Ariston Pacific, Inc. 5/9/2016 - Laserfiche WebLink

I 1 perpendicular as possible to the surface from 5 to 8 inches from the surface of the 1 2 work. 3 4 Manual spraying shall be done in a block pattern, typically 2 feet by 2 feet square. 5 The sprayed metal shall overlap on each pass to ensure uniform coverage. The I6 specified thickness of the coating shall be applied in multiple layers. In no case are 7 fewer than two passes of thermal spraying, overlapping at right angles, acceptable. 8 I 9 At least one single layer of coating shall be applied within 4 hours of blasting and 10 the surface shall be completely coated to the specified thickness within 8 hours of 11 blasting. I 12 13 The minimum coating thickness shall be 6 mils unless otherwise shown in the 14 Plans. I 15 16 6-07.3(14)G Applications of Shop Coats and Field Coats 17 The surface shall be wiped clean with solvent immediately before applying the I 18 19 wash primer. The wash primer shall have a low viscosity appropriate for absorption into the thermal spray coating, and shall be applied within 8 hours after completion 20 of thermal spraying or before oxidation occurs. The dry film thickness of the wash 21 primer shall not exceed 0.5 mils or be less than 0.3 mils. It shall be applied using I22 an appropriate spray gun except in those areas where brush or roller application is 23 necessary. The subsequent shop primer or field coats shall be applied no less than 24 one-half hour after a wash primer. I 25 26 The shop primer coat, when specified, shall be applied in accordance with Section 27 6-07.3(11)A and the paint manufacturer's recommendations. I 28 29 All field coats, when specified, shall be applied in accordance with Section 6- 30 07.3(11)A and the paint manufacturer's recommendations. The color of the top I 31 coat shall conform to Section 6-03.3(30) as supplemented in these Special 32 Provisions. 33 I 34 6-07.3(2) Submittals 35 The first paragraph is revised to read: 36 I37 The Contractor shall submit Type 2 Working Drawings of the painting plan. 38 39 6-07.3(10)A Containment 40 The second paragraph is revised to read: I41 42 The containment length shall not exceed the length of a span (defined as pier to pier). 43 The containment system shall not cause any damage to the existing structure. All I 44 clamps and other attachment devices shall be padded or designed such that they shall 45 not mark or otherwise damage the steel member to which they are attached. All clamps 46 and other attachment devices shall be fully described in the Contractor's painting plan I 47 Working Drawing submittal. Field welding of attachments to the existing structure will 48 not be allowed. The Contractor shall not drill holes into the existing structure or through 49 existing structural members except as shown in the Contractor's painting plan Working I 50 51 Drawing submittal. All provisions for dust collection, ventilation and auxiliary lighting within the containment system shall be fully described the Contractor's painting plan 52 Working Drawing submittal. I I AMENDMENTS TO THE 2014 STANDARD SPECIFICATIONS BOOK Revised: 8/3/15