tender for shifting and placing of chequerred plate, wooden sleeper etc from store to site at in the switchyard for easy movement of crane as per requirement. , opening of jumpers / connectors/ earthing from both ends of defective 245 kv sf6 circuit breaker of , 160mva t/f-iii bay reconnect it at both ends of the circuit breaker after installation & commissioning of new sf6 circuit breaker. , complete opening of various sizes & cores pvc unarmoured copper control cables such as 2cx2.5 mm², 4cx2.5 mm², 6cx2.5 mm², 10x2.5 mm², 12cx2.5 mm2 & 14cx2.5 mm2 between old 245 kv circuit breaker marshalling box and control panel and after proper identification & marking and its reconnection between new 245 kv circuit breaker marshalling box and control panel after providing new ferrules, copper lugs, cable tags etc as per drawing and making bunch with tag material with all cost of men, t&p etc. , dismantaling of following components of 220 kv, 1250 amp, 40 ka, sf6 circuit breaker after opening of 19 core of each phase control cable between each phase operating mechanism box & switch cubicle for easy carriage of dismantled parts from the site to store/designated place (approx. 200 mtrs) as per direction of supervising engineer of the substation as per details below. (a) chamber insulator (cb poles) -03 nos. (b) pole operating mechanism box-03 nos. (c) marshalling box- 01 nos. (d) support structure - 03 nos. (e) ladder with platform-03 sets. , fabrication by drill machine & making/smoothing of 04 nos. holes of 24 mm dia, as per drawing of base structure for fastening of support structure. in previousely fixed 12 nos. holes each plate (1000x1000x25 mm) and new bolt of 03 nos. 220 kv sf-6 circuit breaker structures. , supply and fixing of 24x150 mm 5.5 bolts with spring 6 and flat washer for erection of 03 nos. 220 kv, sf-6 circult breaker structures. , supply and fixing of 32x150 mm hot dip galvanized. bolts with spring and flat washer for erection of 03 nos. 220 kv sf-6 circuit