- Unified adjustment:
Section 04000 of BOQ: "Item drainage"
+ The circular reinforced concrete culvert D750 04300-01
04300-02 + The circular reinforced concrete culvert D1000
+ The circular reinforced concrete culvert D1250 04300-03
04300-04 + The Sewer D1500 circular reinforced concrete
Section 06000 of BOQ: "Concrete"
+ The precast concrete piles 06200-2 400x400 mm
+ The precast concrete piles 06200-3 450x450 mm
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