truss arm with direct buried

Direct Buried

direct buried truss arm catalog page

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Details

RTA Single Truss Arm Direct Buried 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.

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Direct Buried Pole bottom section on 6″+ butt diameter poles will be partially flattened into an anti-rotational, oval cross section. Wire access will be provided 24″ below ground line. Soil conditions vary by site. Foundation requirements should be determined by a qualified Structural Engineer with knowledge of jobsite soil conditions.

direct buried in ground profile

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.

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.

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 Arm Direct Bury

Click on the Product No. to download interactive PDF specification drawing.

Pole HeightProduct No.Butt DiaWallOld Product No.
25′RTA25C7BET18-**7″0.156”[ 8′ ] 30-265
RTA25C7BET1A-**7″0.156”[ 10′ ] 30-268
RTA25D7BET18-**7″0.188”[ 8′ ] 30-181
RTA25D7BET1A-**7″0.188”[ 10′ ] 30-184
RTA25D7BET1C-**7″0.188”[ 12′ ] 30-187
RTA25D8BET18-**8″0.188”[ 8′ ] 30-195
RTA25D8BET1A-**8″0.188”[ 10′ ] 30-198
RTA25D8BET1C-**8″0.188”[ 12′ ] 30-199
RTA25D8CET1C-**8″0.188”[ 12′ ] 30-237
RTA25D8CET1E-**8″0.188”[ 15′ ] 30-239
RTA25E8BET1E-**8″0.219”[ 15′ ] 30-214
30′RTA30C8BET18-**8″0.156”[ 8′ ] 30-601
RTA30D8BET18-**8″0.188”[ 8′ ] 30-529
RTA30D8CET18-**8″0.188”[ 8′ ] 30-567
RTA30D8BET1A-**8″0.188”[ 10′ ] 30-532
RTA30D8CET1A-**8″0.188”[ 10′ ] 30-570
RTA30D8CET1C-**8″0.188”[ 12′ ] 30-573
RTA30D8CET1E-**8″0.188”[ 15′ ] 30-575
35′RTA35D8BET18-**8″0.188”[ 8′ ] 30-853
RTA35D8CET18-**8″0.188”[ 8′ ] 30-889
RTA35D8CET1E-**8″0.188”[ 15′ ] 30-899
RTA35E8BET18-**8″0.219”[ 8′ ] 30-867
RTA35E8BET1A-**8″0.219”[ 10′ ] 30-868
RTA35E8CET1A-**8″0.219”[ 10′ ] 30-906
RTA35E8CET1C-**8″0.219”[ 12′ ] 30-907
RTA35E8CET1E-**8″0.219”[ 15′ ] 30-911
RTA35F8CET1C-**8″0.250”[ 12′ ] 30-921
RTA35F8CET1E-**8″0.250”[ 15′ ] 30-923
40′RTA40D8CET18-**8″0.188”
RTA40E8CET1A-**8″0.219”
RTA40F8CET1C-**8″0.250”
RTA40F8CET1E-**8″0.250”
RTA40D1CET18-**10″0.188”
RTA40E1CET1A-**10″0.219”
RTA40E1CET1C-**10″0.219”
RTA40E1CET1E-**10″0.219”