1301.9.6 Overflow.
PC § 1301.9.6
The storage tank shall be equipped with an overflow pipe having a diameter not less than that shown in Table 606.5.4. The overflow pipe shall be protected from insects or vermin. The overflow pipe shall be connected to the appropriate building drainage system in accordance with this code and the requirements of the Department of Environmental Protection. Overflow from a stormwater storage tank shall not discharge to the sanitary drainage system. Drainage from overflow pipes shall be directed to prevent freezing on roof walkways. The overflow drain shall not be equipped with a shutoff valve. A cleanout shall be provided on each overflow pipe in accordance with Section 708.













