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Periodical cleaning of water tanks by mechanized method at CSIR-CLRI Staff Quarters, Adyar, Chennai 600020

Council Of Scientific And Industrial Research

CSIR-CLRI, Adyar | Chennai, Tamil Nadu

Amount: ₹7.8 LCloses: 29 Oct 2026

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Timeline

Published8 Oct 2026
Closes29 Oct 2026
Bid Opening30 Oct 2026

Tender Value

₹7.8 L

EMD Value

₹15,639

Closing Date

29 Oct 2026, 4:30 pm

Tender Inviting Organisation

Name

The Director

Address

CSIR CLRI, Adyar, Chennai

Work Description

Periodical cleaning of water tanks by mechanized method at CSIR-CLRI Staff Quarters, Adyar, Chennai 600020

Tender Information

Tender ID

2026_CSIR_293463_1

Reference Number

10(03)/2026-27/Wks

Tender Type

Open Tender

Product Category

Civil Works

Form of Contract

Item Rate

Period of Work

365 days

Location

CSIR-CLRI, Adyar

Source Website

Subscribe to view

Eligibility / Pre-Qualification

Please refer tender document

Documents Required

12 documents required · 12 mandatory

Fee/PreQual/Technical

Requirede-Payment Receipt towards EMD (.pdf)

RequiredValid Registration Certificate of appropriate class in case of Civil Works (.pdf)

RequiredValid Contractor Electrical Licence in case of Electrical Works (.pdf)

RequiredConsent Letter from Main Contractor and Associated Contractor in their letterhead (.pdf)

RequiredWork Completion Certificate for similar works completed in the last seven (07) years (.pdf)

RequiredCertificate of Registration of GST (as applicable) (.pdf)

RequiredCopy of PAN Card (.pdf)

RequiredSelf-declaration by Contractor that the contractor has inspected the site (.pdf)

RequiredUndertaking for having gone through the complete tender document and accepting all the terms (.pdf)

RequiredDeclaration to abide by Code of Integrity for Public Procurement (.pdf)

RequiredAddress proof for having head office/ branch office located in Tamil Nadu (.pdf)

Finance

RequiredFinancial Bid (BOQ) (.xls)

Fee & Financial Details

Tender Fee Amount

₹0

EMD Fee Amount

₹15,639

Important Dates

Last Activity

8 Oct 2026

Published

8 Oct 2026

Bid Opening

30 Oct 2026

Download Starts

8 Oct 2026

Download Ends

29 Oct 2026

Submission Starts

8 Oct 2026

Bill of Quantities

Item RateBoQ_Ver3.0INR

BoQ1 (2 items)

Sl No	Description	Qty	Unit	Est. Rate	Est. Amount
1Civil Items
1.01	Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank, including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba, all complete as per direction of Engineer-in-Charge. Note : (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)	3,00,000	Litres	100	₹3,00,00,000
1.02	Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish,all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultravioletradiation etc. as per direction of Engineer-in-Charge. Note : (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)	4,800	Sqm	100	₹4,80,000

Documents

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Tender Page Snapshot

details.html

html • 0.03 MB

NIT Documents

Tendernotice_1.pdf

PDF • 0.85 MB

Work Item Documents

BOQ_342502.xls

BOQ • 0.25 MB

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Sl No	Description	Qty	Unit	Est. Rate	Est. Amount
1Civil Items
1.01	Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank, including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba, all complete as per direction of Engineer-in-Charge. Note : (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)	3,00,000	Litres	100	₹3,00,00,000
1.02	Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish,all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultravioletradiation etc. as per direction of Engineer-in-Charge. Note : (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)	4,800	Sqm	100	₹4,80,000

Sl No

Description

Qty

Unit

Est. Rate

Est. Amount

1Civil Items

1.01

Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank, including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba, all complete as per direction of Engineer-in-Charge. Note : (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

3,00,000

Litres

100

₹3,00,00,000

1.02

Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish,all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultravioletradiation etc. as per direction of Engineer-in-Charge. Note : (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

4,800

Sqm

100

₹4,80,000