Progressive Hose Lay 7
Progressive Hose Lay 7 : A method of deploying hoses along firelines during suppression and as they are built and reinforced, typically using 1 1/2-inch supply lines, gated wyes and 1-inch lateral lines with nozzles (or at least spigot valves) every 100 feet or so. As the line progesses, more hoses and valves are added
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