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2022-04-04_PERMIT FILE - M2022013 (41)
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2022-04-04_PERMIT FILE - M2022013 (41)
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Last modified
4/5/2022 8:40:20 AM
Creation date
4/4/2022 5:23:08 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2022013
IBM Index Class Name
Permit File
Doc Date
4/4/2022
Doc Name Note
Exhibit L - Reclamation Costs
Doc Name
Application
From
Varra Companies, Inc.
To
DRMS
Email Name
RDZ
MAC
Media Type
D
Archive
No
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Page 13 <br /> 6.4.12 EXHIBIT L - Reclamation Costs <br /> follow the perimeter of the extraction limits over approximately 75.45± acres in order to <br /> establish the perimeter keyway for the 127.10± acre Center Section of Central Field. The <br /> perimeter extraction will leave a 51.65± acre Core, that may be extracted as needed as <br /> keyway drainage capacity allows. <br /> The initial extraction area is bordered to the South along a near 800± foot section of oil <br /> and gas line that is pending removal; along with the two oil and gas wells, also pending <br /> removal (refer to Exhibit C for ownership details). Extraction will not occur within 10 feet <br /> of these lines, or 25 feet from the wells, as indicated in the setbacks detailed under Exhibit <br /> D: Extraction Plan. Below this gas line is an existing pond and well that will be used as a <br /> Settling Basin Area, containing at present a solitary settling basin and pump as a point of <br /> discharge of groundwater. This pond may be expanded or added to below this line, and <br /> may then be extracted itself once discharge is discontinued for Central Field Operations. <br /> Perimeter Keyway Extraction will maintain a perimeter slope no steeper than 1.25H:IV, <br /> except for the perimeter shown in red along it's extraction limit, and respective toe where <br /> cut slopes will not exceed 2.00H:IV; as indicated (refer to Exhibit S: Stability Analysis for <br /> additional information). At the toe of the cut perimeter slope is the keyway that runs <br /> below the extracted deposit of the basin, into the bedrock, which allows the subsurface <br /> waters to flow to the settling basin and discharge pumps necessary to keep the cut basin <br /> dry during a time of extraction and reclamation of the affected perimeter slopes. <br /> The keyway dimensions may vary more or less from 4± to 8± feet in depth and 4± to <br /> 16± feet in width. Extraction must be broad enough to allow equipment to safely <br /> approach the toe and exise the bed dimensions where the resulting channel is sufficient <br /> to convey the groundwaters to the settling basin for discharge. <br /> Please Note: The graphic representation of the Perimeter Keyway Extraction and Core <br /> are idealized, and may vary in shape and size presented. Annual Reports will report on <br /> the nature and extent of affected lands and more properly reflect actual conditions on <br /> the ground in a given year of operations. <br /> UNITS OF DISTURBANCE: <br /> The life of the operation is based upon a base rate of extraction approximating 8.0±acres <br /> of disturbance in a given year. This time will pulse with the market and may average 8.0± <br /> acres, but could be faster or slower. Starting out, initial warranty necessary to cover the <br /> costs of reclamation for the extent of disturbance in a given year will also vary in time and <br /> circumstance, as the initial disturbance is generally less at the onset. So, a rate of <br /> disturbance can be estimated and the warranty adjusted incrementally with time and <br /> circumstance. <br /> Starting out in the initial 2-4 years of Operations, and incrementally thereafter, necessary <br /> warranty can be estimated and adjusted in incremental Units based upon the projected <br /> VARRA COMPANIES, INC. TWO RIVERS SAND GRAVEL AND RESERVOIR PROJECT NOVEMBER 2021 <br /> A REGULAR IMPACT[1121 CONSTRUCTION PERMIT APPLICATION-COLORADO DIVISION OF RECLAMATION MIING&SAFETY <br /> OFFICE OF MINED LAND RECLAMATION <br />
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