EP 1110-1-8
(Vol. 9)
31 July 03
Table 3-1 Equipment Age Adjustment Factors for Ownership Cost
Year Purchased New
Life in Years
REGION 9
CATEGORY
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 16 17
TYPE OF EQUIPMENT
SUB
2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986
P65
0.12
1.04
1.02
1.00
1.00
0.99
0.97
0.95
0.93
SKID MOUNTED, ELECTRIC DRIVE
P65
0.21
1.05
1.02
1.00
1.00
0.99
0.97
0.95
0.93
WHEEL MOUNTED, ENGINE DRIVE
P65
0.22
1.04
1.02
1.00
1.00
0.99
0.97
0.95
0.93
WHEEL MOUNTED, ELECTRIC DRIVE
P70
0.00
PUMPS, WATER (For core drills)
P70
0.01
1.05
1.02
1.00
1.00
0.99
0.97
0.95
0.93
ENGINE DRIVE
P70
0.02
1.05
1.02
1.00
1.00
0.99
0.97
0.95
0.93
ELECTRIC DRIVE
R10
0.00
1.04
1.01
1.01
1.00
0.99
0.95
0.93
0.92
RIPPERS & HYDRAULIC BANK SLOPERS (Add cost for point wear)
R15
0.00
1.06
1.04
1.02
1.00
1.00
0.99
0.97
0.96
0.94
0.90
ROLLERS, STATIC, TOWED, PNEUMATIC
R20
0.00
1.06
1.04
1.02
1.00
1.00
0.99
0.97
0.96
0.94
0.90
ROLLERS, STATIC, TOWED, STEEL DRUM
R30
0.00
ROLLERS, STATIC, SELF-PROPELLED
R30
0.01
1.06
1.04
1.02
1.00
1.00
0.99
0.97
0.96
PNEUMATIC
R30
0.02
1.06
1.03
1.02
1.00
1.00
0.99
0.97
0.96
0.94
0.91
SMOOTH DRUM
R30
0.03
1.06
1.04
1.02
1.00
1.00
0.99
0.97
0.96
0.94
0.91
0.85
0.85
TAMPING FOOT, LANDFILL & SOIL COMPACTORS
R40
0.00
1.06
1.04
1.02
1.00
1.00
0.99
0.97
0.96
ROLLERS, VIBRATORY, TOWED
R45
0.00
1.06
1.04
1.02
1.00
1.00
0.99
0.97
0.96
ROLLERS, VIBRATORY, SELF-PROPELLED, DOUBLE DRUM
R50
0.00
1.07
1.04
1.02
1.00
1.00
0.99
0.97
0.96
ROLLERS, VIBRATORY, SELF-PROPELLED, SINGLE DRUM
R55
0.00
1.04
1.02
1.00
1.00
0.99
0.97
ROOFING EQUIPMENT
S10
0.00
SCRAPERS, ELEVATING
S10
0.01
1.04
1.02
1.01
1.00
0.98
0.95
0.92
0.90
0.85
0.83
0 THRU 200 HP
S10
0.02
1.04
1.02
1.01
1.00
0.98
0.94
0.92
0.90
0.84
0.82
0.79
0.74
0.71
OVER 200 HP
S15
0.00
1.04
1.02
1.01
1.00
0.98
0.95
0.92
0.91
0.85
0.83
0.81
0.75
0.72
0.69
0.66
SCRAPERS, CONVENTIONAL
S20
0.00
1.04
1.02
1.01
1.00
0.98
0.95
0.92
0.91
0.85
0.83
0.81
0.75
0.72
0.69
0.66
SCRAPERS, TANDEM POWERED
S25
0.00
1.04
1.02
1.01
1.00
0.98
0.95
0.92
0.90
0.85
0.83
0.80
0.75
SCRAPERS, TRACTOR DRAWN
S30
0.00
SCREENING & CRUSHING PLANTS
S30
0.10
1.04
1.02
1.00
1.00
0.99
0.97
0.95
0.94
0.91
0.89
CONVEYORS
S30
0.20
1.04
1.02
1.00
1.00
0.99
0.98
0.95
0.94
0.92
0.89
0.88
0.86
0.83
0.81
0.78
0.74
0.72
0.70
CRUSHERS - VERTICAL & HORIZONTAL SHAFT IMPACTOR
S30
0.21
1.04
1.02
1.00
1.00
0.99
0.98
0.95
0.94
0.92
0.89
0.88
0.86
0.83
0.81
0.78
0.74
0.72
0.70
CRUSHERS - CONE
3- 16
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