Rodarte Construction Inc Everett Station Parking Expansion

I I 1 2 2. ASTM A513 steel tubes made from Grade 60 Carbon Steel Tube with a 1.625 inch I 3 outside diameter and a 0.120 inch wall thickness. Both the inside and outside of 4 the tube shall be zinc coated with G40 galvanizing in accordance with ASTM 5 A653. Following zinc coating the tubes shall be coated in accordance with I 6 Section 9-07.5(1) item 1. The ends of the tube shall be capped to prevent 7 intrusion of concrete or other materials. 8 9 9-07.5(2) Corrosion Resistant Dowel Bars (for Cement Concrete Pavement and I10 Cement Concrete Pavement Rehabilitation) 11 The first paragraph (up until the colon) is revised to read: 12 I 13 Corrosion resistant dowel bars shall be 11/2 inch outside diameter plain round steel bars or 14 tubular bars 18 inches in length and meet the requirements of one of the following: 15 I 16 Item number 4 and 5 of the first paragraph are revised to read: 17 18 4. Corrosion-resistant, low-carbon, chromium plain steel bars for concrete reinforcement I 19 meeting all the requirements of ASTM A 1035 Alloy Type CS Grade 100 or Alloy Type 20 CS Grade 120. 21 22 5. Zinc Clad dowel bars shall be 1% inch solid bars or 1.625 inch outside diameter by I 23 0.120 inch wall tubular bars meeting the chemical and physical properties of AASHTO 24 M 31, Grade 60, or AASHTO M 255, Grade 60. The bars shall have a minimum of 25 0.035 inches A710 Zinc alloy clad to the plain steel inner bar or tube. A710 Zinc shall I 26 be composed of: zinc: 99.5 percent, by weight, minimum; copper: 0.1-0.25 percent, by 27 weight; and iron: 0.0020 percent, by weight, maximum. Each end of tubular bars shall 28 be plugged using a snug-fitting insert to prohibit any intrusion of concrete or other 29 materials. 111 30 31 The numbered list in the first paragraph is supplemented with the following: 32 I 33 6. Multicoated fusion bonded epoxy bars shall consist of an ASTM A615 bar with 34 alternating layers of ASTM A934 coating and an abrasion resistant overcoat (ARO). 35 The ASTM A934 coating shall form the base and there shall be two layers of each I 36 coating material. The minimum thickness of the combined layers of the ASTM A934 37 coating and ARO coating shall be 20 mils. The ARO shall meet the following 38 requirements: I 39 Test Method Specification Gouge Resistance NACE TM0215, 30 kg wt., LS-1 bit @ 25°C <0.22 mm Gouge Resistance NACE TM0215, 50 kg wt., LS-1 bit @ 25°C <0.44 mm I 40 41 7. ASTM A513 steel tubes made from Grade 60 Carbon Steel Tube with a 1.625 inch 42 outside diameter and a 0.120 inch wall thickness. Both the inside and outside of the 43 tube shall be zinc coated with G90 galvanizing in accordance with ASTM A653. 44 Following zinc coating the tubes shall be coated in accordance with Section 9-07.5(1) 45 item 1. The ends of the tube shall be capped to prevent intrusion of concrete or other 1 46 materials. 47 I City of EverettPage AM 123 Amendments Everett Station 80 Stall Parking Expansion June 2019 I