_GENERAL DOCUMENTS - C1981017 ‎(242)‎

• Permit No: C1981017
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Name: Bid Documents ‎(IMP)‎ TR-13 Correspondence
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

`1'A1 1,17 II-P-App.7-Att.3-4
':EVISED SEDIMENTATION PONDS CAPACITIES -
AREA CHANNEL .WERAGE 10 YR./ 25 YR./ IMNOFF RUNOFF PEAK 0. 1 A.F. POND 10'1'.11. PRI"SI-XF
(Acres) LENGTH SLOPE CH 24 lilt. 24 IIR. INCIIES DEPTH CPS_ Plitt ACT;I'(1RAGE POND POND RI.r1ARKS
(Peet) (7) NI1hIBEE2 tAINFALL RAINFALI !'AINFnLl TNCUES 10 YR. ;EDINFI;i A.F. STORACE Si'OR,1G1:
I11iLK 1-', ['III, S-IA Z5 YTt ;'fOR CB A.P. A.1 .
1.22 13.5 four pond_,
1 11.63 990. 1.0 93 1.88 2.20 10 yr. 11.1 1.16 1 .18 in scric:>
001 1.50 16.6 25 y r
0.33 3.5 Included
IA 7.23 1400. 10.7 75 1.88 2.20 10.7 0.72 > 0.20 - > 3.26 in No. 1
001 0.48 5.1 3.89
2 3.49 460. 6.5 90 1.88 2.20 1.01 5.8 5.9 0.35 0.29 0.64
In series
Oil 1.27 7.4 0.51 with No. 1
In series
0.30 4.0 with No. 5;
3 10.04 1100. 10.0 74 1.88 2.20 13.4 1.00 0.25 1.25 MoStly
N 009 0.45 6.0 3.08 revegc*tated
0.36 1.3 Enlarged 1983.
4 1.77 500. 12.0 76 1.88 2.20 3.6 0.18 0.05 0.23 rloStly
006 0.52 1 .9 0.25 Revcgetatul
In series
0.25 4.0 with No. 3;
5 12.79 1280. 10'.6 72 1.88 2.20 15.8 1.28 0.27 1.55 rloStly new
007 0.38 6.0 1.39 refuse
-
0.94 3.8 largcd in 19S•1.
6 2.25 500. 7.0 89 1 .88 2.20 4.0 0.23 0.18 0.41 Mostly
010 1.19 4.8 0.18 liuildIngs
0.72 3.4 Enlarged 19S3.
7 1.93 600. 13.3 85 1.88 2.20 4.7 0.19 0.12 0.31 0.81 Wo ponds
,rtt 008 0.95 4.5 in series
NOTE: Used SCS, "Procedures For Determining Peak Flows In Colorado" March 1980 Edition
p Tables 2-1 and 5-1A
rt 15.1
bd