2003-05-16_REVISION - M1999034

• Permit No: M1999034
• IBM Index Class Name: Revision
• Doc Date: 5/16/2003
• Doc Name: Amendment
• From: ADCO Consulting
• To: DMG
• Type & Sequence: AM1
• Media Type: D
• Archive: No

COOLEY RESERVOIIt AND FULTON WILDLIFE AREA PIT
AMENDMENT NO. I - JERONINIiJS PROPERTY
(Revised 05/03)
EX$IBIT D -MINING PLAN (Continued)
4. Topsoil and overburden excavation and stockpiling. When any dryland areas that are mined,
1' of topsoil shall be stripped and stored for later revegetation activities. Topsoil and
overburden stockpiles for use in final reclamation activities will be placed in the northeast and
southeast corners of the site out of the 100 year flood plain. Temporary topsoil and
overburden stockpiles that are placed in the 100 year flood plain area shall be a maximum of
20' in height and 100' in width with 100' gaps between 300' long piles, be placed parallel to
the S. Platte River's overflow direction, and have a maximum slope of IH:1 V. A Flood Plain
Use Permit from Adams County shall be obtained for all operations within the flood plain.
~. Installation of temporary conveyors and temporary internal roadways as needed.
6. Topsoil and overburden stockpiles that are expected to remain undisturbed for less than one
year may remain at a maximum slope of 1H:1V, and need not be vegetated. Stockpiles
expected to remain longer than one year shall be sloped to a maximum slope of 3H:1 V, and
then be revegetated with non-irrigated grasses per the Cooley Reservoir Mix A from NRCS
01/23/03 letter as copied as page 6 of this EXHIBIT to minimize wind and precipitation
erosion. For broadcast seeding, this rate shall be doubled. Based on a maximum reclamation
need of 10 acres of disturbance to non-wetlands area for revegetation activities, the amount
of topsoil stockpiled could be 16,000+_ cubic yards stored in southeast and northeast corners
of the site.
Any areas adjacent to existing wetlands that are disturbed shall be revegetated with non-
irrigated grasses per the Cooley Reservoir Mix C from NRCS 01/28/03 letter as copied as
page 7 of this EXFi18IT.
Temporary stockpiling of excavated material, particularly any material from below the water
table, to allow the draining of water from the material, prior to conveyance to the Plant Site
for processing or off-site for use as borrow material.
If demand warrants, direct hauling of borrow material, and unprocessed aggregate material
for use as borrow material, from the entrance onto Brighton Road, subject to the requirement
that haul trucks shall cover their loads and appropriate temporary traffic control measures as
determined by the Adams County DepartmentofPublic Works.
10. The filling of lake areas with silt from the wash plant water, backfilline of excavated and
stored overburden, recovering disturbed areas with stored topsoil, grading, and planting.