2012-07-27_REVISION - C1992081 ‎(6)‎

• Permit No: C1992081
• IBM Index Class Name: Revision
• Doc Date: 7/27/2012
• Doc Name: Proposed Decision Letter & Form and Cost Estimate
• From: DRMS
• To: Hayden Gulch Terminal, LLC
• Type & Sequence: SL1
• Email Name: JLE
• Email Name: SB1
• Media Type: D
• Archive: No

Scraper Worksheet Cont'd Task # 024 Page 2 of 2
Cycle Time:
Scraper Loading Time:
Maneuver and Spread Time:
Job Condition Correction:
1.40 Minutes
0.60 Minutes
Site Altitude: 6400 feet
Net Correction: 0,830 I NA
Travel Time:
Road Condition: Rutted dirt, little maintenance, no water, l" tire penetration 4.0
Haul Route:
Seg # Haul Distance (Ft) Grade Roll. Res Total Res Velocity (fpm) Travel Time
°CQ % % (min)
1 2000.00 3.00 4.00 7.00 1362 1.54
Haul Time: 1.54 minutes
Return Route:
Seg #
Scraper
Push Dozer
Source
Total Res
%
AItitude Ad':
1.000
NA
CAT HB)
Job Efficiency:
0,830
NA
CAT H$)
Net Correction: 0,830 I NA
Travel Time:
Road Condition: Rutted dirt, little maintenance, no water, l" tire penetration 4.0
Haul Route:
Seg # Haul Distance (Ft) Grade Roll. Res Total Res Velocity (fpm) Travel Time
°CQ % % (min)
1 2000.00 3.00 4.00 7.00 1362 1.54
Haul Time: 1.54 minutes
Return Route:
Seg #
Haul Distance (Ft)
Grade
°fn
Roll. Res
%
Total Res
%
Velocity (fpm)
Travel Time
(min)
73496
1
2000.00
-3.00
4.00
1.00
2963
0.79
Adjusted multiple scraper team (fleet) hourly production:
Return Time:
0.79
minutes
Total Scraper team cycle time:
393
minutes
Adjusted for job conditions:
73496
LCY /Hour
Selected Number of Scrapers:
2
Scraper(s)
Adjusted single scraper team (unit) hourly production:
734.96
LCYiHour
Adjusted multiple scraper team (fleet) hourly production:
734.96
LCYIHour
Unadjusted unit production/hour: 885.50 LCY1Hour
Optimal Number of Scrapers per push dozer:
JOB TIME AND COST
Fleet size: 1 Team(s) Total jab time: 122.73 Hours
Unit cost: $0.984 /LCY Total job cost: $88,763.87
CiRCES Cost Estimating Software