San Marcos City Council
January 25, 2022

CITY OF SAN MARCOS

SAN DIEGO COUNTY, CA LIFORNIA

SPECIAL PROVISIONS

RANCHO CORONADO PARK IMPROVEMENTS

CAPITAL IMPROVEMENT PROJECT NO. PK006

FEBRUARY 2022

PROJECT SPECIAL PROVISIONS

Table of Contents

PART 1- GENERAL PROVISIONS

















PART 3 – CONSTRUCTION METHODS







 Furnish and Install Concrete Wheel Stop per SDRSD M-27A (L=6')  Construct Concrete Brow Ditch Type A per SDRSD D-75
 Construct Concrete Cross Gutter per SDRSD D-12
 Construct Concrete Drainage Channel per SDRSD D-71, Modified per Plans  Construct 7” Thick Concrete Driveway per SDRSD G-14-B  Construct Concrete Edger

PART 4 – ALTERNATE MATERIALS

PART 6 – TEMPORARY TRAFFIC CONTROL

PART 7 – ELECTRICAL SYSTEMS

PART 8 – LANDSCAPING AND IRRIGATION

Contractor is responsible to obtain any require d haul permits, dust permits, or other permits required and to pay the cost of all haul route maintenance or traffic control.

Sand testing shall be completed at the Contractor’s expense for every 1,000 tons of sand obtained. Testing of the material shall be approved before hauling to the site.

Ksat shall be greater than 3 in/per hour for use on this project.

Gradation testing shall include Percent Retained on #4, 10, 18, 35, 60, 100, 270 screens. Produced sand shall meet the following:
2 mm (#10) sieve < 6% retained

0.05 (#270) mm sieve < 10% passing
Sand material shall be free of vegetation, rocks or debris.

Root zone sand depth shall be 0.75’ plus or minus .05’. Root zone shall be placed with uniform moisture and rolled with a 5-ton minimum roller to a uniform compaction. Final root zone grade shall be laser leveled to plus or minus 0.02’ and certified by a registered land surveyor or other approved method at 25’ intervals.

all electrical components, excavation, fabrication of concrete pad, electrical connections, training, start-up, guarantee/warrantee and other items

PART 9 – VALLECITOS WATER DISTRICT (VWD) TECHNICAL

SPECIFICATIONS

SECTION 01010

SUMMARY OF WORK

Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 01045-1

STANDARD SPECIFICATIONS

SECTION 01045

EXISTING FACILITIES

PART 1 - GENERAL

A. Description

This section includes requirements for connection to and abandonment of existing District facilities.

B. Related Work Specified Elsewhere

All related work specified elsewhere, or referenced in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Trenching, Backfilling, and Compacting: 02223

2. Chlorination of Domestic Water Mains and Services for Disinfection: 15041

3. Hydrostatic Testing of Pressure Pipelines: 15042

4. Manual Valves: 15100

5. Hot Tap Connections 15050

C. Condition of Existing Facilities

The District does not warrant the condition, size, material, and location of existing facilities.

D. Location

The contractor shall be responsible for potholing and verifying in advance the location of all existing pipelines as shown on the plans. Discrepancies shall be reported to the project engineer, prior to the fabrication or purchase of material affected by the discrepancy.

E. Protection of Existing Utilities and Facilities

1. The contractor shall be responsible for the care and protection of all existing sewer pipe, water pipe, gas mains, culverts, power or communications lines, sidewalks, curbs, pavement, or other facilities and structures that may be encountered in or near the area of the work.

29 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 01045-2

2. It shall be the duty of the contractor to notify Under ground Service Alert (811) and each agency of jurisdiction and make arrangements for locating their facilities prior to beginning construction.

3. In the event of damage to any existing facilities during the progress of the work and of the failure of the contractor to exercise the proper precautions, the contractor will pay for the cost of all repairs and protection to said facilities. The contractor's work may be stopped until repair operations are complete.

F. Protection of Landscaping

1. The contractor shall be responsible for the protection of all the trees, shrubs, irrigation systems, fences, and other landscape items adjacent to or within the work area, unless they are directed to do otherwise on the plans.

2. In the event of damage to landscape items, the contractor shall replace the damaged items in a manner satisfactory to the District representative and the owner, or pay damages to the owner as directed by the District.

3. When the proposed pipeline is to be within planted or other improved areas in public or private easements, the contractor shall restore such areas to the original condition after completion of the work. This restoration shall include grading, a placement of 5 inches of good topsoil, re-sodding, and replacement of all landscape items indicated.

4. If the contractor does not proceed with the restoration after completion of the work or does not complete the restoration in a satisfactory manner, the District reserves the right to have the work done and to charge the contractor for the actual cost of the restoration including all labor, material, and overhead required for restoration.

G. Permits

All work shall conform to the specifications and requirements of the State of California Department of Transportation, the County of San Diego, the city having jurisdiction, or other affected agencies involved. The contractor shall keep a copy of all the required permits on the job site and comply with all the terms and conditions of said permits.

PART 2 - MATERIALS

All materials used in making the connection or removing the facility from service shall conform to the applicable sections of these specifications.

A. Grout

Grout shall consist of Portland cement and water or of Portland cement, sand, and water; and all grout mixtures shall contain 2% of bentonite by weight of the cement. Grout shall be a pump mix with a minimum of six sacks cement (564 lbs) per cubic yard.

Portland cement, water and sand shall conform to the applicable requirements of the concrete section (Section 03300), except that sand to be used shall be of such fineness that 100% will pass a standard 8-mesh sieve and at least 45%, by weight, will pass a standard 40-mesh sieve.

30 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 01045-3
B. Concrete

Concrete used for the replacement of damaged or removed facilities shall be in accordance with Section 03300 and shall match the mix design of the existing facility and per the requirement of the jurisdictional agency.

PART 3 - EXECUTION

A. Connection to Existing Facilities

1. All connections shall be made by the contractor unless shown otherwise on the plans or specified herein. Cutting of ACP is not allowed. ACP shall be removed and connected to factory joints only.

2. The contractor shall notify the District a minimum of six (6) working days before the time of any proposed shutdown of existing mains or services. The District inspector may postpone or reschedule any shutdown operation if for any reason he feels that the contractor is improperly prepared with competent personnel, equipment, or materials to proceed with the connection work. Due to advance notice requirements, shutdowns will only be scheduled for Tuesdays, Wednesdays, or Thursdays during the work week. Special circumstances may require night or weekend shutdowns.

3. Connections shall be made only in the presence of the District, and no connection work shall proceed until the District has given notice to proceed. If progress is inadequate during the connection operations to complete the connection in the time specified, the District shall order necessary corrective measures. All costs for corrective measures shall be paid by the contractor.

4. The contractor shall furnish all pipe and materials including furnishing all labor and equipment necessary to make the connections, all required excavation, backfill, pavement replacement, lights, and barricades, and may be required to include a water truck, high line hose, and fittings as part of this equipment for making the connections. In addition, the contractor shall assist the District in alleviating any hardship incurred during the shutdown for connections including but not limited to sanitary facilities and water if required.

Standby equipment or materials may be required by the District representative.

5. The contractor will de-water existing mains, as required, in the presence of the District representative.

6. Connections shall be made with as little change as possible in the grade of the new main. If the grade of the existing pipe is below that of the new pipeline, a sufficient length of the new line shall be deepened so as to prevent the creation of any high spot or abrupt changes in grade of the new line. Where the grade of the existing pipe is above that of the new pipeline, the new line shall be laid at specified depth, except for the first joint adjacent to the connection, which shall be deflected as necessary up to 3 ° for DIP or high deflection coupling for PVC to meet the grade of the existing pipe. If sufficient change in direction cannot be obtained by the limited deflection of the first joint, a fitting of the proper angle shall be installed. Where the connection creates a high or low spot in the line, a standard air release or blow off assemble shall be installed as directed by the District representative.

7. Where connections are made to existing valves, the contractor shall furnish and install all temporary blocking, steel clamps, shackles, and anchors as required by the District, and he shall replace the valve riser box and cover and adjust the valve cover to the proper grade in accordance with these specifications. The District will operate all existing valves. All 31 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 01045-4
valves, existing or newly installed, shall be readily accessible at all times to the District for emergency operation.

8. New pipelines shall not be connected to existing facilities until the new pipelines have been successfully tested, disinfected and accepted by the District.

9. Tapping connection can be made to the existing system while it is either in service or shut down depending on the District’s prior direction. A tapping valve shall be used when the existing system is maintained in service during connection. Tapping shall be in accordance with the specification requirements for the pipe being tapped. Size on size taps are not allowed.

10. All saddle connections into existing sewer lines shall be made with a wye saddle. Saddles shall conform to the applicable provisions of the section for the existing sewer line material.

B. Removal from Service of Existing Mains and Appurtenances

1. Existing mains and appurtenances shall be removed from service at the locations shown on the plans or as directed by the District representative, per general notes..

2. Abandoned pipe shall be completely removed or filled with grout or a 1-sack slurry.

3. Existing pipe and appurtenances removed from the ground will require backfill and repair of surface in accordance with Section 02223 or the agency having jurisdiction.

4. Removed pipe and appurtenances may be temporarily stockpiled on the job in a location that will not disrupt traffic or constitute a safety hazard, then disposed of in a proper manner (as determined by the District representative). The contractor shall remove and dispose of all removed pipe at his own expense.

5. Before excavating for installing mains that are to replace existing pipes and/or services, the contractor shall make proper provisions for the maintenance and continuation of service as directed by the District representative unless otherwise specified.

6. If the meter box is to be removed from an abandoned water service, the service line is to be abandoned at the main removing the corporation stop and installing a brass plug in the saddle.crimped and the corporation stop closed and capped. If there is no corporation stop on the service, the adapter is to be removed and a brass plug is to be installed in the service saddle.

7. Asbestos Cement Pipe (ACP) shall be removed and disposed of in a proper, legal manner.

The contractor will be responsible for the proper manifesting of the ACP at an authorized disposal site. See Section 15072 for additional requirements.

8. Sewer lateral connections shall be abandoned at the main. If a factory wye exists, it shall be plugged with an approved mechanical plug. If the lateral connection is a field connection, the section of sewer main containing the connection shall be removed and replaced with approved material and adaptors.

C. Cutting and Restoring Street Surfacing.
32 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 01045-5

1. Where construction is in a State highway, City street or County road, excavation, backfill and resurfacing shall be in accordance with the requirements of the agency having jurisdiction of the street. In general the following shall apply.

2. In cutting or breaking up street surfacing, the contractor shall not use equipment that will damage adjacent pavement.

3. All asphalt and/or Portland cement concrete surfaces shall be scored with sawing equipment of a type meeting the approval of the Agency. Existing paving surfaces shall be saw-cut back beyond the edges of the trenches to form neat square cuts before repaving is commenced.

4. Pavement, sidewalks, curbs, or gutters removed or destroyed in connection with performance of the work shall be saw cut to the nearest score marks, if any, and shall be replaced with pavement sidewalks, curbs, or gutters of the same kind, or better by the contractor in accordance with the latest specifications, rules, and regulations and subject to the inspection of the agency having jurisdiction over the street or highway.

5. Trench backfill above the pipe zone, including the pavement structural section shall be in accordance with the standards of the agency having jurisdiction.

END OF SECTION

33 SECTION 01300 – SUBMITTALS

SECTION 01300 - 1 of 6
PART 1 – GENERAL

1.1 DESCRIPTION

A. This Section specifies the general methods and requirements for submittals including but not limited to shop drawings, product data, samples, potholing records, and operating and instruction manuals. Individual submittal requirements will be detailed in the technical specification sections specific to that item of Work.

B. Submittals shall be in accordance with the requirements of this Section and the District’s General Conditions.

C. Incomplete submittals shall be returned without review comments; no time extensions shall be granted due to incomplete submittals.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. General Conditions

1.3 SHOP DRAWINGS, PRODUCT DATA, SAMPLES

A. Shop Drawings

1. Shop drawings, as required by individual Sections, shall include but are not limited to the custom-prepared data such as fabrication and erection/installation (working) drawings, schedule information, design calculations, setting and/or support diagrams, actual workshop manufacturing instructions, custom templates, coordination drawings, test reports, and certifications, as applicable to the Work.

2. All shop drawings submitted by Subcontractors for approval shall be sent directly to the Contractor for checking. The Contractor shall be responsible for their submission at the proper time so as to prevent delays in delivery of materials.

3. The Contractor shall check all Subcontractor s’ shop drawings regarding measurements, size of members, materials, and details to satisfy him that they conform to the intent of the plans and specifications. Shop drawings found to be inaccurate or otherwise in error shall be returned to the Subcontractors for correction before submission thereof.

4. All details on shop drawings submitted for approval shall clearly show the relationship of the various parts of the work. Where correct fabrication depends on field measurements, such measurements shall be made and noted on the drawings before being submitted for approval.

B. Product Data

1. Product data, as required by individual Sections, shall include but are not limited to standard prepared data for manufactured products, such as the manufacturer's product specification and installation instructions, dimensional and weight information, color and pattern alternatives, manufacturer's printed statements of compliances and applicability, roughing-in diagrams and templates, catalog cuts, 34 SECTION 01300 – SUBMITTALS

SECTION 01300 - 2 of 6
wiring and control diagrams, product photographs, furnished and recommended spare parts and special tools, handling and storage instructions, safety data sheets (SDS), material, production or quality control inspection and test reports and certifications, mill reports, and printed product warranties, as applicable to the Work.

2. Product data shall include provisions for labeling all lockout points.

C. Samples

1. Samples, as required by individual Sections, shall include but are not necessarily limited to individual units of a specific item of Work, portions of an item of Work which represent the whole, examples of an item of Work which represent the actual item to be installed, and any other sample of an item of Work which allows the District’s Representative to determine the suitability of that item.

1.4 CONTRACTOR’S RESPONSIBILITIES

A. The Contractor shall review submittals, shop drawings, product data and samples, including those by Subcontractors, prior to submission to determine accuracy and verify the following:

1. Field measurements

2. Field construction criteria

3. Catalog numbers and similar data

4. Conformance with the Specifications

B. Each submittal shall be accompanied by a Submittal Transmittal sheet. The Contractor shall sign transmittal and certify the contents of the submittal meet the requirements of the Standard Specifications. The cover sheet shall fully describe the packaged data and include a listing of all items within the package. If deviations from the Standard Specifications are contained in the submittal, the Contractor shall provide a written description of any and all deviations for review by the District’s.

C. The review and approval of submittals, shop drawings, samples, or product data by the District shall not relieve the Contractor from his responsibility with regard to the fulfillment of the terms of the Contract. All risks of error and omission are assumed by the Contractor and the District will have no responsibility therefore.

D. No portion of the work requiring a submittal, shop drawing, sample, or product data shall be started nor shall any materials be fabricated or installed prior to the approval or qualified approval of such item. Fabrication performed, materials purchased or on-site prior to receipt of an approved submittal shall be solely at the Contractor's risk. The District will not be liable for any expense or delay due to corrections or remedies required to accomplish conformity with the Standard Specifications.

E. Project work, materials, fabrication, and installation shall conform to approved submittals, shop drawings, applicable samples, and product data. 35 SECTION 01300 – SUBMITTALS

SECTION 01300 - 3 of 6

1.5 SUBMISSION REQUIREMENTS

A. All submittals shall be sufficiently in advance of construction requirements to provide no less than 21 calendar days for review from the time the District receives them. No less than 30 calendar days will be required for review of submittals concerning major equipment, including but not limited to pumps and associated electrical equipment that require review by more than one engineering discipline.

B. Each submittal shall contain three (3 ) hard copies and one (1) electronic copy (PDF) of all shop drawings and product data, where one (1) copy of the reviewed submittal will be returned to Contractor.

C. Each submittal shall be assigned a number starting with “No. 001” and thence numbered consecutively. Resubmittals shall be identified by the original submittal number followed by the suffix “A” for the first resubmittal, the suffix “B” for the second resubmittal, and so forth.

E. Submittals shall be clearly typed, legible, and complete with the following:

1. The date of submission and the dates of any previous submissions.

2. The Project title and number.

3. Contractor identification.

4. The names of:

a. Contractor
b. Supplier
c. Manufacturer

5. Identification of the product, with the specification section number, page and paragraph(s).

6. Field dimensions, clearly identified as such.

7. Quantities of items, units and/or components to be supplied.

8 . Relation to adjacent or critical features of the Work or materials.

9. Applicable standards, such as ASTM or Federal Specification numbers.

10. Identification of deviations from the Standard Specifications.

1 1. Identification of revisions on resubmittals.

12. A blank space sized for District and engineer review stamps.

13. Bear the Contractor's Certification Statement with signature on the cover sheet.

36 SECTION 01300 – SUBMITTALS

SECTION 01300 - 4 of 6
F. Shop drawings and product data sheets 11- inch by 17- inch and smaller shall be bound together in an orderly fashion.

1.5 REVIEW OF SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES

A. The District's review of submittals is for general conformance with the design concept and the Standard Specifications. Markings or comments shall not be construed as relieving the Contractor from compliance with the plans, specifications, and the Standard Specifications or from correcting Work which is not in compliance. The Contractor remains responsible for details and accuracy, for coordinating the work with all other associated work and trades, for selecting fabrication processes, for techniques of assembly, and for performing work in a safe manner.

B. The review of shop drawings, data, and samples shall NOT be construed:

1. As permitting any departure from requirements of the Standard Specifications ;

2. As relieving the Contractor of responsibility for any errors, including details, dimensions, and materials;

3. As approving departures from details furnished by the District, except as otherwise provided herein.

C. If a submittal describes variations and shows a departure from requirements of the Standard Specifications which the District finds to be in the interest of the District and to be so minor as not to involve a change in cost or time for performance, the District may return the reviewed drawings without noting an exception.

D. Submittals will be returned to the Contractor under one of the following codes.

1 . Code 1 - "NO EXCEPTIONS TAKEN" is assigned when there are no notations or comments to the submittal. When returned under this code the Contractor may release the equipment and/or material for manufacture.

2 . Code 2 - "MAKE CORRECTIONS NOTED/CONFIRM" is assigned when notation and comments to the submittal are minor and only a confirmation of the notations and comments is required by the Contractor. The Contractor’s resubmittal need only address the omissions and nonconforming items that were noted. The Contractor may release the equipment or material for manufacture; however, all notations and comments must be incorporated into the final product.

3 . Code 3 - "AMEND/RESUBMIT” is assigned when notations and comments are extensive enough to require a resubmittal due to noncompliance with the Standard Specifications. The omissions and nonconforming items must be corrected and the entire package resubmitted. This code generally means that the equipment or material cannot be released for manufacture unless the Contractor takes full responsibility for providing the submitted items in accordance with the Standard Specifications and with all comments and notations incorporated into the final product.

37 SECTION 01300 – SUBMITTALS

SECTION 01300 - 5 of 6

4. Code 4 - "REJECTED" is assigned when the submittal does not meet the intent of the Standard Specifications. The Contractor must resubmit the entire package revised to bring the submittal into conformance with the Standard Specifications.

It may be necessary for the Contractor to resubmit using a different manufacturer/vendor to meet the Standard Specifications.

5. Code 5 - "COMMENTS ATTACHED" is assigned where there are comments attached to the returned submittal which provide additional data to aid the Contractor.

6 . Code 6 - "FOR YOUR INFORMATION" is assigned when the package provides information of a general nature that may or may not require a response.

7 . Codes 1 through 4 designate the status of the reviewed submittal with Code 5 showing there has been an attachment of additional data. Code 6 is used as necessary.

E. Resubmittals will be handled in the same manner as first submittals with no less than 21 calendar days required for review. For resubmittals, the Contractor shall direct specific attention, in writing on the letter of transmittal and on resubmitted shop drawings by use of revision triangles or other similar methods, to any revisions including those corrections requested by the District on previous submissions. Any such revisions which are not clearly identified shall be made at the risk of the Contractor. The Contractor shall make corrections to any work done because of this type of revision that is not in accordance with the Standard Specifications as may be required by the District.

F. Partial submittals may not be reviewed. The District will be the only judge as to the completeness of a submittal. Incomplete submittals will be returned to the Contractor , and will be considered "Rejected" until resubmitted. The District may at its option provide a list or mark the submittal directing the Contractor to the areas that are incomplete.

1.6 PROFESSIONAL ENGINEER (P.E.) CERTIFICATION FORM

A. If specifically required in other Sections of these Specifications, the Contractor shall submit a P.E. Certification for each item required completely filled in and stamped.

1.7 GENERAL PROCEDURES FOR SUBMITTALS

A. Coordination of Submittal Times: Prepare and transmit each submittal sufficiently in advance of performing the related work or other applicable activities, or within the time specified in the individual work sections, of the Specifications, so that the installation will not be delayed by processing times including disapproval and resubmittal (if required), coordination with other submittals, testing, purchasing, fabrication, delivery and similar sequenced activities. No extension of time will be authorized because of the Contractor's failure to transmit submittals sufficiently in advance of the Work.

1.8 PAYMENT

A. Payment for cost of preparation and revisions to submittals shall be at no cost to the District and no additional compensation shall be made therefor. 38 SECTION 01300 – SUBMITTALS

SECTION 01300 - 6 of 6

B. It is considered reasonable that the Contractor shall make a complete and acceptable submittal to the District’s Representative by the second submission (first resubmittal) of a submittal. The District reserves the right to withhold payment due to the Contractor or request payment from the Contractor to cover additional costs of review beyond the second submission (first resubmittal).

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXECUTION (NOT USED)

**END OF SECTION**

39 SECTION 01730 – OPERATION AND MAINTENANCE DATA

SECTION 01730 - 1 of 3
PART 1 - GENERAL

1.1 DESCRIPTION

A. The Contractor shall provide operation and maintenance data prior to final acceptance in the form of instructional manuals for use by the District's personnel for all equipment and systems including but not limited to pumps, motors, and drives, all valves, gates and related accessories, and all instruments and control devices.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. Section 01300 –
Submittals

1.3 SUBMITTALS

A. The following shall be submitted in compliance with the Standard Specifications:

1. The Contractor shall submit six (6) copies of all the operations and maintenance data to the District within 30 days after approval of the final Shop Drawing.

2. Provide a letter of transmittal with each submittal and include the following in the letter:

a. Date of submittal.
b. Contract title and number.
c. Contractor's name and address.
d. A list of the attachments and the Specification Sections to which they relate.
e. Reference to or explanation of related submittals already made or to be made at a future date.

1.4 OPERATION AND MAINTENANCE DATA

A. The term "operation and maintenance data" includes all product related information and documents which are required for preparation of the operation and maintenance manual. It also includes all data, which must accompany said manual as directed by current regulations of any participating government agency.

B. Required operation and maintenance data includes, but is not limited to, the following:

1. Complete, detailed written operating instructions for each product or piece of equipment including: equipment function; operating characteristics; limiting conditions; operating instructions for startup, normal and emergency conditions; regulation and control; and shutdown.

2. Complete, detailed written preventive maintenance instructions. The term "preventive maintenance instructions" includes all information and instructions required to keep a product or piece of equipment properly lubricated, adjusted and maintained so that the item functions properly throughout its full design life.

a. Preventive maintenance instructions include, but are not limited to, the following:
40 SECTION 01730 – OPERATION AND MAINTENANCE DATA

SECTION 01730 - 2 of 3

i. Written explanation with illustrations for each preventive maintenance task.
ii. Recommended schedule for execution of preventive maintenance tasks.
iii. Lubrication charts.
iv. Table of alternative lubricants.
v. Trouble shooting instructions.
vi. List of required maintenance tools and equipment.

3. A functional lockout/tagout standard operating procedure for the equipment/machinery that describes how the equipment/ machinery are to be locked out and where it can be tagged out.

4. Recommended spare parts lists and local sources of supply for parts.

5. Written explanations of all safety considerations relating to operation and maintenance procedures.

6. Name, address and phone number of manufacturer, manufacturer's local service representative, and Subcontractor or installer.

7. Copy of all approved Shop Drawings, and copy of warranty bond and service contract as applicable.

C. Format Requirements:

1. The Contractor shall use eight and a half inch (8 ½”) by eleven inch (11”) paper of high quality. Larger drawings or illustrations are acceptable if neatly folded to the specified size in a manner, which will permit easy unfolding without removal from the binder. Provide reinforced punched binder tab or provide fly-leaf for each product.

2. All text must be legible typewritten or machine printed originals or high quality copies of same.

3. Each page shall have a binding margin of approximately one and a half inches (1 ½”) and be punched for placement in a three ring loose-leaf or triple post binder.

Provide binders not less than one inch or more than two and a half inches (2 ½”) thick. Identify each binder on the spine and outside front cover with the following:

a. "OPERATING AND MAINTENANCE INSTRUCTIONS".
b. Project name, and number (if applicable).
c. Identity of building, structure or area as applicable. d. Identity of general subject matter covered.

4. The Contractor shall use dividers and typewritten indexed tabs between major categories of information such as operating instructions, preventive maintenance instructions, or other. When necessary, place each major category in a separate binder.

41 SECTION 01730 – OPERATION AND MAINTENANCE DATA

SECTION 01730 - 3 of 3

5. The Contractor shall provide a table of contents for each binder.

6. The Contractor shall identify products by their functional names in the table of contents and at least once in each chapter or Section. Thereafter, abbreviations and acronyms may be used if their meaning is explained in a table in the back of each binder. Use of model or catalog numbers or letters for identification is not acceptable.

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXECUTION (NOT USED)

**
END OF SECTION**
42 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02200-1

STANDARD SPECIFICATIONS

SECTION 02200

STRUCTURE EARTHWORK

PART 1 - GENERAL

A. Description

This section includes excavation, backfilling, materials, testing, and shoring for structures.

B. Related Work Specified Elsewhere

All related work specified elsewhere, or referenced in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Trenching, Backfilling, and Compacting: 02223

2. Concrete: 03300

C. Testing for Compaction

Testing for compaction shall conform to Section 02223.

D. Definition of Zones

1. Pavement and street zones shall be as specified in Section 02223.

2. Backfill zone is the backfill from the bottom of the structure excavation to the bottom of the street zone in paved areas or to the existing surface in unpaved areas.

E. Permits

All work shall conform to the specifications and requirements of the State of California Department of Transportation, San Diego County, the city having jurisdiction, or any other affected agencies involved. The contractor shall keep a copy of all the required permits in the job site and comply with all the terms and conditions of said permits.

PART 2 - MATERIALS

Native earth backfill, imported backfill material, granular material, imported sand, and crushed rock shall conform to the requirements of Section 02223.

43 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02200-2

PART 3 - EXECUTION

A. Compaction Requirements

1. Backfill in Street Zone: minimum per jurisdictional agency or 95% relative compaction

2. Structural Backfill: 90% relative compaction

3. Gravel Base: 90% relative compaction

4. Adjacent to existing structures: 95% relative compaction

B. Sidewalk, Pavement, and Curb Removal

1. Saw cut bituminous or concrete pavements regardless of their thickness, and curbs and sidewalks prior to excavation for the structure in accordance with the requirements of the city, or agency having jurisdiction. Curbs and sidewalks that are damaged in the course of construction shall be cut and removed from joint to joint.

2. Haul removed pavement and concrete materials from the site, to a proper disposal facility.

These materials are not permitted for use as backfill.

C. De-watering

1. Obtain NPDES discharge permit and provide and maintain means and devices to continuously remove and dispose of all water entering the excavation during construction of the structure and all backfill operations.

2. Dispose of the water in a manner to prevent damage to adjacent property and pipe trenches.

3. Do not allow water to rise in the excavation until backfilling around and above the structure is completed.

4. Removal, disposal and reporting of trench water shall conform to the requirements of the NPDES permit. A copy of the permit shall be provided to the District.

5. The sewer system shall not be used as a drain for de-watering.

D. Structure Excavation

1. Structure excavation shall include the removal of all material of whatever nature necessary for the construction of structures and foundations in accordance with the plans and these specifications.

2. The sides of excavations for structures shall be sufficient to leave at least a 2-foot clearance, as measured from the extreme outside of form work or the structure, as the case may be.

3. Surplus material shall be disposed of by the contractor in accordance with Section 02223.

44 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02200-3

E. Correction of Over Excavation

1. Where excavation is inadvertently carried below design depths, suitable provision shall be made by the contractor to adjust construction, as recommended by the soils engineer and directed by the District representative, to meet requirements incurred by the deeper excavation.

2. No earth backfill will be permitted to correct over excavation beneath structures.

3. Over excavation shall be corrected by backfilling with crushed rock or concrete, as directed by the District representative.

F. Bracing

1. The contractor's design and installation of bracing and sheeting shall take the necessary precautions to be consistent with the rules, orders, and regulations of the State of California Construction Safety Orders.

2. Excavations shall be so braced, sheeted, and supported that they will be safe, such that the walls of the excavation will not slide or settle and all existing improvements of any kind, either on public or private property, will be fully protected from damage.

3. The sheeting, shoring, and bracing shall be arranged so as not to place any stress on portions of the completed work.

4. Carefully remove sheeting, shoring, bracing, and timbering to prevent the caving or collapse of the excavation faces being supported.

G. Backfill

1. After structures and foundations are in place, backfill shall be placed to the original ground line or to the limits designated on the plans.

2. No material shall be deposited against concrete structures until the concrete has reached a compressive strength of at least 3,000 pounds per square inch as tested per Section 03300.

3. Imported sand or granular material shall be placed in horizontal layers not exceeding 12 inches in depth.

4. Each layer of backfill material shall be moistened and thoroughly tamped, rolled, or otherwise compacted to the specified relative density.

5. Carefully operate compaction equipment near structures to prevent their displacement or damage. Structural fill is to be placed and compacted in uniform layers around all sides of the structure.

6. One-sack cement slurry may be used as structural backfill material or above the pipe zone if applicable (Per Governing Agency).

45 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02200-4

H. Pavement Replacement

Pavement replacement shall be in accordance with the requirements of the city or the agency having jurisdiction.

I. Permits

An Encroachment Permit and/or an Excavation Permit from the city or agency having jurisdiction is required prior to any work within public right-of-way. All traffic control and pavement replacement work shall be in accordance with the requirements of the permit and the agency Inspector.

A permit from OSHA is required of any excavation exceeding 5 feet.

Follow all restrictions of the required permits from other agencies.

END OF SECTION
46 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-1

STANDARD SPECIFICATIONS

SECTION 02223

TRENCHING, BACKFILLING, AND COMPACTING

PART 1 - GENERAL

A. Description

This section includes materials, testing, and installation for trench excavation, backfilling, and compacting.

B. Related Work Specified Elsewhere

All related work specified elsewhere, or referenced in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

C. Testing for Compaction

1. Determine the density of soil in place by the use of a sand cone, drive tube, or nuclear tester.

2. Determine laboratory moisture-density relations of existing soils by ASTM D 1557.

3. Determine the relative density of cohesionless soils by ASTM D 2049.

4. Sample backfill materials by ASTM D 75.

5. Express "relative compaction" as the ratio, expressed as a percentage, of the in place dry density to the laboratory maximum dry density.

6. Compaction shall be deemed to comply with the specifications when no test falls below the specified relative compaction.

7. The developer will secure the services of a soils tester and pay the costs of all compaction testing. Test results will be furnished by the Developers .

D. Pavement Zone

The pavement zone includes the asphalt concrete and aggregate base pavement section placed over the trench backfill.

E. Street Zone

47 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-2
The street zone is the top 36 inches of the trench or depth determined by the jurisdictional agency immediately below the pavement zone in paved areas.

F. Trench Zone

The trench zone includes the portion of the trench from the top of the pipe zone to the bottom of the street zone in paved areas or to the existing surface in unpaved areas.

G. Pipe Zone

The pipe 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. Where multiple pipes or conduits are placed in the same trench, the pipe zone shall extend from the bottom of the lowest pipes to a horizontal level 12 inches above the top of the highest or topmost pipe.

H. Pipe Bedding

The pipe bedding shall be defined as a layer of material immediately below the bottom of the pipe or conduit and extending over the full trench width in which the pipe is bedded. Thickness of pipe bedding shall be as shown on the drawings or as described in these specifications for the particular type of pipe installed.

I. Excess Excavated Material

1. The contractor shall make the necessary arrangements for and shall remove and legally dispose of all excess excavated material unless indicated differently in the special provisions for any job.

2. It is the intent of these specifications that all surplus material not suitable for backfill or fill shall be properly disposed of by the contractor at his expense at a legal disposal site.

3. No excavated material shall be deposited on private property unless written permission from the owner thereof is secured by the contractor. Before the District will accept the work, the contractor shall file a written release signed by all property owners with whom he has entered into agreements for disposing excess excavated material, absolving the District from any liability connected therewith.

4. The contractor shall obtain a haul route permit from the city or agency having jurisdiction.

J. Safety

1. All excavations shall be performed, protected, and supported as required for safety and in the manner set forth in the operation rules, orders, and regulations prescribed by the Division of Industrial Safety of the State of California.

2. Barriers shall be placed at each end of all excavations and at such places as may be necessary along excavations to warn all pedestrians and vehicular traffic of such excavations. Lights shall also be placed along excavations from sunset each day to sunrise of the next day until such excavation is entirely refilled. 48 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-3

3. No trench or excavation shall remain open during non-working hours. The trench or excavation shall be covered with steel plates, spiked in place, or secured with temporary A.C. pavement around the edges, or backfilled per Governing Agency.

4. The contractor shall notify the District of all work-related accidents which occur to persons or property at or near the project site, and shall provide the District with a copy of all accident reports. All accident reports shall be signed by the contractor or its authorized representative and submitted to the District’s authorized representative within twenty-four (24) hours of the accident’s occurrence.

K. Access

Unobstructed access must be provided to all driveways, water valves, hydrants, or other property or facilities that require routine use.

L. Permits

All work shall conform to the specifications and requirements of the State of California Department of Transportation, San Diego County, the city having jurisdiction, and/or other agencies involved.

The contractor shall keep a copy of all the required permits in the job site and comply with all the terms and conditions of said permits.

M. Slope Protection (Slope Anchors)

Slope protection shall be installed where shown on the plans in accordance with plan details, wherever the profile of the ground surface above the water or sewer main exceeds 20%, and where no pavement or other permanent surfacing is to be laid over the facility.

PART 2 - MATERIALS

A. Native Earth Backfill

1. The use of native earth as backfill material requires the approval of the District representative in all cases. A soils engineer shall provide testing and recommendations for suitability of excavated material for use as backfill.

2. Generally, native earth backfill, acceptable for use, shall be fine-grained material free from roots, debris, and rocks with a maximum dimension not larger than 3 inches.

3. Native backfill shall not be used in the pipe zone.

B. Imported Backfill Material

1. Whenever the excavated material is not suitable for backfill, the contractor shall arrange for and furnish suitable imported backfill material that is capable of attaining the required relative density. Backfill material shall meet the requirements of the agency having jurisdiction. A soils report or other certification shall be submitted for imported material.

2. The contractor shall dispose of the excess trench excavation as specified in the preceding section. Backfilling with imported material shall be done in accordance with the methods described herein or in accordance with the requirements of the agency having jurisdiction. 49 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-4
C. Granular Material

Granular material shall be defined as soil having a minimum sand equivalent of 30 as determined in accordance with State of California, Division of Highways, Test "California 217", with not more than 20% passing a 200-mesh sieve. Certification shall be provided.

D. Imported Sand

Imported sand shall have a minimum sand equivalent of 30 per State of California, Division of Highways, Test "California 217", with 100% passing a 3/8-inch sieve and not more than 20% passing a 200-mesh sieve. Certification that the sand meets this requirement shall be provided.

E. Crushed Rock and Gravel

1. Crushed rock shall be the product of crushing rock or gravel. Fifty percent of the particles retained on a 3/8-inch sieve shall have their entire surface area composed of faces resulting from fracture due to mechanical crushing. Not over 5% shall be particles that show no faces resulting from crushing. Less than 10% of the particles that pass the 3/8-inch sieve and are retained on the No. 4 sieve shall be weatherworn particles. Gravel shall not be added to crushed rock.

2. Gravel shall be defined as particles that show no evidence of mechanical crushing, are fully weatherworn, and are rounded. For pipe bedding, where gravel is specified, crushed rock may be substituted or added with District approval.

3. Where crushed rock or gravel is specified in the bedding details on the plans, the material shall have the following gradations:

Sieve Size
1-1/2 Inch Max
Gravel % Passing
1-inch Max
Gravel %
Passing
¾ Inch Max Crushed
Rock % Passing
2” 100
1-1/2” 90 – 100 100
1” 20 – 55 90 – 100 100
¾” 0 – 15 60 – 80 90-100
½” - - 30 – 60
3/8” 0 –5 0 – 15 0 – 20
No. 4 - 0 – 5 0 – 5
No. 8 - - -

4. Mirafi Placed between pipezone and trenchzone per S-12 F. Sand-Cement Slurr

Sand-cement slurry shall consist of one sack (94 pounds) of Portland cement per cubic yard of sand and sufficient moisture for workability.

50 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-5

PART 3 - EXECUTION

A. Compaction Requirements

1. The developer will engage the services of a qualified soils engineering firm to determine the relative compaction of the trench backfill.

2. If the backfill fails to meet the specified relative compaction requirements, the contractor shall rework the backfill until the requirements are met.

3. Compaction tests shall be performed at random depths and at 200-foot intervals and as directed by the District representative.

4. Unless otherwise shown on the drawings or otherwise described in the specifications for the particular type of pipe installed, relative compaction in pipe trenches shall be as described below:

a. Pipe zone and pipe base: 90% relative compaction

b. Trench zone not beneath pavin g: 90% relative compaction

c. Trench zone to street zone in paved areas: 90% relative compaction

d.

Street zone in paved areas: per agency requirements. The most stringent agency requirements shall prevail

e. Rock refill material for foundation stabilization: 90% relative density

f. Rock refill for over excavation: 90% relative density or per soils engineer.

g. Within one foot around structures.

B. Material Replacement

Removal and replacement of any trench and backfill material which does not meet the specifications shall be the contractor's responsibility.

C. Clearing and Grubbing

1. Areas where work is to be performed shall be cleared of all trees, shrubs, rubbish, and other objectionable material of any kind which, if left in place, would interfere with the proper performance or completion of the contemplated work, would impair its subsequent use, or would form obstructions therein.

2. Organic material from clearing and grubbing operations shall not be incorporated in the trench backfill.

3. Organic material from clearing and grubbing operations will be disposed of at a legal waste disposal facility.

51 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-6
D. Sidewalk, Pavement, and Curb Removal

1. Saw cut bituminous or concrete pavements regardless of their thickness, and curbs and sidewalks prior to excavation for the structure in accordance with the requirements of the city, or agency having jurisdiction. Curbs and sidewalks that are damaged in the course of construction shall be cut and removed from joint to joint.

2. Haul removed pavement and concrete materials from the site, to a legal disposal facility.

These materials are not permitted for use as trench backfill.

E. Trenching and Tunneling

1. Excavation for pipe, fittings, and appurtenances shall be open trench to the depth and in the direction necessary for the proper installation of the facilities as shown on the plans.

2. Trench banks shall be kept as near to vertical as possible and shall be properly braced , shored and sheeted.

3. Tunneling will not be permitted.

4. The use of a jack and bore or hydraulic ram may be employed with approval of the District .

F. Bracing

1. The contractor's design and installation of bracing and shoring shall be consistent with the rules, orders, and regulations of the State of California Construction Safety Orders.

2. Excavations shall be so braced, sheeted, and supported that they will be safe such that the walls of the excavation will not slide or settle and all existing improvements of any kind, either on public or private property, will be fully protected from damage.

3. The sheeting, shoring, and bracing shall be arranged so as not to place any stress on portions of the completed work until the general construction thereof has proceeded far enough to provide ample strength.

4. Care shall be exercised in the drawing or removal of sheeting, shoring, bracing, and timbering to prevent the caving or collapse of the excavation faces being supported.

G. Trench Widths

1. Excavation and trenching shall be true to line so that a clear space of not more than 9 inches or less than 6 inches in width is provided on each side of the largest outside diameter of the pipe in place measured at a point 12 inches above the top of the pipe. For the purpose of this section, the largest outside diameter shall be the outside diameter of the bell on bell and spigot pipe or the pipe collar.

2. Where the sewer trench width, measured at a point 12 inches above the top of the bell of the pipe, is wider than the maximum set forth above, the trench area around the pipe shall be backfilled with crushed rock for PVC and VCP pipe material and sand for DIP material.

H. Length of Open Trench

The maximum allowable length of open trench shall be 500 feet, or the distance necessary to accommodate the amount of pipe installed in a single day, whichever is less. Within developed 52 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-7
areas, the length of open trench may be restricted as determined by the encroachment permit from the city or the agency having jurisdiction.

I. Grade

1. Excavate the trench to the lines and grades shown on the drawings with allowance for pipe thickness and for pipe base or special bedding.

2. The trench bottom shall be graded to provide a smooth, firm, and stable foundation that is free from rocks and other obstructions and shall be at a reasonably uniform grade.

J. Correction of Over Excavation

1. Where excavation is inadvertently carried below the design trench depth, suitable provision shall be made by the contractor to adjust the excavation, as recommended by the soils engineer and directed by the District representative, to meet requirements incurred by the deeper excavation.

2. Over excavations shall be corrected by backfilling with approved graded crushed rock or gravel and shall be compacted to provide a firm and unyielding subgrade or foundation, as directed by the District representative.

K. De-watering

1. The contractor shall provide and maintain at all times during construction ample means and devices with which to promptly remove and properly dispose of all water from any source entering the excavations or other parts of the work. De-watering shall be done by methods that will ensure a dry excavation and preservation of the final lines and grades of the bottoms of excavations. De-watering methods may include well points, sump points, suitable rock or gravel placed below the required bedding for drainage and pumping, temporary pipelines, and other means, all subject to the approval of the District representative. Water shall be discharged in accordance with the requirements of the District or contractor NPDES permit.

2. The sewer system shall not be used as a drain for de-watering the construction trenches.

3. De-watering shall commence when groundwater is first encountered and shall be continuous until such times as water can be allowed to rise. No concrete shall be poured in water, nor shall water be allowed to rise around the concrete or mortar until it has set at least eight hours.

L. Foundation Stabilization

1. Whenever the trench bottom does not afford a sufficiently solid and stable base to support the pipe or appurtenances, the contractor shall excavate to a depth below the design trench bottom, as recommended by the soils engineer and directed by the District representative, and the trench bottom shall be backfilled with 3/4-inch rock and compacted to provide uniform support and a firm foundation.

2. Where rock is encountered, it shall be removed to a depth at least 6 inches below grade and the trench shall be backfilled with 3/4-inch crushed rock to provide a compacted foundation cushion.
53 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-8

3. If excessively wet, soft, spongy, unstable, or similarly unsuitable material is encountered at the surface upon which the bedding material is to be placed, the unsuitable material shall removed to a depth as recommended by the soils engineer and replaced by crushed rock, or as recommended by the soils engineer.

M. Excavated Material

1. All excavated material shall not be stockpiled in a manner that will create an unsafe work area or obstruct sidewalks or driveways. Gutters shall be kept clear or other satisfactory measures shall be taken to maintain street or other drainage.

2. In confined work areas, the contractor may be required to stockpile the excavated material off-site, as determined by the project permits.

N. Placing Pipe Bedding

1. Place the thickness of pipe bedding material over the full width of trench necessary to produce the required bedding thickness when the material is compacted to the specified relative density. Grade the top of the pipe bedding ahead of the pipe to provide firm, uniform support along the full length of pipe.

2. Excavate bell holes at each joint to permit assembly and inspection of the entire joint.

O. Backfilling within Pipe Zone

1. Backfill per the detailed piping specification for the particular type of pipe and per the following.

2. After pipe has been installed in the trench, place pipe zone material simultaneously on both sides of the pipe, 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 that 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.

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

P. Backfill within Trench Zone

1. Compact per the detailed piping specification for the particular type of pipe and per the following.

2. Push the backfill material carefully onto the backfill previously placed in the pipe 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.

3. The remaining portion of the trench to the street zone or ground surface, as the case may be, shall be backfilled, compacted and/or consolidated by approved methods to obtain the specified relative compaction.

54 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-9
a. Compaction using vibratory equipment, tamping rollers, pneumatic tire rollers, or other mechanical tampers shall be done with the type and size of equipment necessary to accomplish the work. The backfill shall be placed in horizontal layers of such depths as are considered proper for the type of compacting equipment being used in relation to the backfill material being placed. Each layer shall be evenly spread, properly moistened, and compacted to the specified relative density.

The contractor shall repair or replace any pipe, fittings, manholes, or structures as directed by the District representative damaged by the contractor's operations.

b.

Consolidation of backfill performed by flooding, poling, or jetting is not allowed except when recommended by a soils engineer and expressly approved by the District.

Q. Backfill within Street Zone

1. The street zone within roadbed areas shall be compacted using approved hand, pneumatic, or mechanical type tampers to obtain the required relative compaction.

2. All work shall be done in accordance with the requirements and to the satisfaction of the city or the agency having jurisdiction.

3. Flooding and jetting will not be permitted in this Zone.

S. Sidewalk, Pavement, and Curb Replacement

Replace bituminous and concrete pavement, curbs, and sidewalks damaged or removed during construction in accordance with the requirements of the city or the agency having jurisdiction.

T. Slope Protection (Slope Anchors and Cut-off Wall s)

1. Where cutoff walls or concrete anchors are required, they shall be in accordance with the approved plans, specifications and details. Generally, they shall be a minimum thickness of 12 inches and shall extend at least 12 inches to undisturbed material on each side of the trench as excavated. Cemented rubble and concrete surface slope protection shall be a minimum of 4-inches thick.

2. Wall or anchors shall be placed with a minimum horizontal spacing of:

a. Not over 36 feet center to center on grades 25% to 35%

b.

Not over 24 feet center to center on grades 35% to 50%

c. Not over 16 feet center to center on grades 50% and over

3. Material used for construction of cutoff walls or concrete anchors shall consist of cast- in- place reinforced concrete or reinforced hollow unit masonry. When reinforced hollow unit masonry is used, all cells in the block shall be filled solidly with grout. A No. 4 reinforcing bar shall be placed in vertically in each row of cells and No. 9-gage wall mesh shall be placed in each horizontal joint. In addition, a bond beam shall be placed at the top with two No. 4 bars.

55 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 02223-10
Where cutoff walls or concrete anchors are constructed of reinforced concrete, they shall have No. 4 reinforcing bars placed at 6-inches on center each way in the center of the wall. The bars shall extend full length and height of the wall.

END OF SECTION
56 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 09900-1

STANDARD SPECIFICATIONS

SECTION 09900

PAINTING AND COATING

PART 1 - GENERAL

A. Description

This section pertains to District distribution piping and appurtenances and includes the materials and application of painting and coating systems for buried and exposed surfaces. This section does not apply to piping and appurtenances within structures, or to vaults, tanks or structures, or any District facilities which are constructed with their own set of plans and specifications.

B. Related Work Described Elsewhere

All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Ductile-Iron Pipe and Fittings: 15056

2. Manual Valves: 15100

3. Fire Hydrants: 15139

C. Approved Manufacturers: See Approved Materials List

1. Organic Zinc Primer
Koppers
Tnemec 90- 93
Rust-Oleum

2. Alkyd Enamel
Koppers Glamortex 501
Dunn-Edwards Syn-Lustro
Rust-Oleum Industrial Enamel
Tnemec Endura Shield IV
57 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 09900-2

3. Epoxy Paint
a. Field Applied
Koppers 200
Tnemec Series 66 Epoxoline
Rust-Olem 9100 High Performance Epoxy

b. Factory Applied
Keysite 750
Tnemec Series 140 NSF 61

c. Factory Applied
Fusion Bonded Epoxy
3M Scotchkote 134 NSF 61

4. Bituminous Mastic
Minnesota Mining and Manufacturing EC 244
Koppers (Supertank) 505

D. Paint Schedule

It is desired that above ground or exposed facilities be color coded for domestic water or fire facilities.

1. Domestic Water System

a. Above Ground Piping, Valves and Enclosures: National Blue FSC Coatings – Silicone PolyPlus

b. Public Fire Hydrants: Safety Yellow
FSC Coatings – Silicone PolyPlus

c. Private Fire System: ANSI Safety Red

PART 2 - MATERIALS

A. Primer

1. All primer shall be synthetic-alkyd based.

2. All primer shall contain not less than 73% solids by volume and not less than 54% pigment by weight.

3. All primer shall contain not less than 43% zinc chromate pigment and 14% red iron oxide pigment by weight.

58 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 09900-3
B. Alkyd Enamel

1. All enamels shall be synthetic-alkyd based.

2. All enamels shall be lead-free.

3. All enamels shall be high gloss industrial type intended for use on exterior metal surfaces.

4. All enamels shall contain not less than 60% solids by volume and not less than 30% pigment by weight.

C. Non-Oxide Grease and Wax Tape

1. Bituminous mastic shall be coal-tar pitch based.

2. Bituminous mastic shall have a minimum of 68% solids by volume.

D. Epoxy Paint

1. Epoxy shall be a colored polyamide cured epoxy with not less than 49% solids by volume.

2. All coatings and pigments to be used on domestic water services shall have FDA approval for use with domestic water.

PART 3 - EXECUTION

A. Surface Preparation

1. Do not sandblast or prepare more surface area than can be coated in one day. Remove all sharp edges, burrs, and weld spatter. Do not sandblast epoxy-coated pipe that has already been factory coated.

2. Surface preparation shall conform to the SSPC specifications as described below:

Solvent Cleaning SP-1
Hand Tool Cleaning SP-2
Power Tool Cleaning SP-3
White Metal Blast Cleaning SP-5
Commercial Blast Cleaning SP-6
Brush-Off Blast Cleaning SP-7
Pickling SP-8
Near-White Blast Cleaning SP-10

3. Wherever the words "solvent cleaning," "hand tool cleaning," "wire brushing," or "blast cleaning" or similar words are used in these specifications or in paint manufacturer's specifications, they shall be understood to refer to the applicable SSPC (Steel Structure Painting Council, Surface Preparation Specifications, ANSI A159.1) specifications listed above.

59 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 09900-4
B. Painting Systems

1. All materials of a specified painting system, including primer, intermediate, and finish coats, shall be produced by the same manufacturer. Thinners, cleaners, driers, and other additives shall be as recommended by the paint manufacturer for the particular coating system.

2. Deliver all paints to the job site in the original, unopened containers.

C. Surfaces Not To Be Coated

The following surfaces shall not be painted and shall be protected during painting of adjacent areas:

1. Stainless steel

2. Metal letters

3. Nameplates

4. Grease fittings

5. Brass and copper

6. Buried pipe, unless specifically required in the piping specifications

7. Bronze meters and strainers
D. Protection of Surfaces Not To Be Painted

Remove, mask, or otherwise protect hardware, lighting fixtures, switch plates, aluminum surfaces, machined surfaces, couplings, shafts, bearings, nameplates on machinery, and other surfaces not intended to be painted. Provide drop cloths to prevent paint materials from falling on or marring adjacent surfaces. Protect working parts of mechanical and electrical equipment from damage during surface preparation and painting process. Mask openings in motors to prevent paint and other materials from entering the motors.

E. Field Touch Up of Manufacturer-Applied Prime Coats

Surfaces that are primed at the place of manufacture shall receive a field touch-up of organic zinc primer to cover all scratches or abraded areas.

F. Alkyd Enamel

1. The following items shall be painted using an alkyd enamel system:

a. All aboveground or exposed piping and all piping in vaults

b.

Fire hydrants

c. Valve box lids

d.

Air release valves

e. All exposed metalwork as directed by the District representative 60 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 09900-5

2. Surface Preparation:

a. All rust, mill scale, or weld splatter shall be removed by sandblasting or power tool cleaning.

b. All unpainted surfaces shall be solvent cleaned in accordance with SP- 1.

c. All abraded or scratched enamel coatings shall be sanded smooth or receive power tool cleaning per SP-3.

d. All failures in the existing coating shall be sandblasted in accordance with SP- 6.

e. All existing surfaces to be repainted shall be washed with TSP, or other cleanser suitable for removing grease, dust or other residue, and a stiff bristle brush.

3. All unpainted or damaged surfaces shall be coated with primer to a dry-film thickness of not less than 2 mils.

4. The finish coats shall be two or more coats of alkyd enamel applied to a dry-film thickness of 3 mils, providing a total painted dry film thickness of not less than 5 mils.

G. Non-Oxide Grease and Wax Tape

1. Buried metal (flanges, non-stainless steel nuts and bolts, flexible couplings, exposed reinforcing steel, etc.) shall be coated with a non-oxide grease and wax tape.

2. All surfaces coated with bituminous mastic shall be covered with 8 mil polyethylene wrap

H. Epoxy Coating

1. Only those metal surfaces specifically called out shall be epoxy coated.

2. Epoxy lining and coating of valves shall be per AWWA C550 and Section 15100 Manual Valves. All valves shall be lined and coated by manufacturer.

3. Surfaces to be epoxy coated shall be sandblasted to SP-6 requirements.

4. Sandblasted surfaces shall be coated with organic zinc primer to a dry film thickness of 3 mils.

5. Apply two coats of epoxy paint (4 mils each) to the primed surface. The manufacturer's recommended drying time between coats shall be followed.

6. Prepare multiple-component coatings using all of the contents of the container for each component as packaged by the paint manufacturer. Do not use partial batches. Do not use multiple-component coatings that have been mixed beyond their pot life. Provide small quantity kits for touch up painting and for painting other small areas. Mix only the components specified and furnished by the paint manufacturer. Do not intermix additional components for reasons of color or otherwise, even within the same generic type of coating.

61 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 09900-6
H. Dry-Film Thickness Testing

1. Measure coating thickness specified for metal surfaces with a majestic-type dry-film thickness gage. Test the finish coat (except zinc primer and galvanizing) for holidays and discontinuities with an electrical holiday detector, low-voltage, wet-sponge type.

Measuring equipment shall be provided by the contractor. Provide detector as manufactured by Tinker and Rasor or K-D Bird Dog. Provide dry- film thickness gage as manufactured by Mikrotest or Elcometer. Check each coat for the correct dry-film thickness. Do not measure within eight hours after application of the coating.

2. If the item has an improper finish color or insufficient film thickness, the surface shall be cleaned and topcoated with the specified paint material to obtain the specified color and coverage. Visible areas of chipped, peeled, or abraded paint shall then be primed and finish coated in accordance with the specifications. Work shall be free of runs, bridges, shiners, laps, or other imperfections.

END OF SECTION

62 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 1 of 14
PART 1 - GENERAL

1.1 DESCRIPTION

A. The Contractor shall furnish and install all piping systems shown and specified, in accordance with the requirements of the Contract Documents. Each system shall be complete with all necessary fittings, hangers, supports, anchors, seismic restraints, expansion joints, flexible connectors, valves, accessories, heat tracing, insulation, lining and coating, testing, disinfection, excavation, backfill and encasement, to provide a functional installation.

B. The piping shown in the plans is intended to define the general layout, configuration, routing, method of support, pipe size, and pipe type. The plans are not pipe construction or fabrication drawings. It is the Contractor's responsibility to develop the details necessary to construct all mechanical piping systems, to accommodate the specific equipment provided, and to provide and install all spools, spacers, adapters, connectors, and other appurtenances for a complete and functional system.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. Section 01300 –
Submittals

B. Section 01730 –
Operation and Maintenance Data

E. Section 09900 – Painting and Coating

F. Sect
ion 15042 – Hydrostatic Testing of Pressure Pipelines

1.3 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. Uniform Mechanical Code

B. Uniform Plumbing Code

C. Uniform Fire Code

D. Commercial Standards: All equipment, products, and their installation shall be in accordance with the following standards, as applicable, and as indicated in each Section:

1. American Society for Testing and Materials (ASTM)

2. American National Standards Institute (ANSI)

3. American Society of Mechanical Engineers (ASME)

4. American Water Works Association (AWWA)

5. American Welding Society (AWS)

6. American Iron and Steel Institute (AISI)

7. National Fire Protection Association (NFPA)
63 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 2 of 14

E. The following standards have been referenced in this Section:

ANSI/ASME B1.20.1 Pipe Threads, General Purpose (inch)

ANSI B16.5 Pipe Flanges and Flanged Fittings, NPS ½ through NPS 24

ANSI/ASME B31.1 Power Piping

ANSI/AWWA C207 Steel Pipe Flanges for Water Works Service, Sizes 4 in through 144 in.

ANSI/AWS D1.1 Structural Welding Code –
Steel

ANSI/MSS SP 58 Pipe Hangers and Supports – Materials, Design, and Manufacture

ANSI/MSS SP 69 Pipe Hangers and Supports – Selection and Application

ASTM A 36 Speci fication for Carbon Structural Steel

ASTM A 123 Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

ASTM A 283 Speci
fication for Low and Intermediate Tensile
Strength Carbon Steel Plates

ASTM A 285 Speci fication for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate- Tensile Strength

ASTM A 307 Specification for Carbon Steel Bolts and Studs, 60000 PSI Tensile Strength

ASTM A 325 Speci fication for High-Strength Bolts for Structural Steel Joints

ASTM A 563 Speci fication for Carbon and Alloy Steel Nuts

ASTM D 2000 C lassification System for Rubber Products in Automotive Applications

ASTM/AWWA C219 Bolted, Sleeve-Type Couplings for Plain- End Pipe

AWWA Manual M11 Steel Pipe - A Guide for Design and Installation

1.4 CONTRACTOR SUBMITTALS

A. The Contractor shall submit complete shop drawings and certificates, test reports, affidavits of compliance, of all piping systems for review by the Engineer in accordance with the requirements in the Standard Specifications, and as indicated in the individual piping sections. The shop drawings shall include dimensions and details on pipe joints, 64 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 3 of 14
fittings, fitting specials, harnessed joints, valves, pipe supports, restraints, hangers, anchors, guides, and appurtenances, and shall include design calculations and material lists. The submittals shall include detailed layout, spool, or fabrication drawings which show all pipe spools, spacers, adapters, connectors, fittings, and pipe supports and seismic restraints necessary to accommodate the equipment and valves provided in a complete and functional system.

B. The Contractor shall submit operation and maintenance data in accordance with the Standard Specifications

1.5 QUALITY ASSURANCE

A. Inspection: All pipe shall be subject to inspection at the place of manufacture. The Contractor shall notify the District in writing of the date for the start of each phase of pipe production and the dates for the proof of design tests. The notification shall be given at least 14 days prior to the start of the pipe manufacture. During the manufacture of the pipe, the District’s Representative shall be given access to all areas where manufacturing is in progress and shall be permitted to make all inspections necessary to confirm compliance with the Standard Specifications.

B. Tests: Except where otherwise indicated, all materials used in the manufacture of the pipe shall be tested in accordance with the applicable specifications and standards.

Welds shall be tested as indicated. The Contractor shall perform all tests at no additional cost to the District. Copies of all test reports shall be furnished to the District.

C. Welding Requirements: All welding procedures used to fabricate pipe shall be prequalified under the provisions of ANSI/AWS D1.1. Welding procedures shall be required for, but not necessarily limited to, longitudinal and girth or spiral welds for pipe cylinders, spigot and bell ring attachments, reinforcing plates and ring flange welds, and plates for lug connections.

D. Welder Qualifications: Certified under Section IX, Part A of the ASME Boiler and Pressure Vessel Code or in accordance with AWWA C206, Section 3. Machines and electrodes similar to those used in the Work shall be used in qualification tests. The Contractor shall furnish all material and bear the expense of qualifying welders at no increased cost to the District.

1.6 MANUFACTURER'S SERVICE REPRESENTATIVE

A. Where the assistance of a manufacturer's service representative is advisable in order to obtain perfect pipe joints, supports, or special connections, the Contractor shall furnish such assistance at no additional cost to the District.

1.7 MATERIAL DELIVERY, STORAGE, AND PROTECTION

A. All piping materials, fittings, valves, and accessories shall be delivered in a clean and undamaged condition and shall be stored off the ground to provide protection against oxidation caused by ground contact. All defective or damaged materials shall be replaced w
ith new materials.

1.8 CLEANUP

65 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 4 of 14
A. After completion of the Work, all remaining pipe cuttings, joining and wrapping materials, and other scattered debris, shall be removed from the site by the Contractor.

The entire piping system shall be handed over to the District in a clean and functional condition.

PART 2 - PRODUCTS

2.1 GENERAL

A. All pipes, fittings, and appurtenances shall be furnished in accordance with the requirements of the applicable Sections of Divisions 2 and 15 of the Standard Specifications and this Section.

B. Pipe
Supports: All pipes shall be adequately supported in accordance with the requirements of this Section.

1. Code Compliance: All piping systems and pipe connections to equipment shall be properly anchored and supported to prevent undue deflection, vibration, dislocation due to seismic events and line pressures, and stresses on piping, equipment, and structures. All supports and parts thereof shall conform to the requirements of ANSI/ASME B31.1 - Power Piping, except as supplemented or modified below.

Supports for plumbing piping shall be in accordance with the latest edition of the applicable plumbing code or local administration requirements.

2. Structural Members: Wherever possible, pipes shall be supported from structural members. Where it is necessary to frame structural members between existing members, such supplementary members shall be provided at no additional cost to the District. All supplementary members shall be in accordance with the requirements of the building code and the American Institute of Steel Construction and shall be acceptable to the Engineer.

3. Pipe Hangers: Pipe hangers shall be capable of supporting the pipe in all conditions of operation, allowing free expansion and contraction of the piping, and preventing excessive stress on equipment. All hangers shall have a means of vertical adjustment after erection. Hangers shall be designed to prevent becoming disengaged by any movement of the supported pipe. Hangers subject to shock, seismic disturbances, or thrust imposed by the actuation of safety valves, shall include hydraulic shock suppressors. All hanger rods shall be subject to tensile loading only.

4. Hangers Subject to Horizontal Movements: At hanger locations where lateral or axial movement is anticipated, suitable linkage shall be provided to permit such movement. Where horizontal pipe movement is greater than a half- inch (1/2”), or where the hanger rod deflection from the vertical is greater than 4 degrees from the cold to the hot position of the pipe, the hanger rod and structural attachment shall be offset in such a manner that the rod is vertical in the hot position.

5. Spring-Type Hangers: Spring-type pipe hangers shall be provided for piping subject to vibration or vertical expansion and contraction, such as engine exhausts and similar piping. All spring-type hangers shall be sized to the manufacturer's printed recommendations and the loading conditions encountered. Variable spring supports shall be provided with means to limit misalignment, buckling, eccentric loading, or to prevent overstressing of the spring, and with means to indicate at all times the 66 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 5 of 14
compression of the spring. Supports shall be capable of accommodating at least four times the maximum travel due to thermal expansion.

6. Thermal Expansion: Wherever expansion and contraction of piping is expected, a sufficient number of expansion loops or joints shall be provided, together with the necessary rolling or sliding supports, anchors, guides, pivots, and restraints permitting the piping to expand and contract freely in directions away from the anchored points. All components shall be structurally suitable to withstand all loads imposed.

7. Riser Supports: Where practical, risers shall be supported on each floor with riser clamps and lugs, independent of the connected horizontal piping.

8. Freestanding Piping: Free-standing pipe connections to equipment such as chemical feeders and pumps shall be firmly attached to steel frames fabricated from angles, channels, or I-beams anchored to the structure. Exterior, free-standing overhead piping shall be supported on fabricated pipe stands consisting of pipe columns anchored to concrete footings, with horizontal, welded steel angles and U-bolts or clamps securing the pipes.

9. Materials of Construction: All piping, as well as piping, conduits, and equipment in hydraulic structures, shall be supported with support, assemblies, including framing, hardware, and anchors, constructed of fiberglass reinforced plastic and Type 316 stainless steel, unless otherwise indicated.

10. Point Loads: Any meters, valves, heavy equipment, and other point loads on PVC, FRP, and other plastic pipes, shall be supported on both sides, according to manufacturer's recommendations to avoid undue pipe stresses and failures. To avoid point loads, all supports on PVC, FRP, and other plastic piping shall be equipped with extra wide pipe saddles or galvanized steel shields.

11. Noise Reduction: To reduce transmission of noise in piping systems, all copper tubes in buildings and structures shall be wrapped with a two-inch (2”) wide strip of rubber fabric or similar, suitable material at each pipe support, bracket, clip, or hanger.

C. Lining: The thickness, application, and curing of pipe lining shall be in accordance with the requirements of the applicable Sections of Division 2 of the Standard Specifications , unless otherwise indicated.

D. Coating: The thickness, application, and curing of pipe coating shall be in accordance with the requirements of the applicable Sections of Division 2 of the Standard Specifications, unless otherwise indicated. Pipes installed above ground or in structures shall be field-painted in accordance with the Standard Specifications .

E. Pressure Rating: All piping systems shall be designed for the maximum expected pressure as defined in Section 15042, or as indicated on the piping schedule.

2.2 PIPE FLANGES

A. Flanges: Where the design pressure is 150 psi or less, flanges shall conform to either ANSI/AWWA C207 Class D or ANSI B16.5 150-pound class. Where the design pressure is greater than 150 psi, up to a maximum of 275 psi, flanges shall conform to 67 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 6 of 14
either ANSI/AWWA C207 Class E, Class F, or ANSI B16.5 150-pound class. Where the design pressure is greater than 275 psi up to a maximum of 700 psi, flanges shall conform to ANSI B16.5 300-pound class. Flanges shall have flat faces and shall be attached with bolt holes straddling the vertical axis of the pipe unless otherwise shown. Attachment of the flanges to the pipe shall conform to the applicable requirements of ANSI/AWWA C207.

B. Blind Flanges: Blind flanges shall be in accordance with ANSI/AWWA C207. All blind flanges for pipe diameters twelve-inches (12”) and over shall be provided with lifting eyes in form of welded or screwed eye bolts.

C. Flange Coating: All machined faces of metal blind flanges and pipe flanges shall be coated with a temporary rust-inhibitive coating to protect the metal until the installation is completed.

D. Flange Bolts: All bolts and nuts shall conform to this Section. Studs and bolts shall extend through the nuts a minimum of a fourth-inch (1/4”). All-thread studs shall be used on all valve flange connections, where space restrictions preclude the use of regular bolts.

E. Insulating Flanges: Insulated flanges shall have bolt holes a fourth-inch (1/4”) diameter greater than the bolt diameter.

F. Insulating Flange Sets: Insulating flange sets shall be provided where shown on the plans. Each insulating flange set shall consist of an insulating gasket, insulating sleeves and washers and a steel washer. Insulating sleeves and washers shall be one piece when flange bolt diameter is one and a half-inches (1 1/2") or smaller and shall be made of acetal resin. For bolt diameters larger than one and a half-inches (1 1/2”) , insulating sleeves and washers shall be two-piece and shall be made of polyethylene or phenolic.

Steel washers shall be in accordance with ASTM A 325. Insulating gaskets shall be full- face.

G. Insulating Flange Manufacturers, or Equal:

1. Tripac

2. Calpico, Inc.

3. Farwest

4. PSI Products, Inc., Gardena, California.

H. Flange Gaskets: Gaskets for flanged joints shall be ring-faced, one eighth-inch (1/8”) thick compressed sheets of asbestos-free aramid fiber base, with nitrile binder and nonstick coating, suitable for temperatures to 700 degrees F, a pH of 1 to 11, pressures to 1,000 psig, and NSF-61. Blind flanges shall have gaskets covering the entire inside face of the blind flange and shall be cemented to the blind flange.

I. Flange Gasket Manufacturers, or Equal:

1. Tripac

2. John Crane, Style 2160.
68 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 7 of 14

3. Garlock, Style 3000.

J. Nuts and Bolts: Bolts , nuts, and washers shall conform to ASTM A307, zinc plated, in accordance with this Section. All buried nuts and bolts shall be completely coated with no-oxide grease, as manufactured by KOP-COAT, Inc., or approved equal, which must be applied in two coats to a minimum thickness of 15 mils per coat.

Bolts, nuts and washers for aboveground, below ground structures, and sanitary sewer installations shall be Type 316 stainless steel. All aboveground or below ground structure bolt threads shall be lubricated with graphite and oil.

The fit shall be ANSI B1.1, "Unified Screw Threads," Class 2, except that Class 3 fit shall be used in holes tapped for studs. Threads may be made by either cutting or cold forming. Between fourth- inch (1/4”) and three eighth -inch (3/8”) shall project through the nut when drawn tight.

2.3 THREADED INSULATING CONNECTIONS

A. General: Threaded insulating bushings, unions, or couplings, as appropriate, shall be used for joining threaded pipes of dissimilar metals and for piping systems where corrosion control and cathodic protection are involved.

B. Materials: Threaded insulating connections shall be of nylon, Teflon, polycarbonate, polyethylene, or other nonconductive materials, and shall have ratings and properties to suit the service and loading conditions.

C. Manufacturers: Isojoint or approved equal.

2.4 VICTAULIC COUPLINGS

A. Couplings for Grooved and Shouldered Joints: Couplings shall be cast of ductile iron conforming to ASTM A536 Grade 65-45-12
. Gaskets shall be EPDM (ethylene
propylene diene monomer) conforming to ASTM D 2000 . Nuts and bolts shall be in accordance with ASTM A183, 110,000 psi tensile strength.

B. Couplings for pipe smaller than twenty four-inches (24”) shall be flexible type, square cut groove, such as Victaulic Style 77, Gustin-Bacon Figure 100, or equal. Use Victaulic Style 44, or equal, couplings with Type “D” collars for pipe twenty four-inches (24”) and larger.

C. The grooves and shoulders for pipe shall conform to AWWA C606, latest revision.

D. All rings for shouldered joints shall be provided by the coupling manufacturer.

2.5 SLEEVE-TYPE COUPLINGS

A. Construction: Sleeve-type couplings shall be provided where indicated on the plans, in accordance with ANSI/AWWA C219 unless otherwise indicated on the plans, and shall be of steel with Type 316 stainless steel bolts, without pipe stop, and shall be of sizes to fit the pipe and fittings. The middle ring shall be not less than 1/4-inch in thickness and shall be either five-inches (5”) or seven -inches (7”) long for sizes up to and including 69 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 8 of 14
thirty-inches (30”) and ten-inches (10”) long for sizes greater than thirty-inches (30”), for stainless steel couplings, and sixteen-inches (16”) long for long-sleeve couplings. The followers shall be single-piece contoured mill section welded and cold-expanded as required for the middle rings. They shall be of sufficient strength to accommodate the number of bolts necessary to obtain adequate gasket pressures without excessive rolling.

The shape of the follower shall be of such design as to provide positive confinement of the gasket. Bolts and nuts for buried couplings shall be Type 316 stainless steel. Bolts and nuts for exposed couplings shall conform to the requirements of this Section and shall be coated in accordance with the Standard Specifications . Buried sleeve-type couplings shall be fusion bonded epoxy lined and coated at the factory in accordance with AWWA C213.

B. Pipe Preparation: The ends of the pipe, where indicated, shall be prepared for flexible steel couplings. Plain ends for use with couplings shall be smooth and round for a distance of twelve-inches (12”) from the ends of the pipe, with outside diameter not more than one sixth four- inch (1/64”) smaller than the nominal outside diameter of the pipe.

The middle ring shall be tested by cold-expanding a minimum of one percent beyond the yield point, to proof-test the weld to the strength of the parent metal. The weld of the middle ring shall be subjected to air test for porosity.

C. Gaskets: Gaskets for sleeve-type couplings shall be rubber-compound material that will not deteriorate from age or exposure to air under normal storage or use conditions.

Gaskets for wastewater and sewerage applications shall be Buna "N," grade 60, or equivalent suitable elastomer. Gaskets shall be immune to attack by impurities normally found in water or wastewater. All gaskets shall meet the requirements of ASTM D 2000, AA709Z, meeting Suffix B13 Grade 3, except as noted above. All gaskets shall be compatible with the piping service and fluid conveyed. The rubber in the gasket shall meet the following specifications:

1. Color - Jet Black.

2. Surface - Nonblooming.

3. Durometer Hardness - 74 ± 5.

4. Tensile Strength - 1,000 psi minimum.

5. Elongation - 175 percent minimum.

D. Insulating Couplings: Where insulating couplings are required, both ends of the coupling shall have a wedge-shaped gasket which assembles over a rubber sleeve of an insulating compound in order to obtain insulation of all coupling metal parts from the pipe.

E. Restrained Joints: Sleeve-type couplings on pressure lines shall be harnessed unless thrust restraint is provided by other means. Harnesses shall conform to the requirements of the appropriate reference standard, to the requirements specified herein, or to the plans.

1. Joint Harnesses for Sleeve-Type Couplings on Steel Water Pipelines: Bolts and stud materials shall conform to ASTM A307, Grade B. Nuts shall conform to ASTM A563, Grade A, heavy hex. Lug material shall conform to one of the following: ASTM A36; ASTM A283 Grade B, Grade C, or D; or ASTM A285, Grade C. Lug dimensions shall be as shown in AWWA Manual M11. Lugs 70 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 9 of 14
shall be Type P for pipe from six- inch (6”) through ten -inch (10”) diameter, and Type RR for pipe twelve-inch (12”) diameter and larger.

2. End Thrust: Joint harnesses shall be designed to accommodate the design working pressure of 200 psi plus a surge allowance of 66 psi.

3. Coating of Joint Harnesses: Coatings for joint harnesses shall conform to the Standard Specifications.

F. Manufacturers, or Equal:

1. Dresser, Style 38.

2. Ford Meter Box Co., Inc., Style FC1 or FC3.

3. Smith-Blair, Style 411.

2.6 FLEXIBLE CONNECTORS

A. Flexible connectors shall be installed in all piping connections to engines, compressors, and other vibrating equipment, and where shown on the plans. Flexible connectors for service temperatures up to 180 degrees F shall be flanged, reinforced Neoprene or Butyl spools, rated for a working pressure of 40 to 150 psi, or reinforced, flanged duck and rubber, as best suited for the application, unless otherwise shown. Flexible connectors for service temperatures above 180 degrees F shall be flanged, braided stainless steel spools with inner, annular, corrugated stainless steel hose, rated for minimum 150 psi working pressure, unless otherwise shown on the plans. The connectors shall be nine- inch (9”) long, face- to-face flanges, unless otherwise shown on the plans. The final material selection shall be approved by the manufacturer. The Contractor shall submit to the District, the manufacturer's shop drawings and calculations.

2.7 EXPANSION JOINTS

A. All piping subject to expansion and contraction shall be provided with sufficient means to compensate for such movement, without exertion of undue forces to equipment or structures. This may be accomplished with expansion loops, bellow-type expansion joints, or sliding-type expansion joints. Expansion joints shall be of stainless steel, monel, rubber, or other materials, best suited for each individual service. The Contractor shall submit to the District detailed calculations and manufacturer's shop drawings, guaranteeing satisfactory performance of all proposed expansion joints, piping layouts showing all anchors and guides, and information on materials, temperature and pressure ratings.

2.8 QUICK DISCONNECT COUPLER

A. All quick disconnect couplers shall be of “dry disconnect” type and be constructed of type 316 stainless steel. The size and location shall be as shown on the plans. The gaskets shall be made of Buna-N.

B. Quick disconnect couplers shall be Model 600-F-SS Kamlock adapter as manufactured by Dover Corporation/ OPW Division or approved equal. Coupler shall be equipped with a lockable cap and have MIP x Male ends.
71 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 10 of 14

2.9 PIPE THREADS

A. All pipe threads shall be in accordance with ANSI/ASME B1.20.1

2.10 AIR AND GAS TRAPS

A. Air and gas pipes shall be sloping to low points, provided with drip legs, shutoff valves, strainers and traps. The traps shall be piped to the nearest drain. Air and gas traps shall be not less than 150-pound iron body float type with copper or stainless steel float.

Bracket, lever, and pins shall be of stainless steel. Drain traps shall have threaded connections.

B. Manufacturers, or Equal:

1. Armstrong Machine Works.

2. Spirax Sarco, Inc.

2.11 LINK SEALS

A. Contractor shall furnish and install complete link seal assemblies of size and location as shown on the plans. Link Seal Assemblies shall be as follows:

1. Wall opening sizes (i.e. cored hole) shall be selected according to manufactured recommendations based on most recent Link Seal catalog or approved equal.

2. Calculations shall be provided to determine sufficient quantity and type of Link Seal are provided to effectively provide a hydrostatic seal.

3. Each individual link shall be clearly and permanently shown with the name of the manufacturer and model number.

B. Link Seals shall be modular, mechanical type, consisting of inter locking synthetic rubber links shaped to continuously fill the annular space between the pipe and the wall opening.

The elastomeric element shall be sized and selected per manufacturer’s recommendations and have the following properties as designated by ASTM: EPDM = ASTM D2000 M3 BA510

C. References to installation guideline’s shall be latest publishe d edition of Link Seal Selection Guide for the service intended.

D. Approved Manufacturer’s:

1. Thunderline/Link Seal

2. Or approved equal

2.12 Y-STRAINERS

A. Unless otherwise indicated, y-type strainers shall be sized and installed as indicated in the p
lans and shall conform to the following requirements:
72 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 11 of 14

1. Cast iron bodies

2. NPT screwed ends

3. Type 304 stainless steel screen with 1/32 inch perforations

4. Steel screen drain plug

5. Unit shall be suitable for minimum pressure of 250 psi

B. Approved Manufacturers:

1. Fisher Controls Company, Type 260C

2. Approved equal

2.13 PIPE UNIONS

A. Screw unions may be employed on pipelines two and a half-inches (2 ½”) in diameter and smaller. Pipes and fittings made of non-ferrous metals shall be isolated from ferrous metals by nylon insulating pipe bushings, unions or couplings manufactured by Smith- Blair, Pipe Seal and Insulator Co. or approved equal.

2.14 RED BRASS PIPE

A. Brass pipe shall conform to the requirements of the "Specifications for Seamless Red Brass Pipe, Standard Sizes" (ASTM B43).

2.15 PIPE SUPPORTS

A. Supports for piping shall be spaced to prevent excessive sag, bending, and shear stresses in the piping, with special consideration given where components such as flanges and valves impose concentrated loads. Pipe support spacing shall not exceed the maximum spans in the tables below. For temperatures other than ambient temperatures and for other piping materials or wall thicknesses, the pipe support spacings shall be modified in accordance with the pipe manufacturer's recommendations. Vertical supports shall be provided to prevent the pipe from being overstressed from the combination of all loading effects.

1. Support Spacing for Schedule 40 and Schedule 80 Steel Pipe:

Nominal Pipe Diameter (inches) Maximum Span (feet)
½ 6
¾ and 1 8
1-¼ to 2 10
3 12
4 14
6 17
8 and 10 19
12 and 14 23
16 and 18 25
73 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 12 of 14
20 and 22 30

2. Support Spacing for Welded Fabricated Steel Pipe:

Maximum Spans (feet) for Pipe Supported in Minimum 120 Degree Contact Saddles Nominal Pipe
Diameter
(inches)
Wall Thickness – inches
3/16 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1
24 33 37 41 43 45 47
26 34 38 41 44 46 48
28 34 38 41 44 47 49
30 34 38 42 45 48 49
32 34 39 42 45 48 50
34 35 39 42 46 48 50
36 35 39 43 46 49 51 55

For steel pipe sizes not presented in the previous table, the support spacing shall be designed so that the stress on the pipe does not exceed 5,000 psi. Maximum deflection of pipe shall be limited to 1/360th of the span and shall be calculated by using the formula:

L = [(7500tD) / (32t + D)] 0.5

Where: T = Thickness (inches)
D = Diameter (inches)
L = Maximum span (feet)

3. Support Spacing for Copper Tubing:

Nominal Pipe Diameter (inches) Maximum Span (feet)
1/2 to 1-1/2 6
2 to 4 10
6 and greater 12

4. Support Spacing for Schedule 80 PVC Pipe:

Nominal Pipe Diameter (inches)
(at 100 degrees F) Maximum Span (feet)
1/2 4
3/4 4.5
1 5
1-1/4 5.5
1-1/2 5.75
2 6.25
3 7.5
4 8.25
6 10
8 11
10 12.25
12 13.25

74 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 13 of 14
B. MANUFACTURED SUPPORTS

1. Stock Parts: Designs shall exemplify good engineering practice and use stock or production parts. Such parts shall be locally available, new, of best commercial quality, designed and rated for the intended purpose.

2. Manufacturers or equal:

a. Unistrut

b. Bergen - Paterson Pipesupport Corp., Woburn, MA

c. Grinnell Corp., Exeter, PA

d. B –
Line Systems Inc.

C. COATING

1. Galvanizing: Unless otherwise indicated, all fabricated pipe supports other than stainless steel or non-ferrous supports shall be blast-cleaned after fabrication and hot- dip galvanized in accordance with ASTM A 123 - Specifications for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.

2. Other Coatings: Other than stainless steel or non-ferrous supports, all supports shall receive protective coatings in accordance with the requirements of the Standard Specifications.

PART 3 - EXECUTION

3.1 GENERAL

A. All pipes, fittings, and appurtenances shall be installed in accordance with the requirements of Divisions 2 and 15 of the Standard Specifications . The lining manufacturer shall take full responsibility for the complete, final product and its application. All pipe ends and joints at screwed flanges shall be epoxy-coated, to assure continuous protection.

B. Where core drilling is required for pipes passing through existing concrete, core drilling locations shall be determined by radiograph of concrete construction to avoid damage to embedded raceways and rebars.

3.2 PIPE SUPPORTS

A. General: All pipe supports, seismic restraints, hangers, brackets, anchors, guides, and inserts shall be fabricated and installed in accordance with the manufacturer's printed instructions and ANSI/ASME B31.1 - Power Piping. All concrete inserts for pipe hangers and supports shall be coordinated with the formwork.

B. Appearance: Pipe supports and hangers shall be positioned to produce an orderly, neat piping system. All hanger rods shall be vertical, without offsets. Hangers shall be 75 SECTION 15000 – PIPING COMPONENTS

SECTION 15000 - 14 of 14
adjusted to line up groups of pipes at the proper grade for drainage and venting, as close to ceilings or roofs as possible, and without interference with other work.

C. Quality Control: Pipe hangers, supports, and seismic restraints shall be fabricated and installed by experienced welders and fitters, using the best welding procedures available.

Fabricated supports shall be neat in appearance without sharp corners, burrs, and edges.

**END OF SECTION**
76 PART 1 - GENERAL

1.1 DESCRIPTION

A. This section describes requirements for disinfection of domestic water mains, services, appurtenances and connections by chlorination and all requirements for bacterial testing of the facilities, and obtaining subsequent clearances for operation issued by the District and all state and local health agencies having jurisdiction.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

B. Other sections of the Standard Specifications, not referenced below, shall also apply to the extent required for proper performance of this Work.

1. Section 15042 – Hydrostatic Testing of Pressure Pipelines

1.3 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. The following standards have been referenced in this Section:

1. AWWA C651 Disinfecting Water Mains

1.4 PROJECT CONDITIONS

A. Discharge of chlorinated water into watercourses or surface waters is regulated by the National Pollutant Discharge Elimination System (NPDES). Apply to cognizant environmental regulation authority and obtain permit for permission to discharge.

Disposal of the chlorinated disinfection water and the flus hing water is the Contractor's responsibility.

B. Schedule the rate of flow and locations of discharges in advance to permit review and coordination with the District and cognizant regulatory authorities: San Diego County Health Department. If there is an y question that the chlorinated discharge will cause damage to the environment, then a reducing agent shall be applied to the water to be wasted to neutralize thoroughly the chlorine residual remaining in the water. See AWWA C651, Appendix B for neutralizing chemicals.

PART 2 - PRODUCTS

2.1 SODIUM HYPOCHLORITE

A. Sodium Hypochlorite solution shall be 10-16% available chlorine by weight.

PART 3 - EXECUTION

3.1 PROCEDURE

77 A. Before being placed in service or connected to existing facilities, all facilities sh all be disinfected using a method approved by the District Engineer of their designee.

B. Contractor shall notify the District two (2) working days prior to chlorination of facilities.

C. All required corporation stops and other plumbing materials necessary for chlorination or flushing of the main shall be installed by and at the expense of the Contractor.

D. All mains shall be thoroughly flushed prior to disinfection.

E. Every service connection served by a main being disinfected shall be tightly shutoff at the curb stop before water is turned into the main. Care shall be taken to expel all air from the main and services during the filling operation.

F. The Sodium Hypochlorite solution shall be applied at a terminus of the system to be chlorinated using an injector which can adjust the amount of solution being injected into the piping system. The solution shall be injected in the appropriate concentration to achieve the specified concentration range of chlorine throughout the entire piping system. Where pumping equipment is used in conjunction with an injector, an integral backflow prevention device shall be installed and connected to the potable water supply. Pumping equipment, piping, appurtenances and all other equipment in contact with potable water shall be disinfected prior to use.

G. Water shall be fed slowly into the pipeline with chlorine applied in amounts to produce a dosage of not less than 50 ppm or more than 100 ppm in all sections of the pipeline and appurtenances.

H. Treated water shall be retained in the system for a minimum of 24 hours and shall contain a chlorine residual of not less than 25 ppm at the end of the retention period in all sections being disinfected. Treated water shall be retained in the system for a maximum of 48 hours.

3.2 CONCURRENT TESTING

A. Disinfecting the mains and appurtenances, hydrostatic pressure testing, and preliminary retention may run concurrently for the required 24 -hour period, but in the event there is leakage and repairs are necessary, additional disinfection shall be made by injection of Sodium Hypochlorite solution into the line as provided hereinafter.

3.3 FLUSHING

A. After chlorination, the water shall be flushed from the line, in accordance with AWWA C651, at its extremities until the chlorine concentration in the water leaving the pipe is within 0.5 mg/l of the replacement water . The chlorinated water may be used later for testing other lines, or if not so used, shall be disposed of by the Contractor, as designated in AWWA C651, Section 6.2. The Contractor shall be res ponsible for all costs to dechlorinate the water before it enters any storm drain or watercourse. The District will not be responsible for loss or damage resulting from such disposal.

3.4 BACTERIOLOGICAL TESTING

A. The Contractor shall provide the services of an acceptable state certified laboratory to take all samples, deliver to laboratory, and provide written test results to the District Engineer or their designee.
78 B. Perform bacteriologic quality testing after disinfection, final flushing, and refill ing of the pipeline in accordance with AWWA C651. Samples shall be taken throughout the length of the new pipeline(s) at locations not more than 1, 000 feet apart and at all branches and dead ends. Sample point locations and spacing shall be determined by t he District Engineer or their designee and may be adjusted in the field to insure complete representation is achieved.

C. Deliver samples to a certified laboratory within three hours after collecting and have a bacteriologic quality test performed. Test f or coliform organisms and perform a heterotrophic plate count for each sample taken. Coordinate the collection of the samples with the laboratory's hours of operation and allow adequate time for the test results.

D. All samples must show the absence of co liform organisms and all heterotrophic plate counts must be less than 500 colonies forming unit/ml.

3.5 ADDITIONAL DISINFECTION

A. If any samples fail the Coliform Bacteria or HPC Tests, the entire pipeline(s) shall be re - flushed by the Contractor and re -sampled as required by the District Engineer or their designee. Additional disinfection may be required. Disinfection procedures as described herein shall continue until satisfactory results are obtained. All re-disinfection, re-flushing and re-sampling required shall be at the Contractor’s expense.

B. Retesting of the system may be required if 90 days have passed between the date of testing and acceptance by the District.

3.6 FINAL CONNECTIONS TO EXISTING MAINS

A. Final connections are allowed following satisf actory bacteriological sample results and proper notification and scheduling with the District. Following the opening of an existing domestic water main, the interior of all accessible pipes and fittings shall be sprayed disinfected or swabbed with a Sodium Hypochlorite solution per AWWA C651, Section

4.10 and 4.11. The drained portion of the existing line and any new section shall be flushed from two directions toward the cut-in, if possible.

B. Within 24 hours of making a connection to an existing waterline , a bacteriologic quality test shall be performed by a state certified laboratory. Collect a sample from the existing waterline at the nearest access point to the connection. If the sample fails the test, the District Engineer or their designee will direct the Contractor to perform corrective action and retest.

C. Any repairs to an existing pipe shall follow disinfection procedures in accordance with AWWA C651, Section 4.11.

**END OF SECTION**
79 PART 1 – GENERAL

1.1 DESCRIPTION

A. This section includes hydrostatic pressure and leakage te sting of pressure pipelines and appurtenances.

1.2 RELATED WORK SPECIFIED ELSEWHERE
A. All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

B. Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Section 01300 –Submittals

2. Section 15041 – Disinfection of Piping

1.3 SUBMITTALS

A. Submit shop drawings, test bulkhead locations, pipe attachment details, methods to prevent excessive pipe wall stresses, blocking to overcome thrust conditions and desig n calculations.

PART 2 – PRODUCTS

2.1 TEST EQUIPMENT

A. Provide calibrated pressure gauges, calibrated recorder, pipes, pumps, water meters, and other equipment necessary to perform the hydrostatic pressure test.

PART 3 – EXECUTION

3.1 TESTING PREPARATION

A. All labor, materials, tools, and equipment for testing shall be furnished by the Contractor.

B. Prior to hydrostatic pressure testing new pipelines which are to be connected to existing pipelines, isolate the new pipeline from the existing pipeline by means of test bulkheads, test plates, or blind flanges. Continue with connection work after the new pipeline has been successfully tested and approved by the District.

C. The Contractor shall provide the District Engineer of their designee with a minimum of 2 days’ notice prior to the requested date and time for any preliminary hydrostatic test and 5 days’ notice prior to the requested date and time for hydrostatic pressure tests.

D. Subject the pipeline and appurtenances to a hydrostatic pressure test after t he pipe has been laid and backfilled with a 24” minimum of cover for required restraint. Allow concrete pipe anchors, collars, encasements and thrust blocks to cure for at least 5 days prior to testing. The Contractor shall be responsible for determining t hrust blocks have 80 reached their optimal strength for testing of the pipeline. Existing facilities will be operated under direction of the District Engineer or their designee only.

E. Contractor shall provide source of water, shall make all connections with t he water source, transporting the water, and all other arrangements concerning the water to be used for the pipeline hydrostatic pressure test. Use only metered potable water for the hydrostatic pressure test. Provide a reduced pressure backflow prevention assembly if source of potable water is from District waterlines. Provide temporary piping to convey and dispose of the water used in the pipeline. Disconnect and remove temporary piping after successful completion of the hydrostatic pressure test.

F. No testing will be allowed against District valves. All testing shall be performed in the presence of the District Engineer or their designee.

G. All pipelines shall be satisfactorily tested prior to the placement of final pavement.

3.2 CLEANING

A. Before conducting hydrostatic pressure tests, flush pipes with water to remove dirt and debris. Maintain a flushing velocity of at least 3 fps for water testing. Flush pipes for time period as given by the formula:

in which:

T = flushing time (seconds)
L = pipe length (feet).

3.3 LENGTH OF TEST SECTION

A. Due to excessive length or elevation difference, it may be necessary to test the pipeline in sections. In any one test, do not exceed more than 2,500 feet, the distance between closed valves, or as directed by the Distr ict Engineer or their designee. In any one section, conduct the test in so that no pipe section is tested at less than the required test pressure, nor more than 1-1/2 times the pipe pressure class.

3.4 INITIAL PIPELINE FILLING

A. Maximum rate of filling wit h test fluid shall not cause water vel ocity in pipeline to exceed 1 foot per second. Expel air from the pipeline while filling and prior to testing.

Provide necessary outlets to fill and test pipeline. The following table has been provided to relate the velocity filling rate to an equivalent volume flow rate.

Filling Rate in gpm equivalent to filling velocities of 1fps.

Nominal Size (inches) Flow Rate Q (gpm)
4 38
6 88
8 158
12 353
16 624
3 2LT 
81 B. Allow 24 hours for the water filled pipeline to soak and rele ase entrapped air prior to testing. Pipelines with cement-mortar lining shall be filled with water and placed under a minimum pressure of 25 psi for at least 72 hours prior to the hydrostatic pressure test.

C. Cement-mortar lined pipe shall not be filled wit h water until a minimum period of 24 hours has elapsed after the last joint in any section has been made. Steel pipelines shall not be tested before the mortar lining and coating on all of the pipe lengths in the line have attained an age of 14 days.

D. The same water used for chlorination of the pipeline may be used to fill the line for hydrostatic pressure testing.

3.5 PRELIMINARY TEST

A. Prior to scheduling a hydrostatic pressure test, the Contractor shall demonstrate to the District Engineer or their designee that the pipeline can maintain the required test pressure with zero leakage for a duration of 4-hours.

B. The preliminary test should be discontinued i f a large quantity of water is required to increase the pressure during testing . The source of the prob lem, such as entrapped air, leakage at joints, or broken pipe, should be identified and corrected.

3.6 PRESSURE AND DURATION OF TEST

A. After a Preliminary Test has been performed and approved by the District Engineer or their designee, t he pipeline shall be subjected to a field hydrostatic pressure of 225 psi or 50 psi in excess of the maximum operating pressure of the pipe being tested, whichever is greater, for a period of 1-hour. Maximum operating pressure to be determined by the District.

B. Maintain the pipeline test pressure for 1-hour with zero leakage.

3.7 ALLOWABLE LEAKAGE

A. The allowable leakage for aboveground and buried piping having threaded, soldered, welded, flanged, push -on joint, mechanical joint, and elastomeric gasket joint shall be zero.

3.8 BULKHEAD AND TEMPORARY EQUIPMENT REMOVAL

A. After a satisfactory hydrostatic pressure and leakage test and disinfection : drain the water; remove test bulkheads, temporary valves and piping, and other test facilities; connect to existing facilities; and restore the pipe coatings.

**END OF SECTION**
82 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15056-1

STANDARD SPECIFICATIONS

SECTION 15056

DUCTILE-IRON PIPE AND FITTINGS

PART 1 - GENERAL

A. Description

This section includes materials, installation, and testing of ductile-iron pipe and fittings.

B. Related Work Specified Elsewhere

All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Trenching, Backfilling, and Compacting: 02223

2. Concrete: 03300

3. Chlorination of Domestic water Mains for Disinfection: 15041

4. Hydrostatic Testing of Pressure Pipelines: 15042

C. Approved Manufacturers

1. Fittings
Per VWD Approved Material List, latest edition.

2. Pipe
Per VWD Approved Material List, latest edition.

3. Gaskets
Per VWD Approved Material List, latest edition.

D. Use of Gray-Iron Fittings

Gray- iron fittings may not be substituted for ductile-iron.

83 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15056-2

PART 2 - MATERIALS

A. Ductile-Iron Pipe

1. Pressure class or thickness class of DIP shall be determined by the design method detailed in AWWA C150 the "Thickness Design Method."

2. Ductile-iron pipe shall be manufactured in accordance with AWWA C151.

3. All ductile-iron pipe shall be pressure class shown on the plans for bell and spigot pipe, pressure class 350 for plain end pipe and thickness Class 53 for flanged spools unless indicated otherwise.

4. All domestic water ductile-iron pipe shall be cement-mortar lined in accordance with AWWA C104. Lining thickness shall be the double thickness listed in AWWA C104, Section 4.8.

5. Unless otherwise called out on the plans, a "push-on" type joint shall be used. The joint dimensions and gasket shall be as specified in AWWA C111.

6. Where restrained joints are called for on 8-inches in diameter and smaller pipe, push-on joints shall be restrained with locking gasket rated for 250 psi operating pressure. Joint restraint shall be push-on joint with "Field-Lok" gaskets as manufactured by U.S. Pipe, Perma-Lock Joint as manufactured by Pacific States Cast Iron Pipe Company or approved equal. "TR-Flex" restrained joint pipe as manufactured by U.S. Pipe or approved equal is also an acceptable option for restraint of push-on joints.

Where restrained joints are called for on 10-inches in diameter and larger pipe, use a “TR-Flex” restrained joint pipe as manufactured by U.S. Pipe or approved equal. The restrained joint shall be a boltless restrained push-on joint design and shall contain a positive axial locking restrained system and be capable of deflection after assembly.

Restraint of field cut pipe by using U.S. Pipe’s “TR Flex Gripper Ring” or appro ved equal will be permitted as long as the “TR Flex” pipe field weldments are not required.

Any restrained joint fitting which will require a pipe field weldment will not be permitted
under any circumstances. Restraint of field cut pipe shall be kept to a minimum.

7. Flanges for ductile-iron pipe shall be the "screwed-on" type in accordance with AWWA C115.

8. Outlets for DIP shall be as follows:

2” or smaller: bronze service saddle installed on the outside of poly wrap 2- 1/2”: tapped tee or service saddle
4” and larger: D.I. tee fitting
84 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15056-3

9. All field cutburied ductile iron pipe for domestic water use shall have a factory applied bituminous coating of not less than 1 mil. Thickness per approved material list

10. All ductile iron pipe and fittings approved for use in sewer applications shall be polyurethane or polyethylene lined.

B. Ductile-Iron Fittings

1. Ductile-iron fittings shall be manufactured in accordance with AWWA C110, or AWWA C153. Compact body fittings, as described in AWWA C153, will not be permitted in vault structures.

2. All domestic water fittings shall be cement-mortar lined in accordance with AWWA C104.

Lining thickness shall be the double thickness listed in AWWA C104, Section 4.8.

3. All fittings shall be made with "push- on" or MJ joints designed for use with the type of pipe to be joined unless noted otherwise.

4. Restrained push-on joint fittings shall be used only as shown on the plans. For pipe sizes 8-inches in diameter and smaller, push-on joint fittings shall be restrained with locking gasket rated for 250 psi operating pressure. Joint restraint shall be push-on joint with "Field-Lok" gaskets as manufactured by U.S. Pipe, Perma-Lock Joint as manufactured by Pacific States Cast Iron Pipe Company or approved equal. "TR-Flex" restrained joint fitting as manufactured by U.S. Pipe or approved equal is also an acceptable option for restraint of push-on joint fittings in this size.

For pipe sizes 10-inches in diameter and larger, restrained joint fittings shall either be “TR-Flex” restrained joint fitting as manufactured by U.S. Pipe or approved equal, or mechanical joint ductile iron fittings fitted with joint restraints. Mechanical joint restraint shall be incorporated with the design of the follower gland and shall include a restraining mechanism which, when activated, imparts multiple wedging action against the pipe, increasing its resistance as the pressure increases. The joint shall maintain flexibility after burial. Follower glands shall be manufactured of ductile iron conforming to ASTM A536-80. The mechanical joint restraint shall be EBBA IRON, Inc., MEGALUG, UNIFLANGE Series 1400, The Ford Meter Box Co., Inc. or approved equal. Any restrained joint fitting which will require a pipe field weldment will not be permitted.

5. Unless otherwise indicated on the drawings, all fittings with flanged ends shall be ductile iron class 150. The gasket surface shall have a serrated finish of approximately 16 serrations per inch, approximately 1/32-inch deep, with serrations in either a concentric or spiral pattern. All flanges shall be flat faced. In addition, all flanges shall meet the following tolerances:

Bolt circle drilling +1/16 inch
Bolt hole spacing +1/32 inch
Eccentricity of bolt circle and +1/32 inch
Maximum facing with respect to bore
85 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15056-4
C. Gaskets

Ring gaskets for flanged joints shall be 1/8-inch thick, non-asbestos.

Rubber gaskets for push-on joints shall be synthetic or natural rubber manufactured in accordance with AWWA C111.

D. Bolts and Nuts

1. All bolts and nuts shall conform to ASTM A 307, zinc plated.

2. The length of each bolt or stud shall be such that between 1/4 inch and 3/8 inch will project through the nut when drawn tight.

E. Polyethylene Lining

1. Lining material for ductile iron pipe and fittings (sewer applications) shall be polyethylene complying with ASTM D1248 and bonded to the interior of the pipe fittings by heat process. The lining material shall be compounded with inert filler and a compound which resists ultraviolet light.

2. The lining shall cover the interior surface of the pipe/fitting from the lain or beveled end to the rear of the gasket socket. The lining thickness shall be not less than 20 mils. The lining may taper at the ends, starting at 4 inches from the edge of the pipe. The minimum thickness at the end of the taper shall be 10 mils.

3. Each pipe shall be guaranteed against separation of the lining from the pipe. Random checks for operation will be made during construction and any indication of separation shall be cause for rejection. The test method shall be mutually agreed upon by the contractor and the District.

F. Polyurethane Lining System

1. The lining material shall be manufactured by Madison Chemical Industries, Inc., or approved equal. The material shall consist of a liquid-applied polyurethane coating especially formulated for use as a protective lining of pipelines carrying sewage. The material shall be Corropipe II Wasteliner, or approved equal. The dry film thickness (DFT) of the lining shall be 40 mils (0.040 inch) nominal.

2. In order to minimize potential dimensional and assembly problems, the coating thickness on sealing areas in the bell socket interior and on the spigot end of the pipe exterior shall be 8 mils (0.008 inch) nominal with a maximum of 10 mils (0.010 inch). Thicker coatings in these areas are acceptable if it is demonstrated that joint dimensions are within allowable tolerances after coatings.

3. The lining material shall be applied to the pipe and fittings by a certified applicator only.

The coating shall be holiday tested with a high voltage tester at 50 volts/mil of material thickness. The material shall be applied and repaired to the pipes and fittings in strict accordance with the manufacturer’s requirements with no exceptions. District shall be notified five (5) days in advance of the coating installation for factory inspection during the application of the material.
86 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15056-5

4. All field cut ends shall be repaired an d sealed prior to installation per the manufacturer’s recommendations.

G. Lubricants

Lubricant for pipe insertion shall be food grade, and biodegradable.

PART 3 - EXECUTION

A. General

Ductile-iron pipe and ductile iron fittings shall be installed in accordance with the applicable Sections of AWWA C600 and as specified herein.

B. Trenching, Backfilling, and Compacting

1. Trenching, backfilling, and compacting shall be in accordance with Section 02223 and as specified herein.

2. Backfill within the pipe zone, including the pipe base, shall be imported sand placed and compacted in accordance with Section 02223.

3. Backfill within the trench zone within VWD easement shall be native earth backfill placed and compacted in accordance with Section 02223 or governing agency requirements.

C. Placement of Pipe in Trench

1. Lay pipes uphill if the grade exceeds 10%.

2. The radius of curvature of the trench shall determine the maximum length of pipe section that can be used without exceeding the allowable deflection at a joint. Combined deflections at rubber gasket, restrained joint, deflection coupling or flexible coupling joints shall not exceed 2 degrees.

3. The pipe shall be laid true to the line and grade shown on the plans.

4. Plastic Film Wrap

All ductile-iron pipe and fittings buried underground shall be double wrapped based. with plastic film wrap in accordance with AWWA C105, unless noted otherwise below. Wrap shall be a loose 8-mil-thick clear polyethylene tube. All joints between plastic tubes shall be wrapped with 2-inch-wide polyethylene adhesive tape, Polyken 900, Scotch wrap 50, or approved equal.

5. Fittings shall be supported independently of the pipe.

87 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15056-6

6. Until thrust blocks and supports are poured, fittings shall be temporarily supported by placing wooden skids under the bells so that the pipe is not subjected to the weight of the fitting. Temporary supports to be removed just prior to pouring of thrust blocks.

7. All exposed flanges and other metal surfaces and all damaged coatings shall be coated after assembly with a mastic, Minnesota Mining and Manufacturing EC 244, Koppers (Super- Tank) 505, or an approved equal.

8. All flanges to be waxed taped.

D. Anchors and Thrust Blocks

Concrete anchors and thrust blocks shall be poured against wetted undisturbed soil in accordance with Section 03300 and VWD standard drawing W-15.

E. Flanged Connections

1. Bolt holes of flanges shall straddle the horizontal and vertical centerlines of the pipe run.

2. Clean flanges by wire brushing before installing gasket.

3. Clean flange bolts and nuts by wire brushing, lubricate threads with anti-seize compound , and tighten nuts uniformly and progressively. Between 1/4 inch and 3/8 inch shall project through the nut when drawn tight.

4. If flanges leak under pressure testing, loosen or remove the nuts and bolts, reseat or replace the gasket, reinstall or retighten the bolts and nuts, and retest the joints. Joints shall be watertight.

F. Pipe Support

All exposed pipe shall be supported as detailed in the plans.

G. Disinfection

All domestic water piping shall be disinfected by chlorination in accordance with Section 15041.

H. Testing

All domestic water piping shall be hydrostatically pressure tested in accordance with Section 15042.

I. Bonding

Bonding of joints to provide continuity for cathodic protection shall be as specifically shown on the project plans, or directed by the District representative.

END OF SECTION
88 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15057-1

STANDARD SPECIFICATIONS

SECTION 15057

COPPER, BRASS, AND BRONZE PIPE

FITTINGS AND APPURTENANCES

PART 1 - GENERAL

A. Description

This section includes materials and installation of copper, brass, and bronze pipe, fittings and appurtenances.

B. Approved Manufacturers

1. All materials shall be the appropriate manufacturer and model number specified in the VWD Approved Material List, latest edition.

2. Copper Tubing
Per VWD Approved Material List, latest edition.

3. Service Saddle
Per VWD Approved Material List, latest edition.

4. Corporation Stop
Per VWD Approved Material List, latest edition.

5. Angle Meter Stop
Per VWD Approved Material List, latest edition.

6. Customer Valve
Per VWD Approved Material List, latest edition.

7. Insulating Pipe Bushings, Unions, or Couplings
Per VWD Approved Material List, latest edition.

PART 2 - MATERIALS

A. Copper

1. Copper tubing shall conform to the requirements of ASTM B 88 for seamless copper water tube. Piping located above ground or suspended within vaults shall be Type L. Buried piping shall be Type K, soft. Copper pipe shall be of domestic manufacture.

2. Fittings shall be copper conforming to ASTM B 75 and ANSI B16.22, with solder end joints. Fittings 3/8 inch and smaller may have flared end connections or compression joint connections.

3. Solder shall be silver solder conforming to ASTM B 32, Grade 95TA. Do not use cored solder.

89 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15057-2
B. Brass Pipe, Nipples, and Fittings

Short threaded nipples, brass pipe and fittings shall conform to ASTM B 43, regular wall thickness, except that nipples and pipe of sizes 1-inch and smaller shall be extra strong. Threads shall conform to ANSI B2.1.

C. Bronze Appurtenances

1. All items specified herein shall be manufactured of bronze conforming to ASTM B 62, "Composition Brass or Ounce Metal Castings."

2. Service saddles shall be of the double-strap type for ACP and DIP. The straps (or bails) shall be flat and shall be manufactured of silnic bronze for ACP and DIP. For C900 PVC, the service saddles shall be of the single-strap type and shall be manufactured of stainless steel. The body shall be manufactured of bronze and shall be tapped for an iron pipe thread. The seal with the pipe shall be made with either a rubber gasket or an O- ring.

Saddles to be installed on the outside of the poly wrap.

3. Corporation stops shall be ball valve type and shall be manufactured of bronze. The inlet fitting shall be a male iron pipe thread when used with saddle and the outlet connection shall be a compression type up to 150 psi. Female iron pipe (FIP) thread shall be used above 150 psi.

4. Angle meter stops shall be ball valve type for 1-inch services and ground inverted key type for 1-1/2-inch and 2-inch services and shall be manufactured of bronze. The inlet connection shall be a compression type up to 150 psi, or female iron-pipe thread above 150 psi and the outlet fitting shall be a meter flange or meter coupling. The inlet and outlet shall form an angle of 90 degrees on a vertical plane through the centerline of the meter stop. A rectangular lug and lock wing shall be provided on the side of the fitting to operate the shutoff mechanism.

5. Customer service valves shall be manufactured of bronze, ball valve type, with lever-type turn handle. The inlet connection shall be a meter flange or a meter coupling and the outlet female iron pipe.

D. Flanges, Gaskets, Bolts, and Nuts

1. Connect to flanged valves and fittings with bronze flanges conforming to ANSI B16.24, Class 125 or Class 150, to match the connecting flange. Use solder end companion flanges.

2. Gaskets for flanged-end fittings shall be 1/ 16-inch-thick ring gaskets.

3. When both adjoining flanges are bronze, use bronze bolts and nuts. Bolts shall conform to ASTM F 468, Grade C65100 or C63000. Nuts shall conform to ASTM F 467, Grade C65100 or C63000.

4. Connect to buried ferrous flanges with flange insulation kits. Bolts used in flange insulation kits shall conform to ASTM B 193, Grade B7. Nuts shall comply with ASTM A 194, Grade 2H. If the adjoining buried flange is bronze, use bronze bolts and nuts as described above, without a flange insulation kit.
90 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15057-3

PART 3 - EXECUTION

A. Copper Tubing and Fittings

1. Cut tubing square and remove burrs. Clean both the inside and outside of fitting and pipe ends with steel wool and muriatic acid before soldering. Prevent annealing of fittings and tubing when making connections. Do not miter joints for elbows or notch straight runs of pipe for tees.

2. Bends in soft copper tubing shall be long sweep. Shape bends with shaping tools. Form bends without flattening, buckling, or thinning the tubing wall at any point.

3. Brazing procedures shall be in accordance with Articles XII and XIII, Section IX, of the ASME Boiler and Pressure Vessel Code. Silver solder shall be used. Solder shall penetrate to the full depth of the cup in joints and fittings. Solderers shall comply with ANSI B31.3, paragraph 328.

4. Buried piping shall be installed with some slack to provide flexibility in the event of a load due to settlement, expansion or contraction. A MINIMUM COVER OF 30 INCHES BELOW THE FINISHED STREET GRADE SHALL BE MAINTAINED. The tubing is to be bedded and covered with sand or select material as determined by the District representative.

5. All domestic service laterals shall be 1-inch minimum size continuous copper tubing. End connections shall be compression or FIP type.

6. All 2-inch size services shall be installed with straight lengths of soft copper water tube Type K. All couplings and adapters shall be silver soldered.

7. The service line shall extend perpendicular to the centerline of the street from the water main to the meter stop or structure, except in a cul-de-sac, where the service shall run in a straight line from the water main to the meter stop.

B. Service Saddle

1. The service saddle shall be no closer than 18 inches to a valve, coupling, joint, or fitting.

2. The surface of the pipe shall be filed to remove all loose material and to provide a hard, clean surface before placing the service saddle.

3. The service saddle shall be tightened per manufacturer’s recommendation. Care shall be used to prevent damage or distortion of either the corporation stop or service saddle by over tightening.

4. The tap into the pipe shall be made in accordance with the pipe manufacturer's recommendation.

C. Installing Flange Bolts and Nuts

1. Lubricate bolt threads with anti-seize compound prior to installation. 91 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15057-4

2. Set flanged pipe with the flange bolt holes straddling the pipe horizontal and vertical centerlines.

D. Insulating Bushings and Unions

Pipe or fittings made of nonferrous metals shall be isolated from ferrous metals by nylon insulating pipe bushings, union, or couplings, to be submitted for approval by District Engineer.s.

E. Backfill Material

The pipe zone material for all service laterals shall be compacted sand per Section 02223.

END OF SECTION

92 PART 1 - GENERAL

1.1 DESCRIPTION

A. This section designates the requirements for the manufacture and installation of polyvinyl chloride, abbreviated PVC, pressure pipe.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

B. Other sections of the Standard Specifications, not referenced below, shall also apply to the extent required for proper performance of this Work.

1. Section 01300 – Submittals

2. Section 02223 – Trenching, Backfilling, and Compacting

3. Section 03300 – Concrete

4. Section 15000 – Piping Components

5. Section 15041 – Disinfection of Piping

6. Section 15042 – Hydrostatic Testing of Pressure Pipelines

7. Section 15056 – Ductile Iron Pipe and Fittings

8. Section 15057 – Copper, Brass, and Bronze Pipe Fittings and Appurtenances

1.3 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. The following standards have been referenced in this Section:

1. VWD Approved Material List

2. AWWA C900-16 PVC Pressure Pipe, 4 In. Through 60 In.

3. AWWA Manual M23 Pipe Design and Installation

1.4 SUBMITTALS

A. The Contractor shall submit the following information:

1. Manufacturer’s product data and installation instructions.

93 2. Manufacturer’s certification of compliance , including, but not limited, to the standards referenced herein and of the National Sanitation Foundation (NSF) .

NSF compliance is required for pipe and elastomeric gaskets for all potable water systems.

3. Statement from the pipe fabricator certifying that all pipe will be fabricated subject to a Quality Control Program.

4. Outline of Quality Control Program.

PART 2 - PRODUCTS

2.1 PIPE

A. PVC pressure pipe, 4 -inch through 60-inch, shall be manufactured in accordance with AWWA C900 -16, and shall be of the sizes and dimension ratio (DR) shown on the Approved Plans. The pipe shall have integral bell and spigot joints with elastomeric gaskets in accordance with AWWA C900-16 Section 4.3 (Pipe Requirements). The pipe shall conform with the outside diameter of cast -iron pipe unless otherwise specified and shall conform with the wall thickness of DR series 14 through 18.

B. DR14 (pressure class 305 psi) PVC pipe shall be used unless specifically shown otherwise on the Approved Plans.

C. Each pipe length shall be marked showing the nominal pipe size and O.D. base, the AWWA pressure class, the maximum allowable axial deflection (in degrees), and the AWWA specification designation. For domestic water application, the seal of the testing agency that verified the suitability of the material for such service shall be included. Pipe shall be within 1 year of the manufactured date.

D. Pipe for recycled lines shall be purple in color and marked with “RECYCLED WATER” designation in addition to the standard factory labeling required by AWWA and as approved by the District Engineer or their designee.

E. Lubricant and elastomeric gasket shall be supplied by the pipe manufacturer. Lubricant for pipe insertion shall be food grade and biodegradable.

2.2 FITTINGS

A. Ductile-iron fittings shall conform to the Standard Specifications. Fittings shall have push-on type joints manufactured specifically for PVC pipe.

2.3 DEFLECTION COUPLINGS

A. Deflection couplings shall have a maximum allowable deflection of 2 .5° at each bell for a maximum of 5° total deflection with each deflection coupling.

94 2.4 JOINT RESTRAINT SYSTEMS

A. Joint Restraint Systems may be used for PVC whe re shown on the Approved Plans with prior approval of the District and shall conform to the Standard Specifications.

2.5 CONCRETE

A. Concrete used for thrust, anchor, and support blocks shall conform to the Standard Specifications. Concrete for thrust blocks shall be Class "C".

2.6 TRACER WIRE

A. Tracer wire materials shall conform to the Standard Specifications.

2.7 WARNING/IDENTIFICATION TAPE

A. Warning/Identification tape materials shall conform to the Standard Specifications.

PART 3 - EXECUTION

3.1 GENERAL INSTALLATIONS PROCEDURES AND WORKMANSHIP

A. PVC pipe shall be stored in suppliers' y ards and on the job site in accordance with AWWA M23 and the manufacturer's recommendations. Store PVC pipe in the field by supporting the pipe uniformly in accordance with AWWA M23. PVC shall be supported by racks or dunnage to prevent damage to pipe. Pipe shall not be stacked higher tha n 4 feet or with weight on the bell ends. PVC pipe that has been subjected to excess ultraviolet radiation as identified by color fading or chalking shall not be used. The determination as to the acceptability of PVC pipe s hall rest so lely with the District Engineer or their designee.

B. PVC pressure pipe and fittings shall be installed per AWWA Manual M23 , and as herein specified

C. Laying lengths shall be 20 feet. When deep trenches or shoring restrictions hinder the use of th e standard length sections, the use of 10-foot and 15 -foot lengths shall be allowed with approval from the District Engineer or their designee . Random lengths are not allowed.

D. The pipe shall not be laid along curves. No deflections at bells, fittings, or of the pipe will be allowed . Use of high deflection couplings or ductile -iron fittings at bends or angle points to be approved by the District Engineer or their designee.

E. The pipe sections shall be accurately placed in the trench to the true alignment and grades as shown on the Approved Plans. Where the grade is not shown, pipe shall have a cover of 42 inches, for pipe 12 inch and smaller, or 48 inches, for pipe larger than 12 inch, to finished grade or as approved by the District Engineer. The pipe grade shall be approved by 95 the District. The pipe sections shall be placed such that the manufacturers labelling shall be visible, at the top of the pipe.

F. Tracer wire and warning/identification tape shall be installed on all PVC pressure mains.

G. At all times when pipe laying is not in progress, the open end of the pipe shall be closed with a tight-fitting cap or plug to prevent the entrance of foreign matter into the pipe. These provisions shall apply during the lunch break as well as overnight. In no event shal l the pipeline be used as a drain for removing water which has infiltrated into the trench. The Contractor shall maintain the inside of the pipe free from foreign materials and in a clean and sanitary condition until its acceptance by the District.

H. All existing facilities shall be potholed to verify the top, bottom and location for potential conflicts. Information to be submitted to the District Engineer or their designee prior to the installation of the new pipeline. No Inspections will be provided witho ut pothole information.

I. Pipelines shall be staked at 25 foot maximum intervals including all angle points, appurtenances and grade changes. Stakes to include stati oning, offset and top of pipe.

Appurtenances shall be staked at mainline and property line. Any appurtenances not perpendicular to the main will require an additional line stake with the property line stake.

Additional staking at each high deflection coupling may be required for radii.

3.2 INSTALLATION

A. The Contractor shall furnish and install all the pipe, closure sections, fittings, valves, and appurtenances shown including pipe supports, bolts, nuts, gaskets, and jointing materials as shown on the Approved Plans and as required to provide a complete and workable installation. All material connected to the pipe and the pipe shall be cleaned before assembly.

B. Proper care shall be used to prevent damage in handling, moving, and placing the pipe.

Hoist pipe with fork lift or other handling equipment to prevent major damage or shorten its service life. A cloth belt sling or a continuous fiber rope shall be used to prevent scratching the pipe. The pipe shall be lowered and not dropped from the truck. Dropped pipe will be rejected.

C. Trenching, backfilling, and compacting, including the pipe bedding, shall conform to the Standard Specifications. Place and compact a minimum of 4 inches of imported sand for the pipe bedding. Imported sand shall be used for backfill within the pipe zone.

D. The Contractor shall take all necessary precautions to prevent the pipe from floating due to water entering the trench from any source; shall assume full responsibility for any damage due to this cause; and shall pay for and perform the work to restore and replace the pipe to its specified condition and grade if any displacement occurs due to floating.

E. Prior to laying the pipe, the bottom of the trench shall be graded and prepared to provide uniform bearing throughout the entire length of each joint of pipe. Bell holes of ample 96 dimension shall be dug at each joint to permit proper assembly and inspection of the entire joint. The trench shall have a flat bottom conforming to the grade to which the pipe is to be laid.

F. Pipe shall be cut by a method recommended in the pipe manufacturer's installation guide, as approved by the District Engineer or their designee . When pipe is cut, and is to be joined to a ductile-iron fitting or another piece of pipe, the end shall be beveled in the field equal in quality to the machined ends of the pipe as furnished by the manufacturer. Such machin- ing shall not result in undercutting the wall thickness and must be approved by the District Engineer or their designee before installation.

G. All fittings and valves shall be independently supported so that the pipe is not subjected to the weight of these appurtenances. All fittings and valves shall have joints that match the type of adjoining pipe.

H. Concrete thrust blocks shall be placed as follows:

1. As shown on the Approved Plans or where directed by the District Engineer or their designee and s hall conform to the requirement s of the Standard Specifications and Standard Drawing W-15 and as specified herein.

2. Shall be provided at the location of all angles greater than 5 degrees, at changes in pipe size, ductile-iron fittings, valves, fire hydrants ells, and end of line plugs.

3. The bearing surface shall be against the stable undisturbed ground and the fittings to be anchored. In unstable conditions, the bearing surface shall be as recommended by the Engineer and as directed by the District Engineer or their designee.

4. The concrete shall be placed, unless specifically shown otherwise on the Approved Plans, so that the pipe joints and fittings will be accessible to repairs.

3.3 PIPE JOINT ASSEMBLY

A. The spigot and bell shall slide together without displacement of the elastomeric gasket. The joint shall be dirt free. The best laying practice is with the bell facing in the direc tion of laying.

B. Insert the elastomeric gasket into the groove making sure the gasket is completely seated.

Lubrication of the spigot and instruction of use shall be supplied by the pipe manufacturer.

The use of excessive lubricant will not be permitted.

C. The spigot shall be inserted into the bell and forced slowly into position by use of a large bar lever and a wood block across the pipe end. Machine insertion will not be allowed. For large pipe, a come -along with padding that will not scratch the pipe) may be used . Care shall be taken to not “over-stab” the pipe.

D. All fittings and valves shall have joints that match the type of adjoining pipe. 97 E. There shall be no tap within 30 inches of a pipe joint.

3.4 JOINT RESTRAINT SYSTEMS

A. Joint Restraint Systems shall be installed as shown on the Approved Drawings and in accordance with the manufacturer’s recommendations.

3.5 HYDROSTATIC TESTING

A. All pipelines shall pass a hydrostatic pressure test in accordance with the Standard Specifications.

3.6 DISINFECTION

A. All domestic water pipelines shall successfully be chlorinated in accordance with the Standard Specifications prior to connection to the existing distribution system.

**END OF SECTION**
98 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15089-1

STANDARD SPECIFICATIONS

SECTION 15089

COMBINATION AIR VACUUM / AIR-RELEASE VALVE ASSEMBLY

PART 1 - GENERAL

A. Description

This section includes materials and installation of combination air vacuum/air-release valves.

Valves are to be provided and installed per AWWA C 512, unless noted otherwise in this section.

B. Application

1. Combination valves shall be installed at high points on the line or as shown on the plans.

2. If the profile changes during construction from that shown on the drawings, valve assemblies shall be installed at the high points in lines as constructed.

3. The installation shall be complete as shown on VWD standard drawings W-2, or W-3, or W-24 and W-25
.

4. Combination valve assemblies shall function to slowly release pockets of air which accumulate at high points, or changes in line gradient, exhaust large quantities of air from pipeline while being filled and admit large quantities of air into pipeline when being drained to prevent air lock or vacuum collapse of the pipe.

C. Related Work Specified Elsewhere

All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Concrete: 03300

2. Painting and Coating: (item C-3.C.) 09900

3. Hydrostatic Testing of Pressure Pipelines: 15042

4. Copper, Brass and Bronze Pipe, Fittings and Appurtenances: 15057

5. Manual Valves: 15100

D. Approved Manufacturers

Per VWD Approved Material List, latest edition.

99 Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15089-2
E. Air-Release Valve Criteria

Air release shall be sized to accommodate the release of the maximum amount of entrained air that could be released in the system, as a function of the maximum differential in temperature and pressure which could result in air entrainment, or 2% of the volume of water passing through the system; whichever is greater.

F. Vacuum Release Criteria

The vacuum release shall be sized to accommodate 100% of the CFM of air of the pipeline.

PART 2 - MATERIALS

A. Combination Air Release Valves

1. Materials of construction for combination air and vacuum release valves shall be a s

B. Steel Vented Pipe Vertical Cover

The steel vented pipe vertical cover shall be Pipeline Products, or approved equal, per VWD standard drawing W-25.

C. Service Piping

Per approved material list.

Water service piping utilized in the installation of the combination air and vacuum relief valve shall be Type K, soft copper with bronze accessories.

.

D. Meter Box

Meter box and lids shall be per VWD Approved Material List, latest edition.

E. Stainless Steel Pipe

The pipe nipple between the isolation valve and the combination air release assembly shall be brass.

PART 3 - EXECUTION

A. Location

1. Combination air-vacuum/air-release valves shall be installed at each point in the pipeline as shown on the drawings or as specified by the District representative.

2. The tap for the air valves shall be made in a level section of pipe no closer than 18 inches to a bell, coupling, joint, or fitting. No tap shall be permitted in any machined section of ACP.

100
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15089-3
B. Installation

1. Combination valves shall be installed in accordance with VWD standard drawings W-2, or W-3, or W-24 and W-25.

2. The tap and piping shall be installed per Section 15057.

3. The concrete pad and support shall be constructed per Section 03300. Riser piping shall extend through concrete slab and wrapped in 10 mil. tape.

4. Clean threaded joints by wire brushing or swabbing. Apply Teflon joint compound or Teflon tape to pipe threads before installing threaded valves. Joints shall be watertight.

5. The combination valve and the steel vented pipe cover shall be painted in accordance with Section 09900. The final coat of paint shall be applied immediately prior to the final inspection.

C. Valve Pressure Testing

1. Test valves at the same time that the connecting pipelines are pressure tested. See Section 15042 for pressure testing requirements.

2. Protect or isolate any parts whose pressure rating is less than the test pressure.

END OF SECTION
101
SECTION 15100 – VALVES

SECTION 15100 - 1 of 10
PART 1 – GENERAL

1.1 DESCRIPTION

This section includes materials, testing, and installation of manually operated valves.

Manual valves to be supplied and installed per ANSI/AWWA C504, C507, and C509, unless noted otherwise below.

1.2 RELATED SECTIONS SPECIFIED ELSEWHERE

All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

A. Section 01300 – Submittals

B. Section 02223 – Trenching, Backfilling, and Compacting

C. Section 03300 - Concrete

D. Section 09900 – Painting and Coating

E. Section 15000 –
Piping Components

F. Section 15042 –
Hydrostatic Testing of Pressure Pipelines

G. Section 15102 – Resilient-Wedge Gate Valves

H. Section 15103 –
Butterfly Valves

1.3 APPROVED MANUFACTURERS AND MODELS

A. Ball Valves – Above ground Smaller Than 3 Inch
Per plans and specifications.

B. Gate Valves - 3 Inch and Smaller
Per plans and specifications.

C. Butterfly Valves
Per VWD Approved Material List, latest edition.

D. Resilient - Seated Wedge Gate Valves: 4 Inch through 24 Inch Per VWD Approved Material List, latest edition.

E. Valve Boxes
Per VWD Approved Standard Drawing W- 14
.

1.5 REFERENCE SPECIFICATIONS, CODES AND STANDARDS
102
SECTION 15100 – VALVES

SECTION 15100 - 2 of 10

Except as otherwise indicated, the current editions of the following standards apply to the Work of this section:

ANSI/ASME B16.1 Cast Iron Pipe Flanges and Flanged Fittings ANSI/ASME B16.5 Pipe Flanges and Flanged Fittings
ANSI/ASME B16.47 Large Diameter Steel Flanges: NPS 26 through NPS 60 ANSI/ASME B1.20.1 Pipe Threads (Inch), General Purpose
ASME B16.10 Face to Face and End to End Dimensions of Valves ASME B16.34 Valves, Flanged Threaded and Welding End
ASTM A36 Standard Specification for Carbon Structural Steel ASTM A48 Standard Specification for Gray Iron Castings
ASTM A126 Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings
ASTM A216 Standard Specification for Steel Castings, Carbon Suitable for Fusion Welding for High Temperature Service
ASTM A351 Standard Specification for Steel Castings, Austenitic, Austenitic- Ferric (Duplex), and Pressure-Containing Parts
ASTM A395 Standard Specification for Ferritic Ductile Iron Pressure Retaining Castings for Use at Elevated Temperatures
ASTM A515 Standard Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate and Higher Temperature Service
ASTM A536 Standard Specification for Ductile Iron Castings ASTM A743 Standard Specification for Castings, Iron-Chromium, Iron- Chromium-Nickel, Corrosion-Resistant, for General
Purposes
ASTM B61 Standard Specification for Stream or Valve Bronze Castings A
STM B62 Standard Specification for Composition Bronze or Ounce Metal Castings
ASTM B148 Standard Specification for Aluminum-Bronze Sand Castings ASTM B584 Specification for Copper Alloy Sand Castings for General Applications
ASTM D429 Standard Test Methods for Rubber Property – Adhesion to Rigid Subst
rates
ANSI/AWWA C110 Ductile-Iron and Gray-Iron Fittings
ANSI/AWWA C115 Flanged Ductile-Iron Pipe with Ductile-Iron or Gray-Iron Threaded Flanges
ANSI/AWWA C207 Steel Pipe Flanges for Waterworks Service – Sizes 4 inch T
hrough 144 Inch
ANSI/AWWA C210 Liquid-Epoxy Coating Systems for the Interior and Exterior of Steel Water Pipelines
ANSI/AWWA C213 Fusion-Bonded Epoxy Coating for the Interior and Exterior of Steel Water Pipelines
ANSI/AWWA C504 Rubber-Seated Butterfly Valves
ANSI/AWWA C509 Resilient-Seated Gate Valves for Water Supply Service ANSI/AWWA C512 Air-Release, Air/Vacuum, and Combination Air Valves for Waterworks Service
ANSI/AWWA C515 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service
ANSI/AWWA C550 Protective Epoxy Interior Coatings for Valves and Hydrants SSPC SP 2 Hand Tool Cleaning
SSPC SP 5 Joint Surface Preparation White Metal Blast Cleaning 103
SECTION 15100 – VALVES

SECTION 15100 - 3 of 10
MSS SP6 Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings
MSS SP25 Standard Marking Systems for Valves, Fittings, Flanges, and Unions

1.6 SUBMITTALS

Contractor shall furnish submittals in accordance with the requirements of Standard Specifications. The following submittals are required:

A. Product data from manufacturer, calculations, manufacturer's catalog data and detail construction sheets showing all valve parts and describing material of construction by material and specification (such as AISI, ASTM, SAE, or CDA). Submittal shall include valve dimensions including laying lengths and dimensions, orientation of valve operators, port sizes, number of turns, and required torque input of the actuator to be used. Information shall be submitted on valve handles, hand wheels, actuators, position indicators, limit switches, integral control systems, needle valves, and control systems. Submittal shall show location of internal stops for gear actuators. Submittals shall also indicate valve linings and coatings with manufacturer's and paint numbers listed. Contractor shall indicate the size, quantity and pressure rating of valves, including the class and drilling pattern of the flanges where applicable.

B. Manufacturer’s certification that products comply with the requirements set forth in the Standard Specifications.

C. Manufacturer’s certification that all linings and coatings have been factory tested for holidays and lining/coating thickness and comply with the indicated requirements.

I
nclude factory test data.

D. For valves requiring certified tests, submit certified test results.

E. A schedule of valves to be labeled, indicating in each case the valve location, station, valve structure, type, manufacturer, size, pressure rating, drilling pattern, model number of each valve and type, manufacturer, model number of each valve operator, and the proposed wording for the label.

F. Operation and maintenance data shall be submitted and shall include, but not be limited to, the following information:

1. Manufacturer's installation and operating instructions.

2. Manufacturer's maintenance procedures.

3. List of special tools.

4. Schedule of valves indicating valve identification and location.

5. Spare Parts List: A spare parts list shall be provided with information for each va
lve assembly.
104
SECTION 15100 – VALVES

SECTION 15100 - 4 of 10

1.7 APPLICATION

A. Flanged End

All valves connecting to mains shall be flanged on at least one side and bolted to the fitting on the main.

B. Single Type of Valve

The contractor shall choose an approved valve and then use only that valve throughout the project.

C. Detector Check and Backflow Prevention Assembly

Isolation valves on a detector check or backflow prevention assembly are to be part of an integral unit, furnished and assembled by the manufacturer of the device.

D. Butterfly Valves

Butterfly valves shall only be considered for approval on lines 14 inches and larger or as specifically shown on the plans.

E. Resilient-Seated Wedge Gate Valves

Resilient-seated wedge gate valves shall be used on all pressure class 150 lines 6 inch through 24 inch or as specifically shown on the plans.

1.8 DELIVERY, STORAGE, AND HANDLING

Valves shall be delivered and stored in accordance with ANSI/AWWA C550. The port openings shall be covered with plastic, cardboard or wood while in transit and during storage in the field.

These covers shall remain in place until valves are ready to be installed. Valves shall not be stored in contact with bare ground. Valves shall not be stacked.

PART 2 – PRODUCTS

2.1 GENERAL

A. Valves shall be installed complete with operating handwheels or levers, extension stems, worm gear operators, operating nuts, chainwheels, chains, and wrenches required for operation.

B. Valves shall have the name of the manufacturer, the size of the valve, and the date of manufacture cast or molded onto the valve body or bonnet or shown on a permanently attached plate. Do not attach ID plates to the valve body or bonnet for gate valves.

C. Valve body and trim casting shall be of domestic origin.

D. Coordinate the drilling pattern and orientation of bolt holes between valves and adjacent flanges. Use only flat-faced flanges for all valves.

E. Bolts, nuts, and washers for flanged valves shall conform to the Standard Specifications .

105
SECTION 15100 – VALVES

SECTION 15100 - 5 of 10

F. Gaskets for flanged end valves shall be NSF-61 only as described in the Standard Specifications.

G. All valves shall be new and of current manufacture. Valves shall be furnished and installed by the Contractor at the location and in accordance with the type of ends as shown on the Plans and as specified herein. Where not indicated, the valves shall have the same type of connection as the pipeline in which valves are to be installed and conform to the Specifications.

H. The Contractor shall furnish and install each specific type of valve from a single manufacturer and use it throughout the Work.

2.2 VALVES

A. ABOVE GROUND BALL VALVES 3 INCHES AND SMALLER

1. Aboveground threaded end ball valves, 1/4 inch through 3 inches, for water service shall be full bore port ball type having a minimum working pressure of 200 psi WOG. Valves shall have plastic coated lever operators.

2. Materials of construction shall be as described below:

Component Material Specification

Body Bronze ASTM B 62
Ball Bronze ASTM B 62
Seat, Seals Teflon
Stem Bronze or Copper silicon ASTM B 62, B 99
(Alloy 651), B 584
B 371 (Alloy 694)

3. Stem material shall have a minimum tensile strength of 60,000 psi and a minimum yield strength of 30,000 psi.

B. GATE VALVES 3 INCHES AND SMALLER

1. Valves shall conform to AWWA C500 and the following:

2. Gate valves shall be designed for a working pressure of 200 psi or 250 psi as required.

3. Gate valves shall be furnished with ends as specified on plans or by the District.

C. TAPPING VALVES

1. Tapping valves shall conform to all requirements for gate valves 6 inches and larger and the additional requirements listed herein.

2. All valve ends shall be flanged. The flange on one end shall have slotted bolt holes to fit all standard tapping machines.

3. Seat rings shall be oversized to permit the use of full-size cutters. 106
SECTION 15100 – VALVES

SECTION 15100 - 6 of 10

4. Resilient-seated wedge gate valves may be used as tapping valves, provided that the disk fully retracts to produce a full port opening.

D. BUTTERFLY VALVES

Butterfly valves shall be in accordance to the Standard Specifications.

E. RESILIENT-SEATED WEDGE GATE VALVES

Resilient-seated wedge gate valves shall be in accordance to the Standard Specifications.

F. MISCELLANEOUS VALVES

1. Hose Bibbs and Valves: Hose bibs shall be furnished and installed in the locations shown on the Plans and shall be of the sizes required. They shall be brass hose valves, Crane 58 or approved equal. Hose valves shall be Crane 117 or approved equal, with National Standard threads, cap, and chain.

2. Globe valves smaller than two- inches (2”) in diameter shall have threaded ends, bronze bodies per ASTM B62 with union bonnets for class 150 rating. Globe valves shall contain a Teflon disc, brass or bronze disc holder and nut per ASTM B62, malleable iron hand wheel, bronze packing nut per ASTM B584, copper-silicon bronze stem per ASTM B371, and shall have non-asbestos fiber with Teflon packing.

G. CORPORATION STOPS –
BRONZE, 2 INCHES AND SMALLER

1. Stops per Approved Material List, latest edition. Use either flared tube fittings for working pressures from zero to 150 psi, or solder joint fittings for working pressures from zero to 300 psi.

H. BALL VALVES – BRONZE, 2 INCHES AND SMALLER

1. Ball valves per Approved Materials List, latest edition. Use a lever handle for non-buried installations and a tee handle for buried installations.

2.3 VALVE OPERATORS

A. Provide lever or wrench operators having adjustable, "position indicator" for exposed valves smaller than 6 inches.

B. Provide 2-inch ANSI/AWWA operating nuts for buried and submerged valves.

C. Gear operators shall be enclosed, suitable for running in oil with seals provided on shafts to prevent entry of dirt and water into the operator. Gear operators for valves located above ground or in vaults and structures shall have handwheels. Minimum handwheel diameter shall be 12 inches. The operator shall contain a dial indicating the position of the valve disc or plug.

Gear operators for buried or submerged valves shall have 2-inch square AWWA operating nuts.

D. For buried or submerged service, provide watertight shaft seals and watertight valve and actuator cover gaskets.

Provide totally enclosed operators designed for buried or submerged service. 107
SECTION 15100 – VALVES

SECTION 15100 - 7 of 10

E. Traveling nut and worm and gear operators shall be of the totally enclosed design so proportioned as to permit operation of the valve under full operating head with a maximum pull of 80 pounds on the handwheel or crank and shall be fully grease packed. Provide stop limiting devices in the operators in the open and closed positions. Operators shall be of the self-locking type to prevent the disc or plug from creeping. Design operator components between the input and the stop-limiting devices to withstand without damage a pull of 200 pounds for handwheel or chainwheel operators and an input torque of 300 foot-pounds for operating nuts when operating against the stops.

F. Operators on buried valves shall produce the required torque on the operating nut with a maximum input of 150 foot-pounds.

G. Valve operators, handwheels, or levers shall open by turning counterclockwise.

2.4 PAINTING AND COATING

A. Coat metal valves (except bronze and stainless-steel valves) located above ground or in vaults and structures in accordance with the Standard Specifications. Apply the specified prime coat at the place of manufacture. Apply finish coat in field. Finish coat shall match the color of the adjacent piping. Coat handwheels the same as the valves.

B. Coat buried metal valves at the place of manufacture per the Standard Specifications. Valves shall be holiday-free tested at the factory.

C. Valves 4 inches and larger shall be coated on their interior metal surfaces excluding seating areas and bronze and stainless-steel pieces in accordance with AWWA C550 and these specifications. Surfaces shall be sandblasted in accordance with SSPC SP-5. Remove all protuberances which may produce pinholes in the lining. Round all sharp edges to be coated.

Remove any contaminants which may prevent bonding of the lining. Coat the interior ferrous surfaces using one of the following methods:

2. Apply powdered thermosetting epoxy (Scotchkote 134 or equal) per the manufacturer's application recommendations to a thickness of 8 to 10 mils.

3. Apply two coats of catalytically setting epoxy (Keysite 750, Gilpon, or equal) to a dry-film thickness of 8 to 10 mils total. Follow the paint manufacturer's application recommendations including minimum and maximum drying time between the required coats.

All valve coatings shall be factory applied per the Approved Materials List, latest edition. Coating applied by the valve distributor will not be permitted. Touch up and repair of valve coatings shall be only done by authorized factory distributors.

2.5 VALVE BOXES FOR BURIED VALVES

A. Valve extension pipe material shall be 8-inch SDR-41 PVC, white.

B. Valve boxes and caps shall be per VWD standard drawings W-14 and W-16.

2.6 EXTENSION STEMS FOR BURIED VALVE OPERATORS

108
SECTION 15100 – VALVES

SECTION 15100 - 8 of 10
A. Where the depth of the valve is such that its centerline is more than 4 feet below grade, provide operating extension stems to bring the operating nut to a point 24 to 30-inches below the surface of the ground and/or box cover.

B. Extension stems shall be galvanized steel and shall be complete with 2-inch-square operating nut.

C. Valve stem extensions shall be of a solid design (no pinned couplings permitted) with guides.

PART 3 – EXECUTION

3.1 LOCATION

Valve assembly shall be installed in a level section of pipe. No tap shall be installed within 18 inches to a valve.

3.2 JOINTS

A. Bolt holes of flanged valves shall straddle the horizontal and vertical centerlines of the pipe run to which the valves are attached. Clean flanges by wire brushing before installing flanged valves. Clean flange bolts and nuts by wire brushing, lubricate threads with oil and graphite, and tighten nuts uniformly and progressively. If flanges leak under pressure testing, loosen or remove the nuts and bolts, reseat or replace the gasket, reinstall or retighten the bolts and nuts, and retest the joints. Joints shall be watertight.

B. Clean threaded joints by wire brushing or swabbing. Apply Teflon joint compound or Teflon tape to pipe threads before installing threaded valves. Joints shall be watertight.

C. Rubber ring grooves of valves shall be inspected before installation by the contractor for ridges or holes that would interfere with the rubber ring. Interferences with the rubber ring shall be corrected to a satisfactory condition or the valves replaced, as determined by the District. (All valves shall have the same rubber-ring groove profile as the groove of the pipe couplings furnished with the pipe.)

3.3 EXTERIOR PROTECTION

A. All exposed flanges and other metal surfaces and all damaged coatings shall be per the Standard Specifications.

B. Wrap buried valves with 8-mil clear polyethylene wrap per ANSI/AWWA C105 such that only the stem and operating nut are exposed. Polyethylene wrap shall be clear for use with potable water and purple for use with recycled water. Secure with 2” wide polyethylene or vinyl adhesive tape.

3.4 CONCRETE SUPPORTS

A. Concrete shall be placed in accordance to the Standard Specifications.

B. Valves shall be anchored in concrete as shown in VWD standard drawing W-15.

C. Concrete supports are required under valves bolted to flanged fittings.

D. Until supports are poured, valves may be temporarily supported by means approved by the 109
SECTION 15100 – VALVES

SECTION 15100 - 9 of 10
District representative so that the pipe is not subjected to the weight of the valve. Temporary supports to be removed after permanent supports are poured.

E. All concrete anchors and thrust blocks specified or required by the District representative are considered as part of the pipeline installation.

F. The concrete shall be placed so that valves and valve operators will be accessible for repairs or replacement.

3. 5 VALVE BOXES

A. Valve boxes shall be firmly supported and shall be kept centered and plumb over the operating nut of the valve.

B. Beveled sections of pipe will not be allowed at the top of the valve extension pipe. The top cut shall be square and machine made.

C. During the construction of new tracts, the valve extension pipes for "key valves" shall extend well above the ground level to permit ease of location in case of emergency shutoffs.

D. The box cover shall be flush with the surface of the finished pavement or at any other level designated by the District representative as per VWD standard drawing W-14.

3.6 BACKFILL

A. All backfill within 24 inches of a valve shall be clean, washed sand, placed, and compacted in accordance with the Standard Specifications.

3.7 PRESSURE TESTING

A. Valves requiring a factory hydrostatic test and holiday detection that are delivered to the site prior to approval will be subject to rejection. Valves shall by hydrostatically tested in the field in conjunction with the pipeline in which it is connected in accordance with the Standard Specifications.

3.8 VALVE FIELD TESTING

A. Operate manual valves through ten full cycles of opening and closing. Valves shall operate from full open to full close without sticking or binding. If valves stick or bind, repair or replace valve and repeat the tests.

B. Manual gear actuators for butterfly, ball and plug valves shall operate valves from full open to full close through ten cycles without binding or sticking. The pull required to operate handwheel- or chainwheeel-operated valves shall not exceed 80 pounds. The torque
required to operate valves having two inch AWWA nuts shall not exceed 150 foot pounds. If actuators stick or bind or if pulling forces and torques exceed the values stated previously, repair or replace the actuators and repeat the tests. Fully lubricate operators in accordance with the manufacturer’s recommendations prior to operating.
110
SECTION 15100 – VALVES

SECTION 15100 - 10 of 10

3.9 FIELD PAINTING AND COATING

A. The exterior of valves installed above ground or exposed in vaults or enclosures shall be field painted in accordance with the Standard Specifications.

**END OF SECTION**
111
SECTION 15102 – RESILIENT-SEATED WEDGE GATE VALVES

SECTION 15102 - 1 of 2
PART 1 – GENERAL

1.1 DESCRIPTION

This section includes materials, testing, and installation of resilient-seated wedge gate valves.

Butterfly valves to be supplied and installed per ANSI/AWWA C509 and C515, unless noted otherwise below.

1.2 RELATED SECTIONS SPECIFIED ELSEWHERE

All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

A. Section 01300 –
Submittals

B. Section 09900 – Painting and Coating

C. Section 15100 – Valves

1.3 APPROVED MANUFACTURERS AND MODELS

A. Resilient-seated wedge gate valve s shall be manufactured by AFC, AVK, Clow, or Mueller per VWD Approved Material List, latest edition.

1.4 REFERENCE SPECIFICATIONS, CODES AND STANDARDS

Except as otherwise indicated, the current editions of the following standards apply to the Work of this section:

ANSI/AWWA C509 Resilient-Seated Gate Valves for Water Supply Service ANSI/AWWA C515 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service

1.5 SUBMITTALS

Submittals shall conform to the Standard Specifications.

1.6 FACTORY TESTING

A. Valves shall be facility tested in compliance with ANSI/AWWA C509.

B. Proof-of-design tests reports shall be submitted in compliance with ANSI/AWWA C509.

PART 2 – PRODUCTS

2.1 RESILIENT-SEATED WEDGE GATE VALVES (ANSI/AWWA)

A. General
112
SECTION 15102 – RESILIENT-SEATED WEDGE GATE VALVES

SECTION 15102 - 2 of 2

1. All valves shall be leak tight at their rated working pressure.

2. Valves shall have non-rising stems, opening by turning left and provided with 2-inch- square operating nut. Outside stem and yolk valves shall be used on backflow device shutoff valves.

3. Each valve shall have a smooth unobstructed waterway free from any sediment pockets.

4. Stem seals (Stuffing boxes) shall by O-ring seal type with two rings located in stem per ANSI/AWWA C509.

5. Low friction torque reduction thrust bearings shall be located both above and below the stem collar.

6. Materials shall be as described below:

Component Material Specification

Body, Operating Nut
Bonnet, Seal Plate
Ductile Iron ASTM A 126
Class B
Gate Ductile Iron ASTM A 126
Class B
Bonnet and Seal
Bolts
Stainless Steel Type 316
O-Rings Synthetic Rubber ASTM D2000

7. All internal working parts (excluding gate) shall be all bronze containing not more than 2 percent aluminum or more than 7 percent zinc. Valve stems shall be of low zinc content (2%) or stainless steel, having a minimum tensile strength of 70,000 psi, a yield strength of 40,000 psi, and 12% elongation in 2 inches. The stem is to be visibly marked so that it meets this requirement. For sewer applications, the stem shall be Type 316 stainless steel.

8. All gates shall be encapsulated in Buna-S rubber or nitrile elastomer.

9. All drain cocks and plugs to be stainless steel.

B. Coatings: Ferrous surfaces of valves, four-inch (4”) and larger, which will be in contact with water (exclusive of flange faces) shall be coated complying with the Standard Specifications and external surfaces fusion bonded and epoxy coated.

C. Valve Testing

1. Resilient-seated wedge gate valves shall be hydrostatically tested and coatings shall be holiday detected prior to shipment to the field.

PART 3 – EXECUTION

3.1 INSTALLATION

A. The installation shall be in accordance with the Standard Specifications.

B. Install valves with the bolt holes straddling the vertical centerline of pipe and the operating nut in the vertical position unless otherwise noted on the Plans.

**END OF SECTION**
113
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15112-1

STANDARD SPECIFICATIONS

SECTION 15112

BACKFLOW PREVENTERS

PART 1 - GENERAL

A. Description

This section includes materials, installation, and testing of backflow prevention assemblies.

B. Related Work Specified Elsewhere

All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Concrete: 03300

2. Ductile-Iron Pipe and Fittings: 15056

3. Copper, Brass, and Bronze pipe, Fittings, and Appurtenances: 15057

4. Manual Valves: 15100

5. Meters: 15150

C. Approved Assemblies

The backflow prevention assembly shall be included in the latest edition of the "List of Approved Backflow Prevention Assemblies," Foundation for Cross-Connection Control and Hydraulic Research, University of Southern California, School of Engineering.

D. Application

1. A backflow prevention device shall be installed at all locations where the potential for a backflow condition into the District's domestic water mains exists. The device shall be located immediately behind the meter assembly, or as close as reasonably possible.

2. The type of device required will depend on the level of potential hazard which exists and will be a Reduced Pressure Principle Device (RPP). The fire system protection, RPDA or DCDA, will be as determined by the District.

3. Any service providing domestic water to anything other than a private residential dwelling shall have backflow protection.

114
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15112-2
E. Responsibility

The District will maintain only the by-pass meter and the service from the main to the Public Right of Way or Easement . The owner is responsible for the testing, maintenance and repair or replacement of the device.

PART 2 - MATERIALS

A. Shut-Off Valves

The shut-off valves for assemblies 3-inch and larger shall be resilient seat gate valves conforming to S ection 15100. Ball valves shall be used on assemblies smaller than 3- inch.

B. Ductile Iron Piping and Fittings

Ductile iron piping and fittings shall be furnished and installed in accordance with Section 15056.

C. Concrete

Concrete thrust blocks and supports shall be in conformance with Section 03300.

D. By-Pass Piping

By-pass piping shall be copper or brass conforming to Section 15057.

E. Backflow Prevention Assembly

All backflow prevention assemblies shall conform to the latest edition of AWWA C506 and the "Manual of Cross-Connection Control," Foundation for Cross-Connection Control and Hydraulic Research, University of Southern California, School of Engineering.

F. By-Pass Meter

The by-pass meter shall conform to the requirements of Section 15150 and shall be sized and compatible with the backflow device on which it is installed. The backflow prevention assembly and the by-pass meter shall be furnished as one complete unit. All by-pass meters shall be per the VWD Approved Material List, latest edition, with registers reading in cubic feet.

PART 3 - EXECUTION

A. Installation

Installation of the double detector check assembly or the reduced pressure principle assembly will be per VWD standard drawings W-12, W-13 or W-19, and as noted below.

1. Installation shall comply with the latest plumbing codes and applicable local agency requirements.

2. Installation shall comply with the requirements of the latest District standard drawings.
115
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15112-3

B. Testing

Upon completion of the installation of the device, a test shall be performed and a certificate of the adequacy and operational compliance shall be furnished to the District. The tests shall be performed by a testing agency or tester approved by the District.

END OF SECTION
116
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15139-1

STANDARD SPECIFICATIONS

SECTION 15139

FIRE HYDRANTS

PART 1 - GENERAL

A. Description

This section includes the materials, installation and testing of fire hydrants.

Hydrants shall be supplied and installed per VWD standard drawings W-4 and W5, AWWA C 503 and as described herein.

B. Related Work Described Elsewhere

All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Trenching, Backfilling, and Compacting: 02223

2. Concrete: 03300

3. Painting and Coating: 09900

4. Hydrostatic Testing of Pressure Pipelines: 15042

5. Ductile Iron Pipe and Fittings: 15056

6. Manual Valves: 15100

C. Approved Wet Barrel Hydrants

1. Residential Use
Per VWD Approved Material List, latest edition

2. Commercial and Industrial Use
Per VWD Approved Material List, latest edition
117
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15139-2
PART 2 - MATERIALS

A. Wet Barrel Hydrant

1. Hydrant Top Section

Per governing fire agency and District Approved Material List.

2. Bury Section

a. The bury section shall be 6-inch Ductile Iron shortradius bury elbow and shall be cement lined in conformance with Section 15056. Bury inlet shall be 6-inch non- asbestos hub bell connection for ductile iron pipe or C900 PVC pressure pipe.

b. A ground ductile iron cast iron spool shall be installed to position the hydrant flange 4-6 inches above the concrete pad (finish grade).

c. All wet-barrel fire hydrant cast-iron buries are to be cement lined.

d.

When using a riser spool, bolts shall conform to ASTM A307, zinc plated.

e. Bury section outlet and riser spool flanges shall be six-hole “San Diego” drilling. 118
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15139-3
C. Break-Away Bolts

1. Break-away bolts shall be used to join the spool section to the hydrant top section.

2. All bolts and nuts, shall conform to ASTM A307, zinc plated.

D. Valve

The shut-off valve shall be a resilient-seated gate valve per Section 15100, including the valve box.

Butterfly valves will not be permitted on fire hydrant service.

E. Ductile Iron Pipe

Ductile iron pipe shall be per Section 15056.

F. Ductile Iron Pipe and Fittings

Ductile-iron Pipe and fittings shall be in accordance with Section 15056.

G. Concrete

Concrete pads and supports shall be Class B concrete conforming to Section 03300.

H. Gaskets

Gaskets shall be of rubber composition per Section 15056.

PART 3 - EXECUTION

A. General

1. Fire hydrant assemblies shall be installed in accordance with the standard drawing and as specified herein, and shall include the connection to the main, the fire hydrant, hydrant bury, shutoff valve, valve well and valve box, connection piping, concrete thrust blocks, concrete pad and appurtenances.

2. Refer to VWD standard drawings W-4 and W-5.

B. Locati on

Fire hydrant assemblies shall be located as shown on the plans or as approved by the District representative. The center of the fire hydrant shall be, except as otherwise approved by the District representative, located per VWD standard drawing W-5.

The flange elevation at the base of the hydrant shall be set 4-inches to 6-inches above the sidewalk or the concrete pad, or as approved by the District representative. Additional spools will not be permitted when correcting the flange elevation.

119
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15139-4
C. Trenching, Backfilling, and Compacting

1. All trenching, backfilling, compaction and other excavation shall be in accordance with Section 02223.

2. All backfill within 24 inches of a valve shall be imported sand.

D. Valve and Valve Box

The valve and valve box shall be installed in accordance with Section 15100.

E. Ductile Iron Pipe

Ductile iron pipe shall be installed in conformance with Section 15056.

F. Break-Away Bolts

Break-away bolts shall be installed with the threads away from the top of the hydrant.

G. Concrete

The concrete pad shall be Class B concrete and thrust blocker shall be Class A concrete and shall be placed per Section 03300.

H. Painting

All public fire hydrants shall be painted with one prime coat and two finish coats of yellow paint at the place of manufacture. Final painting shall be in accordance with Section 09900. The color shall be per VWD Approved Material List, latest edition.

I. Testing

Test hydrants at the same time that the connecting pipeline is pressure tested. See Section 15042 for pressure testing requirements.

END OF SECTION
120
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15150-1

STANDARD SPECIFICATIONS

SECTION 15150

METERS

PART 1 - GENERAL

A. Description

This section describes the materials and installation of meter assemblies.

B. Related Work Specified Elsewhere

All related work specified elsewhere, or in other codes or standards, will be as last revised, unless a specific date of issuance is called out in opposition to later revision date(s).

Other sections of the technical specifications, not referenced below, shall also apply to the extent required for proper performance of this work.

1. Structure Excavation: 02200

2. Concrete: 03300

3. Precast Concrete Vaults: 03462

4. Painting and Coating: 09900

5. Ductile-Iron Pipe and Fittings: 15056

6. Copper, Brass, and Bronze Pipe, Fittings, and Appurtenances: 15057

7. Manual Valves: 15100

C. Approved Manufacturers

1. Per VWD Approved Materials List, latest edition.

D. Residential and Irrigation Meters 2” and Smaller

1. The developer/contractor is responsible for furnishing and installing meters and meter boxes.

2. The developer shall expose and set to grade all angle meter stops prior to installing meters.

3. The developer is responsible for the purchase and installation of the meter box, angle meter stop, meter, and customer service valve. If a pressure regulator is required on the District side of the meter, the angle meter stop, regulator, meter and customer service valve shall be placed in a single meter box, per Standard Drawing W-8, or as approved by the District representative.

121
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15150-2

4. For all 3/ 4” through 1” water meter installations with pressures greater than 150 psi, a pressure regulating valve shall be installed to protect the District meter. 1" high pressure water services will require a #6B meter box. For 1½” and larger water meter installations with pressures less than 200 psi, use Invensys Omni T² meters. For 1½” and larger water meter installations with pressures greater than 200 psi, a pressure regulating valve shall be installed to protect the District meter.

5. Prior to occupancy, the District will, upon finding the installation to be acceptable, record all meter account information provided by the developer and padlock the curb stop in the off position until all District conditions of approval for the project are met.

PART 2
- MATERIALS

A. General

1. All meters shall be new and of current manufacture design.

2. All parts of the meters of the same size and model shall be interchangeable.

3. The serial number of each meter shall be imprinted on the register box cover, and the main case.

B. Registers

1. The registers on all meters shall have straight reading dials with full sweep test circles.

2. All registers are to be calibrated to read in cubic feet x 100.

C. Remote Reading Device

1. All meters in boxes or vaults shall be equipped with touch-read registers per the VWD Approved Material List, latest edition. Meters placed outside, above ground are not required to be equipped with touch-read registers unless specified.

D. Meters

1. Displacement meters shall conform to the requirements of AWWA C700, latest revision.

2. Turbine meters shall conform to the requirements of AWWA C701 Class II, latest revision.

3. Compound meters shall conform to the requirements of AWWA C702, latest revision.

4. Propeller meters shall conform to the requirements of AWWA C704, latest revision.

E. Precast Vaults and Boxes

Precast meter vaults and boxes shall conform to Section 03462 and the VWD Approved Material List, latest edition.

F. Copper, Brass, and Bronze Pipe, Fittings, and Appurtenances

122
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15150-3
All service connection and by-pass piping shall conform to Section 15057 and the VWD Approved Material List, latest edition.

G. Ductile-Iron Pipe and Fittings

All piping for meter assemblies 3-inch and larger shall conform to Section 1 5056 and the VWD Approved Material List, latest edition.

H. Manual Valves

1. All valves shall conform to Section 15100 and the VWD Approved Material List, latest edition.

2. All valves on by-pass lines shall be lockable in the closed position. On 3-inch and larger by-pass lines, resilient seat gate valves with hand wheels and a chain and lock are permitted.

PART 3 - EXECUTION

A. Meter Installations

1. All residential and irrigation meters shall be installed by the contractor per VWD standard drawings W-6, W-7, or W-8, as applicable.

2. All 3-inch and larger meter installations shall conform with VWD standard drawings W-9 or W-11.

B. Excavation and Backfill

Excavation and backfill for the meter installation shall be in accordance with Section 02200.

C. Service Piping

1. All piping for service lines and by-pass lines up to 2-inch shall be installed in conformance with Section 15057 and the applicable standard drawing.

2. The piping for all service installations 3-inch and larger shall be in accordance with Section 15056 and the applicable standard drawing.

D. Test Tap

On services 6 inches and larger, a 2-inch service saddle or welded coupling and corporation stop shall be installed on the spool downstream of the meter, per VWD standard drawing W-11. The tap shall be located a minimum of three (3) pipe diameters downstream of the meter. On propeller meter installations, the location of the test tap will be determined by the District representative.

E. Meter Vaults and Boxes

All precast concrete meter vaults and boxes shall be installed in accordance with Section 03462 and the VWD standard drawings W-6, W-7, W-8, W-9, or W-12, as applicable.

F. Concrete Work
123
Approved by Board of Directors VALLECITOS WATER DISTRICT

VWD JULY 2015 15150-4

All thrust blocks, foundations, and supports shall be of the sizes shown in the applicable standard drawings and conform to Section 03300.

G. Valves

All valves installed shall conform to Section 15100 and the VWD Approved Material List, latest edition.

H. Painting and Coating

1. All exposed and buried piping shall be painted or coated in accordance with Section 09900.

Manufacturer and color per the VWD Approved Material List, latest edition

2. The meter reading lids on all recycled water services shall be painted in accordance with Section 09900.

END OF SECTION
124