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<br />M. Chemical and Disinfectant Feeder (2-9040 and 9041, T22-65529 and 65547)
<br />1 Approved type, non-plugging, corrosion resistent, easily cleanable
<br />and repairable, with variable flow adjustment and flow indicator.
<br />If gas chlorine, scale required.
<br />Piping carrying chlorine gas under pressure shall not be located
<br />outside gas chlorine room.
<br />Test kits and reagents as needed: DPD free chlorine, pH, and
<br />cyanuric acid test kits and commercial ammonia reagent.
<br />N. Gas Chlorine Room (2-9028, 3-680-12 and 13, and 722-65547)
<br />Separate room not located below ground level and of min. 1 hour fire
<br />resistive construction.
<br />Door open to exterior of building away from pool deck.
<br />Mechanical exhaust producing 60 air changes/hour, from a point near
<br />the floor and venting to outside air. Discharge 10 ft. from windows
<br />or adjacent buildings.
<br />Fresh outdoor air intake within 6 in. of ceiling.
<br />Switches for lights and ventilation outside by door and labelled
<br />"Turn On Before Entering".
<br />Gas chlorine feeders interlocked with pool equipment.
<br />Gas mask and canisters or self contained air packs.
<br />0. Water Supply (2-9035)
<br />1. Permanently installed line from an approved source.
<br />A-- 2. Air gap,vacuum breaker,or double check valve needed. No trip hazard. Vi-
<br />P. Inlets (2-9042)
<br />Two inlets first 10,000 gals., and 1 for each 10,000 gals.
<br />thereafter. No. required . No. provided
<br />Min. 18 in. below waterline, min. 10 ft. apart.
<br />Protrude max. 1 1/4 in. into pool and be adjustable in direction and
<br />volume of flow to cause a circulatory movement to the pool water.
<br />One floor inlet/10,000 gals. if pool wider than 40 ft.
<br />No. floor inlets required . No. provided
<br />Q. Skimmers (2-9042)(pool area not over 5000 sq.ft.)
<br />X ' 1. Approved type, properly located with respect to prevailing winds and 1,-----" ,
<br />circulatory water movement.
<br />
<br />2. One skimmer for each 500 sq.ft. or fractional part.
<br />No. required (max. of 10). No. provided
<br />
<br />3. Min. 75% of required flow./ L-
<br />
<br />\
<br />4. Gate valve. Not in deck.
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<br />
<br />5. Equalizer line with wall safety cover, float valve, check valve-.
<br />rubber rubber "0" rings, weir.
<br />R. Pump Capacity (2-9032 and 9034)
<br />Turnover times: Spas- 30 min., Wading- 60 min., Training- 120 min.,
<br />Other- 360 min. Pool volume 47S 0 gals. divided by turnover
<br />time (from above) '-' min. equals %;, .' GPM (Required Turnover Rate),
<br />Designed flow rates at indicated filters and ft. head losses:
<br />Press. DE - 60 ft., Vacuum DE - 40 ft., Rapid Sand and Gravel -
<br />45 ft., High Rate Sand 7 60 ft. From pump specifications cu-rAte for
<br />Pump Model O 0"0.110-, - ; and H.P.1 (/,,i
<br />flow rate at 60 ft. head loss (from above) is 75"
<br />Times / (number of identical pumps) equals Total Pump Rate
<br />(TPR) 2 - GPM,,.. Total Pump Rate must exceed "Required
<br />Turnover Rate". OK 1,-' Not OK .
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