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PLAINTIFF'S EXHIBIT
TECHNICAL CHANGE ORDER
APPUCA0I c to:
CertainleedH
A/C. Standard Product Specification Spec. #17
CorlninTeod Corporation Pipo and Plastics Group
OATE OF ISSUE:
FEB 1
198?
t.c.o. no.:
3
PAGE NO
1
OC8CftiPTION:
Storm Drain Pipe, Couplings and Accessories - East Coast
Purpose:
To withdraw the above product as a standard. The product was manufactured exclusively at Plant 258, which has now discontinued manufacturing operations.
Effective Date: January 1, 1982
i
Pisposition of Spec.:
Destroy Pages 1 -1A, 7/22/77. Plant 258 - Retain one copy with Q.C. records stored with plant records. Retain a second copy for Q.C. use until pipe inventory has been depleted.
CTD0A5473
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FORM P-6C34
TECHNICAL CHANGE ORDER
APPLICABLE TO:
CERTAIN-TEED PRODUCTS CORPORATION PIPE DIVISION CEHtiUNTaD
DESCRIPTION:
A/C Standard Product Specification Spec 17
OATE OF ISSUE:
T.c.o. no.:
PAGE NO.:
JUL 2 ? 1977
i
1
Storm Drain Pipe, Couplings, and Accessories - East Coast
PURPOSE:
To add specifications for an East Coast Storm Drain meeting the requirements of ASTM C-663. In most cases the machining dimensions of this pipe is such that existing couplings can be used.
The Fittings covered by this specification are Class III Fittings (2000D Load) only. Tees and Wyes are full or reduced one size. Storm Drain couplings shall be ordered from Riverside plant.
References
1. W. R. Blankenship letter to L. Z. Wilkins, "A/C Storm Drain Pipe," 8/27/75.
2. M.. R. Streepy letter to J. P. McGinley, "Storm Drain Pipe Ambler and St. Louis," 12/5/75.
3. M. R. Streepy letter to F. J. Law, "East Coast Storm Drain", 5/13/77.
EFFECTIVE DATE: Date of issue.
DISPOSITION OF SUPERSEDED PAGES:
No pages are to be destroyed. This new specification is to be added behind
spec 16.
prepared mr
CTD015475
APPROVED BTt
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SALES
l.E.
OTHERS
CONFIDENTIAL OOCUMENT - NOiTt. to ^BE DistributediTo unauthorized pcrsonn- -)&
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