hapco.com – RTA – No Arm 4-Bolt Base

RTA No Arm 4-Bolt Base Round Tapered Aluminum Pole

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RTA No Arm 4-Bolt 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
4-Bolt Cast Aluminum Base Flange of Alloy 356-T6 with Aluminum Bolt Covers (Alloy 356-F) and Stainless Steel Hex Head Attaching Screws.

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.

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.

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.

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.

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

Download interactive PDF specification drawings of standard RTA No Arm 4-Bolt Base Poles below.

6' to 12' - RTA No Arm 4-Bolt Base Specification Drawings

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.

RTA06B4A4-** [ 6′ ] 4″ Butt Dia., 0.125″ Wall, 78-001

RTA08B4A4-** [ 8′ ] 4″ Butt Dia., 0.125″ Wall, 78-002
RTA08D4A4-** [ 8′ ] 4″ Butt Dia., 0.188″ Wall, 78-015

RTA10B4A4-** [ 10′ ] 4″ Butt Dia., 0.125″ Wall, 78-003
RTA10D4A4-** [ 10′ ] 4″ Butt Dia., 0.188″ Wall,
RTA10B5A4-** [ 10′ ] 5″ Butt Dia., 0.125″ Wall, 78-012
RTA10D5A4-** [ 10′ ] 5″ Butt Dia., 0.188″ Wall,

RTA12B4A4-** [ 12′ ] 4″ Butt Dia., 0.125″ Wall, 78-004
RTA12D4A4-** [ 12′ ] 4″ Butt Dia., 0.188″ Wall, 78-018
RTA12B5A4-** [ 12′ ] 5″ Butt Dia., 0.125″ Wall, 78-009
RTA12C5A4-** [ 12′ ] 5″ Butt Dia., 0.156″ Wall, 78-009W3
RTA12D5A4-** [ 12′ ] 5″ Butt Dia., 0.188″ Wall, 78-009W4

14' to 18' - RTA No Arm 4-Bolt Base Specification Drawings

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.

RTA14B4A4-** [ 14′ ] 4″ Butt Dia., 0.125″ Wall, 78-005
RTA14D4A4-** [ 14′ ] 4″ Butt Dia., 0.188″ Wall, 78-019
RTA14B5A4-** [ 14′ ] 5″ Butt Dia., 0.125″ Wall, 78-010
RTA14C5A4-** [ 14′ ] 5″ Butt Dia., 0.156″ Wall, 78-021
RTA14D5A4-** [ 14′ ] 5″ Butt Dia., 0.188″ Wall, 78-022

RTA16D4A4-** [ 16′ ] 4″ Butt Dia., 0.188″ Wall, 78-027
RTA16B5A4-** [ 16′ ] 5″ Butt Dia., 0.125” Wall, 78-011
RTA16C5A4-** [ 16′ ] 5″ Butt Dia., 0.156″ Wall, 78-029
RTA16C5B4-** [ 16′ ] 5″ Butt Dia., 0.156″ Wall, 51-002S48
RTA16D5A4-** [ 16′ ] 5″ Butt Dia., 0.188″ Wall, 78-030
RTA16D6B4-** [ 16′ ] 6″ Butt Dia., 0.188″ Wall,

RTA18B5A4-** [ 18′ ] 5″ Butt Dia., 0.125″ Wall, 78-007
RTA18C5A4-** [ 18′ ] 5″ Butt Dia., 0.156” Wall, 78-031
RTA18D5A4-** [ 18′ ] 5″ Butt Dia., 0.188″ Wall, 78-032
RTA18C6B4-** [ 18′ ] 6″ Butt Dia., 0.156” Wall,
RTA18D6B4-** [ 18′ ] 6″ Butt Dia., 0.188″ Wall,
RTA18C7B4-** [ 18′ ] 7″ Butt Dia., 0.156” Wall,

20' - RTA No Arm 4-Bolt Base Specification Drawings

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.

RTA20B5A4-** [ 20′ ] 5″ Butt Dia., 0.125″ Wall, 78-008
RTA20C5A4-** [ 20′ ] 5″ Butt Dia., 0.156″ Wall, 78-033
RTA20D5A4-** [ 20′ ] 5″ Butt Dia., 0.188″ Wall,

RTA20B6B4-** [ 20′ ] 6″ Butt Dia., 0.125″ Wall, 51-001
RTA20C6B4-** [ 20′ ] 6″ Butt Dia., 0.156″ Wall, 51-002
RTA20D6B4-** [ 20′ ] 6″ Butt Dia., 0.188″ Wall, 51-003

RTA20C7B4-** [ 20′ ] 7″ Butt Dia., 0.156″ Wall, 51-004
RTA20D7B4-** [ 20′ ] 7″ Butt Dia., 0.188″ Wall, 51-005

RTA20C8B4-** [ 20′ ] 8″ Butt Dia., 0.156″ Wall, 51-006
RTA20D8B4-** [ 20′ ] 8″ Butt Dia., 0.188″ Wall, 51-007

25' - RTA No Arm 4-Bolt Base Specification Drawings

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.

RTA25C6B4-** [ 25′ ] 6″ Butt Dia., 0.156″ Wall, 51-062
RTA25D6B4-** [ 25′ ] 6″ Butt Dia., 0.188″ Wall, 51-063

RTA25C7B4-** [ 25′ ] 7″ Butt Dia., 0.156″ Wall, 51-064
RTA25D7B4-** [ 25′ ] 7″ Butt Dia., 0.188″ Wall, 51-065

RTA25C8B4-** [ 25′ ] 8″ Butt Dia., 0.156″ Wall, 51-066
RTA25D8B4-** [ 25′ ] 8″ Butt Dia., 0.188″ Wall, 51-067
RTA25E8B4-** [ 25′ ] 8″ Butt Dia., 0.219″ Wall, 51-068
RTA25F8B4-** [ 25′ ] 8″ Butt Dia., 0.250″ Wall, 51-069

RTA25C9B4-** [ 25′ ] 9″ Butt Dia., 0.156″ Wall,

RTA25C1C4-** [ 25′ ] 10″ Butt Dia., 0.156″ Wall,

30' - RTA No Arm 4-Bolt Base Specification Drawings

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.

RTA30C7B4-** [ 30′ ] 7″ Butt Dia., 0.156″ Wall, 51-124
RTA30D7B4-** [ 30′ ] 7″ Butt Dia., 0.188″ Wall, 51-125

RTA30C8B4-** [ 30′ ] 8″ Butt Dia., 0.156″ Wall, 51-126
RTA30D8B4-** [ 30′ ] 8″ Butt Dia., 0.188″ Wall, 51-127
RTA30E8B4-** [ 30′ ] 8″ Butt Dia., 0.219″ Wall, 51-128
RTA30F8B4-** [ 30′ ] 8″ Butt Dia., 0.250″ Wall, 51-129

RTA30D9B4-** [ 30′ ] 9″ Butt Dia., 0.188″ Wall, 51-131
RTA30F9B4-** [ 30′ ] 9″ Butt Dia., 0.250″ Wall, 51-133

RTA30D1C4-** [ 30′ ] 10″ Butt Dia., 0.188″ Wall, 51-139
RTA30F1C4-** [ 30′ ] 10″ Butt Dia., 0.250″ Wall, 51-141

35' - RTA No Arm 4-Bolt Base Specification Drawings

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.

RTA35C8B4-** [ 35′ ] 8″ Butt Dia., 0.156″ Wall, 51-186
RTA35D8B4-** [ 35′ ] 8″ Butt Dia., 0.188″ Wall, 51-187
RTA35E8B4-** [ 35′ ] 8″ Butt Dia., 0.219″ Wall, 51-188
RTA35F8B4-** [ 35′ ] 8″ Butt Dia., 0.250″ Wall, 51-189

RTA35D9B4-** [ 35′ ] 9″ Butt Dia., 0.188″ Wall, 51-191
RTA35F9B4-** [ 35′ ] 9″ Butt Dia., 0.250″ Wall, 51-193

RTA35D1C4-** [ 35′ ] 10″ Butt Dia., 0.188″ Wall, 51-199
RTA35E1C4-** [ 35′ ] 10″ Butt Dia., 0.219″ Wall, 51-200
RTA35F1C4-** [ 35′ ] 10″ Butt Dia., 0.250″ Wall, 51-201
RTA35G1C4-** [ 35′ ] 10″ Butt Dia., 0.312″ Wall, 51-202

40' - RTA No Arm 4-Bolt Base Specification Drawings

Product No. | Pole Height | Butt Dia. | Wall Thickness | Old Product No.

RTA40D8B4-** [ 40′ ] 8″ Butt Dia., 0.188″ Wall, 51-247
RTA40E8B4-** [ 40′ ] 8″ Butt Dia., 0.219″ Wall, 51-248
RTA40F8B4-** [ 40′ ] 8″ Butt Dia., 0.250″ Wall, 51-249

RTA40D9B4-** [ 40′ ] 9″ Butt Dia., 0.188″ Wall, 51-251
RTA40F9B4-** [ 40′ ] 9″ Butt Dia., 0.250″ Wall, 51-253

RTA40D1C4-** [ 40′ ] 10″ Butt Dia., 0.188″ Wall, 51-259
RTA40E1C4-** [ 40′ ] 10″ Butt Dia., 0.219″ Wall, 51-260
RTA40F1C4-** [ 40′ ] 10″ Butt Dia., 0.250″ Wall, 51-261
RTA40G1C4-** [ 40′ ] 10″ Butt Dia., 0.312″ Wall, 51-262