BOARD01713

• Board Meeting Date: 7/28/2003
• Description: CF Section - Tamarisk Control and Eradication Update
• Board Meetings - Doc Type: Memo

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Owning & Operating Cost Estimate for High Capacity Tamarisk Clearing and Mulching Equipment
Hydro Ax 721E and FECOH Bull Hog shredder - 100% of land occupied by Tamarisk
[High end costs] .

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Items
Initial Investment
Salvage Value
Amount to Depreciate
Economic Life
Machine Days per Year
Hours Worked Per Day
Available Machine Hours, hrs/yr
Average acres cleared per hour
Total acres cleared per year
I nterest Rate
Equipment Insurance Rate
General Liability Insurance Rate
Repair Cost Ratio
Repair Cost, $/Life
Fuel, $/US gal.
Fuel consumption per hour
Tire Replacement Cost

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Mulching Equipment Fixed Costs
Depreciation, $/yr
Interest & Insurance $/yr
Total Fixed Costs $/yr
Total Fixed Costs $/hr

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Mulching Equipment Variable Costs
Maintenance & Repair, $/hr
Fuel, $/hr
Lubricant, $/hr
Tires, $/hr
Total Variable Costs, $/hr

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Mulching Equipment Labor Costs
Equipment operator $/hr
Taxes, Benefits, Overhead @ 40%, $/hr
Multiplier for travel and setup at 25%, $/hr
Total Labor Costs $/hour

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Total Mulching Equipment Costs $/hr

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Herbicide Spray Equipment Costs
A TV spray equipment and mixing systems
Salvage Value
Amount to Depreciate
Economic Life
Equipment costs $/hr
Interest & Insurance $/hr
Maintenance $/hr
Fuel $/hr
Lubrication $/hr
Total Herbicide Equipment Costs $/hr

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Total Herbicide Labor Costs $/hour

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Herbicide Costs $Iacre
Herbicide Costs $/hr

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Total Herbicide Application Costs $/hr

Transport, 5-ton tractor truck

Scheduling and Reserve Fund, $/hr
I Total EquipmenULabor/Chemical Costs S/hr
Total Costs per acre treated $/acre

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$
$
$

300,000,00
75,000,00
225,000,00
8,00
200,00
8,00
1280,00
0.75
960.00
9%
2%
5%
0,35
105,000.00
1.50
8.00
10,000,00

$
$
$

$
$
$
$

28,125,00
36,000.00
64,125.00
50.10

$
$
$
$
$

10,25
12,00
3.00
1.54
26.79

$
$
$
$
$

20.00
8.00
7.00
35.00

111.89

$ 7,500.00
$ 1,875.00
$ 5,625.00
4,00
$ 1.46
$ 0.70
$ 0.51
$ 1.50
$ 0,38
$ 4.56
$ 35.00
$ 180.00
$ 135.00
$ 174.56
$ 19.53
$ 30.00
$ 335.98
$ 447.97

Comments

Hydro Ax with Hull Hog shredder and trailer
At 25% of initial value

Assumes 75% availability

Assumes 80% active clearing, 20% transport and setup
Very dense tamarisk growth

Initial investment times repair cost ratio

6,500 hours life expectancy

Lubrication costs are 25% of fuel costs

At 25% of initial value

At 35% of total costs 1 economic life 1 Available hours
At 1,0 gallons/hour
Lubrication costs are 25% offuel costs
Based on 1,280 hours of available equipment use

Same as Mulching equipment labor costs

Garton 4 application, Average = 2.0 gal/acre at $90/gal, includes surfactant

Lease for truck, insurance, fuel, maintenance at 10,000 milyr & $2,50/mi