Sandblast exterior surfaces of the metal hull in accordance with the latest
edition of the "Steel Structures Painting Manual, Vol. II, Systems and
Specifications," Specification SSPC-SP-10. All sharp and irregular edges
will be ground smooth.
5.4.2 FOAM FILLED ELASTOMER COVERED BUOYS. In the event of small rips, tears,
punctures, or gouges in the skin and underlying foam, a repair kit containing the
components and procedures required to accomplish minor repairs can be obtained
from commercial vendors. If the buoy should be severly damaged and major repairs
are required, the manufacturer of the buoy should be contacted for advice and/or
5.4.3 FIBERGLASS POLYESTER RESIN (FPR) COATING REPAIRS. Fiberglass patches
will be applied as instructed below:
Immediately after sandblasting the areas to be repaired (as noted in
Paragraph 5.4.1), apply one coat of pretreatment primer (MIL-P-15328,
Formula 117), 0.3 to 0.5 mil thickness. The thickness of the primer shall
not exceed 0.5 roil. Film thickness will be checked with a microtest
thickness guage or a comparable instrument.
After the pretreatment primer has dried, a p p l y one coat of clear
polyester resin (M IL-R-21 607) to the surfaces that are to receive the FPR
No sandblasted surface will remain uncoated
for more than 4 hours.