(A) All building sewer pipe shall be cast iron pipe, ASTM A 74; or plastic, type P.S.P. poly (vinyl chloride) PVC ASTM (D 3034).
(B) The minimum inside pipe diameter and minimum fall per foot of the building sewer shall be in accordance with the following table of allowable number of fixture units.
Maximum Number of Fixture Units* | ||||
Pipe Diameter in Inches | Fall Per Foot | |||
1/16" | 1/8" | 1/4" | 1/2" | |
Maximum Number of Fixture Units* | ||||
Pipe Diameter in Inches | Fall Per Foot | |||
1/16" | 1/8" | 1/4" | 1/2" | |
4 | 180 | 216 | 250 | |
5 | 390 | 480 | 575 | |
6 | 700 | 840 | 1000 | |
8 | 1400 | 1600 | 1920 | 2300 |
10 | 2500 | 2900 | 3500 | 4200 |
*The unit values for each plumbing fixture are as set forth in the current BOCA Basic Plumbing Code manual.
(C) The building sewer in all cases shall be first connected to the sewer and may then be extended to proceed toward the structure to be served. Pipe laying shall proceed in accordance with the best accepted practices true to line and grade.
(D) If a water service is to be laid in the same trench with the building sewer, the rules and regulations of the South Central Regional Water Authority shall be followed.
(E) Clean out, to approximate ground elevation, must be provided five to ten feet from the structure served if clean out does not exist inside foundation wall. On longer lines, clean out shall be provided at approved intervals.
(Ord. 235, adopted 9-4-84) Penalty, see § 51.99