2009-12-15_PERMIT FILE - M2009079

• Permit No: M2009079
• IBM Index Class Name: PERMIT FILE
• Doc Date: 12/15/2009
• Doc Name: Reclamation Liability Estimate
• From: DRMS
• To: Precision Excavating, Inc.
• Email Name: GRM
• Media Type: D
• Archive: No

XXX
HOURLY PRODUCTION
Haul distance (feet)
_,.
Roll. res. ( %)
sheet 2 of 2
Hauling Capacity:
Travel time (min.) **
1
500
3.00
Scraper Payload (weight) Basis :
6.00
Scraper Bowl (volume) Basis:
0.39
2
Material weight:
2,550 pounds /LCY
Struck volume :
15.70
LCY
Material description :
.
JOB TIME AND COST
Heaped volume:
21.00
LCY
Earth - Dry packed
Hours
Average volume:
18.35
LCY
Rated payload :
48,000 pounds
Adjusted capacity :
18.35
LCY * **
Payload capacity:
18.82 LCY
"" hourly production reflects volume per scraper pair on push -pull models
Cycle Time:
Job Condition Corrections :
Site altitude (ft.) :
6,100
Scraper
Push dozer
Source
Scraper loading time * :
1.50 minutes
Altitude adj.:
1.000
NA
(C at HB)
Maneuver and spread time :
0.60 minutes
Job efficiency:
0.830
NA
(Cat HB)
* load time per scraper pair on push -pull models
Net correction :
0.830
NA
Travel time :
Road condition description : Rutted dirt, little maintenance, no water, 2" tire penetration
W -1 Rnnfo
Seg. #
Haul distance (feet)
Grade ( %)
Roll. res. ( %)
Total res. ( %)
Velocity (fpm)
Travel time (min.) **
1
500
3.00
3.00
6.00
1855
0.39
2
200
16.00
5.00
21.00
537
0.25
.
JOB TIME AND COST
Fleet size : 1 Team(s) Total job time :
86.87
Hours
Unit cost : $ 1.010 /LCY Total job cost :
$52,653
Haul time : 0.64 minutes
Return route :
1
200
-16.00
5.00
-11.00
2367
0.13
2
500
-3.00
3.00
0.00
2921
0.18
scraper(s)
Adjusted single scraper team (unit) hourly production :
600.15
LCY /hour
Adjusted multiple scraper team (fleet) hourly production :
600.15
LCY /hour
.
JOB TIME AND COST
Fleet size : 1 Team(s) Total job time :
86.87
Hours
Unit cost : $ 1.010 /LCY Total job cost :
$52,653
** travel time for each segment is adjusted for acceleration /deceleration. Return time :
0.
minutes
table velocities are max. attainable per total resistance shown, not average
Total scraper team cycle time (load + haul + maneuver and spread + return) :
3.05
minutes
Unadjusted unit production /hour : 361.53 LCY /hour * ** Adjusted for job conditions :
300.07
LCY /hour
Optimal number of scrapers per push dozer: NA Selected number of scrapers :
2
scraper(s)
Adjusted single scraper team (unit) hourly production :
600.15
LCY /hour
Adjusted multiple scraper team (fleet) hourly production :
600.15
LCY /hour
.
JOB TIME AND COST
Fleet size : 1 Team(s) Total job time :
86.87
Hours
Unit cost : $ 1.010 /LCY Total job cost :
$52,653