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 164
AFM 91-19 / TM 5-629 / NAVFAC MO-314
Attachment 25
24 May 1989
DOCUMENT D
Determination of Cost Effectiveness
Mowing Versus PGRs
PLACE:
DATE:
Description of Area:
Location:
Size:
Special Considerations:
Time between operations:
RAINY
DRY
FALL
SUMMER
Time of year: SPRING
(Circle the most appropriate
WARM SEASON
Grass Type: COOL SEASON
(Circle the most appropriate)
Source *
From Table 6-2
1. EFFECTIVENESS PERIOD . . . . . . . . . . . . . . . . . . . . . .
2. NO WEEKS BETWEEN PRESENT MOWING
Local estimate
OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3. NO. OF MOWING OPERATIONS . . . . . . . . . . . . . . . .
(1) (2)
Document C, line 5f
4. COST PER MOWING OPERATION . . . . . . . . . . . . . . .
5. TOTAL COST DURING EFFECTIVENESS PERIOD
(3) x (4)
6. SAVINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(5) (2)
Document C, line 5f
7. COST OF SPRAYING OPERATION . . . . . . . . . . . . . .
IF LINE 6 GREATER THAN LINE 7, THEN PGR IS COST-EFFECTIVE.
=
8. SAVINGS = $
-$
(LINE 6)
(LINE 7)
9. USE OF PROJECTED SAVINGS:
Cost
Project
a.
b.
*The figures in parentheses indicate lines of this document.
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