925.24 WYE JACKETS.

   All wyes shall be backed up, supported and completely surrounded with a six-inch jacket of Portland cement concrete. The concrete shall be a mixture of gravel, sand and Portland cement in quantities that will develop a compressive strength of 3,000 pounds per square inch at the age of thirty days.

(Ord. 90-5835. Passed 8-14-90.)

925.25 RESIDENCE SERVICE LINES.

   (a)   All residence service lines shall be a minimum pipe diameter of six inches from the wye to the property line and four inches from the property line to a point no farther than three feet from the point where the line enters the structure. The pipe and joint materials shall be as described in Sections 925.21 and 925.22.

   (b)   The minimum grade of residence service lines shall be one-fourth inch per foot.

(Ord. 90-5835. Passed 8-14-90.)

925.26 LATERAL LINES.

   Lateral sewers shall have a minimum pipe size of eight inches internal diameter and shall be laid on a grade which will provide a full low velocity of two feet per second.

(Ord. 90-5835. Passed 8-14-90.)

925.27 METHODS OF TAPPING.

   Should it be determined that a tap must be made in a sanitary sewer to provide an outlet for a resident service line, the permit applicant shall arrange to have the sanitary sewer exposed and tapped by their contractor. The actual tapping of the sanitary sewer shall be performed in the presence of City personnel.

(Ord. 90-5835. Passed 8-14-90.)

925.28 STORM SEWER DISCHARGE.

   All foundation, footer or other subsurface drains shall discharge into the storm sewer or through a suitable opening in the curb. Should it be impossible to provide a gravity flow for this water to a point of discharge, a sump pump, lift pump or other suitable mechanism must be provided for a proper disposal.

(Ord. 90-5835. Passed 8-14-90.)

925.29 INSTALLATION.

   (a)   The trench bottom of a building sewer shall be solidly compacted earth. Backfilling around pipe will be tamped granular aggregate and extended four inches above outside diameter of the pipe. The remaining depth to be backfilled with well-tamped excavated material.

   (b)   Building sewers will be separated from water service lines by a minimum of thirty-six inches vertically and horizontally.

(Ord. 90-5835. Passed 8-14-90.)

USE OF PUBLIC SEWERS CONTROLLED

925.30 GENERAL PROVISIONS; PURPOSE AND POLICY.

   Sections 925.30 through 925.52 inclusive sets forth uniform requirements for discharges into the City Sewage Disposal System and enables the City to protect public health in conformity with all applicable State and Federal laws relating thereto. The objectives are:

   (a)   To prevent the introduction of pollutants into the City Sewage Disposal System which will interfere with the normal operation of the system or contaminate the resulting sludge;

   (b)   To prevent the introduction of pollutants into the City Sewage Disposal System which do not receive adequate treatment and which will pass through the system into receiving waters or the atmosphere or otherwise be incompatible with the system;

   (c)   To improve the opportunity to recycle and reclaim wastewater and sludge from the system.

      (Ord. 90-5835. Passed 8-14-90.)