Kamins Construction Inc Pacific Ave to Interurban Trail Bicycle Safety

I I 1 6-07.3(10)0 Applying Field Coatings 2 The second to last paragraph is revised to read: 3 4 Each application of primer, primer stripe, intermediate, intermediate stripe, and top coat I 5 shall be considered as separately applied coats. The Contractor shall not use a preceding 6 or subsequent coat to remedy a deficiency in another coat. The Contractor shall apply the 7 top coat to at least the minimum specified top coat thickness, to provide a uniform I 8 appearance and consistent finish coverage. 9 10 6-07.3(10)P Field Coating Repair I 11 The second sentence is revised to read: 12 13 Repair areas shall be cleaned of all damaged paint and the system reapplied using all 14 coats typical to the paint system and shall meet the minimum coating thickness. I 15 16 6-07.3(11)A Painting of Galvanized Surfaces 17 This section is revised to read: I 18 19 All galvanized surfaces receiving paint shall be prepared for painting in accordance with 20 the ASTM D 6386. The method of preparation shall be brush-off in accordance with SSPC- 111 21 SP16 Brush-Off Blast Cleaning of Coated and Uncoated Galvanized Steel, Stainless 22 Steels, and Non-Ferrous Metals or as otherwise allowed by the Engineer. The Contractor 23 shall not begin painting until receiving the Engineer's acceptance of the prepared I 24 galvanized surface. For galvanized bolts used for replacement of deteriorated existing 25 rivets, the Contractor. with the concurrence of the Engineer and after successful 26 demonstration testing, may prepare galvanized surfaces in accordance with SSPC-SP1 27 followed by SSPC-SP2, Hand Tool Cleaning or SSPC-SP3, Power Tool Cleaning. The I 28 demonstration testing shall include adhesion testing of the first coat of paint over 29 galvanized bolts, nuts, and washers or a representative galvanized surface. Adhesion 30 testing shall be performed in accordance with ASTM D 4541 for 600 psi minimum I 31 adhesion. A minimum of 3 successful tests shall be performed on the galvanized surface 32 prepared and painted using the same methods and materials to be used on the galvanized 33 bolts, nuts and washers in the field. I 34 35 6-07.3(11)A2 Paint Coat Materials 36 This section is revised to read: I 38 The Contractor shall paint the dry surface as follows: 39 40 1. The first coat over a galvanized surface shall be an epoxy polyamide conforming I 41 42 to Section 9-08.1(2)E . In the case of galvanized bolts used for replacement of deteriorated existing rivets and for small surface areas less than or equal to one 43 square foot, an intermediate moisture cured polyurethane conforming to Section I 44 45 9-08.1(2)G may be used as a first coat. In both cases the first coat shall be compatible with galvanizing and as recommended by the top coat manufacturer. 46 47 2. The second coat shall be a top coat moisture cured aliphatic polyurethane I 48 conforming to Section 9-08.1(2)H or a top coat polyurethane conforming to 49 Section 6-07.3(10)H Option 2 NEPCOAT performance based paint specification 50 compatible with the first coat as recommended by the manufacturer. I 51 1 CITY OF EVERETT AMENDMENTS PACIFIC AVENUE TO INTERURBAN TRAIL BICYCLE SAFETY PROJECT 8/12/2019 I STATE FUND#HLP PB17(014); COE#PW3688 Page AM-53