2010-08-21_PERMIT FILE - M2018027

• Permit No: M2018027
• IBM Index Class Name: PERMIT FILE
• Doc Date: 8/21/2010
• Doc Name: Adequacy Review Response
• From: Hunt Water, LC
• To: DRMS
• Email Name: ECS
• Media Type: D
• Archive: No

EXHIBIT D- MINING PLAN
This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.4 of
the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations:
(a) Description of the method(s)of mining to be employed in each stage of the operation as
related to any surface disturbance on affected lands;
The proposed permit area includes a significant deposit of sand and gravel located in the
alluvium of the South Platte River in Weld County. The site is located west and east US-85.
The western portion is west of State High 60 and east of Weld County Road 25.5. The
eastern portion is directly east of the BNSF Rail Road and north of Weld County Road 36. It
encompasses 111 acres+/-on the west and 17.1 acres+/-on the east.
Site Preparation:
Initial disturbance of the property will include:, stripping the topsoil and overburden material,
constructing the slurry wall.
Mining:
Scrapers will strip the topsoil and overburden material from a given phase and place stockpiles
in the processing area. Any excess material not needed for reclamation may be sold or
hauled off-site during the life of the mine. There will be no mining below the groundwater table
until the slurry wall is complete,tested and approved.
The sand and gravel material will initially be excavated down 10 feet. In the event market
condition allow,the miner will excavate deeper only after the slurry wall has been constructed,
tested and approved per the SEO regulations. Each phase will be dry-mined using scrapers,
bulldozers,front-end loaders,excavators, or similar equipment. The mining on this site will
progress in four phases, ranging in size from 21-23 acres and proceeding from east to the
west.
The operator will develop and comply with a Stormwater Management Plan and Spill,
Prevention, Control and Countermeasures Plan. The operator will notify the Division of
Reclamation and Mine Safety and in the event of a reportable spill.
Processing:
The material will be dry screened or not screened at all and transported by offset by truck.
The processing area will be located on the north side of the site.
Import Material:
Hunt Water, LLC may import material from and export material to other sites. The applicant is
aware that in accordance with Rule 3.1.5(9) of the Construction Material Rules and
Regulations, if any offsite material is used as backfill, a notarized letter will be submitted to the
Division indicating the materials are inert. The applicant will supply such a letter to the
Division if, at the time of Reclamation,the applicant intends to use off-site material as backfill.
(b) Earthmoving,
Topsoil and overburden will be stripped with scrapers or bulldozers and stockpiled in
segregated piles at the edge of the active mine phase. Excavators,front-end loaders, and
bulldozers will be used to excavate the material. Haul trucks will be utilized to transport the
Hunt Water LLC—Gravel Mine—MLRB 112 Permit Application
Exhibit D-1