_GENERAL DOCUMENTS - C1981017 ‎(231)‎

• Permit No: C1981017
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Name: Bid Documents ‎(IMP)‎ 1998 Correspondence
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

JUL-27-199e 13:20 ROBERT DELPHEY 970 945 2303 P.06
Greg Lewicki And Associates
1645 Court Place, Suite 309 Phone/Fax: [phone]
Denver, CO USA 80202 E-Mail: [e-mail]
July 15, 1998
Diane Delaney
Office of General Counsel
Mid-Continent Resources, Inc.
P.O. Drawer 790
Glenwood Springs, Colorado 81602
Re: Coal Basin Revegetation Evaluation
Dear Diane:
I have reviewed the DMG's proposal and subsequent bid award for revegetating the downslopes
of Mine #4 and have also read the DMG's proposal to conduct downslope work and road
cut&fill slope work in the fall of 1998. From these documents and our meeting on July 9, 1998, I
have enclosed the following comments.
hi me #4 Downslope Revegetation Work
1) Although the original bid award for the Mine 94 downslope work was $116,400 for 15 acres,
the actual cost was eventually reduced to$72,775 but we do not know if any acres were
eliminated from the work. According to the original bid award,the average cost per acre was
$7760. This should be compared with an estimated cost in the DMG cost summary of 1/21/98 of
$2280 per acre and normal-hydromulching and seeding costs of$4200 per acre:The-Mine#4
work combined 6 acres of"imprinter preparation work"and 9 acres of bonded fiber matrix
(BFM) work. The BFM is a costly wet slurry of wood fiber that when dried, forms a blanket over
100%of the surface instead of a normal mulch application. Steve seemed to indicate in the
meeting that they will not be using the BFM in future steep slope revegetation due to the costs.
N' 2) It is unclear how the mulch was applied to the 6 acres of slopes where the imprinter was used
to make indentations and little benches in the slope. If it was broadcast, it is not likely that much
of the mulch was effective. There is little chance that straw mulch applied in a broadcast manner
would stay on a slope of approximately IK I V slope.
3) On page 8 of the RFP, it states that the depressions and benches serve to ameliorate the
overall slope angle. This is simply not true. The only way that the overall slope angle can be