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Ex��3iT Z �a- �CITY OF STOCKTON A;P DEPARTMENT OF MUNICIPAL UTILITIES \ - . 2.500 NAVY ORtVE STOCKTON,CA 95206-'1 '1 19 .., . . - - �(� - �ii - , rte. t 12091 93 7$FJ _ - - . .. 7. it4s r I-, :.k. .- .. FAX 1209]9-7-5709 �� ri,yv • October 12, 1994 i•_., i'-`,; C. Chance Wong Wong Engineers, Int. 4578 Feather River Drive - Suite A Stockton CA 95219 EYTENSION OF WATER LINE Pi ILSRL AN ROAD In response to your letter of September 30, 1994, I asked Mark Madison, Senior Civil Engineer, to evaluate the ability of the existing system to provide water, in sufficient quantities and pressure, to the proposed project located 6,400 linear feet from Mathews Road. Mr. Madison used a slightly lower "C" factor which is more representative of conditions that will result from several years of use and are consistent with what we have used for past analysis. His calculations show a flow of 1,730 gpm at 20 psi. The extension of the 12-inch line in Harlan Road, without looping the line or constructing additional production facilities or storage, raises some concerns. If the design of the water facilities utilizes the City of Stockton criteria for commercial development, the 1,730 gpm or 2,100 gpm that you calculated would not meet the minimum 3,000 gpm requirement for fire flows. This would place the Water Utility in a position of weakening its rating for fire insurance purposes. I am not willing to do that without direction from the City Manager's office or an agreementwith French Camp Fire Department and the City of Stockton Fire Department. As we discussed in our telephone conversation of October 6, 1994, the location of this facility is adjacent to the point where a 12-inch water main is planned to be tun from Harlan Road to McKinley Avenue. This line would be required as part of this development if the flow concerns are mitigated. If you have any questions you can call me at 937-3701, or Mark Madison at 937-3732. MORRIS L. ALLEN DIRECTOR OF CIPAL UTILITIES ED FORMOSA DEPUTY MUNICIPAL UTILITIES DIRECTORIWATER & COLLECTION SYSTEMS EF:cjh cc: Mark Madison. Se or Ciyil E��eer bcc: I�ee mn�nQer Comyin I)dvelopment onn c eV, Fire rshal `•STOCKTON_CAUFORNIA'S SUNRISE SEAPORT"