HomeMy WebLinkAbout1.03 Grading_Drainage
Article 4-203.E
Grading and Drainage Plan
Ursa Operating Company LLC
Tompkins Injection Well
OA Project No. 014-2878
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Appendix D - Tompkins
Pad Grading and Drainage
Site Plat
"Û"
500'
1,000'
1/4 Mile
1/2 Mile
Ruli s o n -P a r a c h u t e R d (3 0 9 )
M o r r i s a n i a M e s a R d (3 0 1 )
S p e n c e r P k w y (3 0 0 B )
BattlementPkwy (300N)
58
56
59
33
73
65 72
34
Author: M. Spinelli
0 500 1,000Feet
Notes / Comm en ts:
"Û"Well Pad
Proposed Development
County Roads
Local Roads
±Revision: 0
Date: 5/6/2014
NRCS SO ILS KEY:
MAP SYMBOL SER IES NAME
F o r m 2 A - A t t a c h m e n t HForm 2 A - A t t a c h m e n t HNRCS S oi l s M ap
39.45995 -108.01407Section 5, Township 7 South, Range 95 West
To m p k i n s34
33
56
58
59
65
72
73
Ildefonso stony loam (6-25% slopes)
Ildefonso stony loam (25-45% slopes)
Potts loam (6-12% slopes)
Potts-Ildefonso complex (12-25% slopes)
Potts-Ildefonso complex (25-45% slopes)
Torrifluvents (nearly level)
Wann sandy loam (1-3% slopes)
Wann sandy loam (3-6% slopes)
Attachment H – NRCS Soil Survey, Rifle Area
Map Symbol 58 – Potts-Ildefonso complex (12-25% slopes)
Strongly sloping to hilly soils are on mesas, alluvial fans and sides of valleys.
Elevation 5,000 to 6,500 feet
Average Annual
Precipitation Approximately 14 inches
Average Annual Air Temp Approximately 46 degrees F
Frost Free Days Approximately 120 da ys
Permeability Moderate to Low
Available Water Capacity Low to Moderate
Effective Rooting Depth 60 inches
Surface Runoff Medium
Erosion Hazard Moderate
Native Vegetation: Mainly wheatgrasses and sagebrush with an overstory of pinyon and Utah juniper.
The steep slopes limit community development. This soil complex is in capability subclass VIe,
nonirrigated.
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