RTA Quad Bullhorn 90 Breakaway T-Base Round Tapered Aluminum Pole
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Pole
The pole shaft will be constructed of seamless extruded tube of 6063 Aluminum Alloy per the requirements of ASTM B221. The shaft assembly shall be full-length heat treated after base weld to produce a T6 temper.
Base Style
Cast Aluminum Transformer Base (T-Base) of Alloy 356-T6 with Aluminum Door and Stainless Steel Hex Head Screw. FHWA Approved Breakaway.
6″-10″ Butt Diameters – Tapered Door Opening (9-3/4″ W Base x 9-1/4″ W Top x 11-3/4″ H) with Flush Mount Aluminum Cover and Stainless Steel Hex Head Screw. Grounding Provisions tapped 1/4″-20NC and 1/2″-13NC are provided.
Base Anchorage includes four (4) L-shaped Steel Anchor Bolts conforming to AASHTO M314-90 Grade 55, four (4) each Heavy-Duty Flat Washers, Lock Washers, and Hex Nuts (all components Galvanized Steel). Ten inches (10″) of threaded end will be galvanized per ASTM A153. Top Connecting Hardware includes four (4) each 1″-8NC x 3-3/4″ Hex Head Bolts, Flat Washers, Heavy-Duty Flat Washers, Lock Washers, and Hex Nuts (all components Galvanized Steel). A bolt circle template will be provided.
Base and Anchorage Details
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When determined necessary by Hapco, a Vibration Damper will be factory-installed inside the pole shaft. Customer specification of the damper is available.
Vibration Dampers
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Pole surface will contain a uniform Brushed Aluminum natural finish. Finish to be achieved utilizing specially formulated abrasives in a multi-pass, rotary sanding operation.
Coating material will be a thermosetting polyester AAMA 2604 Super Durable powder electrostatically applied, oven cured and bonded in a closed loop, automated system. Minimum thickness of finish will be two (2) mils. Hapco’s Powder Coat Finish Warranty on aluminum poles is five (5) years.
Finish Options
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Hapco warrants its aluminum pole assemblies for their lifetime to be free of defects in material and workmanship.
Hapco Lifetime Pole Assembly Warranty
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Specification Drawings - RTA Quad Bullhorn 90 Breakaway T-Base
Download interactive PDF specification drawings of standard RTA Quad Bullhorn 90 Breakaway T-Base Poles below.
Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA20D7BFBD0-** [ 20′ ] 7″ Butt Dia., 0.188” Wall RTA20D8BFBD0-** [ 20′ ] 8″ Butt Dia., 0.188” Wall
Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA25D7BFBD0-** [ 25′ ] 7″ Butt Dia., 0.188” Wall RTA25D8BFBD0-** [ 25′ ] 8″ Butt Dia., 0.188” Wall
RTA25E8BFBD0-** [ 25′ ] 8″ Butt Dia., 0.219” Wall
RTA25F8BFBD0-** [ 25′ ] 8″ Butt Dia., 0.250” Wall
Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA30D8BFBD0-** [ 30′ ] 8″ Butt Dia., 0.188” WallRTA30E8BFBD0-** [ 30′ ] 8″ Butt Dia., 0.219” Wall
RTA30F8BFBD0-** [ 30′ ] 8″ Butt Dia., 0.250” Wall
RTA30D1CFBD0-** [ 30′ ] 10″ Butt Dia., 0.188” Wall
RTA30E1CFBD0-** [ 30′ ] 10″ Butt Dia., 0.219” Wall
RTA30F1CFBD0-** [ 30′ ] 10″ Butt Dia., 0.250” Wall
Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA35E8BFBD0-** [ 35′ ] 8″ Butt Dia., 0.219” WallRTA35F8BFBD0-** [ 35′ ] 8″ Butt Dia., 0.250” Wall
RTA35D1CFBD0-** [ 35′ ] 10″ Butt Dia., 0.188” Wall
RTA35E1CFBD0-** [ 35′ ] 10″ Butt Dia., 0.219” Wall
RTA35F1CFBD0-** [ 35′ ] 10″ Butt Dia., 0.250” Wall
Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA40F8BFBD0-** [ 40′ ] 8″ Butt Dia., 0.250” Wall RTA40D1CFBD0-** [ 40′ ] 10″ Butt Dia., 0.188” Wall
RTA40E1CFBD0-** [ 40′ ] 10″ Butt Dia., 0.219” Wall
RTA40F1CFBD0-** [ 40′ ] 10″ Butt Dia., 0.250” Wall
RTA40G1CFBD0-** [ 40′ ] 10″ Butt Dia., 0.312” Wall
Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA45D1CFBD0-** [ 45′ ] 10″ Butt Dia., 0.188” WallRTA45E1CFBD0-** [ 45′ ] 10″ Butt Dia., 0.219” Wall
RTA45F1CFBD0-** [ 45′ ] 10″ Butt Dia., 0.250” Wall
RTA45G1CFBD0-** [ 45′ ] 10″ Butt Dia., 0.312” Wall