Bids Are invited for Repair And Overhauling Service - Concluding Rate Contract For External Underwater Hull Surface Preparation And Paint Renewal Of In Vessels; Any Other Suitable Brand; No; Buyer Premises - Anode Masking.Masking Of All Iccp Anodes A

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Bids Are invited for Repair And Overhauling Service - Concluding Rate Contract For External Underwater Hull Surface Preparation And Paint Renewal Of In Vessels; Any Other Suitable Brand; No; Buyer Premises - Anode Masking.Masking Of All Iccp Anodes And Reference Electrodes Using Hard Covers. Masking Is Required To Be Water / Dust Proof And Should Be Able To Withstand A Pressure Of 30000 Psi. It Has To Be Maintained Throughout The Drydock Period. , Jet Washing.High Pressure Jet Washing Of Outer Water Hull At 3000 Psi For Removal Of Marine Growth And Other Contaminants On Hull , Surface Preparation On Under Water Hull – Sweep Hydro Jet Blasting.Sweep Hydro Jet Blasting For Removal Of Selective Coats. , Surface Preparation On Under Water Hull – Sweep Grit Blasting.Surface Preparation Of C I Grit (Using Acci Grit Gr(17-24)On Outer Hull Area By Blasting To Sa 2.5 Std Cleaning Of Used Grit Material Should Be Undertaken In Such A Way So As To Avoid Particle Dispersion In Air. , Cleanship Of Work Area.Disposal Of Hazardous Paint Remnants And Effluent Generated During Blasting To Suitable Treatment Plants Outside Nd(V) Premises Post Treatment As Per Govt Pollution Norms All Remnants Generated During A Docking Period Is To Be Cleared Prior Undocking By Single Truck Load Of Requisite Capacity (Min. 8T). , Disking.Disking On Outer Water Hull Area Using 3Mm Paper To Remove Selective Coats , Paint Application .Paint Application Of Each Coat Of Primer, Anti-Corrosive, Tie Coat And Antifouling Including Draft Marking And Boot Top Marking Post Sweep Hydro Washing Of Hull, As Required. Application To Be Undertaken By Airless Spraying Machine Or Roller Brushes (As Indicated By User Department) For Achieving Dft As Specified In Ncd 1481 Or Relevant Policy Letters Or As Specified By User Department. Wft And Dft Readings To Be Recorded During And Post Curing Respectively For Each Coat , Process Monitoring And Report Submission. A Qualified Supervisor/ Inspector Is To Be Appointed For Process Monitoring And Daily Work Report Submission. Wft Readings Are To Be Taken During Painting Application. Post Curing, Dft Of The Same Area Is To Be Checked To Avoid Under/Over Coating. Dft Mapping Of External Underwater Hull Has To Be Undertaken Post Completion Of Work. The Same Has To Be Undertaken By Dividing The External Uw Hull Area Into Continuous Grids Of 1 Sqm, With Dft Being Measured At Each Corner And Center Of Individual Grids. The Average Value Of Above Five Readings Will Be Considered As The Final Dft Of That Region. In Addition To The Log Books Submitted By The Firm, It Is Required That The Daily Work Progress Be Recorded As Per The Format Specified By The User.