tender for procurement of bus bar chamber ( 800a, 400a, 200a ) & 63a welding receptacles for boiler & turbine area of unit #4 under emiph-ii department , sgtpp / wbpdcl- 1 procurement of bus bar chamber (800a, 400a, 200a) & 63a welding receptacles for boiler & turbine area of unit #4 under emiph-ii department , sgtpp / wbpdcl 2 junction box ( busbar chamber, 800a, 415v ac, 3ph+n, 50hz, i. one ms box with suitable paint & enclosure with ip 65 protection of minimum size- 1050 (h) x 900(l)x 500 (d) mm & made of 2.0 mm thick crca sheet. ii. all boxes shuld be painted with antirust coating. iii. enclosure should have earthing connection point. iv. al busbar size : 50 x 10 x 2 sqmm ) 3 junction box with accessories & tbs ( busbar chamber, 400a, 415v ac, 3ph+n, 50hz, i. one ms box with suitable paint & enclosure with ip 65 protection of minimum size- 830(h) x 650 (l) x 300 (d) mm & made of 2.0 mm thick crca sheet. ii . all boxes shuld be painted with antirust coating. iii. enclosure should have earthing connection point, iv. al busbar size : 50 x 10 x 2 sqmm ) 4 sa91416-aux. bus bar terminal assembly # ( busbar chamber,200a,415v ac, 3ph+n, 50hz, i. one ms box with suitable paint & enclosure with ip 65 protection of minimum size- 800(h)*600(l)*300(b) mm & made of 2.0 mm thick crca sheet. ii. all boxes shuld be painted with antirust coating. iii. enclosure should have earthing connection point, iv. al busbar size : 50 sqmm x 10 sqmm x 2 sqmm ) 5 receptacle,welding,63a,5pin,w/ rccb/elcb single outlet, wall mounting with decontactors (3p+n+e), cable gland entry ( i. one ms box with suitable paint & ip 65 protection of minimum size- 600(h)*300(l)*200(b) mm & thickness- 20 swg/0.711mm. ii. one abb /siemens make 63a rccb sensitive to 30 ma leakage current. 600(h)*300(l)*200(b) mm & thickness- 20 swg/0.711mm. iii. one 5 pin (3 p+n+e) welding plug & socket set of reputed make # abb/jaibalaji/bch with ip 67 protection iv. one 4p ,440v, 100a power terminal block suitable for 3.5c*95 sqmm cable connection. v. all internal wiring should be done by 20 sqmm cu wire of suitable colour for ryb phases & neutral (black ) & earth (green).vi all boxes should be painted with antirust coating. )