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D.C. Municipal Regulations (Last Updated: September 13, 2017) |
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Title 25. FOOD OPERATIONS AND COMMUNITY HYGIENE FACILITIES |
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SubTilte 25-C. SWIMMING POOL AND SPA REGULATIONS |
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Chapter 25-C4. WATER QUALITY, CIRCULATION SYSTEMS, AND REPORTING REQUIREMENTS |
Section 25-C409. CIRCULATION SYSTEMS - PUBLIC SWIMMING POOLS, TURNOVER RATES*
Latest version.
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409.1 Circulation systems for pools shall comply with Section 311 of the 2012 International Swimming Pool and Spa Code (ISPSC) and this section.
409.2 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 hours
Class A, B, and C pools
Hours equal 1-1/2 times the average depth of pool in feet not to exceed 6 hours
Wading pools
1
authority
Section 4902 of the Department of Health Functions Clarification Act of 2001 (“Act”) effective October 3, 2001 (D.C. Law 14-28; D.C. Official Code § 7-731(a)(11) (2012 Repl. & 2016 Supp.)), and Mayor’s Order 2001-111, dated August 6, 2001.
source
Final Rulemaking published at 64 DCR 5359 (June 9, 2017).