Attachment_2_Water_Sewer_specs.pdf

US FOREST SERVICE DOMESTIC WATER SYSTEM

January 21, 2016 Zephyr Cove Corral and Bike Path Construction 02850-1

DOMESTIC WATER SYSTEM SECTION 02850

PART 1 - GENERAL

1.01 Scope

A. The work included under this section consists of furnishing all material, supplies, equipment, tools, transportation, and facilities, and performing all labor and services necessary for required connection with or incidental to furnishing and installing a complete domestic water system as described in this section of the specifications, and as shown on the Drawings.

B. Related Sections from the Standard Specifications for Construction of Roads an Bridges on

Federal Highway Project – FP-03:

1. Section 204 Excavation and Embankment

2. Section 209 Structure Excavation and Backfill

3. Section 601 Minor Concrete Structures

4. Section 611 Water Systems

5. Section 612 Sanitary Sewer Systems

PART 2 - PRODUCTS

2.01 Poly Vinyl Chloride (PVC) Water Pipe

Four, six, and eight inch diameter PVC water pipe shall conform to AWWA C900. All PVC water pipe shall be Class 200 (as specified on the plans) with a maximum working pressure of 200 pounds per square inch (psi). PVC pipe shall be AWWA C900 Twin Seal Class 200 with integrated bell elastomeric seal or approved equal. Gaskets shall conform to ASTM F477 and gasketed joint assembly shall conform to ASTM D3139. Where class is not indicated on the plans, the pipe shall be Class 200. The pipe shall have the same outside diameter (O.D.) as that of cast iron pipe (C.I.P.O.D.) in the sizes furnished. Two inch and smaller PVC pipe shall be Schedule 40 with solvent welding joints.

2.02 Ductile-Iron Water Pipe

All ductile iron pipes shall be designed in accordance with the above-mentioned ANSI A21.50 and shall be manufactured in accordance with ANSI A21.51. Ductile iron pipe shall be Class 350, unless otherwise specified or called out on the Drawings. Flanged ductile-iron pipe shall have a thickness in accordance with the standards of the manufacturer but not less than that specified by ANSI/AWWA A21.15/C115. Fittings shall conform to the requirements of ANSI A21.10 and shall be of a pressure classification at least equal to that of the pipe with which they are used. Joints for push-on and mechanical-joint pipe shall conform to ANSI A21.11.

2.03 Polyethylene Service Pipe and Tubing

Polyethylene pipe and tubing shall be in accordance to AWWA C901 and correspond to copper tubing size. Polyethylene (PE) service pipe shall be Wesflex Gold Label PE 3408 or approved equal.

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2.04 Gate Valves

Gate valves shall be Mueller A-2360 Resilient Seat Non-rising stem or approved equal. All gate valves shall be iron-body, bronze-mounted, resilient wedge type gate valves with a maximum working pressure of 200 psi.

2.05 Service Saddles

Service saddles shall be constructed of red brass, have AWWA iron pipe thread outlet taps, comply with AWWA C-800, “Threads for Underground Service Line Fittings,” and have suitable means for attachment and sealing to a water main. The body shall be made to conform to outside configuration of the main. The service saddle shall be designed to provide a drip-tight connection when used as a service connection to the main. Saddles for ductile iron pipe shall be double strap. Straps for PVC pipe may also be stainless and shall provide full support around the circumference of the pipe and have a bearing area of sufficient width so that the pipe will not be distorted when the saddle is tightened.

2.06 Corporation Stops

Corporation stops shall be constructed of red brass, have AWWA iron pipe inlet threads, and shall comply with the requirements of AWWA C-800, “Threads for Underground Service Line Fittings.” Outlets for 3/4" and 1" corporation stops shall have “stab type” connectors for joining to CTS polyethylene tubing. Male iron pipe threads shall be provided on the outlet side of 1-1/2" and 2" corporation stops.

2.07 Service Fittings

Fittings including PE tubing, couplings, bends, unions, and adapters shall be constructed of brass and shall be designed to joint to CTS polyethylene tubing using a “stab type” connection (Mueller or approved equal) in 3/4" and 1" sizes and compression type connections in 1-1/2" and 2" sizes.

Fittings shall also have male or female iron pipe-size-threaded ends and/or meter coupling nut or meter flange as required.

2.08 Valve Boxes

Valve Boxes shall be provided for all valves and shall be Christy FL30BOX20 Fibrelyte Utility Boxes, of the dimensions 13” x 24” x 20”, with concrete lid, or equal. Boxes shall be furnished with extension sleeves as needed. Lid shall be marked WATER.

2.09 Warning Tape

Contractor shall provide underground-type plastic line marking tape. Tape shall be manufacturer's standard permanent, bright-colored continuous printed plastic tape intended for direct-burial service. Tape shall be not less than six inches wide by four mils thick and be printed with the words "Caution Waterline Buried Below." It shall be installed within 6 inches above the pipe.

2.10 Combination Air Valves

Combination air valves shall be Valmatic 201C combination air valve or approved equal. The maximum working pressure shall be 200 psi. Riser shall be enameled blue, conforming to the

January 21, 2016 Zephyr Cove Corral and Bike Path Construction 02850-3 requirements of Section 708, "Paints," of the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects.

2.11 Fittings

All fittings to be used with PVC pipe shall be ductile iron or gray iron fittings. The working pressure rating of fittings shall be 200 psi. All bolts used on fittings, couplings, and restraints shall be type 304 or 316 stainless steel.

2.12 Couplings

Couplings shall be Romac Style 501 couplings or approved equal. All sleeve type couplings and accessories shall be of a pressure rating at least equal to that of the pipeline. All couplings shall be provided with gaskets suitable for potable water.

2.13 Restrained Joints

Restrained joints shall be EBBA series 1600 for PVC pipes or approved equal.

2.14 Restrained Mechanical Fittings

Restrainer gland shall be EBBA series 2000 PV for PVC pipe or approved equal.

2.15 Utility Markers

The Contractor shall supply and install fiberglass utility markers at each water service curb valve box. The marker shall be manufactured by Carson-Nite or approved equal and will be blue in color with text which indicates water valve location.

2.16 Pressure Reducing Valves

Pressure reducing valves shall be CLA-VAL 90G-01ASY with ductile iron bodies and ANSI class 150 lb. flanges. Valves shall have stainless steel trim, indicating stem, and epoxy coating.

2.17 Pressure Relief Valves

Pressure relief valves shall be CLA-VAL 50G-01D with ductile iron bodies and ANSI class 150

lb. flanges. Valves shall have stainless steel trim, check feature, and epoxy coating.

PART 3 - EXECUTION

3.01 PVC Water Pipe Installation.

All pipes shall be inspected for flow defects or damage from transportation. When assembling, the pipe the gasket, grove, and pipe spigot must be cleaned of all foreign materials. Apply Fluid- Tite or approved equal lubricant in accordance with manufacturer’s recommendations to the gasket surface and the pipe spigot from the taper to the full insertion mark. The full insertion mark on the pipe should be flush with the end of the bell or coupling. Minimum bending radii for 8" pipe is 200', and for 6" pipe 150'.

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A. When cutting the pipe, square cuts must be made. A PVC pipe cutter should be used. A conventional saw or a power saw may be used. A bevel angle of 15º is required on the new cut for the spigot end. A beveling tool especially made for cutting PVC shall be used.

B. Laying Length. The standard laying length shall be 20 feet (plus or minus 1") in all classes.

A maximum of 15 percent may be furnished in random lengths of not less than 10' each.

3.02 Ductile-Iron Pipe Installation

All pipe and fittings shall be inspected and tested at the foundry as required by the standard specifications to which the material is manufactured. The Contractor shall furnish in duplicate to the Contracting Officer sworn certificates of such tests. Pipe and fittings shall be cleaned of all debris, dirt, etc., before being laid and shall be kept clean until accepted in the complete work.

3.03 Water Main and Sewer Separation

Refer to the water main separation detail on the Drawings.

3.04 Valve Installation

All valves shall be installed as nearly as possible in the positions indicated on the drawings consistent with the conveniences of operating the hand wheel. All valves shall be carefully erected and supported in their respective positions free from all distortion and strain or appurtenances during handling and installation. All material shall be carefully inspected for defects in workmanship and material, all debris and foreign material cleaned out of valve openings and seats, all operating mechanisms operated to check the proper functioning, and all nuts and bolts checked for tightness. Valves and other equipment which do not operate easily or are otherwise defective shall be repaired or replaced at no change in Contract Price.

A. Valves shall not be installed with stems below the horizontal. Valves shall be set plumb and supported adequately in conformity with instructions of the manufacturer.

B. A reign gasket or rubber gasket with cloth insertion of uniform thickness shall be provided between flanges of valves.

3.05 Piping Support

The Contractor shall furnish all supports necessary to hold the piping and appurtenances in a firm, substantial manner at the lines and grades indicated on the Drawings.

A. All piping and appurtenances shall be supported in such a manner as to prevent any strain being imposed on the fittings. Supports from the floors of the vaults shall be saddle stands, or approved equal. Pipe saddles shall be shaped to fit the pipe and capable of screw adjustment.

B. Pipe supports shall be placed as necessary, or as directed by Contracting Officer.

3.06 Painting

Before exposure to the weather and after thorough cleaning to remove all rust, dirt, grease and other foreign matter, the equipment and appurtenances specified herein shall be painted in the shop as specified hereinafter.

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A. Non-submerged ferrous parts, not customarily finished at the shop, shall be pickled or sandblasted in accordance with SSPC Designation SP-8 or SP-6, respectively. One prime coat shall be applied to a minimum dry film thickness of 2.0 mils within four hours of blasting or while the pickled metal is still warm. Primer shall be Tnemec’s Epoxoline Primer 66-12211, or an approved equivalent product.

B. Buried valves shall be prepared in accordance with SSPC-SP-1. Primer shall be Tnemec’s

Epoxoline Primer (3 mills dry). Manufacturer’s standard bitumen coat will be acceptable as a final coat.

C. Ferrous surfaces obviously not to be painted shall be given a shop coat of grease or other suitable protective coating.

3.07 Temporary Plugs

At all times when laying is not in progress, open ends of the pipe shall be closed by temporary water tight plugs or by other approved means. If water is in the trench when work is resumed, the plug shall not be removed until all danger of water entering the pipe has passed.

3.08 Installing Fittings

A. Fittings shall be installed in strict accordance with the recommendations of the pipe and fitting manufacturers, these specifications and AWWA C600.

B. Each pipe fitting shall be cleaned of all debris, dirt, etc., and shall be kept clean until accepted in the completed work.

3.09 Thrust Blocking

All plugs, caps, tees, and bends, unless otherwise specified, shall be provided with a reaction backing in accordance with the drawings and these specifications. Reaction backing shall be concrete. Reaction backing shall be placed between solid ground and the fitting to be anchored;

the area of bearing on the pipe and on the ground in each instance shall be that shown on the Drawings. The backing shall, unless otherwise shown or approved, be so placed that the pipe and fitting joints will be accessible for repair.

3.10 Connection to In-Service Lines

Connection between new and existing water lines shall be made as shown on the Drawings. Prior to performing the connection, the Contractor shall expose the existing water line at the proposed point of connection and identify any conflicts which may result in a connection which is different from that as indicated on the Drawings. The Contractor shall obtain Contracting Officer approval for any additional connection requirements prior to performing the connection. The Contractor shall coordinate all connections with the Contracting Officer.

3.11 Water Service Connection

The Contractor shall make all taps for service connections and install the service pipe, unless otherwise specified on the Drawings.

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A. The location of existing service connections as shown on the Drawings are approximate only.

Contractor shall locate existing service connections to be replaced.

B. Each water service pipe shall be connected to the water main through a brass corporation stop. The main shall be tapped at an angle of forty-five degrees (45o), with the vertical, and the stop must be turned so that the T-handle will be on top.

C. The service pipe shall be laid in the trench sufficiently weaving to allow not less than one (1) foot extra length in its entire length.

D. The service pipe shall extend from the new main line to the property line where it will connect to the existing service line. In all cases no less than ten feet of service line shall be installed off the main to connect with the existing service.

3.12 Valve Installation

Gate valves shall be installed as nearly as possible in the positions shown on the Drawings. All valves shall be carefully installed and supported in their respective positions free from distortion and strain.

A. All material shall be inspected for defects in workmanship and material, all debris and foreign material cleaned out of the valve openings and seats, all operating mechanisms checked for proper functioning, and all nuts and bolts checked for tightness. Valves which do not operate easily or are otherwise defective shall be replaced by the Contractor at no change in Contract Price.

B. Valves shall be set plumb and supported as shown on the Drawings. Valves shall be provided with extension stems where required for operation, and elsewhere so that the operating wrench does not exceed 6 feet in length.

3.13 Valve Boxes

Valve boxes shall be centered and set plumb over the wrench nuts of the valves. Valve boxes shall be set so that they do not transmit shock or stress to the valves. The valve box covers shall be set as shown on the Drawings. The extensions shall be cut to length so that the valve box does not ride on the extension when set at grade and the top of the extension is at least six inches below the top of the box.

3.14 Water Service Repair

Any existing water services which are damaged shall be repaired with material in kind in accordance with these specifications and the Standard Specifications. Materials used for repair shall be approved by Contracting Officer.

3.15 Installing Restrainers

Restrainers shall be installed in strict accordance with the recommendations of the restrainer manufacturer, these specifications and AWWA C600.

3.16 Locating Wire

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Install 12 gauge insulated copper wire along the entire length of the pipeline. The locating wire shall be placed adjacent to the spring line of the pipe. The locating wire shall be continuous as per detail and connected to split bolt connectors in all intersections.

3.17 Disinfection of Domestic Water System

Before the pipeline is placed in service and before certification of completion by the Contracting Officer, all new water systems, extensions to existing system, valved sections of extension, replacements in the existing system, and any exposed section of the existing system shall be disinfected in accordance with AWWA C-651. All storage of hazardous chemicals in excess of exempt amounts shall be handled as per Article 80 of the Uniform Fire Code.

3.18 Pressure and Leakage Test

Test pressure shall be developed using water; under no circumstances shall air be used for testing.

Pressure and leakage test shall be made on all pipes. All necessary equipment, materials, taps, and closure pieces in the pipe required shall be furnished and made by the Contractor.

Satisfactory tests shall be monitored and approved by the Contracting Officer. Existing services shall not be tested. Existing services shall be connected to the new main following hydrostatic testing of the main.

A. Tests shall be conducted after the trench has been partially backfilled with the joints left exposed for inspection. Where any section of pipe is provided with concrete reaction backing the pressure test shall not be conducted until at least five days have elapsed after the concrete thrust blocking was installed. If high-early cement is used for the concrete thrust blocking, the time may be reduced to two days.

B. After the trench has been partially backfilled the pipe shall be slowly filled with water and allowed to stand 24 hours. All air shall be expelled from the pipe. The test pressure shall be a minimum of 200 psi or at 50 psi in excess of the maximum static pressure when the maximum static pressure is in excess of 150 psi. The specified test pressure shall be applied and maintained by continuous pumping, if necessary, for the entire test period. The pump suction shall be in a barrel or similar device, or metered so volume may be measured accurately. The duration of each pressure test shall be a minimum of two hours unless otherwise approved by the Contracting Officer.

C. If the section fails to pass the pressure and leakage test, the Contractor shall locate, uncover and repair or replace the defective pipe, fitting, or joint, all at its own expense and without extension of time for completion of the work. Additional tests and repairs shall be made until the section passes the specified test.

PART 4 - MEASUREMENT AND PAYMENT

4.01 Method of Measurement

A. Units: The work will be performed under Pay Items 5200 and 6200, as shown below, will be measured as lump sum. A percentage of the total amount may be paid based on the partial work completed, as determined by the Contracting Officer.

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4.02 Basis of Payment

A. Payment for this item is described in Section 02850 of the Technical Specifications and shall be included in the Schedule of Items under:

Pay Item Pay Unit

61101 Waterline 2” HDPE Dr11; trenching, installation, bedding and backfills LF

61102 Backflow preventer, includes electric service and heater LS

61103 Standard water spigot with valve/box, includes 1” lateral LS from RPBP

END OF SECTION

US FOREST SERVICE SANITARY SEWER SYSTEM

January 21, 2016 Camp Richardson Day Use Restroom 02900- 9

SANITARY SEWER SYSTEM SECTION 02900

PART 1 - GENERAL

1.01 General

A. The work included under this section consists of furnishing all material, supplies, equipment, tools, transportation, and facilities, and performing all labor and services necessary for required connection with or incidental to furnishing and installing a complete sanitary sewer system as described in this section of the specifications, and as shown on the Drawings.

B. Related Sections from the Standard Specifications for Construction of Roads an Bridges on

Federal Highway Project – FP-03:

1. Section 204 Excavation and Embankment

2. Section 209 Structure Excavation and Backfill

3. Section 601 Minor Concrete Structures

4. Section 611 Water Systems

5. Section 612 Sanitary Sewer Systems

PART 2 - PRODUCTS

2.01 Poly Vinyl Chloride (PVC) Gravity Sewer Pipe

A. Pipe and fittings shall be PVC SDR 35 as defined and described in ASTM D1784 for Rigid Poly (vinyl chloride) compounds and Chlorinated Poly (vinyl chloride) compounds. PVC pipe and fittings shall be integral wall bell and spigot joints for the conveyance of sewage meeting the requirements of ASTM D3034 for SDR 35. The pipe shall be colored green for in-ground identification as sewer pipe. Pipe shall be suitable for use as a gravity sewer conduit. Each joint bell shall consist of an integral wall section with a solid cross-section rubber ring, factory assembled, securely locked in place to prevent displacement during assembly. Standard laying lengths shall be 20 feet. All fittings and accessories shall be as manufactured and furnished by the pipe supplier and have bell and spigot and/or spigot configurations compatible with that of the pipe.

B. Joints shall be elastomeric gasket material providing watertight seal. Elastomeric gasket joint assembly shall be in accordance with the pipe manufacturer's recommendations. Elastomeric compound shall comply in all respects with the physical requirements specified in ASTM D1869, C361 or C443.

2.02 PVC Pipe Less Than 4" Diameter

PVC pipe and fittings shall be bell and spigot with elastomeric gaskets. The pipe and fittings shall conform to the requirements of ASTM D3034 for SDR 35.

2.03 Castings.

Castings, whether Carbon-Steel, Gray Cast Iron or Ductile Iron shall conform to the shape and dimensions indicated and shall be clean substantial castings, free from sand or blowholes or other

January 21, 2016 Camp Richardson Day Use Restroom 02900- 10 defects. Surfaces of the castings shall be free from burnt on sand and shall be reasonably smooth.

Runners, risers, fins and other cast on pieces shall be removed from the castings and such areas ground smooth. Bearing surfaces between manhole rings and covers or grates and frames shall be cast or machined with such precision that uniform bearing shall be provided throughout the perimeter area of contact. Pairs of machined castings shall be matchmarked to facilitate subsequent identification at installation.

A. Steel casting shall conform to ASTM A 27, "Mild to Medium Strength Carbon Steel Castings for General Application." Grade 70-36 shall be furnished unless otherwise specified.

B. Cast iron castings shall conform to ASTM A 48, "Gray Iron Castings," Class 30.

C. Ductile Iron casting shall conform to ASTM A 536, "Ductile Iron Castings." Grade 60-40-18 shall be used unless otherwise indicated.

2.04 Grade Cleanouts

Provide brass cleanout plug with countersunk head with the letters "SSCO" cast into the cover bedded in 18 inch concrete pad at the finish grade per drawing detail.

2.05 Warning Tape

Contractor shall provide underground-type plastic line marking tape. Tape shall be manufacturer's standard permanent, bright-colored continuous printed plastic tape intended for direct-burial service. Tape shall be not less than six inches wide by four mils thick and be printed with the words cautioning that a sanitary sewer line is buried below. It shall be installed within 6 inches above the pipe.

2.06 Concrete

All concrete shall conform to Section 03300 of these specifications.

PART 3 - EXECUTION

3.01 Handling Pipe and Fittings

A. The Contractor shall furnish such equipment as is necessary to place the pipe without damaging the pipe. The pipe shall be transported and handled in such a manner as to prevent bruising, scaling, or breaking.

B. Any fitting showing a crack and any fitting or pipe which has received a severe blow that may have caused an incipient fracture, even though no such fracture can be seen, shall be marked and rejected and removed from the work site.

3.02 Installing Pipe and Fittings

A. Plastic pipe shall be installed in accordance with the pipe manufacturer's recommendations and these specifications. Pipe shall be laid true to line and grade, with uniform bearing under the full length of the barrel of the pipe. Suitable excavation shall be made to receive the socket or collar, which shall not bear upon the sub-grade or bedding. Any pipe which is not in true alignment or shows any undue settlement after laying shall be taken up and re-laid at

January 21, 2016 Camp Richardson Day Use Restroom 02900- 11 no change in Contract Price. The installed sewer line shall be evenly and consistently sloped at 1 inch per foot (except where connection elevations restrict the slope to less for which the slope may be reduced to a minimum of ¼ inch per foot). A South Tahoe Public Utility District inspector shall inspect and approve the new section of sewer lateral prior to backfilling.

B. The pipe interior shall be kept clear of foreign material during installation. Before joining the pipe, the Contractor shall clean and dry all the mating surfaces. Lubricants, primers and adhesives shall be used as recommended by the pipe manufacturer.

C. The new sewer line shall be connected to the existing lateral with the appropriate Fernco coupling or equal. A South Tahoe Public Utility District inspector shall inspect the torque applied to the metal clamps and approve the connection prior to backfilling.

3.03 Installing Grade Cleanout

The Grade Cleanout shall be installed immediately upstream of the Point of Connection of the new building waste line to the existing sewer lateral and to provide access to the elbows needed at this location (90 degree elbows are not permitted). The Grade Cleanout must be inspected and approved by a South Tahoe Public Utility District inspector prior to backfilling.

3.04 Sewer Lateral Air Test

An air test from the end of the new section of sewer lateral to the cleanout closest to the connection with the existing sewerline. All necessary equipment, materials, taps, and closure pieces (inflatable plugs) in the pipe required shall be furnished and made by the Contractor.

Satisfactory tests shall be monitored and approved by the Contracting Officer.

A. The remaining existing lateral section will be pressurized to 3.5 psi, and is allowed a maximum loss of 0.5 psi in 5 minutes. The pressure gauge shall read in 1 psi increments and be clearly readable in the 3.0 to 4.0 psi range.

B. If the section fails to pass the air test, the Contractor shall locate, uncover and repair or replace the defective pipe, fitting, or joint, all at its own expense and without extension of time for completion of the work. Additional tests and repairs shall be made until the section passes the specified test.

PART 4 - MEASUREMENT AND PAYMENT

4.01 Method of Measurement

A. Units: The work will be performed under Pay Items 5200 and 6200, as shown below, will be measured as lump sum. A percentage of the total amount may be paid based on the partial work completed, as determined by the Contracting Officer.

4.02 Basis of Payment

A. Payment for this item is described in Section 02900 of the Technical Specifications and shall be included in the Schedule of Items under:

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Pay Item Pay Unit

61201 Sewer line4” SDR-26, includes trenching, backfill and cleanouts LF

61202 2-RV sewer service connections, includes lateral from building LS service

END OF SECTION

US FOREST SERVICE PLUMBING FIXTURES

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