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<br />.1 <br />'I <br />, <br />~I <br />I <br />I <br />II <br />I <br />II <br /> <br />I <br /> <br />! <br />I <br />II I <br /> <br />I <br />! I <br /> <br />1 <br /> <br />III <br />':\ I <br /> <br />1,\ <br />ii <br />II <br />i! <br />i] <br />!\ <br />II <br />'I <br /> <br /> <br />CITY OF GREENWOOD VILLAGE <br />STORM DRAINAGE DESIGN AND TECHNICAL CRITERIA CODe <br /> <br />TABLE <br /> <br />10 <br /> <br />STORM SEWER ALIGNMENT <br />AND SIZE CRITERIA <br /> <br />Maximum Manhole Spacing <br /> <br />Vertical Dimension <br />~~.p.e.Jl!.tche.~ <br />15 to 36 <br /> <br />42 and Larger <br /> <br />Maximum Allowable Distance <br />Between Manholes and/or Cleanouts <br /> <br />400 Feet <br /> <br />500 Feet <br /> <br /> Minimum Radius For Radius Pipe <br />Diameter of Pipe Radius of Curvature <br />24" to 54" 28.50 ft. <br />57" to 72" 32.00 ft. <br />78" to 108" 38.00 ft. <br /> <br />Short radius bends shall not be used on sewers <br />21 inches or less in diameter. <br /> <br />Minimum Pipe Diameter <br /> <br />~ <br /> <br />Minimum equivalent <br />pipe diameter <br /> <br />Minimum cross- <br />sectional area <br /> <br />~Iain trunk <br /> <br />18 in. <br /> <br />1.77 sq. ft. <br /> <br />*Lateral from <br />inlet <br /> <br />15 in. <br /> <br />1.23 sq. ft <br /> <br />*Minimum size of lateral shall also be based upon a water surface <br />inside the inlet or a minimum distAnce of 1 foot below the grate <br />or throat <br /> <br />WRC, INC. <br />Sept. J 982 <br /> <br />REFERENCE: "Urban Storm Drainage Criteria Manual" <br />DRCOG, 1969 <br />