RTA Double Davit 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 Double Davit 4-Bolt Base

Download interactive PDF specification drawings of standard RTA Double Davit 4-Bolt Base Poles below.

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA20C6B4D24-** [ 20′ ] 6″ Butt Dia., 0.156” Wall, [ 4′ ] 42-031
RTA20C6B4D26-** [ 20′ ] 6″ Butt Dia., 0.156” Wall, [ 6′ ] 42-032
RTA20C6B4D28-** [ 20′ ] 6″ Butt Dia., 0.156” Wall, [ 8′ ] 42-033

RTA20D6B4D24-** [ 20′ ] 6″ Butt Dia., 0.188” Wall, [ 4′ ] 42-001
RTA20D6B4D26-** [ 20′ ] 6″ Butt Dia., 0.188” Wall, [ 6′ ] 42-002
RTA20D6B4D28-** [ 20′ ] 6″ Butt Dia., 0.188” Wall, [ 8′ ] 42-003

RTA20C7B4D24-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 4′ ] 42-025
RTA20C7B4D26-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 6′ ] 42-026
RTA20C7B4D28-** [ 20′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 42-027

RTA20D7B4D24-** [ 20′ ] 7″ Butt Dia., 0.188” Wall, [ 4′ ] 42-007
RTA20D7B4D26-** [ 20′ ] 7″ Butt Dia., 0.188” Wall, [ 6′ ] 42-008
RTA20D7B4D28-** [ 20′ ] 7″ Butt Dia., 0.188” Wall, [ 8′ ] 42-009

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA25C6B4D24-** [ 25′ ] 6″ Butt Dia., 0.156” Wall, [ 4′ ]
RTA25C6B4D26-** [ 25′ ] 6″ Butt Dia., 0.156” Wall, [ 6′ ]

RTA25D6B4D24-** [ 25′ ] 6″ Butt Dia., 0.188” Wall, [ 4′ ] 42-073
RTA25D6B4D26-** [ 25′ ] 6″ Butt Dia., 0.188” Wall, [ 6′ ] 42-074
RTA25D6B4D28-** [ 25′ ] 6″ Butt Dia., 0.188” Wall, [ 8′ ] 42-075
RTA25D6B4D2A-** [ 25′ ] 6″ Butt Dia., 0.188” Wall, [ 10′ ] 42-076

RTA25C7B4D24-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 4′ ] 42-103
RTA25C7B4D26-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 6′ ] 42-104
RTA25C7B4D28-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 42-105
RTA25C7B4D2A-** [ 25′ ] 7″ Butt Dia., 0.156” Wall, [ 10′ ] 42-106

RTA25D7B4D24-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 4′ ] 42-079
RTA25D7B4D26-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 6′ ] 42-080
RTA25D7B4D28-** [ 25′ ] 7″ Butt Dia., 0.188” Wall, [ 8′ ] 42-081

RTA25C8B4D26-** [ 25′ ] 8″ Butt Dia., 0.156” Wall, [ 6′ ]
RTA25C8B4D28-** [ 25′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ]
RTA25C8B4D2A-** [ 25′ ] 8″ Butt Dia., 0.156” Wall, [ 10′ ]

RTA25D8B4D24-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 42-085
RTA25D8B4D26-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 6′ ] 42-086
RTA25D8B4D28-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 42-087
RTA25D8B4D2A-** [ 25′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 42-088

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA30D6B4D24-** [ 30′ ] 6″ Butt Dia., 0.188” Wall, [ 4′ ]

RTA30C7B4D24-** [ 30′ ] 7″ Butt Dia., 0.156” Wall, [ 4′ ] 42-145
RTA30C7B4D26-** [ 30′ ] 7″ Butt Dia., 0.156” Wall, [ 6′ ] 42-146
RTA30C7B4D28-** [ 30′ ] 7″ Butt Dia., 0.156” Wall, [ 8′ ] 42-147

RTA30C8B4D24-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 4′ ] 42-175
RTA30C8B4D26-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 6′ ] 42-176
RTA30C8B4D28-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ] 42-177
RTA30C8B4D2A-** [ 30′ ] 8″ Butt Dia., 0.156” Wall, [ 10′ ] 42-178

RTA30D8B4D24-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 42-157
RTA30D8B4D26-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 6′ ] 42-158
RTA30D8B4D28-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 42-159
RTA30D8B4D2A-** [ 30′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 42-160

RTA30E8B4D24-** [ 30′ ] 8″ Butt Dia., 0.219” Wall, [ 4′ ] 42-163
RTA30E8B4D26-** [ 30′ ] 8″ Butt Dia., 0.219” Wall, [ 6′ ] 42-164
RTA30E8B4D28-** [ 30′ ] 8″ Butt Dia., 0.219” Wall, [ 8′ ] 42-165
RTA30E8B4D2A-** [ 30′ ] 8″ Butt Dia., 0.219” Wall, [ 10′ ] 42-166

RTA30F8B4D24-** [ 30′ ] 8″ Butt Dia., 0.250” Wall, [ 4′ ] 42-169
RTA30F8B4D26-** [ 30′ ] 8″ Butt Dia., 0.250” Wall, [ 6′ ] 42-170
RTA30F8B4D28-** [ 30′ ] 8″ Butt Dia., 0.250” Wall, [ 8′ ] 42-171
RTA30F8B4D2A-** [ 30′ ] 8″ Butt Dia., 0.250” Wall, [ 10′ ] 42-172

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA35C8B4D24-** [ 35′ ] 8″ Butt Dia., 0.156” Wall, [ 4′ ] 42-223
RTA35C8B4D26-** [ 35′ ] 8″ Butt Dia., 0.156” Wall, [ 6′ ] 42-224
RTA35C8B4D28-** [ 35′ ] 8″ Butt Dia., 0.156” Wall, [ 8′ ] 42-225

RTA35D8B4D24-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 42-229
RTA35D8B4D26-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 6′ ] 42-230
RTA35D8B4D28-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 42-231
RTA35D8B4D2A-** [ 35′ ] 8″ Butt Dia., 0.188” Wall, [ 10′ ] 42-232

RTA35E8B4D24-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 4′ ] 42-235
RTA35E8B4D26-** [ 35′ ] 8″ Butt Dia., 0.219” Wall, [ 6′ ] 42-236

RTA35F8B4D24-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 4′ ] 42-241
RTA35F8B4D26-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 6′ ] 42-242
RTA35F8B4D28-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 8′ ] 42-243
RTA35F8B4D2A-** [ 35′ ] 8″ Butt Dia., 0.250” Wall, [ 10′ ] 42-244

RTA35D1C4D28-** [ 35′ ] 10″ Butt Dia., 0.188” Wall, [ 8′ ] 42-249
RTA35D1C4D2A-** [ 35′ ] 10″ Butt Dia., 0.188” Wall, [ 10′ ] 42-250

Product No. | Pole Height | Butt Dia. | Wall Thickness | Arm Length | Old Product No.
RTA40D8B4D24-** [ 40′ ] 8″ Butt Dia., 0.188” Wall, [ 4′ ] 42-325
RTA40D8B4D26-** [ 40′ ] 8″ Butt Dia., 0.188” Wall, [ 6′ ] 42-326
RTA40D8B4D28-** [ 40′ ] 8″ Butt Dia., 0.188” Wall, [ 8′ ] 42-327

RTA40F8B4D24-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 4′ ] 42-337
RTA40F8B4D26-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 6′ ] 42-338
RTA40F8B4D28-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 8′ ] 42-339
RTA40F8B4D2A-** [ 40′ ] 8″ Butt Dia., 0.250” Wall, [ 10′ ] 42-340

RTA40D1C4D26-** [ 40′ ] 10″ Butt Dia., 0.188” Wall, [ 6′ ] 42-375
RTA40D1C4D28-** [ 40′ ] 10″ Butt Dia., 0.188” Wall, [ 8′ ] 42-363
RTA40D1C4D2A-** [ 40′ ] 10″ Butt Dia., 0.188” Wall, [ 10′ ] 42-364

RTA40F1C4D2A-** [ 40′ ] 10″ Butt Dia., 0.250” Wall, [ 10′ ] 42-376