1.

For sanitary and water supply works, what percentage of the estimated cost of the building works are usually provided in an estimate?

A. 8% for sanitary work and 7% for water supply work
B. 8% for sanitary work and 8% for water supply work
C. 7% for sanitary work and 8% for water supply work
D. 7% for sanitary work and 7% water supply work
Answer» C. 7% for sanitary work and 8% for water supply work


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