UFC 4-150-07
19 June 2001
over water is restricted in California and other areas. Consult your
environmental or safety office before using.
Pile Top Bonnet. This method uses liquid preservative in the pile
top and a protective bonnet or cap fabricated of two layers of tar
saturated fabric or tar paper or fiberglass. Formation of reservoir is
optional. See Paragraph 3-2.3.2 for selecting a preservative. This
method can be used to repair a rotted pile top, as shown in Figure
3-3, or as a preventive measure on a sound pile.
Figure 3-2. Fumigant Vials for Timber Piles
Bore 19 mm (3/4 inch) by 102 mm (4 inch) holes;
insert vial and hardwood plug
Figure 3-3. Pile Top Bonnet for Timber Piles
3-10
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