APPCOR10641

• Permit No: C1996084
• IBM Index Class Name: Application Correspondence
• Doc Name: Initial adequacy review
• Media Type: D
• Archive: No

• 4.03.1(3)(a)(iii)).
~~
132. On page 2.05-17 (third paragraph), it is stated that "A 50-foot-wide Vavel way is proposed
for permanent haul road segments". Section 4.03.1(1)(f) requires all haul toads to be
removed and reclaimed unless retention of the road is approved as part of the approved
post mining land use, the road complies with all applicable performance standazds, and
the landowner requests to the Division in writing that the road or certain parts thereof are
to be left open for further use.
Please indicate which sections of the proposed haul roads will be retained permanently.
\Y For those sections, please provide demonstrations how those road sections will support the
post-mining land use, especially since the rangeland use has appazently been occurring
successfully without them. Please provide the written landowner requests as well (Section
4.03. I (I)(f)).
133. Add the following from Section 4.03.1(3)(e)(i) to the sixth pazagraph on page 2.05-17:
O~ "All vegetation material and topsoil will be removed from the embankment foundation
area during construction. No vegetation material or topsoil will be placed beneath any
haul road embankment". Add the following from Section 4.03.1(3)(e)(iii): "Excess of
unsuitable material from excavations will be disposed of in accordance with Section
4.09.1 of the Boards Regulations".
134. Please describe, pursuant to Sections 4.03.1(3)(e)(vii) and (viii), the following
0\/ embankment stability design standards:
t~ a) the design degree of compaction;
b) the acceptable levels of moisture content necessary to achieve the design
compaction;
c) the design density.
135. Are any bridges planned for the portions of the Lorencito Canyon haul road (the P1/P2
J_ Portals haul road) that cross the perennial portions of the canyon or the drainages that are
~` tributary to the canyon? If so, please provide the designs for these bridges (Sections
4.03.1(4)(e) and 2.05.3(3)(c)(i)).
136
b
137
W~~' ~„5cy'``~
,V' ~\ ,
~~0
Map 2.05.3-1 needs to be certified in accordance with Rule 2.10.3(2). Figures 2.05.3-8,
2.05.3-9, 2.05.3-10 and 2.05.3-11 also need to be certified.
On page 2.05-26, it is stated that the main access road will be constructed from Highway
12 to the coal loadout. Please discuss what considerations, if any, will be made for the
access road's junction with the highway. Has approval for the junction, now [hat it will
be used for a mine access road, been applied for from the Colorado Department of
Transportation? Will an acceleration or deceleration lane need to be constructed on the
State Highway at the access road junction? Will State Highway signage be required to
warn State Highway users that trucks may be turning at the junction? Wi11 State Highway
travel speeds need to he reduced neaz the jwrction?