2024 Horizon Commercial Pools Catalog

174 Causes of Immediate Closure Pool/Spa • Lifesaving equipment not provided • Bottom drain not visible • Min disinfectant residuals are not met (See above) • Construction or physically altered pools don’t have approved plans • Any condition that endangers health/safety of public user Test Kits (store test reagents in a cool, dry place away from light) • DPD type test kit for free and total disinfectant residuals Must be able to read up to 10.0 ppm with 0.2 ppm accuracy Orthotolidine test kits are not acceptable • pH test kit • Alkalinity test kit • Cyanuric Acid test kit (if using stabilized chlorine) Safety Equipment (one of each unit per 2,000 square feet of pool surface area) • Ring Buoy – with 3/16” rope attached, 1½ times width of pool, but not more than 60 feet • Shepherd’s Hook – with 12 ft straight pole bolted to hook • Mount life saving equipment on conspicuous, readily accessible locations around the pool. Pools providing lifeguard service must have a First Aid Kit and Spine Board. Controlled Access to Pool (fencing) • Fence 5 feet high, less than 2 inch opening at bottom and 4 inches at any other openings • Gate 4 feet or higher with self closing, self latching, lockable with latches Depth Markings • Numerals, 4 inches high in contrasting color at 25’ intervals and at changes in slope. Letters FT and IN follow numbers. Some localities require depth markings in water line also. • “No Diving” on pool deck on all sides of the pool where diving is not permitted and spaced not more than 25 feet apart. Minimum 4 inches high in contrasting color. Slope Changes • Indicated by a band of contrasting color on the sides and bottom of the pool • Minimum width 6 inches in a contrasting color Stair Markings • The leading edge of stair treads must be marked by a strip of dark contrasting color, ½ - 2 inches in width Daily Records must include: • Free Available Chlorine, Total Available Chlorine, pH, Total Alkalinity, Temperature, and Cyanuric Acid test results • Volume or amounts of fresh water or chemical additions, flow rate, filter pressures, cleaning and maintenance of pool equipment, and any malfunctioning or problems with equipment • Physical check of main drain and suction covers • Sanitizer interlock checked weekly Pool Guidelines (Minnesota) Disinfectants Residual Types of Disinfectants Swimming Pool Spa Range Ideal Range Ideal Free Available Chlorine 1.0 – 10.0 ppm 2.0 – 8.0 ppm 2.0 – 10.0 ppm 3.0 – 8.0 ppm Combined Available Chlorine No more than 0.5 ppm permitted No more than 0.5 ppm permitted Stabilized Chlorine 1.0 – 10.0 ppm 3.0 – 8.0 ppm 2.0 – 10.0 ppm 3.0 – 8.0 ppm Total Bromine 2.0 – 20.0 ppm 4.0 – 12.0 ppm 4.0 – 20.0 ppm 6.0 - 12.0 ppm Calcium Hardness 200 – 400 ppm 150 – 250 ppm pH 7.2 – 7.8 7.4 – 7.6 7.2 – 7.8 7.4 – 7.6 Alkalinity 60 – 150 ppm 80 – 120 ppm 60 – 150 ppm 80 – 120 ppm Cyanuric Acid 100 ppm max. 0 – 30 ppm 100 ppm max. 0 – 30 ppm Temperature 76˚ - 86˚ 104˚ max. 100˚-104˚ Required Warning Signs • “Pool Rules” Must be prominently posted • “No Diving” Where needed • “Pool Capacity” Must be prominently posted • “Warning No Lifeguard on Duty” (4 inch letters) “Children shall not use pool without an adult in attendance” (1 inch letters) Must be displayed at pools without lifeguard service • “For Emergency Use Only” Must be posted above safety equip. • Emergency Instructions: 911 Or other instructions for emergency calls must be prominently posted • “Spa Rules” and “Spa Capacity” Where applicable Pool Operators • Every swimming pool shall be operated under the direct supervision of a trained Nation Certified Pool Operator Chemicals • Store covered in a cool, dry place • Segregate acids, bases and oxidizers Cleanliness • Pools and decks must be maintained in a clean, sanitary condition • Daily maintenance is required

RkJQdWJsaXNoZXIy MTk0MjU2MQ==