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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹4.1 LAccepted-AOC | L1 | Accepted-AOC lowest rate quoted by the tenderer hence the tender is accepted | |
| 2 | L2₹4.1 L+₹4,956 (1.22%)Rejected-AOC NA | NA | NA | 121004 | L2 | Rejected-AOC higher rate quoted compared to lowest tenderer quoted rate |
| Sl No | Description | Qty | Unit | PEARL ENGINEERS CONSTRUCTION CO-OPERATIVE SOCIETY L2 | A VENKATESAN L1 |
|---|---|---|---|---|---|
| 1.00 | Operation and maintenance of the STP for the Engineers Quarter at Todhunter Nagar Saidapet with single operator { 9 Hrs } 08.00 AM to 05.00 PM as follows. The Operation Starts at 8.0 AM on Everyday { Excluding Sunday } by starting the Air Blower in Pump Room, Verifying uniform Air Distribution in Collection and aeration Tanks. by Maintaining Lubricating Oil in the Blower properly, cleaning the filter regularly. Starting the Sewage Feed Pump to Transfer the sewage Water from Collection Tank to Aeration Tank . and maintaining the Bacteria growth at the rate of 150 ML/Ltrs and maintaining the Ph valve of 6.3 to 7.5 PPM . Then Maintaining clarisettler in which the Sludge and Water is separated and drain the Sludge deposited at the bottom of Tank one In 2-3 Hrs with the help of Pump for2 Minutes. The drained sludge will be deposited and dried in the drying bed. The remaining Sewage Water in the clarisettler will flow in to the filter Feed Tank with Chlorine at 7PPM with the help of Dosing Pump and 12M maintaining Ph Value at the rate of 6.0 to 7.5 PPM, Now the Treated Water in the Filter Tank will be Pumped to the Activated Carbon Filter in which to color and odder will be removed and the Total suspended solids will be intained..Now the Treated effluent from the filter is drained out of the STP after checking the BOD & COD Levels { BOD >30 pm , com >20 pp< } . The Carbon Filter will be maintained by backwashing with the fresh water once in 5 Hours for 15 Minutes to maintain the Filter Media in Proper Level. The Cost is Inclusive of all Minor Work such as pump Air Lock, Blower Oil Change, lower Filter Cleaning, addition of necessary Chlorine, and Chemical for maintaining the Bacteria level , minor Plumbing Work like small leakage and minor Electrical Work Like fusing and maintaining the Pumps etc. But exclusive Spare Parts requires while Maintaining the STP. | 12 | Months | 29,000 ₹3,48,000 | 28,650 ₹3,43,800 Lowest |
| 2.00 | GST at 18% | 1 | Nos | 62,640 ₹62,640 | 61,884 ₹61,884 Lowest |
Tender Value
Refer Docs
EMD Value
₹4,070
Closing Date
3 Apr 2025, 3:00 pmClosed
Executive Engineer
Executive Engineer South Presidency Division Chepauk Chennai 5
Annual Maintenance of Sewage Treatment plant for the Engineers Quarters at Todhunter Nagar Saidapet Chennai 15 for the period from April 2025 to March 2026
2025_PWD_535306_1
TNPWD/62-09/65M/2024-2025
Open Tender
Maintenance Works
Lump-sum
365 days
Saidapet Chennai
Please refer Tender documents.
4 documents required · 4 mandatory
₹0
₹4,070
23 Sept 2025
25 Mar 2025
3 Apr 2025
25 Mar 2025
3 Apr 2025
25 Mar 2025
Amount
Operation and maintenance of the STP for the Engineers Quarter at Todhunter Nagar Saidapet with single operator { 9 Hrs } 08.00 AM to 05.00 PM as follows. The Operation Starts at 8.0 AM on Everyday { Excluding Sunday } by starting the Air Blower in Pump Room, Verifying uniform Air Distribution in Collection and aeration Tanks. by Maintaining Lubricating Oil in the Blower properly, cleaning the filter regularly. Starting the Sewage Feed Pump to Transfer the sewage Water from Collection Tank to Aeration Tank . and maintaining the Bacteria growth at the rate of 150 ML/Ltrs and maintaining the Ph valve of 6.3 to 7.5 PPM . Then Maintaining clarisettler in which the Sludge and Water is separated and drain the Sludge deposited at the bottom of Tank one In 2-3 Hrs with the help of Pump for2 Minutes. The drained sludge will be deposited and dried in the drying bed. The remaining Sewage Water in the clarisettler will flow in to the filter Feed Tank with Chlorine at 7PPM with the help of Dosing Pump and 12M maintaining Ph Value at the rate of 6.0 to 7.5 PPM, Now the Treated Water in the Filter Tank will be Pumped to the Activated Carbon Filter in which to color and odder will be removed and the Total suspended solids will be intained..Now the Treated effluent from the filter is drained out of the STP after checking the BOD & COD Levels { BOD >30 pm , com >20 pp< } . The Carbon Filter will be maintained by backwashing with the fresh water once in 5 Hours for 15 Minutes to maintain the Filter Media in Proper Level. The Cost is Inclusive of all Minor Work such as pump Air Lock, Blower Oil Change, lower Filter Cleaning, addition of necessary Chlorine, and Chemical for maintaining the Bacteria level , minor Plumbing Work like small leakage and minor Electrical Work Like fusing and maintaining the Pumps etc. But exclusive Spare Parts requires while Maintaining the STP.
GST at 18%
PEARL ENGINEERS CONSTRUCTION CO-OPERATIVE SOCIETY (BID ID -1283982)
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