2008-10-15_HYDROLOGY - M1997054

• Permit No: M1997054
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/15/2008
• Doc Name: Substitute Water Supply Plan
• From: OSE
• To: Applegate Group, Inc.
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Table-2
Front Range Aggregates, LLC
Parkdale Project M-97-054
Substitute Supply Plan - Operational Losses
111 (2) (3) (41
Applegate
Job q: 05-1
(5) (6) (7) (8)

Month Percent of
Annual
Aggregate
Production
Aggregate
Production
(tons) Water
Retained
in Product
(ac-ft) Water Used
For Gravel Operatio
Dust Control
(ac-ft) Water Used For
Granite Quarry
Dust Control
(ac-ft) Operational
Consumptive
Use
(ac-ft) Evaporative
Consumptive
Use
(ac-ft)
Total
Depletion
(ac-ft)
Apr 8.8% 66,000 1.9 0.8 0.7 3.4 0.4 3.8
May 9.6% 72,000 2.1 0.9 0.7 3.7 0.6 4.3
June 9.6% 72,000 2.1 0.9 0.7 3.7 0.8 4.5
July 9.6% 72,000 2.1 0.9 0.7 3.7 0.7 4.5
Aug 9.6% 72,000 2.1 0.9 0.7 3.7 0.6 4.4
Sept 9.6% 72,000 2.1 0.9 0.7 3.7 0.5 4.2
Oct 8.8% 66,000 1.9 0.8 0.7 3.4 0.4 3.8
Nov 6.9% 51,600 1.5 0.6 0.5 2.7 0.2 2.8
Dec 6.9% 51,600 1.5 0.6 0.5 2.7 0.1 2.8
Jan 6.9% 51,600 1.5 0.6 0.5 2.7 0.1 2.8
Feb 6.9% 51,600 1.5 0.6 0.5 2.7 0.2 2.8
Mar 6.9% 51,600 1.5 0.6 0.5 2.7 0.2 2.9
Total 100% 750,000 22.1 9.2 7.4 38.7 5.0 43.6
Total Material Mined = 750,000 tons
Moisture Content = 4.0%
Gravel Pit Dust Control = 9.2 ac-ft
Granite Quarry Dust Control = 7.4 ac-ft
Notes
(1) Based on estimated mining activity.
(2) Equals column (1) ' Total Material Mined.
(3) Equals column (2) • 4%' (2000 / 62.4) / 43,560.
(4) Dust control system: 14 nozzles apply water at 1.43 gallons per minute and will operate for 2,500 hours per year.
(5) Dust control system: 14 nozzles apply water at 1.43 gallons per minute and will operate for 1,000 hours per year.
(61 Equals column (3)+ column (4) + column (5).
(7) Taken from Table No. 1.
(8) Total Depletions equal column (5) + column (6).
Total Depletion = 43.6 acre-feet
Group. .,,.
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Prepared By: Michelle Hatcher
Date: April 24, 20
08
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