RTA No Arm Hinged 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
Hinged Cast Aluminum Base Flange of Alloy 356-T6 with 2-Piece Cast Aluminum Base Cover and Stainless Steel Tamper-Resistant Attaching Screws.

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Handhole
4″-5″ Butt Diameters – 2″ x 4″ Handhole with curved Lap Style Aluminum Door and two (2) Stainless Steel Self-Tapping Attaching Screws. A Grounding Provision incorporating a tapped 1/4″-20NC hole is provided.
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Anchorage
Anchorage Kit will include four (4) L-shaped Steel Anchor Bolts conforming to AASHTO M314-90 Grade 55. Ten inches (10″) of Threaded End will be Galvanized per ASTM A153. Kits will contain four (4) Hex Nuts, four (4) Lock Washers, and four (4) Flat Washers (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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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.

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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.
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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 No Arm Hinged Base

Download interactive PDF specification drawings of standard RTA No Arm Hinged Poles below.

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.
RTA06B4AH-** [ 6′ ] 4″ Butt Dia., 0.125″ Wall, 73142-001

RTA08B4AH-** [ 8′ ] 4″ Butt Dia., 0.125″ Wall, 73142-002
RTA08C4AH-** [ 8′ ] 4″ Butt Dia., 0.156″ Wall,
RTA08D4AH-** [ 8′ ] 4″ Butt Dia., 0.188″ Wall,

RTA10B4AH-** [ 10′ ] 4″ Butt Dia., 0.125″ Wall, 73142-003
RTA10C4AH-** [ 10′ ] 4″ Butt Dia., 0.156″ Wall,
RTA10D4AH-** [ 10′ ] 4″ Butt Dia., 0.188″ Wall,

RTA10B5AH-** [ 10′ ] 5″ Butt Dia., 0.125″ Wall, 73142-011
RTA10C5AH-** [ 10′ ] 5″ Butt Dia., 0.156″ Wall,

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.
RTA12B4AH-** [ 12′ ] 4″ Butt Dia., 0.125″ Wall, 73142-004
RTA12C4AH-** [ 12′ ] 4″ Butt Dia., 0.156″ Wall,
RTA12D4AH-** [ 12′ ] 4″ Butt Dia., 0.188″ Wall,

RTA12B5AH-** [ 12′ ] 5″ Butt Dia., 0.125″ Wall, 73142-008
RTA12C5AH-** [ 12′ ] 5″ Butt Dia., 0.156″ Wall,

RTA14B4AH-** [ 14′ ] 4″ Butt Dia., 0.125″ Wall, 73142-005
RTA14C4AH-** [ 14′ ] 4″ Butt Dia., 0.156″ Wall,
RTA14D4AH-** [ 14′ ] 4″ Butt Dia., 0.188″ Wall,

RTA14B5AH-** [ 14′ ] 5″ Butt Dia., 0.125″ Wall, 73142-009
RTA14C5AH-** [ 14′ ] 5″ Butt Dia., 0.156″ Wall,

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.
RTA16C4AH-** [ 16′ ] 4″ Butt Dia., 0.156″ Wall,
RTA16D4AH-** [ 16′ ] 4″ Butt Dia., 0.188″ Wall,

RTA16B5AH-** [ 16′ ] 5″ Butt Dia., 0.125″ Wall, 73142-010
RTA16C5AH-** [ 16′ ] 5″ Butt Dia., 0.156″ Wall,

RTA18B5AH-** [ 18′ ] 5″ Butt Dia., 0.125″ Wall, 73142-006
RTA18C5AH-** [ 18′ ] 5″ Butt Dia., 0.156″ Wall,

RTA20B5AH-** [ 20′ ] 5″ Butt Dia., 0.125″ Wall, 73142-007
RTA20C5AH-** [ 20′ ] 5″ Butt Dia., 0.156″ Wall,