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HomeMy WebLinkAboutB3-898 PIPE CALCULATIONS.PDFW& , __ " I 0 As W-inclosed C3 under separate cover requested W 1�^DMQ nt:Qr-PIPTICIN Specifications 0 Cut Sheets 0 Change Order 9--"'For Approval 0 For Your Signature f7ll Approved or Review and Comment 0 Approved As Noted 0 Returned After Loan to Us "g ao in 01170909M Signed: - 82ET-_322-_12_ _74, ph-. 828-322-7356, fax email: abeearchitectpa@earthlink.net Dallas C, Abee, Jr., AIA, NCARB 260 First Ave,, N.W.-RO. Box 2008, Hickory, NC 28603 FPQtIls , C,EE h111. 704 CK F ial Channel Whod k4om"'ll Fomu Solve for C4iannof Depth kvtm Deft ----------- hkwvwvocook 0.012 023000 W Ch*nn*jftp* cylan""r 10,0 m qp 2,10 Ole Depth Flow AV" 0.3 WX V~ P*?*T* 1. 11 T*p VAdth 0,00 A DOW aso Pwwt Fas SCS c,rw&i slope aclossO AA VOOORY SM ft viecoty H"d mr3 It $P*Cmo Ltn"� 1,19 It Frou" Nwrltw 1.9v mwd� Dille � 3,47 C* OWW" Ft* Sk** FUN 0,007ne Fmw Type wporciftei N I 40� 15 --�W4 02:40PI'l F2 FROM ; R,CPRRCLL WJ_"JPMS.P,E, PHONE NC. : -704 727 6792 j�4­t. 15 2a&' 02:39PM PI K. Carroll Williams, P. V­ Consulting Engineer I)esign - Water -Sewer - I)rstnage - Erosion 490 North Center St Hickory, North Carolina 28601 Abee Architects P, 0, Box 2006 flickory, NC 28603 'relephone (828) 327-4691 Fax (m) 327-6792 The drainage situation you asked me to look at, has about 0.41 a_.res of drainage area which includes some impervious sul&ces as roof tops and pavements, and a small grassy area, I have used the 25 yr. storm As you cxplaintd, this involves a pipe urder the building, and which isnon-standard, Al2"wattr 1 1. pipe will do the job very well, but will he a tight fit to insert the 12" into a 15", pipe will fit a lot better and still carry the stormTunoff. My calculations show a storm ftow for the, almost i f,2 acre drainage area as 2 I efs Th 10" water pipe will carTy 3.87 efs or about 1,9 times the calculated 25 yr storm flow. My calculations are attached, ptoied oowxv4ioln AkAcoh*O clrawar ctimmim F�ow Eimmwlt C;Iroo4r Ch*nm*t mefto Mort*V's F(wmu $ON* Fo( Chorv* 0"4h 4-40 OtAs mvv*vec,mft Chonnsl SWpo 023= #A OWM*W Ito in/ owd"W" 2110 Rwaft Deptil 0,41 ift Fiow AM 0.3 r W~ poit" 140 it Top WW 0.00 It coftw owh 0,82 PWVO(t NO 41A 0000 sw" O'Oowl V*kwky 6144 fA Y*�Oc" HOW 0.73 it speceW Erwo: 1.14 It Fr*W* Nwobo VS mo*"tm Dima,ak 06ch1kroo NO sop* Fks oWmi Fkpw Type U*CrW*CW P41HE r-40, : 704 --527 6792 J 15, 2.X'4 cl 1 pf, i p Worksh*ot Wofksho,*t for Chvular Chonne'l—", t,SA!4b� q� ai A IL r folrotoot Eng�moor: R, QwrmO V*ftm4 c:47togam M**%a**t*d*m*mndya r r tla w Y7.0 (7,00051 Iti,0004 04:a3�26pM V4mt*Axoy,CT0G70OU6A *I-A*-766-i6W P*qo I of I