PERMFILE110230

• Permit No: C1981044
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Pages 262-315o
• Section_Exhibit Name: Exhibit 18 Culvert Design Summary
• Media Type: D
• Archive: No

CULVLRT dG & 47

Des:Lgu Dischar~c = 1.90
GnLi:ulcc Luss CocCficicut = 0.7
L'iL,~ LenL;Llt 2.000
Pipe Slopr = 1.000
*latulinL's tt
A1a~:imunt Ilcaawatier
TailwaCcr DcpC1t
c.fs
r~:el
~~
= 0.021
= 1._°00 feet
= 0.000 fc~t
Smalla::t PiamcLcr Requirc~l Lu Pa:a Flo+a i:: 12 Lacltcs
PGI:COR?I~~i~CG C1JR\'L•'S:
Diameter; 9 incltcas

IfuuQwul:cr Dis;cltar;;•~~ P.Luw
(rt.) (cfs) Control
N~ ~ - Type
0.12 0. 1L 0
0.:.•I 0..,0 0
O...G 0.'1~ 0
0.•1v O. GO Outlet (SuLcriCical) 1
O.GO 0. 7 Outlet (SuL>criLictil) 1.
0.7C 0.00 QuLlel (SuLcriLicct.l.) ].
0.°1 1.0~ Outlet (~uLcritical) 1
O. JO 1.12 OuClct (SuLcriC.ical)
1.08 L.21 Oullel (SuLc•riLicul)
1.'~0 1.2tJ Outlet (::L11J!"1'1LLl'(ll)
DiamcCcr: 7^_ inc•Lus
Ifeadwatcr Disclt:troe rlo+s
{ft) (cf.;) CwtCro l Typa
0.12 0.20 0
0..4 0.~0 0
O.;IG O.LO Outl!-L (Sul,criLicul) 1
0.43 0.7~ Outlc•L (SubcriLicul) 1
O.GO O. OD OtrC1cL (::uGcl•ilicsl) 1
0. 7: 1.^? Outlet (Su~<'rilicalj 1
0.u1 1.5G OuL1~~L (:iuLoril,i.aal.) 1.
0.7G 1.~5 Outlet (Su4criLical) 1
1.63 2..10 OuL1uL (_'uL..riCi~al) :.
1.20 ^_ ..', t Lilo (Sul'crc•ri Lical) ;;
Diunr: Ccr: 1G incltc•s
`J
llua~watci• Diach;u-ac Flow
(fL)
------------- (c:r:.;)
------------ control
------------------------- 'ryl,e
---------
0.12 0.41 0
0.21 0.3~ Outlet (._uUcriLi.r.;+l} 1.
O.aG 1.11 OuL1~L (SuUcritical) 1
0. I8 1. a0 Outlet {uLcril:icc+l) ].
O.GO 1..0 Ciullut (SnLcriL.irtl) 1
0.i^. I . i~` !?ul.l• 1. {';~tl,~•f•.i~. ic:+l) L
0.31 1.':? Oullcl (;4uGcril.ical) I
Exhibit 18 ~ -31 3i- Rev ised 9!27/91