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11 <br /> 1 1 Designation AZ55 minimum. The vertical edges shall be neat interlocked hemmed edge <br /> 2 seam. The top and bottom of the door shall be enclosed with 14-gauge channels. Mortise <br /> I 3 and reinforcement for locks and hinges shall be 10-gauge steel. Welded top cap shall be <br /> 4 ground and filled for exterior applications. The bottom channel shall have weep holes. <br /> 5 <br /> 6 Each access door shall have three hinges.Access door hinges shall be ASTM A 276 Type <br /> 7 316 stainless steel, 4-%-inches square, with stainless steel ball bearing and non- <br /> 8 removable pins. <br /> 9 <br /> 10 Each access door shall have two pull plates. The pull plates shall be ASTM A 240 Type <br /> 11 316 stainless steel, with a grip handle of one-inch diameter and 8 to 10-inches in length. <br /> 12 <br /> I 13 The door assembly shall be fabricated and assembled as a complete unit including all <br /> 14 hardware specified prior to shipment. <br /> 15 <br /> I 16 9-06.18 Metal Bridge Railing <br /> 17 The second sentence of the first paragraph is revised to read: <br /> 18 <br /> I 19 Steel used for metal railings, when galvanized after fabrication in accordance with <br /> 20 AASHTO M111, shall have a controlled silicon content of either 0.00 to 0.06 percent or <br /> 21 0.15 to 0.25 percent. <br /> 22 <br /> 1 <br /> 23 9-07.AP9 <br /> 24 Section 9-07, Reinforcing Steel <br /> 25 April 2, 2018 <br /> I26 9-07.5(2) Corrosion Resistant Dowel Bars (for Cement Concrete Pavement and <br /> 27 Cement Concrete Pavement Rehabilitation) <br /> I 28 The first paragraph (up until the colon) is revised to read: <br /> 29 <br /> 30 Corrosion resistant dowel bars shall be 1'/2 inch outside diameter plain round steel bars <br /> I 31 or tubular bars 18 inches in length and meet the requirements of one of the following: <br /> 32 <br /> 33 Item number 4 and 5 of the first paragraph are revised to read: <br /> I 34 <br /> 35 4. Corrosion-resistant, low-carbon, chromium plain steel bars for concrete <br /> 36 reinforcement meeting all the requirements of ASTM A 1035 Alloy Type CS Grade <br /> I 37 100 or Alloy Type CS Grade 120. <br /> 38 <br /> 39 5. Zinc Clad dowel bars shall be 1% inch solid bars or tubular bars with 1.695 inch <br /> 40 outside diameter by 0.120 inch wall and shall have a minimum 0.035 inch A710 Zinc <br /> I41 alloy clad to a plain steel inner bar meeting the chemical and physical properties of <br /> 42 AASHTO M 31, Grade 60, or AASHTO M 255, Grade 60. A710 Zinc shall be <br /> 43 composed of: zinc: 99.5 percent, by weight, minimum; copper: 0.1-0.25 percent, by <br /> I44 weight; and iron: 0.0020 percent, by weight, maximum. Each end of tubular bars <br /> 45 shall be plugged using a snug-fitting insert to prohibit any intrusion of concrete or <br /> 46 other materials. <br /> 1 47 <br /> I <br /> I <br />