Atwater City Council
October 28, 2024

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C. Compaction

1. Utilities Protected in Place: Backfill and compact under and around the utility so that no voids are left.

2. Utilities Reconstructed: Prior to replacement of the utility, backfill the trench and compact to an elevation 1 foot above the top of the ends of the utility. Excavate a cross trench of the proper width for the utility and lay, backfill, and compact.

3. Alternative Construction--Sand-Cement Slurry: Sand-cement slurry consisting of one sack (94 pounds) of portland cement per cubic yard of sand and sufficient moisture for workability may be substituted for other backfill materials to aid in reducing compaction difficulties. Submit specific methods and procedures for the review of the Owner's Representative prior to construction.

D. Thrust Blocks on Waterlines

1. The Contractor's attention is called to thrust blocks for existing waterlines throughout the project whose thrust is in the direction of the new excavation and, therefore, may be affected by the construction. These waterlines are owned and operated by the City of Atwater. Protect thrust blocks in place or shore to resist the thrust by a means approved by the Owner's water division superintendent, and reconstruct. If the thrust blocks are exposed or rendered to be ineffective in the opinion of the Owner's Representative, reconstruct them to bear against firm unexcavated or backfill material.

2. Provide firm support by backfilling that portion of the trench for a distance of 2 feet on each side of the thrust block to be reconstructed from the pipe bedding to the pavement subgrade, with either:
a. Sand-cement slurry (94 pounds of cement per cubic yard). b. The native material compacted to a relative compaction of 95%.

3. Then excavate the backfill material for construction of the thrust block.

4. Test compaction of the backfill material before pouring any concrete thrust block. Use Class C concrete per Section 030500 for reconstruction.

END OF SECTION

TS-30
SECTION 020510 ABANDONMENT OF SANITARY SEWERS
PART 1 G E N E R A L

1.01 SECTION INCLUDES
A. Abandonment in place of existing sanitary sewers and manholes.

1.02 UNIT PRICES
A. Measurement for grout fill and abandonment of existing gravity sewers is on a linear foot basis for each diameter of sewer being abandoned. Measurement will be along the centerline of the sewer from centerline to centerline of manholes.

B. Measurement for grout fill and abandonment of sanitary sewer manholes is by each manhole abandoned in conformance with this Section.

C. Payment will be full compensation for all material, equipment, and labor required for complete abandonment grouting, including air venting, testing, temporary plugs, pipes and all incidentals.

D. No separate payment will be made for plugging and abandoning sanitary sewer. Include the cost of such abandonment in related work.

E. Acceptability of grout material is based on achieving an average strength of at least 75 as defined in Paragraph 2.01B.1.

1.03 DEFINITIONS
A. Abandonment. Sanitary sewer abandonment consists of demolition and removal of any portion of manholes existing within the specified depth of the surface, and the abandonment in place of sewer lines and manholes as specified in this Section.

B. Flowable Fill. Flowable fill (abandonment grout) shall be a controlled low-strength material consisting of a fluid mixture of cement, fly ash, aggregate, water and with admixtures as necessary to provide workable properties. Placement of flowable fill may be by grouting techniques in sewer pipes or other restricted areas, or as mass placement by chutes or tremie methods in unrestricted locations with open access. The long-term hardened strength shall be within a specified range.

C. Ballast. Large aggregate either replaced with the voids subsequently filled with flowable fill injected by grouting method; or in areas with open access, placed individually and sequentially at the same time as the flowable fill placement.

D. Backgrouting. A secondary stage pressure grouting to ensure that voids have been filled within the abandoned sewer. Back grouting will only be required at critical locations indicated on the Drawings or if there is evidence of incomplete flowable fill placements.

1.04 SUBMITTALS
A. Submittals shall conform to requirements of all sections and provisions of these specifications.

B. Flowable fill mix design report:

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1. Flowable fill type and production method.

2. Use of ballast. Provide percentage of ballast of the total placement and size limits for the ballast if fill is intended to be used with ballast.

3. Aggregate gradation of fill. The aggregate gradation of the mix (excluding ballast) shall be used as a pilot curve for quality control during production.

4. Fill mix constituents and proportions including materials by weight and volume, and air content but excluding ballast. Give types and amounts of admixtures including air entrainment or air generating compounds.

5. Fill densities and viscosities, including wet density at the point of placement.

6. Initial time of set.

7. Bleeding and shrinkage.

8. Compressive strength.

C. Technical information for equipment and operational procedures including projected slurry injection rate, grout pressure, method of controlling grout pressure, bulkhead and vent design, and number of stages of grout application.

D. Experience record for the proposed crew, showing a minimum of 5 similar projects using the proposed or similar equipment and methods.

E. At least 60 days prior to commencing any abandonment activities, submit a plan for abandonment, describing the proposed grouting sequence, bypass pumping requirements and plugging, if any, and other information pertinent to completion of the work.

PART 2 P R O D U C T S

2.01 FLOWABLE FILL
A. Design Mix Criteria. Provide design of one or more mixes to meet the design criteria and conditions for placement. Present the information required by Paragraph 1.05B in the mix design report including the following:

1. Cement: ASTM C150 Type I or II. Volume and weight per cubic yard of fill. Provide minimum cement content of 100 pounds per cubic yard.

2. Fly ash: ASTM C618 Class C or F. Volume and weight per cubic yard of fill. Provide minimum Fly ash content of 200 pounds per cubic yard.

3. Potable water: Volume and weight per cubic yard of fill. Amount of water determined by mix design testing.

4. Aggregate gradation: 100 percent passing the 3/8 inch sieve and not more than 10 percent passing the #200 sieve. The mix design report shall define a pilot gradation based on the following sieve sizes 3/8-inch, Nos. 4, 8, 16, 30, 50, 100 and 200. Do not deviate from the pilot gradation by more than +/-10 percentage points for any sieve for the production material.

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5. Aggregate source material: Screened or crushed aggregate, pit or bank run fine gravels or sand, or crushed concrete. If crushed concrete is used, at least 30 percent of natural aggregate shall be added as necessary to provide workability.

6. Admixtures: Use admixtures meeting ASTM C494 and ASTM C107 as needed to improve pumpability, to control time of set, and reduce bleeding.

7. Fluidifier: Use a fluidifier meeting ASTM C397 as necessary to hold the solid constituents in suspension. Add a shrinkage compensator if necessary.

8. Performance additive: Use a flowable fill performance additive, such as Darafill or approved equal, to control the fill properties.

B. Flowable Fill Requirements

1. Unconfined compressive strength: minimum 75 psi at 56 days as determined based on an average of three tests for the same placement. Present at least three acceptable strength tests for the proposed mix design in the mix design report.

2. Placement characteristics: self-leveling.

3. Shrinkage characteristics: non-shrink.

4. Water bleeding for fill to be placed by grouting method in sewers: not to exceed 2 percent according to ASTM C940.

5. Minimum wet density: 90 pounds per cubic foot.

2.02 BALLAST
A. Ballast material: natural rock or concrete pieces with a minimum size equal to at least 10 times the maximum aggregate size of the flowable fill and a maximum size of 24 inches. The maximum dimension shall not be more than 20 percent of the minimum dimension of the space to be filled.

B. Ballast composition: free of any regulated waste material.

PART 3 E X E C U T I O N

3.01 PREPARATION
A. Have fill mix design reports and other submittals required by Paragraph 1.05 accepted by the Owner’s Representative prior to start of placement. Notify the Owner’s Representative at least 24 hours in advance of grouting with flowable fill.

B. Select fill placement equipment and follow procedures with sufficient safety and care to avoid damage to existing underground utilities and structures. Operate equipment at a pressure that will not distort or imperil any portion of the work, new or existing.

C. Clean sewer lines and video with closed circuit television to identify connections, locate obstructions, and assess the condition of the pipe. Locate previously unidentified connections, which have not been redirected and reconnected as a part of this project, and report them to

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the Owner’s Representative. During placement of the fill, compensate for any irregularities in the sewer pipe, such as obstructions, open joints, or broken pipe to ensure no voids remain unfilled.

D. Perform demolition work prior to starting fill placement. Clean placement areas of sewers and manholes of debris that may hinder fill placement. Remove excessive amounts of sludge and any other substances that may degrade performance of the fill. Do not leave sludge or other debris in place if filling more than 2 percent of the placement volume. Dispose of waste material in compliance with Section 01500 - Temporary Facilities and Controls.

E. Remove free water prior to starting fill placement.

3.02 EQUIPMENT
A. Mix flowable fill in an automated batch plant and deliver it to the site in ready-mix trucks.

Performance additives may be added at the placement site if required by mix design.

B. Use concrete or grout pumps capable of continuous delivery at the planned placement rate.

3.03 DEMOLITION OF ABANDONED SANITARY SEWER MANHOLES, AND PIPELINE

STRUCTURES PRIOR TO ABANDONMENT
A. Remove manhole frames and covers and any castings from other existing pipeline structures.

Deliver these castings to the Owner’s storage yard. Alternatively, salvaged castings may be used upon approval by the Owner’s Representative for construction of new manholes on this project.

B. Demolish and remove precast concrete adjustment rings and corner section, or brick and mortar corbel and chimney, or other pipeline structure, to a minimum depth of 4 feet below finished grade. The structure may be removed to a greater depth, but not deeper than 18 inches above the crown of the abandoned sewer.

C. If the adjacent sewer lines are not to be filled, place temporary plugs in each line connecting to the manhole in preparation for filling the manhole.

3.04 INSTALLATION
A. Abandon sewer lines by completely filling the sewer line with flowable fill. Abandon manholes and other structures by filling with flowable fill, together with ballast as applicable, within the depth of structures left in place.

B. Place flowable fill to fill the volume between the manholes as completely as practicable.

Continuously place flowable fill from manhole to manhole with no intermediate pour points, but not exceeding 500 feet in length.

C. Have the filling operation performed by experienced crews with equipment to monitor density of the flowable fill and to control pressure.

D. Temporarily plug sewer lines which are to remain in operation during pouring/pumping to keep the lines free of flowable fill.

E. Pump flowable fill through bulkheads constructed for placement of two 2-inch PVC pipes or use other suitable construction methods to contain the flowable fill in the

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lines to be abandoned. These pipes will act as injection points or vents for placement of flowable fill.

F. Place flowable fill under pressure flow conditions into a properly vented open system until flowable fill emerges from the vent pipes. Pump flowable fill with sufficient pressure to overcome friction and to fill the sewer from the downstream end, to discharge at the upstream end.

G. Inject flowable fill through replaced ballast using grouting equipment and a series of grout pipes discharging at the bottom of the placement, allowing the fill to rise through the ballast effectively filling all voids. Alternatively, sequentially place individual pieces of ballast at the same time as flowable fill is placed. Do not fill with ballast more than 50 percent of the volume at any level to prevent nesting and void formation.

H. Remediate placement of flowable fill which does not fill voids in a sewer, in manhole or other structures, or where voids develop due to excessive shrinkage or bleeding of the fill by using pressure grouting either from inside the sewer or from the surface.

I. Backfill to the surface, above the pipe or structures left in place, with flowable fill in restricted areas, compacted bank run sand in unrestricted areas to be paved or select fill in unrestricted areas outside of pavement. Place and compact backfill, other than flowable fill, in compliance with these specifications.

J. Collect and dispose of excess flowable fill material and other debris in accordance with all sections of these specifications.

3.05 FIELD QUALITY CONTROL
A. Provide batch plant tickets for each truck delivery of flowable fill. Note on the tickets addition of admixtures at the site.

B. Check flow characteristics and workability of the fill as the placement proceeds.

C. Obtain at least three test cylinders for each placement area for determination of 56 day compressive strength and bleeding. The acceptance of the placement will be based on the average strength of the three tests.

D. Record the volume of ballast together with the flowable fill placement for the same space to demonstrate that voids have been filled.

3.06 PROTECTION OF PERSONS AND PROPERTY
A. Provide safe working conditions for employees throughout demolition and removal operations. Observe safety requirements for work below grade.

B. Maintain safe access to adjacent property and buildings. Do not obstruct roadways, sidewalks or passageways adjacent to the work.

END OF SECTION

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SECTION 030500 GENERAL CONCRETE CONSTRUCTION
PART 1 - GENERAL
A. Description
This section includes materials, installation, and testing of formwork, reinforcing steel, joints, concrete, and finishing and curing for general concrete construction.

B. Submittals

1. Submit shop drawings in accordance with the General Provisions and Section 013300.

2. Prepare concrete and mortar mix designs and laboratory 7-day and 28-day compressive tests or submit test reports of 7- and 28-day compressive tests of the mix where the same mix has been used on two previous projects. Prepare mix designs in accordance with ACI 318, Chapters 4 and 5, except as modified herein. Submit mix design in writing for review by the Owner at least 15 days before placing of any concrete.

3. Submit manufacturer's catalog data and descriptive literature for form ties, spreaders, corner formers, form coatings and curing compound, bond breakers, joint sealant, control joints, expansion joint dowels, and epoxy bonding compound.

4. Submit mill test certificates identifying chemical and physical analyses of each load of reinforcing steel delivered.

5. Submit six copies of a report from a testing laboratory verifying that aggregate material contains less than 1% asbestos by weight or volume and conforms to the specified gradations or characteristics.

C. Curb, Gutter, Sidewalk, and Driveway Specifications
This section does not apply to curb, gutter, sidewalk and/or driveways within the street right-of-way.

These items shall instead be “minor concrete”, and constructed per Section 73 of the 2018 Caltrans Standard Specifications. A white pigment shall be added as per City of Atwater Standard Specifications.

PART 2 - MATERIALS
A. Formwork

1. Design forms according to ACI 347.

2. Class I Forms: Use steel forms, ply form, or smooth-surface plywood 3/4-inch minimum thickness for straight surfaces and 1/2-inch minimum thickness for curved surfaces.

3. Class II Forms: Use plywood in good condition, metal, or smooth-planed boards free from large or loose knots with tongue and groove or ship lap joints.

4. Class II forms may be used for exterior concrete surfaces that are 1 foot or more below finished grade. Use Class I forms for all other surfaces.

5. Coat forms with form release agent.

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B. Form Release Agent

1. Form release agent shall effectively prevent absorption of moisture and prevent bond with the concrete. Agent shall be nonstaining and nontoxic after 30 days.

2. For steel forms, release agent shall prevent discoloration of the concrete due to rust.

C. Reinforcing Steel

1. Reinforcement shall conform to ASTM A615 or A706, Grade 60.

2. Fabricate reinforcing in accordance with the current edition of the Manual of Standard Practice, published by the Concrete Reinforcing Steel Institute. Bend reinforcing steel cold.

3. Deliver reinforcing steel to the site bundled and with identifying tags.

D. Welded Wire Reinforcement
Welded wire reinforcement shall conform to ASTM A185.

E. Tie Wire
Tie wire shall be 16 gauge minimum, black, soft annealed.

F. Joint Sealant for Concrete Structures

1. Joint sealant shall be a multipart, gray, nonstaining, nonsagging, gun grade polyurethane sealant, which cures at ambient temperature to a firm, flexible, resilient, tear-resistant rubber.

Sealant shall comply with ASTM C920, Type M, Grade P, Class 25 for horizontal joints and Grade NS, Class 25 for vertical joints and be recommended by the manufacturer for continuous immersion in water.

Characteristic or Parameter Technical Requirements
Pot life 1 to 3 hours
Hardness 35 Shore A, ±5, ASTM D2240
Elongation 650%, ASTM D412
Tensile strength 200 psi, ASTM D412
Peel strength on concrete No adhesion loss at 25 pounds Temperature service range 40°F to 167°F
Immersion in water Continuous

2. Sealant shall be Tremco Vulkem 227 or Sikaflex-2CNS (for Grade NS, Class 25), Sikaflex2CSL of Sika Corporation or Vulkem 245 (for Type M, Grade P, Class 25), or equal.

Troweling of sealants into joints will not be permitted.

G. Premolded Joint Filler
Joint filler shall be preformed, nonextruded type constructed of closed-cell neoprene conforming to ASTM D1752, Type I, as manufactured by W. R. Grace Company of Cambridge, Massachusetts; W. R. Meadows, Inc., Elgin, Illinois; or equal or bituminous-type preformed expansion joint filler conforming to ASTM D994.

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H. Cement

1. Use domestic portland cement that conforms to ASTM C150, Type II.

2. Use only one brand of cement in any individual structure. Use no cement that has become damaged, partially set, lumpy, or caked. Reject the entire contents of the sack or container that contains such cement. Use no salvaged or reclaimed cement.

3. Maximum tricalcium aluminate shall not exceed 8%. The maximum percent alkalies shall not exceed 0.6%.

I. Aggregates
Aggregates shall be natural rock, sand, or crushed natural rock and shall comply with ASTM C33, and shall contain less than 1% asbestos by weight or volume. Aggregates shall be free from any substances that will react with the cement alkalies, as determined by Appendix X-1 of ASTM C33.

J. Concrete Admixtures

1. Class A concrete shall contain an air-entraining admixture conforming to ASTM C260.

Admixtures shall be Master Builders MB-AE 90, Sika AER, or equal. Use in accordance with manufacturer’s recommendations.

2. Do not use any admixture that contains chlorides or other corrosive elements in any concrete. Admixtures shall be nontoxic after 30 days.

K. Grout

1. Nonshrink grout shall conform to ASTM C1107 and to these specifications. Use a nongasliberating type, cement base, premixed product requiring only the addition of water for the required consistency. Grout shall be UPCON High Flow, Master Flow 928, or equal.

Components shall be inorganic.

2. Ordinary type grout (dry pack) shall consist of one part portland cement to two parts sand (100% passing a No. 8 sieve). Add sufficient water to form a damp formable consistency.

3. Epoxy Grout:
a. Mix the two components of epoxy bonding compound in compliance with the manufacturer's instructions.
b. Use sand that is oven dry and meets the following gradation requirements for epoxy grout:

Sieve Size No. 8 No. 50 No. 100
% Passing 100 30 ±15 5 ±5
L. Repair Mortar

1. Mortar used for repair of concrete voids shall be made of the same materials as used for concrete, except that the coarse aggregate shall be omitted or the mortar shall consist of not more than one part cement to two and one-half parts sand by damp loose volume. The quantity of mixing water shall be no more than necessary for handling and placing.

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2. Materials for repair of major defects or cracks shall be in accordance with “Repair of Defects and Cracks” specified in Part 3.

M. Bonding Compound
Epoxy bonding compound shall be Sikadur 32 Hi-Mod, Sika Chemical Corporation, Lyndhurst, New Jersey; Concresive by BASF; Euco Epoxy 452 by Euclid Chemical Company; or equal.

N. Concrete Mix Design

1. Conform to ASTM C94, except as modified by these specifications.

2. Maximum water-cement ratio for Class A concrete = 0.45 by weight.

3. Use classes of concrete as described in the following table:

Class Type of Work
28-Day
Compressive
Strength
(in psi)
Minimum
Cement Content
(in lbs per C.Y.)
A Concrete for all structures
and concrete not otherwise
specified.
4,000 564
B Curbs, gutters, sidewalks,
driveways, and other
miscellaneous concrete for
street improvements,
nonreinforced concrete slabs,
and thrust blocks.
3,000 470

4. Measure slump in accordance with ASTM C143. Slump shall be as follows:

Slab on grade or sections wider (in plan view)
than 2 feet 3 inches maximum
Footings and walls 4 inches maximum
Proportion and produce the concrete to have a maximum slump as shown. A tolerance of up to 1 inch above the indicated maximum shall be allowed for individual batches provided the average for all batches or the most recent 10 batches tested, whichever is fewer, does not exceed the maximum limit. Concrete of lower than usual slump may be used provided it is properly placed and consolidated.

5. Combined aggregate grading shall be as shown in the following table:

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Sieve Sizes
Maximum Aggregate Size
1-1/2" 1" 3/4"
Percent Passing
2" 100 --- ---
1 1/2" 90 - 100 100 ---
1" 50 - 86 90 - 100 100
3/4" 45 - 75 55 - 100 90 - 100
3/8" 38 - 55 45 - 75 60 - 80
No. 4 30 - 45 35 - 60 40 - 60
No. 8 23 - 38 27 - 45 30 - 45
No. 16 17 - 33 20 - 35 20 - 35
No. 30 10 - 22 12 - 25 13 - 23
No. 50 4 - 10 5 - 15 5 - 15
No. 100 1 - 3 1 - 5 0 - 5
No. 200 0 - 2 0 - 2 0 - 2
O. Slurry Cement Backfill

1. Slurry cement backfill shall consist of a fluid, workable mixture of aggregate, cement, and water.

2. Aggregate shall be either:
a. Material selected from excavation, imported material, or a combination thereof, free from organic matter and other deleterious materials and meeting the following gradation:

Sieve Sieves Percentage Passing
1-1/2 inches 100
1 inch 80 to 100
3/4 inch 60 to 100
3/8 inch 50 to 100
No. 4 40 to 80
No. 100 10 to 40
b. Commercial quality concrete sand.

3. Proportion the aggregate, cement, and water by either weight or volume. Include at least 188 pounds of cement per cubic yard produced. The water content shall be sufficient to produce a fluid, workable mix that will flow and can be pumped without segregation of the aggregate while being placed.

4. Thoroughly machine-mix the materials for the slurry cement backfill in pugmill, rotary drum, or other mixer. Continue the mixing until the cement and water are thoroughly dispersed throughout the material. Place slurry cement backfill within one hour after mixing.

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P. Curing Compound

1. Curing compound shall conform to ASTM C309, Type 1, Class A.

2. Curing compound shall be compatible with required finishes and coatings and shall meet the State of California Clean Air Quality Standards which limit the quantity of volatile organic compounds to 350 grams per liter.

PART 3 - EXECUTION
A. Form Tolerances

1. Failure of the forms to produce the specified concrete surface and surface tolerance shall be grounds for rejection of the concrete work. Rejected work shall be repaired or replaced at no additional cost to the Owner.

2. The following table indicates tolerances or allowable variations from dimensions or positions of structural concrete work:

Maximum Tolerance
(inch)
Sleeves and inserts +1/4 -1/4
Projected ends of anchors +1/4 -0.0
Anchor bolt setting +1/4 -1/4
Finished concrete, all locations +1/4 -1/4 in 10 feet max ±1 inch in total length
The planes or axes from which the above tolerances are to be measured shall be as follows:

Sleeves and inserts: Centerline of sleeve or insert.

Projected ends of anchors: Plane perpendicular to the end of the anchor as located in the drawings.

Anchor bolt setting: Centerline of anchor bolt.

Finish concrete: The concrete surface as defined in the drawings.

Where equipment is to be installed, comply with manufacturer's tolerances if more restrictive than above.

B. Form Surface Preparation

1. Clean form surfaces to be in contact with concrete of foreign material prior to installation.

2. Coat form surfaces in contact with concrete with a release agent prior to form installation.

C. Form Reuse
Reuse only forms that provide a uniform surface texture on exposed concrete surfaces. Apply light sanding or other surface treatment between uses for uniform texture. Plug unused tie rod holes with corks, shave flush, and sand the concrete surface side. Do not patch forms other than filling tie rod holes, except in the case of Class II forms. Do not use metal patching discs on Class I forms.

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D. Removal of Forms

1. Forms and shoring for elevated structural slabs or beams shall remain in place until the concrete has reached a compressive strength equal to the specified 28-day compressive strength as determined by test cylinders. Do not remove supports and reshore. The following table indicates the minimum allowable time after the last cast concrete is placed before forms, shoring, or wall bracing may be removed:

Sides of footings and encasements 24 hours
Walls, vertical sides of beams, girders,
columns, and similar members not supporting
loads 48 hours
Slabs, beams, and girders 10 days (forms only)
Shoring for slabs, beams, and girders Until concrete strength reaches specified 28-day strength
Wall bracing Until top or roof slab concrete reaches
specified 28-day strength

2. Do not remove forms from concrete that has been placed with outside air temperature below 50°F without first determining if the concrete has properly set without regard for time. Do not apply heavy loading on green concrete. Immediately after forms are removed, the surface of the concrete shall be carefully examined and any irregularities in the surface shall be repaired and finished as specified.

E. Formed Openings
Openings shall be of sufficient size to permit final alignment of pipes or other items without deflection or offsets of any kind. Allow space for packing where items pass through the wall to ensure watertightness. Provide openings with continuous keyways and water stops. Provide a slight flare to facilitate grouting and the escape of entrained air during grouting. Provide formed openings with reinforcement as indicated in the typical structural details. Reinforcing shall be at least 2 inches clear from the opening surfaces and encased items.

F. Embedded Items
Set anchor bolts and other embedded items accurately and hold securely in position until the concrete is placed and set. Check all special castings, channels, or other metal parts that are to be embedded in the concrete prior to and again after concreting. Check nailing blocks, plugs, and strips necessary for the attachment of trim, finish, and similar work prior to concreting.

G. Beveled Edges (Chamfer)
Form 3/4-inch beveled edges on exposed concrete edges and corners.

H. Site-Mixed Concrete
Conform to ACI 304.

I. Ready-Mixed Concrete
Conform to ASTM C94.

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J. Placing Concrete
Conform to ACI 304.

K. Pumping Concrete
Conform to ACI 304.2R-91.

L. Weather Requirements

1. Conform to ACI 305 for placing during hot weather.

2. Conform to ACI 306 for placing during cold weather.

M. Bonding to Old Concrete
Coat the contact surfaces of structural sections with epoxy bonding compound when noted in the drawings. The method of preparation and application of the bonding compound shall conform to the manufacturer's printed instructions and recommendations for specific application for this project.

N. Backfill Against Walls

1. Do not place backfill against walls until the concrete has obtained a compressive strength equal to the specified 28-day compressive strength. Where backfill is to be placed on both sides of the wall, place the backfill uniformly on both sides.

2. Do not backfill the walls of structures that are laterally restrained or supported by suspended slabs or slabs on grade until the slab is poured and the concrete has reached the specified compressive strength.

O. Placing Slurry Cement Backfill
Place slurry cement backfill in a uniform manner that will prevent voids in, or segregation of, the backfill. Remove foreign material that falls into the excavation or trench. Do not commence backfilling over or place any material over the slurry cement backfill until at least four hours after placing the slurry cement backfill, except that when concrete sand is used for the aggregate and the in-place material is free draining, backfilling may commence as soon as the surface water is gone.

P. Concrete Finishes

1. Complete concrete surfaces in accordance with the following schedule:

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Finish
Designation Area Applied
F-1 Beams, columns, and exterior walls not exposed to view.

F-3 Beams, columns, and walls of structures or buildings exposed to view. Underside of formed floors or slabs.

F-4 Exterior and interior surfaces to be coated.

S-1 Slabs and floors to be covered with concrete or grout.

S-4 Slabs and floors of structures or buildings exposed to view.

S-5 Slabs and floors at slopes greater than 10% and stairs.

E-1 Exposed edges. EXCEPTION: edges normally covered with earth.

E-2 Top of walls, beams, and similar unformed surfaces.

2. Finish F-1: Repair defective concrete, fill depressions deeper than 1/2 inch, and fill tie holes.

Finish F-3: In addition to Finish F-1, remove fins, fill depressions 1/4 inch or deeper, fill depressions and airholes with mortar. Dampen surfaces and then spread a slurry consisting of one part cement and one and one-half parts sand by damp loose volume, over the surface with clean burlap pads or sponge rubber floats. Remove any surplus by scraping and then rubbing with clean burlap.

Finish F-4: Repair defective concrete, remove fins, fill depressions 1/16 inch or deeper, fill tie holes, remove mortar spatter, and remove bulges higher than 1/16 inch.

Finish S-1: Screed to grade without special finish.

Finish S-4: Steel trowel finish without local depressions or high points and apply a light hairbroom finish. Do not use stiff bristle brooms or brushes. Leave hair-broom lines parallel to the direction of slab drainage.

Finish S-5: Steel trowel finish without local depressions or high points. Apply a stiff bristle broom finish. Leave broom lines parallel to the direction of slope drainage.

Finish E-1: Provide chamfer or beveled edges.

Finish E-2: Strike smooth and float to an F-3 or F-4 finish.

Q. Curing Concrete

1. Conform to ACI 308.

2. Water cure with burlap mats unless optional curing methods are permitted.

3. Do not use curing compound on surfaces that are to be coated.

4. It is the responsibility of the Contractor to select the appropriate curing method in response to climatical and/or site conditions occurring at the time of concrete placement. Take appropriate measures as described in ACI 305 and 306 for protecting and curing concrete during hot and cold weather.

R. Repair of Defects and Cracks

1. Do not repair defects until concrete has been evaluated by the Owner's Representative.

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2. Surface Defects:
a. Repair surface defects that are smaller than 1 foot across in any direction and are less than 1/2 inch in depth.
b. Repair by removing the honeycombed and other defective concrete down to sound concrete, cut or grind edges perpendicular to the surface and at least 3/8 inch deep, abrasive clean and thoroughly dampen the surface, work into the surface an epoxy bonding agent, and fill the hole with one part cement to one part fine sand. Match the finish on the adjacent concrete, and cure as specified.

3. Severe Defects:
a. Repair severe defects that are larger than surface defects but do not appear to affect the structural integrity of the structure.
b. Repair by removing the honeycombed and other defective concrete down to sound concrete, make edges of the repair area perpendicular to the surface, as required above, sandblast the sound concrete surface, coat the exposed surfaces with epoxy bonding compound, place nonshrink grout, match the finish on the adjacent concrete, and cure as specified.

4. Repair minor cracks in concrete structures that are wider than 1/10 inch by cutting out a square edged and uniformly aligned joint 3/8 inch wide by 3/4 inch deep, preparing exposed surfaces of the joint, priming the joint, and applying polyurethane joint sealant.

5. If the cracks are major or affect the hydraulic capacity or function of the element, the Owner's Representative may require the concrete to be repaired by epoxy injection.

6. Major Defects and Cracks: If the defects affect the structural integrity of the structure or if patching does not satisfactorily restore quality and appearance to the surface, the Owner’s Representative may require the concrete to be removed and replaced, complete.

S. Concrete Tests

1. Concrete quality testing will be performed on the concrete by the Owner as follows:
a. Frequency of Sampling: Cast four concrete test cylinders from each 50 cubic yards, or fraction thereof, of each class of concrete placed in any one day. Sampling and curing of cylinders shall conform to ASTM C31.
b. Strength Testing: Test cylinders in accordance with ASTM C39. Test one cylinder at 7 days for information; test two cylinders at 28 days for acceptance; and hold one cylinder for verification. Strength acceptance will be based on the average of the strengths of the two cylinders tested at 28 days. If one cylinder of a 28-day test manifests evidence of improper sampling, molding, or testing, other than low strength, discard it and use the fourth cylinder for the test result. c. Determine concrete slump by ASTM C143 with each strength test sampling and as required to establish consistency.
d. Determine air content of the concrete using ASTM C231 to verify the percentage of air in the concrete immediately prior to depositing in forms. e. Concrete acceptance shall be based on the requirements of ACI 318.

2. To facilitate concrete sampling and testing, the Contractor shall:

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a. Furnish labor to assist the Owner in obtaining and handling samples at the project site.
b. Advise the Owner in advance of concrete placing operations to allow for scheduling and completion of quality testing.
c. Provide and maintain facilities for safe storage and proper curing of concrete test specimens on the project site, as required by ASTM C31.

END OF SECTION

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SECTION 033050 EPOXY COATING OF WET WELL STRUCTURE
PART 1: GENERAL

1.1 Description
A. This section covers epoxy coating to be applied to the following interior surfaces of the reinforced concrete wet well structure components:

1. Wet well wall

2. Underside of top slab of wet well (ceiling)

3. Top surface of bottom slab of wet well (floor)

1.2 General
A. The manufacturer of the epoxy coating shall furnish an affidavit attesting to the successful and completely satisfactory use of the materials as a coating for the service intended, before shipment thereof.

B. The accepted epoxy coating manufacturer’s standard printed specifications covering the installation of the coating in concrete structures shall be considered as being incorporated herein, and all work for and in connection with said plastic lining installation shall be strictly in accordance therewith. Such manufacturer’s specifications shall include and cover application of epoxy coating, including preparation of surfaces and joints, and miscellaneous requirements covering transportation, handling, storing, cleanup, and inspection; and necessary precautions with respect to ventilation and protection of workmen.

C. All work for and in connection with the installation of epoxy coating and the preparation of surfaces shall be performed by personnel certified by, or have their training approved and certified by, the coating and repair product(s) manufacturer(s) for the handling, mixing, application and inspection of the product(s) to be used as specified herein. Written certification of such training shall be submitted by the coating and repair product manufacturer(s) and shall include the individual contractor or subcontractor personnel to be employed on the project.

D. Contractor shall utilize equipment for the application of the coating and repair product(s) which has been approved by the product manufacturer; and Contractor shall have received training on the operation and maintenance of said equipment from the product manufacturer. Written certification of such approval(s) and training shall be submitted by the coating and repair product manufacturer(s).

1.3 Submittals
A. Complete specifications and data covering the materials to be furnished and detailed drawings covering the installation thereof, including but not limited to the application of epoxy coating to the wet well structure, and the arrangement and sealing of the butt and corner joints, shall be submitted in accordance with the procedure set forth in the submittals section.

B. The Contractor shall furnish data certified by the pipe manufacturers that the epoxy coating is of the materials specified. No epoxy coated wet well section, pipe, or fitting will be accepted for use in the work on this project until certificates have been submitted and approved by the Engineer.

C. Technical data sheet on each product used, including ASTM test results indicating the product conforms to and is suitable for its intended use per these specifications.

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D. Applicator Qualifications:

1. Manufacturer certification that the Applicator has been trained in the handling, mixing and application of the products to be used.

2. Certification that the equipment to be used for applying the products has been approved by the protective coating manufacturer and Applicator personnel have been trained and certified for proper use of the equipment.

3. Written document providing three (3) years of experience and five (5) recent references of Applicator indicating successful application of a 100% solids highbuild solvent free coating by spray application.

4. Applicator must provide written documentation of having installed a minimum of 50,000 square feet of plural component spray applied epoxy coating the same or similar to that specified within the last two (2) years.

PART 2: PRODUCTS

2.1 Materials
A. All primer and epoxy coating furnished shall be white in color and conform to the following:

1. Raven 175 Primer or approved equal.

2. Raven 405 Series Epoxy or approved equal.

PART 3: EXECUTION

3.1 Installation
A. Wet Well: Where designated in the Plans or in the contract documents, wet well shall be provided with interior of epoxy coating at 125 mils dry film thickness. The entire circumference of the wet well shall be covered with the epoxy coating.

B. All work in connection with the application of the epoxy coating in the wet well shall be performed in strict conformity with the epoxy coating manufacturer’s recommendation.

C. Ceiling of Wet Well: Epoxy coating for the ceiling surfaces shall be properly applied, and joints sealed in accordance with the requirements specified above for wall surfaces, and other requirements as may be required to conform to the manufacturer’s accepted instructions and recommendations.

D. Repairs: All repairs to damaged portions of the epoxy coating shall be made before final acceptance of the work, in conformity with the epoxy coating manufacturer’s instructions and recommendations. Workmanship shall be neat and of the highest quality.

E. Testing: All surfaces covered with the epoxy coating shall be tested with an acceptable electrical holiday or flaw detector after installation and any imperfections discovered thereby shall be repaired as specified above.

F. Temperature of the surface to be coated should be maintained between 40 and 120°F.

G. Prior to the application of epoxy coating, the Contractor shall prepare surface and apply Raven 175 Primer or approved equal, to all areas to receive epoxy coating per the manufactures recommendation.

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3.2 Field Joints in Epoxy Coating
A. The joint between epoxy coated wet well sections shall be prepared in the following manner before making the lining joints:

1. The inside joint shall be filled and carefully painted with cement mortar for the full circumference of the pipe or manhole section. The mortar shall not, at any point, extend into the pipe or manhole section beyond a straight line connecting the surfaces of the adjacent pipe or manhole sections.

2. No joint shall be made until after the trench has been backfilled. Wet well joints must be dry before joints are coated. All mortar and other foreign material shall be removed from coating surfaces adjacent to the pipe or manhole joint.

B. All joints, pipe seals, steps or other penetrations shall be sealed against inflow, infiltration and exfiltration and be adequately filled, smoothed and contoured to promote monolithic coating application.

3.3 Testing and Repairing
A. Coating system thickness shall be inspected to ensure compliance with the specifications herein.

1. During application a wet film thickness gauge, meeting ASTM D4414 - Standard Practice for Measurement of Wet Film Thickness of Organic Coatings by Notched Gages, shall be used. Measurements shall be taken, documented, and attested to by Contractor for submission to Owner.

2. After the coating product(s) have cured in accordance with manufacturer recommendations, coating system thickness may be measured according to SSPC-PA 9 - Measurement of Dry Coating Thickness on Cementitious Substrates Using Ultrasonic Gages.

B. High voltage holiday detection for coating systems installed in corrosive environments, when it can be safely and effectively employed, shall be performed to ensure monolithic protection of the substrate. After the coating product(s) have cured in accordance with manufacturer recommendations, all surfaces shall be inspected for holidays in accordance with NACE RPO 188-99 Discontinuity (Holiday) Testing of New Protective Coatings on Conductive Substrates or ASTM D4787 Standard Practice for Continuity Verification of Liquid or Sheet Linings Applied to Concrete Substrates. All detected holidays shall be marked and repaired according to the coating product(s) manufacturer’s recommendations.

1. Test voltage shall be a minimum of 100 volts per mil of coating system thickness.

2. Detection of a known or induced holiday in the coating product shall be confirmed to ensure proper operation of the test unit.

3. All areas repaired shall be retested following cure of the repair material(s).

4. In instances where high voltage holiday detection is not feasible a close visual inspection shall be conducted and all possible holidays shall be marked and repaired as described above.

5. Documentation of areas tested, equipment employed, results, and repairs made shall be submitted to the Owner/Engineer by Contractor.

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C. Adhesion of the coating system to the substrate shall be confirmed in a minimum of once every 1000 square feet of coated area. After the coating product(s) have cured in accordance with manufacturer recommendations, testing shall be conducted in accordance with ASTM D7234 Pull-Off Adhesion Strength of Coatings on Concrete Using Portable Pull-Off Adhesion Testers. Owner’s representative shall select the areas to be tested.

1. A minimum of three 20 mm dollies shall be affixed to the coated surface at random locations within each 1000 square foot area or as otherwise agreed upon.

2. The adhesive used to attach the dollies to the coating shall be rapid setting with tensile strengths in excess of at least twice the anticipated failure point (generally 1000 psi) and permitted to cure in accordance with manufacturer recommendations.

The coating and dollies shall be adequately cleaned and prepared to receive the adhesive. Failure of the dolly adhesive shall be deemed a non-test and require retesting.

3. Prior to performing the pull test, the coating shall be scored to the substrate, or within 10 mils of the substrate surface, by mechanical means without disturbing the dolly or coating system bond within the test area.

4. Two of the three adhesion pulls in each test area shall exceed 200 psi and shall include substrate adhered to the back of the dolly or no visual signs of the coating product in the test hole. Pulls tests with results between 150 and 200 psi may be acceptable if more than 50 percent of the substrate in the test area is adhered to the dolly.

5. Should a structure, or area, fail to achieve two successful pulls as described above, additional testing shall be performed at the discretion of the Owner or Project Engineer. Any areas detected to have inadequate bond strength shall be evaluated by the Project Engineer. Further bond tests may be performed in that area to determine the extent of potentially deficient bonded area and repairs shall be made by Contractor.

6. All adhesion testing shall be performed by qualified personnel using calibrated equipment as specified by the applicable ASTM standard(s).

7. All adhesion testing shall be documented and submitted in a consistent format detailing location, test values, description of the failure point/mode, scoring method employed, adhesive used, cure time of coating and adhesive and other data as deemed necessary by the owner/engineer.

8. All adhesion test locations shall be repaired by the Contractor at no cost to the Owner.

D. Visual inspection shall be made by the Project Engineer and/or Inspector. Any deficiencies in the finished coating affecting the performance of the coating system or the operational functionality of the structure shall be marked and repaired according to the recommendations of the coating product(s) manufacturer.

E. The municipal sewer system may be returned to full operational service as soon as the final inspection has taken place and all coating materials have been adequately cured according to the coating product(s) manufacturer’s recommendations.

END OF SECTION

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SECTION 034210 PRECAST CIRCULAR CONCRETE MANHOLES
PART 1 - GENERAL
A. Description
This section includes design, materials, testing, and installation of precast circular concrete manholes.

B. Related Work Specified Elsewhere

1. General Concrete Construction: 030500.

2. Trenching, Backfilling, and Compacting: 312316.

3. Leakage and Infiltration Testing: 330130.

C. Submittals

1. Submit shop drawings in accordance with the General Provisions and Section 013300.

2. Submit manufacturer's catalog data on precast concrete manholes, frames, and covers.

Show dimensions and materials of construction by ASTM reference and grade. Show lettering on manhole covers.

PART 2 - MATERIALS
A. Precast Circular Concrete Manholes

1. Precast circular concrete manholes shall comply with City of Atwater Standard Plan S-1, SD2, and the requirements of these specifications.

2. Precast circular concrete manholes shall comply with ASTM C478, except that the wall thickness shall be 5 inches minimum. Minimum manhole diameter shall be 48 inches. Design manholes for the depths shown in the drawings, assuming a soil density of 130 pounds per cubic foot.

3. Minimum allowable steel shall be hoops of No. 4 wire cast into each unit.

4. Precast top sections shall be concentric cone except where shown otherwise in the drawings.

5. Cast manholes without ladder rungs.

B. Concrete

1. Cement for manholes and precast bases shall conform to ASTM C150 and C595, Type II.

2. Concrete used in pouring the manhole base shall be Class A per Section 030500.

C. Manhole Frames and Covers

1. Sewer manhole frames and covers shall be as indicated in the City Standard Plan, with the type of utility cast into the cover (e.g. “Storm” or “Sewer”).

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2. The covers shall seat firmly into the frame without rocking.

D. Pipe Connections for Manholes
Provide resilient grout in connectors between the manhole and piping in accordance with ASTM C923, ASTM C1244, and ASTM 1478. Connector is extruded from a Polyisoprene/SBR blend compound. Pipe connections shall be WATER-STOP (A-Lok Products, Inc.), or equal.

E. Crushed Rock for Manhole Base
Crushed rock shall comply with Section 312316. Crushed rock shall be the same material as the pipe bedding. If rock is not used for the pipe bedding, use 3/4–inch crushed rock for the manhole base.

PART 3 - EXECUTION
A. Manhole Base

1. Excavate for the manhole and install a crushed rock base, 12 inches thick, per Section 312316. Crushed rock base material shall extend 1 foot beyond the outside edge of the concrete manhole base. Compact to 90% relative density.

2. Form and pour concrete bases as one monolithic pour. For sewer manholes, form the portion above the invert elevation of the sewer pipe to provide a smooth channel section. Channels shall vary uniformly in size and shape from inlet to outlet.

B. Installing Manholes

1. Set each precast concrete manhole unit plumb on a bed of mortar to make a watertight joint at least 1/2-inch-thick with the concrete base or with the preceding unit. Point the inside joint and wipe off the excess mortar. Secure the manhole frame to the grade ring with grout and cement mortar fillet. Backfill, compact, and replace pavement.

2. Assemble units so that the cover conforms to the elevation determined by the manhole location as follows:
a. In Paved Areas: Top of cover shall be flush with the paving surface. b. In Shoulder Areas: Top of cover shall be flush with existing surface where it is in traveled way of shoulder and 0.1 foot above existing surface where outside limits of traveled way but not in the existing roadside ditch.
c. In Roadside Ditch or Unpaved Open Areas: Top of cover shall be 18 inches above the ground surface.

C. Sealing and Grouting of Manhole Sections
Clean ends of precast sections of foreign materials. Place a bed of grout in and completely around the groove of the lower section. Set next section in place. Fill remaining interior and exterior joint cavity completely with mortar of the proper consistency. Trowel interior and exterior surfaces smooth on tongue-and-groove joints. Wipe off any excess grout from the interior and exterior of the joints. Prevent mortar from drying out by applying curing compound or comparable method. Chip out and replace cracked or defective mortar. Completed manhole shall be rigid and watertight.

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D. Flexible Pipe Joints at Manhole Walls
Provide two 2-foot-long pipe sections from manhole walls. Lay pipes entering manhole base penetrations and resilient connections on compacted base.

E. Leakage Testing of Sewer Manholes
Test manholes for leakage along with the pipe.

F. Backfill Around Manholes
Backfill and compact around the manholes using native material, per Section 312316 and the pipe specification.

END OF SECTION

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SECTION 034211 PRECAST CONCRETE VAULTS
PART 1 - GENERAL
A. The Requirement

1. Furnish and install all precast vaults, complete with blockouts, hatches, coatings, linings, and any other appurtenances, as shown on the plans and specified herein, in accordance with the requirements of the Contract Documents.

B. Related work Specified Elsewhere

1. Section 310000, Earthwork
C. Reference Specifications, Codes and Standards

1. Commercial Standards:

1. ASTM A48 Specification for Gray Iron Castings.

2. ASTM C150 Specification for Portland Cement.

3. ASTM C857 Minimum Structural Design Loading for Underground Precast Concrete Utility Structures

4. ASTM C858 Underground Precast Concrete Utility Structures

5. ASTM C891 Installation of Underground Precast Concrete Utility Structures

6. Federal Spec Sealing Compound, Preformed Plastic, for Expansion SS-S-210: Joints and Pipe Joints.

D. Contractor Submittals

1. Drawings: Furnish complete shop drawings for all pre-cast vaults and appurtenances including design criteria, reinforcing steel provisions and locations, concrete cover, layout of all inserts, attachments, and openings, location and type of joints.

2. Product Data: Precast utility vault, hardware, minimum concrete 28-day compressive strength, cement certification, and vault hatches with metal safety grating.

3. Submit shop drawings for access hatches in accordance with the General Provisions and Section 013300.

E. Quality Assurance

1. Provide products of a manufacturer who has been regularly engaged in the design and manufacture of the product.

2. Demonstrate to the satisfaction of the City that the quality is equal to the product made by those manufacturers specifically named herein, if an alternate product manufacturer is proposed.

PART 2 - PRODUCTS
A. Design Criteria

1. General: ASTM C857, C858, and also:

2. Vault Design Requirements
a. Size - Vault dimensions shall be as required by Contract Drawings. b. Material - Concrete used for manufactured vaults shall have a minimum 4,000 psi compressive strength.

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c. Covers – When leveling bolts are used to set the vault top sections, the Contractor shall ensure that the load on the vault will be transferred through the mortar to the vaults, and will not be carried by the leveling bolts.
d. Loading - Where vaults are in paved areas, they shall be designed for H-20 traffic loading. In other areas, they shall be designed for a vertical live load of 300 psf.

Lateral loads on all vault walls shall be as follows:

Static: 85 x H (PSF) triangular equivalent fluid pressure plus surcharge of 100 PSF in areas designated for vehicular
traffic.

Seismic: For walls unrestrained from movement at the top, apply a load of 5.5 x H2 pounds per foot of wall length. The
resultant is located at 0.6 x H from the bottom of the wall. (H = depth of soil to vault bottom).

For walls restrained from movement at the top, apply a
load of 20 x H2 pounds per foot of wall length. The
resultant is located at 0.6 x H from the bottom of the wall. (H = depth of soil to vault bottom).

Groundwater: All vaults shall be designed to resist uplift, with a factor of safety of 1.5, from groundwater at finished grade. Buoyant weight of soil shall be assumed to be 50 pcf.

Seismic Loading: Vaults shall be designed to meet the seismic loading requirements of the 2007 California Building Code.

Mechanical Details: Piping, electrical, and other details shall be as required by the Contract Documents.

B. Precast Sections

1. General
a. Cement: ASTM C150, Type II, low alkali.
b. Vault openings: Size to support the cover or hatch.
c. Lifting eyes: Provide for each section.
d. Dimensions: Provide vault that meets minimum inside dimensions as shown on the Drawings.
e. Manufacturers:

1. Utility Vault Company

2. Associated Concrete Products, Inc.

3. Brooks Products, Inc.

4. Teichert Precast

5. Jensen Precast

6. or equal.

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C. Sealant Gaskets

1. Type: Preformed, continuous rope form plastic material, protected by removable two-piece wrapper.

2. Sealing Compound: Reinforced hydrocarbon resins blended with plasticizing compounds and reinforced with inert mineral filler. No solvents, irritating fumes or obnoxious odors.

3. Adhesive and Cohesive Strength: Not dependent on oxidizing, evaporating, or chemical action.

4. Conform to Federal Specification SS-S-210.

5. Provide: QUIKSEAL as supplied by Associated Concrete Products; RAM-NEK as manufactured by K. T. Snyder Company, Inc.; or equal.

D. Source Quality Control

1. Precast Sections:
a. Verify concrete compressive strength test results are satisfactory for the sections supplied.
b. State the curing method. Identify the start and end dates for the sections supplied.

E. Access Hatch

1. Access Hatch: The W1S (single leaf) series access frames and covers as manufactured by Halliday Products, Inc. (Series W1S Access Door Channel Frame With Spring Assist), or approved equal in accordance with the requirements of the Drawings. a. Provide clear opening and number of door leafs per Drawings. b. Cover Leaf: 1/4" (7mm) aluminum diamond plate.
c. Channel Frame: 1/4" (7mm) aluminum with continuous anchor flange and a 1-1/2 inch (38mm) drainage coupling located in the front left corner of frame. d. Frame Coating: bituminous coating where in contact with concrete. e. Load Rating: 300 lbs. psf (1464 kg. psm) uniform live load. f. Locking System: Type 316 stainless steel slam lock with removable key. g. Cover equipped with the following stainless steel features: spring assists, T-316 heavy duty hinges, T-316 tamper proof attaching hardware, automatic T-316 hold open arm with aluminum latch.
h. Built-in neoprene gasket to limit the transmission of odors. The gasket shall limit air infiltration to less than 1 cfm. per lineal foot of opening perimeter with a pressure differential equal to a 1" column of water.
i. Guarantee: Access covers shall carry a lifetime guarantee against defects in material and/or workmanship.

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PART 3 - EXECUTION
A. Installation

1. General: ASTM C891 and also:
a. Compact subgrade to 90% relative density for 6-inch minimum depth. b. Provide a 12-inch layer of Class 2, 3/4-inch maximum aggregate base under the base slab and compact to 95% relative density prior to placement. c. Apply primer to joint surfaces in accordance with manufacturer's instructions.

Make all joints watertight with sealant gaskets.
d. Backfill around the concrete vaults with Structural Backfill material per Section 02200. Compact the backfill material to 95% relative density from the base up to final finish grade, over an area defined as being within a distance of 4 feet from the exterior walls of the vault.
e. Accurately locate and place the concrete vault 1/8-inch vertical elevation in paved areas and to 1/2-inch in other areas. Coordinate the activities of all trades so that this tolerance is achieved.
f. Embed hatch and access frames in vault decks to obtain a solid fit, without rattling under load.
g. Embed sleeves for pipe penetrations in accordance with the Drawings to obtain concentric penetration of pipe through vault wall.

B. Field Quality Control

1. Verify all precast sections are continuously sealed with gaskets.

2. Verify vault hatches and covers fit quietly in the frames.

END OF SECTION

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SECTION 113110 FACTORY-BUILT BASE MOUNTED PUMP STATION
PART 1 - GENERAL

1.01 Work under this section includes, but is not limited to, furnishing and installing a factory built triplex pump station as indicated on the project drawings, herein specified, as necessary for proper and complete performance.

1.02 REFERENCES
A. Publications listed below form part of this specification to extent referenced in the text by basic designation only. Consult latest edition of publication unless otherwise noted.

1. American National Std. Institute (ANSI) / American Water Works Assoc. (AWWA) a. ANSI B16.1 Cast iron pipe flanges and flanged fittings. b. ANSI/AWWA C115/A21.51 Cast/ductile iron pipe with threaded flanges. c. ANSI 253.1 Safety Color Code for Marking Physical Hazards. d. ANSI B40.1 Gages, Pressure and Vacuum.
e. AWWA C508 Single Swing Check Valves.

2. American Society for Testing and Materials (ASTM)
a. ASTM A48 Gray Iron Castings.
b. ASTM A126 Valves, Flanges, and Pipe Fittings.
c. ASTM A307 Carbon Steel Bolts and Studs.
d. ASTM A36 Structural Steel.

3. Institute of Electrical and Electronics Engineers (IEEE) a. ANSI/IEEE Std 100 Standard Dictionary of Electrical Terms. b. ANSI/IEEE Std 112 Test Procedure for Polyphase Induction Motors. c. IEEE Std 242 Protection of Industrial and Control Power Systems.

4. National Electric Code (NEC) / National Electrical Manufacturers Assoc. (NEMA) a. NEC National Electric Code.
b. NEC 701 National Electric Code article 701.
c. NEMA Std MG1 Motors and Generators.

5. Miscellaneous References
a. Ten-State Standards Recommended Standards for Sewage Works. b. Hydraulic Institute Std for Centrifugal, Rotary and Reciprocating Pumps. c. NMTBA and JIC Std National Machine Tool Builders Association and Joint Industrial Council Standards
d. ISO 9001International Organization for Standardization.

1.03 SYSTEM DESCRIPTION
A. Contractor shall furnish and install one factory built base mounted, automatic pump station. The station shall be complete with all equipment specified herein, factory assembled on a common steel base.

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B. Principal items of equipment shall include three horizontal, self priming, centrifugal sewage pumps, V-belt drives, motors, piping, valves, motor control panel, automatic liquid level control system, and integral wiring.

C. Factory built pump station design, including materials of construction, pump features, valves and piping, and motor controls shall be in accordance with requirements listed under PART 2 - PRODUCTS of this section.

1.04 PERFORMANCE CRITERIA
A. Pumps must be designed to handle raw, unscreened, domestic sanitary sewage. Pumps shall have ___" suction connection, and ___" discharge connection. Each pump shall be selected to perform under following operating conditions:

1. Simplex Parallel ___SIMPLEX_____

2. Capacity (GPM) _____1000________

3. Total Dynamic Head (FT) _____33_________

4. Total Dynamic Suction Lift(FT) _TBD by Others___

5. Maximum Repriming Lift (FT) ______25________

6. Minimum TDH (FT) ______10________

7. Maximum TDH (FT) ______128_______

8. Maximum Static Suction Lift (FT) ______25________

9. Total Discharge Static Head (FT) _ TBD by Others __

10. Minimum Submergence Depth (FT) _______1.5______
B. Site power furnished to pump station shall be _3__ phase, _60__ hertz, _230__ volts, _4__ wire, maintained within industry standards. The available fault current provided at the pump station control panel is __ TBD by Others ___ kA rms symmetrical. Voltage tolerance shall be plus or minus 10 percent. Phase-to-phase unbalance shall not exceed 1% average voltage as set forth in NEMA Standard MG-1. Control voltage shall not exceed 132 volts.

1.05 SUBMITTALS
A. Product Data

1. Prior to fabrication, pump station manufacturer shall submit _5_ copies of submittal data for review and approval.

2. Submittal shall include shop drawings, electrical ladder logic drawings, and support data as follows: Catalog cuts sheets reflecting characteristics for major items of equipment, materials of construction, major dimensions, motor and v-belt drive data, pump characteristic curves showing the design duty point capacity (GPM), head (FT), net positive suction head required (NPSHr), and hydraulic brake horsepower (BHP). Electrical components used in the motor branch and liquid level control shall be fully described.

B. Shop drawings shall provide layout of mechanical equipment and anchor bolt locations for station.

Contractor piping connections and station access clearances shall be dimensioned relative to the station centerline. The electrical ladder logic drawings shall illustrate motor branch and liquid level control circuits to extent necessary to validate function and integration of circuits to form a complete working system.

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C. Operations Maintenance Manuals

1. Installation shall be in accordance with written instructions provided by the pump station manufacturer. Comprehensive instructions supplied at time of shipment shall enable personnel to properly operate and maintain all equipment supplied. Content and instructions shall assume operating personnel are familiar with pumps, motors, piping and valves, but lack experience on exact equipment supplied.

2. Documentation shall be specific to the pump station supplied and collated in functional sections. Each section shall combine to form a complete system manual covering all aspects of equipment supplied by the station manufacturer. Support data for any equipment supplied by others, even if mounted or included in overall station design, shall be provided by those supplying the equipment. Instructions shall include the following as a minimum:
a. Functional description of each major component, complete with operating instructions. b. Instructions for operating pumps and pump controls in all modes of operation. c. Calibration and adjustment of equipment for initial start-up, replacement of level control components, or as required for routine maintenance.
d. Support data for commercially available components not produced by the station manufacturer, but supplied in accordance with the specifications, shall be supported by literature from the prime manufacturer and incorporated as appendices. e. Electrical schematic diagram of the pump station circuits shall be in accordance with NMTBA and JIC standards. Schematics shall illustrate, to the extent of authorized repair, pump motor branch, control and alarm system circuits including interconnections. Wire numbers and legend symbols shall be shown. Schematic diagrams for individual components, not normally repairable by the station operator, need not be included. Details for such parts shall not be substituted for an overall system schematic. Partial schematics, block diagrams, and simplified schematics shall not be provided in lieu of an overall system diagram.
f. Mechanical layout drawing of the pump station and components, prepared in accordance with good commercial practice, shall provide installation dimensions and location of all pumps, motors, valves and piping.

3. Operation and maintenance instructions which rely on vendor cut-sheets and literature which include general configurations, or require operating personnel to selectively read portions of the manual shall not be acceptable. Operation and maintenance instructions must be specific to equipment supplied in accordance with these specifications.

1.06 QUALITY ASSURANCE
A. The pumps and pump station manufacturer must be ISO 9001:2000 revision certified, with scope of registration including design control and service after sales activities.

B. Upon request from the engineer, the pump station manufacturer shall prove financial stability and ability to produce the station within the specified delivery schedules. Evidence of facilities,

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equipment and expertise shall demonstrate the manufacturer's commitment to long term customer service and product support.

C. Manufacturer must show proof of original product design and testing. Products violating intellectual property regulations shall not be allowed, as they may violate international law and expose the user or engineer to unintended liabilities. “Reverse-engineered” products fabricated to substantially duplicate the design of original product shall not be allowed, as they may contain substantial differences in tolerances and material applications addressed in the original design, which may contribute to product failure.

D. The term “pump manufacturer” or “pump station manufacturer” shall be defined as the entity which designs, machines, assembles, hydraulically tests and warranties the final product. Any entity that does not meet this definition will not be considered a “pump manufacturer” or “pump station manufacturer” and is not an acceptable supplier. For quality control reasons and future pump and parts availability, all major castings of the pump shall be sourced and machined in North America.

E. Pump Performance Certifications

1. ERADICATOR™ or approved equal – Solids Management System designed for management of sanitary wipes, plastic bags, feathers, hair, sludge, and all other types of stringy solids.

2. Solids Handling Capability
a. All internal passages, impeller vanes, and recirculation ports shall pass a _2.5_" spherical solid. Smaller internal passages that create a maintenance nuisance or interfere with priming and pump performance shall not be permitted. Upon request from the engineer, manufacturer’s certified drawings showing size and location of the recirculation port(s) shall be submitted for approval.

F. Reprime Performance

1. Consideration shall be given to the sanitary sewage service anticipated, in which debris is expected to lodge between the suction check valve and its seat, resulting in the loss of the pump suction leg, and siphoning of liquid from the pump casing to the approximate centerline of the impeller. Such occurrence shall be considered normal, and the pump must be capable of automatic, unattended operation with an air release line installed.

2. During unattended operation, the pump shall retain adequate liquid in the casing to insure automatic repriming while operating at its rated speed in a completely open system. The need for a suction check valve or external priming device shall not be required.

3. Pump must reprime _25__ vertical ft. at the specified speed and impeller diameter. Reprime lift is defined as the static height of the pump suction above the liquid, while operating with only one-half of the liquid remaining in the pump casing. The pump must reprime and deliver full capacity within five minutes after the pump is energized in the reprime condition. Reprime performance must be confirmed with the following test set-up:
a. A check valve to be installed downstream from the pump discharge flange. The check valve size shall be equal (or greater than) the pump discharge diameter.

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b. A length of air release pipe shall be installed between pump and the discharge check valve.

This line shall be open to atmosphere at all times duplicating the air displacement rate anticipated at a typical pump station fitted with an air release valve. c. The pump suction check valve shall be removed. No restrictions in the pump or suction piping will prevent the siphon drop of the suction leg. Suction pipe configuration for reprime test shall incorporate a 2 feet minimum horizontal run, a 90 degree elbow and vertical run at the specified lift. Pipe size shall be equal to the pump suction diameter. d. Impeller clearances shall be set as recommended in the pump service manual. e. Repeatability of performance shall be demonstrated by testing five consecutive reprime cycles. Full pump capacity (flow) shall be achieved within five minutes during each cycle. f. Liquid to be used for reprime test shall be water.

4. Upon request from the engineer, certified reprime performance test results, prepared by the manufacturer, and certified by a registered professional engineer, shall be submitted for approval prior to shipment.

1.07 MANUFACTURER'S WARRANTY
A. The pump station manufacturer shall warrant all equipment to be of quality construction, free of defects in material and workmanship. A written warranty shall include specific details described below.

1. In addition to defects in material and workmanship, fiberglass reinforced polyester station enclosures (where applicable) are warranted for sixty (60) months to be resistant to rust, corrosion, corrosive soils, effects of airborne contamination or physical failures occurring in normal service for the period of the pump station warranty.

2. All other equipment, apparatus, and parts furnished shall be warranted for sixty (60) months, excepting only those items that are normally consumed in service, such as light bulbs, oils, grease, packing, gaskets, O-rings, etc. The pump station manufacturer shall be solely responsible for warranty of the station and all components.

B. Components failing to perform as specified by the engineer, or as represented by the manufacturer, or as proven defective in service during the warranty period, shall be replaced, repaired, or satisfactorily modified by the manufacturer.

C. It is not intended that the station manufacturer assume liability for consequential damages or contingent liabilities arising from failure of any vendor supplied product or part which fails to properly operate, however caused. Consequential damages resulting from defects in design, or delays in delivery are also beyond the manufacturer's scope of liability.

D. Equipment supplied by others and incorporated into a pump station or enclosure is not covered by this limited warranty. Any warranty applicable to equipment selected or supplied by others will be limited solely to the warranty, if any, provided by the manufacturer of the equipment.

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E. This limited warranty shall be valid only when installation is made and use and maintenance is performed in accordance with manufacturer recommendations. A start-up report competed by an authorized manufacturer’s representative must be received by manufacturer within thirty (30) days of the initial date the unit is placed into service. The warranty shall become effective on the date of acceptance by the purchaser or the purchaser's authorized agent, or sixty (60) days after installation, or ninety (90) days after shipment from the factory, whichever occurs first.

PART 2 - PRODUCT

2.01 UNITARY RESPONSIBILITY
A. In order to unify responsibility for proper operation of the complete pumping station, it is the intent of these Specifications that all system components be furnished by a single supplier (unitary source). The pumping station must be of standard catalog design, totally warranted by the manufacturer. Under no circumstances will a system consisting of parts compiled and assembled by a manufacturer's representative or distributor be accepted.

2.02 MANUFACTURER
A. The pump station system integrator must be ISO 9001:2000 revision certified, with scope of registration including design control and service after sales activities.

B. The specifications and project drawings depict equipment and materials manufactured by The Gorman-Rupp Company which are deemed most suitable for the service anticipated. It is not intended, however, to eliminate other products of equal quality and performance. The contractor shall prepare his bid based on the specified equipment for purposes of determining low bid. Award of a contract shall constitute an obligation to furnish the specified equipment and materials.

C. After execution of the contract, the contractor may offer substitutions to the specified equipment for consideration. The equipment proposed for substitution must be superior in construction and performance to that specified in the contract, and the higher quality must be demonstrated by a list of current users of the proposed equipment in similar installations.

D. In event the contractor obtains engineer's approval for equipment substitution, the contractor shall, at his own expense, make all resulting changes to the enclosures, buildings, piping or electrical systems as required to accommodate the proposed equipment. Revised detail drawings illustrating the substituted equipment shall be submitted to the engineer prior to acceptance.

E. It will be assumed that if the cost to the contractor is less for the proposed substitution, then the contract price shall be reduced by an amount equal to the savings.

2.03 UNIT BASE
A. The unit base shall comprise a base plate, perimeter flange, and reinforcements. Base plate shall be fabricated of steel not less than 1/4" thick. Perimeter flange and reinforcements shall be designed to prevent flexing or warping under operating conditions. Base plate and/or flange shall be drilled for hardware used to secure unit base to concrete pad as shown on the contract drawings.

Unit base shall contain provisions for lifting the complete pump unit during shipping and installation.

2.04 PUMP DESIGN

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A. Pumps shall be horizontal, self-priming centrifugal type, designed specifically for handling raw, unscreened, domestic sanitary sewage. Pump solids handling capability and performance criteria shall be in accordance with requirements listed under PART 1 - GENERAL of this section.

B. The pump manufacturer must be ISO 9001:2008 revision certified, with scope of registration including design control and service after sales activities.

C. Materials and Construction Features

1. Pump casing shall be cast iron Class 30 with integral volute scroll. Casing shall incorporate following features:
a. Mounting feet sized to prevent tipping or binding when pump is completely disassembled for maintenance.
b. Fill port coverplate, 3 1/2" diameter, shall be opened after loosening a hand nut/clamp bar assembly. In consideration for safety, hand nut threads must provide slow release of pressure, and the clamp bar shall be retained by detente lugs. A Teflon gasket shall prevent adhesion of the fill port cover to the casing.
c. Casing drain plug shall be at least 1 1/4" NPT to insure complete and rapid draining. d. Liquid volume and recirculation port design shall be consistent with performance criteria listed under PART 1 - GENERAL of this section.

2. Coverplate assembly shall be cast iron Class 30. Design must incorporate following maintenance features:
a. A lightweight inspection coverplate, retained by acorn nuts, for access to pump interior for removal of stoppages. Designs that require removal of complete coverplate assembly for access to the impeller will not be accepted.
b. Retained by acorn nuts for complete access to pump interior. Back coverplate removal must allow service to the impeller, seal, wear plate or check valve without removing suction or discharge piping. Back coverplate shall incorporate an obstruction free flow path by combining four support posts into a two-point “webbed” plate design for increased durability, reduced clogging, and increased operational efficiency. c. Aggressive Self-Cleaning Wear Plate
1) A replaceable wear plate secured to the back cover plate by studs and nuts. Wear plate shall be self-cleaning design ensuring that debris is cleared away and does not collect on the impeller vanes.
2) The nature of the conveyed medium poses significant challenges to the continuous operation of the pump. Of particular concern is the clogging of the impeller by debris in the pumped medium including but not limited to long rags, fibers, and like debris which are able to wrap around the impeller vanes, stick to the center of the vanes or hub, or lodge within the spaces between the impeller and the housing. 3) The aggressive self-cleaning wear plate shall have integral laser cut notches and grooves in combination with a “tooth” designed to disturb and dislodge any solids which

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might otherwise remain on the impeller in dynamic operation. Wear plate is designed to constantly and effectively clear the eye of the impeller without the use of blades or cutters.
d. In consideration for safety, a pressure relief valve shall be supplied in the inspection coverplate. Relief valve shall open at 75-200 PSI.
e. One O-ring of Buna-N material shall seal inspection coverplate to back coverplate. f. Two O-rings of Buna-N material shall seal back coverplate to pump casing. g. Pusher bolt capability to assist in removal of inspection coverplate or back coverplate.

Pusher bolt threaded holes shall be sized to accept same retaining capscrews as used in rotating assembly.
h. Easy-grip handle shall be mounted to face of inspection coverplate.

3. Rotating assembly, which includes impeller, shaft, mechanical shaft seal, lip seals, bearings, seal plate and bearing housing, must be removable as a single unit without disturbing the pump casing or piping. Design shall incorporate following features:
a. Seal plate and bearing housing shall be cast iron Class 30. Separate oil filled cavities, vented to atmosphere, shall be provided for shaft seal and bearings. Cavities must be cooled by the liquid pumped. Three lip seals will prevent leakage of oil. 1) The bearing cavity shall have an oil level sight gauge and fill plug check valve. The clear sight gauge shall provide easy monitoring of the bearing cavity oil level and condition of oil without removal of the fill plug check valve. The check valve shall vent the cavity but prevent introduction of moist air to the bearings. 2) The seal cavity shall have an oil level sight gauge and fill/vent plug. The clear sight gauge shall provide easy monitoring of the seal cavity oil level and condition of oil without removal of the fill/vent plug.
3) Double lip seal shall provide an atmospheric path providing positive protection of bearings, with capability for external drainage monitoring. b. Impeller shall be ductile iron, two-vane, semi-open, non-clog, with integral pump out vanes on the back shroud. Impeller shall thread onto the pump shaft and be secured with a lockscrew and conical washer.
c. Shaft shall be AISI 4140 alloy steel unless otherwise specified by the engineer, in which case AISI 17-4 pH stainless steel shall be supplied.
d. Bearings shall be anti-friction ball type of proper size and design to withstand all radial and thrust loads expected during normal operation. Bearings shall be oil lubricated from a dedicated reservoir. Pump designs which use the same oil to lubricate the bearings and shaft seal shall not be acceptable.
e. Shaft seal shall be cartridge oil lubricated mechanical type. The stationary and rotating seal faces shall be tungsten titanium carbide alloy. Each mating surface shall be lapped to within three light bands flatness (35 millionths of an inch), as measured by an optical flat under monochromatic light. The stationary seal seat shall be double floating by virtue of a dual

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O-ring design; an external O-ring secures the stationary seat to the seal plate, and an internal O-ring holds the faces in alignment during periods of mechanical or hydraulic shock (loads which cause shaft deflection, vibration, and axial/radial movement). Elastomers shall be viton; cage and spring to be stainless steel. Seal shall be oil lubricated from a dedicated reservoir. The same oil shall not lubricate both shaft seal and shaft bearings.

Seal shall be warranted in accordance with requirements listed under PART 1 - GENERAL of this section.
f. Pusher bolt capability to assist in removal of rotating assembly. Pusher bolt threaded holes shall be sized to accept same capscrews as used for retaining rotating assembly.

4. Adjustment of the impeller face clearance (distance between impeller and wearplate) shall be accomplished by external means.
a. Clearances shall be maintained by a four point external shimless coverplate adjustment system, utilizing a four collar and four adjusting screw design allowing for incremental adjustment of clearances by hand as required. Each of the four points shall be lockable to prevent inadvertent clearance increases or decreases due to equipment vibration or accidental operator contact. The four point system also allows for equal clearance gaps at all points between the impeller and wear plate. Requirement of realignment of belts, couplings, etc., shall not be acceptable. Coverplate shall be capable of being removed without disturbing clearance settings. Clearance adjustment systems that utilize less than four points will not be considered.
b. There shall be provisions for additional clearance adjustment in the event that adjustment tolerances have been depleted from the coverplate side of the pump. The removal of stainless steel shims from the rotating assembly side of the pump shall allow for further adjustment as described above
c. Clearance adjustment which requires movement of the shaft only, thereby adversely affecting seal working length or impeller back clearance, shall not be acceptable.

5. Suction check valve shall be molded Neoprene with integral steel and nylon reinforcement. A blow-out center shall protect pump casing from hydraulic shock or excessive pressure.

Removal or installation of the check valve must be accomplished through the coverplate opening, without disturbing the suction piping. Sole function of check valve shall be to save energy by eliminating need to reprime after each pumping cycle. Pumps requiring a suction check valve to assist reprime will not be acceptable.

6. Spool flanges shall be one-piece cast iron, class 30 fitted to suction and/or discharge ports.

Each spool shall have one 1-1/4" NPT and one 1/4" NPT tapped hole with pipe plugs for mounting gauges or other equipment.

D. Serviceability

1. The pump manufacturer shall demonstrate to the engineer's satisfaction that consideration has been given to reducing maintenance costs.

2. No special tools shall be required for replacement of any components within the pump.

E. Drain Kit

1. Pumps to be supplied with a drain kit for ease of maintenance. The kit to contain 10' length of reinforced plastic hose with a female quick connect fitting at one end, and factory installed drain fittings in each pump. Fittings include a stainless steel pipe nipple, stainless steel bushing, stainless steel gate valve and aluminum male quick connect fitting.

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F. Spare Parts Kit

1. The following minimum spare parts shall be furnished with the pump station:
a. One spare pump mechanical seal (complete with shaft sleeve). b. One cover plate O-Ring.
c. One rotating assembly O-Ring.
d. One set of impeller clearance adjustment shims.

2.05 VALVES AND PIPING
D. Each pump shall be equipped with a full flow type check valve capable of passing a 3" spherical solid. Valve shall be constructed with flanged ends and fitted with an external lever and torsional spring. Valve seat shall be constructed of stainless steel, secured to the body to ensure concentricity, sealed by an O-ring, and shall be replaceable. The valve body shall be cast iron incorporating a clean-out port large enough to allow removal and/or replacement of the valve clapper without removing valve or piping from the line. Valve clapper shall have a molded neoprene seating surface incorporating low pressure sealing rings. Valve hinge pin and internal hinge arm shall be stainless steel supported on each end in brass bushings. Shaft nut shall have double O-rings which shall be shall be easily replaceable without requiring access to interior of valve body.

All internal hardware shall be stainless steel. Valve shall be rated at 175 PSI water working pressure, 350 PSI hydrostatic test pressure. Valves other than full flow type or valves mounted in such a manner that prevents the passage of a 3" spherical solid shall not be acceptable.

E. Automatic air release valves:

1. An automatic air release valve shall be furnished for each pump designed to permit the escape of air to the atmosphere during initial priming or unattended repriming cycles. Upon completion of the priming cycle or repriming cycle, the valve shall close to prevent recirculation. Valves shall provide visual indication of valve closure, and shall operate solely on discharge pressure.

Valves which require connection to the suction line shall not be acceptable.

2. All valve parts exposed to sewage shall be constructed of cast iron, stainless steel, or similar corrosion resistant materials. Diaphragms, if used, shall be of fabric reinforced neoprene or similar inert material.

3. A cleanout port, three inches in diameter, shall be provided for ease of inspection, cleanout, and service.

4. Valves shall be field adjustable for varying discharge heads.

5. Connection of the air release valves to the station piping shall include stainless steel fittings.

F. Gauge Kit

1. A gauge kit shall be supplied for each pump. Suction pressure must be monitored by a glycerinfilled compound gauge, and discharge pressure by a glycerin-filled pressure gauge. Gauges to

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be at least 4 inches in diameter, graduated in feet water column. Rated accuracy shall be 1% of full scale reading. Compound gauge shall be graduated -34 to +34 feet water column minimum. Pressure gauge to be graduated 0 to 140 feet water column minimum.

2. Gauges to be factory mounted on a resilient panel with frame assembly secured to pumps or piping. Gauge installations shall be complete with all hoses and stainless steel fittings, including a shutoff valve for each gauge line at the point of connection to suction and discharge pipes.

G. Piping

1. Flanged header pipe shall be centrifugally cast, ductile iron, complying with ANSI/AWWA A21.51/C115 and class 53 thickness.

2. Flanges shall be cast iron class 125 and Comply with ANSI B16.1.

3. Pipe and flanges shall be threaded and suitable thread sealant applied before assembling flange to pipe.

4. Bolt holes shall be in angular alignment within 1/2 degrees between flanges. Flanges shall be faced with a gasket finish having concentric grooves a minimum of 0.01 inch deep by approximately 0.03 inch wide, with a minimum of three grooves on any given surface spaced a maximum of 1/4 inch apart.

H. Supports and Thrust Blocks

1. Contractor must insure all pipes connected to the pump station are supported to prevent piping loads from being transmitted to pumps or station piping. Pump station discharge force main piping shall be anchored with thrust blocks where shown on the contract drawings.

2.06 DRIVE UNIT
D. Pump motors shall be _15_ HP, horizontal ODP, 1800 RPM, NEMA design B with cast iron frame with copper windings, induction type, with normal starting torque and low starting current characteristics, suitable for continuous service. The motors shall not overload at the design condition or at any head in the operating range as specified.

E. Drive Transmission

1. Power to pumps transmitted V-belt drive assemblies. The sheave/belt combination shall provide the speed ratio needed to achieve the specified pump operating conditions.

2. Each drive assembly shall utilize at least two V-belts providing minimum a combined safety factor of 1.5. Single belt drives or systems with a safety factor of less than 1.5 are not acceptable. Computation of safety factors shall be based on performance data published by the drive manufacturer.

3. Precise alignment tolerances of the drive assemblies shall be achieved by means of a belt/sheave laser alignment system resulting in the reduction of vibration, accelerated wear, and premature failure.

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4. The pump manufacturer shall submit power transmission calculations which document the following:
a. Ratio of pump/motor speed.
b. Pitch diameter of driver and driven sheaves.
c. Number of belts required per drive.
d. Theoretical horsepower transmitted per belt, based on vendor's data. e. Center distance between pump and motor shafts.
f. Arc-length correction factor applied to theoretical horsepower transmitted. g. Service factor applied to established design horsepower. h. Safety factor ratio of power transmitted/brake horsepower required.

5. Belt guards
a. Pump drives to be enclosed on all sides by a guard constructed of fabricated steel or combination of materials including expanded, perforated, or solid sheet metal. No opening to a rotating member shall exceed 1/2 inch.
b. Guards must be completely removal without interference from any unit component, and shall be securely fastened and braced to the unit base. c. Metal to be free from burrs and sharp edges. Structural joints shall be continuously welded.

Rivet spacing on panels shall not exceed five inches. Tack welds shall not exceed four inch spacing.
d. The guard shall be finished with one coat of gray W.R. non-lift primer and one coat of orange acrylic alkyd W.R. enamel in accordance with section 3, Color Definitions of ANSI 253.1; Safety Color Code for Marking Physical Hazards.

2.07 FINISH
D. Pumps, piping, and exposed steel framework shall be cleaned prior to coating using an approved solvent wipe or phosphatizing cleaner. The part must thoroughly dry before paint application.

Open joints shall be caulked with an approved polyurethane sealant. Exposed surfaces shall be applied with one coat of Tnemec Series 69 Polymide Epoxy Primer and one finish coat of Series 73 Aliphatic Acrylic Polyurethane for a total dry film thickness of 4-6 mils. Finish coat shall be semi-gloss white for optimum illumination and enhancement. The coating shall be corrosion, moisture, oil, and solvent resistant when completely dry. The factory finish shall allow for overcoating and touch-up for 6 months after coating. Thereafter, it will generally require sanding to accept a topcoat or touch-up coating. See Product Data Sheet for additional information.

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2.08 ELECTRICAL CONTROL COMPONENTS
D. The pump station control panel will be tested as an integral unit by the pump station manufacturer. The control panel shall also be tested with the pump station as a complete working system at the pump station manufacturer's facility.

E. Panel Enclosure

1. Electrical control equipment shall be mounted within a NEMA 1 steel, dead front type, control enclosure. Door shall be hinged and sealed with a neoprene gasket and equipped with captive closing hardware. Control components shall be mounted on a removable steel back panel secured to enclosure with collar studs.

2. All control devices and instruments shall be secured to the sub-plate with machine screws and lockwashers. Mounting holes shall be drilled and tapped; self-tapping screws shall not be used to mount and component. All control devices shall be clearly labeled to indicate function.

F. UL Label Requirement

1. Pump station controls shall conform to third party safety certification. The panel shall bear a serialized UL label listed for "Enclosed Industrial Control Panels". The enclosure, and all components mounted on the sub-panel or control cover shall conform to UL descriptions and procedures.

G. Branch Components

1. All motor branch and power circuit components shall be of highest industrial quality. The short circuit current rating of all power circuit devices shall be a tested combination or evaluated per the National Electrical Code Article 409. the lowest rated power circuit component shall be the overall control panel short circuit rating and shall not be less than the fault current available.

The minimum control panel rating shall not be less than 10 kA, rms symmetrical. Control assemblies operating at 120 volts nominal or less may be provided with transformers which limit the fault current and may be rated less than the minimum required short circuit rating.

2. Circuit Breakers and Operating Mechanisms
a. A properly sized heavy duty circuit breaker shall be furnished for each pump motor. The circuit breakers must be sealed by the manufacturer after calibration to prevent tampering. b. An operating mechanism installed on each motor circuit breaker shall penetrate the control panel door. A padlockable operator handle shall be secured on the exterior surface.

Interlocks must prevent opening the door until circuit breakers are in "OFF" position. An additional mechanism(s) shall be provided on the circuit breaker permitting the breaker to be operated and/or locked with the control panel door in the open position.

3. Motor Starter

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a. An open frame, across-the-line, NEMA rated magnetic starter with under-voltage release, and overload protection on all three phases, shall be furnished for each pump motor.

Starters of NEMA size 1 and above shall allow addition of at least two auxiliary contacts.

Starters rated "0", "00", or fractional size are not acceptable. Power contacts to be double-break type made of cadmium oxide silver. Coils to be epoxy molded for protection from moisture and corrosive atmospheres. Contacts and coils shall be easily replaceable without removing the starter from its mounted position. Each starter shall have a metal mounting plate for durability.
b. Overload relays shall be solid-state block type, having visual trip indication with trip-free operation. Electrically resetting the overload will cause one (1) normally open and one (1) normally closed isolated alarm/control contact to reset, thus re-establishing a control circuit.

Trip setting shall be governed by solid-state circuitry and adjustable current setting. Trip classes shall be 10, 15 and 20. Additional features to include phase loss protection, selectable jam/stall protection and selectable ground fault protection. c. An overload reset pushbutton, mounted through the control panel door, shall permit resetting the overload relays without opening the control panel door.

H. Phase Monitor

1. The control panel shall be equipped to monitor the incoming power and shut down the pump motors when required to protect the motor(s) from damage caused by phase reversal, phase loss, low voltage, and voltage unbalance. An integral time delay shall be provided to minimize nuisance trips. The motor(s) shall automatically restart when power conditions return to normal.

I. Transient Voltage Surge Suppressor
a. The control panel shall be equipped with a modular surge arrestor to minimize damage to the pump motors and control from transient voltage surges. The suppressor shall utilize thermally protected by heavy duty zinc oxide varistors encapsulated in a non conductive housing. Mechanical indicators shall be provided on each phase to indicate protection has been lost. The suppressor shall have a short circuit current rating of 200,000 Amps and a Maximum Discharge current rating [ Imax ] of 40,000 Amperes. Nominal discharge current [ In ] is 20,000 Amperes. Surge arrester according to UL 1449 3rd Edition,Type 2 component assembly.

J. Pump Start Delay

1. The control circuit for pump #2 shall be equipped with a time delay to prevent simultaneous motor starts.

K. Control Circuit

1. A normal duty thermal-magnetic circuit breaker shall protect all control circuits by interrupting control power.

2. Pump mode selector switches shall permit manual start or stop of each pump individually, or permit automatic operation under control of the liquid level control system. Manual operation

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shall override all shutdown systems, except the motor overload relays. Selector switches to be oil-tight design with contacts rated NEMA A300 minimum.

3. Control logic shall be accomplished using a programmable logic controller (PLC).

4. Electromechanical relays and timers shall be equipped with 120VAC coils and contacts rated Nema A-300 minimum. Timers shall be pneumatic or synchronous motor driven.

5. Programmable controls shall operate on 120VAC power and be equipped with 120VAC inputs and hard contact outputs. Outputs shall have an inductive load rating equivalent to a size 4 contactor. Inputs shall incorporate a filter time delay and the overall controller noise immunity shall meet Nema standard ICS 2-230. The power supply to the programmable control shall include an active tracking filter protection system to minimize the effects of electrical noise.

6. Operator interface equipment shall be provided to permit field adjustment of the programmable control timers and counters and shall be mounted on the control panel with other operator controls and displays.

7. The program logic shall be stored in battery backed random access memory, as well as on a programmable, read only memory module. The memory module shall be included to facilitate field repair or replacement of the programmable control hardware.

8. The O&M manual shall be provided with complete ladder logic program documentation including English names, rung comments, and coil/contact cross-references.

9. The control shall be pre-programmed or wired to provide the following routines:
a. Pump alternation at lead stop
b. Excessive pump run time alternation (1-9999 minutes) c. Jump to idle pump/drive on lead failure
d. Pump start delays after power restoration
e. Flashing alarm/steady acknowledge on all alarm pilot lights f. Station trouble alarm (115vac and normally open dry contact) g. High and low level alarms
h. Pump high temperature shutdown
i. Motor high temperature

10. The control system shall be equipped with the following dry contacts wired to the terminal blocks:
a. Pump run - (1) N.O. each pump
b. Drive fault - (1) N.O. each pump
c. High pump temperature shutdown - (1) N.O. each pump
d. High motor temperature - (1) N.O. each pump
e. Three phase voltage monitor - (1) N.C.
f. High water alarm - (1) N.O.
g. Low water alarm (optional)- (1) N.O.

11. Six digit elapsed time meter shall be shall be displayed on the Integrinex™ Standard operator interface to indicate total running time of each pump in "hours" and "tenths of hours". Pump runtime shall be adjustable and password protected.

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12. A high pump temperature protection circuit shall override the level control and shut down the pump motor(s) when required to protect the pump from excessive temperature. A thermostat shall be mounted on each pump casing and connected to the Integrinex™ Standard. If casing temperature rises to a level sufficient to cause damage, the thermostat causes the Integrinex™ Standard to interrupt power to the motor. The Integrinex™ Standard will display an alarm banner indicating the motor stopped due to high pump temperature. The motor shall remain locked out until the pump has cooled and circuit has been manually reset. Automatic reset of this circuit is not acceptable.

13. Auxiliary Power Transformer
a. The lift station shall be equipped with a 5 KVA step-down transformer to supply 115 volt, AC, single phase for the control and auxiliary equipment. The primary and secondary side of the transformer to be protected by a thermal magnetic circuit breaker, sized to meet the power requirements of the transformer. An operating mechanism shall penetrate the control panel door. and a padlockable operator handle shall be secured on the exterior surface. Interlocks must prevent opening the door until circuit breakers are in "OFF" position. An additional mechanism(s) shall be provided on the circuit breaker permitting the breaker to be operated and/or locked with the control panel door in the open position.

14. Wiring
a. The pump station, as furnished by the manufacturer, shall be completely wired, except for power feed lines to the branch circuit breakers and final connections to remote alarm devices.
b. All wiring, workmanship, and schematic wiring diagrams shall comply with applicable standards and specifications of the National Electric Code (NEC). c. All user serviceable wiring shall be type MTW or THW, 600 volts, color coded as follows:
1) Line and Load Circuits, AC or DC power.........................................................Black 2) AC Control Circuit Less Than Line Voltage.....................................................Red 3) DC Control Circuit............................................................................................Blue 4) Interlock Control Circuit from external source………………………………..Yellow 5) Equipment Grounding Conductor................................................................Green 6) Current Carrying Ground...............................................................................White 7) Hot With Circuit Breaker Open....................................................................Orange d. Control circuit wiring inside the panel, with exception of internal wiring of individual components, shall be 16 gauge minimum, type MTW or THW, 600 volts. Power wiring to be 14 gauge minimum. Motor branch wiring shall be 10 gauge minimum. e. Motor branch and other power conductors shall not be loaded above the temperature rating of the connected termination. Wires must be clearly numbered at each end in conformance with applicable standards. All wire connectors in the control panel shall be ring tongue type with nylon insulated shanks. All wires on the sub-plate shall be bundled and tied. All wires extending from components mounted on door shall terminate at a terminal block mounted on the back panel. All wiring outside the panel shall be routed through conduit. f. Control wires connected to door mounted components must be tied and bundled in accordance with good commercial practice. Bundles shall be made flexible at the hinged

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side of the enclosure. Adequate length and flex shall allow the door to swing full open without undue stress or abrasion. Bundles shall be held on each side of hinge by mechanical fastening devices.

15. Conduit
a. Factory installed conduit shall conform to following requirements:
1) All conduit and fittings to be UL listed.
2) Liquid tight flexible metal conduit to be constructed of smooth, flexible galvanized steel core with smooth abrasion resistant, liquid tight polyvinyl chloride cover. 3) Conduit to be supported in accordance with articles 346, 347, and 350 of the National Electric Code.
4) Conduit shall be sized according to the National electric Code.

16. Grounding
a. Station manufacturer shall ground all electrical equipment inside the pump station to the control panel back plate. All paint must be removed from the grounding mounting surface before making final connection.
b. The contractor shall provide an earth driven ground connection to the pump station at the main grounding lug in accordance with the National Electric Code (NEC).

17. Equipment Marking
a. Permanent corrosion resistant name plate(s) shall be attached to the control and include following information:
1) Equipment serial number
2) Control panel short circuit rating
3) Supply voltage, phase and frequency
4) Current rating of the minimum main conductor
5) Electrical wiring diagram number
6) Motor horsepower and full load current
7) Motor overload heater element
8) Motor circuit breaker trip current rating
9) Name and location of equipment manufacturer
b. Control components shall be permanently marked using the same identification keys shown on the electrical diagram. Labels shall be mounted adjacent to device being identified.
c. Switches, indicators, and instruments mounted through the control panel door shall be labeled to indicate function, position, etc. Labels shall be mounted adjacent to, or above the device.

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2.09 LIQUID LEVEL CONTROL
D. The manufacturer of the liquid level control system must be ISO 9001:2000 revision certified, with scope of registration including design control and service after sales activities.

E. The level control system shall start and stop the pump motors in response to changes in wet well level, as set forth herein.

F. The level control system shall be capable of operating as either an air bubbler type level control system, submersible transducer type system, or ultrasonic transmitter type system.

G. The level control system shall utilize alternation to select first one pump, then the second pump, then the third pump (if required), to run as lead pump for a pumping cycle. Alternation shall occur at the end of a pumping cycle, or in the event of excessive run time.

H. The level control system shall utilize an electronic pressure switch which shall continuously monitor the wet well level, permitting the operator to read wet well level at any time. Upon operator selection of automatic operation, the electronic pressure switch shall start the motor for one pump when the liquid level in the wet well rises to the "lead pump start level". When the liquid is lowered to the "lead pump stop level", the electronic pressure switch shall stop this pump. These actions shall constitute one pumping cycle. Should the wet well level continue to rise, the electronic pressure switch shall start the second and/or third pump (if required) when the liquid reaches the "lag pump start level", or “standby pump start level” so that all pumps are operating. These levels shall be adjustable as described below.

1. The electronic pressure switch shall include integral components to perform all pressure sensing, signal conditioning, EMI and RFI suppression, DC power supply and 120 volt outputs.

Comparators shall be solid state, and shall be integrated with other components to perform as described below.

2. The electronic pressure switch shall be capable of operating on a supply voltage of 12-24Vdc in an ambient temperature range of -10 degrees C (14 degrees F) through 55 degrees C (131 degrees F). Ingress Protection of IP56 for indoor use with closed cell neoprene blend gasket material. Evaluated by Underwriters Laboratories for Pollution Degree 2 device for U.L. and cU.L. Control range shall be 0 to 33.3 feet of water with an overall repeat accuracy of (plus/minus) 0.1 feet of water. Memory shall be non-volatile. A Battery backed real time clock shall be standard.

3. Eleven optically isolated, user defined digital inputs for pump and alarm status. Rated at 10mA at 24Vdc. Eight digital output relays (mechanical contacts), configurable for pump start/stop or alarms. Three relays rated at 12 Amp @ 28Vdc and 120Vac, five relays rated at 3 Amp @ 30Vdc and 120Vac. The electronic pressure switch shall consist of the following integral components: pressure sensor, display, electronic comparators, digital inputs and digital output relays.
a. The internal pressure sensor shall be a strain gauge transducer and shall receive an input pressure from the air bubbler system. The transducer shall convert the input to a proportional electrical signal for distribution to the display and electronic comparators. The transducer output shall be filtered to prevent control response to level pulsations or surges.

The transducer range shall be 0-14.5 PSI, temperature compensated from -40 degrees C (-40 degrees F) through 85 degrees C (185 degrees F), with a repeat accuracy of

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(plus/minus) 2.5% full scale about a fixed temperature. Transducer overpressure rating shall be 3 times full scale.
b. The electronic pressure switch shall incorporate a digital back lighted LCD panel display which, upon operator selection, shall indicate liquid level in the wet well, and pump status indication for up to 3 pumps. The display shall include a 128 x 64 bit resolution LCD to read out directly in feet of water, accurate to within one-tenth foot (0.1 foot), with a full scale indication of not less than 12 feet. The display shall be easily convertible to indicate English or metric units.
c. Level adjustments shall be electronic comparator set-points to control the levels at which the lead, lag and standby pumps start and stop. Each of the level settings shall be easily adjustable with the use of membrane type switches, and accessible to the operator without opening any cover panel on the electronic pressure switch. Controls shall be provided to permit the operator to read the selected levels on the display. Such adjustments shall not require hard wiring, the use of electronic test equipment, artificial level simulation or introduction of pressure to the electronic pressure switch. d. Each digital input can be programmed as pump run, pump HOA, pump high temp, pump moisture/thermal, starter failure (FVNR, RVSS, VFD), and phase failure. Inputs are used for status and alarm indication.
e. Each output relay in the electronic pressure switch shall be hard contact mechanical style.

Each relay input shall be optically isolated from its output and shall incorporate zero crossover switching to provide high immunity to electrical noise. Each output relay shall have an inductive load rating equivalent to one NEMA size 3 contactor. A pilot relay shall be incorporated for loads greater than a size 3 contactor.

4. The electronic pressure switch shall be equipped with alarm banners with time and date history for displaying alarm input notification. Alarm history will retain a 16 of the most recent alarm events.

5. The electronic pressure switch shall be equipped with pump start/stop and alarm input delay(s) that have an adjustable delay set points.

6. An Antiseptic function with a built in timer shall be incorporated in the electronic pressure switch to prevent the well from becoming septic.

7. The electronic pressure switch shall be capable of jumping to next available pump if current pump is out of service due to pump failure or manual selection. Circuit design in which application of power to the lag pump motor starter is contingent upon completion of the lead pump circuit shall not be acceptable.

8. The electronic pressure switch shall be equipped with a simulator system capable of performing system cycle testing functions.

9. The electronic pressure switch shall be capable of calculating and displaying pump elapse run time. The elapse run time is resettable and adjustable.

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10. The electronic pressure switch shall have internal capability of providing automatic simplex, duplex, and triplex alternation, manual selection of pump sequence operation, and alternation in the event of 1-24 hours of excessive run time.

11. The electronic pressure switch shall be equipped with a security access code to prevent accidental set-up changes and provide liquid level set-point lock-out. The supervisor access code is adjustable.

12. The electronic pressure switch shall be equipped with one (1) 0-33 ft. W.C. input, one (1) scalable analog input of either 0-5Vdc, or 4-20mA, and one (1) scalable analog output of either 0-5Vdc, 0-10Vdc or 4-20mA. Output is powered by 10-24Vdc supply. Load resistance for 4-20mA output shall be 100-1000 ohms.

13. The electronic pressure switch shall include a DC power supply to convert 120Vac control power to 12 or 24Vdc power. The power supply shall be 500 mA (6W) minimum and be UL listed Class II power limited power supply.

14. The electronic pressure switch shall be equipped with an electronic comparator and mechanical output relay to alert maintenance personnel to a high liquid level in the wet well.

An alarm banner, visible on the front of the controller, shall indicate that a high wet well level exists. The alarm signal shall be maintained until the wet well level has been lowered and the circuit has been manually reset. High water alarm shall be furnished with a dry contact wired to terminal blocks.

15. The electronic pressure switch shall be equipped with an electronic comparator and mechanical output relay to alert maintenance personnel to a low liquid level in the wet well. An alarm banner, visible on the front of the controller, shall indicate that a low wet well level exists.

The alarm signal shall be maintained until the cause for the low wet well level has been corrected and the circuit has been manually reset. A low liquid level condition shall disable all pump motors. When the wet well rises above the low level point, all pump motors shall be automatically enabled. Low water alarm shall be furnished with a dry contact wired to terminal blocks.

16. Integrinex Standard Analog Output circuit will be furnished with transient voltage surge suppression to protect related equipment from induced voltage spike from lighting.

I. An alarm silence pushbutton and relay shall be provided to permit maintenance personnel to de-energize the audible alarm device while corrective actions are under way. After silencing the alarm device, manual reset of the alarm condition shall clear the alarm silence relay automatically.

The pushbutton shall be a membrane style button integral to the Integrinex Standard level controller.

J. Submersible Transducer System

1. The level control system shall utilize a submersible transducer. It shall be a strain gauge transducer with a pressure sensor housed in a 316 SST or Titanium case designed to extend into the wet well. The pressure transducer shall provide a proportional signal for distribution to the display and electronic comparators of the electronic pressure switch, and remainder of the level control system. Sensor range shall be 0-12 ft. W.C. minimum with an over-pressure rating 3 times full scale. The transducer shall have output capability of 0-5Vdc or 4-20mA. The

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transducer's polyurethane jacketed shielded cable shall be of suitable length for proper installation into the wet well without splicing.

2. Submersible transducer will be furnished with transient voltage surge suppression to protect related equipment from an induced voltage spike from lighting.

K. Alarm Light (External)

1. Station manufacturer will supply one 115 volt AC alarm light fixture with vapor-tight red globe, guard, conduit box, and mounting base. The design must prevent rain water from collecting in the gasketed area of the fixture, between the base and globe. The alarm light will be shipped loose for installation by the contractor.

L. Alarm Horn (External)

1. Station manufacturer will supply one 115 volt AC weatherproof alarm horn with projector, conduit box, and mounting base. The design must prevent rain water from collecting in any part of the horn. The alarm horn will be shipped loose for installation by the contractor PART 3 - EXECUTION

3.01 EXAMINATION
A. Contractor shall off-load equipment at installation site using equipment of sufficient size and design to prevent injury or damage. Station manufacturer shall provide written instruction for proper handling. Immediately after off-loading, contractor shall inspect complete pump station and appurtenances for shipping damage or missing parts. Any damage or discrepancy shall be noted in written claim with shipper prior to accepting delivery. Validate all station serial numbers and parts lists with shipping documentation. Notify the manufacturer’s representative of any unacceptable conditions noted with shipper.

3.02 INSTALLATION
A. Install, level, align, and lubricate pump station as indicated on project drawings. Installation must be in accordance with written instructions supplied by the manufacturer at time of delivery.

B. Suction pipe connections are vacuum tight. Fasteners at all pipe connections must be tight. Install pipe with supports and thrust blocks to prevent strain and vibration on pump station piping. Install and secure all service lines (level control, air release valve or pump drain lines) as required in wet well.

C. Check motor and control data plates for compatibility to site voltage. Install and test the station ground prior to connecting line voltage to station control panel.

D. Prior to applying electrical power to any motors or control equipment, check all wiring for tight connection. Verify that protective devices (fuses and circuit breakers) conform to project design documents. Manually operate circuit breakers and switches to ensure operation without binding.

Open all circuit breakers and disconnects before connecting utility power. Verify line voltage, phase sequence and ground before actual start-up.

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3.03 FIELD QUALITY CONTROL
A. Operational Test

1. Prior to acceptance by owner, an operational test of all pumps, drives, and control systems shall be conducted to determine if the installed equipment meets the purpose and intent of the specifications. Tests shall demonstrate that all equipment is electrically, mechanically, structurally, and otherwise acceptable; it is safe and in optimum working condition; and conforms to the specified operating characteristics.

2. After construction debris and foreign material has been removed form the wet well, contractor shall supply clear water volume adequate to operate station through several pumping cycles.

Observe and record operation of pumps, suction and discharge gage readings, ampere draw, pump controls, and liquid level controls. Check calibration of all instrumentation equipment, test manual control devices, and automatic control systems. Be alert to any undue noise, vibration or other operational problems.

B. Manufacturer’s Start-up Services

1. Co-ordinate station start-up with manufacturer’s technical representative. The representative or factory service technician will inspect the completed installation. He will calibrate and adjust instrumentation, correct or supervise correction of defects or malfunctions, and instruct operating personnel in proper operation and maintenance procedures.

3.04 CLEANING
A. Prior to acceptance, inspect interior and exterior of pump station for dirt, splashed material or damaged paint. Clean or repair accordingly. Remove from the job site all tools, surplus materials, scrap and debris.

3.05 PROTECTION
A. The pump station should be placed into service immediately. If operation is delayed, drain water from pumps and piping. Open motor circuit breakers and protect station controls and interior equipment from cold and moisture.

END OF SECTION

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SECTION 260500 ELECTRICAL
PART 1 GENERAL

1.01 SCOPE OF WORK
A. The Contractor shall install, ready for use, the electrical system as specified in Division 26 00 00 and shown on the Contract Drawings. This document describes the function and operation of the system and particular components, but does not necessarily describe all necessary devices. All components and devices shall be furnished and installed as required to provide a complete operable and reliable system for accomplishing the functions and meeting the performance set forth hereinafter.

B. Contractor’s bid shall include first or second named or second named as indicated on the Drawings or in these Specifications. Where Drawings or Specifications call for a particular manufacturer “or equal”, the Contractor must prepare his base bid using the first or second named equipment. Contractor shall bear the full responsibility for including in his bid any equipment, which is later found to be unacceptable or NOT equal to the equipment specified.

C. Furnish all required labor, materials, project equipment, tools, construction equipment, safety equipment, transportation, test equipment, incidentals, and services to provide a complete and operational electrical system as shown on the Drawings, included in these Specifications, or required for fully operating facilities. Use Device Indexes and Contract Drawings typical installation details for mounting detail requirements to be provided for equipment listed.

D. Examine the Specification and Drawings for mechanical equipment and provide all starters, circuit breakers, switches, pushbuttons and appurtenances which are not specified to be with the mechanical equipment. Erect all electrical equipment not definitely stated to be erected by others, furnish and install conduit, wire, cable, and make connections required to place all equipment in complete operation.

E. Contract Elementary Drawings do not show all electrical interfaces, lockouts, etc. required for motor control. These Drawings show general layout and have made provisions for interlocks, solenoid valve control, etc. and are only typical. Contractor is responsible for examining the Contract Series Drawings for all motor control interfaces, temperature switches, solenoid valves, float switches and device lockout, requirements. The Contractor’s submitted elementary diagrams shall show all motor controls and interlocks for the specific piece of equipment. Provide a separate set of elementary diagrams for each similar group of equipment. It is within the Contractor’s scope of work to submit elementary diagrams that not only show the MCC bucket wiring, but also include the field interlocks, motor heaters, protective devices, valve controls, etc. The Contractor’s Elementary submittal Drawings shall also show field terminal block numbers for each of the field interlocks and valve controls.

F. The major areas in the Division scope of work are shown on the drawings and as designated on the Division 26 00 00 plans, which include both the furnishing and installation of are:

1. Motor Control Centers including motor starters.

2. Meter/main switchboard MCCs.

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3. Processor Logic Controllers (PLC) and Operator Interface (OI) hardware for controlling the pumps, aerators, drives, etc. and other miscellaneous devices. The Contractor is to provide all configuration, programming and setup of the PLCs.

4. Conduits, and the field interconnection wiring between the equipment, pumps, MCCs, control panels, panelboards, field devices, etc.

5. All necessary miscellaneous shut off, sample, and calibration valves to sensors.

6. Trenching, backfilling, compaction, and resurfacing for all new underground conduit routes.

7. Building electrical devices, lights, and receptacles.

8. Grounding system and equipment grounding.

9. Installation of primary devices, equipment and instruments, are not completely detailed on Contract drawing plan sheets. Use Device Indexes and Contract Drawings installation details for installation and mounting requirements.

10. Conduits, wiring, and terminations of all wiring associated with panels and equipment supplied under all other Divisions.

11. Removal and disposal of excess materials from excavation, pavement removal and demolition work.

G. Provide all necessary hardware, conduit, wiring, fittings, and devices to connect the electrical equipment provided under other Sections. The following shall be done by the Contractor at no additional cost to the Owner:

1. Provide additional devices, wiring, conduits, relays, and isolators to complete interfaces of the electrical and instrumentation system.

2. Changing normally open contacts to normally closed contacts or vise versa.

3. Adding additional relays to provide more contacts as necessary to carry out work specified.

4. Other work implied by the Contract documents.

H. The following Specifications incorporate specific equipment and devices that are preferred by the Owner because of their serviceability, because of the local availability of labor, parts and materials, or because of the ability of the Owner to umbrella the equipment under existing maintenance Contracts; however, favorable alternatives proposed in writing during the submittal process will be reviewed by the Owner as whether it is acceptable as an approved equal.

I. All electrical equipment and materials, including installation and testing, shall conform to the applicable codes and standards listed in this and other Sections. All electrical work shall conform with the National Electrical Code (NEC) 2013 issue. Nothing on the Drawings nor in the Specifications shall be construed to permit work or materials not conforming to these codes and standards.

J. Contractors which propose to bid on this project are encouraged to attend the pre-bid job walk to accomplish the following:

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1. Thoroughly examine existing conditions before submitting his bid proposal to perform any work.

He shall compare site conditions with data given on the plans or in these Specifications. No allowance shall be made for any additional costs incurred by the Contractor due to his failure to have examined the site or to have failed to report any discrepancies to the Owner prior to bid.

2. Verify all measurements and conditions and shall be responsible for the correctness of same. No extra compensation will be allowed because of differences between work shown on the Drawings and measurements at the site.

K. It is the Contractor’s responsibility to be fully familiar with the existing conditions and local requirements and regulations. New MCCs and generators are to be installed in areas with limited space. MCC and generator footprints were developed based on best available information. Contractor is responsible for any additional conduits, wires, construction costs, engineering design requirements, etc to accommodate MCCs and generators that are larger than that shown on Contract Documents.

L. Any major deviations in location and conduit routing that the Contractor makes without the express written review or direction of the Engineer, shall be considered to have been made at the Contractor’s sole responsibility. Such deviations made by the Contractor shall be reflected on the Contractor supplied “Record Drawings” and Conduit Schedule. The Contractor will reimburse the Electrical Engineer and the Owner and then will deduct an amount equal of reimbursement from the Contractor’s contract for all engineering, drafting, and clerical expenses associated with updating the Record Drawings and Conduit Schedule due to any major unauthorized changes.

M. The term “Engineer” used throughout this Division 16 is the “El Dorado Irrigation District” Engineer or their designated Engineer representative.” The term “Owner” in Division 16 is the Delhi Irrigation District.

When “Contractor” is listed in these documents without further definition such as “Contractor”, it is to mean the “Prime or General Contractor.”

1.02 CODES AND STANDARDS
A. All electrical/instrumentation equipment and materials, including installation and testing, shall conform to the following applicable codes and standards:

1. ANSI - American National Standards Institute, Inc.

2. EIA - Electronics Industries Association.

3. ETL - Electrical Testing Laboratories.

4. FM - Factory Mutual.

5. GO128 - General Order No. 128, Rules for Construction of Underground Electrical Supply and Communication Systems, PublicUtilities Commission of the State of California.

6. IEEE - Institute of Electrical and Electronics Engineers.

7. ICEA - Insulated Power Cable Engineers' Association.

8. ISA - International Society for Measurements & Control (ISA) Standards (formerly Instrument Society of America).

9. JIC - Joint Industrial Council.

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10. NEC - National Electrical Code, 2005 Edition.

11. NEMA - National Electrical Manufacturers Association.

12. NETA - Acceptance Testing Specifications for Electrical Power Distribution Equipment and Systems, International Electrical Testing Association.

13. NESC - National Electrical Safety Code.

14. NFPA - National Fire Protection Agency.

15. OSHA - Occupational Safety and Health Act Standards.

16. UL - Underwriter's Laboratories, Inc.

B. The revisions of these codes and standards in effect on the date of issuance of the Contract Documents shall apply.

C. Codes and standards referenced shall be considered minimum acceptable work.

D. In instances where two or more codes are at variance, the most restrictive requirements shall apply.

E. Nothing on the Drawings nor in the Specifications shall be construed to permit work or materials not conforming to the preceding codes and standards.

F. All work shall also be performed in accordance with the District, State, County or District standards, and local Utility codes.

G. The Contractor shall furnish without extra charge any additional material and labor which may be required for compliance with these codes and standards, even though the work is not explicitly mentioned in the Specifications or shown on the Contract E-Series Drawings.

H. Amperage listed on the single-line Drawings for motors are per NEC Table 430-150 and may not necessarily match that of the equipment supplied. It is the electrical system supplier and Contractor’s responsibility to furnish equipment sized for the motors supplied for this project at no additional cost.

1.03 CONTRACTOR QUALIFICATIONS
A. It is the intent of this Division that the complete responsibility for management and installation of the electrical and instrumentation required for this project be by the Contractor. This responsibility includes, but is not limited to, supervision and coordination of work performed by the System Supplier.

Uncertified electricians shall not perform electrical work for which certification is required.

B. Contractor shall submit the proposed Electrical Sub-Contractor and System Supplier with bid documents that will be used on this project.

C. If the Contractor, General Contractor and System supplier listed in bid documents are deemed not qualified by Owner, they will have their bid rejected at the Owner’s sole discretion and the next qualified bidder selected.

D. The Electrical Contractor shall meet the following minimum qualifications:

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1. Has a current C-10 Contractor’s License.

2. Has regularly engaged in similar electrical construction for the municipal water and wastewater industry.

3. Has performed work of similar or greater complexity on at least five previous projects.

4. Has all persons performing work as electricians certified by the California Apprenticeship Council per California Labor Code Section 3099.

1.04 SYSTEM SUPPLIER QUALIFICATIONS
A. General:

1. All switchboard, panels, MCCs, PLC hardware, and PLC programming shall be supplied by one system supplier. All panels and instrumentation listed for Division 16 in all Division 16 appendix Indexes shall be supplied by the same System Supplier. This includes, but not limited to, all work necessary to select, furnish, supervise installation, calibrate, program, and place into operation all transmitters, instruments, controllers, alarm equipment, monitoring equipment, and accessories as specified herein. The system supplier shall not subcontract any portions of the equipment provisioning with the exception of fire and security alarm systems without written approval of Owner.

2. The system supplier shall have an on-staff project engineer with prior experience on similar sized projects. This project engineer shall coordinate the technical aspects of this project and prepare the submittals and drawings. This project engineer’s name, address, and phone number shall be provided within the first week after notice to proceed. The system supplier project engineer shall attend all coordination meetings and be on-site when requested by the Owner’s Resident Engineer.

B. System Suppliers

1. System Suppliers shall submit the information listed herein two weeks prior to bid, and if approved by the Owner, will be listed in a Contract addendum prior to bid.

2. The System Supplier shall submit prove they meet the following minimum qualifications:
a. Has regularly engaged in similar instrumentation systems for the Municipal Water and Wastewater industry.
b. Has successfully performed work of similar or greater complexity on at least five previous projects under one company name which is the present company name.
c. Has been actively engaged in the type of PLC control system, and instrumentation work specified in this Division for a minimum of five years. d. Has a permanent, fully staffed, and equipped service facility in operation at least six (6) months prior to bid date within 150 miles of project site. Service facility shall

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be under same company name as System Supplier and same company shall be staffed with personnel and equipment required to maintain, repair and calibrate the instrumentation system. Subletting warranty to third party is not acceptable.

3. Non pre-qualified System Suppliers shall submit the following detailed information to the Owner for determination of pre-qualification:
a. Company history.
b. List of five (5) completed projects of similar size and nature for wastewater treatment plants.
i. Provide completion dates of projects.
ii. References of Owner Representative in charge of project, including contact name and telephone number.
c. List of projects in progress.
i. Description of scope of projects.
ii. Dollar amount of projects.

4. Additional information for clarification as requested by the Owner in writing shall be provided by the System Supplier asking for the qualification or qualification will automatically be denied.

5. System Supplier providing financial statements lacking detail or stating that detailed financial records are proprietary will be disqualified as a qualified System Supplier and is grounds alone for disqualification.

6. Any qualification package deemed incomplete or lacking sufficient information to determine qualification will result in System Supplier not being qualified.

7. No reason will be released on why a System Supplier was not qualified.

1.05 CONTRACT DOCUMENTS
A. The Contract Drawings and Specifications are intended to be descriptive of the type of electrical system to be provided; any minor details missing in either shall not relieve the Contractor from the obligations thereunder to install in correct detail any and all materials necessary for a complete operational system at no additional cost.

B. The Contract Drawings are generally diagrammatic; exact locations of electrical products shall be verified in the field with the Owner’s Resident Engineer. Except where special details on Drawings are used to illustrate the method of installation of a particular piece or type of equipment or materials, the requirements or descriptions in this Section shall take precedence in the event of conflict.

C. The Contract Electrical elementary, elevation and one-line diagrams are the basis of the electrical system to be provided and are for reference only. It is the Contractor’s responsibility to adjust and make minor revisions to the diagrams as necessary for operational system at no additional cost to the Owner.

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Additional isolators, relays, wiring, terminal blocks, etc, shall be provided for an operation system at no additional cost to the Owner.

D. Location at facilities of new equipment, inserts, anchors, panels, pull boxes, conduits, stub-ups, and fittings for the electrical system are to be determined by the Contractor and Engineer at time of installation.

Contractor shall make minor adjustments to locations of electrical equipment required by conditions and coordination with other trades at no additional cost. Minor adjustments are defined as those adjustments required due to equipment size changes or variations between different equipment suppliers.

E. The Conduit and Wire Routing Schedule, wire fill, and number of conduits are based on the best information available. It is the Contractor’s responsibility to modify the conduit schedule based upon Shop Drawings for the actual equipment. Such modifications in conduit sizes and numbers of conductors shall be at no additional cost to the Owner and shall be approved by Owner, if such changes are the direct result of the equipment selected by the Contractor. A copy of the Conduit and Wire Routing Schedule and Electrical plans showing conduit routing shall be updated weekly by the Contractor. Progress payments will be withheld if during monthly checks it is found that the contractor fails to maintain the Conduit Schedule updates.

F. Electrical & instrumentation, conduit & wire lengths shown on circuit Drawings are approximate and do not show changes in elevation or vertical risers. The Contractor is responsible for determining actual lengths for bidding and installation purposes.

G. All equipment shall be installed and located so that it can be readily accessed for operation and maintenance. The Engineer reserves the right to require minor changes in location of equipment, without incurring any additional costs. These minor changes are changes which would provide adequate clearance and work areas in front of and around equipment.

H. Where conduits are shown as "home runs" on the Contract Drawings or stated to be furnished, but not explicitly shown as part of the scope of work, the Contractor shall provide all fittings, boxes, wiring, etc., as required for completion of the raceway system in compliance with the NEC and the applicable Specifications in this Section.

I. No changes from the Contract Drawings or Specifications shall be made without written approval of the Engineer. Should there be a need to deviate from the Contract documents, submit written details and reasons for all changes to the Engineer for review within thirty days after the award of the contract.

J. The resolution of conflicting interpretation of the Contract documents shall be as determined by the Engineer.

K. The Contractor shall maintain a separate set of neatly and accurately marked set of Record Documents, consisting of spreadsheets, specifications and full size Electrical (E-Series). These documents are to be used specifically for recording the as built locations and layout of all electrical and instrumentation equipment, routing of raceways, junction and pull boxes, and other diagram or document changes. These Record documents shall be kept up-to-date during the progress of the job, with all "change orders", submittal modifications, and construction changes shown and stamped with “As-Built” at end of job. These Record documents shall not be used for daily construction use and shall not contain any mark-ups that are unrelated to as-built corrections.

1. The following lists the record documents that shall be as-built by Contractor:

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a. E-Series Drawings.
b. Panelboard schedules.
c. Conduit and Wire Routing Schedule.
d. Lighting Schedule.

3. Record documents shall be kept current weekly with all "change orders", submittal modifications, and construction changes shown. Record Documents shall be subject to the inspection by the Engineer at all times, progress payments or portions thereof may be withheld if Record Documents are not accurate or current.

4. When documents are changed, they shall be marked with erasable colored pencils using the following coloring scheme:
a. Additions - red.
b. Deletions - green.
c. Comments - blue.
d. Dimensions - black.

5. Show the following on the Electrical (E-Series) Record Contract Drawings by dimension from readily obtained base lines:
a. Exact location, type and function of electrical and instrumentation equipment and devices.
b. Precise routing and locations of underground conduits, duct banks, vaults, pullboxes, junction boxes, etc. that make-up the raceway system. c. Show the dimensions, location and routing of electrical work which will become permanently concealed.
d. Show complete routing and sizing of any significant revisions to the systems shown.

6. Prior to acceptance of the work, the Contractor shall deliver to the Engineer one set of record fullsize Electrical Record Contract Drawings and spreadsheets neatly marked accurately showing the information required above.

1.06 SUBMITTAL AND DRAWING REQUIREMENTS
A. Provide electrical and instrumentation submittals per Section 260503 - Electrical and Instrumentation Submittal Requirements and Submittals.

1.07 COORDINATION
A. The Contractor shall coordinate the electrical work with the other trades, code authorities, utilities, and the Engineer, with due regard to their work, towards promotion of rapid completion of the project. If any cooperative work must be altered due to lack of proper supervision of such, or failure to make proper provisions, then the Contractor shall bear expense of such changes as necessary to be made in the work of others.

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B. The Contractor shall examine the architectural, mechanical, structural, electrical, and instrumentation equipment provided under other Sections of this Contract in order to determine the exact routing and final terminations for all conduits and cables. The exact locations and routing of cables and conduits shall be governed by structural conditions, physical interferences, and the physical location of wire terminations on equipment. Conduits shall be stubbed up as close as possible to equipment terminals.

C. Manufacturer's directions and instructions shall be followed in all cases when they have more restrictive requirements than that shown on the Contract Drawings or have stipulations in order to meet warranty requirements.

1.08 SUPERVISION
A. The Contractor shall schedule all activities, manage all technical aspects of the project, coordinate submittal and Drawings, and attend all project meetings associated with this Section.

B. The Contractor shall supervise all work in this Section, including the Contractor’s general construction work, and System Supplier’s work, from the beginning to completion and final acceptance.

C. The Contractor shall supervise and coordinate all work in this Section to insure that each phase of the project, submittal, delivery, installation, and acceptance testing, warranty, etc., is completed within the allowable scheduled time frames.

D. The Contractor shall be responsible for obtaining, preparing, completing, and furnishing all paper work for this Section including that of the Contractor and the System Supplier, which shall include transmittals, submittal, forms, documents, manuals, instructions, and procedures.

E. Electrical Construction Supervision:

1. Prior to the start of any project site installation, the Contractor shall provide the Owner with an expected manpower schedule as well as a list of applicable job site supervision personnel, their scheduled job site appearance, and the expected duration of their presence on the job site. Include in this manpower schedule the calculation of average manhour per month for the duration of electrical labor phase.

2. When the Electrical Labor exceeds an average of 2,000 man-hours/month the Contractor shall have an office clerk on site for the duration of the construction work to order, follow up and receive materials, handle construction payroll, maintain the Construction Documents, and handle or assist the working foreman/superintendent with responsibility not directly related to the installation of the electrical equipment.

3. The Contractor shall have a dedicated Project Manager in addition to the Office Clerk described above, on site for the duration of the construction work. The Project Manager shall have complete authority and responsibility for carrying out all aspects of the Contract with the Owner.

4. The Contractor shall provide a foreman for each six (6) installation labor electricians. A Job Site Superintendent shall be provided at the discretion of the Contractor unless the project falls behind schedule. If the project falls behind schedule, the Owner can direct the Contractor to provide a non-working Superintendent who must remain with the project a

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minimum of the next two (2) project schedule deadlines.

1.09 INSPECTIONS
A. All work or materials covered by the Contract documents shall be subject to inspection at any and all times by the Engineer. If any material does not conform to the Contract documents, or does not have an "approved" or "approved as noted" submittal status; then the Contractor shall, within three days after being notified by the Engineer, remove the unacceptable material from the premises; and if said material has been installed, the entire expense of removing and replacing same, including any cutting and patching that may be necessary, shall be borne by the Contractor.

B. Work shall not be closed in or covered over before inspection and approval by the Owner’s Resident Engineer. All costs associated with uncovering and making repairs where noninspected work has been performed shall be borne by the Contractor.

C. The Contractor shall cooperate with the Owner and provide assistance for the inspection of the electrical system under this Contract. The Contractor shall remove covers, provide access, operate equipment, and perform other reasonable work which, in the opinion of the Engineer, will be necessary to determine the quality and adequacy of the work.

D. Before request for final inspection is made, the Contractor shall submit to the Owner in writing, a statement that the Contractor has made his own thorough inspection of the entire project enumerating punch list items not complete and that the installation and testing is complete and in conformance with the requirements of this Division.

E. The Owner may arrange for a facility inspection by Cal-OSHA Consultation Service at any time. The Contractor shall make the necessary corrections to bring all work in conformance with Cal-OSHA requirements, all at no additional cost to the Owner.

F. Contractor will be Responsible for any Additional Cost for Overtime, Weekend Overtime or Differential Time, Expenses for Inspection of Defective Work that has to be Reinspected.

1.10 JOB CONDITIONS
A. The Contractor shall make all arrangements and pay the costs thereof for temporary services required during construction of the project, such as temporary electrical power and telephone service. Upon completion of the project, remove all temporary services, equipment, material, and wiring from the site as the property of the Contractor.

B. The Contractor shall provide adequate protection for all equipment and materials during shipment, storage, and construction. Equipment and materials shall be completely covered with two layers of plastic and set on cribbing six inches above grade so that they are protected from weather, wind, dust, water, or construction operations. Equipment shall not be stored outdoors without the approval of the Owner. Where equipment is stored or installed in moist areas, such as unheated buildings, provide an acceptable means to prevent moisture damage, such as a uniformly distributed heat source to prevent condensation.

C. The elevation of the project site is approximately 870 feet above sea level. All equipment shall be derated as recommended by the manufacturer or in accordance with ANSI C37.30.

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D. The normal, unconditioned ambient temperature range of the job site will vary between10° to 110 °F. All equipment shall be rated to operate at continuous full load under these temperature ranges. Any additional provisions for cooling or heating shall be provided to meet these requirements at no additional cost.

1.11 OPERATION AND MAINTENANCE MANUALS
A. Operation and maintenance manuals covering instructions and maintenance on each type of equipment shall be furnished per Section 26 01 26 - Electrical and Instrumentation Operations and Maintenance Data.

PART 2 MATERIALS

2.01 QUALITY
A. It is the intent of the Contract Specifications and Drawings to secure the highest quality in all materials and equipment in order to facilitate operation and maintenance of the facility. All equipment and materials shall be new and the products of reputable suppliers have adequate experience in the manufacture of these particular items. For uniformity, only one manufacturer will be accepted for each type of product.

Provide the manufacturer’s latest design that conforms to these Specifications.

B. All equipment shall be designed for the service intended and shall be of rugged construction, of ample strength for all stresses which may occur during fabrication, transportation, erection, and continuous or intermittent operation. All equipment shall be adequately stayed, braced, and anchored, and shall be installed in a neat and workmanlike manner. Appearance and safety, as well as utility, shall be given consideration in the design of details. All components and devices installed shall be standard items of industrial grade, unless otherwise noted, and shall be of sturdy and durable construction suitable for long, trouble-free service. Light duty, fragile, and competitive grade devices of doubtful durability shall not be used.

C. Products that are specified by manufacturer, trade name, or catalog number, establish a standard of quality and do not prohibit the use of approved equal of other manufacturers. However, all provided products specified or not, must be favorably reviewed and approved by the Engineer prior to installation.

D. Underwriter’s Laboratories (UL) listing is required for all substituted equipment when such a listing is available for the first named equipment.

E. When required by the Contract Specifications or requested by the Engineer, the Contractor shall submit equipment or material samples for test or evaluation. The samples shall be furnished with information as to their source and prepared in such quantities and sizes as may be required for proper examination and testing, with all freight and charges prepaid. All samples shall be submitted before shipment of the equipment or material to the job site and in ample time to permit the making of proper tests, analyses, examinations, rejections, and resubmissions before incorporated into the work.

F. It is the System Supplier’s responsibility to visit jobsite to collect and document existing equipment MCC device part numbers in order for all similar called out new equipment to match existing.

2.02 COMPONENTS
A. SWITCHES AND LIGHTS
B. Relays and Timers:

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1. General: Relays and timers shall be provided with N.O. or N.C. contacts as shown on the Contract Drawings. All spare contacts shown shall be provided. A minimum of two isolated form C contacts, shall be provided on each timer or relay. Contacts shall be rated 10 amps minimum at 120 VAC, 60 Hz unless otherwise stated. Supply power or coil voltage shall be 120 VAC unless otherwise shown on the Contract Drawings or when relay is utilized in 24VDC control circuits.

Relays and timers shall be designed for continuous duty. All relays shall be UL listed. The following is a summary of abbreviations associated with relays and timers:
a. CR- control relay
b. ISR - intrinsic safe relay
c. PFR - power fail relay
d. TR - time delay relay
e. TDOE - time delay on energization
f. TDOD - time delay on dropout

2. Control relays (CR) shall be plug-in type with clear see-through sealed or enclosed housing to exclude dust. Contact material shall be silver cadmium oxide. Relay shall be rated for 110% of rated voltage and have a frequency response of 1800 operations per hour.

Sockets for plug-in relays shall be standard industrial 8 or 11 blade type with barrier pressure screw terminals. Provide relay energized neon lamp or LED (inside relay case). Provide IDEC type RH, Potter and Brumfield, or approved equal.

C. Circuit Breakers:

1. Circuit breakers shall be of the indicating type, providing ON, OFF and TRIPPED positions of the operating handle. Circuit breakers shall be quick-make, quick-break, with a thermal-magnetic (TM) action, except when protecting motor feeders where motor circuit protector (MCP) breakers with adjustable magnetic trip shall be used. Circuit breakers shall be the bolted on type. The use of tandem or dual circuit breakers in a normal single-pole space to provide the number of poles or spaces specified are not acceptable. All multiple-pole circuit breakers shall be designed so that an overload on one pole automatically causes all poles to open. Circuit breakers and motor circuit protectors shall be manufactured by GE, Cutler-Hammer, ITE, or approved equal.

2. Breakers shall be sized and have a minimum interrupting capacity as shown on Drawings and as required for the supplied equipment.

3. Breakers requiring GF trip on E-Series Drawings shall be provided with breakers with integral ground fault trip.

4. Thermal magnetic circuit breakers with frames 250A and above shall be provided with removable interchangeable trip units.

5. Breaker for HVAC equipment shall have HACR rating.

6. All breakers shall be supplied with the correct sized copper only lugs for wire sizes as listed in “Conduit & Wire Routing Schedule”. Provide larger frame breaker or lug adapters as necessary when connecting to the listed oversized wire.

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D. Motor Starters:

1. Motor starters (M) shall be as shown on the Drawings. NEMA sizes shall be as required for the horsepower of the supplied equipment. Contactors shall be UL rated and listed.

2. Auxiliary contacts shall be provided as shown on the Drawings or as required. Each motor starter shall be furnished with a minimum of two spare auxiliary contacts in excess from those shown to be used. Auxiliary contacts shall be convertible, in the field, from normally open to normally closed, or vice versa.

3. Starters shall have adjustable overload relays. Adjustable overload relays shall be adjustable for trip point and for automatic or manual reset. Each overload shall be ambient compensated with a visible trip indicator. Each overload shall be ambient compensated and shall trip on 600% of full load current in less than 6 seconds. Each overload relay shall have a test trip pushbutton built-in and an adjustable calibrated trip with indicating dial. Three-phase starters shall have 3 overload relays. Each overload relay shall have a normally closed holding contact and a normally open isolated contact for overload shutdown.

E. Control Power Transformer:

1. Control power transformer (CPT) shall be provided with a time-delay, slow-blow secondary fuse rated to protect the transformer and interrupt 10,000 amperes at 120VAC. Two primary fuses for interrupt amperes shown on Contract Drawings shall be provided. Transformer size minimum ratings shall be as shown on Contract E-Series Drawings. When size is not shown on Eseries Contract Drawings, then the following lists the minimum control power transformer per NEMA Starter size or VFD/Soft Starter size:

CONTACTOR CTRL PWR XFMR

NEMA SIZE VA RATING

STARTER
SIZE 00 150
SIZE 0 150
SIZE 1 150
SIZE 2 150
SIZE 3 250
SIZE 4 250
SIZE 5 250

2. The MCC supplier shall increase the CPT size by the VA rating of the motor heater when motors have heaters.

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F. Elapsed Time Meters:

1. Elapsed time meters (ETM) for general use shall be nonresettable with 0.0 to 99,999.9 hour readout, permanently lubricated synchronous motor drive, nominal 2-1/2” circular two-hole surface front panel mount housing, screw terminals, and rated at 120 VAC, at 60 Hz. Elapsed time meters shall be Stemco-Engler Series, 710-0002, Yokogawa, or approved equal.

2.03 ELECTRICAL ENCLOSURES AND BOXES
A. Enclosures to be NEMA rated per Indexes with fast access door latches. Enclosure construction shall be 14 gauge minimum with continuously welded seams. Outer door shall have provisions for locking enclosure with standard padlock. Provide white backpan in each box. Provide thermoplastic data pocket mounted on inside door. Provide enclosures with accessories consisting of breaker to disconnect incoming power, padlockable disconnect for breakers used in circuits above 120VAC, heater, fan, removable metal filters, louvers, and thermostats. Enclosure shall be Hoffman, Circle AW, or approved equal.

2.04 MOTOR CONTROL PANELS
A. Provide motor control panels with padlockable main disconnect, motor circuit protector (MCP), auxiliary contacts for remote SCADA monitoring, control power transformer, elapsed time meter (ETM), HOA selector switch, reset pushbutton, starter with motor overloads, terminal blocks, relays, and interlocks as shown on Contract Drawings.

B. Motor controls shall be mounted on a backpan and installed in a NEMA rated enclosure. Enclosure shall have a padlockable disconnect switch for locking out pump operation and controls.

C. Motor control panel shall be Siemens, or approved equal.

2.05 SAFETY LOCKOUTS
A. Safety lockouts per subsection 3.08.

PART 3 EXECUTION

3.01 WORKMANSHIP
A. All work in this Section shall conform to the codes and standards outlined herein.

B. The Contractor shall employ personnel that are skilled and experienced in the installation and connection of all elements, equipment, devices, instruments, accessories, and assemblies. All installation labor shall be performed by qualified personnel who have had experience on similar projects. Provide first class workmanship for all installations.

C. The Contractor shall ensure that all equipment and materials fit properly in his installations.

D. The Contractor shall perform any required work to correct improper installations at no additional expense to the Owner.

E. The Engineer reserves the right to halt any work that is found to be substandard or being installed by unqualified personnel.

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F. All cutting and notching shall be laid out carefully in advance. Do not notch any structural member or building surface without specific approval from the Engineer. Carefully carry out any cutting, channeling, chasing, or drilling of floors, walls, partitions, ceilings, paving, or other surfaces required for the installation, support, or anchorage of conduit, raceways, or other electrical materials and equipment. Following such work, restore surfaces neatly to new condition using skilled craftsmen of the trades involved. Refinish damaged surfaces to new condition using skilled craftsmen of the trades involved at no additional cost to the Owner.

G. Keep the premises free from accumulation of waste material or rubbish on a daily basis. Upon daily completion of work, remove materials, scraps, and debris from the premises and from the interior and exterior of all devices and equipment.

H. All equipment installed by the Contractor shall be in accordance with the Drawings and the manufacturer's recommendations and instructions and shall operate to the Engineer's satisfaction. Follow all manufacturer’s instructions for handling, receiving, installation, and pre-check requirements prior to energization. After energization, follow manufacturer’s instructions for programming, set-up and calibration of equipment. The Contractor shall be responsible for, and shall correct by repair or replacement, at his own expense, equipment which, in the opinion of the Engineer, has been caused by faulty mechanical or electrical assembly by the Contractor. Necessary tests to demonstrate that the electrical and mechanical operation of the equipment is satisfactory and meets the requirements of these Specifications shall be made by the Contractor at no additional cost to the Owner.

I. The Contractor shall vacuum clean the interior of all motor control centers, panelboards, junction boxes and other enclosures supplied under this project containing electrical equipment to remove all dirt, metal chips, stripped insulation, etc., from the enclosure. This cleaning shall be done prior to energizing the device initially and a second time immediately prior to the final acceptance inspection.

3.02 CONSTRUCTION METHODS, GENERAL
A. All wiring shall be neatly bundled and laced with plastic tie-wraps, anchored in place by screw attached retainer. Where space is available, such as in electrical cabinets, all wiring shall be run in slotted plastic wireways or channels with dust covers. Wireways or channels shall be sized such that the wire fill does not exceed 50%. Wires carrying 100 volts and above shall be physically separated from lower voltage wiring by using separate bundles or wireways with sufficient distance to minimize the introduction of noise, crossing only at 90 degree angles. Tie-wraps shall be T&B TY-RAP’s, Panduit, or approved equal.

B. Where wiring crosses hinged surfaces, provide a "U" shaped hinge loop protected by plastic spiral wrap.

The hinge loop shall be of sufficient length to permit opening and closing the door without stressing any of the terminations or connections.

C. Wireways, retainers, and other devices shall be screw-mounted with round-head 316 stainless steel screws. Glue or sticky back attachment of any type or style shall not be used.

D. All devices and wiring shall be installed and permanently labeled and secured in accordance with Section 26 05 02 and Section 26 28 13.

E. All components associated with a particular compartment’s or enclosure's function shall be mounted in that compartment or enclosure.

F. Spacing and clearance of components shall be in accordance with UL, JIC, and NEC standards.

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G. Wires shall not be spliced except where shown. Devices with pigtails, except lighting fixtures, shall be connected at terminal blocks. Equipment delivered with spliced wires shall be rejected and the Contractor required to replace all such wiring, at no additional cost to the Owner.

H. Where splices are allowed or approved by the Engineer they shall conform with the following:

1. Splices of #10 and smaller, including fixture taps, shall be made with nylon self-insulated twist on wire joints; T&B “Piggys”, Panduit, or approved equal. Twist shall be UL listed for service voltage.

2. Splices of #8 and larger shall be double crimped splices, or approved equal, insulated with heat shrink tubing, or approved equal.

3. Splices in underground pullboxes shall be insulated and moisture sealed with 3M “Scotchcast” cast fast curing epoxy powdered resin splice kits. Kits used shall have a date marking for shelf life that is not expired. Kit shall be UL listed for electrical insulating systems.

4. Wire splicing devices shall be sized according to manufacturer's recommendations.

5. Tape on splices shall not be allowed.

6. Splices for motor leads shall be made with T&B MSC series splice kit, or approved equal.

I. Tapes shall conform to the requirements of UL 510 and be rated: 105 °C, 600V, flame retardant, hot and cold weather resistant. Vinyl plastic electrical tape shall be 7 mile black. Phase tape shall be 7 mil vinyl plastic, color coded as specified. Electrical insulation putty shall be rubber based, elastic putty in tape form. Varnished cambric shall not be used.

J. Connections to terminals shall be as follows:

1. Use connector or socket type terminals furnished with component.

2. Connections to binding post screw, stud, or bolt use:
a. For #10 and smaller wire, T&B “STA-KON”, Buchanan “Termend”, or approved equal self-insulated locking forked tongue lug, de-burred, electrotin plating with flat bottom box. b. For #8 to #4/0 wire, T&B “Locktite”, Burndy QA lug of shape best suited with code copper conductor (for 600V).

3. Use ratchet type crimping tool which does not release until proper crimp pressure has been applied.

4. Connections for all terminals shall be made with insulation stripped per manufacturer's instructions.

K. Equipment shall be wired and piped by the manufacturer or supplier. Major field modifications or changes are not allowed without the written "change order" authority by the Engineer. When field changes are made, the components, materials, wiring, labeling, and construction methods shall be identical to that of the original supplied equipment. Contractor's cost to replace or rework the equipment to match original manufacturer or supplier methods shall be done at no additional cost to the Owner.

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L. Mating fittings, bulkhead fittings, plugs, connectors, etc., required to field interface to the equipment and panels shall be provided by the supplier when the equipment is delivered.

M. All electrical and instrumentation Drawings associated with the equipment shall be provided with the equipment when it is delivered to the job site. Drawings for each piece of equipment shall be placed in clear plastic packets of sufficient strength that will not tear or stretch from drawing removal and insertion.

3.03 EQUIPMENT FABRICATION, GENERAL
A. Panel cutouts for devices (i.e., indicating lights, switches) shall be cut, punched, or drilled and smoothly finished with rounded edges. Exposed metal from cutouts that are made after the final paint finish has been applied shall be touched up with a matching paint prior to installing device. Do not paint nameplates, labels, tags, switches, receptacles, conductors, etc.

B. All doors shall be fully gasketed with nonshrinkable, water and flame resistant material.

C. Bolts and screws for mounting devices on doors shall be as specified by the manufacturer, otherwise they shall have a flush head which blends into the device or door surface. No bolt or screw holding nuts shall be used on the external surface of the door.

D. No fastening devices shall project through the outer surfaces of equipment.

E. Each component within the equipment shall be securely mounted on an interior subpanel or backpan and arranged for easy servicing, such that all adjustments and component removal can be accomplished without removing or disturbing other components. Mounting bolts and screws shall be front located for easy access and removal without special tools. Access behind the sub panel or backpan shall not be required for removing any component.

F. A ground bus shall be provided in each enclosure or cabinet. It shall have provisions for connecting a minimum of ten grounding conductors. Screw type lugs shall be provided for connection of grounding conductors. All grounding conductors shall be sized as shown on plans or in accordance with NEC Table 250-122, whichever is larger.

G. Minimum wire bending space at terminals and minimum width of wiring gutters shall comply with NEC Tables 312-6 (A) and (B).

H. Wire sizes shall not be installed smaller than those shown in NEC Article 310 for each circuit amperage rating.

I. Future device and component mounting space shall be provided on the door, backpan, and subpanel where detailed on the Drawings. Where no detail is shown, provide a minimum of 15 percent usable future space.

J. Doors shall swing freely a minimum of 90° and close with proper alignment.

K. All control, power, and signal wires inside enclosures shall be run in separate plastic wireways.

Wireways shall not be filled over 50% capacity.

3.04 DELIVERY

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A. Contractor shall inspect each electrical and instrumentation item delivered to the jobsite.

B. Contractor shall unpack each item for inspection within two (2) days of arrival.

C. Complete written inventory shall be produced by Contractor and submitted to Owner within (2) days after arrival on jobsite for record keeping prior to any payment for the item.

3.05 DAMAGED PRODUCTS
A. Damage products will not be accepted. All damaged products shall be replaced with new products.

3.06 FASTENERS
A. Fasteners for securing equipment to walls, floors, and the like shall be stainless steel. The minimum size fastener shall be 3/8-inch diameter. Layout to maintain headroom, neat mechanical appearance, and to support equipment loads required
B. Anchor Methods:

1. Hollow Masonry: Sleeve type anchors.

2. Solid Masonry: Sleeve type anchors or epoxy anchors bolts.

3. Metal Surfaces: Machine screws, bolts, or welded studs.

4. Concrete Surfaces: Wedge or expansion anchors.

5. Structural Steel: Right angle, parallel and edge type rigid metal clamps. Do not weld or drill structural steel.

C. Equipment Mounting:

1. The Contractor shall be responsible for furnishing and setting all anchor bolts required to install his equipment.

2. Electrical equipment shall be unistrut “stand off” mounted a minimum of ½ - inch from the wall in a manner so that the rear of the equipment is freely exposed to air circulation. Unistrut, anchors and fasteners shall be 316 stainless steel in NEMA 4X areas and galvanized in non-NEMA 4X areas unless called out specifically in details.

3. All equipment enclosures shall be of the NEMA classification noted on the electrical plan Drawings for the area in which the device will be mounted.

4. Reinforced concrete pad with stainless steel anchor bolts shall be provided for each electrical freestanding equipment.

D. Dissimilar metals such as aluminum, stainless steel, steel, galvanized steel between enclosures, devices, etc. and mounting surfaces shall be isolated from each other using insulated tape or nonmetal spacers. Tape and spacers used shall be specifically manufactured for this application.

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3.07 INSTALLATION, GENERAL
A. System:

1. Install all products per manufacturer's recommendations and the Drawings.

2. Provide relays, signal converters, isolators, boosters, and other miscellaneous devices as required.

3. Change normally open contacts to normally closed contacts or visa versa.

4. Adding additional relays to provide more contacts as necessary.

5. Keep a copy of the manufacturer’s installation instructions on the jobsite available for review at all times prior to and during the installation of the associated equipment.

B. Panels and Enclosures:

1. Install panels and enclosures at the location shown on the Drawings or approved by the Engineer.

2. Install level and plumb.

3. Seal all enclosure openings to prevent entrance of insects and rodents.

4. All conduits entering outdoor panels and enclosures shall use watertight hubs. These hubs shall be located on sides or bottom only. Top entry of outdoor panels or enclosures is not allowed unless specifically shown on plans.

5. Clearance about electrical equipment shall meet the minimum requirements of NEC 110-26 C. Wiring, Grounding, and Shielding:

1. Wiring inside and outside equipment shall be installed per Section 26 28 13.

2. It is important to observe good grounding and shielding practices in the generally noisy environment in this application. The shield of shielded cables shall be terminated to ground at one end only, the originating panel. The shield at the other end shall be encased in an insulated material to isolate it from ground.

3. Special cables shall be provided when required by manufacturer or necessary to correct noise or distortion interference at no additional cost to Owner.

4. Field wiring shall not begin until interconnection drawings have been submitted by the Contractor and approved by the Engineer, per Section 26 05 03.

D. Cutting and Patching:

1. The Contractor shall do all cutting and patching required to install his work. Any cutting which may impair the structure shall require prior approval by the Engineer. Cutting and patching shall be done only by skilled labor of the respective trades. All surfaces shall be restored to their original condition after cutting and patching.

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E. Seals:

1. Seal around all conduits, wires, and cables penetrating between walls, ceilings, and floors in all buildings with a fire stop material. Seal shall be made at both ends of the conduit with a fire stop putty. Seal shall have a minimum two hour rating. Fire stop sealing shall be International Protective Coatings Flamesafe, or approved equal.

2. Seal around conduits entering outside to inside structures and around bottom of free standing enclosures to maintain watertight integrity of structure.

3. Place conduit seal inside each underground conduit riser into panels and enclosures to prevent entrance of insects and rodents.

F. Cleaning and Touch up:

1. Prior to startup and at the completion of the work prior to final acceptance, all parts of the installation, including all equipment, exposed conduit, devices, and fittings shall be cleaned and given touch up by Contractor as follows:
a. Remove all grease and metal cuttings.
b. Any discoloration or other damage to parts of the building, the finish, or the furnishings, shall be repaired.
c. Thoroughly clean any of his exposed work requiring same. d. Vacuum and clean the inside of all MCC and electrical and instrumentation enclosures.
e. Clean all above and below ground pull boxes, junction boxes, and vaults from all foreign debris prior to final acceptance.
f. Paint all scratched or blemished surfaces with the necessary coats of quick drying paint to match adjacent color, texture, and thickness. This shall include all prime painted electrical equipment, including enclosures, panels, poles, boxes, devices, etc.

3.08 SAFETY LOCKOUTS
A. Contractor shall provide safety lockout tags on the breakers for all MCCs and Panelboards and other electrical enclosures. Safety tags shall not be the same as those used by the Owner.

All padlocks used for this purpose shall be keyed differently from any of the Owner’s padlocks.

Padlocks shall remain in place by the Contractor until operation of the portion of work is turned over to the Owner with the responsibilities noted on the acceptance form.

B. The following is the procedure for transferring each portion of work over to the Owner prior to completion of the entire project:

1. Contractor shall inform the Owner when a portion of the work is complete, ready for inspection and available to be placed into operation.

2. The Owner will schedule the inspection and substantiate that the work is complete and operational.

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3. The Contractor will correct any deficiencies.

4. The Owner will prepare a Partial Utilization form in which that portion of the project will be turned over the Owner with the responsibilities noted on the acceptance form. The Contractor then shall remove his safety lockouts and tags.

C. Safety lockout tags shall be rigid vinyl with write-on surface and brass grommet. Safety tags shall be secured in place with cord of sufficient strength to prevent accidental removal or displacement. Lockout shall meet OSHA standard 1910.147 requirements. Safety lockouts shall be Panduit write-on Safety Tags, model PVT-98, or approved equal.

3.09 WARRANTY
A. The Contractor shall warrant all electrical and instrumentation equipment and software programming supplied under this Division 16 for a period of one (1) year from date of final acceptance. Standard published warranties of equipment which exceed the preceding specified length of time shall be honored by the manufacturer or supplier.

B. The Contractor shall provide all labor and material to troubleshoot, replace, or repair any hardware or software that fails or operates improperly during the warranty period, at no additional cost to the Owner.

C. The System Supplier shall have a staff of experienced personnel available to provide service on a two (2) working day notice during the warranty period. Such personnel shall be capable of fully testing, programming and diagnosing the hardware and software delivered; and of implementing corrective measures.

D. If the System Supplier fails to respond in two (2) working days, the Owner at its option will proceed to have the warranty work completed by other resources; the total cost for these other resources shall be reimbursed in full by the Contractor. The use of other resources, as stated above, shall not change or relieve the Contractor or supplier from fulfilling the remainder of the warranty requirements.

E. Each time the System Supplier's repair person responds to a system malfunction during the warranty period, he or she must contact the designated Owner maintenance supervisor for scheduling of the work, access to the jobsite, and permission to make repairs. Operation of facilities necessary to test equipment shall only be performed by or under the direction of the Owner Staff. The Owner reserves the right at its sole discretion to deny operations requested by the System Supplier. A written description of all warranty work performed shall be documented on a field service report to be given to Owner prior to the repair person leaving job site each day. This field service report shall detail and clearly state problem, corrective actions taken, additional work that needs to be done, data, repair person name and company.

F. Prior to "final acceptance", the Contractor shall furnish to the Engineer a listing of warranty information for all manufacturers of materials, instruments, and equipment used on the project. The listing shall include the following:

1. Manufacturer's name, service contact person, phone number, and address.

2. Material and equipment description, equipment number, part number, serial number, and model number.

3. Manufacturer’s warranty expiration date.

3.10 FINAL ACCEPTANCE

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A. Final acceptance will be given by the Owner after the equipment has passed the "final acceptance trial period", each deficiency has been corrected, final documentation has been provided, and all the requirements of design documents have been fulfilled.

B. Upon completion of the project, prior to final acceptance, remove all temporary services, equipment, material, and wiring from the site.

C. At the end of the project, following the completion of the field tests, and prior to final acceptance, the Supplier shall provide the following to the Owner:

1. A listing of warranty information.

2. Each "operation and maintenance" manual shall be modified or supplemented by the Supplier to reflect all field changes and as-built conditions.

D. Prior to final acceptance submit each key with matching duplicate. Wire all keys for each lock securely tog sether. Tag and plainly mark with lock number or equipment identification, and indicate physical location, such as panel or switch number.

END OF SECTION

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SECTION 311100 SITE DEMOLITION
PART 1 - GENERAL
A. Description

1. This section describes the work included in demolition and removal of existing items as required to prepare the site for construction operations. This includes a. Removal of Existing Piping and Structures
b. Removal of Existing Asphalt and Concrete Pavement
c. Removal of Existing Chain-Link Fencing
d. Clearing, stripping, grubbing, and preparing the project site for construction operations. e. Removal of additional appurtenances required to construct the proposed improvements, not specifically described herein.

B. Related Work Specified Elsewhere

1. Protecting Existing Underground Utilities: 020120.

2. Earthwork: 312300.

3. Trenching, Backfilling, and Compacting: 312316.

PART 2 - MATERIALS
A. (Not Used)
PART 3 - EXECUTION
A. Pavement Removal

1. Initially cut asphalt concrete pavement with pneumatic pavement cutter or other equipment at the limits of the excavation and remove the pavement. After backfilling the excavation, saw cut asphalt concrete pavement to a minimum depth of 2 inches at a point not less than 9 inches outside the limits of the excavation or the previous pavement cut, whichever is greater, and remove the additional pavement.

2. Sawcut concrete pavement, including cross gutters, curbs and gutters, sidewalks, and driveways, to a minimum depth of 1 1/2 inches at a point 1 foot beyond the edge of the excavation and remove the pavement. The concrete pavement may initially be cut at the limits of the excavation by other methods prior to removal and the saw cut made after backfilling the excavation. If the saw cut falls within 3 feet of a concrete joint or pavement edge, remove the concrete to the joint or edge.

3. Make arrangements for and dispose of the removed pavement.

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4. Final pavement saw cuts shall be straight along both sides of trenches, parallel to the pipeline alignment, and provide clean, solid, vertical faces free from loose material. Saw cut and remove damaged or disturbed adjoining pavement. Saw cuts shall be parallel to the pipeline alignment or the roadway centerline or perpendicular to same.

B. Clearing, Stripping, and Grubbing Areas and Limits

1. Clear, strip, and grub excavation and embankment areas associated with new structures, slabs, walks, roadways, and other areas where work is to be completed.

2. Limits of clearing, stripping, and grubbing:
a. Excavation, Excluding Trenches: Within the proposed right-of-way and temporary and permanent easements.
b. Earth Fill: To the proposed right-of-way line or limits of temporary and permanent easements.
c. Existing Pipelines and Concrete Structures: As shown on the drawings to be removed.

C. Disposal of Clearing and Grubbing Debris
Do not burn combustible materials. Remove cleared and grubbed material from the worksite and dispose.

D. Disposal of Strippings
Remove stripped material and dispose offsite.

E. Clearing

1. Remove and dispose of trees, snags, stumps, shrubs, brush, limbs, sticks, branches, and other vegetative growth. Remove rocks, tiles, and lumps of concrete. Remove all evidence of their presence from the surface. Remove and dispose of trash piles, rubbish, and fencing. Protect structures and piping above and below ground, trees, shrubs, and vegetative growth and fencing which are not designated for removal.

2. Remove and dispose of wood picket and rail fences outside of the right-of-way.

3. Clearing and grubbing shall also include the removal at pipe culverts, concrete structures, and other facilities designated on the drawings for removal, and removal and reconstruction of fences as described herein.

F. Stripping
Remove and dispose of organic sod, topsoil to a depth of 3 inches, grass and grass roots, and other objectionable material remaining after clearing from the areas designated to be stripped.

G. Grubbing
After clearing and stripping, remove and dispose of wood or root matter, including stumps, logs, trunks, roots, or root systems greater than 1 inch in diameter or thickness to a depth of 12 inches below the ground surface.

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Remove and dispose of trees, snags, stumps, shrubs, brush, limbs, sticks, branches, and other vegetative growth. Remove rocks, tiles, and lumps of concrete. Remove all evidence of their presence from the surface. Remove and dispose of trash piles, rubbish, and fencing. Protect structures and piping above and below ground, trees, shrubs, and vegetative growth and fencing which are not designated for removal. After clearing and stripping, remove and dispose of wood or root matter, including stumps, logs, trunks, roots, or root systems greater than 1 inch in diameter or thickness to a depth of 12 inches below the ground surface.

H. Miscellaneous Existing Features and Appurtenances
Confirm extents of removal of existing features such as fences, decorative walls, landscape features, private irrigation systems, gates, with Engineer prior to removal.

END OF SECTION

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SECTION 312300 EARTHWORK
PART 1 - GENERAL
A. Description
This section includes materials, testing, and installation of earthwork for excavations, fills, and embankments for roadways, structures, ditch excavation, dirt berms, and embankments at locations shown on the drawings and other excavation and embankment required to construct the work to the lines and grades shown on the drawings.

B. Related Work Specified Elsewhere

1. Protecting Existing Underground Utilities: 020120.

2. General Concrete Construction: 030500.

3. Site Demolition: 311100.

4. Trenching, Backfilling, and Compacting: 312316.

C. Submittals

1. Submit excavation and shoring drawings for worker protection in accordance with the General Provisions.

D. Testing for Compaction

1. The Owner will test for compaction and relative density as described below.

2. Determine the density of soil in place by the sand cone method, ASTM D1556 or by nuclear methods, ASTM D6938. Compaction tests will be performed for each lift or layer. If nuclear methods are used for in-place density determination, verify the accuracy with one sand cone, and one maximum laboratory dry density, for every five nuclear tests taken if the backfill material is processed fill or visually consistent. More sand cones and densities will be required if the backfill material is visually variable. The minimum depth for the sand cone test hole shall be 12 inches.

The minimum size shall be 8 inches, and size 16/30 or 10/20 silica sand shall be used.

3. Determine laboratory moisture-density relations of soils per ASTM D1557 or 6938. If nuclear methods are used for in-place density determination, the compaction test results for maximum dry density and optimum water content shall be adjusted in accordance with ASTM D4718. This will be required for determination of percent relative compaction and moisture variation from optimum.

4. Determine the relative density of cohesionless soils per ASTM D4253 and D4254.

5. Sample materials per ASTM D75.

6. "Relative compaction" is the ratio, expressed as a percentage, of the in-place dry density to the laboratory maximum dry density.

7. Compaction shall be deemed to comply with the specifications when no more than one test of any three consecutive tests falls below the specified relative compaction. The one test shall be

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no more than three percentage points below the specified compaction. The Contractor shall pay the costs of any retesting of work not conforming to the specifications.

8. The frequency of tests will be determined by the Owner’s Representative.

E. Disposal of Excess Materials
Excess site excavated or wasted material shall be disposed of offsite by the Contractor at his expense.

No prearranged disposal site or related permits have been determined or secured by the Owner.

F. Material Availability
Sufficient earthwork material to complete the work may not be available at the site. Secure source of material and permits to complete the project requirements.

G. Measurement and Payment
Payment for all the work in this section, exclusive of authorized overexcavation, shall be included as part of the price paid for the items of work described in the Measurement & Payment section of these Special Provisions.

H. Measurement and Payment for Authorized Overexcavation Measurement of the volume of material for payment of authorized overexcavation will be made by taking cross sections after excavation and calculating the volume using the average end area method. The Owner will measure and calculate the volume. The volume for payment will be the gross volume, up to the elevation of the finished earthwork subgrade. A change order will be made as described in the General Provisions based upon a unit price according to actual time and material volume of earthwork.

No payment will be made for unauthorized excavated and fill material exceeding the contract lines and grades.

PART 2 - MATERIALS
A. Type 2 Structural Backfill

1. Structural backfill is material that is to be placed adjacent to and around structures, below the roadway structural section, or to the finished surface at other locations.

2. Material from excavation shall be free from deleterious material, provided the compaction specified herein can be obtained.

3. Imported structural backfill material shall have a minimum sand equivalent greater than 30 per ASTM D2419.

4. When material other than from excavation is used for pipe backfill, the 12 inches immediately above the pipe zone shall be backfilled with native material from excavation.

B. Fill
Fill material is material that is to be placed in locations that are not to be constructed as structural fill or structural backfill. Fill material shall be native material compacted to meet the requirements specified herein.

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C. Sand, Including Imported Sand for Pipe Bedding Zone and in Pipe Trenches

1. Granular material free from clay balls, organic matter, and other deleterious substances and conforming to the following gradations:

Sieve Size Percent Passing By Weight
3/8 inch 100
No. 4 75 to 100
No. 30 12 to 50
No. 100 5 to 20
No. 200 0 to 10

2. Sand shall have a minimum sand equivalent of 30 per ASTM D2419.

D. Sand-Cement Slurry Backfill
Sand-cement slurry backfill shall consist of one sack (94 pounds) of Type I or II portland cement added per cubic yard of imported sand and sufficient water for workability.

E. Water for Compaction
Water shall be free of organic materials and shall have a pH of 7.0 to 9.0, a maximum chloride concentration of 500 mg/L, and a maximum sulfate concentration of 500 mg/L. Provide all water needed for earthwork. Provide temporary piping and valves to convey water from the source to the point of use.

Provide any meters if the water is taken from a city, water district, or agency pipeline.

PART 3 - EXECUTION
A. Dewatering
Provide and operate equipment adequate to keep excavations and trenches free of water. Dewater subgrade to a minimum of 1 foot below bottom of excavation. Remove water during period when concrete is being deposited, when pipe is being laid, and during the placing of backfill. Avoid settlement or damage to adjacent property. Dispose of water in a manner that will not damage adjacent property.

When dewatering open excavations, dewater from outside the structural limits and from a point below the bottom of the excavation.

B. Excavation

1. Excavations shall have sloping, sheeting, shoring, and bracing conforming with 29CFR1926 Subpart P-Excavations, CAL/OSHA requirements, and the General Provisions.

2. Excavation is unclassified. Perform excavation regardless of the type, nature, or condition of the material encountered to accomplish the construction. Do not operate excavation equipment within 5 feet of existing structures or newly completed construction. Excavate with hand tools in these areas.

3. After the required excavation has been completed, the Owner will observe the exposed subgrade to determine the need for any additional excavation. It is the intent that additional excavation is to be conducted in all areas within the influence of the structure where unacceptable subgrade

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materials exist at the exposed subgrade. Overexcavation shall include the removal of all such unacceptable material that exists directly beneath the structure or within a zone outside and below the structure defined by a line sloping at 1-horizontal to 1-vertical from 1 foot outside the edge of the footing. Refill the overexcavated areas with structural backfill material.

4. The Contractor will not receive any additional payment for refill material used for his convenience.

C. Limits of Foundation Excavation
Excavate to the depths and widths needed to accomplish the construction. Allow for forms, working space, structural backfill, and site grading. Unless unacceptable material is encountered and overexcavation is authorized by the Owner, backfill overexcavations with compacted structural backfill material. Correct cuts below grade by trimming benching cutting adjoining areas and creating a smooth transition. The Contractor shall bear all costs for correcting unauthorized overexcavated areas.

D. Preparation of Foundation Subgrade

1. The finished subgrade shall be within a tolerance of ±0.05 foot of the grade and cross section indicated, shall be smooth and free from irregularities, and shall be at the specified relative compaction. The subgrade shall extend over the full width and extend 1 foot beyond the edge of the paved roadway section.

2. Compact the top 12 inches of the subgrade to 95% relative compaction. Recompaction will not be required if rock is exposed at final subgrade.

3. Remove soft material encountered and replace with Type 2 structural backfill. Fill holes and depressions to the required line, grade, and cross sections with Type II structural backfill.

E. Preparation for Placing Fill or Backfill

1. After excavation of existing material or removal of unacceptable material at the exposed subgrade, scarify the final subgrade surface to a depth of 12 inches and compact to 95% relative compaction.

2. Remove foreign materials and trash from the excavation before placing any fill material. Obtain the specified compressive strength and finish of concrete work per Section 030500 before backfilling.

F. Placing and Compacting Fill and Structural Fill

1. Excavated material may be used for fill, except where pipe bedding and shading is required, and structural fill providing all deleterious materials have been removed from the stockpiled material.

2. Place in maximum 8-inch lifts and compact each lift to 95% relative compaction over the full width and 1 foot beyond the paved roadway.

3. Dirt berms shown on the plans shall be compacted to a minimum of 90% relative compaction.

G. Placing and Compacting Structural Backfill

1. Place structural backfill material around piping, structures, channels, and other areas, including authorized overexcavation areas, to the lines and grades shown or specified. Do not exceed loose lifts of 8 inches.

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2. Limits of Structural Backfill: Limits of structural backfill shall be 1.0 foot from edge of footing and shall extend at a 1:1 slope to the finish grade.

3. Compact each lift to 95% relative compaction under the paved roadway section, unless otherwise shown in the drawings. Stop structural backfill at least 6 inches below finished grade in all areas where topsoil is to be placed. Structure backfill outside the paved roadway shall be 90% relative compaction except in landscaped areas, where 85% is acceptable.

4. Backfill around concrete structures as specified in Section 030500.

5. Do not operate earthmoving equipment within 5 feet of walls of concrete structures. Place and compact backfill adjacent to concrete walls with hand-operated tampers or other equipment that will not damage the structure.

H. Moisture Control
During the compacting operations, maintain optimum practicable moisture content required for compaction purposes in each lift of the material. Maintain uniform moisture content throughout the lift.

Insofar as practicable, add water to the material at the site of excavation. Supplement by sprinkling the material. At the time of compaction, the water content of the material shall be at optimum water content or within 2 percentage points above optimum. Aerate material containing excessive moisture by blading, discing, or harrowing to hasten the drying process.

I. Site Grading
Perform earthwork to the lines and grades shown in the drawings. Shape, trim, and finish slopes of channels to conform to the lines, grades, and cross sections as shown. Remove exposed roots and loose rocks exceeding 3 inches in diameter. Round tops of banks to circular curves of not less than a 6- foot radius. Neatly and smoothly trim rounded surfaces. Do not overexcavate and backfill to achieve the proper grade.

END OF SECTION

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SECTION 312316 TRENCHING, BACKFILLING, AND COMPACTING
PART 1 - GENERAL
A. Description
This section includes materials, testing, and installation for pipeline, manholes, trench excavation, backfilling, and compacting as shown on the drawings and as specified herein.

B. Related Work Specified Elsewhere

1. Protecting Existing Underground Utilities: 020120.

2. General Concrete Construction: 030500.

3. Earthwork: 312300.

4. Asphalt Concrete Paving: 321216.

C. Submittals

1. Submit six copies of a report from a testing laboratory verifying that material contains less than 1% asbestos by weight or volume and conforms to the specified gradations or characteristics for pea gravel, granular material, imported sand, rock refill for foundation stabilization, and water.

2. Submit method(s) of compaction including removal sequence of shoring where used.

D. Testing for Compaction

1. The Owner will test for compaction as described in Section 312300.

2. Where compaction tests indicate a failure to meet the specified compaction, the Owner will take additional tests every 50 feet in each direction until the extent of the failing area is identified.

Rework the entire failed area until the specified compaction has been achieved.

E. Pipe Bedding Zone
The pipe bedding zone shall include the full width of trench from the bottom of the pipe or conduit to a horizontal level 12 inches above the top of the pipe.

F. Measurement and Payment

1. Payment for the work in this section shall be included as part of the unit price for pipe bid amount stated in the Proposal.

PART 2 - MATERIALS
A. Pea Gravel
Pea gravel shall be rounded gravel, containing less than 1% asbestos by weight or volume, graded with less than 10% passing a No. 200 sieve, less than 50% passing a No. 4 sieve, less than 25% passing a 3/8-inch sieve, and having a maximum particle size ½ inch.

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B. Granular Material for Backfill—Above Native Backfill Layer Granular material for backfill used above the native backfill layer shall be Class II aggregate conforming to the Caltrans Standard Specifications.

C. Native Earth Backfill
Native earth backfill used above the pipe bedding zone shall be excavated fine-grained materials free from roots, debris, rocks larger than 3 inches, asbestos, organic matter, clods, clay balls, broken pavement, and other deleterious materials.

D. Imported Sand--Pipe Bedding Zone
See Section 312300.

E. Gravel and Crushed Rock--Pipe Backfill
Gravel or crushed rock material shall contain less than 1% asbestos by weight or volume and conform to the requirements of the Caltrans Standard Specifications.

F. Sand-Cement Slurry Backfill--Pipe Bedding Zone
Sand-cement slurry backfill shall consist of one sack (94 pounds) of Type I or II portland cement added per cubic yard of imported sand and sufficient water for workability.

G. Rock Refill for Foundation Stabilization
Rock refill shall be Class 2 aggregate base or pea gravel containing less than 1% asbestos by weight or volume and complying with the Caltrans Standard Specifications.

H. Concrete for Pipe Encasement and Thrust Blocks

1. Concrete for unreinforced pipe encasement and thrust blocks shall be Class C per Section 030500, unless otherwise shown in the drawings.

2. See the details in the drawings for thrust block sizes and locations. Install thrust blocks based on the pipe diameters show in the drawings.

I. Water for Compaction
See Section 312300. Water shall be free of organic materials injurious to the pipe coatings.

J. Detectable Metallic Warning Tape for Non-Metallic Pipe

1. Plastic Warning Tape for Metallic Pipe: Use plastic tape with metallic pipe, e.g., steel and ductile iron. Provide permanent, bright-colored, continuous-printed plastic tape, intended for direct burial service, not less than 6 inches wide by 3.5 mils thick. Provide tape with printing which most accurately indicates type of service of pipe. Provide the following colored tape for the various piping services:

Service Color
Cable TV Orange
Chemical Yellow
Electric Red

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Fuel Oil, Gasoline Yellow

2. Detectable Metallic Warning Tape for Non-metallic Pipe: Use detectable metallic tape with nonmetallic pipe, e.g., VCP, PVC, ABS. Provide permanent, bright-colored, continuous-printed tape consisting of an aluminum or steel foil sheathed in a plastic laminate, not less than 2 inches wide by 3 mils thick. Provide tape with printing which most accurately indicates type of buried service.

Provide the following colored tape for the various piping services:

Service Color
Gas Yellow
Reclaimed Water Violet
Sewer Green
Telephone Orange
Water Blue
PART 3 - EXECUTION
A. Sloping, Sheeting, Shoring, and Bracing of Trenches
Trenches shall have sloping, sheeting, shoring, and bracing conforming with 29CFR1926, Subpart P-- Excavations, CAL/OSHA requirements, and the General Provisions.

B. Sidewalk, Pavement, and Curb Removal
Cut bituminous and concrete pavements regardless of the thickness and curbs and sidewalks prior to excavation of the trenches with a pavement saw or pavement cutter. Width of the pavement cut shall be at least equal to the required width of the trench at ground surface. Haul pavement and concrete materials from the site. Do not use for trench backfill.

C. Trench Excavation

1. Excavate the trench to the lines and grades shown in the drawings with allowance for pipe thickness, sheeting and shoring if used, and for pipe base or special bedding. If the trench is excavated below the required grade, refill any part of the trench excavated below the grade at no additional cost to the Owner with crushed rock, CDF or approved native material properly compacted. Place the refilling material over the full width of trench in compacted layers not exceeding 6 inches deep to the established grade with allowance for the pipe base or special bedding.

2. Trench widths in the pipe bedding Zone shall be as shown in the drawings. Comply with 29CFR Part 1926 Subpart P--Excavations. Trench width at the top of the trench will not be limited except where width of excavation would undercut adjacent structures and footings. In such case, width of trench shall be such that there is at least 2 feet between the top edge of the trench and the structure or footing.

D. Trench Excavation in Backfill and Embankment Areas

1. Construct and compact the embankment to an elevation of 1 foot minimum over the top of the largest pipe or conduit to be installed.

2. Excavate trench in the compacted backfill or embankment.

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E. Location of Excavated Material
During trench excavation, place the excavated material only within the working area. Do not obstruct any roadways or streets. Do not place trench spoil over pipe, buried utilities, manholes, or vaults.

Conform to federal, state, and local codes governing the safe loading of trenches with excavated material.

F. Length of Open Trench
Limit the length of open trench to the amount of pipe installed in one working day.

G. Dewatering
Provide and maintain means and devices to remove and dispose of water entering the trench excavation during the time the trench is being prepared for the pipelaying, during the laying of the pipe, and until the backfill at the pipe bedding zone has been completed. These provisions shall apply during both working and nonworking hours, including lunch time, evenings, weekends, and holidays. Dispose of the water in a manner to prevent damage to adjacent property and in accordance with regulatory agency requirements. Do not drain trench water through the pipeline under construction.

H. Foundation Stabilization

1. After the required excavation has been completed, the Owner will inspect the exposed subgrade to determine the need for any additional excavation. It is the intent that additional excavation be conducted in all areas within the influence of the pipeline where unacceptable materials exist at the exposed subgrade. Overexcavation shall include the removal of all such unacceptable material that exist directly beneath the pipeline to a width 24 inches greater than the pipe outside diameter and to the depth required.

2. Backfill the trench to subgrade of pipe base with rock refill material for foundation stabilization.

Place the foundation stabilization material over the full width of the trench and compact in layers not exceeding 6 inches deep to the required grade. Foundation stabilization work shall be executed in accordance with a change order.

3. Rock refill used by the Contractor for his convenience will not be cause for any additional payment.

I. Installing Buried Piping

1. Grade the bottom of the trench to the line and grade to which the pipe is to be laid, with allowance for pipe thickness. Remove hard spots that would prevent a uniform thickness of bedding. Place the specified thickness of pipe base material over the full width of trench. Grade the top of the pipe base ahead of the pipelaying to provide firm, continuous, uniform support along the full length of pipe, and compact to the relative compaction specified herein. Before laying each section of the pipe, check the grade and correct any irregularities.

2. Excavate bell holes at each joint to permit proper assembly and inspection of the entire joint. Fill the area excavated for the joints with the bedding material specified or indicated in the drawings for use in the pipe bedding zone.

3. Inspect each pipe and fitting before lowering the buried pipe or fitting into the trench. Inspect the interior and exterior protective coatings. Patch damaged areas in the field with material recommended by the protective coating manufacturer. Clean ends of pipe thoroughly. Remove foreign matter and dirt from inside of pipe and keep clean during and after installation.

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4. Handle pipe in such a manner as to avoid damage to the pipe. Do not drop or dump pipe into trenches under any circumstances.

5. When installing pipe, do not deviate more than 1/2 inch from line or 1/8 inch from grade. Measure elevation at the pipe invert.

6. After pipe has been bedded, place pipe zone material simultaneously on both sides of the pipe, in maximum 6-inch lifts, keeping the level of backfill the same on each side. Carefully place the material around the pipe so that the pipe barrel is completely supported and no voids or uncompacted areas are left beneath the pipe. Use particular care in placing material on the underside of the pipe to prevent lateral movement during subsequent backfilling.

7. Compact each lift to the relative compaction specified herein.

8. Push the backfill material carefully onto the backfill previously placed in the pipe bedding zone.

Do not permit free-fall of the material until at least 2 feet of cover is provided over the top of the pipe. Do not drop sharp, heavy pieces of material directly onto the pipe or the tamped material around the pipe. Do not operate heavy equipment or a sheepsfoot wheel mounted on a backhoe over the pipe until at least 3 feet or one-half of the internal diameter, whichever is greater, of backfill has been placed and compacted over the pipe.

9. When the pipelaying is not in progress, including the noon hours, close the open ends of pipe.

Do not allow trench water, animals, or foreign material to enter the pipe.

10. Keep the trench dry until the pipelaying and jointing are completed.

J. Backfill Compaction

1. Unless otherwise shown in the drawings or otherwise described in the specifications for the particular type of pipe installed, relative compaction in pipe trenches shall be as follows:
a. Pipe Bedding Zone: 90% relative compaction.
b. Backfill in Trench Not Beneath Paving Except Landscaping Areas: 90% relative compaction. Landscaped areas may be 85% relative compaction. Compact backfill within embankment above the pipe zone to the same relative compaction as the adjacent embankment as specified in Section 312300.
c. Backfill in Paved Areas: 95% relative compaction.
d. Rock Refill for Foundation Stabilization: 95% relative compaction or relative density. e. Refill for Overexcavation: 95% relative compaction or relative density.

2. Compact trench backfill to the specified relative compaction. Compact by using mechanical compaction, or hand tamping. Do not use high-impact hammer-type equipment except where the pipe manufacturer warrants in writing that such use will not damage the pipe.

3. Compact material placed within 12 inches of the outer surface of the pipe by hand tamping only.

4. Do not use any axle-driven or tractor-drawn compaction equipment within 5 feet of building walls, foundations, and other structures.

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K. Material Replacement
Remove and replace any trenching and backfilling material that does not meet the specifications, at the Contractor's expense.

L. Placing Sand-Cement Slurry Backfill
Place sand-cement slurry backfill in a uniform manner that will prevent voids in or segregation of the material. Remove foreign material that falls into the excavation or trench. Do not commence backfilling over or place any material over the slurry cement backfill until at least four hours after placing the sandcement slurry.

END OF SECTION

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SECTION 321216 ASPHALT CONCRETE PAVING
PART 1 - GENERAL
A. Description
This section includes materials, testing, and installation of asphalt concrete pavement, aggregate base course, herbicide, tack coat, and seal coat, where applicable.

This section also includes adjustment of existing utility covers to grade with finished paving improvements.

B. Related Work Specified Elsewhere

1. Earthwork: 312300.

C. Submittals
Submit six copies of a report from a testing laboratory verifying that aggregate material contains less than 1% asbestos by weight or volume and conforms to the specified gradations or characteristics.

D. Testing for Compaction
The Owner will test for compaction as described in Section 312300.

E. Standard Specifications
Wherever reference is made to the Caltrans Standard Specifications, such reference shall mean the State of California, Department of Transportation Standard Specifications, 2018 edition.

F. Measurement and Payment

1. Measurement and payment provisions and sharing of costs provisions described in the Caltrans Standard Specifications are not applicable to this project. Payment for all work described herein and for all work included by reference to the Caltrans Standard Specifications shall be considered as being included in the bid amounts stated in the project Bid Proposal and no additional payment will be made therefor.

PART 2 - MATERIALS
A. Asphalt Concrete Paving
Asphalt concrete paving shall conform to Type B in Section 39 of the Caltrans Standard Specifications, having 3/4-inch maximum medium grading.

B. Aggregate Base Course
Aggregate base shall be Class 2 aggregate base, 3/4-inch-maximum size per Section 26 of the Caltrans Standard Specifications. The grade of asphalt prime coat shall be slow-curing or medium-curing liquid asphalt as determined by the Owner’s Representative.

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C. Tack Coat
All areas to be paved shall receive a tack coat. Tack coat shall conform with Section 94, Grade SS1h in the Caltrans Standard Specifications unless allowed otherwise by the Owner’s Representative.

D. Asphalt
Asphalt shall be Performance Grade PG 64-10 per Section 92 in the Caltrans Standard Specifications.

Asphalt content in the pavement shall be 5.5% to 6.0%.

E. Aggregate for Asphalt Concrete
Aggregate shall be Type B per Section 39-2.02 in the Caltrans Standard Specifications or as specified by the Owner’s Representative.

F. Wood Headers
Size of wood headers shall be 2 inches by the depth of the asphalt concrete paving; minimum size shall be 2 inches by 4 inches. Wood shall be Douglas fir No. 1. Wood shall comply with Section 57 in the Caltrans Standard Specifications.

G. Herbicide or Weed Killer
Use Gallery (Isoxaben) by Dow AgroSciences, Pre-M (Pendimethalin) by American Cyanamid Co., Surflan (Orizalin) by Dow Chemical, or equal.

H. Utility Covers
Salvage and re-use existing frames and lids. Provide new concrete grade adjustment rings, sealant, or manhole cones, as applicable.

PART 3 - EXECUTION
A. Installation
Producing, hauling, placing, compacting, and finishing of asphalt concrete shall conform to Section 39 of the Caltrans Standard Specifications. Apply seal coat to all paving except open asphalt concrete.

B. Connections with Existing Pavement
Where new paving joins existing paving, chip the existing surfaces 12 inches back from the joint line so that there will be sufficient depth to provide a minimum of 1 inch of asphalt concrete. Dispose of waste material offsite. Tack chipped areas prior to placing the asphalt concrete. Meet lines shall be straight and the edges vertical. Paint the edges of meet line cuts with liquid asphalt or emulsified asphalt prior to placing asphalt concrete. After placing the asphalt concrete, seal the meet line by painting with a liquid asphalt or emulsified asphalt and then immediately cover with clean, dry sand.

C. Preparation of Subgrade
Excavate and shape subgrade to line, grade, and cross section shown in the drawings. The subgrade shall be considered to extend over the full width of the base course.

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D. Placing Aggregate Base Course
Place aggregate base course to the minimum thickness shown in the drawings. Compact to 95% relative compaction. Install in accordance with Section 26 of the Caltrans Standard Specifications.

E. Compaction of Aggregate Base and Leveling Courses
Compaction and rolling shall begin at the outer edges of the surfacing and continue toward the center.

Apply water uniformly throughout the material to provide moisture for obtaining the specified compaction.

Compact each layer to the specified relative compaction before placing the next layer.

F. Placing Tack Coat
Apply tack coat on surfaces to receive finish pavement per Section 39-4.02 in the Caltrans Standard Specifications. Apply tack coat to metal or concrete surfaces that will be in contact with the asphalt concrete paving.

G. Placing Asphalt Paving
Place asphalt paving to a minimum thickness of 0.15 foot. Install in accordance with Section 39-6 of the Caltrans Standard Specifications.

H. Compaction of Asphalt Concrete Paving
Compact until roller marks are eliminated and a density of 92% minimum to 98% maximum has been attained per ASTM D2041.

I. Surface Tolerance

1. Finished grade shall not deviate more than 0.02 foot in elevation from the grade indicated in the drawings. Slopes shall not vary more than 1/4 inch in 10 feet from the slopes shown in the drawings.

2. After paving has been installed and compacted, spray water over the entire paved area. Correct any areas where water collects and does not drain away.

J. Installing Fire Hydrant Markers
Install a blue reflective marker opposite each new fire hydrant. Place the marker on the pavement and locate 6 inches off the centerline of the traffic striping or reflective pavement markers towards the hydrant. Install markers in accordance with Section 85 of the Caltrans Standard Specifications.

K. Adjustment of Utility Covers
Adjust utility covers in accordance with the requirements of the specific utility owner.

END OF SECTION

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SECTION 330130 LEAKAGE AND INFILTRATION TESTING
PART 1 - GENERAL
A. Description
This section includes testing of gravity pipelines, sewers, culverts, drains, and manholes not intended to be pressurized in excess of 5 psi or 12 feet head of water. Leakage test is by internal air pressure or water. Infiltration test is by measurement of rate of flow of water.

PART 2 - MATERIALS
A. Test Plugs
Inflatable and expandable type, braced to contain 5 psi over the pipe cross-section area.

B. Pressure-Relief Valve
Set to limit the internal pipe test pressure to 5 psi.

PART 3 - EXECUTION
A. Selection of Alternate Test Criteria

1. When more than one pipe size is included in a test section, determine the test time by the criteria of ASTM C924 for concrete pipe and ASTM F1417 for plastic pipe.

2. If the entire test section is submerged in groundwater, test for infiltration only.

B. Preparation of the Pipeline

1. Prior to testing, flush and clean the pipeline to wet the pipe surface and clean out debris.

2. Plug pipe outlets, including stoppers in laterals, to resist the leakage test pressure.

C. Leakage Test

1. Test for leakage or for infiltration by means of an air test or a water test. Test each section of pipe between manholes, along with the manholes. Use the air test where the difference in elevation between the invert of the upper structure and the invert of the lower structure is more than 10 feet.

2. Test each section of pipe subsequent to the last backfill compacting operation.

D. Water Test

1. Test each section of pipe between two successive structures by closing the lower end of the pipe to be tested and the inlet pipe of the upper structure with plugs or stoppers. Fill the pipe and structure with water to a point 4 feet above the invert of the open pipe in the upper structure or to a height of 10 feet above the invert of the sewer in the lower structure, whichever gives the least hydrostatic pressure on the lower structure.

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2. The total leakage shall be the decrease in volume of water in the upper structure. The leakage shall not exceed 0.025 gpm per inch of nominal diameter of pipe per 1,000 feet of pipe being tested.

3. If the leakage is greater than allowed, overhaul the pipe and, if necessary, replace and re-lay until the joints and pipe comply with this test. Complete tests before trench is paved.

E. Air Test

1. Conduct air tests per the following standards:

Pipe Material
Specification
Section
ASTM
Specification
Concrete (4 to 24 inches) 334216 C924, Table 1
Concrete (27 inches and larger) 334216 C1103
VCP 333110 C828

2. Test each section of pipe between two successive manholes by plugging pipe outlets with test plugs. Add air slowly until the internal pressure is raised to 4.0 psig. The compressor used to add air to the pipe shall have a blowoff valve set at 5 psig so that the internal pressure in the pipe never exceeds 5 psig. Maintain the internal pressure of 4 psig for at least two minutes to allow the air temperature to stabilize, then disconnect the air supply and allow the pressure to decrease to 3.5 psig. Measure the time in minutes that is required for the internal air pressure to drop from

3.5 psig to 2.5 psig. Compare the results with the values tabulated in the referenced ASTM specifications in paragraph 1 above.

3. If the pressure drop from 3.5 psig to 2.5 psig occurs in less time than the specified values, overhaul the pipe and, if necessary, replace and re-lay the pipe until the joints and pipe hold satisfactorily under this test.

4. Guard against the sudden expulsion of a poorly installed plug or a plug that is partially deflated.

F. Test for Infiltration

1. If, in the construction of a section of the sewer between structures, excessive groundwater is encountered, close the end of the pipe at the upper structure sufficiently to prevent the entrance of water. Discontinue pumping groundwater for at least three days. Then test the section for infiltration. The infiltration shall not exceed 0.025 gpm per inch of diameter per 1,000 feet of main line pipe being tested.

2. Where infiltration exceeds the maximum acceptable, immediately uncover the pipe and reduce the infiltration to within the maximum acceptable by replacing, re-laying, or encasing the pipe in concrete.

G. Manhole Test

1. Watertightness of manholes may be tested in connection with hydrostatic tests of the pipeline or at the time the manhole is completed and backfilled. Repair any leakage as a result of testing.

2. Fill the manhole with water to an elevation 1 foot below the bottom of the cone section with a maximum water depth of 20 feet. Where the manholes are tested with the pipeline, no additional leakage will be allowed above that for the main line pipe.

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3. Where a separate manhole leakage test is performed or requested by the Owner's Representative, plug inlets and outlets with stoppers or plugs and fill the manhole to the limits indicated above. The maximum allowable drop in the water surface shall be 1/2 inch for each 15- minute period of testing.

4. As an alternative to the hydrostatic testing, manholes may be tested per the vacuum method per ASTM C1244.
a. Test each manhole immediately after assembling the precast manhole segments together and prior to backfilling. If the manhole fails this initial test, make repairs to any cracks or other sources of leaks. Cracks longer than 2 inches shall be cause for rejection of the entire manhole segment or casting, and no patching shall be allowed in such segments. b. Plug lift holes with grout. Plug pipes entering the manholes, and securely brace the plugs from being drawn into the manhole.
c. Test each manhole a second time for final acceptance after backfilling in order to assure that the backfill operation did not damage the manhole. Retest any manholes that were damaged or moved during final grading and paving.

H. Correction of Observed Leaks
Even though the infiltration is less than the maximum acceptable, stop any individual leaks that may be observed.

I. Inspection by Contractor for Damaged or Defective Pipe in Place

1. After backfilling and pavement replacement is complete and upon completion of the air test or infiltration test, inspect the pipe for damage and other defects by means of closed-circuit television (CCTV). Television inspection shall be in accordance with Section 330131 Sanitary Sewer System Television Inspection and the Standard Specifications for Public Works Construction (SSPWC), Section 500-1.1.5.

2. Schedule the inspection in advance with the Owner's Representative.

3. If the CCTV inspection indicates any defects, excavate and repair or replace the faulty materials and construction and restore the work and the damage to work of others.

END OF SECTION

TS-121
SECTION 330501 VALVES, PIPING, AND APPURTENANCES
PART 1 -- GENERAL
A. Description

1. Work Included: Furnish all labor, materials, equipment and incidentals required to install and test pipe and related equipment as shown on the drawings and specified herein.

2. Related work
a. Section 330519: Ductile Iron Pipe
B. Reference Publications

1. American Society for Testing and Material (ASTM)

2. American Water Works Association (AWWA)

3. Steel Structures Painting Council (SSPC)

4. American Welding Society (AWS)
C. Quality Assurance

1. All equipment furnished under this Section shall be of a manufacturer who is regularly engaged in the design and manufacture of the equipment specified. Manufacturer shall demonstrate to the satisfaction of the Project Engineer and City that the quality is equal to equipment made by those manufacturers specifically named. The manufacturer shall have produced the specified items for at least ten (10) years.

D. Product Handling

1. Exercise care in transporting and handling to avoid damage to pipe and fittings. Avoid long exposure, of non-metallic pipe to direct sunlight by storing materials on site in enclosures or under protective opaque coverings. Do not store materials directly on the ground. Keep inside of pipes and fittings free of dirt and debris.

E. Submittals

1. Manufacturer's Data: Provide manufacturer's data indicating all descriptive information, leakage rates, friction loss, loss coefficients, and capacities.

2. Design Analysis: All structural, and mechanical, calculations required shall be submitted for approval.

3. Manuals: Furnish manufacturer's installation, operation and maintenance manuals, bulletins, and parts lists.

4. Tools: Furnish one complete set of any special item required for installation and maintenance.

5. Testing: Furnish one complete testing procedure outline for Project Engineer and City approval, indicating test equipment to be used, duration, methods.

TS-122

6. Certifications: At completion of installation, furnish certifications stating that the equipment has been properly installed, and tested and is ready for full time operation.

PART 2 -- PRODUCTS
A. Miscellaneous Water Service Accessories

1. Fittings: FS WW-P-521, 150 psi, malleable iron, hot-dipped galvanized ASTM A153.

2. Unions: FS WW-U-531, Type B, hot-dipped galvanized, Class 2, 250 psi, malleable iron, ground joint and brass seat.

3. Valve Boxes: Furnish and install for each valve in the ground a valve box, Christy G5, with Christy Cast Iron cover or approved equal. The following materials may be used for extensions: Concrete or 8” Poly-vinyl Chloride pipe. Install to finished grade per City detail 608.

4. ¾”, 1” hose bibb with cast iron casing guard and “T” handle key. Provide normal galvanized piping with insulation for freeze protection per the Drawings.

5. Corrosion Protective Wrap: Polyvinylchloride or polyethylene pressure-sensitive tape, 20 mils nominal thickness (one layer 20 mils or two layers 10 mils). Provide 3M “Scotchwrap” pipe primer.

6. Pipe Taps:
a. Ductile Iron Pipe: Threaded pipe branch lines up to 1 inch in diameter may be made with direct threaded taps, provided the ductile iron wall thickness is in excess of the minimum shown in Tables A.1 and A.2 of AWWA C151 for four full threads. Bosses may be used at the taps to provide the required pipe wall thickness, or use service saddles or reducing flanges on tees. 1) Service Saddles for Ductile Iron Pipe:
a) Materials: Ductile iron saddle with type 304 stainless steel straps and hardware, and neoprene gaskets.
b) Type: For ductile iron pipe 4 inches and less, single strap saddles may be used. For pipe greater than 4-inch, double strap saddles shall be used. c) Manufacturers: Romac model 101S or 202S; equivalent Rockwell model; or equal.

C. Swing Check Valves

1. See Section 400565.23 of these Specifications.

D. Valves and Accessories

1. All valves of each type shall be the product of one manufacturer.

2. All valves 3 inches and larger shall be furnished with 2-inch square operator nuts where applicable.

TS-123
E. Gate Valves
Furnish and install 200 psi rated, flange x flange (or MJ) gate valves with non-rising stems of the type and size shown on the Drawings and as specified herein. Gate valves shall be double disc conforming with AWWA C500 or resilient seat conforming with AWWA C509. Valves shall be as manufactured by American Rotating Disc, 50 Line Series, or approved equal. Valve shall be equipped with bonnet, 2” operating nut, and flanged ends in conformance with ANSI B16.1, Class 125. Bolt pattern shall straddle centerline. Valve shall be installed per manufacturer recommendations. Valve shall be comprised of the following materials:

Item Material Specifications
Body, Bonnet, and Disc ASTM A536 Ductile Iron
Stem and Stem Nut Bronze or Stainless Steel
Hardware A276 Stainless Steel (304)

1. Additional Requirements:
a. Provide manufacturer’s data sheets for epoxy coating and a certificate of compliance with AWWA C500 or AWWA C509.

PART 3 -- EXECUTION
A. Installation of Valves and Accessories

1. Install valves and accessories as shown on the Drawings in accordance with the valve manufacturer's recommendations. Provide valve boxes where required by nature of design.

2. Plug valves shall be installed with shaft vertical and with seat on upstream end.

3. Pipe sizes are nominal inside diameter unless otherwise noted.

4. All materials delivered to the job site shall be new, free from defects, and marked to identify the material, class, and other appropriate data such as thickness for piping.

5. Furnish and install all necessary guides, inserts, anchors and assembly bolts; washers and nuts, hangers, supports, gaskets, and flanges; all other appurtenant items shown on the Drawings, specified or necessary for proper installation and operation of the piping; devices included in or on the piping equipment; and piping accessories.

6. Provide thrust blocks or restrained joints at valves and fittings as shown on the drawings or where not shown as necessary to prevent the movement or deflection of the pipe when under pressure.

B. Trenching

1. Excavation and backfill shall comply with compaction and testing requirements of Section 312300, “Earthwork.” Backfill around piping shall be in accordance with the Specifications.

2. Where invert elevations are not shown, provide minimum three feet of cover above top of pipe or conduit from adjoining finished grade for outside runs. Excavate trench minimum six inches (6”) below required pipe grade for a minimum of six inches (6”) bed of sand, fine earth, crushed rock or other suitable material to provide a uniform grade and bearing throughout the length of pipe.

TS-124

3. Trenching, excavation, and backfill shall be in accordance with Section 312300, “Earthwork.” Backfill shall not be conducted until the work has been approved by the City.

C. Couplings, Sleeves, and Supports

1. The Contractor shall submit shop drawings for approval of the complete pipe support system layout showing proposed pipe support locations, type of sleeving, couplings, and valves.

Certain parts of the pipe supports have been detailed on the drawings; however, the Contractor is responsible for furnishing a complete support system, including any pipe supports required by the nature of the installation but not shown on the drawings.

2. Burning or welding of any structural member under load shall not be permitted. Field welding not called for on the drawings, or approved shop drawings, may only be done upon approval by the Project Engineer and City.

3. Sleeves: Install sleeves of sufficient size to allow for free motion of pipe.

4. Whenever a pipe of any material terminates at, or extends through a structural wall or sump, the Contractor shall install in advance of pouring of concrete, the fittings or special casting required for the particular installation. Sleeves shall be cut from standard weight steel pipe, sized to proper lengths. Galvanize after sizing.

D. Threading

1. Accurately cut with sharp dies to conform to the American Standard taper pipe threads standards. Assemble screwed joints by applying teflon sealing paste or teflon tape to the male threads only. Once the joint has been tightened, backing off will not be permitted unless the threads are recleaned and new compound applied. Make compound applications neatly. Wipe off excess compound inside of each joint.

E. Miscellaneous

1. Cap or plug ends of pipe immediately after installation to prevent entrance of foreign matter and leave in place until removal is necessary for completion of installation.

2. Provide valves and unions in water system located to give complete regulation.

3. All gaskets shall be full width of flanges to which applied. Bolts shall protrude through nuts two (2) threads minimum to one-half (1/2) inch maximum.

F. Painting

1. All supports and clamps shall be galvanized after fabrication and secured with galvanized steel bolts, nuts and washers, or as otherwise noted.

2. Flexible couplings shall not be painted.

3. All finish painting shall be per manufacturer standards.

END OF SECTION

TS-125
SECTION 330519 DUCTILE IRON PIPE
PART 1 – GENERAL
A. Scope

1. Description:

This specification section includes, but is not limited to, the furnishing of all labor, materials, tools, equipment, and operations necessary for manufacturing, assembling, installing, constructing, coating, and lining ductile iron piping and appurtenances for the buried piping as shown on the Drawings.

The piping systems shall be complete including pipe, fittings, flanges, flexible couplings, and other appurtenances and accessories as required for a complete and operating system.

Accessories and appurtenances shall be as specified in Section 330501, “Valves and Appurtenances.”
B. References

1. The following standards, referred to herein, shall apply to this section:

AWWA C105 Polyethylene Encasement for Ductile Iron Piping AWWA C110 Ductile-Iron and Gray Iron Fittings, 3 In. Through 48 In. for Water and Other Liquids
AWWA C111 Rubber-Gasket Joints for Ductile-Iron and Gray-Iron Pressure Pipe and Fittings AWWA C115 Flanged Ductile-Iron Pipe With Threaded Flanges AWWA C150 Thickness Design of Ductile Iron Pipe
AWWA C151 Ductile-Iron Pipe, Centrifugally Cast in Molds or Sand-Lined Molds, for Water and Other Liquids
AWWA C153 Ductile Iron Compact Fittings, 3 in. through 12in. for Water and Other Liquids AWWA C600 Installation of Ductile Iron Water Mains and Their Appurtenances AWWA C606 Grooved and Shouldered Type Joints
C. Submittals

1. The Contractor shall submit product data, shop, and installation drawings for the following:
a. Certified laboratory test reports and certified copies of mill reports of chemical and physical properties of all ductile iron pipe.
b. All ductile iron pipe, pipe joints, and fittings.
c. Protective coatings, interior and exterior, including primers for factory application.

TS-126

2. The Contractor shall submit material requirements and applicable procedures for protective linings and coatings for the pipe including field joints, as well as procedures for the field repair of damaged linings and coatings.

D. Service Conditions

1. Corrosion Protection: Steel piping shall be electrically insulated from ductile iron pipe using neoprene flange gaskets, and dielectric washers/sleeves. All piping and equipment will be coated and lined as specified herein.

E. Factory Inspection and Testing

1. Inspection: All pipe shall be subject to inspection at the place of manufacture in and all materials used in the manufacture of the pipe shall be tested in accordance with the provisions of AWWA C151 and as supplemented by the requirements herein.

2. Tests: All materials used in the manufacture of the pipe shall be tested in accordance with the requirements of AWWA C151, including but not limited to, tensile strength test(s), impact test(s), and hydrostatic test(s), as applicable.

F. Product Handling, Storage, and Delivery

1. Exercise care in transporting and handling to avoid damage to pipe and fittings. All materials and finished products shall be transported, handled, and stored in such a manner as to prevent damage, deterioration, and corrosion. All finished products shall be kept isolated from chemical contact. Parts and assemblies shall be packaged and clearly tagged in a manner that will protect materials from damage and facilitate identification for field assembly. All machined surfaces of flanges shall be coated with a rust inhibitor compound. Pipe ends shall have plugs or caps.

Flanges shall have wooden or plastic full-face protectors.

PART 2 – PRODUCTS
A. Ductile Iron Pipe

1. General: Ductile iron pipe where specified on the Plans shall be manufactured in accordance with AWWA C151, latest revision, with cement mortar lining.

2. Wall Thickness: Required thickness class for ductile iron pipe shall be Class 350.

3. Yard Piping: All joints for ductile iron pipe within limits of lift station work shall be flexible, restrained rubber gasket joints or mechanical joints manufactured in accordance with AWWA C111 unless otherwise specified. Joint restraining systems shall be physically-restrained mechanical joints such as TR FLEX (US Pipe), Megalug-MJ (EBBA Iron), or equal.

4. Integrally cast flanges shall conform to AWWA C110. Flanges shall be plain faced and constructed per AWWA C115. Grooved and shouldered type joints shall conform to AWWA C606. Flange bolt patterns shall match respective valve, coupling, or appurtenance in which to be connected to wherever required for proper alignment.

5. Each section of pipe shall be clearly marked with the nominal pipe size, class, weight, and casting period. The manufacturer's mark, the year the pipe was produced, and the lettering "DI" or "DUCTILE" shall be cast or stamped on the pipe.

TS-127

6. Polyethylene sheeting wrap with two wraps of 8 mil wrapping sleeve or sheet secured with three wraps of 10 mil polyethylene tape in accordance with AWWA C105, latest revision. Includes valves, couplings, and appurtenances.

B. Fittings

1. Ductile iron pipe fitting elbows shall be manufactured in accordance with AWWA C110, latest revision.

2. Nominal wall thickness or thickness class for fittings shall be Class 350 minimum.

3. All ductile iron fittings shall have distinctly cast on the outside of their bodies, the pressure rating, nominal diameter of openings, manufacturer's identification, country where cast, the number of degrees of the circle on all bends, the letter "DI" or ductile iron, all as required by AWWA C110.

C. Gaskets

1. For flanged connections provide full face, 1/8-inch thick chloroprene gaskets per AWWA C115, Appendix A. For mechanical grooved couplings provide nitrile or neoprene gaskets.

PART 3 – EXECUTION
A. Installation of Ductile Iron Pipe

1. All pipe and fitting sizes as indicated on the drawings shall be installed in accordance with pipe manufacturer's specifications and as herein specified. Joints shall be mechanically connected as shown on the drawings and as required for a complete and finished installation.

2. Before placing pipe, each pipe or fitting shall be thoroughly cleaned of any foreign substance that may have collected thereon and shall be kept clean at all times thereafter. For this purpose, the opening or ends of all pipes and fittings shall be closed off or sealed during any interruption to the work.

B. Couplings and Appurtenances

1. The Contractor shall furnish and install, of the type and where shown on the drawings, flexible couplings, adapters, pipe spool pieces, mechanical connections, field closures, and appurtenances per Section 330501, “Valves, Piping, and Appurtenances.” The Contractor is responsible for furnishing a complete piping system, including any elements required by the nature of the installation but not shown on the Drawings. Care shall be exercised in dimensioning of sections associated with coupling assemblies and homing of pipe ends within couplings per said Section 330501.

2. All appurtenances shall be handled in a manner to prevent any injury or damage. All joints shall be thoroughly cleaned and prepared prior to installation. The Contractor shall adjust all gaskets and follower flanges prior to installation to insure proper operation.

3. Installation of Flanged Joints: Before the joint is assembled, the flange faces shall be thoroughly cleaned of all foreign material with a power wire brush. The gasket shall be centered and the connecting flanges drawn up watertight without unnecessarily stressing the flanges. All bolts shall be tightened in a progressive diametrically opposite sequence and torqued with a suitable, approved, and calibrated torque wrench. Tightening torque shall be applied to the nuts only.

4. Coupled Joints: When installing couplings, care shall be taken that the connecting pipe ends, couplings, and gaskets are clean and free of all dirt and foreign matter with special attention being

TS-128
given to the contact surfaces of the pipe, gaskets, and couplings. The couplings shall be assembled and installed in conformity with the recommendation and instruction of the coupling manufacturer.

C. Coatings

1. Installed ductile iron piping systems shall be prepped, lined, and coated in accordance with manufacturer’s requirements and as described herein.

D. Hydrostatic Field Testing

1. The Contractor shall inform the City at least five (5) working days in advance of the time set for testing the piping system.

2. Ductile iron force main: Acceptance tests shall be performed to meet the requirements of City Standard Specifications, Section 6.04-G.

END OF SECTION

TS-129
SECTION 330531.11 PVC PIPE
PART 1 -- GENERAL
A. Summary

1. This specification covers PVC Schedule 40 pipe and fittings for pressure applications. This system is intended for pressure applications where the operating temperature will not exceed 140° F.

B. Design Standards

1. ASTM D 1784: Rigid Vinyl Compounds

2. ASTM D 1785: PVC Plastic Pipe, Schedule 40

3. ASTM D 2466: PVC Plastic Fittings, Schedule 40

4. ASTM D 2564: Solvent Cements for PVC Pipe and Fittings

5. ASTM F 1668: Procedures for Buried Plastic Pipe

6. NSF Standard 14: Plastic Piping Components & Related Materials

7. NSF Standard 61: Drinking Water System Components – Health Effects C. Submittals

1. Submit shop drawings in accordance with the General Provisions and Section 013300.

PART 2 -- PRODUCTS
A. Specifications

1. Pipe and fittings shall be manufactured from virgin rigid PVC (polyvinyl chloride) vinyl compounds with a cell class of 12454 as identified in ASTM D 1784. PVC Schedule 40 pipe shall be Iron Pipe Size (IPS) conforming to ASTM D 1785. Injection molded PVC Schedule 40 fittings shall conform to ASTM D 2466. Pipe and fittings shall be manufactured as a system and be the product of one manufacturer. All pipe and fittings shall be manufactured in the United States.

PART 3 -- EXECUTION
A. Installation

1. Installation shall comply with the latest installation instructions published by manufacturer and shall conform to all applicable plumbing, fire, and building code requirements. Buried pipe shall be installed in accordance with ASTM F 1668. Solvent cement joints shall be made in a twostep process with primer conforming to ASTM F 656 and solvent cement conforming to ASTM D 2564. The system shall be protected from chemical agents, fire-stopping materials, thread sealant, plasticized-vinyl products or other aggressive chemical agents not compatible with PVC compounds. The system shall be hydrostatically tested after installation.

END OF SECTION

ENGINEERING DIVISION
BID
BOOK
For the Construction of

CASTLE SEWER LIFT STATION REHAB PROJECT
In
The City of Atwater
For use in conjunction with STANDARD SPECIFICATIONS, dated 2023, published by the California Department of Transportation, and with LABOR SURCHARGE AND EQUIPMENT RENTAL RATES, in effect on the date the work is accomplished BID CALL NO.: 730-24 CITY PROJECT NO.: 19-9
BID OPENING: Thursday, November 21, 2024, @ 2:00 P.M. PST

______________________________
Lori Waterman
City Manager
______________________________
Date
BOOK 2 OF 2

TABLE OF CONTENTS
BID Page
No.

BID ITEM CHECKLIST ................................................................................................. 1 BIDDER INFORMATION .............................................................................................. 2 BID ITEM LIST ............................................................................................................. 4 LIST OF SUBCONTRACTORS .................................................................................... 6 AFFIRMATIVE ACTION PROGRAM CERTIFICATION ................................................. 7 NONDISCRIMINATION CERTIFICATION ..................................................................... 8 DEBARMENT AND SUSPENSION CERTIFICATIONS ................................................. 9 PUBLIC CONTRACT CODE (Statements and Questionnaire) ..................................... 10-11 NONCOLLUSION AFFIDAVIT ..................................................................................... 12 BIDDER’S BOND .......................................................................................................... 14 BID EXECUTION AND SIGNATURE ........................................................................... 14-15 SAMPLE GENERAL CONSTRUCTION CONTRACT ................................................... 16 SAMPLE PERFORMANCE BOND ............................................................................... 24 SAMPLE LABOR & MATERIALS BOND ...................................................................... 25 ATTACHMENT 1 -- FEDERAL WAGES RATES

1 BID ITEM CHECKLIST
The bidder shall provide a complete bid in a sealed envelope before 2:00 pm on the bid opening date. Failure to provide all the required documents may cause the bid to be considered nonresponsive.

PROJECT: CASTLE SEWER LIFT STATION REHAB PROJECT
Item Page # Complete?
Bid Information 2 Yes 
Bid Item List 3 Yes 
List of Subcontractors 6 Yes 
Public Contract Code Section 10285.1 Statement 10 Yes  Public Contract Code Section 10162 Questionnaire 11 Yes  Bidders Bond & Security 13 Yes 
Bid Execution 14-15 Yes 

2 Because some colored inks will not reproduce in copy machines, please use black ink to complete this proposal.)

BIDDER INFORMATION
TO

CITY OF ATWATER
Project No.: 19-9
Bid Call No.: 730-24
FOR THE CONSTRUCTION OF: CASTLE SEWER LIFT STATION REHAB PROJECT NAME OF BIDDER:

BUSINESS ADDRESS:

TELEPHONE NO.: Area Code ( )
FAX NO.: Area Code ( )
The work for which this proposal is submitted is for construction in accordance with the special provisions (including the payment of not less than the State General Prevailing Wage Rates), the contract annexed hereto, and any addenda thereto, and also in accordance with the State of California Department of Transportation Standard Plans, dated 2023, the Standard Specifications, dated 2023, and the Labor Surcharge and Equipment Rental Rates in effect on the date the work is accomplished.

Bids are to be submitted for the entire work. The amount of the bid for comparison purposes will be the total of all items.

The bidder shall set forth for each unit basis item of work a unit price and a total for the item, and for each lump sum item a total for the item, all in clearly legible figures in the respective spaces provided for that purpose. In the case of unit basis items, the amount set forth under the "Item Total" column shall be the product of the unit price bid and the estimated quantity for the item.

In case of discrepancy between the unit price and the total set forth for a unit basis item, the unit price shall prevail, except as provided in (a) or (b), as follows:
(a) If the amount set forth as a unit price is unreadable or otherwise unclear, or is omitted, or is the same as the amount as the entry in the item total column, then the amount set forth in the item total column for the item shall prevail and shall be divided by the estimated quantity for the item and the price thus obtained shall be the unit price; (b) (Decimal Errors) If the product of the entered unit price and the estimated quantity is exactly off by a factor of ten, one hundred, etc., or one-tenth, or one-hundredth, etc. from the entered total, the discrepancy will be resolved by using the entered unit price or item total, whichever most closely approximates percentagewise the unit price or item total in the Department's Final Estimate of cost.

If both the unit price and the item total are unreadable or otherwise unclear, or are omitted, the bid may be deemed irregular. Likewise if the item total for a lump sum item is unreadable or otherwise

2 unclear, or is omitted, the bid may be deemed irregular unless the project being bid has only a single item and a clear, readable total bid is provided.

Symbols such as commas and dollar signs will be ignored and have no mathematical significance in establishing any unit price or item total or lump sums. Written unit prices, item totals and lump sums will be interpreted according to the number of digits and, if applicable, decimal placement. Cents symbols also have no significance in establishing any unit price or item total since all figures are assumed to be expressed in dollars and/or decimal fractions of a dollar. Bids on lump sum items shall be item totals only; if any unit price for a lump sum item is included in a bid and it differs from the item total, the items total shall prevail.

The foregoing provisions for the resolution of specific irregularities cannot be so comprehensive as to cover every omission, inconsistency, error or other irregularity which may occur in a bid. Any situation not specifically provided for will be determined in the discretion of the CITY OF ATWATER, and that discretion will be exercised in the manner deemed by the CITY OF ATWATER to best protect the public interest in the prompt and economical completion of the work. The decision of the CITY OF ATWATER respecting the amount of a bid, or the existence or treatment of an irregularity in a bid, shall be final.

If this bid shall be accepted and the undersigned shall fail to enter into the contract and furnish the two (2) bonds in the sums required by the Special Provisions, with surety satisfactory to the City of Atwater Engineering Division, within eight (8) days, not including Saturdays, Sundays and legal holidays, after the bidder has received notice from the Department that the contract has been awarded, the City of Atwater may, at its option, determine that the bidder has abandoned the contract, and thereupon this bid and the acceptance thereof shall be null and void and the forfeiture of such security accompanying this bid shall operate and the same shall be the property of the City of Atwater.

The undersigned, as bidder, declares that the only persons or parties interested in this bid as principal are those named herein; that this bid is made without collusion with any other person, firm, or corporation; that he has carefully examined the location of the proposed work, the annexed proposed form of contract, and the plans therein referred to; and he proposes, and agrees if this bid is accepted, that he will contract with the City of Atwater, in the form of the copy of the contract annexed hereto, to provide all necessary machinery, tools, apparatus and other means of construction, and to do all the work and furnish all the materials specified in the contract, in the manner and time therein prescribed, and according to the requirements of the Engineer as therein set forth, and that he will take in full payment therefore the following item prices, to wit:

3 CITY OF ATWATER

BID ITEM LIST

CASTLE SEWER LIFT STATION REHABPROJECT
PROJECT NO. 19-9
BID CALL NO. 730-24
ITEM
NO. ITEM UNIT OF

MEASURE

ESTIMATED

QUANTITY
UNIT
PRICE

TOTAL ITEM
PRICE
1 Mobilization LS 1
2 Demolition & Removal LS 1
3 Shoring/Sheeting & Bracing LS 1
4 New Package Triplex Lift Station and
Shelter
LS 1
5 New Wet Well With Epoxy Coating LS 1
6 New 12” DIP Discharge Piping and
Valves
LF 65
7 New 12” AWWA C900 PVC Pipe LF 20
8 New 8" DIP Suction Piping, Brackets
& Valves
LF 93
9 2” Lift Station pumps, meter, Vault,
Piping & Valves
LS 1
10 18” PVC Overflow Pipe LF 23
11 New 12” Water Meter, Piping, and
Vault
LS 1
12 Connection to Existing System EA 3
13 New 6” Concrete Walkway SF 193
14 New Controls, SCADA & Electrical
Improvements
LS 1
TOTAL BID:

4 ITEM
NO. ITEM UNIT OF MEASURE

ESTIMATED

QUANTITY
UNIT
PRICE

TOTAL ITEM
PRICE
ALT. BID ITEM
1 18” PVC Pipe 27 LF
ALT. TOTAL BID:

The bidder will list the name, address, the California contractor license number, and the portion of work of each subcontractor on the next pag

1 LIST OF SUBCONTRACTORS
The bidder certifies that:

A. I do not intend to subcontract any work on this project.

B. I do intend to subcontract portions of the work on this project.

NOTE: Check box A or box B. If a box is not checked, it will be deemed as box A checked.

If awarded the Contract, you propose to employ the following subcontractors to perform work or labor or render service in or about the work in an amount in excess of one-half of one percent (0.5%) of the total amount of your proposal or $10,000, whichever is greater. Listing of subcontractors is mandatory under Sections 4100-4108 of the Public Contract Code. If no subcontract work is proposed, except within the one-half of one percent (0.5%) or $10,000 limit set forth, you will so state.

NAME AND ADDRESS DEPT. INDUSTRIAL DESCRIPTION OF WORK BID ITEMS NUMBERS

OF SUBCONTRACTOR RELATIONS TO BE SUBCONTRACTED AND PERCENTAGE OF

AND LICENSE NUMBER REGISTRATION NUMBER WORK SUBCONTRACTED _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________

2 CITY BID CERTIFICATIONS

AFFIRMATIVE ACTION PROGRAM CERTIFICATION
This certification of bidder regarding Affirmative Action Program shall be submitted by the bidder and shall be part of the contract documents:

The bidder hereby certifies that he/she is in compliance with the following:
• Title VI of the Civil Rights Act of 1964 (PL 88-352)
• Equal Employment Opportunity (Executive Order No. 11246) • California Fair Employment Practices Act
NOTICE: The above certification is part of the Bid. Signing the Bid on the signature portion thereof shall also constitute signature of this certification. Bidders are cautioned that making a false certification may subject the certifier to criminal prosecution.

3 NONDISCRIMINATION OF INDIVIDUALS WITH DISABILITIES
Policy Statement
In compliance with the Americans with Disabilities Act of 1990 and Section 51.55, Office of Revenue Sharing, Department of the Treasury, it is the policy of the City of Atwater that it will not aid or perpetuate discrimination against a qualified handicapped individual by funding an agency, organization, or person that discriminates on the basis of handicap in providing any aid, benefit, or service to beneficiaries of the program or activity.

The City is committed to provide access to all City services, programs and meetings open to the public to people with disabilities.

In this regard, City and all of its contractors and subcontractors will take all reasonable steps in accordance with the Americans with Disabilities Act of 1990 and GRS Section 51.55 to ensure that handicapped individuals have the maximum opportunity for the same level of aid, benefit or service as any other individual.

Each agency, organization, or person seeking a bid, contract or agreement with the City of Atwater shall include a certification of compliance with the Americans with Disabilities Act of 1990 and Section 504 of the Rehabilitation Act of 1973 as incorporated in the Revenue Sharing Act.

NON–DISCRIMINATION CERTIFICATION
The bidder hereby certifies that he/she is in compliance with the Americans with Disabilities Act of 1990 and Section 504 of the Rehabilitation Act of 1973 as incorporated in the Revenue Sharing Act, the applicable administrative requirements promulgated in response thereto, and any other applicable Federal laws and regulations relating to handicap, discrimination and participation.

NOTICE: The above certification is part of the Bid. Signing the Bid on the signature portion thereof shall also constitute signature of this certification. Bidders are cautioned that making a false certification may subject the certifier to criminal prosecution.

4 DEBARMENT AND SUSPENSION CERTIFICATION
TITLE 49, CODE OF FEDERAL REGULATIONS, PART 29
You, under penalty of perjury, certify that, except as noted below, you or any other person associated in the capacity of owner, partner, director, officer, manager:
• Is not currently under suspension, debarment, voluntary exclusion, or determination of ineligibility by any Federal agency;
• Has not been suspended, debarred, voluntarily excluded or determined ineligible by any Federal agency within the past 3 years;
• Does not have a proposed debarment pending; and
• Has not been indicted, convicted, or had a civil judgment rendered against it by a court of competent jurisdiction in any matter involving fraud or official misconduct within the past 3 years.

If there are any exceptions to this certification, insert the exceptions in the following space.

Exceptions will not necessarily result in denial of award, but will be considered in determining bidder responsibility. For any exception noted above, indicate below to whom it applies, initiating agency, and dates of action.

Notes: Providing false information may result in criminal prosecution or administrative sanctions. The above certification is part of the Bid. Signing this Bid on the signature portion thereof shall also constitute signature of this Certification.

5 PUBLIC CONTRACT CODE
SECTION 10285.1 STATEMENT
In accordance with Public Contract Code Section 10285.1 (Chapter 376, Stats. 1985), the bidder hereby declares under penalty of perjury under the laws of the State of California that the bidder has _____, has not _____ been convicted within the preceding three years of any offenses referred to in that section, including any charge of fraud, bribery, collusion, conspiracy, or any other act in violation of any state or Federal antitrust law in connection with the bidding upon, award of, or performance of, any public works contract, as defined in Public Contract Code Section 1101, with any public entity, as defined in Public Contract Code Section 1100, including the Regents of the University of California or the Trustees of the California State University. The term "bidder" is understood to include any partner, member, officer, director, responsible managing officer, or responsible managing employee thereof, as referred to in Section 10285.1.

The above Statement is part of the Bid. Signing this Bid on the signature portion thereof shall also constitute signature of this Statement.

Bidders are cautioned that making false certification may subject the certifier to criminal prosecution.

6 PUBLIC CONTRACT CODE SECTION 10162 QUESTIONNAIRE
In accordance with Public Contract Code Section 10162, the Bidder shall complete, under penalty of perjury, the following questionnaire:

Has the bidder, any officer of the bidder, or any employee of the bidder who has a proprietary interest in the bidder, ever been disqualified, removed, or otherwise prevented from bidding on, or completing a federal, state, or local government project because of a violation of law or a safety regulation? YES ____________ NO _____________
If the answer is yes, explain the circumstances in the following space:

PUBLIC CONTRACT CODE SECTION 10232 STATEMENT
In accordance with Public Contract Code Section 10232, the Contractor hereby states, under penalty of perjury, that no more than one final unappealable finding of contempt of court by a federal court has been issued against the Contractor within the immediately preceding two year period because of the Contractor's failure to comply with an order of a federal court which orders the Contractor to comply with an order of the National Labor Relations Board.

Note: The above Statement and Questionnaire are part of the Bid. Signing this Bid on the signature portion thereof shall also constitute signature of this Statement and Questionnaire.

Bidders are cautioned that making a false certification may subject the certifier to criminal prosecution.

7 NONCOLLUSION AFFIDAVIT
(Title 23 United States Code Section 112 and
Public Contract Code Section 7106)
To the City of Atwater.

In accordance with Title 23 United States Code Section 112 and Public Contract Code 7106 the bidder declares that the bid is not made in the interest of, or on behalf of, any undisclosed person, partnership, company, association, organization, or corporation; that the bid is genuine and not collusive or sham; that the bidder has not directly or indirectly induced or solicited any other bidder to put in a false or sham bid, and has not directly or indirectly colluded, conspired, connived, or agreed with any bidder or anyone else to put in a sham bid, or that anyone shall refrain from bidding; that the bidder has not in any manner, directly or indirectly, sought by agreement, communication, or conference with anyone to fix the bid price of the bidder or any other bidder, or to fix any overhead, profit, or cost element of the bid price, or of that of any other bidder, or to secure any advantage against the public body awarding the contract of anyone interested in the proposed contract; that all statements contained in the bid are true; and, further, that the bidder has not, directly or indirectly, submitted his or her bid price or any breakdown thereof, or the contents thereof, or divulged information or data relative thereto, or paid, and will not pay, any fee to any corporation, partnership, company association, organization, bid depository, or to any member or agent thereof to effectuate a collusive or sham bid.

Note: The above Noncollusion Affidavit is part of the Bid. Signing this Bid on the signature portion thereof shall also constitute signature of this Noncollusion Affidavit.

Bidders are cautioned that making a false certification may subject the certifier to criminal prosecution.

8 CITY OF ATWATER

BIDDER'S BOND

KNOW ALL MEN BY THESE PRESENTS, THAT WE
as Principal, and
, as surety,
are held and firmly bound unto the City of Atwater in the penal sum of ten percent (10%) of the total amount of the bid of the Principal above named, submitted by said Principal to the City of Atwater for the work described below, for the payment of which sum in lawful money of the United States, well and truly to be made, to the City of Atwater to which said bid was submitted, we bind ourselves, our heirs, executors, administrators, and successors, jointly and severally, firmly by these presents. In no case shall the liability of the surety hereunder exceed the sum of $_______________________.

The condition of this obligation is such that, whereas the Principal has submitted the above-mentioned bid to the City of Atwater, as aforesaid, for certain construction specifically described as follows, for which bids are to be opened at Atwater, California, for the CASTLE SEWER LIFT STATION REHAB PROJECT NOW, THEREFORE, if the aforesaid Principal is awarded the contract and, within the time and manner required under the specifications, after the prescribed forms are presented to him for signature, enters into a written contract, in the prescribed form, in accordance with the bid, and files two bonds with the City of Atwater one to guarantee faithful performance and the other to guarantee payment for labor and materials, as required by law, then this obligation shall be null and void; otherwise, it shall be and remain in full force and effect.

IN WITNESS WHEREOF, we have hereunto set our hands and seals on this ___________________ day of ____________________, A.D. 2020.
_________________________________(Seal)
_________________________________(Seal)
_________________________________(Seal)

PRINCIPAL
_________________________________(Seal)
_________________________________(Seal)
_________________________________(Seal)
SURETY
ADDRESS________________________________
NOTE: Signatures of those executing for the surety must be properly acknowledged.

9 BID EXECUTION

CASTLE SEWER LIFT STATION REHAB PROJECT
PROJECT NO. 19-9
BID CALL NO. 730-24
Accompanying this bid is ______________________
(NOTICE: Insert the words "Cashier's Check," "Certified Check," or "Bidder's Bond," as the case may be.) in amount equal to at least ten percent of the total of the bid.

The names of all persons interested in the foregoing bid as principals are as follows:

IMPORTANT NOTICE - If bidder or other interested person is a corporation, state legal name of corporation, also names of the president, secretary, treasurer, and manager thereof; if a copartnership, state true name of firm, also names of all individual copartners composing firm; if bidder or other interested person is an individual, state first and last names in full.

Licensed in accordance with an act providing for the registration of Contractors, License No._________________________ Expiration Date: ___________________Classification(s) _________________
ADDENDA - This Bid is submitted with respect to the changes to the contract included in addenda number/s
_________________________________________________________________ (Fill in addenda numbers if addenda has been received and insert, in this Bid, any Engineer's Estimate sheets that were received as part of the addenda.)
Warning - If an addendum or addenda have been
issued by the Department and not noted
above as being received by the bidder,
this Bid may be rejected.

10 BID EXECUTION

CASTLE SEWER LIFT STATION REHABPROJECT
PROJECT NO. 19-9
BID CALL NO. 730-24
By my signature on this bid I certify, under penalty of perjury under the laws of the State of California, that the foregoing questionnaire and statements of Public Contract Code Sections 10162, 10232 and 10285.1 are true and correct and that the bidder has complied with the requirements of Section 8103 of the Fair Employment and Housing Commission Regulations (Chapter 5, Title 2 of the California Administrative Code). By my signature on this bid I further certify, under penalty of perjury under the laws of the State of California and the United States of America, that the Noncollusion Affidavit required by Title 23 United States Code, Section 112 and Public Contract Code Section 7106; and the Title 49 Code of Federal Regulations, Part 29 Debarment and Suspension Certification are true and correct.

Date Signature of Bidder

Name (Print)

Title

Business Name:

Business Address:

11 GENERAL CONSTRUCTION CONTRACT
This GENERAL CONSTRUCTION CONTRACT (“Contract”) is made by and between the CITY OF ATWATER, a California municipal corporation (“City”) and ______________________________ (“Contractor”) as of ______________, 2024. City and Contractor shall be referred to herein separately as a “Party” and collectively as “Parties”.

1. The Contract. It is mutually agreed and understood that the complete Contract shall consist of the following component documents, all of which are fully a part hereof as if herein set out in full, or if not attached, as if hereto attached:

A. This Contract;
B. Plans and Specifications for PROJECT NO. 19-9;
C. Special Provisions for PROJECT NO. 19-9;
D. Notice to Contractors;
E. Proposal to the City of Atwater;
F. Performance Bond;
G. Labor and Material Bond;
H. Current edition of the Caltrans Standard Specifications; I. Current edition of the Caltrans Standard Plans;
J. The latest revisions to the General Prevailing Wage Rates; and K. Any Published Addenda.

Any and all obligations of the City and the Contractor are fully set forth and described therein.

All of the above component documents are intended to cooperate so that any work called for in one and not mentioned in the other, or vice versa, is to be executed the same as if mentioned in all said documents. The component documents comprising the complete Contract are sometimes hereinafter referred to as the “Contract Documents”.

2. The Work. Contractor agrees to furnish all tools, equipment, apparatus, facilities, labor, transportation, and material necessary to perform and complete in a good and workmanlike manner all work of improvement in accordance with the Contract Documents, and in the manner designated in, and in strict conformity with, the Project Plans and Specifications for PROJECT NO. 16-2-2, entitled, “PROJECT NO. 19-9 – CASTLE SEWER LIFT STATION REHAB PROJECT” for construction in Atwater, Merced County, California. It is understood and agreed that said tools, equipment, apparatus, facilities, labor, transportation, and material shall be furnished and said work performed and completed as required in said Project Plans and Specifications under the sole direction and control of the Contractor, and subject to inspection and approval of the City or its representative.

The City hereby designates the City Engineer as its representative for the purpose of this Contract.

3. Contract Price. The City agrees to pay, and the Contractor agrees to receive and accept, the following Contract prices as full compensation for furnishing all materials and performing all work in accordance with this Contract as follows:

12 ITEM
NO. ITEM UNIT OF MEASURE

ESTIMATED

QUANTITY
UNIT

PRICE (IN

FIGURE)

ITEM TOTAL
(IN

FIGURES)
(Update upon award of contract)

TOTAL BID SCHEDULE ITEMS 1 THROUGH X $__________
Name of Bidder or Firm: ___________________________________________

4. Termination. If the Contractor should become insolvent or if Contractor should make a general assignment for the benefit of its creditors, or if a receiver should be appointed on account of its insolvency, or if it or any of its subcontractors should violate any of the provisions of the Contract Documents, the City may serve written notice upon Contractor and its surety of its intention to terminate the Contract. The notice shall contain the reasons for the City’s intent to terminate the Contract and unless the violation ceases and/or is corrected within ten (10) days of service of the notice, the Contract shall cease and terminate. In the event of any such termination, the City shall immediately serve a written notice of termination on the surety and the Contractor, and the surety shall have the right to take over and perform the Contract. The surety shall serve a written notice of intent to take over and perform the Contract on the City within fifteen (15) days of service of the notice to terminate and shall commence performance of the Contract within thirty (30) days from service of the notice to terminate. In the event the surety fails to serve the notice of intent to take over and perform or fails to commence performance as required in this Section, the City may take over the work and prosecute the same to completion by contract or by any other method it may deem advisable, for the account and at the expense of the Contractor, and the Contractor and its surety shall be liable to the City for any excess cost incurred by the City, and in such event the City may, without liability for so doing, take possession of and utilize in completing the work such materials, appliances, plant, and other property belonging to the Contractor as may be on the site of the work and necessary to complete the work.

5. Notices. All notices given pursuant to this Contract shall be in writing and shall be mailed by first class mail, postage prepaid, certified or registered, with return receipt requested. Such notice shall be deemed served or given three (3) business days after deposit in the United States Postal Service. The address of each Party to this Agreement for purposes of notice shall be as indicated below. Each Party may change its address for notice by giving notice of such change to the other Party in the manner set forth above.

If to City: Lori Waterman,
City Manager
City of Atwater
750 Bellevue Road
Atwater, California 95301
If to Contractor:

13 If to Surety:

6. Assignment of Contract. The Contractor shall not voluntarily assign the Contract, moneys due under the Contract, or monies to become due under the Contract, without first obtaining the prior written consent of the City.

7. Contract Security. The Contractor shall furnish a surety bond in an amount at least equal to One Hundred Percent (100%) of the Contract price as security for the faithful performance of this Contract (“Performance Bond”). The Contractor shall also furnish a separate surety bond in an amount at least equal to One Hundred Percent (100%) of the Contract price as security for the payment of all persons for furnishing materials, provisions, provender, or other supplies used in, upon, for, or about the performance of the work contracted to be done, or for performing any work or labor thereon of any kind, and for the payment of amounts due under the Unemployment Insurance Code with respect to such work or labor in connection with this Contract, and for the payment of a reasonable attorney’s fee to be fixed by the court in case suit is brought upon the bond (“Labor and Material Bond”).

8. Insurance. Contractor shall procure and maintain for the duration of the contract the required insurance against claims for injuries to persons or damage to property, which may arise from or in connection with the performance of the work of the Contractor, its agents, employees, representatives, and subcontractors. The cost of such insurance shall be included in the contractor’s bid.

A. Minimum Scope of Insurance.

1. Commercial General Liability coverage at least as broad as the Insurance Services Office, Inc. (ISO Form CG 00 01) with limits of liability of at least $1,000,000 per occurrence for bodily injury, personal injury and property damage. If Commercial General Liability insurance forms or other forms with a general aggregate limit are used, either the general aggregate limit shall apply separately to this project/location or the general aggregate limit shall be $2,000,000.

2. An Additional Insured Endorsement to the Commercial General Liability coverage form naming the City as an insured at least as broad as ISO form CG 20 37 10 01 entitled ADDITIONAL INSURED-OWNERS, LESSEES OR CONTRACTORS COMPLETED OPERATIONS.

3. Business Auto Liability coverage at least as broad as ISO form CA 00 01 with limits of liability of at least $1,000,000 combined single limit per accident for bodily injury and property damage, covering any automobile owned, leased, hired or borrowed by the Contractor, its agents, representatives, or employees, or for which the Contractor is responsible.

14 4. An Automobile Liability Special Endorsement at least as broad as Exhibit 1 (attached) to the Business Auto Liability form naming the City as an insured with regard to damages and the defense of claims arising out of use of any automobile for which the Contractor is responsible. (In the alternative, the Contractor may provide a Designated Insured Endorsement form at least as broad as ISO Form CA 00 01).

5. Workers’ Compensation coverage for the Contractor’s employees with limits as required by California law, and Employers Liability coverage with limits of liability of at least $1,000,000 per accident or occurrence.

6. A Certificate of Liability Insurance showing evidence of the above liability coverages prior to the commencement of work.

B. Minimum Limits of Insurance.

Contractor shall maintain limits no less than:

1. General Liability: $1,000,000
(Including operations,
products and completed
operations.)
per occurrence for bodily injury,
personal injury and property
damage If Commercial General
Liability insurance or other form
with a general aggregate limit
shall apply separately to this
project/locations or the general
aggregate limit shall be twice
the required occurrence limit.

2. Automobile Liability: $1,000,000 per accident for bodily injury and property damage.

3. Employer’s Liability: $1,000,000 per accident for bodily injury or disease.

C. Deductibles and Self-Insured Retentions.

Any deductibles or self-insured retentions must be declared to and approved by the City. At the option of the City, either: (1) the insurer shall reduce or eliminate such deductibles or self-insured retentions as respects to the City, its officers, public officials, employees and volunteers, or (2) the Contractor shall provide a financial guarantee satisfactory to the City guaranteeing payment of losses and related investigations, claim administration, and defense expenses.

D. Other Insurance Provisions.

The Commercial General Liability and Automobile Liability policies are to contain, or be endorsed to contain the following provisions:

1. The City, its officers, public officials, employees and volunteers are to be covered as insured’s with respect to liability and defense arising out of automobiles owned, leased, hired or borrowed by or on behalf of the contractor; and with respect to liability arising out of work or operations performed by or

15 on behalf of the Contractor including materials, parts or equipment furnished in connection with such work or operations. General liability coverage can be provided in the form of an endorsement to the Contractor’s insurance (CG 20 10), or as a separate owner’s policy.

2. For any claims related to this project, the Contractor’s liability insurance coverage shall be primary insurance as respects the City, its officers, public officials, employees and volunteers. Any insurance of self-insurance maintained by the City, its officers, officials, employees, or volunteers shall be excess of the Contractor’s insurance and shall not contribute with it.

3. Each insurance policy required by this clause shall be endorsed shall be endorsed to state that coverage shall not be canceled by either party, except after thirty (30) days’ prior written notice by certified mail, return receipt requested, has been given to the City.

4. Coverage shall not extend to any indemnity coverage for the active negligence of the additional insured in any case where an agreement to indemnify the additional insured would be invalid under Subdivision (b) of Section 2782 of the California Civil Code.

5. The Contractor agrees that any and all liability insurance coverages available to it as a named insured will be applicable to the City as an Additional Insured.

6. If other than ISO forms are used by the insurer(s) for the Contractor, each form used will require individual review and approval by the City of Ripon.

E. Acceptability of Commercial Insurers.

Insurance is to be placed with insurers with a current A.M. Best’s rating of no less than “A:

VII.”
F. Verification of Coverage.

Contractor shall furnish the City with Certificates of Liability Insurance and amendatory endorsements effecting coverage required by this clause. The endorsements should be on forms provided by the City or on other than the Entity’s forms, provided those endorsements or policies conform to the requirements of the Contract. All certificates and endorsements are to be received and approved by the City before work commences. The City reserves the right to require complete, certified copies of all required insurance policies, including endorsements affecting the coverage required by these specifications at any time.

G. Subcontractors.

Contractor shall include all subcontractors as insured’s under its policies or shall furnish separate certificates and endorsements for each subcontractor. All coverages for subcontractors shall be subject to all of the insurance requirements stated herein.

H. For Construction Risks.

16 If this is a Proposal and Contract that involves a construction risk, in addition to the Insurance Requirement specified above, the Contractor shall procure and maintain Course of Construction (Builder’s Risk) insurance covering all risks of loss with limits of liability of not less than the completed value of the project with no coinsurance penalty provisions.

The Course of Construction insurance policies shall contain the following provisions:

1. The City shall be named as loss payee; and

2. The insurer shall waive all rights of subrogation against the City.

9. Hold Harmless. The Contractor will indemnify, defend with counsel selected by the City, save, keep, and hold harmless, the City and all officers, employees, and agents thereof from all damages, costs, or expenses, in law or in equity, that may at any time arise or be set up because of personal injury or damage to property sustained by any person or persons by reason of, or in the course of the performance of said work, or by reason of any infringement or alleged infringement of the patent rights of any person or persons, firm or corporation, in consequence of the use in, on, or about said work, of any article or material supplied or installed under this Contract. It is understood that the duty of Contractor to indemnify and hold harmless includes the duty to defend as set forth in Section 2778 of the California Civil Code. Notwithstanding the above, the Contractor shall, wherever it is necessary, keep and maintain at his sole cost and expense during the course of his operations under this Contract such warnings, signs, and barriers as may be required to protect the public. The provisions of the preceding sentence shall not impose any liability upon the City and are for the express benefit of the general public.

Acceptance by City of insurance certificates and endorsements required under this Agreement does not relieve Contractor from liability under this indemnification and hold harmless clause. This indemnification and hold harmless clause shall apply to any damages or claims for damages whether or not such insurance policies shall have been determined to apply. By execution of this Agreement, Contractor acknowledges and agrees to the provisions of this Section and that it is a material element of consideration.

It is expressly understood that Contractor is an independent contractor and that its employees shall not be employees of or have any contractual relationship with the City. Contractor shall be responsible for the payment of all taxes, workers’ compensation insurance and unemployment insurance. Should contractor desire any insurance protection, the Contractor is to acquire such protection at its expense.

In the event that Contractor or any employee, agent, or subcontractor of Contractor providing services under this Agreement is determined by a court of competent jurisdiction or the California Public Employees Retirement System (PERS) to be eligible for enrollment in PERS as an employee of the City, Contractor shall indemnify, defend, and hold harmless City for the payment of any employee and/or employer contributions for PERS benefits on behalf of Contractor or its employees, agents, or subcontractors, as well as for the payment of any penalties and interest on such contributions, which would otherwise be the responsibility of City.

10. Accident Prevention. Precaution shall be exercised at all times for protection of persons (including employees) and property. The safety provisions of applicable laws, building and construction codes shall be observed. Machinery, equipment, and other hazards shall be guarded or eliminated in accordance with the safety provisions of the Construction Safety Orders issued by the Industrial Accident Commission of the State of California.