direct buried in ground profile

Direct Buried

RTA mast arm direct buried 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 Mast Arm Direct Buried

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

Pole HeightProduct No.Butt DiaWallArm LengthOld 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