San Francisco water . to deliver thewater that is all-important in the work offighting fires. It is not enough that Spring Valley mustfurnish forty million gallons of water everyday for ordinary uses, sufficient to floodUnion Square to a depth of fifty feet. TheCompany must also stand ready to supplywater to all the fire apparatus that can beconcentrated at a fire. This use may be ashigh as one million gallons per hour, allsupplied to as small a space as a city block. The use of such quantities in small areasmakes much larger distributing mains neces-sary than would be required for domesticcon
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San Francisco water . to deliver thewater that is all-important in the work offighting fires. It is not enough that Spring Valley mustfurnish forty million gallons of water everyday for ordinary uses, sufficient to floodUnion Square to a depth of fifty feet. TheCompany must also stand ready to supplywater to all the fire apparatus that can beconcentrated at a fire. This use may be ashigh as one million gallons per hour, allsupplied to as small a space as a city block. The use of such quantities in small areasmakes much larger distributing mains neces-sary than would be required for domesticconsumption only. In some of the rapidlygrowing outlying districts the domestic sup-ply is taken care of without complaintthrough two-inch pipe. The mains, however, are inadequate for supplying a fire-engine, and will have to be replaced as soon as possi-ble with six- or eight-inch pipe. A typicalblock in the Sunset District, solidly builtupon, containing forty-eight houses, willdraw water at a rate not to exceed two hun-. This beautiful structure, at Eleventh and Bryant streets, San Francisco, is the Drill Tower of the Fire Department