GENERAL46360

• Permit No: M1987038
• IBM Index Class Name: General Documents
• Doc Date: 10/6/1992
• Doc Name: GOSNEY & SONS INC BAYFIELD 1 GRAVEL PIT DRAINAGE STUDY & EVALUATION
• Media Type: D
• Archive: No

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' - I_ya';I IG?'>' & SCIWS, ildl':,
P!'•VF'fFl_t? NII. ) rf:•r1vf,1-. F1.T
nr~niNnr-lr_ nl.lnl-v~,Ts nFr-..xISTINrr I_cmi nr-n#Irh
1

AJSP: Ftl.-F: (':\F•Llhll.lP M_k:\IrN~B~ILl'Ol.~if-'I)
prainage /lrea iz ~_res) 19.:'•:; -- --. r~.0';~.1.:' s,l.roi.
'- R~Irn~ff Curves tJ~.unhrer r.l_t.l) 70
Time of Concent,raki.nn,is thrs) 0.35
F'ainfall ni~;trihntinn i Tyr~e) TI
_ Fend and Swamn M•e?~ r%) n -- I:,,li
, a~:rr.s
Storm 111 '~I~,rm #~' !,I:r.~rm 11:;

1 Fregl.lem_y r:vears) yllr '---- -.~',------ -100 _---
F,ainfall, F, 24-hr (in7 2.^-, ... 75 3.2
' Initial llbstractinn, Ia (i.n7 O.A`i7 il..l)°i7 O.El:i7
Ia/n ~'atio 0,';73 r"r.^t^ il.'7f_•A

,- Unit ]lisr-harcln. * r)11 (c.Sm/in)
F2~m,~f f, L? (in) •151
O.C;f, ';1`)
O_Sta 547
n. B;i
Fond Y. Swamn Ad.)uatment Farl:[~r 1.00 t.Ofl I.OiI
FE/1k:: DISI_Hnf-'GF, qn irfs) 5 '-) 14
__ Summary of ComputaL-i,cnis fr,r qu.
Ia/p #t 11. 3`l(-1 11.';1)11 IL 1110
'- r_.1 t:i -ir.f.ir. -n.(;;'3 -0.61°';
C'2 ik 1 -0. OA8 --i 1..1 1 7 -u. 154
qu (r sm) # t 4811.233 530. ftn8 f.;i ~.^-,t;`i
' Ia/p #2 0.480 ir.,^-,Sli i).3nt1

' C2 #1 -O,OF7F -(,.cIf1TI -0.117
qu (asm) ik 4~2.i)i!0 11711,;?;?^ `;:;O.f~riH

* InternnletPd fnr ~_omrrl.lted Ia/n r.ati.a (h~,tween Ta/n U1 "a I a/n I)^?
_
1 I f rnmriuted Ia/p r_:•:~e~ds I~/n 1 imits, bcrl.lnriin~ ] i ni I: f~~r ICI/p is ~_ISr(1.
)ngigl.l) = C(r + ( 1.1 * loq(T,]) ) + ( r,.~ * C1„q (Tr)). )
'--
nn (cfs) nl.l(rsm) * Area(sq.m
i.) +~ G(in.) +r CFr.nd ?: Swamn nrl). )