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REV105128
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REV105128
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Entry Properties
Last modified
8/25/2016 1:16:41 AM
Creation date
11/22/2007 1:23:58 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977344
IBM Index Class Name
Revision
Doc Date
8/17/1999
Doc Name
PN M-77-344-TR-06-HOLNAM INC QUARRY PORTLAND COLO
From
K-S & CO
To
DMG
Type & Sequence
TR6
Media Type
D
Archive
No
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<br />(TPY); 1990-91 approximately 101,000 TPY; and 1992 to present approximately 107,000 TPY. Based <br />on these estimates, the total amount of CKD landfilled in the quarry area to date is approximately 1.3 <br />million tons. <br />Disposal of CKD takes place in previously mined areas of the quarry. Typically the limestone is removed <br />down to the top of the Codell Sandstone. A 10-foot layer of broken shale/azgillaceous limestone <br />(hereinafter referred to as "shale") is then placed on top of the sandstone prior to placement of any CKD. <br />l,y~,~ws~~ This,chal v Material is also placed around the perimeter of the pit as an additional lateral buffer. CKD <br />is loaded into anopen-top, end-dump, 31-ton dump truck by way of a retractable hose through an opening <br />in the top of the truck and transported from the kiln to the disposal pit. The truck bed is covered with a <br />heavy plastic tarp during transport to minimize fugitive dust generation. The CKD is then dumped in <br />adjacent piles in the bottom of the disposal area. As the disposal area is filled with CKD, additional five- <br />(5) foot layers of broken shale are placed every 15 to 20 feet within the CKD. Compaction of the CKD <br />is accomplished by heavy equipment traffic during the placement of the CKD and the broken shale layers. <br />CKD has been disposed in five (5) locations within the affected area of the mine, as indicated on Figure <br />2. An additional location, for future disposal, is also indicated on Figure 2. These locations include: <br />{ <br />i I . I ~~11 jZ <br />,u,~` ~~The south si a of the pond located in the southwest portion of the affected azea. Approximately 20 <br />feet of CKD was placed on the downslope side of the pond to help contain the water in the pond. <br />• North of the primary crusher, adjacent to the south end of Cut 3. This was the location of an older <br />mined area subsequently used for CKD disposal. <br />• The eastern 1000 feet of Cut 4. This portion of Cut 4 was filled with CKD as described in the <br />preceding pazagraphs. <br />• The eastern 1000 feet of Cut 6. This portion of Cut 6 was filled with CKD as previously described. <br />Filling of this cut was completed in September 1998. <br />• The eastem 1400 feet of Cut 8. After placement of the 10-foot liner in this cut, 15 feet of CKD are <br />currently being disposed in this area. A five(5)-foot cap will then placed over the CICD. <br />• Upon the completion of the disposal of CKD in Cut 8, as described above, Holnam will begin using <br />Cut 12 as a disposal area. <br />KS-9903-oz P,ge z K-S &Company <br />AuQust16,1999 Copyright 1999 <br />
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