GALVANIZED STEEL SIGN POSTS 721.03 725 720.05 SHIPPING AND ERECTIO N Protect the structures to prevent damage or defacement during transportation or handling. Th e Resident Engineer will visually inspect the structure when delivered to the project. Repair or replace defects as approved by the Resident Engineer, at no additional cost to the Department . The Department will not allow the use of metal tie -downs in di rect contact with the structure. The Resident Engineer will not accept damaged or defaced galvanized steel structures, unless in the opinion of the Resident Engineer, the injury or defacement is so slight that it can be quickly and efficiently re-galvanize d or metalized in accordance with AWS C2.2.
720.06 Electrical Requireme Nts
Provide electrical equipment, materials, and installation methods in accordance with NEC and the electrical code in the appropriate jurisdiction. If power is not present at the project site, provide temporary power to the site to demonstrate proper installation of fixtures and equipment.
721.01 Pipe Posts
Provide posts made of new galvani zed steel pipe in accordance with ASTM A 53/ A 53M or ASTM F 1083. Use standard weight, Schedule 40 pipe. Provide cap plates made of, ASTM A709, Grade 36 structural steel, galvanized in accordance with AASHTO M 111. Galvanize pipe posts after fabricatio n, hole punching, or drilling, except, for signs that are minor items or incidental construction, drill or punch sign post holes and cut one end to length after galvanizing as approved by the Resident Engineer. Treat the exposed metal surfaces of these mi nor items or incidental construction by re -galvanizing, metalizing, or painting with at least 90 percent zinc -rich paint.
721.02 Wide Flange Beam Pos Ts
Provide galvanized steel wide flanged beams in accordance with ASTM A709, Grade 36. Galvanize in accord ance with AASHTO M 111 after cutting, punching, or drilling holes.
721.03 Square Tube Posts
Provide square tube posts made from new hot -rolled carbon sheet steel, structural quality, ASTM A 1011/ A 1011M. Provide a finish that is in -line, hot -dip galvanized zinc coating in accordance with AASHTO M 111, followed by a chromate conversion coating, and a clear organic exterior coating. Provide posts with 7/16 in [11.1 mm] diameter holes or perforated holes spaced 1 in [25.4 mm] on center along the center of each of the four sides.
723.06 Reinforcing Steel
726 721.04 FLANGE CHANNEL POSTS Provide new galvanized flange channel posts of the size shown on the Plans and in accordance with ASTM A709, Grade 36. Galvanize posts in accordance with AASHTO M 111 after cutting, punching, or drilling holes. SECTION 723 REINFORCING STEEL
723.01 Bar Steel Reinforcem Ent — Billet Steel
Provide plain or deformed billet steel bars for concrete reinforcement and dowels in accordance with AASHTO M 31 or M 322, Grade 60 [420], except, provide deformed billet steel bars for bent tie bars used in concrete paving in accordance with AASHTO M 31 or M 322, Grade 40 [280].
723.02 Welded Steel Wire Fa Bric
Provide cold drawn steel wire fabric for concrete reinforceme nt in accordance with AASHTO M 55 or AASHTO M 221. Provide the wire size and spacing as shown on the Plans. Provide reinforcing fabric in flat sheets or rolls. Straighten bent or distorted materials before use. Ensure the fabric is free of excessive rus t, scale, or coating that may impair the concrete bond.
723.03 Steel Wire Strand Fo R Prestressing
Provide steel wire strands for prestressing in accordance with AASHTO M 203, Grade 270 [1860], for low-relaxation and stress -relieved (normal -relaxation). Pr ovide low -relaxation strand in accordance with the supplementary requirements in AASHTO M 203.
723.04 Bars for Posttension Ing
Provide high strength alloy steel bars in accordance with AASHTO M 275.
723.05 Posttensioning Steel Wire
Provide steel wire strand s for post -tensioning in accordance with AASHTO M 204, Type BA or Type WA. If required by the Contract, provide low -relaxation wire in accordance with the supplementary requirements in AASHTO M 204.
723.06 Anchorages for Post -Tensioned Tendons
Provide anch orages for post -tensioned tendons with the following characteristics: Capable of de -tensioning or re -tensioning prestressing steel at any time before grouting. Capable of distributing the load from the anchoring device to the concrete using devices approve d by the Resident Engineer.