2013-04-10_PERMIT FILE - C1981019 ‎(85)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 4/10/2013
• Doc Name: Performance Standards
• Section_Exhibit Name: Volume 15 Rule 4
• Media Type: D
• Archive: Yes

RULE 4 PERFORMANCE STANDARDS
RULE 4 - PERFORMANCE STANDARDS
4.02 SIGNS AND MARKERS
4.02.1 Specifications
Colowyo has posted and will maintain all signs and markers required by this section. All signs are of
uniform design, can be easily seen or read, and are constructed of either metal or wood. Signs will be
constructed to withstand extreme climatic conditions and conform to local ordinances and codes. All
signs and markers will be maintained throughout the operational period of the mine.
4.02.2 Mine and Permit Identification Signs
Appropriate signs identifying the mine area are displayed at the point of access to the permit area from
Highway 13/789. These signs indicate the name, business address, and telephone number of Colowyo and
identification numbers of mining and reclamation permits. Additional signage will be installed as
appropriate for the Collom permit expansion area.
Coal will be transported from the Collom mining area by highway trucks along portions of Moffat County
Road 51. Signage, as required by CDRMS and Moffat County, will be posted prior to beginning
transport activities. Appropriate signage will be posted along each side of the haul road entrances.
4.02.3 Perimeter Markers
The perimeter of the existing permit area is clearly marked with metal signs and /or wire fencing where
appropriate. Additional markers may include steel fence posts painted orange or capped with PVC caps
painted orange. Additional signage will be posed to mark the Collom permit expansion areas.
4.02.4 Duration of Maintenance
Colowyo will maintain signs and markers throughout the life of the operation or post new signs and
markers as necessary.
4.02.5 Stream Buffer Zone Markers
Stream buffer zone signs will be posted in the existing mining area where appropriate. Additional
signage will be installed as appropriate for the Collom permit expansion area.
4.02.6 Blasting Signs
Colowyo displays signs reading "Blasting Area" along any blasting area that comes within 50 feet of any
road within the permit area or within 100 feet of any public road right -of -way. The blast warning and all -
clear signals are clearly explained at the main entrance to the permit area from Highway 13/789. A sign
stating "Blasting Area, Be Careful" will be placed at the entrance to the Colowyo revised permit area
from Highway 13/789.
4.02.7 Topsoil Markers
Colowyo clearly marks all stockpile topsoil with signs ret±ding "Topsoil."
Collom — Rule 4, Page 1 Revision Date: 9/28/11
Revision No.: PR -03