D.C. Mun. Regs. tit. 25, r. 25-C409
Current through Register Vol. 71, No. 49, December 6, 2024
Circulation systems for pools shall comply with Section 311 of the 2012 International Swimming Pool and Spa Code (ISPSC) and this section.
Circulation equipment shall be sized to turn over the entire water capacity of the pool as specified in Table 407.2 of the 2012 International Swimming Pool and Spa Code (ISPSC). The system shall be designed to provide the required turnover rate based on the maximum pressure and flow rate recommended by the manufacturer for the filter and clean filter media.
TABLE 407.2 TURNOVER RATE
Swimming Pool Category | Turnover rate In Iiours |
Class A, B, and C pools | Hours equal 1-1/2 times the average depth of pool m feet not to exceed 6 hours |
Wading pools | 1 |
D.C. Mun. Regs. tit. 25, r. 25-C409