supply installation testing commissioning of cctv surveillance system and allied infrastructurework at burdwan medical college and tertiary cancer centre, dist. purba bardhaman. (rattierer saathi)(itwork),project id:- hf242524560s000.-ei work related to cctv work.-- 1 distribution wiring in 1.1 kv single core stranded fr pvc insulated & unsheathed copper wire (make-gloster/kei/polycab/rr) in 20mm size pvc rigid conduit fr (precision /akg/polycab) incl. necy. fittings as required2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ecc 2 sitc of 04 way mcb enclosure 4-way with 01 no 16 a dp c type mcb & 01 no. surge protection devices of 275vac, 1p+1n, type 2, 40ka.(make-abb/l&t/schneider) 3 supplying and drawing 1.1 kv single core stranded fr pvc insulated & unsheathed single core stranded copper wire (make-gloster/kei/polycab/rr) of the following sizes in the prelaid fr pvc rigid conduit making necy. connection and as required - 2 x 04 sqmm 4 supplying and fixing of 20/25 mm pvc rigid conduit(precision /akg/polycab) fr on wall, ceiling with saddles and other accessories as required and mending good damages to building works. 5 supplying & fixing earth busbar of galvanized (hot dip) ms flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with gi bolts, nuts, washers, spacing insulators etc. as required 6 excavation of soil for installation of earth electrode and filling & ramming.(a) for soft soil 7 earthing with 50 mm dia gi pipe 3.64 mm thick x 3.04 mts. long and 1 x 4 swg gi (hot dip) wire (4 mts. long), 13 mm dia x 80 mm long gi bolts, double nuts, double washers incl. s & f 15 mm dia gi pipe protection (1 mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 mts. below the groundlevel as below:by isi-medium gi pipe 8 supply and delivery of steel almirah size-5(h) x 4(d) x 1.5(w) (make-raj & raj) 9 supply and delivery of 4 drawer steel cabinet size-54(h) x 19(d) x 27(w) (make-raj & raj) 10 extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) ci hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, gi reducer including drilling of 46 nos.12 mm dia holes on the gi pipe