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Last modified
2/16/2024 9:57:58 AM
Creation date
2/16/2024 9:46:04 AM
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Planning Files
Planning Files - Planning File #
1877
Planning Files - Type
Planned Unit Development
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TABIE 1 <br />ESTIMATED STORM WATER FLOM FOR <br />EPAINAGE TO SOUTHEAST OF SITE <br />Time of <br />10-yr 24hr Storm <br />100-yr 24 hr Storm <br />Area Curve Concentration <br />(Acres) Number <br />Runoff Peak Q <br />Runoff <br />Peak Q <br />(Hours) <br />(In) (cfs) <br />(In) <br />(cfs) <br />Existing Conditions <br />10.8 49 1.68 <br />0.39 1 <br />1.07 <br />3 <br />Proposed Conditions* <br />19.0 70 0.27 <br />1.53 30 <br />2.81 <br />57 <br />*No ponding is accounted for. On -site pording will be utilized to <br />reduce <br />peak discharge rate to required level. <br />22.a.2 Sanitary Waste Water <br />Municipal sewer service exists on <br />the south side of <br />the site in <br />Minnesota <br />Avenuf. Zhere is a 12" diameter <br />VCP sanitary sewer <br />with a pipe <br />full flow <br />capacity of 1.73 CFS adjacent to <br />the site. n-is sanitary sewer <br />ex"Ids <br />north from Minnesota Avenue in an <br />easement along the <br />east side of <br />the site <br />to Lovell Avenue. This segment of <br />sanitary sewer is a <br />10" diameter VCP with <br />a pipe full capacity of 1.73 CFS. <br />The =Ucipal sewer in Minnesota Avenue flows west to Dale Street and <br />eventually connects to the Metropolitan Waste Control Commission's <br />interceptor sewer at the intersection of Lovell Avenue and St. Albans. At <br />. Point rrtt the interceptor sewer is a 480' diameter RCP with a pipe fill flow <br />capacity of 32.9 MD. Based on discussions with the Metropolitan Waste <br />3 <br />
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