R.A. No. 6541 • National Building Code of the Philippines ...
(10) Hose and Hose Reels. Each hose outlet of all interior wet standpipes shall be supplied with a hose not less than 3.8 centimeters (1½ inches) in diameter. Such hose shall be equipped with a suitable brass or bronze nozzle and shall be not over 23.00 meters (75 feet) in length.
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