|
| 1 | 21kg/cm2, 20 TPHcapacity boiler no 2( IJTMake) |
| 2 | Dismantling of old and weak boiler tubes, cleaning of seats in drum and dressing of nipple at header, fabrication of new tubes out of provided new material as per old sample or mill drawing, Erection of fabricated tubes in place of dismantled tubes .Welding or expanding /Bell mouthingof both ends of tubes by proper tools up to IBR norms along with satisfactory hydraulic testing at 32kg/cm2.All necessary formalities in accordance to IBR directives are to be taken up by you.(A) Screen Tubes from steam drum to mud drumsizefrom 76.2 mm X 4.06mm OD -25 Nos |
| 3 | Dismantling of old and weak boiler tubes, cleaning of seats in drum and dressing of nipple at header, fabrication of new tubes out of provided new material as per old sample or mill drawing, Erection of fabricated tubes in place of dismantled tubes .Welding or expanding /Bell mouthingof both ends of tubes by proper tools up to IBR norms along with satisfactory hydraulic testing at 32kg/cm2.All necessary formalities in accordance to IBR directives are to be taken up by you.(B)Side wall tubes from steam drum to mud drum size from 76.2 mm X 4.06mmOD -09Nos Left+09 Nos Right-18Nos |
| 4 | Machining/Lapping of boiler man hole Drum seat &coveralong with give satisfactory hydraulic testing at 32kg/cm2. |
| 5 | 21kg/cm2, 30 TPH capacity boiler -3 (Texmaco Make) |
| 6 | Dismantling fabrication and erection Seamless Superheated steam pipe8\"NB, SCH 40 ,SA-106 ,Grade B between main stop valve to common steam distribution header withsatisfactory steam trial .Material forSuperheated steam pipewill be in Mill scope.All necessary formalities in accordance to IBR directives are to be taken up by you . |
| 7 | 45kg/cm2, 40 TPH capacity boiler -4 (Lipi Make) |
| 8 | Dismantling of old and weak tubes, cleaning of seats in drum and dressing of nipple at header, fabrication of new tubes out of provided new material as per old sample or mill drawing, Erection of fabricated tubes in place of dismantled tubes .Welding or expanding /bell mouthingof both ends of tubes by proper tools up to IBR norms along with satisfactory hydraulic testing at 72kg/cm2.All necessary formalities in accordance to IBR directives are to be taken up by you(A) Screentubes from steam drum to bottom rear headersize 63.5 mmX 4.06mm X 14500 mm long-34Nos |
| 9 | Dismantling of old and weak tubes, cleaning of seats in drum and dressing of nipple at header, fabrication of new tubes out of provided new material as per old sample or mill drawing, Erection of fabricated tubes in place of dismantled tubes .Welding or expanding /bell mouthingof both ends of tubes by proper tools up to IBR norms along with satisfactory hydraulic testing at 72kg/cm2.All necessary formalities in accordance to IBR directives are to be taken up by you(B)Side walltubesfrom side bottom header to top side headersize 63.5 mm X 4.06mm X13500mm Length -37Right=Total37Nos |
| 10 | Extending the length with SCH-120 nipple of bottom side header (size 10\" X SCH 120 ) by providingflange and blind type arrangement along with fabrication and satisfactory hydraulic testing at 72kg/cm2 .All necessary formalities in accordance to IBR directives are to be taken up by you . Flange , blind ,High tensile nut & bolt along with high pressure spiral joint will be supplied by fabricator. 2Nos |
| 11 | Dismantling fabrication and erection of weak mud Drum to Front Header outside water Circulation Pipe (4\" NB, Schedule 80,A-106,Grade B , 10 mtr length of each circulation pipe)bunch of three pipe each side total 06 pipes (03 Nos Left +03 Nos Right ) in each Boiler no 4 Seamless SCH -80 MOC with satisfactoryhydraulic testing at 72kg/cm2.All necessary formalities in accordance to IBR directives are to be taken up by you . 06Nos |
| 12 | 45kg/cm2, 40 TPH capacity boiler -5 (Lipi Make) |
| 13 | Dismantling fabrication and erection of economizer coil (size 38.4 mmX 4.06mm x 109 mtr length )with satisfactory expansion and bell mouthing of tubes along with satisfactory hydraulic testing at 72kg/cm2. All necessary formalities in accordance to IBR directives are to be taken up by you. |
| 14 | Dismantling fabrication and erection along with satisfactoryhydraulic testing(72kg/cm2).All necessary formalities in accordance to IBR directives are to be taken up.Material(SCH 80) for economizer nipple will be in our scope.(A) Economizer inlet& outlet header nipples size 38.1mmX6.00mm x150 mm length .Material (SCH 80) for economizer nipple will be in our scope. |
| 15 | Dismantling fabrication and erection along with satisfactoryhydraulic testing(72kg/cm2).All necessary formalities in accordance to IBR directives are to be taken up.Material(SCH 80) for economizer nipple will be in our scope.(B) Economizer inlet& outlet header nipples size 38.1mmX6.00mm x150 mm length.Material (SCH 80) for economizer nipple will be supplied by fabricator. |
| 16 | Dismantling of old and weak boiler tubes, cleaning of seats in drum and dressing of nipple at header, fabrication of new tubes out of provided new material as per old sample or mill drawing, Erection of fabricated tubes in place of dismantled tubes .Welding or expanding /Bell mouthingof both ends of tubes by proper tools up to IBR norms along with satisfactory hydraulic testing at 72kg/cm2.All necessary formalities in accordance to IBR directives are to be taken up by you.(A) Roof tubes from steam drum to bottom front header size 63.5 mmX 4.06mmX 15500mm Length=Total 34 Nos |
| 17 | Dismantling of old and weak boiler tubes, cleaning of seats in drum and dressing of nipple at header, fabrication of new tubes out of provided new material as per old sample or mill drawing, Erection of fabricated tubes in place of dismantled tubes .Welding or expanding /Bell mouthingof both ends of tubes by proper tools up to IBR norms along with satisfactory hydraulic testing at 72kg/cm2.All necessary formalities in accordance to IBR directives are to be taken up by you.(B)Side walltubesfrom side bottom header to top side headersize 63.5 mm X 4.06mm X13500mm Length -37Right=Total37Nos |
| 18 | Dismantling fabrication and erection of weak mud Drum to Front Header outside water Circulation Pipe (4\" NB, Schedule 80,A-106,Grade B , 10 mtr length of each circulation pipe)bunch of three pipe each side total 06 pipes (03 Nos Left +03 Nos Right ) in each Boiler no 5 Seamless SCH -80 MOC with satisfactoryhydraulic testing at 72kg/cm2.All necessary formalities in accordance to IBR directives are to be taken up by you . 06Nos |
