RTA Single Truss 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 Single Truss Breakaway T-Base

Download interactive PDF specification drawings of standard RTA Single Truss Breakaway T-Base Poles below.

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA25B7BFT18-** [ 25′ ] 7″ Butt Dia., 0.125” Wall, [ 8′ ]

RTA25C7BFT18-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 33-265
RTA25C7BFT1A-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 10′ ] 33-268

RTA25D7BFT18-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 8′ ] 33-181
RTA25D7BFT1A-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 10′ ] 33-184
RTA25D7BFT1C-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 12′ ] 33-187

RTA25D8BFT18-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 33-195
RTA25D8BFT1A-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 33-198
RTA25D8BFT1C-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 12′ ] 33-199
RTA25D8CFT1C-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 12′ ] 33-237
RTA25D8CFT1E-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 15′ ] 33-239

RTA25E8BFT1E-** [ 25′ ] 8″ Butt Dia., 0.219” Wall, [ 15′ ] 33-214

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA30C8BFT18-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ] 33-601
RTA30C8BFT1A-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 10′ ] 33-604
RTA30C8CFT1A-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 10′ ]
RTA30C8CFT1C-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 12′ ] 33-619
RTA30C8CFT1E-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 15′ ] 33-623

RTA30D8BFT18-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 33-529
RTA30D8CFT18-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 33-567
RTA30D8BFT1A-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 33-532
RTA30D8CFT1A-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 33-570
RTA30D8CFT1C-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 12′ ] 33-573
RTA30D8CFT1E-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 15′ ] 33-575

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA35D8BFT18-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 33-853
RTA35D8BFT1A-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 33-857
RTA35D8CFT1E-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 15′ ] 33-899

RTA35E8BFT18-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 8′ ] 33-867
RTA35E8CFT1A-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 33-906

RTA35F8CFT1C-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 12′ ] 33-921
RTA35F8CFT1E-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 15′ ] 33-923

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA40E8BFT18-** [ 40′ ] 8″ Butt Dia., 0.219” Wall, [ 8′ ] 50706-027
RTA40E8BFT1A-** [ 40′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 50706-031
RTA40E8CFT1E-** [ 40′ ] 8″ Butt Dia., 0.219” Wall, [ 15′ ] 50706-051

RTA40F8CFT18-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 8′ ] 50706-068
RTA40F8CFT1A-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 10′ ] 50706-072
RTA40F8CFT1C-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 12′ ] 50706-075
RTA40F8CFT1E-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 15′ ] 50706-077

RTA40D1CFT1E-** [ 40′ ] 10″ Butt Dia., 0.188” Wall, [ 15′ ] 50706-090

RTA40E1CFT18-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 8′ ]
RTA40E1CFT1A-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 10′ ] 50706-098
RTA40E1CFT1C-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 12′ ]
RTA40E1CFT1E-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 15′ ] 50706-103

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length
RTA45E8CFT1E-** [ 45′ ] 8″ Butt Dia., 0.219” Wall, [ 15′ ]

RTA45F8CFT1A-** [ 45′ ] 8″ Butt Dia., 0.250” Wall, [ 10′ ]
RTA45F8CFT1E-** [ 45′ ] 8″ Butt Dia., 0.250” Wall, [ 15′ ]

RTA45E1CFT1A-** [ 45′ ] 10″ Butt Dia., 0.219” Wall, [ 10′ ]
RTA45E1CFT1E-** [ 45′ ] 10″ Butt Dia., 0.219” Wall, [ 15′ ]

RTA45F1CFT1A-** [ 45′ ] 10″ Butt Dia., 0.250” Wall, [ 10′ ]
RTA45F1CFT1E-** [ 45′ ] 10″ Butt Dia., 0.250” Wall, [ 15′ ]