UFC 4-151-10
10 September 2001
2-2.1.4
Seasoning. Seasoning for untreated timber piles is not required.
2-2.1.5
Protection for Tops of Piling. Protection for the tops of untreated, un-
encapsulated timber piling is not required.
2-2.1.6
Species. Any species of wood may be used that will provide the necessary
structural capacity and that will withstand the driving stresses.
2-2.1.7
Peeling. Peeling of untreated timber piles is not required.
2-2.2
2-2.2.1
of butt diameter with respect to length in accordance with ANSI 05.1, Class 3 poles, those
most commonly used by utility companies and most likely to be stocked at mills.
2-2.2.2
appropriate American Wood Preservers Association (AWPA) Quality Mark as follows:
MP-1 (dual treatment) for use in areas of extreme borer hazard and in marine waters
where Limnoria and Pholadidea attack may be expected, or where oil slicks may
contribute to borer attack, and MP-2 for other conditions where pholad attack is not
expected. MP-4 treatment (water-borne preservatives) may be considered. For specific
requirements at particular locations, consult NAVFAC Engineering Command, Pacific
(PACDIV), Atlantic (LANTDIV), Northern Division (NORTHDIV), Southern Division
(SOUTHDIV), EFAWEST, and PWC Yokuska Applied Biology Offices. Refer to
2-2.2.3
Seasoning. Seasoning of treated timber piles is required prior to treatment.
2-2.2.4
Species. The preferred species are Southern pine and Douglas fir. Use of
other species is subject to NAVFAC approval. AWPA Quality Control Standards require
that the species be either Southern pine or Douglas fir. It is not normally necessary to
differentiate between these two species, as selection will be a function of geographic
availability. In areas where treatable soft woods are scarce or unavailable in the length
required, concrete piling often represents a more economical alternative than transported
timber piles.
2-2.2.5
Protection for Pile Tops. Treat cut ends by puddling creosote. Puddling
is accomplished by using a sheet metal band to form a reservoir on top of the pile. The
reservoir is filled with creosote oil and left to stand for 8 to 12 hours. Alternative
protection methods include coating pile tops with pitch (with or without sheet metal or
plastic covers).
2-6
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