2008-08-06_REVISION - C1982057

• Permit No: C1982057
• IBM Index Class Name: REVISION
• Doc Date: 8/6/2008
• Doc Name: Midterm Review Reclamation Cost Estimate
• From: DRMS
• To: Seneca Coal Company
• Type & Sequence: MT5
• Email Name: DTM
• Media Type: D
• Archive: No

CIRCES Cost Estimatina Software
BULLDOZER WORK
PROJECT IDENTIFICATION
Task # 014 State : Colorado Permit/job# : C-1982-057
Date:_ -081056008_ County :Routt Abbreviation :none
- M -?
User : JRS Site :Seneca Filename : C057-014--?Y -
Agency or organization name : Colorado Division Of Reclamation, Mining And Safety
Permit or other job action : 2008 Midterm Review ---
Task description: Doze Adjacent South Sage Creek Pit Spoil Ridges - -
HOURLY EQUIPMENT COST
Basic machine : Cat D11 R - 11 U (2005) Horsepower : 850
Blade type : Universal -- "'- -"
Attachment no. 1 : ROPS Cab Shift basis : 1 per day
Attachment no. Z :3-shank ripper
Data source : (CRG)
Utilization %
Cost Breakdown : Ownership cost/hour. $1
74.40 NA
- -
Operating costihour : _
$225.78 --- --___-100
Ripper op. cost/hour : $0.00 j 0
Operator cost/hour : $32.78 NA
Total unit cost/hour : $432.96 Total fleet cost/hour : $1,731.83
MATERIAL QUANTITIES
Initial Swell Loose
volume : 509,300 LCY factor : NA volume : 509,300 LCY
Source of estimated volume : Division Estimate
Source of estimated swell factor : NA _.__ ._._....___.._.._.-....___.__._
HOURLY PRODUCTION Job Condition Correction Factors Source
Operator skill : 0.75 (avg.)
Average push distance :

j 250 feet -
Material consistency ;
120 - - "
(Cat HB)
Unad
usted hour)
y production :
1,264.9 LCY/hr
Dozing method :
---
1.10
-------_-- ---- -
(50% sl)
._
._
--- ,

Visibility :
1.00 .
-
. -- -
(avg.)
Material consistency description

Y P
-
Job efficiency :
"°--- "----
0.83
-` - -- -
(1 shift/day)
Loose stockpile

_

........ _. ------ --
-

Spoil pile :
- --------
-
0.90
--------
-- --
(ssd fc)
F
Push gradient : ---
1 33 (Gat HB)
Average push gradient : 15.00 % (neg) Attitude : 0.93 (Cat HB)
Average site attitude : 8.000 feet
__.-- --
Material weight :
0.90 ?_--
(Cat i4s
Blade type : 1.00 (S/S(J/U)
Material weight : 2,550 Ibs/LCY i -
Net correction : - - -.....__-
0.82 __--
Weight description : -.- __.-------------.--- __.
Sandstone Adjusted unit production 1042.48 LCY/hr
Adjusted fleet production : 4,169.92 LCY/hr
JOB TIME AND COST
Fleet size : d Dozer(s) Total job time : 122.14 Hours
Unit cost : $0.415 /LCY Total job cost $211,521