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新手水电工｜如何计算消防水系统，室内管道工程量，虽复杂但全面
计算消火栓水系统管道工程量，室内外界限划分规定，消防系统室内外管道以建筑物外墙皮1.5m为界；消火栓栓口中心离地面为高度，按图纸说明应为，消火栓栓口距地面或楼板面1.10m。
给排水识图与算量，新手施工安装小技巧12/42
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