90.06 PERMIT AMENDED.

If, in the course of the work, it is found necessary to make any change from the plans and specifications on which a permit was issued, amended plans and specifications shall be submitted. A supplementary permit, subject to the same conditions applicable to the original application for a permit, shall be issued to cover the change.

(Code of Iowa, Sec. 384.84 [2a]

90.07 COMPLIANCE WITH PLUMBING CODE.

The installation of any water service pipe and any connection with the water system shall comply with all pertinent and applicable provisions, whether regulatory, procedural or enforcement provisions, of the State Plumbing Code.

90.08 PLUMBER REQUIRED.

All installations of water service pipes and connections to the water system shall be made by a State-licensed plumber.

90.09 EXCAVATIONS.

All trench work, excavation and backfilling required in making a connection shall be performed in accordance with City construction specifications and Section 96.03.

90.10 TAPPING WATER MAINS.

All taps into water mains shall be made under the direct supervision of the Building Official and in accord with the following:

1.   Corporation Stop. A brass corporation stop, of pattern and weight approved by the Building Official, shall be inserted in every tap in the water main.

2.   Sizes and Locations of Taps.

   A.   All Class 52 cast or ductile iron water mains six (6) inches or less in diameter shall receive a direct tap no larger than a three-fourths (3/4) inch. All Class 52 cast or ductile iron water mains of over six (6) inches in diameter shall receive a direct tap no larger than one inch. Where a larger connection is desired, two or more small taps or a tap saddle or cutting-in tee shall be used, as the Water Department shall order. All taps in the water main shall be made at or near the top of the pipe, at least eighteen (18) inches apart. No water main shall be tapped nearer than one foot of a joint in the water main.

   B.   All Pressure Class 350 ductile iron and C900 polyvinyl chloride water main shall require the use of a service clamp or saddle when tapping. Service clamps and saddles up to two-inch tap size may be used for tapping six-inch and larger water main. Service clamps and saddles shall conform to the requirements of the Water Department.

3.   Independent Services. Not more than one building and the premises in connection therewith shall be supplied from one water service pipe, where the lot or parcel of ground on which the same are situated abuts on a street having a water main. Persons owning property not abutting on such streets may run party service lines, under the direction of the Building Official. Party service lines shall have a curb stop and stop box close to the water main and additional curb stop and stop boxes placed on City streets, or alleys, so that each customer may be shut off independently. No permit shall be granted for connecting to a party service line until the person applying therefor files with the Building Official written consent of all owners of such lines.

4.   Location Record. An accurate and dimensional sketch showing the exact location of the corporation stop and stop box shall be filed with the Building Official in such form as the Building Official shall require.

(Code of Iowa, Sec. 372.13[4])

90.11 INSTALLATION OF WATER SERVICE PIPE.

Water service pipes from the water main to the meter setting shall be of such material as specified in the City construction specifications. The water service pipe from the water main to the water distribution system for the building shall be of sufficient size to furnish an adequate flow of water to meet the requirements of the building at peak demands and in no case shall be less than three-fourths (3/4) inch nominal diameter. Pipe must be laid sufficiently waving, and to such depth not less than five (5) feet, as to prevent rupture from settlement or freezing.

90.12 CURB STOP.

There shall be a curb stop in every water service pipe connection to the water main, or party service line in streets and alleys which shall be located approximately one foot outside the sidewalk or in an alley within one foot of the alley line, provided that where a two-inch or larger water service pipe is used there shall be a street valve box over the valve at the water main. The curb stop to be used for water service pipes shall conform to requirements of the Water Department, and be provided with a Tee handle and approved by the Water Department. The curb stop shall be covered by an extension stop box extended to or slightly above grade and provided with a tight fitting cover.

90.13 INTERIOR STOP.

There shall be installed a shut-off valve on every water service pipe inside the building as close to the entrance of the water service pipe within the building as possible and so located that the water service can be shut off conveniently and the pipes drained. Where one water service pipe supplies more than one customer within the building, there shall be separate shut-off valves for each such customer so that water service may be shut off for one without interfering with water service to the others.

90.14 INSPECTION AND APPROVAL.

All water service pipes and their connections to the water system must be inspected and approved by the Building Official before they are covered, and the Building Official shall keep a record of such approvals. Upon completion of a water service pipe installation, before being covered, the licensed plumber shall request an inspection by the Building Official, and the Building Official shall, within forty-eight (48) hours, approve or disapprove said water service pipe installation. If the Building Official refuses to approve the work, the plumber or property owner must proceed immediately to correct the work so that it will meet with the Building Official’s approval. Every person who uses or intends to use the water system shall permit the Water Department to enter the premises to inspect or make necessary alterations or repairs at all reasonable hours and on proof of authority.