§ 15.01.840. Pipe and tube.

A.

General requirements. All piping under paving shall be installed in Schedule 40 PVC sleeves. Piping under the road to the water meter box shall be ductile iron Class 51 pipe.

Piping under paving shall be installed by jacking, boring or hydraulic driving. Cutting or breaking of sidewalks and/or concrete work is not permitted unless no other alternative is possible and only as approved by the city public works director. Piping shall be located in such a way that a minimum of pipe will be located under paving.

B.

Plastic pipe and tubing. Plastic pipe shall be extruded from PVC 1120-1220 compound and shall be so labeled. All PVC pipe shall be Schedule 40.

C.

Plastic pipe fittings and connections. All plastic pipe fittings shall be suitable for either solvent weld or screwed connection. Fittings shall be factory-assembled fittings or appropriate alternate. All fittings shall be Schedule 40 PVC, unless otherwise noted on city standard detail drawings.

When connection is plastic to metal, Schedule 80 female adapters shall be used. The female adapter shall be hand tightened, plus one turn with a strap wrench. All threaded joints are to be wrapped with Teflon tape.

All PVC slip joints shall be primed prior to being glued. Burrs at cut ends shall be removed prior to installation to necessitate a smooth unobstructed water flow.

D.

Flushing and testing. After all new irrigation piping and risers are in place and connected, and all the necessary work has been completed prior to the installation of irrigation heads, control valves shall be opened and a full head of water used to flush out the system. Irrigation main lines shall be tested before backfilling for a period of not less than one hour, and shall show no leakage or loss of pressure.

E.

Wiring. All wiring, pull box details shall be in accordance with the following:

1.

National Electric Code.

2.

Utah State Uniform Building Code.

3.

Recommendations by the public works department.

4.

All wiring to be continuous.

5.

If splices are necessary, they are to be in a valve box with a dry splice or approved equivalent.

6.

All wiring under pavement or asphalt to be in conduit.

It shall be the landscape architect/designer's/engineer's and contractor's responsibility to call out any conflict between the above listed codes.

(Ord. No. 2007-07-31, §§ 10.4—10.4.5, 7-10-2007)