SSPC SP 7]; [Water jetting to SSPC SP 12 WJ-4 may be used to
remove loose coating and other loose materials. Use inhibitor as
recommended by coating manufacturer to prevent premature rusting.]
Shop-coated ferrous surfaces shall be protected from corrosion by
treating and touching up corroded areas immediately upon detection.
b.
Surfaces With More Than 20 Percent Rust, Mill Scale, and Other
Foreign Substances: Clean entire surface in accordance with [SSPC
SP 6/SSPC SP 12 WJ-3][SSPC SP 10/SSPC SP 12 WJ-2].
**************************************************************************
NOTE: Regarding text below, for new or existing
uncoated surfaces requiring nonslip coating, specify
MPI 77 with non-skid additive (NSA). For rusted
surfaces, modify surface preparation requirements to
include near white blast cleaning in accordance with
SSPC SP 10 prior to coating application.
**************************************************************************
[c.
Metal Floor Surfaces to Receive Nonslip Coating:
Clean in
accordance with [SSPC SP 10][SSPC SP 12 WJ-2].]
3.5.2
Final Ferrous Surface Condition:
**************************************************************************
NOTE: Verify there are no local or base
restrictions on use of abrasive blasting. Specify
cleaning options as follows:
Type Coating
Level of Cleaning,
SSPC SP ...
___________
__________________
a.
Latex or Alkyd
2,3,6 or SP 12
WJ-2.(7 and 10, SP 12 WJ-2
or SP 12 WJ-1 may be left
in as Contractor options)
b.
High Performance
7,10
(i.e. Epoxy, Urethane,
others)
**************************************************************************
For tool cleaned surfaces, the requirements are stated in SSPC SP 2 and
SSPC SP 3. As a visual reference, cleaned surfaces shall be similar to
photographs in SSPC VIS 3.
For abrasive blast cleaned surfaces, the requirements are stated in SSPC SP
7, SSPC SP 6, and SSPC SP 10. As a visual reference, cleaned surfaces
shall be similar to photographs in SSPC VIS 1.
For waterjet cleaned surfaces, the requirements are stated in SSPC SP 12.
As a visual reference, cleaned surfaces shall be similar to photographs in
SSPC VIS 4.
3.5.3
Galvanized Surfaces
a.
New or Existing Galvanized Surfaces With Only Dirt and Zinc
SECTION 09900
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