ARC CLEANING OF BOILER TG EMD CI DM UNIT-6

Sub-Component-1 (Package-I): Cleaning of Boiler Area

Ground floor boiler area of unit 6: Area below the boiler, regular de-silting/cleaning of all trenches including bottom ash hopper trench, area around the coal mills including cleaning of all trenches of coal mills, entire road between ESP and coal mills, area around PA fans, FD fans, all floor of PA fans & FD fans, area around the boiler fill pumps and DM storage tank, bricked area outside the TG hall unit-6 row towards Unit-7, cleaning of main road of boiler area between Unit-5 & 6 and cleaning of ground floor around chimney of Unit-5 & 6. Car parking stand: Entire car parking stand outside the TG hall of Unit-6, pucca floor and top roof of car parking stand etc.

ESP control room ground floor including all electrical panels, VFD Room, ESP control room 1st floor including all electrical panels and stairs & toilet of ESP control room. ESP HVR Transformer floor. Room near Chimney provided for CEMS and EQMS.

Firing floor area of unit 6: From 7.00 mtrs. to 32.00 mtrs. level of furnace Area (first Pass area ) i.e. around the furnace, all area of AB/CD/EF elevation, area above EF elevation upto 32.00 mtrs. Level of furnace, cleaning of fuel oil spillage on various floors & piping in boiler area. Cleaning of boiler lift of Unit-5 & 6 and stair case from 0 meter to 56 meters level of boiler lift.

Ground floor ID Fans area of unit 6: Area around the ID fans, all floor of ID fans, regular de-silting/cleaning of all trenches, area adjoining ash handling pump house, area outside the ESP control room, area around the ESP including cleaning of all trenches, all floors of ESP including ESP top.

Cleaning of roof of hot and cold air ducts, flue gas duct from RAH outlet to ESP inlet , from ESP outlet to ID fans inlet and ID fan outlet to chimney inlet.

Furnace Area between 32 mtrs. to 56mtrs. (Complete first & second Pass area ) level of furnace i.e. Area includes Boiler drum area, LTSH to top of furnace area , top of pent house roof area, piping in that area, connection floor of boiler with bunker floor of Unit-6.

Area around the economizer, area around RAHs, area below & above the RAHs (i.e. area below 32 meter of second pass area complete) R.C. Feeders floor area, connection floor from boiler to RC feeders floor and different elevation at center feed pipe connecting floor of Unit-6.

Deaerator floor and PRDS area of Unit-6: Complete deaerator floor area, PRDS floor area, toilet of PRDS floor & deaerator floor, area below steam pipe lines.

Fuel oil pump house of Unit 6: Inside area of fuel oil pump house, area around & including all the electrical panels, cleaning of oil from the trays of pumps, pipes, heaters, cleaning in front of pump house, removal of oil and water accumulated and putting back into the oil drain tank.

Chimney of boiler of Unit-5&6: Complete internal cleaning from zero mtr. to up to top of chimney. All inside stairs and railings up to top of chimney etc.

Upkeep / maintaining the area adjacent to DM plant Unit-5: Up keep/maintaining the area adjacent to DM plant Unit-5 (i.e. area between Ash handling plant and DM plant of Unit-5, degasser tank area, acid storage tanks, strip of land adjacent on right side of DM plant Unit-5 etc) by removal of vegetation growth (i.e. grass/ trees etc.) in the area i.e. degasser tank floors, acid storage tank floors etc. and behind service building Unit-5 & 6 up to area , area between the road and service building, roof of the septic tank, area adjacent to septic tank & road etc De-silting/ cleaning of all trenches/ drains in that area.

Lifting and transportation of fly ash and wet ash, garbage of unit 6, by tractor trolley to the dumping yard as per direction of EIC.

Ground floor boiler area of Unit 5: Road leading to DM plant from Boiler of Unit-5, Road between ESP and coal mills, ash handling main road & road leading to DM Plant from ash handling main road and road leading to neutralizing pit from D.G sets room.

Cleaning of area inside the DG sets room and BCW Drain Pump House including all LT MCC. area in front of DG sets room and BCW Drain Pump House cleaning of road leading from 6.6KV/TG hall unit 5 nearby adjacent area.

Sub-Component-2 (Package-II): Cleaning of Turbine Area

TG area and minus area of Unit 5: Cleaning of complete minus level area of TG-5 (-3.5 meter).

TG area and minus area of unit 6: Complete ground floor area of TG, TG Floor at 11 meters, Valve Floor at 6 meter, TG Hall Floor, Railings & all Staircase of TG unit 6, Internal area of compressor house, hydrogen filling area, hydrogen storage area and complete minus level area of TG (-3.5 meter).

Turbine Area of Unit 5: Cleaning of Complete Turbine Floor Area at 11 meters, TG Hall Floor, Railings, Area in front of Boiler lift including Wash Room near Lift and Complete ground floor area of TG/TG hall, internal area of compressor house.

Clarifier Pump House of Unit 6: Cleaning of Clarifier Pump House including LT MCC Room, Alum Storage room, Floor & Stairs of Alum Dosing Room including toilets of Clarifier of Unit-6. including roof of pump house and nearby adjacent area.

Colony Potable Pump House: Complete internal Cleaning of Colony Potable Pump House and connected toilets. Cemented outside stairs and Chlorinator Building and associated sites and nearby adjacent area.

CW pump house Unit 5&6: Complete internal cleaning of CW pump house-5&6 including all LT MCC, including BCW pump area of unit 5, Chlorination Room sulfuric acid storage tank area and nearby adjacent area.

Complete internal cleaning Fire Pump House unit-6 including LT MCC Room nearby adjacent area.

Miscellaneous Pump House of Unit 5: Cleaning of Miscellaneous Pump House including LT MCC Room, Alum Storage room, Floor & Stairs of Alum Dosing Room including toilets of Clarifier of Unit-5. including roof of pump house and nearby adjacent area.

Sub-Component-3 (Package-III): Cleaning of Control Room and other common area of CI and EMD Area

DCS/Engineering Room, Control Panel area and UPS Room of Unit-6 Battery Bank , C&I-IV Lab room at 6 mtr. & SWAS Room of Unit-6.

Control room of Unit-5 and N/E bus and valve MCC room. DVR & Thyristor room at TG Floor

6.6 KV Switchgear Room & LT MCC Hall at ground floor of Unit-5&6 & Battery Bank room at ground floor of Unit-5

Main control room of Unit-6 along with associated bathrooms/toilets and water cooler area. Cleaning of Toilets situated on TG area at all floors from 0 to 2nd floor. The above area must be cleaned minimum 03 times per days i.e. in each shift and as per site requirement of Shift Charge Engineer. Therefore, the frequency/quantity of this item will be considered as 03 nos. for a single day. Work against this item will be carried out tentatively on Daily Basis according to job indent which will be issued for each shift. Cleaning of Toilets has to be carried out at all the connected sites mentioned above under Sr. No. 1 to 3 once in a day.