Document EvdLK230X93jr6r3XQ4O6K0VV

PLAINTIFF'S EXHIBIT TECHNICAL CHANGE ORDER APPLICABLE to: CertairileedEI CertainTeed Corporation Pipe and Plastics Group A/C Standard Purchasing Specification Spec. #559 DATE OF ISSUE! MAY 1 6 1980 T.C.O. NO.' 3 PAGE NO.: 1 description: CG-S Sewer Rings For Use With FLUID-TITE CG-S Sewer Pipe and Couplings Purpose: To delete this specification. Standard 15" and 21" are now FLUID-TITE and are covered by A/C Standard Purchasing Specification #531. Effective Date: Date of Issue. Disposition of Superseded Pages: CTD014933 This specification is now obsolete. * Destroy all pages of this specification in your A/C Standard Purchasing Specification book. Destroy page 2 of the Index to the Spec, book dated Jan. 9, 1980, and replace with the attached page. * Q.C. Engineers to retain a copy of this specification for future reference. RECEIVED MAY 1 4 1980 02- PREPARED BY: & APPROVED BY: V R aD MFO. M BALES I.E. (pta^j-12/78 CONFIDENTIAL DOCUMENT NOT TO BE DISTRIBUTED TO UNAUTHORIZED PERSONNEL OTHERS