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INDIAN RIVER COUNTY JULY 25, 2014
<br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS
<br />5. Commercial Blast Cleaning, SSPC-SP6 or NACE 3: A Commercial Blast Cleaned surface,
<br />when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, mill
<br />scale, rust, paint, oxides, corrosion products, and other foreign matter, except for staining.
<br />Staining shall be limited to no more than 33 percent of each square inch of surface area and
<br />may consist of light shadows, slight streaks, or minor discoloration caused by stains of rust,
<br />stains of mill scale, or stains of previously applied paint. Before blast cleaning, visible
<br />deposits of oil or grease shall be removed by any of the methods specified in SSPC-SP1 or
<br />other agreed upon methods.
<br />6. Brush -Off Blast Cleaning, SSPC-SP7 or NACE 4: A Brush -Off Blast Cleaned surface,
<br />when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, loose
<br />mill scale, loose rust, and loose paint. Tightly adherent mill scale, rust, and paint may
<br />remain on the surface. Before blast cleaning, visible deposits of oil or grease shall be
<br />removed by any of the methods specified in SSPC-SP 1 or other agreed upon methods.
<br />7. Power Tool Cleaning to Bare Metal, SSPC-SP11: Metallic surfaces that are prepared
<br />according to this specification, when viewed without magnification, shall be free of all
<br />visible oil, grease, dirt, dust, mill scale, rust, paint, oxide corrosion products, and other
<br />foreign matter. Slight residues of rust and paint may be left in the lower portions of pits if
<br />the original surface is pitted. Prior to power tool surface preparation, remove visible
<br />deposits of oil or grease by any of the methods specified in SSPC-SP1, Solvent Cleaning,
<br />or other agreed upon methods.
<br />8. Near -White Blast Cleaning, SSPC-SP10 or NACE 2: A Near White Blast Cleaned surface,
<br />when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, mill
<br />scale, rust, paint, oxides, corrosion products, and other foreign matter, except for staining.
<br />Staining shall be limited to no more than 5 percent of each square inch of surface area and
<br />may consist of light shadows, slight streaks, or minor discoloration caused by stains of
<br />rust, stains of mill scale, or stains of previously applied paint. Before blast cleaning, visible
<br />deposits of oil or grease shall be removed by any of the methods specified in SSPC-SPI or
<br />other agreed upon methods.
<br />9. High- and Ultra -High Pressure Water Jetting for Steel and Other Hard Materials:
<br />SSPC-SP12 or NACE 5: This standard provides requirements for the use of high- and
<br />ultra-high pressure water jetting to achieve various degrees of surface cleanliness. This
<br />standard is limited in scope to the use of water only without the addition of solid particles
<br />in the stream.
<br />10. Water Blasting, SSPC-SPI2/NACE No. 5: Removal of oil grease dirt, loose rust, loose
<br />mill scale, and loose paint by water at pressures of 2,000 to 2,500 psi at a flow of 4 to 14
<br />gallons per minute.
<br />M. Vinyl Siding, Architectural Plastics, EIFS and Fiberglass: Clean thoroughly by scrubbing with a
<br />warm, soapy water solution. Rinse thoroughly. Do not paint vinyl siding with any color darker
<br />than the original color, unless the product and color are designed for such use. Painting with
<br />darker colors may cause siding to warp.
<br />N. Stucco: Must be clean and free of any loose stucco. If recommended procedures for applying
<br />stucco are followed, and normal drying conditions prevail, the surface may be painted in 30 days.
<br />The pH of the surface should be between 6 and 9, unless the products are designed to be used in
<br />high pH environments such as Loxon.
<br />O. Wood: Must be clean and dry. Prime and paint as soon as possible. Knots and pitch streaks must
<br />be scraped, sanded, and spot primed before a full priming coat is applied. Patch all nail holes and
<br />imperfections with a wood filler or putty and sand smooth.
<br />INTERIOR, EXTERIOR AND INDUSTRIAL PAINTS AND COATINGS 09900-8
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