REGULATIONS FOR THE INSTALLATION OF
WATER, SEWER AND ROAD CONSTRUCTION FOR THE DEVELOPMENT OF SUBDIVISIONS

The following regulations shall apply to the development of residential subdivisions and any other streets or developments within the Town boundaries except where Provincial Government regulations apply, in which case the Provincial regulations shall take preference.

"Water Mains"

1. All water mains shall be adequately sized to provide fire flows in accordance with the requirements of the Provincial Fire Commissioner and the Town of Clarenville. In no case shall water mains be less than 150 mm in diameter ductile iron or G900 PVC pipe.

2. All pipe cutting and tapping for services shall be carried out using proper tools and equipment as recommended by the pipe manufacturer. In no case shall pipe cutting be carried out using oxyacetylene torch.

3. All plugs, tees, bends and other fittings on water mains shall be provided with suitable concrete reaction backing or metal harness such as restraining flanges in order to prevent movement. Sizing of reaction backing to be determined in accordance with the requirements of the National Fire Protection Association, the Insurer's Advisory Organization and the Provincial Fire commissioner for the size of pipe and operating conditions involved. All dead end lines must be provided with suitable concrete reaction backing (trust blocks) and restraining flanges.

4. (a) Fire hydrants shall comply with AWWA C-502 or latest edition. Type of hydrant shall be McAvity or Darling. They shall be compression type equipped with two (2) hose nozzles (5vtpi) and one (1) pumper nozzle (4vtpi) to meet Town standards. The type of operating nut shall be 5 sided.

(b) Each hydrant shall be connected to the main line with a 150 mm branch controlled by an independent 150 mm non-rising stem gate valve which closes off by turning clockwise and must be installed 1 meter in front of the hydrant. The bowl of each hydrant shall be braced against unexcavated earth at the end of the trench with trust blocks and restraining flanges.

(c) Each hydrant shall have one half (½) meter of crushed stone around the base for drainage, 150 mm above the drain hole and 350 mm below. They shall be located in areas where the water table is sufficiently low to permit them to drain. Otherwise, hydrants are to be of the non-draining type.

(d) Fire hydrants shall be spaced at intervals not exceeding 150 meters from existing Town hydrants. If this has to be a dead end system then a hydrant and valve must be placed at the extreme end of the line. Otherwise the line must be looped with the Town system.

(e) All fire hydrants shall be permanently marked with a flag to be installed adjacent to the hydrant and designed to Town standards.

5. All valve boxes and curb stops shall be set flush with the finished grade as directed by the Town Engineers or Works Superintendent.

Gate valves and boxes shall be to a standard as specified in Section 02713-2.2 of the Masters Construction Specifications of the Government of Newfoundland and Labrador.

6. At times when pipe laying is not in progress the open ends of all pipe shall be plugged with a water tight plug or other means for both water and sewer lines.

7. No work shall be covered up or put out of view until it has been inspected by the Town Engineers or Works Superintendent.

8. "Testing": After water mains have been laid and partially backfilled they shall be tested to a hydrostatic pressure of one hundred fifty percent (150%) of the normal working pressure of the main, but in no case shall the test pressure be less than 1000 kilipascels (150psi).

The pressure test shall be for a period of one (1) hour during which time the pressure shall not vary by more than +1 - 35 kpa.

9. "Flushing and chlorination": The water main shall be thoroughly flushed prior to chlorination.

All mains and valves shall be chlorinated with one (1) percent chlorine solution to obtain a ten (10) ppm residual at the extreme end of the line after standing for twenty-four (24) hours. The chlorine solution shall be injected continuously while the line is being filled so as to obtain even distribution through the entire length of the pipe. After twenty-four (24) hours detention the main shall be thoroughly flushed and a bacteriological sample taken by a representative of the Dept. of Health. If the test results are unsatisfactory then the line must be re-chlorinated until satisfactory results are obtained.

10. "Depth of Bury": All water mains shall be laid at a depth sufficient to prevent freezing, based on Dept. of Environment statistics, but in no case shall this be less than two (2.0) meters.

The pipe shall be laid in suitable bedding material as recommended by the manufacturer, but in no case shall the bedding be less than 150 mm below the pipe and 150 mm above the pipe.

11. "Sizing of Sewer Lines": All sewer lines shall be sized in accordance with requirements of the Dept. of Environment but in no case shall a line be less than 200 mm in diameter. The minimum acceptable type of sewer pipe shall be SDR-35 or SDR 28 conforming to ASTM D3034. Pipe class to be determined on the basis of loading conditions involved.

12. (a) At each change of section, direction or gradient, at intersections with other sewers or at such other points as may be indicated by the Town Engineer or Works Superintendent a manhole shall be constructed. All manholes shall be constructed and tested in accordance with section 02601 of the Master Spec.

(b) The covers and frames of all manholes shall be heavy duty cast iron Municipal type for road service. Step iron shall be installed inside each manhole. The minimum inside diameter of any manhole shall be not less than 1500 mm.

(c) Manholes shall be placed not more than 120 meters apart.

13. A camera test shall be preformed on all sewer lines.

14. The sewer system including manholes shall be tested for exfiltration and infiltration in accordance with Provincial Guidelines as set down in the Master Specification. All such testing to be carried out in accordance with AWWA standards prior to backfilling.

15. "Valves": All subdivision water mains shall have sufficient valves located in such a manner so as to isolate the entire subdivision or any branch line therein in order to perform any necessary repairs. In the case of the subdivision main lines being looped with the Town system, then it shall be valved in such a manner so that the water may flow from either direction.

16. "Water for Testing": The Town will turn on water to a subdivision development only to flush, test and disinfect water mains and to test the sewer system. After disinfection, testing and flushing the water shall be turned off until the Provincial Health Dept. obtains satisfactory results from bacteriological samples.

The water shall remain turned off until all work and conditions of the permit have been completed to Town standards as determined by the Town Works Superintendent and/or the Town Engineer.

17. "Liability": The Town shall not guarantee an adequate supply or pressure to any subdivision nor shall it be responsible for any damages or personal injury resulting from the turning off or on of any valve supplying water to the said development.

18. "Road Construction": Upon request from the Town Engineers or Works Superintendent the Developer, at the Developer's expense, shall have testing done on the subgrade of the road for silt content and drainage. Should the test results show the subgrade to be unsatisfactory a minimum of 600 mm shall be removed and replaced with rock fill or suitable material before placing 100 mm of class B, 100 mm of class A, and 75 mm of Asphalt (2 lifts of 37.5 mm each).

19. "As Built Drawings": As built drawings showing the location of all curb stops, valves, bends, tees etc. shall be supplied in duplicate to the Town at the time of completion of the water & sewer services.

Adopted: August 18, 1997
Motion No: 97-111
Mayor
Clerk