RTA Single Davit 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 Single Davit Breakaway T-Base
Download interactive PDF specification drawings of standard RTA Single Davit Breakaway T-Base Poles below.
Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA20C7BFD14-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 4′ ] 43-025RTA20C7BFD16-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 6′ ] 43-026
RTA20C7BFD18-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 43-027
Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA25C7BFD14-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 4′ ] 43-103RTA25C7BFD16-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 6′ ] 43-104
RTA25C7BFD18-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 43-105
RTA25D7BFD14-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 4′ ] 43-079
RTA25D7BFD16-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 6′ ] 43-080
RTA25D7BFD18-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 8′ ] 43-081
Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA30C7BFD14-** [ 30′ ] 7″ Butt Dia., 0.156” Wall, [ 4′ ] 43-145RTA30C7BFD16-** [ 30′ ] 7″ Butt Dia., 0.156” Wall, [ 6′ ] 43-146
RTA30C7BFD18-** [ 30′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 43-147
RTA30D7BFD14-** [ 30′ ] 7″ Butt Dia., 0.188” Wall, [ 4′ ] 43-151
RTA30D7BFD16-** [ 30′ ] 7″ Butt Dia., 0.188” Wall, [ 6′ ] 43-152
RTA30D7BFD18-** [ 30′ ] 7″ Butt Dia., 0.188” Wall, [ 8′ ] 43-153
RTA30C8BFD14-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 4′ ] 43-175
RTA30C8BFD16-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 6′ ] 43-176
RTA30C8BFD18-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ] 43-177
RTA30C8BFD1A-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 10′ ] 43-178
RTA30D8BFD14-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 43-157
RTA30D8BFD16-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 6′ ] 43-158
RTA30D8BFD18-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 43-159
RTA30D8BFD1A-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 43-160
Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA35C8BFD14-** [ 35′ ] 8″ Butt Dia., 0.156” Wall, [ 4′ ] 43-223RTA35C8BFD16-** [ 35′ ] 8″ Butt Dia., 0.156” Wall, [ 6′ ] 43-224
RTA35C8BFD18-** [ 35′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ] 43-225
RTA35D8BFD14-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 43-229
RTA35D8BFD16-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 6′ ] 43-230
RTA35D8BFD18-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 43-231
RTA35D8BFD1A-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 43-232
RTA35E8BFD14-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 4′ ] 43-235
RTA35E8BFD16-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 6′ ] 43-236
RTA35E8BFD18-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 8′ ] 43-237
RTA35E8BFD1A-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 43-238
Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA40D8BFD14-** [ 40′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 43-325RTA40D8BFD16-** [ 40′ ] 8″ Butt Dia., 0.188” Wall, [ 6′ ] 43-326
RTA40D8BFD18-** [ 40′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 43-327
RTA40E8BFD14-** [ 40′ ] 8″ Butt Dia., 0.219” Wall, [ 4′ ] 43-331
RTA40E8BFD16-** [ 40′ ] 8″ Butt Dia., 0.219” Wall, [ 6′ ] 43-332
RTA40E8BFD18-** [ 40′ ] 8″ Butt Dia., 0.219” Wall, [ 8′ ] 43-333
RTA40E8BFD1A-** [ 40′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 43-334
RTA40F8BFD14-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 4′ ] 43-337
RTA40F8BFD16-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 6′ ] 43-338
RTA40F8BFD18-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 8′ ] 43-339
RTA40F8BFD1A-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 10′ ] 43-340
Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA45F1CFD14-** [ 45′ ] 10″ Butt Dia., 0.250” Wall, [ 4′ ] 43-433RTA45F1CFD16-** [ 45′ ] 10″ Butt Dia., 0.250” Wall, [ 6′ ] 43-434
RTA45F1CFD18-** [ 45′ ] 10″ Butt Dia., 0.250” Wall, [ 8′ ] 43-435
RTA45F1CFD1A-** [ 45′ ] 10″ Butt Dia., 0.250” Wall, [ 10′ ] 43-436