SECTION 15B410 - WATER SUPPLY PART 1 - GENERAL 1.1

RELATED DOCUMENTS A.

1.2

WORK INCLUDED A.

1.3

Drawings and general provisions of the Contract, including General and Supplementary General Conditions and other Division 1 Specification Sections, apply to this Section.

Provide labor, materials, equipment and services to perform operations required for the complete installation and related work as required in the Contract Documents.

QUALITY ASSURANCE A.

Follow all requirements, recommendations and appendices to comply with the following publications, codes, standards, and listings/approvals: 1. 2. 3. 4. 5.

1.4

ANSI/AWWA C600: AWWA Standard for Installation of Ductile Iron Water Mains and their Appurtenances. NFPA 24: Standard for the Installation of Private Fire Service Mains and their Appurtenances. New York State Health Department. Local municipality and fire department requirements and standards. All items herein used to convey water for potable use shall be lead free in accordance with NSF 61, Standard 61, Section 9 - Standard for Drinking Water and Lavatory Faucets and NSF Standard 372 - Maximum Lead Requirements. Compliance shall be via third-party testing and certification.

SUBMITTALS A.

Provide submittals for all items specified under Part 2 of this Section.

PART 2 - PRODUCTS 2.1

WATER PIPING A.

2.2

Piping Materials: Refer to Specification Section 15B060 - "Piping Systems and Accessories" and Section 15B070 - "Underground Piping and Accessories".

BACKFLOW PREVENTERS AND ACCESSORIES A.

Reduced Pressure Type (Domestic Water - 2 in. and Smaller): 1. 2.

All bronze body construction, stainless steel bolts and internal parts, stainless steel check seats. Four (4) test cocks, bronze strainer and full port ball valve shutoffs.

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3. 4. B.

Reduced Pressure Type (Domestic Water - 2-1/2 in. and Larger): 1. 2. 3. 4.

C.

2. 3. 4. 5. 6. 7.

2. 3. 4. 5. 6.

Cast iron body, stainless steel bolts and internal parts, removable bronze seats, epoxy coated. Four (4) test cocks, OS&Y resilient wedge gate valves. UL/FM listed and approved. Same size as fire service. Design Equipment: Watts Series 757. Acceptable Manufacturers: Ames, Febco, Wilkins, Watts.

Double Check Detector Assembly Type (Fire Service - 3 in. and Larger): 1. 2. 3. 4. 5. 6. 7.

F.

Cast iron body, stainless steel bolts and internal parts, removable bronze seats, epoxy coated, bronze relief valve. Four (4) test cocks, OS&Y resilient wedge gate valves. UL/FM listed and approved. Same size as fire service. Detector assembly consisting of an approved reduced pressure zone backflow preventer, approved water meter and shutoffs. Design Equipment: Watts Series 909RPDA. Acceptable Manufacturers: Ames, Febco, Wilkins, Watts.

Double Check Valve Type (Water/Fire Service - 3 in. and Larger): 1.

E.

Cast iron body, stainless steel bolts and internal parts, removable bronze seats, epoxy coated, bronze relief valve. Four (4) test cocks, epoxy-coated strainer, OS&Y resilient wedge gate valves. Design Equipment: Watts Series 957. Acceptable Manufacturers: Ames, Febco, Wilkins, Watts.

Reduced Pressure Detector Assembly Type (Fire Service): 1.

D.

Design Equipment: Watts Series 957. Acceptable Manufacturers: Ames, Febco, Wilkins, Watts.

Cast iron body, stainless steel bolts and internal parts, removable bronze seats, epoxy coated. Four (4) test cocks, OS&Y resilient wedge gate valves. UL/FM listed and approved. Same size as fire service. Detector assembly consisting of an approved double check valve backflow preventer, approved water meter and shutoffs. Design Equipment: Watts Series 757 DCDA. Acceptable Manufacturers: Ames, Febco, Wilkins, Watts.

Dual Check Type with Intermediate Atmospheric Vent (Coffee and Ice Machines): 1.

Conforms to NSF Standard No. 25, stainless steel body, threaded end connections, rubber diaphragm, ball check, vent extended to drain.

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2. 3. G.

Dual Check with Atmospheric Vent (Beverage Machines): 1.

2. 3. H.

2. 3.

2.

Weighted lever type, galvanized cast iron casing, trim kit with approved bypass meter, rising stem shutoff and check valve, UL listed, FM approved, and the entire assembly in accordance with the local Water Authority requirements. Design Equipment: Hersey Products Model EDC III.

Terminal Valve: 1. 2. 3.

2.3

Conforms to ASSE Standard 1024, copper body with union ends, plastic check modules, silicone discs and Buna-N seals, stainless steel springs, straight line flow. Design Equipment: Watts Series #Cu7. Acceptable Manufacturers: Conbraco, Febco, Watts, Zurn.

Detector Check Valve: 1.

J.

Conforms to ASSE 1022, stainless steel body, ANSI (NSF Standard 18 certified), wye pattern strainer, stainless steel springs, for continuous pressure, vent extended to drain. Design Equipment: Watts #SD3. Acceptable Manufacturers: Conbraco, Febco, Watts, Zurn.

Dual Check Type (Residential Domestic Water - 1 in. and smaller): 1.

I.

Design Equipment: Watts #9BD. Acceptable Manufacturers: Conbraco, Febco, Watts, Zurn.

Cast iron body with flapper valve, galvanized finish. Design Equipment: J.R. Smith, Figure #7070. Acceptable Manufacturers: J.R. Smith, Waterman.

VACUUM BREAKERS A.

Atmospheric Type: 1. 2. 3.

B.

Lead free brass body, silicone disc, ASSE 1001, threaded inlet and outlet connections, polished chrome for finished areas. Design Equipment: Watts Series #LF288-A. Acceptable Manufacturers: Watts, Conbraco, Zurn or approved equal.

Hose Connection Type: 1. 2. 3.

Brass body, stainless steel working parts, rubber diaphragm and disc, drainable, non-removable feature, polished chrome for finished areas. Design Equipment: Watts #8A. Acceptable Manufacturers: Watts, Conbraco, Zurn or approved equal.

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C.

Pressure Type - Exterior Use (Irrigation Systems): 1.

2. 3. D.

Pressure Type and Spill Resistant Type - Interior Use: 1.

2. 3. 2.4

Lead free bronze body, anti-siphon and pressure vacuum type, silicone rubber seat disc, replaceable seats, ball valve shutoffs on inlet and outlet, test connections. Design Equipment: Watts #LF800M4QT. Acceptable Manufacturers: Watts, Conbraco, Zurn or approved equal.

Lead free bronze body, anti-siphon and spill-resistant type, one-piece thermoplastic modular check and float assembly, stainless steel springs, ball valve shutoffs on inlet and outlet, test connection. Design Equipment: Watts #LF008PCQT. Acceptable Manufacturers: Watts, Conbraco, Zurn or approved equal.

FIRE HYDRANTS A.

Dry-barrel type, UL listed, FM approved, conforming to AWWA Standard C502 and requirements of the local municipality and fire department.

B.

All working parts shall be bronze. 150 psi wwp and tested to 300 psi. Breakable type couplings for hydrant, standpipe and stem. Compression type main valve, open counterclockwise. 5-1/4 in. opening, 7 in. standpipe of length for connection to 6 in. underground branch main, automatic drip valve and frost guard.

C.

Shape and size of stem, cap nuts and hose threads shall conform to requirements of local fire department with two (2) 2-1/2 in. nozzles on each side of one (1) 4-1/2 in. pumper connection. The hydrant shall be painted yellow.

D.

Hydrant branch main shall be provided with a ductile iron anchoring pipe, branch valve and valve box.

E.

Acceptable Manufacturers: Kennedy "Guardian", Mueller "Centurion", US Pipe or approved equal.

PART 3 - EXECUTION 3.1

GENERAL A.

Coordinate work with all other trades and utility company.

B.

Inspect pipe, fittings and equipment prior to installation. Remove all defective materials from the site.

C.

Do not backfill until inspection by Owner's Representative.

D.

Install pipe and equipment in accordance with manufacturer's recommendations and in a workmanlike manner as determined by the Owner's Representative.

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3.2

3.3

3.4

3.5

WATER SERVICE A.

Install all piping on firm bed using caution where piping passes over excavation. Provide concrete thrust blocks to support hydrant and prevent movement at all changes in direction of piping. Thrust blocks not required for Type K copper piping installation. Provide rods, clamps and retainer glands on all elbows and fittings in accordance with manufacturer's recommendations to prevent fitting from blowing off under line pressure. Coat all clamps, rods, nuts with two (2) coats of bitumastic.

B.

Minimum earth cover shall be 5 ft.-0 in. unless otherwise noted.

C.

Water mains crossing sanitary or storm sewers shall be installed to provide a minimum vertical distance of 1 ft.-6 in. between the outside of the pipes where the water main is above or below the sewer. Locate the water pipe so that the crossing of the sewer occurs at the mid-section of a full length of pipe. The minimum horizontal separation between water mains and sewer mains shall be 10 ft.-0 in. measured from the outside of the pipes. If separation or distance of joints from pipe crossing cannot be established, encase water piping in 6 in. concrete for a distance 10 ft.-0 in. each side of crossing.

BACKFLOW PREVENTERS A.

The backflow preventer installation shall be installed in accordance to the Health Department approved drawings.

B.

Prior to installation of backflow preventers, obtain the approved drawings from the Engineer.

C.

Provide hub-style drain for emergency relief drain with a pipe separation of at least two (2) pipe diameters from backflow preventer relief outlet.

PIPING A.

Run slightly off level to low points; provide drain valves at low points. Provide shock absorbers where shown or specified. Branch headers serving flush valves shall be full size as shown. Exposed water piping in Kitchen shall be chromeplated brass (from insulation to fixture or equipment connection). Provide dielectric pipe fittings when connecting to piping systems of dissimilar metals. All supply piping to fixtures, faucets, hydrants and flush valves shall be anchored to prevent movement.

B.

Provide shock absorbers where flush valves and quick closing valves are used as specified in Section 15B450 - "Equipment".

ARRANGEMENTS A.

Provide for application to and obtain approval from the local Water Authority for connection to municipal systems.

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B.

3.6

CLEANING AND DISINFECTING A.

3.7

Refer to Specification Section 15B060 - "Piping Systems and Accessories" for domestic water piping cleaning and disinfecting requirements.

FIRE HYDRANTS A.

3.8

Contact the Water Authority for the extent of their work, the costs, fees, required permits and their installation requirements. Make all arrangements, pay all costs, fees and obtain all permits. Include all costs within the base bid.

Provide with pumper connection at right angles to curb, facing the roadway. The hydrant shall be installed plumb. Provide gate valve and box with each hydrant. All hydrants shall be brush painted using paint approved by the local Water Authority.

TESTS A.

Provide all necessary items to complete proper testing of work. Perform all testing in accordance with governing codes, local utilities and other agencies having jurisdiction and as specified. Pay all costs to perform tests. Perform all testing in a safe manner.

B.

Upon completion of construction, all backflow prevention devices provided under this contract shall be tested. Tests shall be performed by a certified backflow preventer tester registered by the New York State Department of Health. Provide three (3) copies of Form DOH-1013 for each device with Part A completed by the tester. Submit forms to Engineer. Pay all costs required for testing devices, including administrative costs associated with satisfying the requirements and regulations of Water Authority and Health Department. Repair or replace any device failing the test and repeat the test.

C.

Test each vacuum breaker according to authorities having jurisdiction and the device's reference standard.

D.

Refer to Specification Section 15B060 - "Piping Systems and Accessories" for pipe testing requirements. END OF SECTION 15B410

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