PERMFILE69381

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: COST TABLES
• Section_Exhibit Name: EXHIBIT 13 APPENDIX B
• Media Type: D
• Archive: Yes

PRODUCTZOt~ USI21G C:ERPILi.?~ 7778 HAGZ TRUCKS
COLOWYO COAL COMPANY
1991 PERMIT REVISION AND RENEWAL
• PERMIT BOND CALCULATIONS
ROUTE: RT 15A~7 - TOPSOIL
H_? UL
OR SECTION DISTANCE GRADE S?E.7 RESISTANC? S?.=D
RETUP?t ~ (F T.) (%) FACTOR (%) (:•~?::)
ii2,UL 1 500 -8.00 0.80 4.00 30.1'_
HAUL 2 1750 -8.40 0.80 3.00 24.70
F.AUL 3 3375 -7.90 0.80 4.00 30.11
TOTAL F.AUL 5025 -8.06 0.80 3.69 22.43
RETL?.N 1 3375 7.90 1.00 4.00 15.50
RETURi7 2 1750 8.40 1.00 3.00 16.58
RETUR?7 3 500 8.00 1.00 4.00 15.40
TOTAL RETL?~: 5025 8.06 1.00 3.59 10.54
•

ROUTE°:RT 15:.,,r7 - TOPSOIL
PRODUCTION R.?TES FOR HAUL TRUC:CS
TOTAL HAULAGE TIME LOP.DED = 2.2675
TOTAL RETURN TIME EMPTY = 3.2414
TOTAL CYCLE TIME (MINUTES) = 10.5089
AVERAGE TRIPS PER HOLD = 4.7574
TOTAL CYDS PER TRIP = 67.1000 _
TOTAL CYDS PER HOUR = 319.2524
PRODUCTION ASSUPiPT20NS FOR HAUL TRUCKS
SPOT TIME = 0.70
LOAD TIME = 2.70
• DU2•SP TZME = 1.00
DELAY TI.M.E = 0.00
WORKING MINUTES PER HOUR = 50.00
B-16