Underground Structures (UGS)
Current as of January 27, 2023
The UGS Manual provides guidance and standards pertaining to installing and working with underground structures for electrical facilities. The UGS Manual includes general information on concrete, steel, precast reinforced concrete structures and pull ropes, conduits, fittings and risers, handholes and pull boxes, manholes and vaults (poured and precast), semi-buried structures, frames, covers, and accessories. It is used by contractors, engineers, architects, and manufacturers engaged in the installation of underground electrical structures.
All of the documents below are in PDF format.