2011-04-13_INSPECTION - M1979205

• Permit No: M1979205
• IBM Index Class Name: INSPECTION
• Doc Date: 4/13/2011
• Doc Name: Inspection report
• From: DRMS
• To: Oldcastle SW Group, Inc.
• Inspection Date: 4/7/2011
• Email Name: DMC
• Media Type: D
• Archive: No

PUMPING WORK
Task description: Dewater Chambers Pit
Site: Chambers Pit
PROJECT IDENTIFICATION
Task #: 008 State: Colorado Abbreviation: None
Filename: M205-008
Date: 4/12/2011 County: Garfield
User: DMC
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Description Quantity
Make and Model: Centrifugal um - 200M, 10 in. 4
4
Attachment 1: Suction pipe - 10 in. diam., 25 ft. 4
Attachment 2: Discharge pipe - 10 in. D., 25 ft. 1
Labor Unit 1: Pump operator
Horsepower: 70
Shift Basis: 1 per day
Weight: 1.95
(US Tons)
Cost Breakdown:
Utilization %
Ownership Cost/Hour' $45.32 NA
Operating Cost/Hour: $66.84 100
Operator Cost/Hour: $19.42 NA
Total Unit Cost/Hour: $131.58
Total Fleet Cost/Hour: $131.58
PUMPING QUANTITIES
Initial Pond Volume: 131,439,338.00 Conversion factor: 1.0000
Final Pond Volume: 131,439,338.00 _ gallons
Unit inflow rate in
Total Pond Inflow Surface
000
112 Sq. ft. gph/sq. ft.: 0.3516
,
Area:
Total Pond Inflow Volume
per Hour: 39,379.20 gallons
Source of estimated volume: 20.17 acres, 20 ft. depth
PUMPING TIME
Maximum Pump Capacity: 200,000 gph/pump
Estimated Suction Head: 10 feet
Estimated Discharge Head: 5 feet
Total Head: 15 feet
CPB Pump Capacity: 201,000 gph/pump
Site Altitude: 5,320 feet
Adjusted Pumping Capacity: 804,000 gph
Initial Unadjusted Pumping Time: 163.48 hours
Inflow during Initial Pumping: 6,437,781 gallons
Net Unadjusted Pumping Time: 171.49 Hours
Altitude Adjustment Factor: 0.9400
3% rule
Pump Efficiency Factor: 0.9167 (55 min./hr.)
Total Adjusted Pumping Time: 147.77 hours
JOB TIME AND COST Hours
Total job time: 147.77
Unit cost: $0.000141 /Gallon Total job cost: $19,444.00
CIRCES Cost Estimating Software
Permit Action: 2011 Midterm Review
Permit/Job#: M1979205