providing and fixing r . c . c benches in the city nissing , providing & fixing of precast concrete reinforced benches ( chair type ) with back-rest , manufactured by using m-30 grade of concrete & reinforced suitable to prevent damage during handling , transporation , execution & long use . the benches consis of 2 nos . l shape base support in gray / cement colour thickness 100mm , back height 1000mm & front height 450mm , base width 620mm , and 1 no . single plank size 1500 mm x 450mm x 75 mm for seat ( reinforced concrete ) and 1 no . single plank size 1500 mm x 300mm x 50 mm for back support ( reinforced concrete ) all part are joined togather with galvanized nuts & bolts of sutaible size . all bolts are sealed after assemble . ( n . s ) . ( i ) seating length of bench 1500mm ( ii ) seating height of bench 450mm . ( iii ) seating back height of bench 1000mm