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• <br />14, Pr. • Gas Chlorine warning sign. <br />0. Indoor Ventilation (2-9026) <br />NAL. Indoor pools shall be adequately ventilated. <br />P. Foundations for Pool Equipment (2-9027) <br /> , Equipment to be mounted on concrete pad and sloped at least 1/4 <br />inch/foot to drain or other appr ovp(. surface disposal. <br />Gas Chlorine Room (2-9028) <br />Room not located below ground level. <br />Entry door shall open to the exterior of the building and shall <br />not open directly towards the pool or pool deck.. <br /> <br />_3. Fresh air intake within 6 inches of ceiling. \ <br />A. Mechanical exhaust which produces at least 60 air changes/hr. and <br />is vented to outside air. Discharge located at least 10 ft. from <br />windows or adjacent building. <br />R. Rwirculation (2-9031 and 2-9033) <br />X 1.- Flow velocity not to exceed 10 ft./second on inlet piping and 8 <br />ft./second n suction piping. <br />o2. Pressure gauge on influent and effluent lines. <br />014: 3. Flowmeter. <br />04. Vacuum gauge on suction type filters. <br />U-5. SPA: Two spa pools permitted to share the same 'recirculation and <br />treatment system provided that the flow and chlorination are <br />individually metered and adjustable. <br />S. Pump Capacities - Design flow (2-9034) <br /> <br />Okf... 1. Pressure D.E. - 60 ft. head. <br />Vacuum D.E. - 40 ft. head. <br />Rapid Sand - 45 ft. head. <br />4.‘ High rate sand - 60 ft. head, <br />T. Water Supply (2-9035) <br />aC..1. Permanently installed line. EXCEPTION: Spa pools, temporary <br />pools and pools less than 1500 gallons are exempt. <br />c o rripli 2. Air gap, vacuum breaker, or double check valve attached .tO <br />permanently installed line. <br />Q. <br />olosT