For repair projects, specify appropriate portions
of the steel surfacing requirements (according to
NACE RPO178) from Section 13205 STEEL TANKS WITH
FIXED ROOFS.
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NOTE: Designs for maintenance painting of fuel tank
linings should be based on recent inspections.
Wherever possible, a coating inspection, or Coating
Condition Survey (CCS), as described in Section
09971 EXTERIOR COATING OF STEEL STRUCTURES, should
be accomplished prior to designing a coating project
for fuel tank interiors. The hazard of designing a
project without a recent inspection is that there is
little way of knowing the condition of the coating
system, or the steel surfaces, without competent
inspection. It is not always cost effective to
replace the entire coating system in a fuel tank,
however, this is the tendency in preparing a design
without inspection results.
Do not provide general overcoat to a fuel tank
lining unless recommended in a CCS to add corrosion
protection. Provide complete removal and
replacement, or repairs to existing, as deemed
appropriate. Overcoating the interior of a tank is
generally a liability unless extraordinary measures
are taken to ensure adhesion to the old coating,
regardless of whether it is epoxy or urethane.
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NOTE: Designers are encouraged to contact J. H.
Brandon, LANTNAVFACENGCOM 1613G, 757 322-4645,
brandonjh@efdlant.navfac.navy.mil prior to beginning
a new Navy design.
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PART 1
GENERAL
1.1
REFERENCES
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NOTE: Issue (date) of references included in
project specifications need not be more current than
provided by the latest guide specification. Use of
SpecsIntact automated reference checking is
recommended for projects based on older guide
specifications.
**************************************************************************
The publications listed below form a part of this specification to the
extent referenced. The publications are referred to within the text by the
basic designation only.
AMERICAN PETROLEUM INSTITUTE (API)
API Std 650
(1998; A 2001) Welded Steel Tanks for Oil
SECTION 09970
Page 6
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