A four hundred seventy-five gallons per minute cooling tower unit labeled CT-1 connects an eight-inch supply line and a two-inch return line, each equipped with inline valves and strainers. A one-and-one-half-inch make-up water line ties into the system from an approved backflow preventer operating at fifteen gallons per minute with a twenty pound per square inch minimum and fifty pound per square inch maximum. A three-inch overflow line and a one-and-one-half-inch drain line route to an approved receptor by plumbing code.
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