In some areas PVC pipe may be used in exterior buried piping systems. ... When all vertical drain and vent lines and fittings on the riser diagram are listed, take-off the pipe line lengths and fittings on the plans. ... for the sanitary system.
|Title||:||Estimating Building Construction|
|Author||:||William J. Hornung|
|Publisher||:||Prentice Hall - 1986-01-01|