RTA Single Truss 4-Bolt 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
4-Bolt Cast Aluminum Base Flange of Alloy 356-T6 with Aluminum Bolt Covers (Alloy 356-F) and Stainless Steel Hex Head Attaching Screws.

4bolt-Base-BC-off
Handhole
6″ Butt Diameter – Reinforced, 3″ x 5″ curved Cast Aluminum Frame (Alloy 356-T6) with Aluminum Door and two (2) SS Hex Head Screws. A Grounding Provision incorporating a 3/8″ diameter hole is provided opposite the Handhole.
HH-3x5-Rnd-Re-duo
7″+ Butt Diameters – Reinforced, 4″ x 6″ curved Cast Aluminum Frame (Alloy 356-T6) with Aluminum Door and two (2) SS Hex Head Screws. Reinforced Frame will contain a tapped 3/8″-16NC Grounding Provision.
HH-4X6-500X500
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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ABs-4bolt-split-500x567
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 4-Bolt Base

Download interactive PDF specification drawings of standard RTA Single Truss 4-Bolt Base Poles below.

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA25C6B4T18-** [ 25′ ] 6″ Butt Dia., 0.156” Wall, [ 8′ ] 31-325
RTA25D6B4T18-** [ 25′ ] 6″ Butt Dia., 0.188” Wall, [ 8′ ] 31-169

RTA25C7B4T18-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 31-265
RTA25C7B4T1A-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 10′ ] 31-268

RTA25D7B4T18-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 8′ ] 31-181
RTA25D7B4T1A-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 10′ ] 31-184
RTA25D7B4T1C-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 12′ ] 31-187

RTA25C8B4T18-** [ 25′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ] 31-277
RTA25C8B4T1A-** [ 25′ ] 8″ Butt Dia., 0.156” Wall, [ 10′ ] 31-280

RTA25D8B4T18-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 31-195
RTA25D8B4T1A-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 31-198
RTA25D8B4T1C-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 12′ ] 31-199
RTA25D8C4T1C-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 12′ ] 31-237
RTA25D8C4T1E-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 15′ ] 31-239

RTA25E8B4T1E-** [ 25′ ] 8″ Butt Dia., 0.219” Wall, [ 15′ ] 31-214

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA30C7B4T18-** [ 30′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 31-661

RTA30C8B4T18-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ] 31-601

RTA30D8B4T18-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 31-529
RTA30D8C4T18-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 31-567
RTA30D8B4T1A-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 31-532
RTA30D8C4T1A-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 31-570
RTA30D8C4T1C-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 12′ ] 31-573
RTA30D8C4T1E-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 15′ ] 31-575

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA35C8B4T18-** [ 35′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ] 31-925

RTA35D8B4T18-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 31-853
RTA35D8C4T18-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 31-889
RTA35D8C4T1E-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 15′ ] 31-899

RTA35E8B4T18-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 8′ ] 31-867
RTA35E8B4T1A-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 31-868
RTA35E8C4T1A-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 31-906
RTA35E8C4T1C-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 12′ ] 31-907
RTA35E8C4T1E-** [ 35″ ] 8″ Butt Dia., 0.219” Wall, [ 15′ ] 31-911

RTA35F8C4T1C-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 12′ ] 31-921
RTA35F8C4T1E-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 15′ ] 31-923

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA40D8C4T18-** [ 40′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 50704-014

RTA40E8C4T1A-** [ 40′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 50704-045

RTA40F8B4T18-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 8′ ] 50704-053
RTA40F8C4T1C-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 12′ ] 50704-075
RTA40F8C4T1E-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 15′ ] 50704-077

RTA40D1C4T18-** [ 40′ ] 10″ Butt Dia., 0.188” Wall, [ 8′ ] 50704-081

RTA40E1C4T1A-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 10′ ] 50704-097
RTA40E1C4T1C-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 12′ ] 50704-101
RTA40E1C4T1E-** [ 40′ ] 10″ Butt Dia., 0.219” Wall, [ 15′ ] 50704-103

RTA40F1C4T1C-** [ 40′ ] 10″ Butt Dia., 0.250” Wall, [ 12′ ] 50704-114