Underground Construction - February 2021 - 28
Large-Diameter PCCP Installation
in Louisville
Jeff Griffin | Senior Editor
In Kentucky, the Louisville and Jefferson
County Metropolitan Sewer District (MSD)
has undertaken Project WIN (Waterway
Improvements Now), a complete sewer
improvement program to bring the MSD's
system in compliance with Environmental
Protection Agency standards of the federal
Clean Water Act.
An important element in the WIN
program was the Lexington and Payne
combined sewer overflow (CSO) interceptor
28
FEBRUARY 2021 | UCONonline.com
that included installation of 4,339 linear
feet of prestressed concrete cylinder pipe
(PCCP). With pipe diameters ranging from
36- to 102-inches, the line conveys CSO
into an underground tunnel for storage until it can be pumped to the Morris Forman
Wastewater Treatment Plant.
Hazen and Sawyer designed the project,
Garney Construction was the primary
contractor, and pipe was manufactured by
Thompson Pipe Group.
Alignment of the interceptor sewer is
within and along the South Fork of Beargrass
Creek, from East Broadway to East Main
Street, in the Germantown area of Louisville.
As part of the collection of the CSOs, the
scope of work included installation of the
gravity flow pipe for six junction structures,
seven control and diversion structures/
vaults, and electrical utility services.
" Surface conditions along the route, "
said Jeff Seal, Garney director, " included
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Underground Construction - February 2021
Table of Contents for the Digital Edition of Underground Construction - February 2021
Contents
Underground Construction - February 2021 - Cover1
Underground Construction - February 2021 - Cover2
Underground Construction - February 2021 - Contents
Underground Construction - February 2021 - 4
Underground Construction - February 2021 - 5
Underground Construction - February 2021 - 6
Underground Construction - February 2021 - 7
Underground Construction - February 2021 - 8
Underground Construction - February 2021 - 9
Underground Construction - February 2021 - 10
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Underground Construction - February 2021 - 28
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Underground Construction - February 2021 - Cover3
Underground Construction - February 2021 - Cover4
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