Balance work of Civil Package Earth work, PCC, RCC Raft Foundation Civil Package for Superstructure including RCC Shell, Platforms, Painting

NO. RATE

UNIT Quantity (excluding Amount

PART 1A Civil Works GST)

Providing and laying design mix cement concrete with

graded aggregate (maximum size of coarse aggregate not

exceeding 20 mm) for reinforced concrete work at all levels

for all kinds of work, including labour, materials,

equipment, handling, transporting, batching, mixing, placing,

levelling, compacting, curing, testing etc. and rendering or

cleaning and finishing the exposed surface with cement mortar

(1:3) to give smooth and even surface, all complete as per

specifications, drawings and instructions of the Engineer, but

excluding all formwork and reinforcing steel: [Cement will be

issued by BHEL Free of cost]

ii For all other works

a Grade M-25 grade level slab, pit, trenches,drain etc. cum 72.00 0.00

Grade M-35 for chimney shell, corbels and external platforms and

other shell attachments.

Grade M-30 for all other components of the super structure, roof

slab, mini -shells, beams, columns wall etc.

Providing and placing steel reinforcements of TMT steel of

grade Fe-500 /Fe 500D confirming to IS:1786 and having

minimum elongation 14.5% , for reinforced concrete work, at

all levels, for all kinds of work, including transportation,

cleaning, derusting, straightening, cutting, bending, binding in

16 position with annealed wire and/or welding, providing concrete

cover blocks, pins, separators, chairs, supports for reinforcement,

etc. with all materials, labour, equipment, handling, testing,

transportation to & from stores etc., preparation of bar bending

schedules, all complete as per specifications, drawings and

instructions of the Engineer.

i For all works below ground level (except chimney shell)

ii For all other works

Mild steel reinforcement bars [Mild steel reinforcement procurement in

vendors scope]

High strength deformed bars [Reinforcement bars will be issued by

BHEL Free of cost]

Providing and fixing formwork of approved quality for cast-

in-situ, plain or reinforced concrete works of any type and section

(including curved surfaces and chimney shell) for all elevations,

17 including labour, materials, equipment, waste of forms, shoring,

strutting, scaffolding, staging, tieing, nailing, caulking, bolting etc.

and removal of form work and staging etc. all complete as per

specifications, drawings and instructions of the Engineer.

ii For all other works

Inner and outer faces of wind shield with slip form shuttering

All other components of the superstructure including slabs,

b beams, columns, walls, enclosures, mini shells, external platforms, Sqm 450.00 0.00

corbels, other shell attachments, chases/recesses in shell etc.

Providing and fixing formwork in shell openings and pockets

(above 0.1 sq.m surface area) including cutting, formation of

18 shapes and all other operations required for making the required Sqm 11.21 0.00

shape and size, removal of formwork, all complete as per

specifications, drawings and instructions of the Engineer.

Providing and placing in position at all levels, building paper (kraf t

19 paper), as per IS:1397, between concrete surfaces incluing the cost Sqm 70.00 0.00

of labour, material, etc. complete as per drawings and instruction of

the Engineer.

Providing and installing, at all levels, bitumen impregnated

fibre boards, 12 mm thick, conforming to IS:1838, as joint

filler at joints in concrete, including nailing, coating of both faces

20 with coal tar pitch/bitumen, including the cost of all labour, Sqm 32.00 0.00

material and equipments etc., complete as per drawings,

specifications and instructions of the Engineer.

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Providing and filling, at all levels, bitumen sealing compound (hot

applied type) conforming to IS:1834, for sealing gaps and joints

in concrete, including cleaning, mixing, heating, pouring or

21 injecting, appllication of primer, cost of all labour, material and Kg 475.00 0.00

equipments etc., complete as per drawings, specifications and

instructions of the Engineer.

Supplying and installing ready mix castable refractory concrete a t

opening of chimney shell baffle wall and at other locations including

42 all necessary arrangement for keeping them in position as per Cum 5.00 0.00

drawings and approval of Engineer.

Providing and painting, at all levels, inside surface of chimney

shell, inside and outside surfaces of minishells, underside of roof

slab and other concrete components/surfaces of the chimney as

indicated in the drawings and wherever as directed by the

Engineer, with acid and heat resisting black bituminous pain t

50 (conforming to type I(i) of IS:158) in as many number of coats Sqm 500.00 0.00

(not less than four coats in any case) as required to give a paint DFT

of not less than 150 microns including the cost of all labour,

materials, equipment, surface preparation, primer and finish

painting, protecting, cleaning etc. complete as per drawings and

specifications.

Providing and painting, at all levels, inside surface of chimney

shell, inside and outside surfaces of minishells, underside of roof

slab and other concrete components/surfaces of the chimney as

indicated in the drawings and wherever as directed by the Engineer,

51 with epoxy phenolic coating system having total 220 Sqm 500.00 0.00

microns DFT including the cost of all labour, materials,

equipment, surface preparation, primer and finish painting,

protecting, cleaning etc. complete as per drawings and specifications.

Providing and painting, at all levels, the external surfaces of chimney

shell and wherever as directed by the Engineer, with aliphatic

acrylate system having total 170 microns DFT including the

cost of all labours, material and & equipment,surface preparation,

primer and finish painting, and consisting of : i) Two component

transparent polyamide cured epoxy sealer coating (having solid by

volume minimum 40% ±2%) of minimum 100 micron DFT to be

applied over cleaned surface in multiple coats. Surface to be coated

shall be absolutely dry, clean and dust free. ii)finish coat of two-pack

55 aliphatic Isocyanate cured acrylic finish paint (solid by volume Sqm 500.00 0.00

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. This coat shall be applied

after an interval of minimum 24 hours and within six (6) months (from

the completion of Intermediate coat), Colour and shade of the coat

shall be as approved by the Employer, protecting, cleaning etc.

complete as per drawings and specification.

Providing and painting, at all levels, the external surfaces of chimney

shell and wherever as directed by the Engineer, with acid and

heat resistant polyurethane paint in alternate bands of colours

56 'signal red' and 'pure/bright white including the cost of all labours, Sqm 10.00 0.00

material and & equipment surface preparation, primer and finish

painting, protecting, cleaning etc. complete as per drawings and

specification.

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Providing and painting, at all levels, the external surfaces of chimney

shell and wherever as directed by the Engineer, with epoxy

phenolic coating having total 220 microns DFT in

alternate bands of ‘signal red’ and ‘bright white’ colours

including the cost of all labours, material and & equipment

surface preparation, primer and finish painting, protecting,

cleaning etc. complete as per drawings and specification.

Concrete surfaces shall be provided with two component transparent

polyamide cured epoxy sealer coating (having solid by volume

minimum 40% ±2%) of minimum 50 micron DFT to be applied

over cleaned surface in multiple coats. Surface to be coated shall be

absolutely dry, clean and dust free. Sealer coat shall be followed

with the application of Intermediate coat of epoxy phenolic

57 coating (solid by volume minimum 63%) of minimum 100 Sqm 10000.00 0.00

micron DFT. This coat shall be applied after an interval of minimum

24 hours (from the application of primer coat) by airless spray

technique. Intermediate coat shall be followed with the application of

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. This coat shall

be applied after an interval of minimum 10 hours 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 and painting, at all levels, the inside surface of chimney

shell above roof, horizontal surface of sheel at top, underside of

concrete roof slab, external surface of minishell above roof and

wherever as directed by the Engineer, with

epoxy phenolic coating having total 220 microns DFT including

the cost of all labours, material and & equipment surface preparation,

primer and finish painting, protecting, cleaning etc. complete as

per drawings and specification. All concrete surfaces shall be provided

with two component transparent polyamide cured epoxy sealer coating

(having solid by volume minimum 40% ±2%) of minimum 50 micron

DFT to be applied over cleaned surface in multiple coats. Surface to be

coated shall be absolutely dry, clean and dust free. Sealer coat shall

58 be followed with the application of Intermediate coat of epoxy phenolic Sqm 400.00 0.00

coating (solid by volume minimum 63%) of minimum 100 micron DFT.

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

the application of primer coat) by airless spray technique.

Intermediate coat shall be followed with the application of 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. This coat shall be applied after

an interval of minimum 10 hours and within six (6) months (from the

completion of Intermediate coat), Colour and shade of the coat shall

be as approved by the Employer.

Proving and laying over the chimney roof, a composite acid

and heat protection treatment including providing of slopes

for roof drainage including the cost of all labour, material and

equipment, etc., complete as required for preparing the roof

concrete, laying under bed of plain cement concrete screed to

slopes, preparation of screed surface for painting, painting the

screed surface with black bituminous paint, applying bitumenmastic

in layers, laying acid resisting(A/R) mortar bed and laying 75 mm

thick acid resisting(A/R) bricks with A/R mortar, curing, pointing(with

phenolic based A/R cement), protection and cleaning, finishing, etc.,

complete as per drawing and specifications.

Providing, fitting&

fixing, outlet and overflow, cast iron roof drain heads (with gra

tings) in chimney roof including sockets, adapters, brackets,

60 hangers, supports, etc., casting-in and jointing to 150 mm nominal Each 8.00 0.00

bore rainwater pipes, grouting, etc. including the cost of all labour

material and equipement, transporting, lifting, setting in place,

painting, etc. complete as per drawing and specifications.

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Providing, fitting and fixing rainwater pipes at all levels internally

from the chimney roof to ground level upto the hood drain basin

including shoes, bends, junctions, flanges,hoppers, sockets,

adaptors, brackets, hangers, supports, anchor fasteners, spacers,

61 pipe sleeve through shell, silicon or vulcanised butyl seaant, foam

backing material, jointing, socketing, grouting, caulking, primer and

finish painting etc. complete including the cost of all labour,

material and equipment, complete as per drawing and specifications:

a 150 mm nominal bore cast iron pipes. Rm 32.00 0.00

150 mm nominal bore medium class galvanised mild steel pipes.

Providing and laying 50 mm thick cement concrete flooring

(comprising of 12 mm thick mettallic concrete hardener topping

over 38 mm thick under bed of concrete) over the grade level slab

inside the chimney, including the cost of all labour, material and

equipment, etc. complete as required for preparation of base,

laying underbed and topping, finishing, rounding of edges, corners

and junctions, curing, testing, etc. complete as per drawing and

specifications.

Providing and installing an electrically operated grill type

steel roll-up door (with the bottom one third of the curtain in

solid type) at chimney base, in opening of approx size of 65 sqare m,

with all hardware and mechanisms, fittings and fixtures, locking

arrangements, frames, fasteners, gear handle arrangement for

standby manual operation, all electrical accessories such as

motors, control systems, cables, etc. including the cost of all

labour, material and equipment, fixing in position, grouting

primer and finish painting, testing, etc., complete as per drawing

and specifications.

Providing and installing at any level and location, mild steel, double

plate, personnel access doors, in shell openings of size 1.1m by

2.15m, complete with all fittings and fixtures, locking arrangements,

64 frames, fasteners including the cost all labour, material and Each 1.00 0.00

equipment, lifting to all heights, setting in place, grouting primer

and finish painting, etc., complete as per drawing and

specifications.

Supply, fabricating and fixing of cleanout door of size

650X825 mm. The door should be solid steel construction with

inner plate 8mm and outer plate 6mm with suitable infill of

stiffners, & filled with insulation mateterial and all other fittings,

fixtures, fasteners including the cost of painting etc complete as per

drawings and specification. The door should be hinged type and

providing with locking device in addition to swivel studs with wing nuts

65 on remaining 3 edges. The should be openable both from inside & Each 1.00 0.00

outside and removable insulation to be provided around door opening.

The door shall be provided with a minimum two coats of acid & alkali

resistant paint confirming to IS158 type-I to give a DFT of

75microns. The outside surface shall be provided with minimum

2 coats of Zinc redoxide primer and two coats of synthetic

enamil paint.

Supplying, fabricating and installing mild steel hatches at

various locations in the chimney system complete with

67 locking arrangements, frames, insulation, fittings and fixtures

and all mechanisms and accessories reqd. for proper operation

including all labour, painting etc. complete as per drawings and

specifications.

a Hood Access Hatch Each 1.00 0.00

Conducting load testing on girders for 1.25 times the full

load, on ground , including provision of test bed and jacks, dial

68 gauges and other supplies complete as per specification and drawings Pair 1.00 0.00

and approval of engineer in-charge.

Providing & grouting of pocket holes, pipe sleeves and under base

plates of structural steel work/ machinery/ pipe supporting

structures including roughening of surface, cleaning, ramming,

70 curing etc. all complete with Conbextra GP-1 or equivalent. (Cost of all Cum 1.00 0.00

material and cleaning of the pockets by compressed air shall be in the

scope of the contractor).

Providing & grouting of pocket holes, pipe sleeves and under base

plate of structural steel work/ machinery/ pipe supporting

structures including roughening of surface, cleaning, ramming,

71 curing etc. all complete with mix 1:1:2 (1 cement : 1 coarse sand : 2 CUM 1.00 0.00

aggregate of 6 mm down graded stonechips ) using non shrink

admixture. (Cost of all material and cleaning the pocket by

compressed air shall be in the scope of the contractor).

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Deployment of Tools & Plants like Poclain, dumper etc. at nearby Coal

Mines ( around 10-15 km distance), liaising with concerned authority /

owner, loading of the coal rejected boulders, transporting to the

work place at North Karanpura site including incidental charges,

if any, laying the boulders at designated location(s) as per instruction

M2 of BHEL engineer, deployment of dozer/poclain for spreading the cum 5000.00 0.00

boulders in required thickness, breaking the boulders in small

sizes to fill up the interstitial voids and compacting with 8-10 Ton

capacity roller so as to provide even finished surface. (Rate to be

quoted excluding taxes. GST, as applicable will be paid extra on

submission of requsite documents)

TOTAL A= 0

BILL OF QUANTITIES (BOQ)

Superstructure including RCC Shell, Platforms, Painting & Other Misc. works for Chimney Unit # 2 for FGD system of

3x660 MW North Karanpura STPP, Jharkhand. - "PACKAGE 2B as per risk and cost of previous agency.

ITEM SL

Description of Item RATE

UNIT QTY (excluding AMOUNT

PART 1A Civil Works GST)

Earth work in excavation in all types of soil including

moorum, ash which can be excavated by any means including

setting out, levelling, dewatering (but excluding special type of

dewatering viz. well point method), shoring & strutting (wherever

required), dressing the sides & bottom, all lifts, ramming/compacting

the excavated bottom, stacking, disposal of surplus excavated

1 materials within a lead upto 1 km, spreading/levelling of

disposed materials etc all complete for following depths below

ground level including necessary men/women, materials,

equipment, loading, transportation, unloading etc as per

specification, drawing and as directed by engineer- in-charge.

[Measurement of excavation shall be paid as per clause 5.2.0 of

Technical Specification, Section D, Sub-Section D1 sheet 20 0f 23]

a Depth from ground level but not exceeding 2 m cum 460.90 0.00

b Depth exceeding 2 m but not exceeding 4 m cum 0.00 0.00

c Depth exceeding 4 m but not exceeding 6 m cum 0.00 0.00

d Depth exceeding 6 m but not exceeding 8 m cum 136.15 0.00

Extra over Item No. 1 for dewatering of ground water by well

point method as per IS 9759.

Earth work in excavation in soft rock (rock without any recovery of

exacavated materials in the form of hard stone/boulder) including

weathered rock which can be excavated by means of crow bar,

pick axe, pneumatic rock breaker attachment with excavator machine

etc but does not require chiselling or blasting including

setting out, levelling, dewatering (wherever required), shoring &

strutting (wherever required), dressing the sides & bottom, all lifts,

ramming/compacting the excavated bottom, stacking, disposal of

surplus excavated materials within a lead upto 1 km, spreading /

levelling of disposed materials etc all complete for following depths

below ground level including necessary men/women,

materials, equipment, loading, transportation, unloading etc as

per specification, drawing and as directed by engineer- in-

charge. [Measurement of excavation shall be paid as per clause

5.2.0 of Technical Specification, Section D, Sub-Section D1 sheet 20

a Depth from ground level but not exceeding 2 m cum 200.00 0.00

b Depth exceeding 2 m but not exceeding 4 m cum 300.00 0.00

c Depth exceeding 4 m but not exceeding 6 m cum 700.00 0.00

d Depth exceeding 6 m but not exceeding 8 m cum 650.00 0.00

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Earth work in excavation in hard rock requiring controlled blasting

including wedging, line drilling, pre shearing etc as required,

setting out, levelling, dewatering (wherever required), shoring &

strutting (wherever required), dressing the sides & bottom, all

lifts, necessary licenses/statuatory clearances for blasting, supply,

storage & handling of blasting materials, stacking/disposal of surplus

5 excavated material within a lead upto 1 km, spreading

/ levelling of disposed materials etc all complete for following

depths below ground level including necessary men/women,

materials, equipment, loading, transportation, unloading etc as per

specification, drawing and as directed by engineer- in-charge.

[Measurement of excavation shall be paid as per clause 5.2.0 of

Technical Specification, Section D, Sub- Section D1 sheet 20 0f 23]

c Depth exceeding 4 m but not exceeding 6 m cum 100.00 0.00

d Depth exceeding 6 m but not exceeding 8 m cum 100.00 0.00

Back filling upto any depth below ground level around foundations,

plinths, trenches, drains etc to proper grade and level in layers not

compulsorily excavated soil available within a lead upto 1 km

and compacted as specified including re-excavation of

stacked earth, watering, ramming/compaction by

manual/mechanical means, dressing etc all complete.for the

following including necessary men/women, materials, equipment,

loading, transportation, unloading etc as per specification,

drawing and as directed by engineer- in-charge. [Measurement

of Backfilling shall be paid as per excavation quantity after

deduction for concrete & other buried items etc.]

Each layer compacted so as to achieve at least 95% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 90% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 85% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 80% relative density

as per IS-2720 part XIV in case of sandy soils.

Back filling upto any depth below ground level around foundations,

plinths, trenches, drains etc to proper grade and level in layers not

exceeding 300 mm thickness using / with

8 specified including watering, ramming/compaction by

manual/mechanical means, dressing etc all complete for the following

including necessary men/women, materials, equipment, loading,

transportation, unloading etc as per specification, drawing and as

directed by engineer- in-charge

Each layer compacted so as to achieve at least 95% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 90% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 85% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 80% relative density

as per IS-2720 part XIV in case of sandy soils.

Extra over item No. 1 and 3 to 7 for carriage of excavated

initial lead of 1 km.

Back filling upto any depth below ground level around foundations,

plinths, trenches, drains etc to proper grade and level in layers not

exceeding 300 mm thickness using/with

approved borrowed soil (borrowed soil to be arranged by the bidder)

and compacted as specified including supplying borrowed soil, royalty

10 (if any), watering, ramming/compaction by manual/mechanical

means, dressing etc all complete for the following including necessary

men/women, materials, equipment, loading, transportation, unloading

etc as per specification, drawing and as directed by engineer- in-

charge. [Measurement of Backfilling shall be paid as per excavation

quantity after deduction for concrete & other buried items etc.]

Each layer compacted so as to achieve at least 95% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 90% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 85% maximum dry

density as per IS-2720 (Part-VII)

Each layer compacted so as to achieve at least 80% relative density

as per IS-2720 part XIV in case of sandy soils.

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Supplying and filling sand upto any depth below grade slab, around

foundations, etc. in layers not exceeding 300 mm thickness and

compacted so as to achieve at least 80% relative density as per

IS-2720 (Part-XIV) including spreading, watering,

11 ramming/compaction by manual / mechanical means, dressing, cum 150.00 0.00

royalty (if any) etc. all complete including necessary men/women,

materials, equipment, loading, transportation, unloading etc

as per specification, drawing and as directed by engineer- in-

charge.

Supplying and laying (inside chimney in the space below the grade

level slab) crushed rock range 63 mm to 45 mm in layers not

exceeding 200 mm in thickness including breaking of stone boulders

compacting to 85 % of original volume of stone stack for all lifts etc.

all complete. Payment shall be made for the measurement of the

volume of the compacted fill.

Providing and laying Nominal Mix plain cement concrete (M 7.5)

with graded aggregate (with maximum size of coarse aggregate not

exceeding 40 mm) at all levels for all kinds of work like mass

concrete, lean concrete, mudmat, filling etc. including

labour, materials, equipment, handling, transporting, batching, curing,

testing etc. all complete as per specifications, drawings and

instructions of the Engineer. [Cement will be issued by BHEL Free

of cost]

Providing and laying design mix cement concrete with graded

aggregate (maximum size of coarse aggregate not exceeding 20

mm) for reinforced concrete work at all levels for all kinds

of work, including labour, materials, equipment, handling,

transporting, batching, mixing, placing, levelling, compacting,

curing, testing etc. and rendering or cleaning and finishing the

exposed surface with cement mortar (1:3) to give smooth and

even surface, all complete as per specifications, drawings and

instructions of the Engineer, but excluding all formwork and

reinforcing steel: [Cement will be issued by BHEL Free of cost]

i For all works below ground level (except chimney shell)

b Grade M-30 (foundations, etc) cum 0.00 0.00

Extra over St. No. 14(i) for controlling of temperature of fresh

concrete for raft/pilecap to less than 23 degree centigrade using

ice, including all related arrangements for providing, storing and

ia cum 3200.00 0.00

mixing of ice with water, cooling of aggregates etc. All

complete as per specification, drawing and instruction of engineer in

charge.

ii For all other works

a Grade M-25 grade level slab, pit, trenches,drain etc. cum 72.00 0.00

Grade M-35 for chimney shell, corbels and external platforms and

other shell attachments.

Grade M-30 for all other components of the super structure, roof

slab, mini -shells, beams, columns wall etc.

Providing and applying two coats of bitumen grade 85/25 as per IS-

702 (@ 1.7kg/sqm) with 1% antistripping compound conforming to

15 IS-6241 in foundation, shell, pedestal etc on Sqm 1020.00 0.00

concrete surfaces exposed to soil / ash including surface preparation

etc. all complete.

Providing and placing steel reinforcements of TMT steel of

grade Fe-500 /Fe 500D confirming to IS:1786 and having

minimum elongation 14.5% , for reinforced concrete work, at all

levels, for all kinds of work, including transportation,

cleaning, derusting, straightening, cutting, bending, binding in

16 position with annealed wire and/or welding, providing concrete

cover blocks, pins, separators, chairs, supports for reinforcement,

etc. with all materials, labour, equipment, handling, testing,

transportation to & from stores etc., preparation of bar bending

schedules, all complete as per specifications, drawings and

instructions of the Engineer.

i For all works below ground level (except chimney shell)

High strength deformed bars [Reinforcement bars will be issued by

BHEL Free of cost]

ii For all other works

Mild steel reinforcement bars [Mild steel reinforcement procurement in

vendors scope]

High strength deformed bars [Reinforcement bars will be issued by

BHEL Free of cost]

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Providing and fixing formwork of approved quality for cast-in-

situ, plain or reinforced concrete works of any type and section

(including curved surfaces and chimney shell) for all elevations,

17 including labour, materials, equipment, waste of forms, shoring,

strutting, scaffolding, staging, tieing, nailing, caulking, bolting etc.

and removal of form work and staging etc. all complete as per

specifications, drawings and instructions of the Engineer.

i For all works below ground level (except chimney shell) Sqm 110.33 0.00

ii For all other works

a Inner and outer faces of wind shield with slip form shuttering Sqm 18850.00 0.00

All other components of the superstructure including slabs,

b beams, columns, walls, enclosures, mini shells, external platforms, Sqm 450.00 0.00

corbels, other shell attachments, chases/recesses in shell etc.

Providing and fixing formwork in shell openings and pockets (above

0.1 sq.m surface area) including cutting, formation of shapes

18 and all other operations required for making the required shape Sqm 120.00 0.00

and size, removal of formwork, all complete as per

specifications, drawings and instructions of the Engineer.

Providing and placing in position at all levels, building paper (kraf t

paper), as per IS:1397, between concrete surfaces incluing the cost of

labour, material, etc. complete as per drawings and instruction of the

Engineer.

Providing and installing, at all levels, bitumen impregnated fibre

boards, 12 mm thick, conforming to IS:1838, as joint filler at

joints in concrete, including nailing, coating of both faces with

coal tar pitch/bitumen, including the cost of all labour, material

and equipments etc., complete as per drawings, specifications and

instructions of the Engineer.

Providing and filling, at all levels, bitumen sealing compound (hot

applied type) conforming to IS:1834, for sealing gaps and joints

in concrete, including cleaning, mixing, heating, pouring or

injecting, appllication of primer, cost of all labour, material and

equipments etc., complete as per drawings, specifications and

instructions of the Engineer.

Supplying and installing ready mix castable refractory concrete a t

opening of chimney shell baffle wall and at other locations including

all necessary arrangement for keeping them in position as per

drawings and approval of Engineer.

Providing and painting, at all levels, inside surface of chimney

shell, inside and outside surfaces of minishells, underside of roof

slab and other concrete components/surfaces of the chimney as

indicated in the drawings and wherever as directed by the

Engineer, with acid and heat resisting black bituminous pain t

50 (conforming to type I(i) of IS:158) in as many number of coats Sqm 500.00 0.00

(not less than four coats in any case) as required to give a paint DFT

of not less than 150 microns including the cost of all labour,

materials, equipment, surface preparation, primer and finish

painting, protecting, cleaning etc. complete as per drawings and

specifications.

Providing and painting, at all levels, inside surface of chimney

shell, inside and outside surfaces of minishells, underside of roof

slab and other concrete components/surfaces of the chimney as

indicated in the drawings and wherever as directed by the Engineer,

with epoxy phenolic coating system having total 220 microns DFT

including the cost of all labour, materials, equipment, surface

preparation, primer and finish painting, protecting, cleaning etc.

complete as per drawings and specifications.

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Providing and painting, at all levels, the external surfaces of chimney

shell and wherever as directed by the Engineer, with aliphatic

acrylate system having total 170 microns DFT including the cost

of all labours, material and & equipment,surface preparation,

primer and finish painting, and consisting of : i) Two component

transparent polyamide cured epoxy sealer coating (having solid by

volume minimum 40% ±2%) of minimum 100 micron DFT to be

applied over cleaned surface in multiple coats. Surface to be coated

shall be absolutely dry, clean and dust free. ii)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. This coat shall be applied

after an interval of minimum 24 hours and within six (6) months (from

the completion of Intermediate coat), Colour and shade of the coat

shall be as approved by the Employer, protecting, cleaning etc.

complete as per drawings and specification.

Providing and painting, at all levels, the external surfaces of chimney

shell and wherever as directed by the Engineer, with acid and

heat resistant polyurethane paint in alternate bands of colours

56 'signal red' and 'pure/bright white including the cost of all labours, Sqm 10.00 0.00

material and & equipment surface preparation, primer and finish

painting, protecting, cleaning etc. complete as per drawings and

specification.

Providing and painting, at all levels, the external surfaces of chimney

shell and wherever as directed by the Engineer, with epoxy phenolic

coating having total 220 microns DFT in

alternate bands of ‘signal red’ and ‘bright white’ colours including the

cost of all labours, material and & equipment surface

preparation, primer and finish painting, protecting, cleaning

etc. complete as per drawings and specification. Concrete

surfaces shall be provided with two component transparent

polyamide cured epoxy sealer coating (having solid by volume

minimum 40% ±2%) of minimum 50 micron DFT to be applied

over cleaned surface in multiple coats. Surface to be coated shall be

absolutely dry, clean and dust free. Sealer coat shall be followed

57 with the application of Intermediate coat of epoxy phenolic Sqm 10000.00 0.00

coating (solid by volume minimum 63%) of minimum 100

micron DFT. This coat shall be applied after an interval of minimum

24 hours (from the application of primer coat) by airless spray

technique. Intermediate coat shall be followed with the application of

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. This coat shall

be applied after an interval of minimum 10 hours 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 and painting, at all levels, the inside surface of chimney

shell above roof, horizontal surface of sheel at top, underside of

concrete roof slab, external surface of minishell above roof and

wherever as directed by the Engineer, with

epoxy phenolic coating having total 220 microns DFT including the

cost of all labours, material and & equipment surface preparation,

primer and finish painting, protecting, cleaning etc. complete as

per drawings and specification. All concrete surfaces shall be provided

with two component transparent polyamide cured epoxy sealer coating

(having solid by volume minimum 40% ±2%) of minimum 50 micron

DFT to be applied over cleaned surface in multiple coats. Surface to be

coated shall be absolutely dry, clean and dust free. Sealer coat shall

58 be followed with the application of Intermediate coat of epoxy phenolic Sqm 400.00 0.00

coating (solid by volume minimum 63%) of minimum 100 micron DFT.

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

the application of primer coat) by airless spray technique.

Intermediate coat shall be followed with the application of 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. This coat shall be applied after

an interval of minimum 10 hours and within six (6) months (from the

completion of Intermediate coat), Colour and shade of the coat shall

be as approved by the Employer.

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Proving and laying over the chimney roof, a composite acid

and heat protection treatment including providing of slopes for

roof drainage including the cost of all labour, material and

equipment, etc., complete as required for preparing the roof

concrete, laying under bed of plain cement concrete screed to

59 slopes, preparation of screed surface for painting, painting the Sqm 200.00 0.00

screed surface with black bituminous paint, applying bitumenmastic

in layers, laying acid resisting(A/R) mortar bed and laying 75 mm

thick acid resisting(A/R) bricks with A/R mortar, curing, pointing(with

phenolic based A/R cement), protection and cleaning, finishing, etc.,

complete as per drawing and specifications.

Providing, fitting&

fixing, outlet and overflow, cast iron roof drain heads (with gratings) in

chimney roof including sockets, adapters, brackets, hangers,

60 supports, etc., casting-in and jointing to 150 mm nominal bore Each 8.00 0.00

rainwater pipes, grouting, etc. including the cost of all labour material

and equipement, transporting, lifting, setting in place, painting, etc.

complete as per drawing and specifications.

Providing, fitting and fixing rainwater pipes at all levels internally

from the chimney roof to ground level upto the hood drain basin

including shoes, bends, junctions, flanges,hoppers, sockets,

adaptors, brackets, hangers, supports, anchor fasteners, spacers,

pipe sleeve through shell, silicon or vulcanised butyl seaant, foam

backing material, jointing, socketing, grouting, caulking, primer and

finish painting etc. complete including the cost of all labour,

material and equipment, complete as per drawing and specifications:

a 150 mm nominal bore cast iron pipes. Rm 32.00 0.00

b 150 mm nominal bore medium class galvanised mild steel pipes. Rm 300.00 0.00

Providing and laying 50 mm thick cement concrete flooring

(comprising of 12 mm thick mettallic concrete hardener topping

over 38 mm thick under bed of concrete) over the grade level slab

inside the chimney, including the cost of all labour, material and

equipment, etc. complete as required for preparation of base,

laying underbed and topping, finishing, rounding of edges, corners

and junctions, curing, testing, etc. complete as per drawing and

specifications.

Providing and installing an electrically operated grill type stee l

roll-up door (with the bottom one third of the curtain in solid type)

at chimney base, in opening of approx size of 65 sqare m, with all

hardware and mechanisms, fittings and fixtures, locking

arrangements, frames, fasteners, gear handle arrangement for

standby manual operation, all electrical accessories such as

motors, control systems, cables, etc. including the cost of all

labour, material and equipment, fixing in position, grouting

primer and finish painting, testing, etc., complete as per drawing

and specifications.

Providing and installing at any level and location, mild steel, double

plate, personnel access doors, in shell openings of size 1.1m by

2.15m, complete with all fittings and fixtures, locking arrangements,

64 frames, fasteners including the cost all labour, material and Each 1.00 0.00

equipment, lifting to all heights, setting in place, grouting primer

and finish painting, etc., complete as per drawing and

specifications.

Supply, fabricating and fixing of cleanout door of size 650X825

mm. The door should be solid steel construction with inner plate

8mm and outer plate 6mm with suitable infill of stiffners, & filled

with insulation mateterial and all other fittings, fixtures, fasteners

including the cost of painting etc complete as per drawings and

specification. The door should be hinged type and providing with

65 locking device in addition to swivel studs with wing nuts on remaining Each 1.00 0.00

3 edges. The should be openable both from inside & outside and

removable insulation to be provided around door opening. The door

shall be provided with a minimum two coats of acid & alkali resistant

paint confirming to IS158 type-I to give a DFT of 75microns.

The outside surface shall be provided with minimum 2 coats of

Zinc redoxide primer and two coats of synthetic enamil paint.

Supplying, fabricating and installing mild steel hatches at

various locations in the chimney system complete with

locking arrangements, frames, insulation, fittings and fixtures

and all mechanisms and accessories reqd. for proper operation

including all labour, painting etc. complete as per drawings and

specifications.

a Hood Access Hatch Each 1.00 0.00

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST

Conducting load testing on girders for 1.25 times the full load,

on ground , including provision of test bed and jacks, dial gauges

and other supplies complete as per specification and drawings and

approval of engineer in-charge.

Providing & grouting of pocket holes, pipe sleeves and under base

plates of structural steel work/ machinery/ pipe supporting

structures including roughening of surface, cleaning, ramming,

curing etc. all complete with Conbextra GP-1 or equivalent. (Cost of all

material and cleaning of the pockets by compressed air shall be in the

scope of the contractor).

Providing & grouting of pocket holes, pipe sleeves and under base

plate of structural steel work/ machinery/ pipe supporting

structures including roughening of surface, cleaning, ramming,

71 curing etc. all complete with mix 1:1:2 (1 cement : 1 coarse sand : 2 CUM 1.00 0.00

aggregate of 6 mm down graded stonechips ) using non shrink

admixture. (Cost of all material and cleaning the pocket by

compressed air shall be in the scope of the contractor).

TOTALB = 0.00

Total Amount (A+B)- 0.00

Total Amount (A+B)- 0.00

Digitally signed by PRIYA

KUMARI

Date: 2023.10.20 18:09:09 IST