FILTERS
supply of construction material 1). portland cement (opc-43 grade) manufacturing company must be an iso 9001: 2015 certified company 2). crushed stone coarse aggregate ( bajri) 3). fine aggregate ( sand ) 4). stone (nallah) 5). structural steel such as tees, angles, channels and r.s. joists etc 6). twisted steel/ deformed tmt bars fe-500d and of different size/ dia 7). galvanised steel corrugated sheets of 0.50 mm thick with zinc coating. 8). bricks common burnt clay non modular of class desgination 7.5 9 ). interlocking c.c. paver block (60 mm thick, m-30) should confirm to the requirement of is 15658-2006. the manufacturing company must be an iso 9001: 2015 certified company 10). chequered terrazo tiles 22 mm thick (dark shade)
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