Konkan Railway Corporation Limited Tender

Removing, cleaning and greasing of existing rail screws of guard rails in mid section and refixed back with with KRCL grease and contractor' s materials, plants and equipments labours etc with all leads and lifts as directed by Engineer-in-charge.

Drilling of holes (vertically) into concrete sleeper in-situ for fixing guard rails and check rails o n concrete sleeper track at specified locations by concrete sleeper drilling machine with contractor's tools & plants, equipment, consumable with all lead & lift etc. complete, as directed by Engineer in charge as per RDSO's specification : 1) machine shall be able to drill hole in concrete sleeper from 16 mm to 22 mm dia 2) Action of machine shall be fast enough to drill hole in minimum 1 time, i.e. it shall not take more than 10 minute for drilling hole of dia. 22 mm and depth 150 mm. 3) Machine shall be able to drill hole of required size in suit condition 4) In case of electrically operated machine, operating voltage shall be 220-250 V to enable it to operate with domestic supply of electricity, single phase, A.C, 50 Hz or with single phase light weight portable generator commonly available in the market, 5) Weight of machine shall not exceed 10 kg for electrically machine (Without prime mover) and 50 kg for Diesel/Petrol operated machine (Including prime mover) 6) Machine shall be either non- infringing type or capable of being removed within 30 seconds to the face of approaching train)

Removing existing seized / corroded /broken rail screws/Plate screws in PSC sleepers by using gas, duly drilling holes in broken screws and removing existing rail screw pieces from the holes along with existing dowels and fixing new contractor's dowels (Procured from RDSO approved sources) and grouting around dowel with epoxy materials and refixing new Railway's rail screws duly greasing dowel portion with Railway's grease with all contractor's materials, consumables, tools & plants, labour with all lead, lift, crossing o f track etc. complete and as directed by the Engineer-in- charge.