Underground Construction - August 2020 - 14

A trenchless clay pipe application.

Clay Pipe Gets Better with Age
In a World of Plastics, Clay Pipe Still Stands Out
Jeff Griffin | Senior Editor

Most people involved in utility
construction know clay pipe has been
around for a long time - thousands of
years, in fact, beginning in 4000 B.C.
in Babylonia. It has been used in the
United Kingdom since the late 1600s.
Vitrified clay pipe (VCP), first used in
the United States more than 200 years
ago, continues to be widely used today.
Primarily application is for gravity sanitary
sewer systems installed by cut-and-cover
14

AUGUST 2020 | UConOnline.com

construction, but it also can be installed by
trenchless pipe jacking, slurry microtunneling, pilot tube guided boring, and static
pipe bursting.
Those who think advances in plastics
have made clay pipe obsolete might want
to reconsider.
"Over the last several years, the demand
for VCP has increased due to a strong
economy, plus new market areas," said
Jeff Boschert, P.E., president of National

Clay Pipe Institute (NCPI). "Manufacturers
today are running close to their capacity, as
well as building new kilns to keep up with
the demand trend."
Boschert believes two factors help drive
that trend: VCP offers the longest service
life of any pipe material available, and it
has the durability to withstand the most
aggressive methods of cleaning. Other
factors combine with these two, to make
VCP the best, most cost-efficient pipe for


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Underground Construction - August 2020

Table of Contents for the Digital Edition of Underground Construction - August 2020

Contents
Underground Construction - August 2020 - FC
Underground Construction - August 2020 - IFC
Underground Construction - August 2020 - Contents
Underground Construction - August 2020 - 4
Underground Construction - August 2020 - 5
Underground Construction - August 2020 - 6
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