In over 70-years of research and publication, NCPI has amassed an extensive library. The papers and articles available here include our most referenced materials. If you don’t see what you’re looking for, please follow the links at the bottom of the page to see a more extensive listing of materials or use the search tool at the top of the page.
A brochure for tips on laying VCP with English and Spanish translations.
Procedures and Tables Based on ASTM C828: Standard Test Method for Low-Pressure Air Test of Vitrified Clay Pipe Lines
Presented at ASCE Pipelines, 2014
Testing on bedding practices that don’t include haunching reveal voids and call the assumption of uniform haunch support into question.
Presented at ASCE Pipelines, 2013
CLSM as a structural bedding material for VCP.
Optimal mixes, methodologies and resultant safety factors are discussed.
A Guide to Analyzing Televised Inspection
from Midwest Journal of Trenchless Technology, 2016
120 year old clay pipe proves VCP durability.
from Trenchless Technology, 2016
Only VCP can document more than 200-years of service in the U.S. “It is unwise to pay too much, but it worse to pay too little.”
from Water Finance & Management, August, 2016
Why would an industry advocate price-only legislation for engineering projects? The greatest long-term ROI favors consideration of all material properties.
from Municipal Sewer & Water, August, 2014
Choosing the right materials requires an understanding of the conditions and strengths and weaknesses of each material.
from Water Utility Infrastructure Management, December, 2014
In the city of Tyler, Texas, a recently completed sanitary sewer project illustrates the water utility's desire for both quality and value.
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