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02/05/2005 18: 18 2094654QP8 HMC HENDERSON MoINT PAGE 01/01 <br /> "M,101',�I d , r'. Sr -rJ• , ... -,Y.' I <br /> �ll�,, • <br /> iUUU <br /> 1 • <br /> HMC <br /> R .. <br /> Hendenon Maintenance Company <br /> l PO Box 31325 <br /> Stockton. CA 95213 <br /> (209) 467-7573 Fax: (209) 465-4988 w-w-vv.StationRepair.com <br /> ii <br /> ' Fax Transmittal <br /> s <br /> To: (209)468-3433 From: <br /> San Joaquin County EHD Wayne Henderson <br /> ATTN:Willy Ng Phone,(209) 467-7573 <br /> Fax: (209) 465-4988 <br /> P i Wayne@Stat.ionRepair.com <br /> Pl.case Reply: Date: 8/28/06 <br /> Total Pages: (Including cover) 1 <br /> REF: A-1 Gas and Food <br /> 547 W Granttine <br /> Tracy, CA <br /> .r: <br /> F <br /> Willy, <br /> I was not aware of the flex piping onsite. The LLD used will be VMI 99 LD-2000/E <br /> 99 LD-20001E j <br /> In the early 1990's, the first commercially successful flexible pipe,Total Containment PP-1500,was introduced <br /> to the U. S, petroleum industry. Due to the flexibility of this pipe system, no line leak detection would work. <br /> In 1992,the VMI 1-0-2000\E was certified for 3 GPH @ 10 psi on Total Containment PP-1500 pipe. The <br /> 99 LD-2000\E is still required for existing PP-1500 pipe.Additionally,today the 99 LD-2000\E is used in <br /> sites that have the same line characteristics as the LD-2000\E was originally certified for,even though the <br /> i; <br /> pipe is different.The original certification of the L0-2000\E concerned the bleed-back modulus of PP- <br /> 1500 pipe.Today, lines with high bleed-back(generally above 600 ml.)and high head pressure may <br /> require the 99 LD-2000\E to pass a field test for annual certification. Consult with factory before ordering j <br /> and installing the 99 1-0-200ME. p <br /> Thanks, i <br /> Wayne Henderson <br /> y <br /> iw <br />