PERMFILE134372

• Permit No: C1981016
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Western Portal Re-Opening & Roof Control Plan
• Section_Exhibit Name: APPENDIX XXII And Appendix XXIII
• Media Type: D
• Archive: No

19.1e
Table 16.2. Cc~putatioa of coorfilnntee fot ynlt hydrogrnph
for use in Ezacple 1.
2
4
TSce Ratios Tice .p(• DSecherge Ratios Diochargen •~zQ
(table 16.1) {col 1 z r (table 16.1) (eol 3 x ~{S.
TD -- _ hours -__ q/qp cfa
.1 •OoG ~ .030 ~ a.41 ~". `
.2 , clt .100 y z,{
.3 o S .190 St [f
.4 ;o~ •31e I3
.5 .030-• .470 9o/•r~ /i
.6 ~ ~. .o?L .650 ar~•1{ •
,7 ~ .oyri .820 3rAf~
.8 •o~t .930 ~ .39&°(
•' . os~/ .990 yz3. ~~
.9
l.o ,060,, l.ooo _ _ y2c.~
1.1 ~ .pLb •990 y73,a~
1.2 ~o7Z •930 ,3CdoS
1.4 ..07~ .860 _ _ _ ~~~ '
1.5 ' ' ° a f .680 ~ fr. of •
1.6 .Of o: . SEO z:p. CS ~
1.7- - - . •076 .460 J1~•~
8 ~ Sz .390 ~ /~ i•f~ '
~o . `. ?~ .280 - /5r1•~
2.2 .iSz .207 rl4• y
2.4 •/I~ f .147 - - -- S4.G C
2.6 •/~c .107 -~:.~
9s. ~ c
2.8 ~ •/tt .077 ~ ~t•9~
3•p ./c0,~ .055 ?~ sY./
3.2 ./s: .040 ~7.Ji
3.4 ~ .io{ .029 ia.~r
3.6 - - :- . 1rr, .oat 8. it
3.B ,Z :y .015 t.~(t
4.0 ' .:{o .011 ~.7- ~I Y
a. s ~ . z T ~ .005 - - - - ,.,~ ~: ~~~~
5.0 j .too 0 4
tiltil~°
•