Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Insulation And Refractory Insulation , Refractory And Removal Of Fly Ash , Debris From Pressure Part , Ducts , Hoppers And Roof Of Pent House Etc . During Overhauling Of Unit-03 , 3X210 M . W . , Atps , Anpara. Submission Date for this Tender is 05-05-2020. Ceramic Fibre Products Tenders in Anpara Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 17-Feb-2020 | extension of date | Date | 23-03-2020 |
| 2 | 25-Mar-2020 | Extension of Date | Date | 05-05-2020 |
| Name of Work: Insulation, refractory & removal of fly ash, debris from pressure part, ducts, hoppers & roof of pent house etc. during overhauling of unit-I,3x210 M.W., ATPS, Anpara | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Insulation of pipeline, valves, header, pressure parts (I&II), ESP, Deaerator & ducts (except vertical & horizontal flue gas duct inlet to chimney) etc. of 3x210 M.W. Boilers. | |||
| 2 | 1.1 | When new cladding is to be provided with 24 / 22 Gauge (GI / Al) sheet to be provided by department free of cost including fabrication and fixing of cladding with structures: | |||
| 3 | 1.11 | When one layer of new / old mineral wool blankets / pads thickness 40 / 50 / 60 mm supplied by the department free of cost is to be provided. | 480 | SQM | |
| 4 | 1.12 | When more than one layer of new / old mineral wool blankets / pads thickness 40 / 50 / 60 mm supplied by the department free of cost. | 610 | SQM | |
| 5 | 1.2 | When Old removed GI sheet are to be re-fixed with the help of self tapping screw: | |||
| 6 | 1.21 | When one layer of new / old mineral wool blankets / pads thickness 40 / 50 / 60 mm supplied by the department free of cost is to be provided. | 855 | SQM | |
| 7 | 1.22 | When more than one layer of new / old mineral wool blankets / pads thickness 40 / 50 / 60 mm supplied by the department free of cost is to be provided | 1310 | SQM | |
| 8 | 2 | Insulation of vertical & horizontal flue gas duct inlet to chimney (approx. Height of duct from ground ‘30’ mtrs.) and fixing the new cladding. | |||
| 9 | 2.1 | Fixing the scaffolding pipes from ‘0’Mtr level to duct (approx.30 mtr) and dismantling the same after completion of work and shifting the scaffolding pipes to site store. | 1 | Job | |
| 10 | 2.2 | More than one layer of new mineral wool blanket /pad of thickness 40/50/60mm and new cladding is to be provided with 24 / 22 Gauge (GI / Al) sheet to be provided by department free of cost. | 830 | SQM | |
| 11 | 3 | Insulation of headers in pent house of 3x210 MW Boiler when two or more than two layers of old / New mineral wool blankets / pads of thickness 40 / 50 / 60 mm are to be provided on the headers in pent house. | 600 | SQM | |
| 12 | 4 | Replacement / re-fixing of old / new G.I. / Al sheet with the help of self -tapping screw. The mineral wool will not be replaced | 1840 | SQM | |
| 13 | 5 | Refractory work of main Boiler and pressure parts | 35 | MT | |
| 14 | 6 | Cleaning and removal of fly ash / foreign materials / debris / scraps etc and its disposal to '0' meter level boiler and from '0' meter to dumping yard from following areas | |||
| 15 | 6.1 | Primary cold air ducts (Left & right) including vertical ducts both side from P. A. Fans outlet dampers to APH | 1 | Job | |
| 16 | 6.2 | Secondary cold air ducts (both side) from outlet to APH | 1 | Job | |
| 17 | 6.3 | Dog House | 1 | Job | |
| 18 | 6.4 | Hot secondary air ducts (right) | 1 | Job | |
| 19 | 6.5 | Hot secondary air ducts (left) | 1 | Job | |
| 20 | 6.6 | wind box(right) | 1 | Job | |
| 21 | 6.7 | wind box(left) | 1 | Job | |
| 22 | 6.8 | gooseneck cat house front & rear | 1 | Job | |
| 23 | 7 | Cleaning and removal of fly ash / foreign materials /debris / scraps etc. and its disposal to ‘0’Mtr.level boiler, 3X210 MW and from ‘0’Mtr. to dumping yard from the various boiler heating areas consisting of following. | |||
| 24 | 7.01 | From ecconomizer Chamber of boiler | 1 | Job | |
| 25 | 7.02 | From gallery between reheater and arch tubes | 1 | Job | |
| 26 | 7.03 | From gallery between exit super heater and hanger tubes to conv. Super heater | 1 | Job | |
| 27 | 7.04 | From second pass | 1 | Job | |
| 28 | 7.05 | From pent house above furnace. | 1 | Job | |
| 29 | 7.06 | From gallery between platten super-heater and cold reheat headers in pent house. | 1 | Job | |
| 30 | 7.07 | From gallery between exit super-heater and convection super-heater headers in pent house. | 1 | Job | |
| 31 | 7.08 | From space between headers No10& rear side wall in pent house. | 1 | Job | |
| 32 | 7.09 | from gallery between cold reheat headers in pent house | 1 | Job | |
| 33 | 7.1 | From gallery in left & right of pent house between water wall and skin casing. | 1 | Job | |
| 34 | 7.11 | Space below boiler drum between front water wall and front drum house man hole. | 1 | Job | |
| 35 | 8 | Cleaning and removal of fly ash / foreign materials /debris / scraps etc. and its disposal to ‘0’Mtr.level boiler, 3X210 MW and from ‘0’Mtr. to dumping yard from the various boiler heating areas consisting of following | |||
| 36 | 8.1 | all the four economizer hoppers in each unit | 1 | Job | |
| 37 | 8.2 | All the four flue gas ducts from APH to ESP inlet in each unit. | 1 | Job | |
| 38 | 8.3 | Interconnecting duct of flue gas at ESP inlet in each unit | 1 | Job | |
| 39 | 8.4 | Flue gas duct hopper just before and after F.G-3 and F.G.-4 dampers. | 1 | Job | |
| 40 | 25 | Cleaning and removal of accumulated fly ashes / foreign materials / debris / scraps etc from Boiler roof and its disposal to '0' meter level boiler and from '0' meter to dumping yard. | 1 | Job | |
| 41 | 26 | Removal of set refractory from steam header for checking which involves breaking of refractory by chisel and removal of same and shifting to dumping yard. | 1 | Job |
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