Electrical · E-F5QSD

Typical Pole Base Detail

Materials

Concrete Reinforced Concrete Steel Timber / Wood Masonry / CMU

Elements

Anchors / Embeds Reinforcing

Connections

Base Plate / Anchorage Welded Connection Bolted Connection

About this detail

A precast or poured concrete light pole base measuring twenty-four inches in diameter within a sonotube extends six feet below grade and one to two feet above finished grade. The concrete base is reinforced with six number six vertical rebar evenly spaced and number four rebar hoops spaced at twelve inches on center typically, with a one-inch nominal grout layer and one-inch at forty-five-degree chamfers on all exposed edges. Anchor bolts secure the pole, which features a ground stud, a hand hole, and a branch circuit conduit using rigid steel from the luminaire base out three feet typically. A handhole box, such as an Oldcastle Fibrelyte FL08 or approved equal, is installed adjacent to the base and connected via a number six American Wire Gauge wire to a three-quarter-inch by ten-foot ground rod using an exothermic weld. Non-frost susceptible material is placed around the upper portion of the foundation.

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