Technical drawings NS172

49813 (157kb)    Standard Underground Pit Ladder - Arrangement & Details (for repair of existing ladders only - for new installations refer to 157908)

63678 (217kb)    SUBSTATION & CABLE PITS PULLING EYES TYPES A, B, C & D ARRANGEMENT & DETAILS

120488 (131kb)    Standard Underground Retractable Handgrip Stanchions - Arrangement & Details

157908 (50kb)    Standard Underground Pit Ladder with 75° Slope - Arrangement & Details

212446-1 (2017kb)    Precast 33kV Joint Bay - Civil Works Embedded and Electrical Earthing - Layout and Details

212446-2 (603kb)    132kV Precast Joint Bay - Civil and Electrical Works - Embedded and Electrical Earthing - Layout and Details

249060 (83kb)    Cable Pit (Precast) Typical Indicative Details