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PERMFILE112421
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PERMFILE112421
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Last modified
8/24/2016 10:08:47 PM
Creation date
11/24/2007 9:28:59 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2001113
IBM Index Class Name
Permit File
Doc Date
4/8/2002
Doc Name
Second Adequacy Review Letter
From
DMG
To
American Concrete and Gravel LLC
Media Type
D
Archive
No
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labelled as such. These five maps are all part of this Exhibit C. The incorrect exhibit labels do not, by themselves, <br />require that new maps be submitted. But if you wish, I will label each of these five maps with the correct title and <br />exhibit. Please comment. <br />All maps must show affected azea boundary and permitted area boundary. Your "Exhibit A" (a Pre-mining Map) <br />shows two dark lines labelled as "gravel pit boundary," with the two delineated azeas inside labelled as "excavation <br />area." There is no labelled permit area boundary or affected area boundary. <br />Your written response for Exhibit D -Mining Plan stated that there would be no disturbance in the "setback areas," <br />which implies that the dark lines could be considered to be affected area boundaries. I spoke with you on Friday, <br />April 5, 2002, and I understood you to state that topsoil would be stockpiled in the setback areas, which implies that <br />the setback areas aze to be included in the affected area. Any and all mining-related activity must be included in the <br />affected area, including new roads, fill areas, stockpile areas, processing areas, sumps and ponds, storage, pazking, <br />and excavating. At this time it is not clear which type of boundary you intended to show with the dark line. Please <br />comment. <br />Your "Exhibit B" map shows a perimeter fence which is not depicted on any other maps. You stated during ouc <br />phone conversation that this is the permitted area boundary. If so, it should have been included on all maps, and <br />clearly labelled as such. If you agree, I will add the correct label to the affected area boundary and/or permit area <br />boundary on this map. Please comment. <br />The application states that the total acreage to be included in this permit is 57 acres. Working from your "Exhibit <br />B" map, which is the only one with the outer perimeter fence shown, and presuming it represents the permit area <br />boundary, my calculations show that the fenced area comprises only 51.66 acres, even with the road and creek <br />included. (The area occupied by the road and creek is about two acres.) Where is the rest of the permit area? If <br />necessary, please revise and submit a new, corrected map. <br />The recent map, with your label "Exhibit E," shows the direction of rnining to be starting at all pit perimeters and <br />proceeding toward the center of each pit. Discussion with you during our phone conversation seemed to indicate <br />that this is not really correct. At least one revised Mining Map should be submitted showing the permit area <br />boundary, a correct affected area boundary, the initial 72-foot wide trench around each pit (remember that it will be <br />12 feet deep and sloped at 3:1), where all topsoil stockpiles will be placed, and arrows correctly depicting the <br />direction and sequence of mining. I will discuss more on this below. <br />Exhibit D -Mining Plan (Rule 6.4.41 <br />14. Please be reminded that the fmal approval of your proposed mining plan assumes that you will obtain approval <br />from the Division of Water Resources or Water Court for creating the ponds. If you do not obtain such approval <br />maintain the water rights, any new pond surface will have to be eliminated. As such, sufficient material to <br />completely backfill the ponds would have to be retained onsite. Please confirm that obtaining approval for the <br />ponds is understood. <br />16. During our phone conversation you mentioned that dewatering would be continuous during mining, with <br />excavation of material to occur in ten-foot-deep layers throughout each pit, until final depth was reached. This is <br />not explained in the application, or in your written response, nor on the mining map (your "Exhibit E" map). Since <br />a related question was raised (in Exhibit C, above) more information should be submitted. Please briefly explain <br />the process. A series of simplified cross sections, showing the initial 12-foot deep trench, and the successive <br />removal of the layers, would help greatly. <br />18. Due to the proximity of water surfaces in Tomichi Creek, the ditches and the proposed ponds, the fuel storage <br />location must be lined with an impermeable membrane, not just be earth bermed. Please commit to this for the <br />adequate protection of these water resources. <br />
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