PERMFILE128204

• Permit No: C1981038
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: VOLUME 8 - FLOOD DESIGNS
• Media Type: D
• Archive: No

a CC+.DIT~vU
M,D~OLOGI\T
Charles F. Leaf, P. E.
l LL[ny DU[
(JOJ,221-OOSO
t.•,aiLi;:;, ADDRESS: OFFICE:
.~;~ C~Si :l.U LBt FPV_ 113 311 SO UTH :.tELDRU'.t
FORT COL LIB: S, COLO R:.D08052' FORT COLLItc S. COLO R:,DO S^521
March 6, 197E
FLOOD HYDF.OLOGY DESIG?; CALCULATIC';S:
ORCHARG VALLEY .'1 .;E
by C. f. Leaf, P.E.
• INTRODUCTIC';
The technical basis for all calculations referenced in the CL;I
draina?e plan is found in the following references:
1. Design of Small Dams, A 4later Resources Technical
Publication, Revised Reorint, 1474, US DI Eureau of
Reclamation, U.S. Govt. Printing Office, b:ashington, D.C.
2. Engir,eerino and Design !Sanual--Coal Refuse Disoosal
Facilities, Mine Safety and Enforcement Administration
(:dESA) 1976, U.S. Govt. Printing Office, ::ashington, D.C.
Tho first text is highly regarded as the Standard by tho engineering
profession. ;,11 discussion of hydrolog in the second text was essentially
a5stracted fron Des'cn of Se,a',l ~a,rs. The entire chapter entitled: "Flood
Studies: (ChapCCr III) and Appendix A from Design cf $nall Dams are included
with this repot as Appendix I for the reviet'ter's ready reference.