1.配管计算
(1)DN20暗配工程量计算(三线)
N1:(5-1.5-0.3)+1.5+2+3×9=33.7m
N2:(5-1.5-0.3)+4+3×6+2+3+3+(5-4)+2+(5-4)+(5-1.3)+2+2+(4-1.3)=47.6m
DN20合计:33.7+47.6=81.30m
(2)DN25暗配工程量计算
四线:N1:0m;N2:2+3×3+1.5+(5-1.3)=16.2m
五线:N1:2+1.5+(5-1.3)=7.2m;
N2:8+(5-1.3)+2=13.7m
小计:7.2+13.7=20.9m
DN25合计:16.2+20.9=37.1m
2.配线计算
BV2.5mm^2:(0.5+0.3)×3×2+81.3×3+16.2×4+20.9×5=418m
3.接地母线:(5+5+2+1+0.7+1.5+0.5)×1.039=16.31m

综合单价计算过程
(1)配电箱:144+85.98+144×(50%+30%)+300=645.18元/台
(2)格栅荧光灯:[243.97+53.28+243.97×(0.5+0.3)]×0.1+120×1.01=170.44元/套
(3)单管荧光灯:[173.59+53.28+173.59×(0.5+0.3)]×0.1+70×1.01=107.27元/套
(4)半圆球荧光灯:[179.69+299.6+179.69×(0.5+0.3)]×0.1+50×1.01=112.80元/套
(5)单联单控开关:[68.00+11.18+68×(0.5+0.3)]×0.1+12×1.02=25.60元/个
(6)双联单控开关:[71.21+15.45+71.21×(0.5+0.3)]×0.1+15×1.02=29.66元1个
(7)三联单控开关:[74.38+19.70+74.38×(0.5+0.3)]×0.1+18×1.02=33.72元/个
(8)接线盒:[36+53.85+36×(0.5+0.3)]×0.1+27×1.02=14.62元1个
(9)开关盒:[38.41+24.93+38.41×(0.5+0.3)]×0.1+2.3×1.02=11.75元1个
(10)φ25配管:[679.94+144.68+36.5+679.94×(0.5+0.3)]×0.01+8×1.03=22.29元/m
(11)BV2.5配线:[79.99+44.53+79.99×(0.5+0.3)]×0.01+2.2×1.16=4.44元/m
(12)Φ20配管:[471.96+83.65+35.68+471.96×(0.5+0.3)]×0.01+6×1.03=15.86元/m
(13)角钢接地极:[14.51+1.89+14.32+14.51×(0.5+0.3)]+42.40×1.03=86元/根
(14)接地母线:[71.40+0.90+2.10+71.40×(0.5+0.3)]×0.1+6.30×1.05=19.77元/m
(15)接地电阻测试:30.00+1.49+14.52+30.00×(0.5+0.3)=70.01元/组