Laserfiche WebLink
-8 <br />W. DISINFECTANT FEEDER (3133B) <br />iv <br />1. Approved type. <br />2. If gas chlorine, scale required. <br />3 . <br />X. SKIMMERS (3134B) (Pool area not over 5000 square feet) <br /> 1. One skimmer for each 500 square feet or fraction thereof. <br />Capable of withdrawing minimal 75% required recirculation capacity. <br />Built-in type and recessed into pool wall. <br />Adjust automatically to variations in water level, minimum 4 inches range. <br />Anti-airlock device — equalizer line. <br />Screen trap (Basket). 4_S-k4 E .4 N ) ( <br /> 7. Gate valve. <br />nr. ki•-) 4- I f j <br />Y. PERIMETER OVERFLOW (3134B) (Required for pools over 5000 square feet) <br />44/ 1. Capable of withdrawing minimum of 75% required recirculating capacity. <br />>exv 2. Channel minimum 3 inches deep; bottom width of channel minimum 3 inches: opening <br />beneath deck into channel minimum 4 inches. 7yV 3. Channel lip maximum 12 inches below top of deck; rounded lip edge shall not be thicker than <br />2 1/2 inches nor thinner than 1 inch from the top 2 inches. <br />A. 4. Channel outlet minimum 2 1/2 inches spaced not more than 15 feet apart and channel slope <br />to outlets not less than 1/4 inch per foot. <br />Channel drain grates 1 1/2 times area of outlet pipe. <br />Surge tank storage minimum 1 gallon per square foot of pool surface. <br />Automatic surge flow control to make-up water with manual override for maintaining pool <br />water level. <br />Z. BOTTOM DRAIN (3108B, 3134B, AND 116064) <br />1. Designed so that the pool can be emptied. <br />Gate valve. <br />Grates removable only with tools. <br />SPA ONLY — Duplicate drains for both the recirculation system and aeration/jet system or <br />single drains with safety covers for both systems. <br />Wading Pool — Main drain suction outlets under 12 inches across shalr be covered with <br />antivortex grates. <br />Wading Pool: Two circulation drains per pump, hydraulically balanced and symmetrically <br />plumbed through one or more "T" fittings, and are separated by a distance of at least 3 feet <br />in any dimension between the drains.