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解析:1.(1)N1回路:
PC16(2线):2.0+1.1+1.6+(3+0.1-1.3)×3=10.10(m)
PC16(3线):(3.0+0.1-1.5-0.45)+3.0+2.7+4.5+2.8+(3+0.1-1.3)+2.8+(3+0.1-1.3)+2.5+0.9+(3+0.1-1.3)+1.6+2.0+2.8+2.4+2.3+(3+0.1-1.3)+3.8×2+3.5=49.75(m)
PC20(4线):2.7+1.6+(3.3+0.1-1.3)=6.10(m)
PC20(5线):5.0+2.8=7.80(m)
小计:
PC16:10.10+49.75=59.85(m)
PC20:6.10+7.80=13.90(m)
BV2.5mm²:(0.35+0.45)×3+10.10×2+49.75×3+6.10×4+7.80×5=235.25(m)
(2)N2回路:
PC16(3线):(1.5+0.1)+1.9+3.6+4.0+6.5+3.0+4.5+2.7+(0.1+2.5)+5.4+(0.1+0.3)×14=41.40(m)
BV2.5mm²:(0.35+0.45)×3+41.40×3=126.60(m)
(3)N3回路:
PC16(3线):(1.5+0.1)+3.5+4.6+3.2+6.0+(0.1+0.3)×7=21.70(m)
BV2.5mm²:(0.35+0.45)×3+21.70×3=67.50(m)
(4)N4回路:
PC16(3线):(3+0.1-1.5-0.45)+5.3+(3+0.1-1.5)×2+2.0+(3+0.1-1.8)=12.95(m)
BV2.5mm²:(0.35+0.45)×3+12.95×3=41.25(m)
(5)N5回路:
PC16(3线):(3+0.1-1.5-0.45)+7.5+(3+0.1-2)=9.75(m)
BV2.5mm²:(0.35+0.45)×3+9.75×3=31.65(m)
(6)N6回路:
PC20(3线):(1.5+0.1)+5.1+(0.1+0.3)=7.10(m)
BV4mm²:(0.35+0.45)×3+7.10×3=23.70(m)
汇总:PC16:59.85+41.40+21.70+12.95+9.75=145.65(m)
PC20:13.90+7.10=21(m)
BV2.5mm²:235.25+126.60+67.50+41.25+31.65=502.25(m)
BV4mm²:23.70m
2.参见表3-Ⅲ-8-5。
3.实际完成PC16的工程量为200m,比原估算工程量150m超出50m,已超出估算工程量的15%,对超出的部分应调整单价。
按调整后的单价结算的工程量:200-150×(1+15%)=27.50(m)
PC16清单投标价:[62.50+4.8+62.50×(45%+15%)]×0.1+1.5×(1+6%)=12.07(元/m)
PC16分项工程结算费用:150×(1+15%)×12.07+[200-150×(1+15%)]×12.07×0.9=2380.81(万元)