casual sleeper renewal(primary) of existing psc 60 kg sleepers laid under 60 kg 90 utsrails with new wide base psc 60 kg sleepers along with deep screening and raising ofballast cushion to standard for a length of 2.300 km. form km.399.700 to km.402.000 inpatches between kumar sodra and dantewara stations on kk-ii line of waltair division.bidding type normal tender .