TM 10-4320-317-13
(1)
Select a level site (1) that will extend at least 2 ft (0.5 m) beyond the empty flat storage tank dimensions (2).
(2)
Clean and level an area 28 ft X 32 ft (8.54 m X 9.76 m).
(3)
Inspect area closely. Remove all sharp objects that might puncture or scrape tank
NOTE
Center should be no more than 9 in. (22.86 cm) below ground level.
(4)
Slope all four sides of leveled area toward center (3).
Figure 2-18. Storage Tank Location Preparation
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