tender for special repair to bldg no t-30,t-31, t-35, t-36 & t-38 at old 853 coy asc loc in sukna mil stn under ge sukna-- 1 s&f pre painted galvalume aluminium zinc coating gi based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 mpa as in roof covering /cladding to wall fixed with self tapping screws complete all as specified and directed. 2 s&f pre painted galvalume aluminium zinc coating gi based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 mpa as in roof covering /cladding to wall fixed with self tapping screws complete all as specified and directed. 3 dismantling old cgi/pgi sheets of any description as in roof covering complete all as specified and directed. 4 dismantling framed work timber scantlings 40 sqcm and over in section, in any position complete all as specified and directed. 5 m & l mild steel work as in tubular trusses including special shaped washer etc complete in using erw or induction butt welded tubes confirming to is 1161-1979 grade st-240 complete all as specified and directed. 6 dismantling wrought iron or mild steel / structural steel work of any description not otherwise provided for complete all as specified and directed. 7 s & f plates (plain or chequered) channels. square cut or notched (ordinary and counter sunk) forming holes, with attachment conforming to fe-410-w and gde-e-250 as in gusset plate complete all as specified and directed.