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SSPC-SP 10
<br /> March 1, 1985
<br /> or other equipment may be necessary to achieve this re• specification before painting.
<br /> quirement. - 'NOTE: Information on rust-back (rerusting) and surface
<br /> condensation is contained in Sections A.7 and A.8 of the
<br /> 6.2 Any of the following methods of surface prepara-
<br /> tion may be used to achieve a Near-White Blast Cleaned Appendix.
<br /> surface: 8. Inspection
<br /> 6.21 Dry abrasive blasting using compressed air, 8.1 Work ana materials supplied under this specifica-
<br /> blast nozzles, and abrasive.
<br /> tion are subject to inspection by the party responsible for
<br /> 6.2.2 Dry abrasive blasting using a closed cycle, recir- establishing the requirements or his representative.
<br /> culating abrasive system with compressed air, blast noz- Materials and work areas shalt be accessible to the in-
<br /> zle, and abrasive, with or without vacuum for dust and spector. The procedures and times of inspection shall be
<br /> abrasive recovery. as agreed upon by the party responsible for establishing
<br /> 6.2.3 Dry abrasive blasting, using a closed cycle, the requirements and the party responsible for performing
<br /> recirculating abrasive system with centrifugal wheels and the work.
<br /> abrasive. 8.2 Conditions not complying with this specification
<br /> 6.3 Other methods of surface preparation (such as shall be corrected. In case of dispute the arbitration or
<br /> wet abrasive blasting) may be used to achieve a Near- settlement procedure established in the procurement
<br /> White Blast Cleaned surface by mutual agreement be- documents (project specification) shall be followed. If no
<br /> tween the party responsible for performing the work and arbitration or settlement procedure is established, then
<br /> the party responsible for establishing the requirements or the procedure established by the American Arbitration
<br /> his representative.
<br /> Association shall be used.
<br /> NOTE: it wet abrasive blasting is used, information on the 8,3 The procurement documents (project specifica-
<br /> use of inhibitors to prevent the formation of rust im- tion)should establish the responsibility for inspection and
<br /> mediately after wet blast cleaning is contained in Section for any required affidavit certifying compliance with the
<br /> A.9 of the Appendix specification.
<br /> 7. Procedures Following Blast Cleaning and g. Safety and Environmental Requirements
<br /> Immediately Prior to Painting
<br /> 9.1 Blast cleaning is a l
<br /> hazardous operation.
<br /> 7.1 Visible deposits of oil, grease, or other con- Therefore,all work shall be conducted in such a manner to ;
<br /> taminants shall be removed by any of the methods comply with all applicable insurance underwriter, local,
<br /> specified in SSPC-SP 1 or other methods agreed upon by state, and federal safety and environmental rules and
<br /> the party responsible for establishing the requirements requirements.
<br /> and the party responsible for performing the work. *NOTE: SSPC-PA Guide 3, "A Guide to Safety in Paint
<br /> 7.2 Dust and loose residues shall be removed from Application," addresses safety concerns for coating work.
<br /> prepared surfaces by brushing, blowing off with clean, dry
<br /> air, vacuum cleaning or other methods agreed upon by the 10. Comments
<br /> party responsible for establishing the requirements and 10,1 While every precaution is taken to insure that all
<br /> the party responsible for performing the work. Moisture information furnished in SSPC specifications is as ac-
<br /> separators, oil separators, traps, or other equipment may curate, complete, and useful as possible, the Steel Struc-
<br /> be necessary to achieve clean, dry air. tures Painting Council cannot assume responsibility nor ;
<br /> 7.3 After blast cleaning, surface imperfections which incur any obligation resulting from the use of any mate.
<br /> remain (i.e., sharp fins, sharp edges, weld spatter, burning rials, paints, or methods specified therein, or of the
<br /> slag, scabs, slivers, etc.) shall be removed to the extent re- specification itself.
<br /> quired in the procurement documents (project specifica- 10.2 Additional information and data relative to this
<br /> tion). Any damage to the surface profile resulting from the specification are contained in the following brief Appen-
<br /> removal of surface imperfections shall be corrected todix. More detailed information and data are presented in a
<br /> meet the requirements of Section 2.4. separate document, SSPC-SP COM, "Surface Preparation
<br /> 'NOTE:Additional information on surface imperfections is Commentary." The recommendations contained in the
<br /> contained in Section A.5 of the Appendix. Notes,Appendix, and SSPC-SP COM are believed to repre-
<br /> 7.4 Any visible rust that forms on the surface of the sent good practice, but are not to be considered as re-
<br /> steel after blast cleaning shall be removed by reblasting quirements of the specification. The table below lists the
<br /> the rusted areas to meet the requirements of this subjects discussed relevant to Near-White Blast Cleaning s
<br /> �— 54 ;
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