ARC for Misc. Mech. Repair jobs for the year 2022-23.

Amount

Annexure-I

A-Fabrication including cutting, edge preparation, welding, providing reinforcement pads at branch connection, if required, transportation of CS pipe & pipe fittings to work site. Rates of fabrication should be per inch dia. The fabrication of Mitre bends of various sizes and type will be included in the job.Circumferential joints involved in fabrication of steam jacketed piping shall come under the scope of this item

Rate per inch nominal dia of pipe per welding joint

1-Upto & Including Sch 40

2-Above Sch 40 & upto Sch 80

3-Above Sch 80 & upto Sch 160

B-Fabrication including cutting, edge preparation, welding, providing reinforcement pads at branch connection, if required, transportation of SS pipe & pipe fittings to work site. Rates of fabrication should be per inch dia. The fabrication of Mitre bends of various sizes and type will be included in the job.

Rate per inch nominal dia of pipe per welding joint

1-Upto & Including Sch 40

2-Above Sch 40 & upto Sch 80

3-Root run by TIG welding only

C-Fabrication including cutting, edge preparation, welding (By IBR qualified Welder), providing reinforcement pads at branch connection, if required, transportation and assistance for X-Ray & Stress Relieving of Alloy Steel and Carbon Steel pipes (IBR) and pipe fittings to Work Site. Rates of fabrication should be per inch dia.

Rate per inch nominal dia of pipe per welding joint

1-Above Sch 40 & upto Sch 80

2-Above Sch-80 and upto Sch-160

D-Gas cutting of old pipes, flanges & other fittings &shifting to sites as per instruction of Engineer in charge:

Rate per inch nominal dia of Pipe

1-Upto & Including Sch 40

2-Above Sch 40 & upto Sch 80

3-Above Sch 80 & upto Sch 160

E-Fabrication of Pipe/Tube by heating/cold bending.

Rate per inch nominal dia per Meter

1-Upto & Including 6 mm thickness

F-Cutting of CS plate.

Rate per running inch

1-Upto & including 6 mm thickness

2-Above 6 mm upto 12 mm thickness

3-Above 12 mm upo 20 mm thickness

4-Above 20 mm thickness

G-Cutting of SS Plate.

Rate per running inch

1-Upto & including 3 mm thickness

2-Above 3 mm upto 6 mm thickness

3-Above 6 mm upto 10 mm thickness

H-Cutting of SS pipes, flanges & other fittings &shifting to sites as per instruction of Engineer in charge

Rate per running inch

1-Upto & Including Sch 40

2-Above Sch 40 & upto Sch 80

3-Above Sch 80 & upto Sch 160

I-Erection of pipe including lifting, placing on sleeper/racks at all elevation, levelling, alignment, jointing of flanges including insertion of gaskets and bolting and supply of manpower for testing and flushing, if required. For steam jacketed piping, erection shall be measured for both core and jacket pipe.

Rate per inch nominal dia per Meter length of Pipe

1-Upto & including Sch 40

2-Above Sch 40 & upto Sch 80

3-Above Sch-80 and upto Sch-160

J-Fabrication of eccentric reducer and other fabrication out of plate fabrication.

Rate per inch welding length

1-Upto 6 MM Thickness

2-7 MM to 10 MM thickness

3-11 MM to 15 MM thickness

4-16 MM to 25 MM thickness

K-Running welding with joint preparation etc. Running welding of longitudinal joints of the jacket of steam jacketed piping shall also come under the scope of this item.

1-Upto 6 MM Thickness

2-7 MM to 10 MM thickness

3-11 MM to 15 MM thickness

4-16 MM to 25 MM thickness

L-Rate per MT

1-Fabrication & Erection of Steel Structure like Staircase, Ladder Platform, Walkways, Railings ,Pipe Support etc.

2-Fabrication&Erection of Rectangular Vesels, Chutes, Hopper & Ducts etc.from CS Plate by Cutting, Grinding Welding etc from 5 mm to 25 mm thickness Plate.

M-Replacement of stair case grating and floor grating.

1-Replacement of damaged pre-fabricated Staircase/Floor Grating by fabrication.

2-Dismantling of various type of Structure, Vessels,Pumps, Gear boxes, pipes and Miscellaneous equipments by Gas cutting of bolts etc. Opening the bolts at various Elevation including opening of flanges, bolts, nuts welding alignment and allied jobs

3-Erection of various types of Structures,Vessels,Pumps, Gear boxes, pipes and miscellaneous Equipment at various elevation including boxing up of flanges bolts & nuts, welding, alignment and allied jobs.

N-Fabrication of clamp and fixing of feed plate(patch wor)/clamp as per requirement( Attending leakages as per the Scope of work)

1-Clamp size for 2’ to 4” nominal dia of pipe

2-Clamp size for 5” to 8” nominal dia of pipe

3-Clamp size for 10” to 14” nominal dia of pipe

4-Clamp size for 15” to 20” nominal dia of pipe

Annexure-II

A-Fixing of Gate Valve, Globe Valve, Diaphragm Valve, Check Valve, Plug Valve, Ball Valve, Butterfly Valve, Relief and Safety Valve of all sizes.

Rate per Inch Nominal dia of Valve

1-Valve upto 300 psi rating

2-Valve from 600 to 900 psi #

3-Valve 1500 psi and above.

B-Opening & Fixing of Gate Valve, Globe Valve, Diaphragm Valve, Check Valve, Plug Valve, Ball Valve, Butterfly Valve of all sizes.

Rates when Valves are not to be Transported to Workshop (Mech)

Rate per Inch Nominal dia of valve

1-Valve upto 300 psi rating

2-Valvefrom 600 to 900 psi #

3-Valve 1500 psi and above.

C-Rates when Valves are to be Transported to Workshop (Mech)

Rate per Inch Nominal dia of valve

1-Valve upto 300 psi rating

2-Valve from 600 to 900 psi #

3-Valve 1500 psi and above.

D-Opening & Fixing of bonnet of valve in Raw water plant filter beds including replacement of spindle Gate Valve, Globe Valve, Diaphragm Valve, Check Valve, Plug Valve, Ball Valve, Butterfly Valve of all sizes.

Rate per Inch Nominal dia of valve

1-Valve upto 300 psi rating

E-Opening & boxing of Safety Valves including transportation of Valves to Workshop and back to Site.

Rate per Inch Nominal dia of inlet flange of Safety Valve

1-Valve upto 300 psi rating

2-Valve from 600 to 900 psi #

F-Opening & boxing up of flanges and manhole covers:

1-Upto 300 psi rating

2-From 600 to 900 psi #

3-1500 psi and Above

Note: 1-Any flange rating falls in between two flange rating, payment will be made on the basis of higher rating flange.

2-For Safety Valve, the size will be taken of inlet flange rating.

G-Opening & boxing up of bolts and nuts for flanges, Manhole covers and equipments. Rate should be quoted per bolt basis.

1-Bolt Size 1/2 inch & Below for rating upto 300 lbs.

2-Bolt Size upto 5/8 inch for rating upto 300 lbs.

3-Bolt Size upto 3/4 inch for rating upto 300 lbs.

4-Bolt Size upto 1 Inch for rating upto 300 lbs.

5-Bolt size upto 1&1/4 inch for rating upto 300 lbs.

6-Bolt size upto 1&1/2 inch for rating upto 300 lbs.

7-Bolt Size upto 2 Inch for rating upto 300 lbs.

Annexure-III

A-Replacement of Gate Valve, Globe Valve, Diaphragm Valve, Non-return valve, Check Valve, Plug Valve, Ball Valve, Butterfly Valve, Relief and Safety Valve of all sizes.

Rate per inch diameter of Dish End

1-Upto 300 lbs rating valve

2-600 lbs to 900 lbs rating Valve

3-1500 lbs rating Valve & above

Annexure-IV

A-Opening, Removal & boxing up of Dish End of Heat Exchanger.

Reate per Inch dia of Dish End.

1-Upto 300 lbs rating

2-600 lbs to 900 lbs rating

3-1500 lbs rating & above

Note: 1-Diameter will correspondence to the outer diameter of dish end flange.

2-Any dish end rating falls in between two rating, the payment will be made on the basis of higher rating dish end.

B-Opening, Removal & boxing up of Shell of Heat Exchanger.

1-Removal of Shell of U tube bundle of Heat Exchanger

2-Boxing-up of Shell of U-tube bundle of Heat Exchanger

Note:1-For removal & boxing up of Shell, the weight of the Shell only shall be taken into account.

C-Replacement of Tube bundle of Heat Exchanger.

1-Removal of Old Exchanger from position up-to 5 MT weight

2-Re-fixing of New Exchanger in position upto 5 MT weight

3-Removal of Tube bundle of Heat Exchanger

4-Re-fixing of Tube bundle of Heat Exchanger

Note:-1-For removal of Exchanger from position the weight of complete Exchanger shall be taken into account.

2-For removal of Tube Bundle of Heat Exchanger the weight of Tube Bundle shall be taken into account.

Annexure - V

A-Handling of equipments, vessels and other miscellaneous Items.

1-Handling of Equipment, Vessel Equipment Parts and other Misc items within Plant/Work-shop.

2-Shifting of Equipment Vessel Equipment Parts and other Misc items from One Plant to other Plant and from Plant to Workshop and vice-versa.

Annexure - VI

A-Job in Dust Chamber:

1-Replacement of dust chamber Filter

2-Opening & Boxing-up of 2" Nozzle

Annexure - VII

A-Repair of CFD Bed:

1-Removal & re-fixing of SS Strip.

2-Removal & re-fixing of 12 MM Skirt bolts.

3-Cutting & Straightening of Skirt plate

4-Removal & re-fixing of Complete SS Wire Mesh

5-Removal of SS perforated plate straightening and re - fixing of plates.

6-Fixing of Rubber Skirt

Annexure - VIII

A-Overhauling of Soot Blower of SGP & CPP .

1-Overhauling of Wall Soot Blower

2-Overhauling of Long Rectangular Soot Blower

3-Overhauling of Rotary Soot Blower of CPP

Annexure-IX

A-Jobs pertaining to SGP/CPP.

Ash Handling system of SG Plant & CPP.

1-Opening & Boxing up of B - B/B-C Adopter Sleeve Coupling from Size 150 mm to 300 mm dia.

2-Cutting of CI Fly Ash Pipe Line size from 150 mm to 200mm dia

3-Replacement of CI Fly Ash Pipe Line Size from 150 mm to 300mm (Max. length 5.5 MR)

4-Replacement of CI Elbow Short/long Radius, Size from 150 mm to 200mm dia 90/45 Degree.

5-Replacement of CI Lateral/Y Piece Size from 175 mm to 300mm dia 45 Degree.

6-Replacement of CI Expansion Joint Size 200 mm dia

7-Repair & Replacement of Air-Intake/Fly Ash Valve Size 150 mm dia

8-Repair & Replacement of Ash Extraction Valve (Ash Intake Valve) Size 150 mm to 175mm dia

9-Replacement of Valve Body along with Disc of Ash Extraction Valve Size 150 mm dia

10-Repair & Replacement of Totally Enclosed Rotary Slide Gate (TERSG Valve, Size 200 mm dia in Fly Ash line which includes Removal of TERSG Vale boxing up of TERSG Valve & Repair of Old TERSG Valve

11-Repair & Replacement of Vacuum Breaker Ass'y Size 150 mm dia

12-Exhauster Hydroveyor Assembly Size 200 mm dia (Approx. wt. 400 Kg)

13-Replacement of CI Tube Combining (Tail piece) for Exhauster Hydroveyer Size 200 mm dia

14-Replacement of Air Separator Tank of SG Plant (Approx Wt. 3 Te)

15-Replacement of Segment of Air Separator Tank of SGP (Approx Wt 175 Kg)

16-Replacement of Hydraulic Ejector Assembly (Jet Pump Ass'y) of Bottom Ash System (Approx Wt. 275 Kg)

17-Replacement of Inlet Piece of Hydraulic Ejector of Bottom Ash System.

18-Replacement of Combining Tube of Hydraulic Ejector of Bottom Ash System.

19-Repair / Replacement of Butter fly Valve, Size 300 mm dia

20-Replacement of Bearing of Clinker Grinder of SG Plant

21-Repacking of Gland of Clinker Grinder of SG Plant

22-Replacement of Clinker Grinder Bearing. Replacement including related jobs i.e. Gland packing Gear/Sprocket removal and fitting etc. of CPP

23-Replacement of Seal of Bottom Ash Hopper Gate including dismentling/ refixing of gate housing, power cylinder, service water line connection etc.

24-Repair & Replacement of Hydraulic Cylinder of Clinker Grinder.

25-Alignment of Gear Box & Motor of Clinker Grinder

26-Replacement of bearing housing with Impeller of ID/FD Fan. Replacement includes removal of Impeller housing of ID/FD Fan casing, removal of impeller & fixing on overhauled/new bearing housing, putting in position , alignment & after completion of job, top

B-Repair/Replacement of Coal & Oil Burner of SG Plant.

1-Repair & Replacement of Coal Burner Assy.

2-Repair & Replacement of Gas Burner Assy.

3-Repair of Coal Nozzle Tips (includes Cutting/Removal of damaged Baffle Plates, repair of body, Hard Facing and checking of fitting of Seal Plates.

4-Repair & Replacement of End Air Nozzle Tips

C-Pulverised Fuel (P.F.) system of SG Plant .

1-Opening & Boxing up of PF Line Victaulic Coupling, Size 300 mm dia.

2-Opening & Boxing up of PF Line Orifice, Size 300 mm dia.

3-Rotation of PF Distributor Outlet Pipe, Size 300 mm dia.

4-Replacement of PF Distributor Outlet Pipe, Size 300 mm dia.

5-Replacement of Coal Bends, Size 300 mm dia upto 60 Degree.

6-Replacement of Coal Bends, Size 300 mm dia above 60 Degree upto 90 Degree.

7-Repair of small Distributor (includes removal of old worn out Riffle Elements, Build up Hard Facing and fitting of New Riffle Elements)

D-Jobs pertaining to Electro Static Precipitator of SGP & CPP.

1-Dismantling & Removal of Collecting Electrode Plate.

2-Erection of Collecting Electrode Plate

3-Dismentling & Removal of Emmitting Electrode

4-Installation of Emitting Electrode

5-Replacement of Rapping Hammer (Outer Arm)

6-Repair & Replacement of Drive Shaft.

7-Repair & replacement of Guide Rod(Tie Rod)

8-Repair & replacement of Shock Bar

9-Replacement of Shock Pad.

10-Replacement of Screw Scrapper of Insulator of Rapping Drive for Emmitting Electrodes.

11-Repair & Replacement of Rapping Drive Geared Motor Assembly.

E-Jobs pertaining to Coal Handling / Urea & Bagging Plant /Bentonite Sulphur Plant

1-Impact Idlers (Rollers) Bracket Dismantling & Installation with New Idlers (Rollers) after repair for 750 mm & 1000 mm wide Belt.

2-Replacement of Impact Idlers (Rollers) for 750 mm & 1000 mm wide Belt

3-Self Aligning Idlers (Rollers) Bracket Dismantling & Installation with new Idlers (Rollers) after Repair for 750 mm & 1000 mm wide Belt.

4-Replacement of Self Aligning Idlers (Rollers) for 600,750 mm & 1000 mm wide Belt.

5-Troughing Idlers (Rollers) Bracket Dismantling & Installation with New Idlers (Rollers) for 750 mm & 1000 mm wide Belt.

6-Replacement of Troughing Idlers (Rollers) of carrying side for 750 mm & 1000 mm wide Belt.

7-Return Idlers (Rollers) Bracket Dismantling & Installation with New Idlers (Rollers) after repair for 750 mm & 1000 mm wide Belt.

8-Replacement of Return Idlers (Rollers) for 600, 750 mm & 1000 mm wide Belt.

9-Clamp Fatener Joint for 750 mm width Conveyor Belt.

10-Clamp Fastener Joint for 1000 mm wide Conveyor Belt.

11-Replacement of Screen Cloth Panel of Vibrating Screen.

12-Replacement of conveyor belt/oil resistant conveyor belt 1000mm/800mm/ 750mm/600mm

13-Hot Vulcanizing Joint for 600/750/800/1000 mm wide Conveyer Belt/ oil resistant conveyor belt

F-Job pertaining to Air preheater

1-Replacement of Radial Seals (Hot End) for Air Preheater of SGP Boilers (Includes removal of old seals, repair of mounting surfaces, if any; re-fixing of New Seals, adjustment of clearances and trial run) - (There are 12 Sectors / APH)

2-Replacement of Radial Seals (Cold End) for Air Preheater of SGP Boilers (Includes removal of old seals, repair of mounting surfaces, if any; re-fixing of New Seals, adjustment of clearances and trial run) - (There are 12 Sectors / APH)

3-Replacement of Circumferential and Rotor Post Seals (Hot End) for Air Preheater of SGP Boilers (Includes removal of old seals, repair of mounting surfaces, if any; re-fixing of New Seals, adjustment of clearances and trial run)

4-Replacement of Circumferential Seals and Rotor Post (Cold End) for Air Preheater of SGP Boilers (Includes removal of old seals, repair of mounting surfaces, if any; re-fixing of New Seals, adjustment of clearances and trial run)

Annexure-X

A-Opening/Inspection & Re-fixing of Demister.

1-AFA-601 (Size 1500 x 150 mm)

2-AGC-601 (Size 1650 x 150 mm)

3-UDA-203 (Size 1788 x 100 mm)

4-UDA-402 (Size 800 x 100 mm)

B-Opening/Inspection & Replacement of Demister in New Ammonia Plant.

1-F 302 CO2 absorber demister replacement

2-F 701 condensate stripper demister replacement

3-B-301 LP flash drum demister Replacement

4-B 302 HP Flash Drum demister replacement

5-F 551 Purge Gas Absorber demister replacement

Annexure - XI

A-Supply of Contract labour for unplanned/unforeseen Plant Break-down/Shut-down Jobs:

Labour Rates (Rate per working day of 8 Hours))

1-General Fitter/HES fitter(Highly Skilled Labour)

2-Auto Electrician(Highly Skilled Labour)

3-Rigger(Skilled Labour Gr.B)

4-Welder (IBR)

5-Welder(Non-IBR)(Skilled Labour Gr.B)

6-Turner/Machinist(Highly Skilled Labour)

7-Mazdoor/Helper(Unskilled )

B-Labour Rates (Over Time Rate per Hours)

1-General Fitter/HES fitter(Highly Skilled Labour)

2-Auto Electrician(Highly Skilled Labour)

3-Rigger(Skilled Labour Gr.B)

4-Welder (IBR)

5-Welder(Non-IBR)(Skilled Labour Gr.B)

6-Turner/Machinist(Highly Skilled Labour)

7-Mazdoor/Helper(Unskilled )

Annexure - XII

ITEM FOR UREA PLANT:

A-Opening & boxing up of swirl of UDA-201.

1-OD of perforated plate : 2050 MM, No. of Swirl: 1087

B-Repair of Wagon Hauler:

1- Single Joint of Wire Rope

2- Double Joint of Wire Rope

3- Replacement of Bearing of Wagon Hauler Pulley

4- Replacement of Wagon Hauler Pulley

C-Repair of Bucket Elevator.

1-Replacement of Chain along with bucket

2-Replacement of Sprockets, Head Tail End

3-Replacement of Bearings of Sprockets

4-Replacement of Each Bucket.

D-Replacement of Troughing, Carrying Rollers Assembly complete by removing & re-fixing of brackets.

1-For 1000 mm wide belt

2-For 600 mm wide belt

3-For 400 mm wide belt

E-Replacement of Return Rollers .

1-For 1000 mm Belt

2-For 600 mm Belt

F-Replacement of gearbox of conveyor belt in Urea and Bagging Plant.

Annexure - XIII

ITEMS FOR SMC:

A-Replacement of Ring Granulator Hammer .

1-Plain Hammer

2-Toothed Hammer

B-Replacement of Pulley Bearing

1-Bearing UCP-10

2-Bearing UCP-12

3-Bearing UCP-15

4-Bearing UCP-17

C-Replacement of Conveyor belt pulley with new bearing .

For Urea and Bagging plant

1-Pulley dia 500x700 Length 1150 for 1000 mm conveyor belt

2-Pulley dia 850 Length 1100 for 1000 mm conveyor belt

3- Pulley dia 500 Length 850/900 for 800 mm conveyor belt

4- Pulley dia 510 Length 750 for 600 mm conveyor belt

For SMC Plant

1-Pulley size 630/650 dia x 1100/1150

2-Pulley size 500 dia X 1150

3-Pulley size 500 dia X 900/850

4-Pulley size 400 dia x 1150

5-Pulley size 400 dia x 900/850

D-Replacement of Expansion Bellow:

1-Expansion Bellow size 1120x1780x 300 mm

2-Expansion Bellow size 1200x4445x 250 mm

3-Expansion Bellow size 1700x4364x 250 mm

4-Expansion Bellow size 1700x2240x 250 mm

5-Expansion Bellow size 4200x5760x 360 mm

Annexure - XIV

A-ITEMS FOR MECHANICAL WORKSHOP

1-Scrap removal, machine cleaning and lubrication of guide ways etc.of Boring M/c,Lathe M/c(six Nos.),Radial Drilling M/c,Horizotal Surface Grinder,shaper and Slotter (2Nos.),Cylinderical grinder,Lapping M/c, Milling M/c and hydraulic press(200Te)

2-Loading of jobs, Centering/Setting and unloading of Boring M/c,Lathe M/c(six Nos.),Radial Drilling M/c,Horizotal Surface Grinder,shaper and Slotter (2Nos.), Cylinderical grinder, Milling M/c and hydraulic press(200Te)

3-Assistance for polishing work for Workshop Machinery i.e. Lathe M/c(six Nos.),Radial Drilling M/c Shaper and Slotter (2Nos.), Milling M/c etc.

4-Assistance for repair of valves/overhauling and for fabrication shop

B-Job pertains to Heavy Earth Moving Section (Auto Section)

Rate for No. of Times jobs to be done in a year

1-Assistance in upkeep/maintenance of Auto Section of its various equipment I.e.127Te/75Te/Coles Crane,Hydra crane (3Te,5Te,8Te), Dozer (D-80 A12),Loader (Terex), 50HX Backhoe Loader,Tractor Trolley etc.as well as deployment of various Cranes/Tractor Trolle

C-Deployment of Operator for operating various equipments.

1-127 Te/75Te Crane

2-Coles Crane/50 HX Backhoe Loader

3-14 Te/8 Te/5Te/3Te Hydra

4-Tractor

D-Deployment of Operator for operating various equipments. (Over time rate/ hour)

1-127 Te/75Te Crane (Over time)

2-Coles Crane/50 HX Backhoe Loader (Over time)

3-14Te/8 Te/5Te/3Te Hydra (Over time)

4-Tractor

E-Servicing of Crane and other Heavy Earth moving equipments. Job includes repalcement of all filters of air, L.O, diesel and hydraulic oil system including replacement of Lubricating/ hydraulic Oil. Greaing of all greasing points adjustment/ replacement

1-Servicing of dozer D80- A 12

2-Servicing of P&H 75 Te crane

3-Servicing of coles crane 12T

4-Service of escorts hydra cranes 8 Te cap,

5-Service of escorts hydra cranes 5Te cap,

6-Service of escorts hydra cranes 3 Te cap,

7-Servicing of potable Air compressor engine

8-Servicing of potable Diesel Welding sets

9-Servicing of locomotive engine WDS-4 model.

10-Cleaning of radiator of dozer, Job includes removal of radiator and its fan, cleaning of fins from outside and assembly of the same. If required centre arm is also to be removed to take out the radiator.

11-Cleaning of air filter of dozers, Job includes removal of filter elements and cleaning of the same with air and boxing up back.

12-Reduction/extension of boom of 127 Te mobile crane of length as per the plant-in-charge instruction. Job includes shifting of extension piece to site. Removal of hook, pins stay wires etc after lowering the boom and fixing/ removal of the extension piece and fixing the same. Fixing of extension piece and removal of the same after completion of the work shall be considered one time only and considered for full lengh of boom.

13-Reduction/extension of boom of 75Te mobile crane of length as per the plant-in-charge instruction. Job includes shifting of extension piece to site. Removal of hook, pins stay wires etc after lowering the boom and fixing/ removal of the extension piece and fixing the same. Fixing of extension piece and removal of the same after completion of the work shall be considered one time only and considered for full lengh of boom.

Annexure - XV

LOAD TESTING OF CRANES & LIFTING TACKLES:

Annual load testing of cranes & lifting tackles includes the lubrication of all the points, checking the brake blocks/brake liners etc. for proper operation with respect to load testing. In case of any abnormality faced in operation during load testing of Cranes/Hydra/EOT shall be rectified by NFL. Trolley mounted/chain blocks shall be attended by contractor. Spares, if required, will be provided by NFL free of cost.

A-Cranes/Hydra/EOT Cranes

1-TATA P&H Crane Cap. 127 Te, Located at Mech Workshop

2-TATA P&H Crane Cap. 75 Te, Located at Mech Workshop

3-Coles Crane Cap. 12.5 Te, Located at Mech Workshop

4-Hydra 8Te Located at Mech Work-shop

5-Hydra 5 Te Located at Mech. Work-shop

6-Hydra 3 Te Located at Mech. Work-shop

7-M/s Garlic Udyog O/H Crane, capacity 20 Te in Urea Compressor House.

8-M/s Mukand Engg. O/H Crane Cap. 20/5 Te in Ammonia Comprssor House

9-M/s Garlic Udyog O/H Crane, capacity 50 Te in Amm. Syn. Gas Compressor House.

10-M/s Garlic Udyog O/H Crane, capacity 10 Te in Workshop.

11-M/s Garlic Udyog O/H Crane, capacity 5 Te in O&U Compressor House.

12-M/s Khandewal Udyog EOT Crane Cap. 5 Te of Urea Pump House and Bagging Plant Empty Bag Store

13-M/s Garlic Udyog O/H Crane, capacity 0.5 Te in RWP Chemical Dozing House

14-M/s khandewal Udyog O/H Crane, capacity 43/10 Te in TG House CPP.

15-Single Girder EOT Crane (BUC Make), capacity 5 Te, Located at Slurry Pump House and Ash Water Pump House.

16-Wire Rope Hoist (TAK Elect. Make), capacity 7.5 MT at Prilling Tower Top.

17-Wire Rope Hoist (Tirfor Make), capacity 1.6 MT at Urea Syn. Reactor Top.

18-Wire Rope Hoist, capacity 2 MT at Hydro Vector Tower of SG Plant.

19-Wire Rope Hoist, capacity 2 MT at Hydro Vector Tower of CPP Plant.

20-Chain Hoist, capacity 2 MT at Bowl Mills Bay & Fireman's Floor in SGP and Coal Feeder in CPP.

21-M/S garlic udyog O/H EOT crane capacity 25/5 Te in old ammonia compressor house

22-M/S armsel engg. O/H EOT crane capacity 25/5 Te in new ammonia compressor house

23-M/S HERCULEOS. O/H EOT crane capacity 1Te in Bentonite Sulphur plant

B-Chain Pulley Blocks.

Rates for Testing only.

1-Chain Pulley Block, capacity 0.5 Te

2-Chain Pulley Block Capacity 1.0 Te

3-Chain Pulley Block, capacity 1.5 Te

4-Chain Pulley Block Capacity 2.0 Te

5-Chain Pulley Block Capacity 3.0 Te

6-Chain Pulley Block Capacity 4.0/5.0 Te

7-Chain Pulley Block Capacity10.0 Te

C-Rates for Repair/Overhauling & Testing

1-Chain Pulley Block Capacity 0.5 Te

2-Chain Pulley Block Capacity 1.0 Te

3-Chain Pulley Block Capacity 2.0 Te

4-Chain Pulley Block Capacity 3.0 Te

5-Chain Pulley Block Capacity 4.0/5.0 Te

6-Chain Pulley Block, capacity 7.5 Te

7-Chain Pulley Block, capacity 10.0 Te

Annexure - XVI

Electrical Dept.

A-Shifting of ID Fan Motors.

1-Shifting of ID Fan Motors

2-Replacement and shifting of UJD-301 A & B Screw conveyor geared motors

B-Opening/fixing of Electrical Motors and placing in the Plant for repair. Repair will be in the scope of NFL.

Rates when Motors are not to be shifted to Elect. Workshop

1-From 11 K.W. to 90 KW

2-From 90 K.W. to 315 KW

3-Above 315 KW Motor

C-Rates when Motors are to be shifted to Elect. Workshop

1-From 11 K.W. to 90 KW

2-From 90 K.W. to 315 KW

3-Above 315 KW Motor

4-UGB-302, 600 KW at Prilling Tower Top at 65 Meter Height (Approximate Weight 6 MT)

5-UGA-302 A & B, 125 KW at Prilling Tower Dust Chamber at 50 Meter Height (Approximate Weight 1.5 MT)

Annexure - XVII

Valves pertaining in Instrument Dept.

A-Upto & including 3" dia

1-Opening upto 600 lbs Rating.

2-Re-fixing upto 600 lbs Rating.

3-Opening above 600 lbs Rating.

4-Re-fixing above 600 lbs Rating.

B-Above 3" dia and upto & including 6" dia:

1-Opening upto 600 lbs Rating.

2-Re-fixing upto 600 lbs Rating.

3-Opening above 600 lbs Rating.

4-Re-fixing above 600 lbs Rating.

C-Above 6" dia and upto & including 12" dia:

1-Opening upto 600 lbs Rating.

2-Re-fixing upto 600 lbs Rating.

Annexure - XVIII

A-Replacement of Economiser Tube of Boiler: (Involves Cutting to reach weak tube, edge preparation, fitting of new tube, root run, DP check, final welding, Assistance in X-Ray and Hydro test. Also includes erection of scaffolding & working platform, wherever required. Welding shall be carried out by an IBR qualified Welder). It includes 2 welding joints per tube upto the length of 6.4 Meter.

1-Economiser Tube Welding Joint (Upto Tube OD 63.5 mm)

2-Economiser Tube Length Erection (Upto Tube OD 63.5 mm)

B-Replacement of Water Wall Tube of Boiler: (Involves cutting, edge preparation, fitting of new tube, root run, DP check, final welding, Assistance in X-Ray, Hydro test and welding of sealing fin. Also includes erection of local additional scaffolding & working platform, wherever required. welding shall be carried out by an IBR qualified Welder).

1-Water Wall Tube Welding Joint (Upto Tube OD 76.2 mm)

2-Water Wall Tube Length Erection (Upto Tube OD 76.2 mm)

C-Replacement of Super Heater Tube of Boiler: (Involves cutting, edge preparation, fitting of new tube, root run, DP check, final welding, Assistance in X-Ray and Hydro test. Also includes erection of local additional scaffolding & working platform, wherever required. Welding shall be carried out by an IBR qualified Welder).

1-Super Heater Tube Welding Joint (Upto Tube OD 63.5 mm)

2-Super Heater Tube Length Erection (Upto Tube OD 63.5 mm)

D-Repair job in Steam Drum and Mud Drum of BHEL & MES Boiler

1-Plug Welding in Steam Drum and Mud Drum of BHEL & MES Boiler

2-Seal Welding in Steam Drum of BHEL & MES Boiler

3-Seal Welding in Mud Drum of BHEL & MES Boiler

Note: One set mentioned under item code 18.01D.01 mean 1 No. each in Steam & Mud Drum

E-Replacement of Sacrificial Protection Cover of Economiser Tube.

1-Sacrificial Protection Cover Bend Outer

2-Sacrificial Protection Cover Bend Inner

3-Sacrificial Protection Cover Bend Straight

F-Erection & dismantling of scaffolding for various jobs at various heights inside/outside Boiler, Furnace, Steam Start-up Heater or any other Vessels as under:

1-Upto & including 10 meter height

2-Above 10 Meter upto & below 25 meter height

3-Above 25 Meter Height

1-Scaffolding material(Steel Pipe & other fittings) supplied by NFL

2-Area of platform with Steel Planks & Steel Challies shall be arranged by contractor.

3-A safe Approach by ladder & Intermediate stay will be made for reaching the work place.

4-Area of Platform will be considered for measurement purpose.

Annexure - XIX

A-Additional items to be excuted in different Section/Plant.

1-Heating of Pipe Lines of Urea and Bentonite Sulphur plant

2-Heating of Mechanical Components like Bearings, Couplings, Hubs etc. during Mounting/ Dismounting at the time of assembly of Equipments (All consumables like Oxygen, DA Gas etc. required for this job will be in the scope of Party)

Annexure - XX

A-REPAIR/OVERHAULING OF BOWL MILLS AND MAINT. OF ASH DISPOSAL LINE EXHAUSTER & GEAR BOX AND ITS COMPONENTS

JOB PERTAINS TO RC FEEDER:

1-Replacement(Including Fabrication & Hard facing) of Square Coal Feed Chute between Coal Bunker Hopper and Coal Feed Gate.

2-Reapir & Replacement of Coal Feed Gate (Including Hard Facing)

3-Replacement(Including Fabrication & Hard facing) of Square Inverted Pyramid Coal Inlet Chute between Coal Feed Gate & RC Feeder.

4-Replacement of Feed Roll Blades of RC Feeder (1 Set = 6 Nos.)

5-Replacement of Feed Roll Spider Assembly of RC Feeder

6-Overhauling including Repair & Replacement of RC Feeder

7-Repair & Replacement of Hing Gate Mechanism Assembly of RC Feeder

8-Repair & Replacement of Hing Gate & Blade Assembly of RC Feeder

9-Preventive Maint.Inspection including replacement of bearings (DE & NDE) of RC Feeder (1 Set = 2 Nos.)

10-Replacement(Including Fabrication & Hard facing) of Coal Discharge Chute between RC Feeder and Coal Feed Pipe of Bowll Mill.

JOB PERTAINS TO BOWL MILL:

11-Replacement of Coal Feed Pipe between RC Feeder Discharge Chute & Bowl Mill.

12-Repair of Converter Head by patch welding and Box up.

13-Replacement of new Converter Head

14-Overhauling of Roller Journal Ass'y of Bowl Mill

15-Adjustment of clearance (Gap) between Roller Journal Assembly & Bull Ring and pressure Ring Assembly.

16-Replacement of Roller Journal Assembly

17-Repair & Replacement of Inner Cone

18-Overhauling including Repair & Replacement of Wear Components of Bowll Mill excluding Gear box.

19-Replacement of Worm Shaft Ass'y including blue matching of Worm Shaft & Gear Wheel and alignment.

20-Overhauling of Worm Shaft Assembly

21-Overhauling including Repair & Replacement of complete Bowl Mill.

22-Preventive Maint. of Oil Pump Assembly including lower Bearing Housing.

23-Replacement of scraper Assembly of Bowl Mill.

24-Opening & Boxing up of one segment of Skirt Assembly (for inspection of vertical Shaft & its Upper Guide Bearing)

25-Replacement of Skirt Ass'y(1 No. = 4 segments)

26-Opening & Boxing up of Bibby / Gear Coupling between Bowl Mill and Exhauster or Motor for Inspection.

27-Alignment of Bibby / Gear Coupling between Bowl Mill and Exhauster or Motor.

28-Replacement of coupling including alignment of coupling between Bowl Mill and Exhauster or Motor.

29-Overhauling of Hot Air Gate

30-Replacement of Mill Body Liner for Bowl Mill (Includes removal of old liner by opening of bolt/cutting, surface preparation by welding/grinding, if required and fixing of New Liner)

31-Replacement of Extension Strip in Bowl Mill which includes removal of old strip and welding/positioning of new strip (1 set includes 6 Nos.)

JOB PERTAINS TO EXHAUSTER:

32-Opening & Boxing up of Manhole Cover for Inspection of Exhauster.

33-Opening & Boxing up of Manhole Cover and assistance in balancing.

34-Replacement of periphery Liners # II (below door) of Exhauster (including opening & boxing up of Manhole Cover)

35-Replacement of periphery Liner (door) of Exhauster (including opening & boxing up of Manhole Cover)

36-Replacement of periphery Liners # III (above door) of Exhauster (including opening & boxing up of Manhole Cover)

37-Replacement of periphery Liners # IV (Top) of Exhauster (1 set = 4 Nos.)

38-Replacement of Fan Blades and balancing of Exhauster (1 set = 6 Nos.)

39-Replacement of Whizer Blades and balancing of Exhauster (1 set = 6 Nos.)

40-Replacement of Whizer Disc and balancing.

41-Replacement of Fan Intake pipe of Exhauster.

42-Fabrication & Erection of Fan intake pipe (Rate should be on per meter basis)

43-Replacement of Exhauster suction Elbow alone.

44-Replacement of Discharge Neck of Exhauster alone.

45-Replacement of Stub End Victaulic Coupling of Discharge Neck of Exhauster alone.

46-Replacement of complete ED Valve Assembly including Disc, Shaft, Bushing and Power Cylinder alone.

47-Overhauling of ED Valve Ass'y including repair & replacement of Body, Disc, Shafts & Bushing etc. alone.

48-Overhauling & Replacement of Bearing Housing Assembly of Exhauster alone.

49-Overhauling including Repair & Replacement of Exhauster Ass'y including Bearing Housing, Exhauster Casing & ED Valve Assembly.

50-Overhauling including Repair & Replacement of Exhauster Ass'y.incuding bearing housing but excluding Exhauster Casing and ED Valve Assembly.

51-Overhauling including Repair & Replacement of Exhauster Ass'y. excluding replacement of Bearing Housing Assembly, ED Valve Assembly and Exhauster Casing.

52-Replacement of complete Riffle Element of big Riffle Distributor for Pulverised Fuel.

53-Replacement of big Riffle Distributor Assembly for Pulverised Fuel.

54-Replacement of complete Riffle Element of small Riffle Distributor for Pulverised Fuel.

55-Replacement of small Riffle Distributor Assembly for Pulverised Fuel.

56-Replacement of Motor of Bowl Mill

57-Replacement of Extension Ring & Strip

58-Replacement of intermediate/ deflector/ deflector body-Liner

59-Replacement of spring Assy.

60-Replacement of Jack bolt

61-Replacement of Ash water Pump in SGP including alignment

62-Overhauling of Ash water Pump in SGP

63-Replacement of Bearing of Ash Water Pump in SGP which includes matching of Bearing surface with shaft.

64-Replacement of flange segment for exhauster(removed by cutting alinging&refixing in position by welding on both sides.

Annexure - XXI

MAINTENANCE OF ASH DISPOSAL LINE TO ASH POND

1-Replacement(Including Repair) of 12" dia Motor Operated Knife Edge Gate Valve (KEGV).

2-Replacement of Knife Edge Gate of 12 inch dia Motor Operated Knife Edge Gate Valve.

3-Replacement of spindle & bush of 12" dia Motor Operated Knife Edge Gate Valve.

4-Opening & Boxing up of 12" dia spool piece in the suction line of Ash Slurry Pump.

5-Opening & Boxing up of 12" x 10" dia Reducer in the suction line of Ash Slurry Pump.

6-Opening & Boxing up of suction side Cover of Ash Slurry Pump.

7-Opening & Boxing up of 6" NB 150# Flange

8-Opening & Boxing up of 12" NB 150# Flange

9-Opening & Boxing up of 12" NB 150# Flange Pipe Sleeve Coupling (including replacement of Coupling Gasket)

10-Replacement of 12 Inch dia 150# Pipe Sleeve Coupling.

11-Replacement(Including Repair) of 12" NB 45 Degree C.I. Elbow.

12-Replacement(Including Repair) of 12" NB 45 Degree C.I. Offset Elbow ('S' Elbow)

13-Replacement(Including Repair) of 12" NB 90 Degree C.I. Elbow.

14-Replacement(Including Repair) of 12" NB 45 Degree C.I. Letral.

15-Replacement of 12" Sch-40 pipe line (Including Opening & Boxing up of End Connections etc)

16-Replacement(Including Repair) of 12" NB 150# Plate Valve.

17-Replacement of gasket of Plate of 12" dia 150# Plate Valve.

18-Reversal of 12" dia 150# Plate Valve (i.e. open to close or vice-versa)

19-Opening & Boxing up of 14" NB 150# Flange

20-Opening & Boxing up of 14" NB 150# Pipe Sleeve Coupling (including replacement of Coupling Gasket).

21-Replacement of 14" dia 150# Pipe Sleeve Coupling.

22-Replacement(Including Repair) of 14" NB 45 Degree C.I. Elbow.

23-Replacement(Including Repair) of 14" NB 90 Degree C.I. Elbow.

24-Replacement(Including Repair) of 14" NB C.I. Tee

25-Replacement of 14" NB Sch-40 pipe line (including opening & boxing up of End Connections etc.)

26-Erection of 14" NB Sch-40 pipe line (including opening & boxing up of End Connections etc.)

27-Rotation of 14" NB Sch-40 pipe line (including opening & boxing up of End Connections and Pipe Clamp Supports etc.)

28-Replacement of Ash slurry Pump (Including opening & boxing up Suction & Discharge and Seal Water Line Connection, Alignment and "V" Belt adjustment etc.)

29-Replacement of 1/2" NB Air vent valve of Ash Slurry Pump.

30-Replacement of Motor of Ash Slurry Pump

31-Replacement of V-belt of Ash Slurry Pump (includes opening & boxing up of V-Belt Guard and Belt Alignment etc.)

32-Removal & re-fixing of slip plate Ash disposal line out side the Pump house tee in old/new line.

33-Replacement of gasket of 12" dia Ash disposal line.

34-Erection of 12" NB CI pipe of Ash disposal line in local Pond (including pipe shifting)

Annexure-XXII

A-JOB PERTAINS TO CPP(MECH), BTM SECTION

COAL FEEDER (BELT) IN CPP :

1-Removal, Overhauling and Refixing of Main Cooling Water Pump (Vertical) in CPP, which shall incude removal/refixing of Motor, replacement of worn out/damaged parts of pump, Serving of journal & Thrust Bearings, alignment and assistance in balancing, if required.

B-Jobs pertains to Cooling Tower

1-Opening & boxing up of sump striner of cooling towers for inspection

C-Jobs Pertains to Sulphur Bentonite plant

1-BF-02 filter replacement of size 200NB

2-Replacement of Gear Pumps

3-Overhauling of Gear Pumps

D Jobs Pertaining to GTG-HRSG Plant

1- NG filter element replacement of size 12”, 300#

2- GTG Air Intake Filter Replacement.

Annexure-XXIII

Various Plant Jobs:

To assist NFL Employee in executing various Mechanical Maintenance Jobs in routine day to day maintenance in general shift & Plant shift.

A-Ammonia Plant

1-Reformer Area AFC Plant

2-CO Area AFC Plant

3-Compressor House, ARU, Synthesis Section, ASU NWU & Argon Plant

4-Ammonia Plant rotating shift

B-Off Sites & Utilities:

1-DM Plant, Cooling Towers, Air Compressor

2-Effluent Treatment Plant, Methanol Storage Area

3-Raw Water Plant and final Pond

4-Sulphur Bentonite plant

1-Captive Power Plant

2-Steam Generation Plant

3-Material Handling Plant

D-Urea Plant

1-Compressor House, Ammonia Feed Pump, R & D Section

2-Centrifuge House, Cristalyser Section Priling Tower, Melter, Distributors, CFD etc.

3-Conveyors, Stitching Machines, Stitching Station etc.

Annexure-XXIV

New Ammonia plant jobs

1-Process air compressor suction filters (cylindrical type) Replacement

2-MDEA filter A 301 replacement

3-XP 301 strainer opening/ box-up

4-P 301 pump strainer opening/box-up

5-A 302 MDEA Mechanical filter replacement

6-Nitrogen blower suction strainer opening/box-up

7-IAD filter replacement

Annexure-XXV

Opening/box-up and tube plugging/welding job of exchanger

1-Synthesis economizer EA 601 AB opening/box-up and tube plugging/welding job

2-EA 603 opening/box-up and tube plugging/welding job

United Engineering Enterprises Pvt Ltd

ANSAR ERECTORS

M/s NEW CALCUTTA ENGG. CO.,