breakaway t-base with cover off

T-Base

rta no-arm t-base

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Details

RTA No Arm T-base Pole Specifications

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

4″-5″ Butt Diameters – 2″ x 4″ Handhole with curved Lap Style Aluminum Door and two (2) SS Self-Tapping Attaching Screws. A Grounding Provision incorporating a tapped 1/4″-20NC hole is provided.

T-Base Cover On

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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T-base anchor bolts in the ground

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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Mounting Designation

Side Drill Mount

For Side Drill Mount applications specify luminaire type, quantity and orientation. A luminaire drilling template must be supplied at time of order.

Tenon Mount – Welded or Spun

For Tenon Mount applications specify both Tenon diameter (2.375″, 2.875″, 3.5″, etc.) and length (3″, 4″, etc.). Tenon style is factory option. Welded Tenon can be specified.

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 No Arm 4-Bolt Base

Click on the Product No. to download interactive PDF specification drawing.

Pole HeightProduct No.Butt DiaWall ThicknessOld Product No.
20′RTA20B6BF-**6″0.125″
RTA20C6BF-**6″0.156″
RTA20D6BF-**6″0.188″
RTA20C7BF-**7″0.156″
RTA20D7BF-**7″0.188″
RTA20C8BF-**8″0.156″
RTA20D8BF-**8″0.188″
25′RTA25C6BF-**6″0.156″
RTA25D6BF-**6″0.188″
RTA25C7BF-**7″0.156″
RTA25D7BF-**7″0.188″
RTA25C8BF-**8″0.156″
RTA25D8BF-**8″0.188″
RTA25E8BF-**8″0.219″
RTA25F8BF-**8″0.250″
30′RTA30C7BF-**7″0.156″
RTA30D7BF-**7″0.188″
RTA30C8BF-**8″0.156″
RTA30D8BF-**8″0.188″
RTA30E8BF-**8″0.219″
RTA30F8BF-**8″0.250″
RTA30D9BF-**9″0.188″
RTA30F9BF-**9″0.250″
RTA30D1CF-**10″0.188″
35′RTA35C8BF-**8″0.156″
RTA35D8BF-**8″0.188″
RTA35E8BF-**8″0.219″
RTA35F8BF-**8″0.250″
RTA35D9BF-**9″0.188″
RTA35F9BF-**9″0.250″
RTA35D1CF-**10″0.188″
RTA35E1CF-**10″0.219″
RTA35F1CF-**10″0.250″
RTA35G1CF-**10″0.312″
40′RTA40D8BF-**8″0.188″
RTA40E8BF-**8″0.219″
RTA40F8BF-**8″0.250″
RTA40D9BF-**9″0.188″
RTA40F9BF-**9″0.250″
RTA40D1CF-**10″0.188″
RTA40E1CF-**10″0.219″
RTA40F1CF-**10″0.250″
RTA40G1CF-**10″0.312″