PERMFILE134114

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 4/4/2003
• Section_Exhibit Name: Exhibit 28 Bond Calculations
• Media Type: D
• Archive: Yes

Colorado Division of Minerals and Geology
ESTIMATING FORM - MOTOR GRADER WORK
•
Task q: 39 Prep. by: JHB Task Pile Name: C012-39
Date: Ofi/10/98 Permit p:C-B1-012 Mirte: Hew Elk Mine
Permit Action: TR-41
Task Description: Finish grade J.B4at. E. of entrance (Task completed)
HOURLY EQUIPMENT COST
..................... Basic Machine: CAT 14 SERIES G HO rsepower: 200
Attachment kl: N/A Shift Basis: 1/day
Attachment k2: N/A -- ~- ---
' Cost Breakdown: -'-"--- -'- ""---~ '
"°-'°'--'-' ~ Utilization t (DQI 4•b~)
Ownership cost/hr 5]1. 50 N/A
Operating 6 overhaul coat/hr -grader - 536. 55 100
-ripper $0. 00 N/A
Operator cost/hr - $23. 12 N/A
' Total egpt. unit cost/hr = 591. 16 Total fleet cost/hr: $91.16
MASEAIAL QUANTITIES
• ---
a
area to be graded: 3.84
Total acres
Source of quantity Cake-off: Map 15
HOURLY PRODUCTION
.................
Selected grading activity/work level:
Medium
gzading only
Unadjusted hourly unit production: 1 .'19 acres/hr (Cat Handbook rb 6)
Job Condition Correction Factors:
________________________________
Avg. site altitude '1400 fc.
Altitude adjustment: 1.00 (Cat Handbook yDm)
Job efficiency.... 0.8J fish/day tQ6)
Net Soh COrrection: O.B3
Adj usced hourly unit production: 1 .49 acres/hr
' Adj uated hourly fleet production: 1 .a9 acres/hc
JOB COST
.......
Fleet size 1 Grader(s)
Total
Job Time
: 2.58 Hours
• '
Unit Cost $61 358 /acre Total Jab [ost : $2]5
62
~X~ ~- 6s
Rev~sQ.2 Y/~ z-