RTA Double 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.

Handhole
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.
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Anchorage
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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Vibration Damper
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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Satin Aluminum Finish
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.

Powder Coat Finish
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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Pole Shaft Warranty
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 Double Davit Breakaway T-Base

Download interactive PDF specification drawings of standard RTA Double Davit Breakaway T-Base Poles below.

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA20C7BFD24-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 4′ ] 44-025
RTA20C7BFD26-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 6′ ] 44-026
RTA20C7BFD28-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 44-027

RTA20D7BFD24-** [ 20′ ] 7″ Butt Dia., 0.188” Wall, [ 4′ ] 44-007
RTA20D7BFD26-** [ 20′ ] 7″ Butt Dia., 0.188” Wall, [ 6′ ] 44-008
RTA20D7BFD28-** [ 20′ ] 7″ Butt Dia., 0.188” Wall, [ 8′ ] 44-009

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA25C7BFD24-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 4′ ] 44-103
RTA25C7BFD26-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 6′ ] 44-104

RTA25D7BFD24-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 4′ ] 44-079
RTA25D7BFD26-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 6′ ] 44-080
RTA25D7BFD28-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 8′ ] 44-081

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA30C8BFD24-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 4′ ] 44-175
RTA30C8BFD26-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 6′ ] 44-176

RTA30D8BFD24-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 44-157
RTA30D8BFD26-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 6′ ] 44-158
RTA30D8BFD28-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 44-159
RTA30D8BFD2A-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 44-160

RTA30E8BFD24-** [ 30′ ] 8″ Butt Dia., 0.219” Wall, [ 4′ ] 44-163
RTA30E8BFD26-** [ 30′ ] 8″ Butt Dia., 0.219” Wall, [ 6′ ] 44-164
RTA30E8BFD28-** [ 30′ ] 8″ Butt Dia., 0.219” Wall, [ 8′ ] 44-165
RTA30E8BFD2A-** [ 30′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 44-166

RTA30F8BFD24-** [ 30′ ] 8″ Butt Dia., 0.250” Wall, [ 4′ ] 44-169
RTA30F8BFD26-** [ 30′ ] 8″ Butt Dia., 0.250” Wall, [ 6′ ] 44-170
RTA30F8BFD28-** [ 30′ ] 8″ Butt Dia., 0.250” Wall, [ 8′ ] 44-171
RTA30F8BFD2A-** [ 30′ ] 8″ Butt Dia., 0.250” Wall, [ 10′ ] 44-172

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA35D8BFD24-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 44-229

RTA35E8BFD24-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 4′ ] 44-235
RTA35E8BFD26-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 6′ ] 44-236
RTA35E8BFD28-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 8′ ] 44-237

RTA35F8BFD24-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 4′ ] 44-241
RTA35F8BFD26-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 6′ ] 44-242
RTA35F8BFD28-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 8′ ] 44-243
RTA35F8BFD2A-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 10′ ] 44-244

RTA35F1CFD28-** [ 35′ ] 10″ Butt Dia., 0.250” Wall, [ 8′ ] 44-261
RTA35F1CFD2A-** [ 35′ ] 10″ Butt Dia., 0.250” Wall, [ 10′ ] 44-262

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA40E1CFD24-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 4′ ] 44-367
RTA40E1CFD26-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 6′ ] 44-368
RTA40E1CFD28-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 8′ ] 44-369
RTA40E1CFD2A-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 10′ ] 44-370

RTA40F1CFD24-** [ 40′ ] 10″ Butt Dia., 0.250” Wall, [ 4′ ] 44-373
RTA40F1CFD26-** [ 40′ ] 10″ Butt Dia., 0.250” Wall, [ 6′ ] 44-374
RTA40F1CFD28-** [ 40′ ] 10″ Butt Dia., 0.250” Wall, [ 8′ ] 44-375
RTA40F1CFD2A-** [ 40′ ] 10″ Butt Dia., 0.250” Wall, [ 10′ ] 44-376

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA45F1CFD28-** [ 45′ ] 10″ Butt Dia., 0.250” Wall, [ 8′ ] 44-435
RTA45F1BFD2A-** [ 45′ ] 10″ Butt Dia., 0.250” Wall, [ 10′ ] 44-436