36kV PRIMARY SUBSTATION SWGR;BUS SECTION SWGR UNIT;36kV;1600 A;31.5kA; 1600 A BUS;METAL ENCLOSED FIXED SWGR/ CONTROL GEAR ASSEMBLY SUITS 110V DC AUX SUPPLY INC CURRENT TRANSFORMERS FOR BZ & CBF PROTECTION SCHEMES (4 cores). Associated wiring to the protection relays;