bids are invited for arc for providing online leak sealing services in various operational units at numaligarh refinery limited; 10 charges for sealing of pin hole weld crack, union joint, bonnet, orifice flanges (for all ratings & for all gaps of flange) utilising a box/ring clamp (ms/cs) including supply of all materials, tools & tackles, manpower, machines, accessories etc. as per direction of eic. scaffolding, if required, shall be provided by nrl. 20 charges for sealing of pin hole weld crack, union joint, bonnet, orifice flanges (for all ratings & for all gaps of flange) utilising a box/ring clamp (alloy steel/ stainless steel) including supply of all materials, tools & tackles, manpower, machines, accessories etc. as per direction of eic. scaffolding, if required, shall be provided by nrl. 30 charges for sealing of flanges, valve bonnet/orifice flanges etc. (for all ratings & for all gap of flange up to 7 mm) the job includes on-line leak sealing of all types of steam, hydro carbon, acid or other leaks with /without isolation of the lines/equipment, with/ without provision of clamps as per job requirement and at different locations & heights. scaffolding, if required shall be provided by nrl. the unit of measurement of (inches) stands for per inch od of the flange. 40 sealing of valve glands (for all line sizes up to 24 inch & all rating) including supply of all materials, tools & tackles, manpower, machines, accessories etc. and complete the job in all respects as per the job in all respects as per direction of engineer-in-charge. 50 charges for sealing of pin hole weld crack, by caulking method including supply of all materials, tools & tackles, manpower, machines, accessories etc. as per direction of eic. scaffolding, if required, shall be provided by nrl. the unit of measurement (ea) stands for each joint attended. 60 online sealing incidental charge normal; normal incidental charges for on line leak sealing of all types towards journey stay etc. (journey by train/ bus)< unit of measurement: per team per visit> 70 online sealing incidental charge emergency; emergency incidental charges for on line leak sealing of all types towards journey stay etc. (journey by air/ car)< unit of measurement: per team per visit> 80 online sealing per day idle service charges for online sealing jobs of various types. unit of measurement : per team day 90 fabrication & supply of box clamp(ms/cs) with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required for completion of the job to the entire satisfaction of eic. the unit of measurement of square inches stands for per inch length of the box clamp x per inch od of the box clamp. 100 fabrication, supply of box clamp(alloy steel/stainless steel) with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required for completion of the job to the entire satisfaction of eic. the unit of measurement of square inches stands for per inch length of the box clamp x per inch od of the box clamp 110 fabrication & supply of ring clamp with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required to the satisfaction of eic. for ms/cs plate thickness up to 25mm the unit of measurement of id (inch dia) stands for per inch od (outer dia) of the ring clamp. 120 fabrication & supply of ring clamp with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required to the satisfaction of eic. for alloy steel/stainless steel plate thickness up to 25mm .the unit of measurement of id (inch dia) stands for per inch od (outer dia) of the ring clamp. 130 fabrication & supply of ring clamp with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required to the satisfaction of eic. for ms/cs plate thickness from (26- 50) mm .the unit of measurement of id (inch dia) stands for per inch od (outer dia) of the ring clamp. 140 fabrication & supply of ring clamp with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required to the satisfaction of eic. for alloy steel/stainless steel plate thickness from (26- 50) mm .the unit of measurement of id (inch dia) stands for per inch od (outer dia) of the ring clamp. 150 fabrication & supply of ring clamp with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required to the satisfaction of eic. for cs/ms plate thickness from (51- 75) mm. the unit of measurement of id (inch dia) stands for per inch od (outer dia) of the ring clamp 160 fabrication & supply of ring clamp with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required to the satisfaction of eic. for alloy steel/stainless steel plate thickness from (51- 75) mm .the unit of measurement of id (inch dia) stands for per inch od (outer dia) of the ring clamp. 170 fabrication & supply of ring clamp with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required to the satisfaction of eic. for cs/ms plate thickness from (76- 100) mm. the unit of measurement of id (inch dia) stands for per inch od (outer dia) of the ring clamp. 180 fabrication & supply of ring clamp with design & fabrication required for on line sealing including supply of all materials, tools & tackles, manpower etc. as required to the satisfaction of eic. for alloy steel/stainless steel plate thickness from (76- 100) mm. the unit of measurement of id (inch dia) stands for per inch od (outer dia) of the ring clamp.