Tender For (1)major repair to substructure and protection work of orn-3 and above bridges under the jurisdiction of aden/nir. (2) improvement of various bridges by repairs of cracks in wing wall abutment and floor for bridge no.4,25,29 and 32 between g-btc, be no.341,278,279 between nir-jbp and br no.7,22,29,31,32,36 between nir-mfr and retaining wall br no 12 btc-kge under the jurisdiction of aden/nir.