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2017-07-11_PERMIT FILE - C1981019A (3)
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2017-07-11_PERMIT FILE - C1981019A (3)
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Last modified
9/11/2017 7:55:15 AM
Creation date
8/28/2017 8:22:17 AM
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DRMS Permit Index
Permit No
C1981019A
IBM Index Class Name
Permit File
Doc Date
7/11/2017
Doc Name
Performance Standards
Section_Exhibit Name
Volume 15 Rule 4
Media Type
D
Archive
Yes
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RULE 4 PERFORMANCE STANDARDS <br />A future spoil water monitoring well will be drilled (and water quality monitored) as identified on Map <br />4 1 B in the reclaimed Collom Pit area to monitor and measure the potential development of a spoil aquifer. <br />This location represents the lowest point in the proposed Collom Pit. <br />4.05.14 Transfer of Wells <br />Please see Section 4.05.14 in Volume 1. <br />4.05.15 Water Rights and Replacment <br />Please see Section 4.05.14 in Volume 1 and Section 2.04.7(2) in Volume 15. <br />4.05.16 Dischrage of Water into an Underground Mine <br />This section is not applicable to the Collom Mine. <br />4.05.17 Postmining and Rehabilitation of Sediment Pond, Diversions, Impoundments, and <br />Treatment Facilities <br />Please see Section 4.05.17 in Volume 1. <br />4.05.18 Stream Buffer Zones <br />Lands within 100 feet, or greater distance if required, of a perennial, an intermittent, or an ephemeral <br />stream with a drainage area larger than one square mile are required to be protected under Rule 4.05.18, <br />unless the Division specifically authorizes surface operations within the stream buffer zone. Stream <br />buffer zones have been identified along Wilson Creek and Jubb Creek, as the drainage area reporting to <br />these streams is larger than one square mile. Colowyo will be developing the Collom Haul Road which <br />will be inside the stream buffer zone on both Wilson Creek and Jubb Creek. <br />The Collom Haul Road will cross Wilson Creek as shown on Map 25E Sheet 1. During construction <br />Colowyo will install a round culvert, and will employ proper best management practices (BMPs) during <br />the construction phase in accordance with Colowyo's approved stormwater management plan, Section <br />401 certification, and US Army Corps 404 permit. Once construction of the road is complete, all surface <br />water runoff from the Collom Haul Road will be directed to BMPs prior to being released. <br />The Collom Haul Road will also cross Jubb Creek as shown on Map 25E Sheet 1. The construction of the <br />crossing will be similar to the Wilson Creek crossing and will utilize the same BMPs during and after <br />construction. <br />As shown on Map 25E Sheet 1, the Collom Haul Road will parallel Jubb Creek. There will be one <br />section of the haul road that will slight be within 100 feet of the stream. As shown on Map 25E Sheet 1, <br />at approximately Station 230+00 to 250+00there will be disturbance slight amount of disturbance within <br />the stream buffer zone on Jubb Creek. Proper 13MPs will be employed prior to any disturbance occurring <br />within this area and once the road construction is complete any areas that can be reclaimed will be <br />completed as soon as possible. <br />Much of Little Collom Gulch will be directly impacted by the Collom Pit, the temporary spoil pile, and <br />the Section 25 Pond (see Map 23C). The Section 25 Pond will protect the lower reaches of Little Collom <br />Gulch that will not be disturbed during mining and reclamation. It is expected that during mining the <br />Collom — Rule 4, Page 12 Revision Date: 12/30/16 <br />Revision No.: TR -108 <br />
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