Sewer Sense No. 12
by NCPI, 2/1/1982
The voice of experience Testimonial letter from William F. Jones describing the advantages of using Clay pipe and the disadvantages of using flexible pipe. Pipe Design all things considered. Ten reasons why flexible pipe should be limited to 5% deflection. One reason why clay pipe needs no deflection limit. First under-building clay pipe layed in Los Angeles. Describes code changes allowing clay pipe to be installed in the building. Clay pipe shown to be cost effective. Newbould becomes President of WPFC.