direct buried in ground profile

Direct Buried

RTA mast arm direct buried catalog page

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Details

RTA Single Mast 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 Mast Arm Direct Buried

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

Pole HeightProduct No.Butt DiaWallOld Product No.
20′RTA20C6BEM14-**6″0.156”[ 4′ ] 20-082
RTA20C6BEM16-**6″0.156”[ 6′ ] 20-085
RTA20C6BEM18-**6″0.156”[ 8′ ] 20-087
RTA20D6BEM14-**6″0.188”[ 4′ ] 20-002
RTA20D6BEM16-**6″0.188”[ 6′ ] 20-005
RTA20D6BEM18-**6″0.188”[ 8′ ] 20-007
25′RTA25C7BEM14-**7″0.156”[ 4′ ] 20-362
RTA25C7BEM16-**7″0.156”[ 6′ ] 20-365
RTA25C7BEM18-**7″0.156”[ 8′ ] 20-367
RTA25D7BEM14-**7″0.188”[ 4′ ] 20-292
RTA25D7BEM16-**7″0.188”[ 6′ ] 20-295
RTA25D7BEM18-**7″0.188”[ 8′ ] 20-297
30′RTA30C7BEM14-**7″0.156”[ 4′ ] 20-692
RTA30C7BEM16-**7″0.156”[ 6′ ] 20-695
RTA30C7BEM18-**7″0.156”[ 8′ ] 20-697
RTA30C8BEM14-**8″0.156”[ 4′ ] 20-642
RTA30C8BEM16-**8″0.156”[ 6′ ] 20-645
RTA30C8BEM18-**8″0.156”[ 8′ ] 20-647
RTA30D8BEM14-**8″0.188”[ 4′ ] 20-582
RTA30D8BEM16-**8″0.188”[ 6′ ] 20-585
RTA30D8BEM18-**8″0.188”[ 8′ ] 20-587
35′RTA35D8BEM14-**8″0.188”[ 4′ ] 20-862
RTA35D8BEM16-**8″0.188”[ 6′ ] 20-865
RTA35D8BEM18-**8″0.188”[ 8′ ] 20-867
40′RTA40D8BEM14-**8″0.188”[ 4′ ] 20-862
RTA40D8BEM16-**8″0.188”[ 6′ ] 20-865
RTA40D8BEM18-**8″0.188”[ 8′ ] 20-867