Welcome to John’s Blog. Answers to frequently asked questions are periodically posted here. The objective is to share information about PVC pipe with readers as well as with utilities, design engineers and pipe installers. The blog provides the latest information on PVC pipe design, installation, and application for water and wastewater infrastructure projects.
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John Houle: Senior Technical Consultant, PVC Pipe Industry
John Houle holds a Master’s Degree in Civil Engineering from the University of Missouri and an MBA from the University of Oregon. He has more than 25 years of experience in the plastic pipe industry in applications engineering, market development, forensic analysis, technical writing, and standards development.
Comparison of PVC and fiberglass large-diameter sewer pipes.
Revisions to PVC sewer-pipe standards require updates to utility master specs as well as project specs.
Molecularly Oriented PVC Pipe — PVCO: light-weight, thinner-walled alternative with the same pressure capacity as thicker-walled PVC pipe.
Recent hydraulic research on new and in-service PVC pipe has confirmed that industry-recommended flow coefficients are conservative for design of pressure and non-pressure pipes.
New online calculator for PVC sewer force mains uses project parameters to calculate expected cyclic life and determine the appropriate DR for projects.
Guide for PVC sewer force mains uses recently developed method for cyclic-fatigue design.
Calculator for designing PVC pipe for internal pressures.
Calculator for designing PVC pipe for earth and live loads. Users input soil and pipe parameters to calculate deflections.
Find out how to objectively evaluate sustainability and environmental claims for underground infrastructure.
PVC pipe’s organotin stabilizers — not a health concern.
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