bids are invited for fabrication, assembly and erection of bottom hull blocks - 1.1 hull construction upto 01 deck (qty mentioned is for 2 vessels) , fabrication, assembly and erection of upper hull blocks - 1.2 hull construction upto 01 deck (qty mentioned is for 2 vessels) , fabrication, assembly of bilge keel . - 1.3 hull construction upto 01 deck (qty mentioned is for 2 vessels) , shot blasting, primer coating of plates - 2.1 shot blasting, primer coating of plates (qty mentioned is for 2 vessels) , cnc cutting of plates and fabrication of corrugation bhds - 3.1 cnc cutting of plates and fabrication of corrugation bhds (qty mentioned is for 2 vessels) , shot blasting and painting of underwater exterior hull upto lower boottop - 4.1 shot blasting & painting of hull (qty mentioned is for 2 vessels) , shot blasting and painting of exterior hull between lower and upper boot top - 4.2 shot blasting & painting of hull (qty mentioned is for 2 vessels) , shot blasting and painting of exterior hull above boot top - 4.3 shot blasting & painting of hull (qty mentioned is for 2 vessels) , engine room blasting and painting as per painting scheme - 4.4 shot blasting & painting of hull (qty mentioned is for 2 vessels) , shot blasting and painting of inbuilt tanks - 4.5 shot blasting & painting of hull (qty mentioned is for 2 vessels) , one coat of shop primer for exposed decks - 4.6 shot blasting & painting of hull (qty mentioned is for 2 vessels) , internal area for side shell , bhds, dk heads upto 01 deck chipping , wire brush, emery paper cleaning + one coat primer application - 4.7 shot blasting & painting of hull (qty mentioned is for 2 vessels) , bilge keel - 5.1 installation of outfit items (qty mentioned is for 2 vessels) , skeg. - 5.2 installation of outfit items (qty mentioned is for 2 vessels) , ladders upto 01 deckvertical - 5.3 installation of outfit items (qty mentioned is for 2 vessels) , ladders upto 01 deckslopping - 5.4 installation of outfit items (qty mentioned is for 2 vessels) , hatches - 5.5 installation of outfit items (qty mentioned is for 2 vessels) , manholes - 5.6 installation of outfit items (qty mentioned is for 2 vessels) , avcat service tank - 5.7 installation of outfit items (qty mentioned is for 2 vessels) , draught marks - 5.8 installation of outfit items (qty mentioned is for 2 vessels) , datum plates - 5.9 installation of outfit items (qty mentioned is for 2 vessels) , coaming pipe ø48.3x5.1 - 5.10 installation of outfit items (qty mentioned is for 2 vessels) , bollards 315 (nominal size) - 5.11 installation of outfit items (qty mentioned is for 2 vessels) , chock (for nylon rope) 300 ø - 5.12 installation of outfit items (qty mentioned is for 2 vessels) , cleat 60 x 250 - 5.13 installation of outfit items (qty mentioned is for 2 vessels) , towing pad eye - 5.14 installation of outfit items (qty mentioned is for 2 vessels) , stag horn - 5.15 installation of outfit items (qty mentioned is for 2 vessels) , mooring pipes - 5.16 installation of outfit items (qty mentioned is for 2 vessels) , drain plug. - 5.16 installation of outfit items (qty mentioned is for 2 vessels) , sea tubes. - 5.18 installation of outfit items (qty mentioned is for 2 vessels) , tank penetrations. - 5.19 installation of outfit items (qty mentioned is for 2 vessels) , anodes - 5.20 installation of outfit items (qty mentioned is for 2 vessels) , blankingpads (for sea tube, sea chest, tank penetrations, distance piece for over board discharge valve) - 5.21 installation of outfit items (qty mentioned is for 2 vessels) , sea chest - 5.22 installation of outfit items (qty mentioned is for 2 vessels) , hawse pipe & spurling pipe - 5.23 installation of outfit items (qty mentioned is for 2 vessels) , distance piece (for over board discharge v/v) - 5.24 installation of outfit items (qty mentioned is for 2 vessels) , striking plates for tanks and bilges - 5.25 installation of outfit items (qty mentioned is for 2 vessels) , weld bead and painting of i) indian coast guard ii) pannent no iii) blue band - 5.26 installation of outfit items (qty mentioned is for 2 vessels) , corrugated bhd4 mm thk 2.2 mtrs height (total length 155 mtrs approx) - 5.27 installation of outfit items (qty mentioned is for 2 vessels) , transportation of material from gsl to contractor’s yard - 6.1 transportation of material , towing of vessel to gsl jetty from sub contractor’s yard - 6.2 towing of vessel total quantity : 1