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2016-04-14_PERMIT FILE - M2016010
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2016-04-14_PERMIT FILE - M2016010
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Last modified
10/23/2020 10:24:51 PM
Creation date
4/19/2016 6:09:59 PM
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Template:
DRMS Permit Index
Permit No
M2016010
IBM Index Class Name
Permit File
Doc Date
4/14/2016
Doc Name
Letter of Opposition
From
Charles & Nancy Reed
To
DRMS
Email Name
AME
Media Type
D
Archive
No
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2.5 Blockage of Road by Flooding due to Failure of Water Management Structures <br /> The mining plan calls for top soil and "fines" to be stored in piles within the canyon, south of <br /> Little Turkey Creek. These piles are shown as TS 1 and F 1 in Figure 8 below. Presumably, <br /> there will also be piles of raw rock awaiting processing as well as finished quarry product <br /> awaiting transport that will be stored within the Plant area. Over the life of the quarry,the <br /> mining plan indicates that there will be millions of tons of material stored in these piles. The <br /> proposed location of these piles is within side canyons of the Little Turkey Creek watershed. <br /> Material stored anywhere within the watershed, as well as vegetation and soil remaining <br /> within the watershed,may be washed down into the lower canyon during major flooding. <br /> The Transit Mix application includes a water management plan which calls for the <br /> construction of ditches and sediment ponds to manage water flows during major flood events. <br /> The plan calls for culverts and ditches to handle a 10 year flood event and the sediment <br /> ponds to handle a 100 year flood event. Figure 11 shows the water management structures <br /> within Little Turkey Creek canyon proposed in the application. These include LTC-CC-1, a <br /> culvert on Little Turkey Creek, plus a number of sediment ponds within the Little Turkey <br /> Creek watershed(F1-SP-1,P-SP-1, P-SP-2,NP-SP-1 and NP-SP-2). The yellow line in the <br /> figure is Little Turkey Creek Road. <br /> Legen <br /> PMW eaM <br /> �.—P—.rrA 8o:xnay <br /> Upov.^(,Oft CW".) <br /> pN C1M <br /> PWLIFac�tlN N.a <br /> Exi.J-9 Raad <br /> /wds.Road <br /> 1 Fa 0,W d. &—;d. <br /> UP"SI dwk <br /> M SP-2 <br /> p 1 a:.:..Chin Waro,On.n a <br /> mad a� <br /> NP-SP-1 <br /> --�'" -SP-1 » <br /> Dr..a9r Quid.e.- <br /> Rt.MWI AM <br /> �1 r'� �% <br /> O-CC.5 NP-SP-2 <br /> P-SP- <br /> 1 Plant AL• <br /> (' R <br /> F1 TS1-CG1 <br /> 'I71L1VSrr MIX <br /> �•. CONCRVIT COMPANY_ <br /> Figure G+9 <br /> Hitch Rack Ranch Quarry <br /> Water Management Plan <br /> Figure 11 Water Management Structures <br /> The analyses used to design water management structures in Exhibit G used a 10 year flood <br /> event of 3.03 inches of precipitation in a 24 hour period and a 100 year flood event of 5.38 <br /> inches in a 24 hour period. These figures appear to be based on historical precipitation <br /> records collected at the Colorado Springs airport. However, Exhibit K(Climate) within the <br /> application indicates that the precipitation figures from the Colorado Springs airport should <br />
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