BREAKAWAY BASES - HIGHWAY LIGHTING 807.02 Design luminaire mast arms to support a 50 lb [22.7 kg] luminaire with an effective projected area of 2. 0 ft² [0. 19 m²]. P rovide a smooth raceway for the wiring; each with a slip -fitter tenon. Design traffic signal mast arms to support the required signal heads shown on the Plans.
806.05 Method of Measuremen T — Vacant
806.06 Basis of Payment
The Department will pay for each p ay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit:
A.TRAFFIC SIGNAL POLE AND MASTARM Each
B.TRAFFIC SIGNAL PEDESTAL POLE Each
C.HIGHWAY LIGHTING POLE AND MASTARM Each
D.HIGHWAY LIGHTING POSTTOP POLE Each
807.01 Description
This work consists of providing and installing breakaway bases.
807.02 Materials
Provide materials in accordance with the fo llowing subsection and external references: Material: Subsection or External Reference: Cast Aluminum ASTM B 108, Alloy 356 T6 High Strength Fasteners 724.02 Galvanized Hardware AASHTO M 232 Galvanized Plates AASHTO M 111 Provide aluminum breakaway transformer bases cast in a permanent mold. Provide each base with a plastic door approved by the Traffic Engineer Division. Provide breakaway bases in accordance with the latest edi tion of the AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals , and as approved by the FHWA.
808.02 Pier -Mounted Pole Brackets
807.03 Equipment — Vacant
807.04 Construction Methods
Ensure the pole base is no larger than the top flange of the transformer base. The Department will allow slotted anchor bolt holes on the top and bottom flanges of the base. Provide each base with bolts, nuts, washers, and adapting washers as shown on the Plans to connect the base to the pole and anchor bolt s. Install and provide galvanized connecting bolts, nuts, washers, and adaptor plates in accordance with the base manufacturer’s recommendations, including bolt torque. Affix an installation and mounting instruction label, indicating AASHTO/FHWA approval and the year approved, inside each breakaway base, opposite the door. Use shims to level breakaway base poles in accordance with the manufacturer's recommendations. Double nut leveling is not allowed.
807.05 Method of Measuremen T — Vacant
807.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit: BREAKAWAY BASE Each The Department will consider the cost of hardware, adapter plates, and plastic doors to be included in the contract unit price for Breakaway Base. SECTION 808 PIER -MOUNTED POLE BRACKETS
808.01 Description
This work consists of providing and installing pier -mounted pole brackets.
808.02 Materials
Provide materials in accordance with the following sections, subsection, and external reference: Material: Section, Subsection, or External Reference: Structural Steel 724 Galvanizing AASHTO M 111 Electrical Conduit 709 High Strength Fasteners 724.02
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 817–817 of 935.