(a) The developer shall install a water supply serving all lots in any subdivision. The developer shall bear the cost of installing all water lines inside the subdivision and the lines to extend the water source that may be located outside the subdivision. The City shall participate in the cost of over-sizing trunk mains larger than 8 inches in diameter where a public benefit is involved.
(b) Where a public water supply is available, as determined by the City, every lot in the subdivision shall be provided with a connection thereto.
(c) Water Main Specifications.
(1) Water main.
A. Size, residential areas: 8 inches minimum.
B. Size, commercial/industrial areas: 10 inches minimum unless specifically authorized by the Service Director or Water Operator in charge.
C. Depth: 4 inches minimum depth to top of pipe from proposed finished grade. There shall be a minimum of 18 inches vertical separation between main and other pipes, conduits or structures when crossing perpendicular, and 10 feet when parallel. The maximum depth shall be 5 feet unless crossing a sewer main or storm sewer.
D. Material: Class 53 ductile iron pipe AWWA C-151.
(2) Fittings: Gray, cast iron - class 250 AWWA C-110 or ductile iron - class 350 AWWA C-110 with mechanical joints per AWWA C-111 or equivalent.
(3) Valves.
A. Type: AWWA C-500 or C-509, counter-clockwise opening gate valves. Butterfly valves, AWWA C-504.
B. Accessories: Valve box (roadway style) extended to finished grade with 18 inches x 18 inches x 6 feet concrete collar pad.
C. Location: Every 600 feet main extension and at each branch main connection. Valves located at street intersections shall be placed at the radius tangent point. Between intersections, valves shall be placed at or near the property line.
(4) Fire hydrants.
A. Type: AWWA approved. "Break-Off" or "Traffic Type" with 5-inch main valve opening; two 2-1/2-inch discharge nozzles and one 4-1/2-inch pumper nozzle with national standard threads as manufactured by Darling or Kennedy or approved equal.
B. Accessories: Each hydrant shall be accompanied by an auxiliary valve and valve box, See division (c)(3) of this section.
C. Operation: Counter-clockwise opening.
D. Location. Every 500 feet in single-family residential areas and every 300 feet in multi-family residential areas and commercial and industrial areas. They should be located at street corners near radius tangent point, between intersections at property lines, generally with 250-foot radius coverage.
(5) Service connection.
A. Installation: The service connection shall consist of a corporation stop; 3/4-inch minimum service line; and a curb stop.
B. Location: A service connection shall be installed for each serviceable lot ending with a curb stop between curb and front of sidewalk. Minimum depth shall be 48 inches with a maximum depth of 54 inches.
C. Material: Type "K" copper, or ductile iron pipe to the meter.
D. Service marker: A 2 x 4 shall be placed in a vertical position at the end of each service connection, extending approximately 3 feet above the existing grade. The marker shall be painted blue.
E. Finished grade: It is the responsibility of the developer, builder and lot owner to see that the curb stop-box is adjusted to finished grade.
F. Water meter remote readers: Remotes shall be installed on the front or front corners of the house to facilitate reading of meters throughout the City.
(6) Inspection.
A. Requirements: An authorized agent of the City must inspect all work and materials. Contractors must notify the City at least 24 hours in advance of initiating construction or amending a construction schedule.
B. Fees: Fees are to be set and paid according to schedule kept by the Service Director and Water Operator in charge that have been adopted by City Council.
C. Test: A hydrostatic and purity test shall be conducted prior to acceptance. The contractor under the supervision of the City shall conduct tests.
Hydrostatic pressure test | AWWA C-600, section 4.1 and 4.2 |
Purity Test | AWWA C-601 |
D. Acceptance: Initial acceptance may occur only after the water mains and all appurtenances have been installed, tested and approved and a 1-year maintenance bond is submitted. Final acceptance and the release of the maintenance bond may occur only after final grade is established, appurtenances are adjusted to final grade, concrete collars are set around each valve box, and at least 1 full year of satisfactory operation is achieved.
(7) Water easements. Water mains installed outside the public right-of-way shall be located in an easement having a minimum width of 15 feet (7.5 feet each side of the waterline). Private water services installed within said easement shall extend to the edge of the easement.
(8) Extension to development boundaries. Water mains must be extended to the development boundary along each public roadway within or adjacent to the development. Other items may be required when extending to the existing system such as replacement of the fire hydrant or adding an additional valve to the system.
(Ord. 12-2002. Passed 7-2-02.)