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VII s. Section 7789 - Inlets and Outlets <br />1. Piping system (use Hra,on WIlliLms formula or chart) <br />a. All parts onc] fittirl;s othor than inlet devices or vonturi throats, velocity shall not exceed tan (10) ft/sec. <br />. Exception, copper pipes and any suction linos velocity shall not <br />exceed eight (8) ft/sec. <br />All pools shall have a minim om of one (1) return inlet for each ten thousend (10,000) gallons or fraction thereof. <br />Inlets shall not protrude moro than one and one fourth (li) inches beyond wall surfoco into pool, and shall be roundod and smooth. <br />2. Bottom drain or outlet <br />a. Dottom drain or outlot provided <br />...4 L b. Covered with grate or other protective device whIch cannot be <br />removed except with tools - this includes recirculation outlets. <br />Slots or openins of these covers not to (mood one half (1) inch in the smaller dimoasion. <br />d. All designs shall be of such shape, area and arrangement as to <br />prevent hazard of being drawn thereto with such force as to create a safety hazard. <br />3. &limners in lieu of overflow gutters <br />y a. Circulation systca dosigned to provide sufficient velocity at inlets arrongsd and directed so as to impart a substantial circulatory <br />movement to pool water, which promotes skimming and uniform dis- <br />inroctent distribution. <br />I <br />•••••••••• <br />4101••••11111 <br />01•••••• <br />o• <br />WaRIMMI <br />I/ <br />0.0111410 <br />.11•41111•110 <br />••••••••1111 <br />VIII- Seotion 7790 & 7795 - Hand holds and steps; ladders, etc. <br />Hand holds provided <br />Hand holds required at water level similar to rim of <br />for special use and competitive pools. <br />41•104111•111 <br />an overflow gutter <br />3. If oierflow gutters not provided, o two and one half (*) inch (maximum) <br />above water level <br />Stops or ladders provided at both ends of pools over two (2) feet deep. <br />If nidth eNceods thirty (30) foot a laddor shall be provided on each side <br />of pool. In long pools ladders obeli be provided along sides not .more <br />than one hundred (100) feet apart. <br />liaddoro shall have a clearance of not less than throe (3) inches Oa' more than five (5) inches botween wall and ladder. <br />5. <br />thic% bullno2ed coping not more than nine (9) inches <br />shall be provided. <br />E.H. 10 06