CA07074E_Above Ground Enclosures

Internal Bracing Hubbell recommends internal bracing for box pads, extensions or any product that is subject to deformation caused by backfill compression. If compaction is required, or if heavy vehicles will be present during construction and/or throughout the life of the enclosure, internal bracing during backfilling operations will ensure minimal box sidewall deflections. This applies to all enclosures regardless of material. Supports should be 2 x 4s or similar material. Internal bracing supplied and installed by contractor or utility.

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