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From: LARRY SHEPHERD To: Steve Sassan Date: 7/21199 Time: 8:28:38 AM <br />07/20/99 1S: 83 FAI 310 985 2380 CE DEPT CSMB <br />MEMORANDUM <br />TO: Larry Shcpard <br />C.L. Bryant <br />FROM: I mh plecnik <br />Consultant <br />1890 San Anseline <br />Lang $etuch, CA 90815 <br />(552) 985-4406 �. <br />DATE: .Poly 201, 1999 "'r <br />SUBJECT: Inspection of a Fiberglass Tank in Tracey, California, Which May .Have Minor <br />Cracking ofthe Primary Shell, on duly 22, 1999 <br />Awed on past inspection of tan with these types of problems, and theoretical <br />calculations fow prea sure applied in the annulus region only, the inos.1 likely damage is <br />circumferential cracking at the rib locations and localized cracking at the lacation of'Ihe nodes. <br />Hence, the purpose of the inspection will be to deterpine the type of cracking patterns and their <br />extern over the surface area of the primary tank. Based on this inspection, recommendations will <br />be provided As tip the feasibility and mature of the repair process. <br />Page 3 of 7 <br />Z01 <br />