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解析:1.计算卫生间给水管道安装项目分部分项清单工程量:
(1)dn63PP-R塑料管直埋:3+0.15=3.15(m)
(2)dn50PP-R塑料管直埋:(2.20+2.90-0.15-0.15)+(0.80+0.80)=6.40(m)
dn50PP-R塑料管明敷:(14.6+1.3)+(11+0.4)=27.30(m)
(3)dn40PP-R塑料管明敷:3.60+3.60×2=10.80(m)
(4)dn32PP-R塑料管明敷:3.60+3.60=7.20(m)
JL1支管:[(1.50+4.50-0.15×2)+(0.70+0.90-0.15)+(1.30-0.8)]×7=53.55(m)
JL2支管:[(0.90×2+1.15)+(0.80-0.40)+(0.70+0.90×2)]×7=40.95(m)
合计:7.20+53.55+40.95=101.70(m)
(5)dn20PP-R塑料管明敷:[(1.3-1.0)+(2.20-0.15-0.30)+(0.90+0.50-0.15)]×7=23.10(m)
2.参见表3-Ⅱ-9-4。
3.dn40PP-R室内明敷塑料给水管道安装综合单价=[158.00+85.00+15.00+158.00×(60%+30%)+10.16×12.00+10.81×5.00]÷10+[345.00+110.00+25.00+345.00×(60%+30%)]÷100+[60.00+20.00+10.00+60.00×(60%+30%)]÷100=67.97(元/m)