RTA Single Cross 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 Cross Breakaway T-Base

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

Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA20D7BFF10-** [ 20′ ] 7″ Butt Dia., 0.188” Wall

RTA20D8BFF10-** [ 20′ ] 8″ Butt Dia., 0.188” Wall

Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA25D7BFF10-** [ 25′ ] 7″ Butt Dia., 0.188” Wall

RTA25D8BFF10-** [ 25′ ] 8″ Butt Dia., 0.188” Wall
RTA25E8BFF10-** [ 25′ ] 8″ Butt Dia., 0.219” Wall
RTA25F8BFF10-** [ 25′ ] 8″ Butt Dia., 0.250” Wall

Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA30D7BFF10-** [ 30′ ] 7″ Butt Dia., 0.188” Wall

RTA30D8BFF10-** [ 30′ ] 8″ Butt Dia., 0.188” Wall
RTA30E8BFF10-** [ 30′ ] 8″ Butt Dia., 0.219” Wall
RTA30F8BFF10-** [ 30′ ] 8″ Butt Dia., 0.250” Wall

RTA30D1CFF10-** [ 30′ ] 10″ Butt Dia., 0.188” Wall
RTA30E1CFF10-** [ 30′ ] 10″ Butt Dia., 0.219” Wall
RTA30F1CFF10-** [ 30′ ] 10″ Butt Dia., 0.250” Wall

Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA35D8BFF10-** [ 35′ ] 8″ Butt Dia., 0.188” Wall
RTA35E8BFF10-** [ 35′ ] 8″ Butt Dia., 0.219” Wall
RTA35F8BFF10-** [ 35′ ] 8″ Butt Dia., 0.250” Wall

RTA35D1CFF10-** [ 35′ ] 10″ Butt Dia., 0.188” Wall
RTA35E1CFF10-** [ 35′ ] 10″ Butt Dia., 0.219” Wall
RTA35F1CFF10-** [ 35′ ] 10″ Butt Dia., 0.250” Wall

Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA40D8BFF10-** [ 40′ ] 8″ Butt Dia., 0.188” Wall
RTA40E8BFF10-** [ 40′ ] 8″ Butt Dia., 0.219” Wall
RTA40F8BFF10-** [ 40′ ] 8″ Butt Dia., 0.250” Wall

RTA40D1CFF10-** [ 40′ ] 10″ Butt Dia., 0.188” Wall
RTA40E1CFF10-** [ 40′ ] 10″ Butt Dia., 0.219” Wall
RTA40F1CFF10-** [ 40′ ] 10″ Butt Dia., 0.250” Wall

Product No. | Pole Height | Butt Dia. | Wall Thickness
RTA45D8BFF10-** [ 45′ ] 8″ Butt Dia., 0.188” Wall
RTA45E8BFF10-** [ 45′ ] 8″ Butt Dia., 0.219” Wall
RTA45F8BFF10-** [ 45′ ] 8″ Butt Dia., 0.250” Wall

RTA45D1CFF10-** [ 45′ ] 10″ Butt Dia., 0.188” Wall
RTA45E1CFF10-** [ 45′ ] 10″ Butt Dia., 0.219” Wall
RTA45F1CFF10-** [ 45′ ] 10″ Butt Dia., 0.250” Wall