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Bch 911.0/t610/t <br /> From: Collier, Reid R SPLC-STO/82 <Reid.Collier@shell.com> <br /> Sent: Monday,January 25, 202112:36 PM <br /> To: Bronson, Richard D SPLC-STO/384<richard.bronson@shell.com> <br /> Cc: Geijer,Theresa A SPLC-STO/65 <theresa.geiier@shell.com>; Guereca, Gotxon SPLC-STO/824<G.Guereca@shell.com> <br /> Subject: RE: Inspection reports <br /> Rick, <br /> Apologize for the delayed reply, I had to gather the information remotely and it took more time to gather the <br /> information for the response. <br /> After further looking into Tank 20's tank file and history, I noticed that there was a revision to the previously provided <br /> API 653 OOSI to the local agency from 2019. 1 have attached the revised API 653 OOS Inspection that captured the below <br /> snippet including the revised information around the settlement. The engineer from HMT evaluated settlement <br /> information for Tank 20 and revised the verbiage to reflect the below snippet. <br /> , 1 653 Out-of-Service Inspection Report <br /> for W O MM no <br /> Shell Tatting & Supply HMT InspecrW <br /> Tank No. 20 <br /> Stockton. CA June a0-13.20 19 <br /> Pa e 9 of 106 <br /> IINSPEOTION SUMMARY (CONT'D.) <br /> FOUNDATION (CONT-0.): <br /> ITEM F4 ! ACTION CODE C: The perimeter of the tank bottom his edge settlement rap <br /> to a 4.00-inch drop over a 35.25-inch distance from the shell in the worst area. The tank <br /> shell has settled significantly around the perimeter, resulting in deformation of the bottom <br /> plate near the shell-to bottom joint_ The elevation date indicates that edge settlernent <br /> exceeds the permissible criteria (ref. API 653, Annex B, Para_ B_ )_ Magnetic Particle <br /> (MT) testing of the internal shell-to-bottorn weld revealed zero (0) defects_ This edge <br /> sett€emerrt was last evaluated in 2009 by others. No significant changes in setden nt <br /> have occurred over this I D-year period. Daring the 2009 inspection. IwIT of the internal <br /> shell-to-bottom weld was performed with zero (0) defects noted. Tank bottom edge <br /> settlement should be re-evaluated during the next interna! inspection interval. <br /> If there are any further questions, please let me know. <br /> Thanks, <br /> Reid Collier <br /> Regional Tank Lead <br /> Shell Trading&Supply <br /> 20945 S. Wilmington Ave <br /> Carson, CA 90810 <br /> Office: (310) 816-2096 <br /> Cell: (310) 961-7733 <br /> z <br />