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0 1,1 b 31 Sy1d3ed E. Qe.circa)›lion (Coaiinwei) Flowmeter properly located with 10 pipe diameters of straight pipe in front and 4 pipe diameters in back of the flow meter and be capable of easy inspection. Pressure gauges on influent and effluent tines with 10 pipe diameters in front and 5 pipe diameters in back of all gauges and be capable of easy inspection. Vacuum gauge on suction type filters. Hair and lint strainer on suction side of pump. F. Water Supply (2-9035) Permanently_ins1A114cl_line from an approved source. 2. Air gag: vacuum breaker,- installed beyond last inlet valve and at least 6 in. above pool copircro-Z-Ce check valve needed. No trip hazard present. G. Bottom Drain (2-9013, 9033, and 9042) Hydrostatic device if needed for high water table. Gate valve. Accessible for operation and repair. Labelled. Not in deck. Cover grates with openings max. 1/2 in. and removable with tools. Cleaning System (2-9044) 1. Vacuum or jet type with backflow protection. I. Electrical (2-9019, 3-680-6 and 20) Underwater light with OF! (15 volt system also require OF!) and deck area lighting if pool used at night. Overhead lighting may substitute for the underwater lights. Receptacle outlets located at Least 10 ft. from inside wall of pool. If within 20 ft., protected by OF!. J. Steps, Ladders, and Stairs (2-9015) Required at shallow end if over 2 ft. deep and at deep end if over 4 1/2 ft. Ladders require 2 handrails. Required at each side at 100 ft. increments if pool wider than 30 ft. Ladders min. 3 in. or max. 5 in. from wall. Steps and step holes in walls: min. tread 5 in., min. width 14 in., readily cleanable, nonskid treads. Each stair step shall be uniform with a min, tread of 12 in. except convexly curved top step is 18 in., max. risers 12 in. Rail extending from deck to top of lowest step, min, height of 28 in. above the deck at the pool edge of the coping. K. Handholds (2-9016) Located not more than 9 in. above water level. Bull-nosed coping or cantilevered decking that is not over 2 1/2 in. thick for the 1 to 2 in. overhang. L. Permanent Markings (2-9014) Straight Line of slip resistant tile, 4 in. wide, contrasting color, required across bottom of pool at 4 1/2 ft. depth except if pool's max, depth is 5 ft. Depth markers, min. 3 in. in height of contrasting color required at or above water level at max., min., and slope break depths and at each end and spaced at 25 ft. intervals. Pool width greater than 20 ft.: Slip resistent depth markers required on edge of deck. Depth markers to indicate water depth accurate to nearest 6 in. Max. width of slip resisrent line markings is 12 in. No design on bottom or sides resembling a hunan form. M. Perimeter Overflow (2-9042)(pool area over 5000 sq.ft.) 12.1 Channel min. 3 in. deep; bottom width of channel min. 3 in.; opening beneath coping into ),;) min. 75% of required flow. channel min. 4 in. ' 3. \ Channel lip max. 12 in. below top of deck; rounded lip edge 1 to 2 1/2 in. thick at top 2 in. \ Channel outlet min. 2 1/2 in. diameter, max. 15 ft. apart and channel sloped min. 1/4 in./ft. to outlets. Channel drain grates 1 1/2 times area of outlet pipe. Surge tank storage min. 1 galasq.ft. of pool surface. Automatic make-up water with manual override for maintaining pool water level. 7- N. Decks (2-9018) Min. 4 ft. nonslip and nonabrasive deck around pool and rear of diving board and slides. Coping shall be slip resistant. Deck sloping at least 1/4 in./ft. away from pool. Deck drains, if provided, shall have 4 in. drain inlet, max. 400 sq.ft./drain and drains spaced max. 25 ft. apart. 0. -Fencing and Gates (2-9024) 3F 1.\, Fence, wall, building, enclosure min. of 4 ft. high with openings, holes, gaps not exceeding 4 2. Gate with a self-closing and self-latching device located not less than 3 1/2 ft. above deck. b kt1)( All items on page completed co ,t1 k,0 -- in.