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M S TO*g»..JBSTAIMi ROTES The following recommendations are baaed on standard fir© protection requirements for your city. Shay are designed to aid officials in planning future Improve­ments. It is not expected that all of these suggestions Can be completed immediately, bat definite plans should be made for continued steady Improvement. Those marked with an asterisk {*) are of greatest importance at this time, and their early adoption is strongly urged. IT IB RECOMMENDED: WATER SUPPLY 1* That records and plans of all structures and oper­ation of the system be kept complete, in detail, up to date, in convenient form, in duplicate, and safely filed. *2. That additional mains be installed to the mercantile district: these mains to be of adequate size and so lo­cated as to concentrate full required fire flow to any part of the district during any five day period of maxi­mum daily consumption conditions. Required fire flow for Las Vegas in its present stage of growth will be 5-,?50 g.p.m. in the principal mercantile 500 district and to 2500 g.p.m, in residential and apartment districts according to size, construction and spacing of buildings, 3* That arterial, lateral and gridiron mains be laid in proper Xoc&tl ns and of adequate size to concentrate in any section of town the fire flow required for that dis­trict, and distribution mains supplying hydrants, in gen­eral, be 6-inch, in no c&se less than 5-inch, and fully circulating and cross connected at frequent intervals. h. That gate valves be so located that any single break, accident, or repair will not necessitate shutting from service a length of pipe greater than 500 feet in the mercantile or high value district, or §00 feet elsewhere, and will not necessitate shutting down an artery. # 5. That standard hydrants with 6-inch barrel and 6-inch gated connection to street main be used in all cases. *6. That sufficient hydrants be installed to provide a maximum distribution of one hydrant for each 120,000 sq. ft. of built-up area.