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Civil Works

Providing galvalume sheet roofing work for Guest House building at Kodihalli campus NAL, Bengaluru

Council Of Scientific And Industrial Research

CSIR - NATIONAL AEROSPACE LABORATORIES | Bengaluru Urban, Karnataka

Amount: ₹27.2 LCloses: 25 May 2026Closed

Timeline

Published15 May 2026
Closed25 May 2026
Technical Evaluation14 Jul 2026
Awarded8 Sept 2026

Bids

Item Rate

3 Bids8 Sept 2026

#	Company	Amount	Rank	Status
1	V SIVA KUMAR L1₹21.0 LAccepted-AOC	₹21.0 L	L1	Accepted-AOC L1
2	CHARAN RAJ L L2₹23.8 L+₹2.9 L (13.7%)Rejected-AOC	₹23.8 L+₹2.9 L (13.7%)	L2	Rejected-AOC L2
3	AMRUTHGOUDA PATUL Rejected-Technical	-	-	Rejected-Technical EMD, Tender Fees, Similar works completion certificate and Letter of Acceptance not submitted

BoQ Comparative

Line Items (9)

Sl No	Description	Qty	Unit	V SIVA KUMAR L1	CHARAN RAJ L L2
1.00STEEL WORK
1.10	Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Note: (Scope inclusive of structural design and drawings for the specified area)	769	Kg	130 ₹99,970 Lowest	175 ₹1,34,575
1.20	Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes . Note: (Scope inclusive of structural design and drawings for the specified area)	6,815	Kg	170 ₹11,58,550 Lowest	190 ₹12,94,850
2.00ROOFING
2.10	Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.	665	Sqm	720 ₹4,78,800 Lowest	820 ₹5,45,300
2.20	Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Flashings/ Aprons.( Upto 600 mm)	45	Metre	650 ₹29,250 Lowest	750 ₹33,750
2.30	Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Gutter (600 mm over all girth)	45	Metre	650 ₹29,250 Lowest	750 ₹33,750
3.00FINISHING
3.10	Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture	388	Sqm	100 ₹38,800 Lowest	120 ₹46,560
4.00DISMANTLING AND DEMOLISHING

Tender Value

₹27.2 L

EMD Value

₹54,400

Closing Date

25 May 2026, 3:00 pmClosed

Tender Inviting Organisation

Name

THE DIRECTOR

Address

CSIR - NAL, KODIHALLI, BENGALURU

Work Description

Providing galvalume sheet roofing work for Guest House building at Kodihalli campus NAL, Bengaluru

Tender Information

Tender ID

2026_CSIR_277588_1

Reference Number

NAL/05/EBU-KH/2026-27

Tender Type

Open Tender

Product Category

Civil Works

Form of Contract

Item Rate

Period of Work

120 days

Location

CSIR - NATIONAL AEROSPACE LABORATORIES

Source Website

Subscribe to view

Eligibility / Pre-Qualification

Please refer tender documents

Documents Required

10 documents required · 10 mandatory

Fee/PreQual/Technical

RequiredSCAN COPY OF LETTER OF TRANSMISSION / NEFT / RTGS AS TENDER FEE (.pdf)

RequiredSCAN COPY OF LETTER OF TRANSMISSION / NEFT / RTGS AS EMD (.pdf)

RequiredSCAN COPY OF ENLISTMENT AS A CIVIL CONTRACTOR / KPWD REGISTRATION CERTIFICATE (.pdf)

RequiredSCAN COPY OF SIMILAR COMPLETION CERTIFICATE (.pdf)

RequiredSCAN COPY OF GST REGISTRATION CERTIFICATE (.pdf)

RequiredSCAN COPY OF PAN (.pdf)

RequiredSCAN COPY OF LETTER OF ACCEPTANCE (.pdf)

RequiredSCAN COPY OF LETTER OF UNDERTAKING (.pdf)

RequiredSCAN COPY OF BANK MANDATE TO BE FILLED BY THE CONTRACTOR / VENDOR (.pdf)

Finance

RequiredBOQ (.xls)

Fee & Financial Details

Tender Fee Amount

₹500

Tender Fee Payable To

DIRECTOR, CSIR-NAL, BENGALURU

EMD Fee Amount

₹54,400

Important Dates

Last Activity

8 Sept 2026

Published

15 May 2026

Bid Opening

26 May 2026

Download Starts

15 May 2026

Download Ends

25 May 2026

Submission Starts

15 May 2026

Bill of Quantities

Item RateBoQ_Ver3.1INR

BoQ1 (9 items)

Sl No	Description	Qty	Unit	Est. Rate	Est. Amount
1STEEL WORK
1.1	Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Note: (Scope inclusive of structural design and drawings for the specified area)	769	Kg	133.7	₹1,02,815.3
1.2	Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes . Note: (Scope inclusive of structural design and drawings for the specified area)	6,815	Kg	194.4	₹13,24,836
2ROOFING
2.1	Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.	665	Sqm	738.65	₹4,91,202.25
2.2	Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Flashings/ Aprons.( Upto 600 mm)	45	Metre	485.6	₹21,852
2.3	Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Gutter (600 mm over all girth)	45	Metre	1,313.7	₹59,116.5
3FINISHING
3.1	Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture	388	Sqm	226.25	₹87,785
4DISMANTLING AND DEMOLISHING

Stage Documents

Stage Summary Snapshot

stage.html

html • 0.04 MB

Technical Evaluation

tech_eval.pdf

PDF

Financial Bid Opening

boq_comp_chart.xlsx

xlsx

Financial Evaluation

fin_eval.pdf

PDF

Award of Contract

aoc.pdf

PDF

Documents

Tap a document below to read it instantly. You can also download everything as a ZIP if you prefer.

Tender Page Snapshot

details.html

html • 0.04 MB

NIT Documents

Tendernotice_1.pdf

PDF • 0.29 MB

Work Item Documents

Tenderdocument.pdf

Tender Documents • 1.37 MB

appdmks.pdf

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Company

V SIVA KUMAR

L1₹21.0 LAccepted-AOC

CHARAN RAJ L

L2₹23.8 L+₹2.9 L (13.7%)Rejected-AOC

AMRUTHGOUDA PATUL

Rejected-Technical

Sl No	Description	Qty	Unit	V SIVA KUMAR L1	CHARAN RAJ L L2
1.00STEEL WORK
1.10	Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Note: (Scope inclusive of structural design and drawings for the specified area)	769	Kg	130 ₹99,970 Lowest	175 ₹1,34,575
1.20	Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes . Note: (Scope inclusive of structural design and drawings for the specified area)	6,815	Kg	170 ₹11,58,550 Lowest	190 ₹12,94,850
2.00ROOFING
2.10	Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.	665	Sqm	720 ₹4,78,800 Lowest	820 ₹5,45,300
2.20	Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Flashings/ Aprons.( Upto 600 mm)	45	Metre	650 ₹29,250 Lowest	750 ₹33,750
2.30	Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Gutter (600 mm over all girth)	45	Metre	650 ₹29,250 Lowest	750 ₹33,750
3.00FINISHING
3.10	Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture	388	Sqm	100 ₹38,800 Lowest	120 ₹46,560
4.00DISMANTLING AND DEMOLISHING

Sl No

Description

Qty

Unit

V SIVA KUMAR

CHARAN RAJ L

1.00STEEL WORK

1.10

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Note: (Scope inclusive of structural design and drawings for the specified area)

769

130

₹99,970

Lowest

175

₹1,34,575

1.20

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes . Note: (Scope inclusive of structural design and drawings for the specified area)

6,815

170

₹11,58,550

Lowest

190

₹12,94,850

2.00ROOFING

2.10

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

665

Sqm

720

₹4,78,800

Lowest

820

₹5,45,300

2.20

Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Flashings/ Aprons.( Upto 600 mm)

Metre

650

₹29,250

Lowest

750

₹33,750

2.30

Metre

650

₹29,250

Lowest

750

₹33,750

3.00FINISHING

3.10

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture

388

Sqm

100

₹38,800

Lowest

120

₹46,560

4.00DISMANTLING AND DEMOLISHING

Sl No	Description	Qty	Unit	Est. Rate	Est. Amount
1STEEL WORK
1.1	Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Note: (Scope inclusive of structural design and drawings for the specified area)	769	Kg	133.7	₹1,02,815.3
1.2	Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes . Note: (Scope inclusive of structural design and drawings for the specified area)	6,815	Kg	194.4	₹13,24,836
2ROOFING
2.1	Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.	665	Sqm	738.65	₹4,91,202.25
2.2	Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Flashings/ Aprons.( Upto 600 mm)	45	Metre	485.6	₹21,852
2.3	Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Gutter (600 mm over all girth)	45	Metre	1,313.7	₹59,116.5
3FINISHING
3.1	Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture	388	Sqm	226.25	₹87,785
4DISMANTLING AND DEMOLISHING

Sl No

Description

Qty

Unit

Est. Rate

Est. Amount

1STEEL WORK

1.1

769

133.7

₹1,02,815.3

1.2

6,815

194.4

₹13,24,836

2ROOFING

2.1

665

Sqm

738.65

₹4,91,202.25

2.2

Metre

485.6

₹21,852

2.3

Metre

1,313.7

₹59,116.5

3FINISHING

3.1

388

Sqm

226.25

₹87,785

4DISMANTLING AND DEMOLISHING