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DRAINAGE CALCULATIONS <br />I <br />PROJECT TITLE: <br />1 • -----' --- <br />PROJECT NUMBER: <br />DESCRIPTION OF WORK: <br />------------------ <br />I Foothill Sa?i]ary Landfill REFERENCIE DRAWING:,DWG #1 I j_ -~Nl'~RIOD:i100 YR ---,-,-, ___ :C:LCULATIONS BY _ __!GB--=-Ji:TE~-~:~:oio---+-----+--1----------~--·---~---~----1 ,---/-., -+-==" :~H_E~KED~ __ !. ----1F_C__ --1DAT~--17/27/20_1_0 <br />1DRAl,NAGE CALCULATIONS l '-•---- <br />J <br />DESIGN DAA!NAGE RUNOFF C>A SUM(A) COMP OVERLAND GUTTER/CHANNEUCONDUIT TRAVEL TIME RAINFALi DESIGN COMMENTS (sc<e oll\ached (c1ble~) <br />PO!NT 1.0.# AREA COEFF COEFF LENGTrl SLOPE LENGTH SLOPE I MANNl1'G VELOCITY OVERLAND INTENSITY I DISCHARGE DEPTH I VELOCITY <br />FLOW _ C~NNE....h 1-_ CCNC 0 <br />VOLUME (Dn LF Surl8Cc') I CONDUIT Tc <br />20m1nassumed Tp <br />(acres) (acras} (acres) (feet) (fVftJ (Jee:) (ttif!) (feet) (/:/sec) (mini (mm,) (IT'1'1.) (in/hour) (cfs) (feet) {ftlsec) <br />Sta.OWest <br />01 A1 0.4 20.0 20 <br />Sta 0. <br />02 A2 0.4 53.2 200 1064 <br />Stoa <br />03 A3 27.3 0,4 "10,9 2C.O 20 21,8 <br />Sta44+58 <br />04 79.6 <br />Sta44,+.SB 4458 110cis 14 138.7 (Max.) <br />as 60 200 2.0 119 <br />S!a66 .. 42 2CO <br />06 A6 0.4 2.0 <br />Sla93 .. 01 117.7 12.4.0 (Mnx) <br />07 A7 0.4 360 200 20 <br />STA: 93+01 West 1487 1.330 <br />StaQEasl <br />08 200 2.0 229 <br />Stao <br />09 1296 0.4 51.8 20.::l 2,0 <br />Sta36+23 <br />010 A10 0.4 200 <br />Sta36,+.23 <br />011 10.S 4.2 20,0 2.0 <br />STA:36+23 East 77.9 20.0 20 155.C (Max). 133cfs for 3 Area~ <br />012 To Pond 20.600 0.400 8.2 20.0 2.0 <br />Sta52+82 <br />01' 21.100 21.100 0.4 8.4 200 <br />S!a 75+58 <br />Q14 10.700 10.700 0.4 2.0 <br />Sta75,+.5S <br />015 13.100 13.100 0.4 5.2 2,0 <br />Sla75+-58 <br />Q16 41.600 41.600 I 0.4 16.6 200 33.3 <br />Sta75+58 <br />STA:75+58 East 34.6 69.0 (M<1~.)