2006-08-02_PERMIT FILE - C1980007 ‎(8)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 8/2/2006
• Doc Name: Hydrologic/Hydraulic Analysis for Roadway Drainage
• Section_Exhibit Name: Exhibit 75 SGARE Appendix G Report to Appendix E
• Media Type: D
• Archive: No

SEDCAD output. Riprap was designed to protect the road fill slopes and the natural channel beds.
• The channel chazacters aze listed in Table 10. For the detailed design data, please refer to June
2005 Design Plans, Sheet DT-1 and the FlowMaster work sheets included in Appendix H.
Table 10 Stream Channel Diversion Design
Location Channel Channel Qty from V
l
i NO~1 d
F
b
From To Shape Slope SEDCAD e
oc
ty Depth ree
oar
[Station) [Station] [ftlft] (cfsJ [f s] [ft] [ftJ
82+80 83+20 hTe ular 0.11 126.6 11.6 1.64 2.36
84+20 84+60 LTe ulaz 0.06 126.6 9.5 2.06 1.97
85+15 86+18 lyre ulaz 0.06 126.0 10.6 2.29 1.71
89+85 90+30 V 0.14 124.0 13.3 2.05 1.93
98+30 99+00 hre ular 0.11 97.0 13.8 1.68 >3.00
99+60 101+15 V 0.06 96.0 8.4 1.85 2.15
102+50 104+60 V 0.12 95.0 10.6 1.57 2.43
105+55 106+25 V 0.10 93.0 9.9 1.62 2.38
112+ZO 112+85 V 0.07 89.0 8.8 1.79 Z.21
117+10 118+35 V 0.09 87.0 10.3 1.95 2.05
119+30 119+85 hre ulaz 0.08 85.0 9.1 1.43 >3.00
122+20 123+00 hre ulaz 0.12 73.2 10.7 1.37 2.63
124+OS 124+40 hre ulaz 0.10 72.0 12.2 1.80 >3.00
125+90 127+30 hre ulaz 0.08 71.0 8.8 1.34 2.66
5.0 CONCLUSIONS
• The recommended design parameters provided in this study based on the hydrologic /hydraulic
modeling results can be considered as reference data for the roadway drainage design and channel
improvements.
6.0
Colorado Division of Minerals and Geology, 1980, Revised 2001. Regulations of the Colorado
Mined Land Reclamation Boazd for Mining.
Federal Highway Administration, 2001. HYDRABQ Integrated Drainage Design Computer
System, Version 1.0. U.S. Department of Transportation, Washington, DC.
Federal Highway Administration, 1987. Hydraulic Engineering Circulaz No. 14, Hydraulic
Design of Energy Dissipaters for Culverts and Channels. U.S. Department of
Transportation, Washington, DC.
Haestad Methods, 1996. FlowMaster, Pipe and Ditch Sizing Software, Version 5.15. Haestad
Methods, Inc., 37 Brookside Road, Waterbury, CT 06708.
ICES, 2003. Sylvester Gulch Light Use Road Geotechnical Data, Mountain Coal Company.
Johnston, B.C., Botanist, 2004. Report on Service Trip to Sylvester Gulch. USDA Forest Service,
216 N. Colorado St., Gunnison, CO 81230-2197.
•
Sunrise Engineering, Inc. 10
Sylvester Gulch Access Road
Hydrologic /Hydraulic Analyses for Roadway Drainage