noun
construction cost
Refers to the total expense of building or engineering work, including materials, labor, and equipment.
新しい橋の工費は予想以上にかかった。
The construction cost of the new bridge was higher than expected.
工費を抑えるために、設計を見直した。
We revised the design to keep construction costs down.
Compound of 工 (こう, 'work, construction') and 費 (ひ, 'expense, cost').