1.(本小问共13.0分)
(1)WL1:
PC20: (3.3-0.45-1.8) +2.2+2.6×2+4×6=32.45m (1.0分)
PC25:1.2+ (3.3-1.3) =3.20m (1.0分)
BV2.5mm
2:32.45×3+3.2×4+ (0.3+0.45) ×3=112.40m (1.0分)
(2)WL2:
PC20: (3.3-1.8-0.45) +2.4+2.7+1+ (3.3-1.3) =9.15m (1.0分)
BV2 5mm
2:9.15×3+ (0.3+0.45) ×3=29.70m (1.0分)
(3)WL3:
PC20: (3.3-1.8-0.45) +2.9+4.9+1.6+ (3.3-1.3) =12.45m (1.0分)
BV2.5mm
2: 12.45×3+ (03+0.45)×3=39.60m (1.0分)
(4)WL4:
PC25: 1.8+6.2+12.1+0.3×3-21.00m (1.0分)
BV4mm
2: 21×3+ (0.3+0.45) ×3=65.25 (1.0分)
(5)汇总:
PC20:32.45+9.15+12.45= 54.05m (1.5分)
PC25:3.2+21=24.20m (0.5分)
BV2.5mm
2:112.4+29.7+39.6=181.70m (1.5分)
BV4mm
2: 65.25m (0.5分)
2. (本小问共12.0分)
3. (本小问共2.5分)
4.(本小问共12.5分)
人工费: 64.8÷10+4.3×(2÷40)=6.70元(0.5分)
辅助材料费: 5.1÷10+0.9×(2÷40)=0.56元 (0.5分)
主材费: 20×1.06+10×(2÷40)×1.02=21.71元 (0.5分)
管理费和利润: 6.70×(45%+15%)=4.02元 (0.5分)
综合单价: 6.48+0.51+21.2+3.89=32.99元/m
2(1.0分)