Structural Package -Detailed Engineering, Fabrication Shop Fabrication, Supply, Erection, Testing and Commissioning of Structural Steel Items

materials, cutting to shape, grinding, drilling etc., complete as per drawings and

specifications.

Providing, laying and packing, at all levels, asbestos ropes at expansion joints

including the cost of all labour material, etc. complete as per drawing and specifications.

b 12 mm (diameter) at expansion joints between linig segments. Rm 320.00 320.00 640.00 263.00 168320.00

Providing and installing, at all levels, resin bonded rock wool insulation slabs of

density not less than 100 kg/cu.m with an installed thickness of not less than 100

mm, on the outside surface of steel flue liners,on the outside surface of brick

liner, on the inside surface of concrete windshield, inside surface of concrete

minishells, under the cast iron caps and wherever as directed by the Engineer, in

47 two layers (each 50 mm thick) including the cost of all labour, material and equipment, Sqm 300.00 300.00 600.00 699.00 419400.00

transporting, lifting to all heights, etc., inclusive of plated or galvanised accessories

such as pins/studs/anchors/wire netting, speed washers, tying wires, etc.

welding of pins/studs to steel surfaces or embedding of pins/studs/anchors in

concrete surfaces, fixing, cutting, cutting, lapping, binding, testing, etc. complete

as per drawings and specifications.

Providing and packing, at all levels, loose rock wool insulation to a density not less

than 100 kg/cu.m between the insulated minishells and brick liners at

49 expanjoints between the lining segments and wherever as directed by the Cum 10.00 10.00 20.00 8000.00 160000.00

Engneer including the cost of all labour, material and equipment, filling,

ramming, testing, etc. complete as per drawings and specifications.

Designing, supplying, fabricating and installing after approval by the

Engineer, non- metalic expansion joints to seal gaps between chimney

components and to meet the service requirements of wet stack and as given in

the specifications alongwith the cost of all components of the expansion joint,

69 insulation, galvanised bolts, nuts, washers, anchor fasteners and retaining bars,

packing materials and reinforcements at the connecting ends and flanges, lapping etc.

including cost of all labour and equipment, user hand books (giving details of

installation, dismantling and maintenance procedures for the expansion joints) etc.

complete as per drawings and specifications for:

a Expansion joint between ducts and liners. Sqm 50.00 50.00 100.00 12600.00 1260000.00

b Expansion joint between duct and chimney shell. Sqm 50.00 50.00 100.00 18375.00 1837500.00

Fabricating and erecting FRP Pipes (Material as per Sl No. S73 of SCH-4 SUPPLY) with

all bends, flanges, stiffeners, all other flue attachments, including support

system, collars, connection with C276 pipes and any other accessories as required

73 outside chimney flue liner at all elevation based on the approved design in line Kg 488.00 488.00 976.00 443.00 432368.00

with gas-flow-model study report, including surface finishing, sealing, lamination,

moulding, testing, guarantee / warranty etc. complete as per drawings,

specification, manufacturer's recommendations and relevant codes.

Erection and Alignment of miscellaneous steel parts to be embedded/cast in concrete (like

staircase embedments, corbel face plates, etc) at all positions and levels including the cost of

all labour, materials and equipments for setting materials in concrete, grouting, welding, bolts

& bolting, expansion anchors, drilling, cutting, etc. complete as per drawings and

specification.[Material supply including structural steel parts is in scope of contractor]

(FABRICATION AND ERECTION)

Erection and Alignment of high strength structural steel (E350 ) in built up section conforming to

IS:2062, in columns, beams, struts, monorails, stays, safety chains, ladders, gantry girders,

roof trusses, portals, laced purlins, space frames, hangers, wall beams, sheeting runners,

brackets, stiffeners, stub columns, bracings, cleats, base plates, splice plates,gussets, end

plates, steel frame grid over false ceiling, walkway platforms, ladders, stairs,stringers, treads,

landings, decking and seal plates, galleries etc including blast cleaning, providing & applying

primer,providing and applying intermediate, final and final finish coat of paint (blast cleaning,primer

and paint shall be paid separately as per item no C23, D23 & E23),connection design &

preparation of fabrication drgs, straightening, cutting, bending, rolling, grinding, machining,

drilling, welding, electrodes and other consumables, alignment, erection bolts & nuts (weight of

A23 erection bolts, nuts and welds not payable), assembly, edge preparation, preheating (However,

permanent bolts are payable separately), assembly, edge preparation, preheating (min preheat and

interpass temperature of 120-140o C for welding over 20 mm thickness & use of low

hydrogen/ radiogenic electrodes), post heating, testing of welders, inspection of welds, visual

inspection, non destructive and special testing, rectification and correction of defective welding

works, production test plate, inspection and testing, erection scheme, protection against

damage in transit, stability of structures, installation of temporary structures, setting column bases,

surface preparation by means of manual or mechanical power tools as per IS:1477 part 1,

touch-up painting, rectification, dismantling and removal of all temporary structures (weight of

temporary structures not payable), etc all complete. Including appointment of a seperate

agency, approved by BHEL, for review and approval of fabrication drgs, in consultation with BHEL.

For shop fabricated structural steel (Supply of structural steel in vendor scope)

a Payment terms on : (a) Supply of fabricated material - 65 % (b) Erection - 25% (c) Alignment - 10% MT 44.00 44.00 88.00 27300.00 2402400.00

For site fabricated structural steel(Structural steel shall be issued by BHEL free of cost)

b Payment terms on : (a) Fabrication - 65 % (b) Erection - 25% (c) Alignment - 10% MT 11.00 11.00 22.00 9922.50 218295.00

FABRICATION AND ERECTION

Digitally signed by PRIYA

Erection and Alignment of structural steel of grade E 250 in rolled/ built up section conforming to

IS:2062, mild steel rounds in columns, beams, struts, monorails, stays, safety chains, ladders, MS

gratings, gantry girders, roof trusses, portals, laced purlins, space frames, hangers, wall beams,

sheeting runners, brackets, stiffeners, stub columns, bracings, cleats, base plates, splice

plates,gussets, end plates, steel frame grid over false ceiling, walkway platforms, ladders,

stairs,stringers, treads, landings, decking and seal plates, galleries etc including blast

cleaning, providing & applying primer,providing and applying intermediate, final and final finish coat

of paint (blast cleaning,primer and paint shall be paid separately as per item no C23, D23 & E23),

connection design & preparation of fabrication drgs, straightening, cutting, bending, rolling, grinding,

B23 machining, drilling, welding, electrodes and other consumables, alignment, erection bolts & nuts

(weight of erection bolts and nuts not payable), assembly, edge preparation, preheating / post

heating if required, testing of welders, inspection of welds, visual inspection, non

destructive and special testing, rectification and correction of defective welding works,

production test plate, inspection and testing, erection scheme, protection against damage in

transit, stability of structures, installation of temporary structures, setting column bases, surface

preparation by means of manual or mechanical power tools as per IS:1477 part 1, touch-up

painting, rectification, dismantling and removal of all temporary structures (weight of temporary

structures not payable), etc all complete. Including appointment of a seperate agency, approved by

BHEL, for review and approval of fabrication drgs, in consultation with BHEL.

For shop fabricated structural steel(Supply of structural steel in vendor scope)

a Payment terms on : (a) Supply of fabricated material - 65 % (b) Erection - 25% (c) Alignment - 10% MT 132.00 132.00 264.00 27300.00 7207200.00

For site fabricated structural steel(Structural steel shall be issued by BHEL free of cost)

b Payment terms on : (a) Fabrication - 65 % (b) Erection - 25% (c) Alignment - 10% MT 33.00 33.00 66.00 9922.50 654885.00

FABRICATION AND ERECTION

Erection and Alignment at all levels, structural steel flues (liners) complete with all bends,

flanges, stiffeners, all other flue attachments, support system, collars, access manholes and gas

sampling ports alongwith gaskets and other accessories, staying system, including the cost of all

labour, material and equipment, transporting, lifting to all heights, setting in place, cutting, grinding,

26 drillings, bending, bolts and bolting, welding, preheating and post-heating for welding, testing, etc. MT 360.00 360.00 720.00 12855.15 9255708.00

complete as per drawings and specifications. [Structural steel shall be issued by BHEL free of cost] .

The Flue can to be transported inside the concrete shell horizontally during erection

activity . All necessary arrangement for horizontal movement of flue liner shall be in the

scope of contractor .

Fabrication & Erection of Tilting Platform including cost of materials, the cost of all labour,

material and equipment, transporting, lifting to all heights, setting in place, cutting, grinding, drillings,

bending, bolts and bolting, welding, preheating and post-heating for welding, testing, etc. complete as

per drawings and specifications. (Remarks Tilting Platform is required for Flue Can to be

transported inside the concrete shell horizontally during erection activity. All necessary

arrangement for horizontal movement of flue liner shall be in the scope of contractor.)

Supply & application including blast cleaning of outer surface of Tilting Platform to near white

metal surface conforming to Sa 2 ½ finish of ISO 8501-1 with surface profile 40-60 Micron and

providing and applying two component moisture curing zinc (ethyl) silicate primer coat

(having minimum 80% of metallic Zinc content in dry film, solid by volume minimum

26-TP (a) 60%±2%) of minimum 70 micron DFT including the cost of all labour, material, equipments, MT 15.00 15.00 30.00 8156.00 244680.00

protection of surface and cleaning, scoffolding, touch-up painting etc., complete as per

drawings, specifications and instructions of the Engineer. Zinc dust composition and

properties shall be Type-II as perASTM D520-00. Primer coat shall be applied in Shop

immediately after blast cleaning by airless spray technique.

Providing and applying on outer surface of Tilting Platform, Finish coat of two-pack aliphatic

Isocyanate cured acrylic finish paint (solid by volume minimum 55% ±2%) with Gloss

retention (SSPC Paint Spec No 36, ASTM D 4587, D 2244, D 523) of Level 2 (after minimum 1000

hours exposure, Gloss loss less than 30 and colour change less than 2.0 ∆E) and minimum

26-TP (b) 70 micron DFT over steel sections already having intermediate coats, including the cost of all labour, MT 15.00 15.00 30.00 3556.00 106680.00

material, equipments, protection and cleaning, scoffolding etc. all complete as per drawing and

specifications. This coat shall be applied after an interval of minimum 24 hours (from the application of

sealer coat) and within six (6) months (from the completion of Intermediate coat). Colour and shade of

the coat shall be as approved by the Employer.

Providing, fabricating and installing at various locations and elevations of the chimney system the

following miscellaneous mild steel items complete with the cost of all labour, material and

27 equipment, transporting, lifting, setting in place, cutting, grinding, drilling, welding, bolts and

bolting, anchor fasteners and anchoring, priming, painting, grouting etc. complete as per drawings

and specifications:

Mild steel ladders with cage, hood access hatch, louvers, bird screens, hood drain basin

covers and other miscellaneous mild steel items not specifically mentioned.

32 / 40 mm nominal bore medium class tubular hand railing for stair case and internal and

external platforms.

Providing minimum 275 gsm Hot dipped galvanisation on mild steel parts as per

Providing minimum 610 gsm Hot dipped galvanisation on mild steel parts as per

Name Of Work:- Shop/Factory Fabrication of Structural Steel including painting work as per BOQ/approved drawings and Transportation of

finished fabricated materials at NTPC Project, Tandwa Jharkhand (Supply of raw structural steel as per Technical Specifications in vendor

scope) for 1 nos. of 150-meter-high reinforced concrete single steel flue chimney Unit # 2 & 3 of FGD system at 3 x 660 MW North Karanpura

STPP, Jharkhand”

ITEM SL Quantity Quantity Total Rate (excluding GST) Amount

Description of Item Unit

NO. (Unit 1) (Unit 2) Quantity

Supply and Fabrication of structural steel of grade E 250 in rolled/ built up section

conforming to IS:2062, mild steel rounds in columns, beams, struts, monorails, stays,

safety chains, ladders, MS gratings, gantry girders, roof trusses, portals, laced

purlins, space frames, hangers, wall beams, sheeting runners, brackets, stiffeners, stub

columns, bracings, cleats, base plates, splice plates,gussets, end plates, steel

frame grid over false ceiling, walkway platforms, ladders, stairs,stringers, treads,

landings, decking and seal plates, galleries etc including blast cleaning,

providing & applying primer,providing and applying intermediate, final and final finish

coat of paint (blast cleaning,primer and paint shall be paid separately as per item no

C23, D23 & E23), connection design & preparation of fabrication drgs, straightening,

cutting, bending, rolling, grinding, machining, drilling, welding, electrodes and other

B23 consumables, alignment, erection bolts & nuts (weight of erection bolts and nuts not

payable), assembly, edge preparation, preheating / post heating if required,

testing of welders, inspection of welds, visual inspection, non destructive

and special testing, rectification and correction of defective welding works,

production test plate, inspection and testing, erection scheme, protection against

damage in transit, stability of structures, installation of temporary structures,

setting column bases, surface preparation by means of manual or mechanical

power tools as per IS:1477 part 1, touch-up painting, rectification, dismantling

and removal of all temporary structures (weight of temporary structures not

payable), etc all complete. Including appointment of a seperate agency, approved by

NBCC/BHEL, for review and approval of fabrication drgs, in consultation with

a For shop fabricated structural steel(Supply of structural steel in vendor scope) MT 0.00 132.00 132.00 50700.00 6692400.00

Extra over SL NO. A23 & B23 for blast cleaning of steel structures to near white metal

surface conforming to Sa 2 ½ finish of ISO 8501-1 with surface profile 40-60

Micron and providing and applying two component moisture curing zinc (ethyl)

silicate primer coat (having minimum 80% of metallic Zinc content in dry film,

solid by volume minimum 60% ±2%) of minimum 70 micron DFT including the

cost of all labour, material, equipments, protection of surface and cleaning,

scoffolding, touch-up painting etc., complete as per drawings, specifications

and instructions of the Engineer. Zinc dust composition and properties shall be Type-II

as perASTM D520-00. Primer coat shall be applied in Shop immediately after blast

cleaning by airless spray technique.

Digitally signed by PRIYA

Extra over SL NO. A23 & B23 for providing and applying (by airless spray

technique) intermediate coat of two component polyamide cured epoxy with

MIO Content (containing lamellar MIO minimum 30% on pigment, solid by volume

D23 minimum 80% ±2%) of minimum 100 micron DFT after an interval of minimum MT 0.00 176.00 176.00 1200.00 211200.00

24 hours (from the application of primer coat) and of approved make including

the cost of all labour, material, equipments, protection and cleaning, scoffolding, touch-

up painting etc. all complete as per drawing and specifications.

Extra over SL NO. A23 & B23 for providing and applying Finish coat of two-pack

aliphatic Isocyanate cured acrylic finish paint (solid by volume minimum 55%

±2%) with Gloss retention (SSPC Paint Spec No 36, ASTM D 4587, D 2244, D 523) of

Level 2 (after minimum 1000 hours exposure, Gloss loss less than 30 and colour

change less than 2.0 ∆E) and minimum 70 micron DFT over steel sections already

having intermediate coats, including the cost of all labour, material, equipments,

protection and cleaning, scoffolding etc. all complete as per drawing and specifications.

This coat shall be applied after an interval of minimum 24 hours (from the application of

sealer coat) and within six (6) months (from the completion of Intermediate coat).

Colour and shade of the coat shall be as approved by the NBCC/BHEL.

TOTAL (C)- Rs8,030,000.00

Name Of Work:- Painting work of steel flue liner Unit-1

ITEM SL Quantity Quantity Total Rate (excluding GST) Amount

Description of Item Unit

NO. (Unit 1) (Unit 2) Quantity

Providing and applying on outer surface of steel flue liner, Finish coat of two-pack aliphatic

Isocyanate cured acrylic finish paint (solid by volume minimum 55% ±2%) with Gloss

retention (SSPC Paint Spec No 36, ASTM D 4587, D 2244, D 523) of Level 2 (after minimum 1000

hours exposure, Gloss loss less than 30 and colour change less than 2.0 ∆E) and minimum

26 (iii) 70 micron DFT over steel sections already having intermediate coats, including the cost of all labour, SqM 2800.00 0.00 2800.00 120.00 336000.00

material, equipments, protection and cleaning, scoffolding etc. all complete as per drawing and

specifications. This coat shall be applied after an interval of minimum 24 hours (from the application of

sealer coat) and within six (6) months (from the completion of Intermediate coat). Colour and shade of

the coat shall be as approved by the Employer.

Application of suitable epoxy primer including grit/shot blasting of inner flue surface( Sa 2 ½

finish) , to fully cover the substrate material over all heights of chimney including cost of

labour, material, tools & tackles etc. all complete as per drawings, specification,

manufacturer's recommendation and engineer in charge. (Epoxy Primer shall be supplied by BHEL

free of cost. Onsite supervision of borosilicate glass block lining work shall be provided by BHEL Free

of Cost through the Borosilicate Glass Block Lining System supplier.)

TOTAL (D)- Rs1,456,000.00

TOTAL (A+B+C+D)- Rs109,650,727.00

Digitally signed by PRIYA