• Minimum of eight sides.
1.d Additional items. Cable Support.
• Weld a cable support to the inside top of the shaft.
Grounding.
• Weld a UL- Listed grounding lug, capable of accommodating a No. 6 AWG stranded copper cable, to the inside of the shaft adjacent to the handhole.
Handholes.
• Provide handholes in the shaft of the poles, as shown on the Standard Drawings.
• Reinforce the area to develop the minimum guaranteed yield strength of the shaft.
• Furnish a cover and keeper chain for each handhole.
Wire Inlets.
• Provide a wire inlet at each signal head or at each electrically operated sign location.
• Weatherproof each inlet with an insulated grommet.
• Provide a deburred hole, 2 1/2- inch minimum diameter, in the flange plate and shaft, which serves as a wire entrance into the arm from inside the shaft.
• Provide Type LB access fittings from Type II mounted controller cabinet into pole shaft and in pole shafts for pedestrian pushbuttons.
Anchor Bases.
• Fabricate the base clean, smooth, and of the dimensions necessary for adequate pole mounting and structural support.
• Provide holes for anchor bolts.
• Fabricate the base to telescope over the shaft and be secured in place by welding.
Galvanizing. Section 1105.02(s) and as follows:
• Galvanize steel shafts and arms, including those manufactured of high strength and corrosion resistant steels, according to ASTM A123 (AASHTO M 111).
• Galvanize accessories and hardware according to ASTM A153 (AASHTO M 232).
• Shaft and Arms . AASHTO M 270/ASTM A709, Grade 36 or Grade 50, ASTM A36, ASTM A53, ASTM A572 Grade 50, ASTM A501 and A595.
• Luminaire Mounting Arms . Section 1101.03. • Anchor (Base) Plates, Flange Plates, and Gusset Plates . AASHTO M 270 (ASTM A709), Grade
• Miscellaneous Shapes, plates and bars . AASHTO M 270 (ASTM A709), Grade 36. ASTM A36, ASTM, ASTM A572 Grade 50 and ASTM A992.
• Flange Plate Assembly Bolts, Nuts and Washers . ASTM F3125 Grade A325, ASTM 563 and ASTM F436. Mechanically galvanize according to ASTM B695. Furnish bolts, nuts, and washers for testing purposes and test as specified in Section 1050.02(c)7.b.
• Shaft and Arm Caps . Galvanized steel (C -coat) cast iron or cast aluminum.
• Handhole CH and hole Cover Plates . AASHTO M 270 (ASTM A709), Grade 36. ASTM A36, ASTM, ASTM A572 Grade 50, and ASTM A1011.
• Pipe Caps . AASHTO M 270 (ASTM A709), Grade 36. ASTM A36, ASTM, ASTM A572, ASTM A1011, or ASTM B26
• Galloping Mitigation Device, as shown on the Standard Drawings.