Electrical · E-Z9CJ3

Precast Electrical Manhole Vault Assembly and Dimensions

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A precast concrete electrical manhole vault consists of a top slab section and a base section with overall exterior dimensions of twelve feet by eleven feet. The top slab features eight four-ton swift-lifts and a thirty-six-inch diameter access opening with a grove, weighing 18,330 pounds. The base section includes sixteen twenty-four-inch by thirty-inch knock-outs, eight seven-eighth-inch diameter pull irons, and a twelve-inch diameter by four-inch sump, weighing 17,750 pounds. The internal height is dimensioned at eight feet maximum with a three-foot-six-inch clear dimension below the top slab soffit.

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