truss arm with direct buried

Direct Buried

direct buried truss arm catalog page

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Details

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 DiaWallArm LengthOld 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”8'
RTA40E8CET1A-**8″0.219”10'
RTA40F8CET1C-**8″0.250”12'
RTA40F8CET1E-**8″0.250”15'
RTA40D1CET18-**10″0.188”8'
RTA40E1CET1A-**10″0.219”10'
RTA40E1CET1C-**10″0.219”12'
RTA40E1CET1E-**10″0.219”15'