Multiply costs in the Labor $ column by.50 to find your estimated cost. For example, notice on page 19 that the labor cost for installing a 6 gallon hot water heater is $17.60 each. If installed by your plumbing crew working at an aver- age cost of $17.50 per manhour, your estimated cost would be 50% of $17.60 or $8.80 per heater.
The DEWALT Plumbing Professional Reference is an essential resource for anyone working with plumbing systems. It covers everything users need to calculate water demand, find installation requirements, size pipes, size pumps, design drainage systems, and much more.