2007-11-01_PERMIT FILE - C1982056A ‎(3)‎

• Permit No: C1982056A
• IBM Index Class Name: Permit File
• Doc Date: 11/1/2007
• Section_Exhibit Name: 2.05 Operation and Reclamation Plans Part 2
• Media Type: D
• Archive: Yes

{D) Contain an analysis describing the potential effect on the structure from
subsidence of the subsurface strata resulting from past underground mining activities if underground mining has
occurred; and
(E) Contain a certification statement which includes a schedule setting
forth the dates that any detailed design plan for structures that are not submitted with the general plan will be
submitted to the Division. The Division shall have approved, in writing, the detailed design plan for a structure
before construction of the structure begins.
(ii) Each detailed design elan for a stmcture shall:
(A) Be prepared by, or under the direction o£ and certified by a qualified
re istg erect professional engineer with assistance from exRerts in related fields such as geology, land surveying
and landscaQe azchitecture;
reouirements;
structure; and
appropriate.
{B) Include an~ geotechnical investigation, design, and construction
(C) Describe the operation and maintenance requirements for each
(Dl Describe the timetable and plans to remove each structure, if
(iii) If a reservoir has a capacity of more than 1,000 acre-feet, or has a dam or
embankment in excess of 10 feet in vertical height, from the bottom of the channel to the bottom of the spillway.
or has a surface area at high waterline in excess of 20 acres, then each plan under 2.05.3{~(b) or ©shall meet
the applicable requirements of the State Engineer in accordance with C,R.S. 37-87-105. In cases where a
sedimentation pond or impoundment meets or exceeds the criteria of 30 CFR 77.216 (a). then the permittee shall
also comply with the applicable requirements of the Mine Safety and Health Administration, 30 CFR 77.Z16(I)
and (2).
(b) Sedimentation ponds. Sedimentation ponds, whether temporary or permanent, shall be designed
in conformance with the requirements of 4.05.6. Any sedimentation pond or earthen structure which will
remain on the proposed Qermit area as a permanent water impoundment shall also be des~ned to comply with
the requirements of 4.05.9.
(c) Permanent and temporaryimpoundments. Permanent and temporary impoundments shall be
designed to comply with the requirements of 4 05.9
(d) Diversion. Stream channel diversions and other diversions within the proposed permit area
shall be designed to comply with reouirements of 4 05.3 and 4 OS 4
RESPONSE
Sedimentation Ponds and Treatment Facilities
TCC assumed liability for Ponds B, C, E, G, and T. TCC also jointly used Pond D with CYCC (Permit C
81071). Design information for the ponds is presented in Exhibit 8. During Permit Renewal 3, TCC utilized the
services of Montgomery Watson to review the design of Pond D. Their report for this pond is presented in
Exhibit 8H(1).
TR07-59 2.05-76 02/27/07