Installation, Field Testing, and Maintenance of Fire Hydrants (AWWA M17) Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems (NFPA 25). Install hydrant with drain hole below frost line. Use wrenches on supply line fitting and brass valve body only. This avoids over tightening the hydrant assembly which could affect operation. Maintenance Instructions - Linkage Adjustment. The adjustment can be made with the water supply on by tightening the packing nut enough to hold the. about fire hydrants: design, installation, and maintenance practices. Using the easy-to-follow flow-testing procedures included, one can quickly obtain valuable distribution system information. This manual also traces the development of wet-barrel and dry-barrel styles and contains detailed instructions for installation and testing.
The fire hydrants ease of operation and high flow capability make it a natural for use in flushing distribution system main lines. When line flushing is done in conjunction with systematic hydrant inspection, the primary function of the fire hydrant is kept in proper perspective. TESTING SYSTEM. This manual was prepared by the AWWA Standards Committee on Fire Hydrants. It is intended for use by persons responsible for the installation, operation, and maintenance of dry-barrel and wet-barrel fire hydrants. IMPORTANT - Initial installation of Hydrant MUST BE MADE PROPERLY so Traffic Flange will function properly. Hydrant should be blocked at ground line and around Shoe using concrete or similar substance to prevent ground from giving way when Hydrant is struck. This manual applies to all Mueller Super Centurion Fire Hydrants. Inspection.
11) When the thrust block is to be poured, do not to block the hydrant drain holes. 12) Install traffic hydrants according to local fire code and AWWA Manual. This utility operations manual provides drawings and approved procedures for fire hydrant design, installation, and operation and maintenance practices. B. Gate valve (auxiliary valve) shall be: 1. Resilient seat type. 2. Epoxy coated interior. 3. Flange to flange or flange to M.J. as needed for installation. 4.
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