2018-01-24_REVISION - C1981019 ‎(2)‎

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 1/24/2018
• Doc Name: Adequacy Review
• From: DRMS
• To: Colowyo Coal Company LP
• Type & Sequence: RN7
• Email Name: ZTT
• Media Type: D
• Archive: No

Ripper own. cost/hour:
NA
$0.00
NA
NA
$0.00
$0.00
Ripper op. cost/hour:
NA
$0.00
NA
NA
$0.00
$0.00
Operator cost/hour:
$57.25
$41.85
NA
NA
$29.27
$29.27
Unit Subtotals:
$308.45
$451.88
$0.00
$0.00
$212.13
$55.33
Number of Units:
1
1
0
0
1
1
Group Subtotals:
$308.45
$451.88
$0.00
$0.00
$212.13
$55.33
Total work team cost/hour: $1,027.79
MATERIALS COST
DRILLING AND EXPLOSIVES PREPARATION TIME
Total Drilling Length:
Unadjusted Drilling Rate:
Drilling Time:
Job Condition Corrections:
Site Altitude:
Altitude Adjustment:
Job Efficiency Factor:
Adjusted Drilling Rate:
Explosives Prep. Time:
JOB TIME AND COST
Total Materials Cost: $177,746.64
36,595
Description
Unit
Unit Cost
Quantity
Total Cost
7,800
Bulk ANFO nom. density
0.90
(DRMS est.)
0.67
(CH. Exc. HB)
Blasting Agent:
7,900-15,000 fps
Pound
$0.239
376420.236
$89,964.44
Cast primer, 1.0 lb
(electric or non -electric
Primers or Boosters:
system)
Each
$3.370
650.000
$2,190.50
Non -electric cap, delay
Blasting Caps:
(non -electrics stems)
Each
$3.569
650.000
$2,319.85
Detonating cord, 25
Det. Cord, fuse, or
gr./ft. (non -electric
wire:
systems)
Linear foot
$0.143
56815.000
$8,124.55
MS connectors (non -
Delays:
electric systems)
Each
$7.850
655.000
$5,141.75
Stemming, 1.5 in. gravel
(inert blasthole packing -
Miscellaneous:
imported)
Cu. yd.
$27.808
458.150
$12,740.23
Drill bits:
Bit life = 1,750
Linear feet
$2,738.47
20.911
$57,265.32
DRILLING AND EXPLOSIVES PREPARATION TIME
Total Drilling Length:
Unadjusted Drilling Rate:
Drilling Time:
Job Condition Corrections:
Site Altitude:
Altitude Adjustment:
Job Efficiency Factor:
Adjusted Drilling Rate:
Explosives Prep. Time:
JOB TIME AND COST
Total Materials Cost: $177,746.64
36,595
linear feet
82.00
feet/hour
740.10
hours
7,800
feet
0.90
(DRMS est.)
0.67
(CH. Exc. HB)
49.45
feet/hour
139.05
hours
Total Job Time: 879.15 Hours
Unit cost: $1.144 per cu. yd. Total Job Cost: $777,656
BULLDOZER WORK