4-Bolt Base

Click image to enlarge.
To download a printable file, click PDF Download>

Details

FBC RTA 4-Bolt

Catalog Pages with 2023 FBC Wind Speed Map
PDF Download >

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
Read More >

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
Read More >

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
Read More >

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
Read More >

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.
6′RTA06B4A4-**4″0.125″78-001
8′RTA08B4A4-**4″0.125″78-002
RTA08D4A4-**4″0.188″78-015
10′RTA10B4A4-**4″0.125″78-003
RTA10D4A4-**4″0.188″
RTA10B5A4-**5″0.125″78-012
RTA10D5A4-**5″0.188″
12′RTA12B4A4-**4″0.125″78-004
RTA12D4A4-**4″0.188″78-018
RTA12B5A4-**5″0.125″78-009
RTA12C5A4-**5″0.156″78-009W3
RTA12D5A4-**5″0.188″78-009W4
14′RTA14B4A4-**4″0.125″78-005
RTA14D4A4-**4″0.188″78-019
RTA14B5A4-**5″0.125″78-010
RTA14C5A4-**5″0.156″78-021
RTA14D5A4-**5″0.188″78-022
16′RTA16D4A4-**4″0.188″78-027
RTA16B5A4-**5″0.125”78-011
RTA16C5A4-**5″0.156″78-029
RTA16C5B4-**5″0.156″51-002S48
RTA16D5A4-**5″0.188″78-030
RTA16D6B4-**6″0.188″
18′RTA18B5A4-**5″0.125″78-007
RTA18C5A4-**5″0.156”78-031
RTA18D5A4-**5″0.188″78-032
RTA18C6B4-**6″0.156”
RTA18D6B4-**6″0.188″
RTA18C7B4-**7″0.156”
20′RTA20B5A4-**5″0.125″78-008
RTA20C5A4-**5″0.156″78-033
RTA20D5A4-**5″0.188″
RTA20B6B4-**6″0.125″51-001
RTA20C6B4-**6″0.156″51-002
RTA20D6B4-**6″0.188″51-003
RTA20C7B4-**7″0.156″51-004
RTA20D7B4-**7″0.188″51-005
RTA20C8B4-**8″0.156″51-006
RTA20D8B4-**8″0.188″51-007
25′RTA25C6B4-**6″0.156″51-062
RTA25D6B4-**6″0.188″51-063
RTA25C7B4-**7″0.156″51-064
RTA25D7B4-**7″0.188″51-065
RTA25C8B4-**8″0.156″51-066
RTA25D8B4-**8″0.188″51-067
RTA25E8B4-**8″0.219″51-068
RTA25F8B4-**8″0.250″51-069
RTA25C1C4-**10″0.156″
30′RTA30C7B4-**7″0.156″51-124
RTA30D7B4-**7″0.188″51-125
RTA30C8B4-**8″0.156″51-126
RTA30D8B4-**8″0.188″51-127
RTA30E8B4-**8″0.219″51-128
RTA30F8B4-**8″0.250″51-129
RTA30D9B4-**9″0.188″51-131
RTA30F9B4-**9″0.250″51-133
RTA30D1C4-**10″0.188″51-139
RTA30F1C4-**10″0.250″51-141
35′RTA35C8B4-**8″0.156″51-186
RTA35D8B4-**8″0.188″51-187
RTA35E8B4-**8″0.219″51-188
RTA35F8B4-**8″0.250″51-189
RTA35D9B4-**9″0.188″51-191
RTA35F9B4-**9″0.250″51-193
RTA35D1C4-**10″0.188″51-199
RTA35E1C4-**10″0.219″51-200
RTA35F1C4-**10″0.250″51-201
RTA35G1C4-**10″0.312″51-202
40′RTA40D8B4-**8″0.188″51-247
RTA40E8B4-**8″0.219″51-248
RTA40F8B4-**8″0.250″51-249
RTA40D9B4-**9″0.188″51-251
RTA40F9B4-**9″0.250″51-253
RTA40D1C4-**10″0.188″51-259
RTA40E1C4-**10″0.219″51-260
RTA40F1C4-**10″0.250″51-261
RTA40G1C4-**10″0.312″51-262