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REV93872
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REV93872
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Entry Properties
Last modified
8/25/2016 3:19:32 AM
Creation date
11/21/2007 11:35:55 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1996084
IBM Index Class Name
Revision
Doc Date
9/13/2001
Doc Name
Third ADEQUACY RESPONSES FOR 9-7-2001 DMG letter
Type & Sequence
PR1
Media Type
D
Archive
No
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iii ~ti~iiii~niu i~~ <br /> <br />LORENCITO COAL COMPANY 77 ~ ~q vr,~.c~ V~ZS~S2 <br />• LORENCITO CANYON MINE {~ <br />PERMIT REVISION #1 -PERMIT C-96-084 <br />ADEQUACY RESPONSES FOR SEPTEMBER 7, 2001 CDMG LETTER <br />Rule 2,04.4 Cultural and Historic Resource Information <br />4. Response accepted. Materials were forwarded to the SHPO on August 14, 2001. Final <br />SHPO comments for sites SLA9571, 5LA9572, 5LA9577, and 5LA9578 are forthcoming <br />y~~o ~ ~ shortly. <br />IS ,k ~ 5a. See response to #4. <br />X~k Rule 2.04.6(2) Geoloav Descriation <br />~ 6. The Division has no questions concerning the results of overburden sampling or geology <br />in general. <br />Rule 2.05.3(2) Oaeration Plan Descriation <br />/ 6a. Response accepted <br />7. As a result of our meeting on 9/7!2001, the Division anticipates road information to be <br />submitted in the near future. See the roads section below. <br />• Rule 2.05.3(41 Oaeration Plan -Ponds and Impoundments <br />~ 11. Response accepted. <br />16. Response accepted. <br />~ 17. Response accepted. <br />/18. The ditch summary table (Primero Fill Areas) still shows concrete for the ditch lining <br />material. Please change the table to "riprap" for ditch west S-6 for fi// 2-land re-submit. <br />~w LCC Response: The ditch summary table has been revised and is enclosed for placement in <br />the permit revision documents. <br />19. Designs were reviewed for four different sections of the "un-named ditch". Please <br />delineate on the surface water management plan map the location of each section. Use <br />a naming convention that clearly identifies the design associated with each discrete ditch <br />section. Considering the large increase in estimated flow, please demonstrate that the <br />culvert below this ditch can handle the increased flow or submit new designs for a larger <br />culvert at this location along the Lorencito Canyon road. <br />,,~ LCC Response: The full length of this ditch will be constructed as described for the fourth <br />structure in the SEDCAD output. The Ditch Summary Table in EXHIBIT 15 has been <br />revised to reflect a discharge rate of 78.6 cfs. The culvert below this ditch (78+75.61) <br />• increases to 54 inches in diameter to carry the estimated 78.6 cfs <br />
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