The intent of performing a CCS is to be able to
design a maintenance coating project that carries
minimum risk of coating failure.
Ferrous Surface Preparation
SSPC Blasting/Cleaning Levelsa - Primer Types/Exposures
_______________________________________________________________________
Exposureb
________________________________________________________
Severec
Mild
Moderate
________________________________________________________
Primer Type
alkyd/oil
alkyd/oil
epoxy
latex
latex
silicone
oleoresinous
oleoresinous
inorganic
phenolic
phenolic
zinc-rich
Surface Condition
Uncoated
Oil, grease,
SP 1
for all moderate condi-
SP
10,
dirt
tions, select from
SP
12 WJ2
"mild" or "severe" for
or
SP 5
SP
12 WJ1
Localized
SP 2, SP 3, or
intended performance
AS ABOVE
corrosion -
SP 7
level
mill scale, SP 12 WJ-4
rust
Extensive
SP 6d
AS ABOVE
SP 12 WJ-3
Shop coated
e
Oil, grease,
AS ABOVE
dirt
Localized
SP 2, SP 3, or
AS ABOVE
damage to be SP 7, SP 12 WJ-4
spot repaired
SP 6d, SP 12 WJ-3
Extensive
AS ABOVE
Existing coating
e
e
Oil, grease
SP 1
f
g
Chalking,
foreign matter
other than
oil or grease,
localized
SECTION 09900
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