PART 3 100 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
Excavation
After clearing, grubbing and stripping, on-site materials may be excavated with conventional earthwork equipment. Finished excavation may be sloped at 2H:1V (horizontal to vertical) or flatter.
MEASUREMENT AND PAYMENT
The contract unit price paid per cubic yard for EARTHWORK shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, for doing all work involved in excavating and placing earth embankment material in conformance within the lines and grades shown on the Improvement Plans, for furnishing and mixing approved soil conditions, if required, to achieve compaction, for the compaction of the material or for subgrade preparation for the shaping and trimming slopes to solid material and to the lines and elevations shown on the Improvement Plans. No additional compensation shall be allowed for removing unsuitable material from the Project site. Surplus suitable and unsuitable material may be spread uniformly in the vicinity of the Project improvements and in areas not to receive embankment or as directed by the Engineer. Do not spread excess material within drainage channels or areas subject to erosion. 4-2.03 CLASS 2 AGGREGATE BASE
MATERIALS AND EXECUTION
Aggregates shall conform to Section 26 of the 2018 State of California Standard Specifications, Class 2, for ¾” maximum size gradation.
Subgrade areas to receive Class 2 Aggregate Base shall be compacted to not less than 90% relative compaction and prepared as specified in Section 14-2.02 “Earthworks” of these Special Provisions.
Place aggregate base in accordance with requirements of Section 26 of the State of California Standard Specifications and to the thickness shown on the Contract Plans. Grade and compact in maximum 4" thick layers to at least 90% of maximum density ASTM D1557.
Maintain surfacing by providing drainage, rolling, shaping, and water as necessary to maintain the surface in proper condition. Maintain sufficient moisture at the surface to prevent a dusty condition by light sprinkling with water.
Except as modified herein, the surface tolerance of aggregate base material shall comply with Section 26 of the State of California Standard Specifications. The finish surface of the aggregate surfacing when tested for uniformity of slope, shall not deviate in any point more than 3/8" from bottom of a 10 ft. straight edge laid in any direction. Maintain the surface shape, elevation and smoothness until construction of improvements is complete by blading and adding material, if required.
MEASUREMENT AND PAYMENT
CLASS 2 AGGREGATE BASE shall be paid per ton of material furnished and placed as shown on the Improvement Plans shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals and for doing all work in furnishing, installing and compacting the Class 2 Aggregate Base material specified in these Specifications, as directed by the Engineer and no additional compensation shall be allowed therefor.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 101 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
14-2.04 WEED BARRIER FABRIC
MATERIALS AND EXECUTION
Furnish and install, as shown on the Improvement Plans, heavy-duty, non-woven hydrophilic treated polypropylene fabric placed over level compacted Class 2 Aggregate Base trail sections.
Furnish weed barrier fabric in not less than 4 foot wide by 50 foot long rolls. Overlap fabric not less than 6 inches at joints with adjoining fabric. The three-ply fabric shall have minimum 18 mil thickness. Weed barrier fabric shall be black in color, UV stabilized and provide superior light blocking capability while permitting passage of air and water. Weed barrier fabric shall be secured to the aggregate base material with ground staples furnished by the weed fabric manufacturer.
Install all staples at intervals and in accordance with manufacturer’s recommendations.
Weed barrier fabric shall be Dewitt 12YR-450 12 year Weed Barrier Landscape Fabric or approved equal.
MEASUREMENT AND PAYMENT
The contract price paid per square foot of WEED BARRIER FABRIC shall include furnishing all labor, materials, tools and equipment required to furnish and install the weed barrier fabric in accordance with the Improvement Plans, as directed by the Engineer and in accordance with these Specifications.
Full compensation for all incidentals required to install and secure the weed barrier in place shall be considered in the price paid per square foot measured and no additional compensation shall be allowed therefor.
14-2.05 STABILIZED DECOMPOSED GRANITE
MATERIALS AND EXECUTION
The decomposed granite material shall be derived from the crushing and screening of natural friable granite.
The gradation of the decomposed granite material shall be as determined by ASTM C 136 methodology and conform to the following:
Sieve Size Percent Passing
½” 100
3/8” 90-100
No. 4 50-100
No. 30 25-55
No. 100 10-20
No. 200 5-18
Sand equivalent shall be a minimum of 30 and the R-Value shall be a minimum of 70.
Material shall be sound, angular, durable stone particles, free from clay lumps, organic material, or other deleterious substances.
The decomposed granite material shall be stabilized with an organic binder and shall have a minimum swell volume of 32 ml/gm. The binder shall be incorporated with the granite fines by the use of a pug mill that includes a weight belt feeder that insures the proper ratio of binder to granite Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 102 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
fines. Blending with the use of a bucket loader or similar is not acceptable. The binder shall be blended at the rate of 12 lbs. per ton of granite fines.
The color of the stabilized decomposed granite material shall be gold to yellow.
Prior to installation, the Contractor shall submit to the Engineer a 3 pound sample of the stabilized decomposed granite material to be furnished together with manufacturer’s / supplier’s literature, test and gradation documents verifying compliance with these Special Provisions.
Excavate trail limit to the depth required so that the finished edges of decomposed granite surfacing will match adjacent grades and have a maximum cross slope of 2 percent.
Prepare the subgrade by scarifying in place materials to a minimum depth of 6 inches.
After the material has been thoroughly mixed, the subgrade shall be brought to line and grade and compacted to not less than 90% relative compaction.
Proof-roll the subgrade with heavy pneumatic-tired equipment to locate unstable areas and to identify soft pockets and areas of excess yielding. Do not proof-roll wet or saturated subgrades.
Excavate soft spots, unsatisfactory soils and areas of excessive pumping or rutting. Replace with compacted backfill or fill as directed by the Engineer.
The surface of the completed subgrade shall be bladed to a smooth and uniform texture.
The finished subgrade shall be uniform and free form deleterious debris such as organic materials, nails, stones and loose soil.
Install steel edging flush with the top of the proposed decomposed granite surfacing. Provide edging stakes per manufacturer’s recommendations to secure edging in place during and after decomposed granite surfacing material installation.
Install aggregate subbase to compacted depth of 4 inches minimum. Compact to minimum of 90% relative compaction.
Compact each section of the subgrade, aggregate subbase and final finish decomposed granite surfacing materials with a one to three-ton roller or compactor. In all areas that are difficult to access with compaction equipment, hand tamping may be performed with multiple passes to achieve the required density.
Install and secure weed barrier fabric over the aggregate subbase material as specified in Section 14-2.04 “Weed Barrier Fabric” of these Specifications.
Thoroughly water entire area so that the entire depth of material is moist. After a period of +/-6 hours compact the finale lift with a 1000-3000 lb static drum roller. Allow for sufficient curing period of +/-4 days prior to use.
Final decomposed granite surface shall produce a surface smoothness within ¼ inch tolerance when measured with a 10 foot straight-edge. Finished surface shall provide a cross slope of 1% to 2%.
Thoroughly clean all areas where the work has occurred. Remove from site excess material, debris and rubbish.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 103 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
Take all precautions necessary to protect completed work until Substantial Completion of Project has been issued by the Engineer.
MEASUREMENT AND PAYMENT
The contract price paid per ton of STABILIZED DECOMPOSED GRANITE shall include furnishing all labor, materials, tools and equipment required to furnish and install the stabilized decomposed granite trail material in accordance with the Improvement Plans, as directed by the Engineer and in accordance with these Specifications and no additional compensation shall be allowed therefor. 14-2.06 METAL TRAIL EDGING
MATERIALS AND EXECUTION
Furnish and install 8 inch deep by 10 foot long, minimum 14 gauge, Cor-Ten Weathered Steel metal trail edging together with metal steel anchors specifically supplied by the metal edging manufacturer. Anchors shall be installed, per manufacturer’s recommendations, at each metal edge connection and at not more than 5 foot intervals. The top of edging shall be set flush and level to ¼ inch above top of decomposed granite surface. Contractor is directed to Section 14-2.05 “Stabilized Decomposed Granite” for additional construction requirements regarding construction of the trail subbase metal edging, Class 2 Aggregate Base and stabilized decomposed granite materials.
The Contractor shall submit to the City Engineer, for review and approval, shop drawings for the metal trail edging and metal edging anchors showing dimensions, gauge, connection details and manufacturer’s recommended installation instructions prior to installation of the metal trail edging material.
MEASUREMENT AND PAYMENT
The contract price paid per lineal foot of METAL TRAIL EDGING shall include furnishing all labor, materials, tools and equipment required to furnish and install metal edging in accordance with the Improvement Plans, these Specifications and as directed by the Engineer. Full compensation for all incidentals required to install the metal trail edging including the metal edge steel anchors shall be included in the price paid per lineal foot of metal trail edging and no additional compensation shall be allowed therefor.
14-2.07 PRESSURE TREATED DOUGLAS FIR LUMBER
MATERIALS AND EXECUTION
Furnishing and placement of pressure treated lumber components of this Project shall conform to the Improvement Plans and these Special Provisions.
The Contractor shall submit product data for the pressure treated lumber including:
Manufacturers / suppliers requirements for storage, cutting and finishing Pressure Treatment Certification.
Shop Drawings for connection details, fastening, connections and dimensions.
Contractor shall furnish and supply pressure treated lumber from a single approved source. Each piece of lumber furnished shall be marked to confirm compliance with specified standard.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 104 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
Furnish kiln dry material to 19 percent maximum moisture control in accordance with AWPATI, Section 7- Drying after treatment.
Pressure treated lumber shall meet the requirements of APWA standard use category UC3B and shall be suitable for decking, joints and beams.
Each piece of lumber must bear grade mark, stamp, or other identifying marks indicating grades of material and rules or standards under which it is produced. Identifying marks are to be in accordance with rule or standard under which material is produced, including requirements for qualifications and authority of the inspection organization, usage or authorized identification and information included in the identification.
Structural joists both exposed and concealed shall be Douglas Fir, Grade 1 or better.
Puncheon and bridge decking shall be Douglas Fir, Grade 1, or better.
Hardware and Adhesives
1. Screws:
a) Wood to Wood: ASME B18.6.1 or ASTM C1002.
b) Wood to Steel: ASTM C954, or ASTM C1002.
2. Joist Hangers:
a) Fabricated of 0.063 inch minimum thick sheet, U design unless shown otherwise. b) Heavy duty hangers fabricated or minimum 0.108 inch thick sheet, U design with bent top flange to lap over beam.
3. Timber Connectors: Fabricated of steel to shapes indicated on Project Plans.
4. Joist Ties: Mild steel flats, 3/16 inch by 1¼ inch size with ends bent about 30 degrees from horizontal, and extending at least 16 inches onto framing. Punch each end for three (3) spikes.
Prior to installation of pressure treated lumber, inspect conditions to ensure surfaces are suitable for installation of decking and joist material and that adequate structural support has been provided.
Install in accordance with Improvement Plans including the following:
1. Install materials plumb, true to line, cut and fitted.
2. Scribe and cope as required for accurate fit to adjacent construction.
3. Use fasteners per the Improvement Plans.
4. Fasten tight to supports. Provide shims if there are variations in framing.
Protect decking and joists from damage during construction operations. Promptly repair any damaged surfaces. Remove and replace work which cannot be repaired to the satisfaction of the City.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 105 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
MEASUREMENT AND PAYMENT
The contract price paid per board foot of 6 inch wide by 2 inch thick (nominal) PRESSURE TREATED DOUGLAS FIR decking shall include furnishing all labor, materials, tools and equipment required to furnish and install wood decking in accordance with the Improvement Plans, these Specifications and as directed by the Engineer. Full compensation for all incidentals, fasteners and connections required to install the wood decking shall be considered in the price paid per board foot of wood decking and no additional compensation shall be allowed therefor.
The contract unit price paid per board foot of 4 inch by 4 inch (nominal) Pressure Treated Douglas Fir Joists shall include furnishing all labor, materials, tools and equipment required to furnish and install wood joists in accordance with the Improvement Plans, these Specifications and as directed by the Engineer. Full compensation for all incidentals, fasteners, joist hangers and connections required to install the wood joists shall be considered in the price paid per board foot of wood joists and no additional compensation shall be allowed therefor. 14-2.08 PRECAST CONCRETE PIER BLOCKS
MATERIALS AND EXECUTION
Materials and execution for furnishing and placement of Precast Concrete Pier Blocks shall conform to Section 51.4, “Precast Concrete Members” and Section 90-2, “Minor Concrete” of the 2018 State Standard Specifications.
The concrete mix used in constructing the precast concrete pier blocks shall be capable of attaining a minimum 28-day compressive strength of 3000 psi.
Aggregates used in the concrete mix either coarse or fine, excluding light-weight aggregates shall conform to specifications as outlined by ASTM C-33-86.
All light-weight aggregates, fine or coarse, shall conform to specification as outlined by ASTM C330-85T.
Both types of aggregates shall be properly graded and free of any deleterious substances so as to produce a homogeneous concrete mix when blended with cement.
MEASUREMENT AND PAYMENT
The Contract unit price paid per each PRECAST CONCRETE PIER BLOCK shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, for doing all the work involved in preparing and compacting the subgrade material where each pier block will be placed and securing each pier block to the pressure treated Douglas Fir wood joists as shown on the Improvement Plans, as specified in these Specifications and as directed by the City Engineer and no additional compensation shall be allowed therefor. 14-2.09 CAST IN PLACE CONCRETE BRIDGE FOOTINGS
MATERIALS AND EXECUTION
Materials
A. Concrete Materials
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 106 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
Except as noted below, all products and materials used in proportioning, mixing, transport, placement, consolidation, curing, and repair of cast in place concrete items shall conform with ACI 301, Specifications for Structural Concrete in Buildings, and the Improvement Plans.
1. Aggregate per ACI 301
2. Cementitious materials per ACI 301
a. Cement shall be Portland Cement.
b. Fly ash shall be provided at 15% minimum, 25% maximum of cementitious materials.
3. Admixtures
a. Provide as necessary to meet design and workability requirements b. Mixes for hydraulic structures require shrinkage-reducing admixture, such as Eclipse by W.R. Grace are permitted.
4. The minimum 28-day strength and type of concrete shall be 3000 psi.
B. Reinforcing Steel
1. Bar reinforcement shall conform to the requirements of A 706 for Grade 60 billet Steel Reinforcement.
a. Accessories shall include all necessary chairs, slab bolsters, concrete blocks, tie wires, dips, supports, spacers and other devices to position reinforcement during concrete placement. All bar supports shall meet the requirements of the CRSI Manual of Standard Practice including special requirements for supporting epoxy coated reinforcing bars.
C. Water shall be potable, and have the following limitations:
1. Chlorides (as Cl) no more than 250 mg/L per EPA method 300.
2. Sulfates (as S04) no more than 250 mg/L per EPA method 300.
3. Total dissolved solids no more than 500 mg/L per EPA method 160.
4. Water quality shall be analyzed by EPA methods. Test results shall be provided to the Engineer of Record for the first batch of concrete, and every 500 cubic yards of fresh concrete thereafter.
D. Curing compounds per ACI 301.
Execution
A. Precast construction shall not be commenced until concrete mix design submittals have been approved by the City.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 107 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
B. Details of the concrete reinforcement steel shall be submitted by the Contractor at the earliest possible date. Details of reinforcement steel for fabrication and erection shall conform to ACI 315. The shop bending diagrams shall show the actual lengths of bars, to the nearest inch measured to the intersection of the extensions (tangents for bars of circular cross section) of the outside surface. The shop drawings shall include bar placement diagrams that clearly indicate the dimensions of each bar splice.
C. Reinforcing, embedded items, sleeves, and inserts shall be set and secured prior to fresh concrete placement. Interconnect anchor bolt groups with steel templates.
D. Formwork temperature is verified per ACI 301.
E. Subgrade to be cast against conforms to ACI 301.
F. Reinforcement steel shall be accurately positioned and shall be supported and wired together to prevent displacement, using annealed iron wire ties or suitable clips at intersections. All reinforcement steel shall be supported by concrete, plastic or metal supports, spacers or metal hangers that are strong and rigid enough to prevent any displacement of the reinforcement steel. Where concrete is placed on the ground, supporting concrete blocks (or dobies) shall be used, in sufficient numbers to support the bars without settlement, but in no case shall such support be continuous. All concrete blocks used to support reinforcement steel shall be tied to the steel with wire ties that are embedded in the blocks. For concrete over formwork, the Contractor shall furnish concrete, metal, plastic or other acceptable bar chairs and spacers.
G. Placement of fresh concrete in forms shall conform to ACI 301.
H. Placement of fresh concrete on soil shall conform to ACI 301.
I. Placement of fresh concrete shall be limited to weather constraints per ACI 301.
J. Depositing fresh concrete per ACI 301 with the following requirements:
1. For hot weather conditions, maximum time from batching to discharge shall not exceed 45 minutes.
2. For normal weather conditions, maximum time from batching to discharge shall not exceed 60 minutes.
3. Time between lift placement shall not exceed 30 minutes for hot weather placement; 60 minutes otherwise.
K. Consolidate fresh concrete per ACI 301.
L. Finishing formed surfaces
1. Exposed edges shall have 5/8-inch chamfers.
M. Broom finish shall be applied to Precast Concrete Bridge Footings.
N. Protect bridge footings per ACI 301.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 108 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
MEASUREMENT AND PAYMENT
The contract price paid per cubic yard for CAST IN PLACE BRIDGE FOOTINGS shall include full compensation for furnishing all labor, materials, tools and equipment and incidentals and for doing all work involved in grading , preparing and compacting subgrade material where bridge footings will be placed, furnishing and constructing formwork, furnishing and installing reinforcing steel, pouring, finishing and curing precast concrete footings ready for the placement of the modular bridge improvements as shown on the Improvement Plans, as specified in these Specifications and as directed by the City Engineer and no additional compensation shall be allowed therefor. 14-2.10 MODULAR STEEL BRIDGE
MATERIALS AND EXECUTION
(TO BE ADDED)
14-2.11 PROJECT AREA SIGNS
MATERIALS AND EXECUTION
Work shall conform to Section 82, “Signs and Markers,” of the 2018 State Standard Specifications, details in the State Standard Plans, and California MUTCD except as noted herein.
A. Sign Blanks – All signs shall be 0.080 gauge, except for ground mounted street name signs which shall be 0.125-gauge, non-recycled aluminum.
B. Mounting Hardware – All brackets, banding, buckles, nuts, washers and bolts must be stainless steel unless otherwise noted herein. (When fastening signs to brackets, use plastic or fiber washers in between the flat washer and sign face to prevent damage to sign sheeting). Damaged sheeting due to improper installation is not acceptable and will be rejected.
C. Sign Poles and bases – A break-away system using Western Highway Ulti-Mate, 12 gauge, 1-3/4” x 1-3/4” shall be used.
D. Sign Reflectivity – All signs must comply with the following standard.
1. The sign face shall have white 3M diamond grade (or equal) reflective sheeting (ASTM Type III, IV, X) applied as a background.
2. Lettering/graphics shall be one of the following:
a. 3M Scotchlite Electrocut (letter cutting) transparent cuttable film (1170 series) inverse cut to allow white reflective background to show through lettering.
b. Screen printed using 3M 8801 series color translucent ink. c. Both processes (a or b) will accomplish a color field with white copy. d. The sign shall include a 3M series 1160 graffiti guard.
E. Sign Color – All new warning signs in school areas shall be fluorescent yellow green.
F. Arm pole signs shall be mounted with skybracket or equal.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 109 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
INSTALLATION
Sign Height - Project signs shall be mounted a minimum of 7’-0” above existing grade from the bottom of the sign. Height of the bottom of the sign maybe adjusted higher to compensate for trail approach grade. Please refer to California MUTCD for any variation.
MEASUREMENT AND PAYMENT
The contract price paid for each PROJECT AREA SIGN SHALL include full compensation for removing existing sign and post, for furnishing all labor, materials, tools, equipment, and incidentals, for doing all the work involved in providing, relocating, and installing signs and posts, as shown on the Improvement Plans, as specified in these Specifications and as directed by the Engineer and no additional compensation shall be allowed, therefor.
14-2.12 REMOVABLE BOLLARDS
MATERIALS AND EXECUTION
The Contractor shall furnish and install, at each approach to the Zimpher Creek Bridge Crossing, removable bollards. Removable bollard material and construction shall conform to the details shown on the Improvement Plans and shall include concrete footings, 3 inch diameter galvanized steel sleeves embedded in concrete footings and 2 ½ inch diameter galvanized steel bollards secured to the 3 inch diameter galvanized steel sleeve with pin and padlock approved by the City Engineer. Unless otherwise directed by the Engineer, removable bollards shall be painted with 2 coats of white paint. The finished height of the removable bollards shall be 36 inches as shown in the Improvement Plans.
MEASUREMENT AND PAYMENT
The unit price paid for each REMOVABLE BOLLARD shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, for doing all the work involved in excavating the bollard footings, furnishing and installing concrete, furnishing, installing and painting the galvanized steel sleeve and bollard and furnishing and installing the removable bollard hardware and appurtenances as shown on the Improvement Plans, as specified in these Specifications and as directed by the Engineer and no additional compensation shall be allowed, therefor. 14-2.13 HDPE CULVERTS
MATERIALS AND EXECUTION
Materials and execution of HDPE Culverts shall conform to Section 64, “Plastic Pipe”, Section 70, “Miscellaneous Drainage Facilities” and Section 71, “Existing Drainage Facilities” of the 2018 State Standard Specifications and Section 6, “Storm Drain Standard Details” of the City of Sebastopol Construction Drawings and Standard Specifications.
Double Wall High Density Polyethylene (HDPE) Storm Drain Pipe and Fittings shall be Type S and conform to the requirements of AASHTO M294 and Section 64 of the State Specifications except as noted herein. Joints shall be integral bell and spigot or bell / bell coupler with water tight gaskets conforming to ASTM F-477. Furnish and install HDPE Storm Drain Pipe with smooth wall interior and corrugated exterior construction.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 110 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
Storm drain bedding and backfill material and placement shall conform to Section 64 of the State Standard Specifications and to the City Storm Drain Construction Drawings and Standard Specifications.
No storm drain pipe shall be placed in conditions where the Engineer determines are unsuitable.
MEASUREMENT AND PAYMENT
The contract price paid for each ± 15 foot long by 12 inch diameter HDPE CULVERT shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals involved and for furnishing pipe, conducting pipe excavation, placement and compaction of pipeline bedding and backfill material, all in accordance with Standard Specifications, City Storm Drain Standards, Improvement Plans, these City Specifications and as directed by the Engineer and no additional compensation shall be allowed, therefor.
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
PART 3 111 AmeriCorps Trail and
TECHNICAL SPECIFICATIONS Zimpher Bridge Crossing
SECTION 14-3 Special Provisions
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
CITY CONTRACT NO 2022-03
APPROVED BY:
MARIO LANDEROS, CITY ENGINEER CITY OF SEBASTOPOL
LAGUNA DE SANTA ROSA
LAGUNA DE SANTA ROSA
Agenda Item Number:
4 Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
Agenda Item Number: 4
Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
COMPACTED ROCK GRAVEL TRAIL
ADDITIVE ALTERNATE ITEM
ADDITIVE ALTERNATE ITEM
Agenda Item Number: 4Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
VE SOLUTIONS
S1.0
AMERICORPS TRAIL
GENERAL NOTES
GENERAL: WOOD:
••
••
DESIGN CRITERIA:
Agenda Item Number:
4 Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
N PLAN
1 -
1 -
ABUTMENT PLAN 2
-
SECTION
2 -
VE SOLUTIONS
S2.0
AMERICORPS TRAIL
BRIDGE ABUTMENT
Agenda Item Number:
4 Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023
TYPICAL PLAN
A
-
A
-
SECTION
VE SOLUTIONS
S3.0
AMERICORPS TRAIL
PUNCHEON DECK
CLASS 2 AB
Agenda Item Number:
4 Agenda Item Number: 4
City Council Meeting Packet of April 4, 2023