EP 1110-1-8
(Vol. 2)
31 July 03
5. OPERATING COST (Continued)
e.
Tire Wear Cost: (Use current price levels. See Appendix F)
(1)
Front Tires (FT):
[1.5 x (FT Cost)] / [1.8 x (FT Wear Factor) x (Maximum Tire Life Hours)]
[1.a.(9)(a)]
[1.c.(9)(a)]
[Appendix G]
[1.5 x ($3,520.00
)] / [1.8 x (0.97
) x (2,500
/hr)]
/hr
=$
1.21
(2)
Drive Tires (DT):
[1.5 x (DT Cost)] / [1.8 x (DT Wear Factor) x (Maximum Tire Life Hours)]
[1.a.(9)(b)]
[1.c.(9)(b)]
[Appendix G]
[1.5 x ($7,040.00
)] / [1.8 x (0.78
) x (2500
/hr)]
/hr
=$
3.01
(3)
Trailing Tires (TT):
[1.5 x (TT Cost)] / [1.8 x (TT Wear Factor) x (Maximum Tire Life Hours)]
[1.a.(9)(c)]
[1.c.(9)(c)]
[Appendix G]
)] / [1.8 x (0
) x (0
/hr)]
[1.5 x ($0.00
/hr
=$
0.00
/hr
(4)
Total Tire Wear Cost:
Total [5.e.]=$
4.22
[Sum 5.e.(1) through 5.e.(3)]
f.
Tire Repair Cost:
(Total Tire Wear Cost) x 0.15 x (LAF)
[5.e.(4)]
[Appendix B]
($4.22
/hr) x 0.15 x (1.04
)
Total [5.f.]=$
/hr
0.66
/hr
g.
TOTAL HOURLY OPERATING COST:
TOTAL [5.]=$
77.87
[Sum 5.a. through 5.f.]
Figure 2-1. Equipment Rate Computation Worksheet
Page 5 of 6
2-17
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