36kV PRIMARY SUBSTATION SWRG; TRANSFORMER SWGR UNIT 36kV;800 A;31.5kA; 2000 A BUS;METAL ENCLOSED FIXED SWGR/ CONTROL GEAR ASSEMBLY SUITS 110 V DC, AUX SUPPLY INC CURRENT TRANSFORMERS FOR TRANSFORMER & BZ HI and LI protection schemes (3 cores). Associated wiring to the protection relays;