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0 0 <br /> MLA R C H I T E C T U R E • E N G I N E E R I N G • E N V I R O N M E N T A L S E R V I C E S <br /> G izo u i, INC. 3001 Douglas Boulevard, Suite 210, Roseville, CA 95661 Telephone: (916) 771-2555 Facsimile: (916) 771-9255 <br /> February 11, 2005 2005FE814 p�yl2 .1 <br /> John W.Johnson S 4 tj J , . O <br /> Co-President WE0iviRp KiCMichelle LeaUhj�-Y <br /> Architect <br /> San Joaquin County AL ry Dp4T HENT <br /> Environmental Health Department <br /> Brian E Zita 304 Weber Street,Third Floor <br /> Co-President Stockton, Ca 95202 <br /> Architect <br /> RE: Conoco-Phillips Diesel Addition <br /> John B. Hicks 8606 Thornton Road <br /> Vice President Stockton, Ca <br /> Dear Michelle: <br /> Regional Managers I am writing in regards to our telephone conversations and comments you have concerning the phase <br /> Jesse E. Macias II vapor return piping at this site. <br /> Roy W. Pedro your department is requesting confirmation that the existing underground phase II yr line from the <br /> Alan K Shimabukuro tank being converting from gasoline to diesel has the proper direction of slope toward the tanks that <br /> John W. Strobel will continue to store gasoline. <br /> Per our conversations,we propose to test for the proper slope by introducing a small amount of <br /> liquid,preferably water, into the connection point of the yr line at the converted diesel tank and see if <br /> it drains to the point of connection at one of the remaining gasoline tanks. Per the drawings supplied <br /> by Conoco-Phillips, this test should be able to be performed within the containment sumps of the <br /> tanks. <br /> It is our understanding that if the piping does not have the proper direction of slope, it will be <br /> necessary to remove the length of piping between the converted diesel tank and the adjacent gasoline <br /> WMM�MWIM tank. <br /> Notes will be added to the construction sets of drawings directing the contractor to perform this test <br /> in the presents of an environmental health inspector. <br /> If you have any questions or comments,please feel free to call me at(916) 771-2555. <br /> Res ctfully, <br /> DESIGN OUP,INC. <br /> Offices <br /> Craig M ensen <br /> ANAHEIM, CA Job Captain <br /> BELLEVUE, WA <br /> CAMAS, WA <br /> MARTINEZ, CA <br /> PETALUMA, CA <br /> ROSEVILLE, CA <br /> SCOTTSDALE, AZ <br /> \\SACT\SYS\PROJECT\A-B-C-D\CONPHL\CON04140.0\DOCS\EH Response 2-10-05.doc <br /> www.rhldesign.com <br />