SS9301-CS 930707KENKO
July 7, 1993
City of Coppell
255 Parkway Boulevard
Coppell, TX 75019
Attn: Mr. Ken Griffin, P.E.
Re: Grapevine Creek Sewer Trunk Main - Branch I
City of Coppell, TX
Kenko Job #9306
* Additional mico-tunnel O Sra. 83+24 to Sta. 89+13
Dear Sirs:
In response to your request, the following are costs involved
in changing the sewer on the referenced project from Station 83+24
to Station 89+13 to micro-tunnelling in lieu of open cut.
Add:
589 Linear Foot Micro-tunnel @ $155.00/lf $ 91,295.00
589 Linear Foot 30" FBRGLS Pipe ~ $115.00/lf 67,735.00
Subtotal (Add) $159,030.00
Delete:
589 Linear Foot 2610-4 30" PVC
(20'-25' Depth) ~ $98.00 $ 57,722.00
Subtotal {Delete) $ 57,722.00
Net Change Add $101,308.00
If this is approved, please forward the appropriate
Change Order. Please call if you have any questions.
~ee~erely'
Kenko, Inc.
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