replacement of cr seal required for expansion joints over maa flyover-1 supplying, fitting and fixing of cr seal required for expansion joint of maa flyover to all complete as per instruction engineer in charge. 2 removal of old dilapidated chloroprene seal of expansion joint , cleaning of necessary area to install new chloroprene seal , installation of new chloroprene seal and transportation charges to procure new chloroprene seal from the manufacturer all complete as per instruction of engineer in charge. 3 add overhead charges @ 30% for repair of bridge works 4 add gst @ 18% on rs. 5485740 i.e. total amount over item no. 01 to 03 5 add labour welfare cess @ 1% onrs.6473173.20 i.e. total amount over item no. 01 to 04