supply of , 4 x 70 sq. mm, xlpe insulated, 1100 volts grade, lt cable with improved fire performance categ ory c2, stranded aluminum conductor complying with class 2 of is 8130, cores laid up, inner sheath of pvc a pplied by extrusion, galvanised round steel wire or galvanized steel formed wire ( strip ) armoured, cores identifi cation by coloured strip applied on the cores, outer sheath of pvc compound applied by extrusion conforming t o the requirement of type st2 as per is 5831 & also meet the requirement of c2 category tests under clause 15. 1.1 & 15.2.1, conforming to is: 7098 part-1 with amendment no. 1, 2, 3, 4, 5 or latest & isi marked. [ warranty pe riod: 30 months after the date of delivery ] new general stores depot / kgp, west bengal 4200.00 metre