Bids Are invited for Repair, Maintenance, And Installation Of Plant/ Systems/Equipments (Version 2) - Onboard Indian Naval Ships; Rrc For Chemical Cleaning Of Atu/He/Evaporators Of Air Conditioning And Refrigirator System Fitted Onboard Indian Naval
Tender Overview
Project Description
Bids Are invited for Repair, Maintenance, And Installation Of Plant/ Systems/Equipments (Version 2) - Onboard Indian Naval Ships; Rrc For Chemical Cleaning Of Atu/He/Evaporators Of Air Conditioning And Refrigirator System Fitted Onboard Indian Naval Ships; Service Provid.. - Services , Water Side Of Atu/He/Evaporator , Record The Temperature Differential Between Inlet And Outlet After Running Ac For At Least 24 Hours , Remove Lagging Of Inlet/ Outlet Pipeline Of The Chilled Water System Of Atu/ He/ Evaporator And Dismantle The Lines , Rig Up Pump Motor/ Tank For Circulation Of Chemicals , Flush The System With Water So As To Remove All Dirt Prior To Chemical Run. Chemical Solution Should Not Corrode/ Chemically React Thereby Reducing Strength Of Atu/ He/ Evaporator Coils And System Pipes , Flush The System With Fresh Water And Neutralize The Chemicals With Suitable Neutralizer. The Firm Is To Certify That System Is Free Of Chemicals. The Unit Reserves The Right To Test The Flushed Water For Presence Of Residual Chemicals , Refit Pipes Lines And Pressure Test And Prove The System For No Leakages , Re-Lag Pipes Post Success Pressure Test. Plugging Of Tubes If Any Up To 10% Will Be The Liability Of The Contractor , Pop Application On Trunking & Joints As Applicable , Removal And Fitment Of Trunking And Gaskets Removed During Cleaning , Mfmb Lagging / Cold Lagging As Applicable , Puf Insulation Including Die As Applicable , Pre-Filter Drip Tray And Drains To Be Cleaned Of Each Atu/He/Evaporator , Air Side Of Atu/He/Evaporator , Degutting Of Lagging , Removal Of He From Trunking Wherever Required , Chemical Cleaning Of Fins And Tubes , Water Jet Spray Cleaning Of The External Surfaces To Ensure Complete Removal Of Chemical / Solution Used For Cleaning , Re-Fitting Of He And Requisite Trunkings , De-Lagged Areas To Be Re-Lagged With Same New Lagging Materials As Used On The System , Check And Record The Heat Exchange Across He Before And After Cleaning , Check And Record Air Flow Rate At Sufficient Points Across The He Before And After Cleaning , Pop Application On Trunking & Joints As Applicable N , Removal And Fitment Of Trunking And Gaskets Removed During Cleaning , Mfmb Lagging / Cold Lagging As Applicable , Puf Insulation Including Die As Applicable , Pre-Filter Drip Tray And Drains To Be Cleaned Of Each Atu/He/Evaporator
BOQ
| Sl. No. | Item Title | Item Description |
| 1 | SERVICES | SERVICES |
| 2 | Water Side of ATU/HE/Evaporator | Water Side of ATU/HE/Evaporator |
| 3 | Record the temperature differential between inlet and outlet after running AC for at least 24 hours | Record the temperature differential between inlet and outlet after running AC for at least 24 hours |
| 4 | Remove lagging of inlet/ outlet pipeline of the chilled water system of ATU/ HE/ Evaporator and dismantle the lines | Remove lagging of inlet/ outlet pipeline of the chilled water system of ATU/ HE/ Evaporator and dismantle the lines |
| 5 | Rig up pump motor/ tank for circulation of chemicals | Rig up pump motor/ tank for circulation of chemicals |
| 6 | Flush the system with water so as to remove all dirt prior to chemical run. Chemical solution should not corrode/ chemically react thereby reducing strength of ATU/ HE/ Evaporator coils and system pipes | Flush the system with water so as to remove all dirt prior to chemical run. Chemical solution should not corrode/ chemically react thereby reducing strength of ATU/ HE/ Evaporator coils and system pipes |
| 7 | Flush the system with fresh water and neutralize the chemicals with suitable neutralizer. The firm is to certify that system is free of chemicals. The unit reserves the right to test the flushed water for presence of residual chemicals | Flush the system with fresh water and neutralize the chemicals with suitable neutralizer. The firm is to certify that system is free of chemicals. The unit reserves the right to test the flushed water for presence of residual chemicals |
| 8 | Refit pipes lines and pressure test and prove the system for no leakages | Refit pipes lines and pressure test and prove the system for no leakages |
| 9 | Re-lag pipes post success pressure test. Plugging of tubes if any up to 10% will be the liability of the contractor | Re-lag pipes post success pressure test. Plugging of tubes if any up to 10% will be the liability of the contractor |
| 10 | POP application on trunking & joints as applicable | POP application on trunking & joints as applicable |
| 11 | Removal and fitment of trunking and gaskets removed during cleaning | Removal and fitment of trunking and gaskets removed during cleaning |
| 12 | MFMB lagging / cold lagging as applicable | MFMB lagging / cold lagging as applicable |
| 13 | PUF insulation including die as applicable | PUF insulation including die as applicable |
| 14 | Pre-filter drip tray and drains to be cleaned of each ATU/HE/Evaporator | Pre-filter drip tray and drains to be cleaned of each ATU/HE/Evaporator |
| 15 | Air Side of ATU/HE/Evaporator | Air Side of ATU/HE/Evaporator |
| 16 | Degutting of Lagging | Degutting of Lagging |
| 17 | Removal of HE from trunking wherever required | Removal of HE from trunking wherever required |
| 18 | Chemical cleaning of fins and tubes | Chemical cleaning of fins and tubes |
| 19 | Water jet spray cleaning of the external surfaces to ensure complete removal of chemical / solution used for cleaning | Water jet spray cleaning of the external surfaces to ensure complete removal of chemical / solution used for cleaning |
| 20 | Re-fitting of HE and requisite trunkings | Re-fitting of HE and requisite trunkings |
| 21 | De-lagged areas to be re-lagged with same new lagging materials as used on the system | De-lagged areas to be re-lagged with same new lagging materials as used on the system |
| 22 | Check and record the heat exchange across HE before and after cleaning | Check and record the heat exchange across HE before and after cleaning |
| 23 | Check and record air flow rate at sufficient points across the HE before and after cleaning | Check and record air flow rate at sufficient points across the HE before and after cleaning |
| 24 | POP application on trunking & joints as applicable n | POP application on trunking & joints as applicable n |
| 25 | Removal and fitment of trunking and gaskets removed during cleaning | Removal and fitment of trunking and gaskets removed during cleaning |
| 26 | MFMB lagging / cold lagging as applicable | MFMB lagging / cold lagging as applicable |
| 27 | PUF insulation including die as applicable | PUF insulation including die as applicable |
| 28 | Pre-filter drip tray and drains to be cleaned of each ATU/HE/Evaporator | Pre-filter drip tray and drains to be cleaned of each ATU/HE/Evaporator |
AI Tender Summary
Tender Timeline
Tender Published
Tender notice published.
CompletedBid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 15 daysBid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 16 daysTender Documents
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