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Tender For Repair Works On Naphtha Tank 20-D-614 At Cpcl, Manali Chennai-068 , Repair Works On Naptha Tank 20-D-614 At , Residual Oil Handling , Removal Of Residuals / Deposits / Sludge From The Tank Using Suitable Pneumatic Pump / Any Other Suitable Method / Compressors / Hoses Etc., And Transferring To Near By Tanks Or Transporting To Any Other Area Shown By Eic Within The Refinery Premised Of Maximum Radial Distance Of 3 Kms, Including Manual Cleaning To Make It Fit For Tank Maintenance Hot Work. Note: For The Activity Of Oil Pumping Alone The Applicable Rate Is 70% Of This Sor Unit Rate Shall Only Be Paid From The Composite Single Rate Of Oil Pumping Cum Manual Removal Of Sludge And Transporting To The Site As Identified By Eic. , Foundation Works As Per Scope Of Work , Supplying And Filling Required With Any One Or All Types Of Fill Materials As Per Design For Tank Pads Including Spreading In Layers Ofloose Thickness Average, Watering, Ramming And Compacting For Repair Works. Existing Pad Materials Shall Be Removed And Disposed As Directed By Eic Within The Lead Of 7Km.No Extra Claim Will Be Entertained In This Regard. , The Contractor Scope Includes Supplying And Filling Required With Medium Coarse River Sand As Per Design For Tank Pads Including Spreading In Layers Of 15Cms Loose Thickness Average, Watering, Ramming And Compacting To Obtain Not Less Than 85% Relative Density As Per Is 2720 Part Xiv For Repair Works. , The Contractor Scope Includes Supplying & Filling Required With M-Sand As Per Design Of Tank Pads Including Spreading In Layers Of , Foundation Etc. In Layer Of Required Thickness Including Watering, Ramming Etc. , The Contractor Scope Includes Providing And Laying 50Mm Thick Premix Carpet In Two Layers, First Layer 30Mm Thick And Second Layer 20Mm Thick All Around On Slopes And Sides Of The Tank Pad Under The Anticorrosive Layer With Graded Stone Chips Of 12Mm And Down Size And 80 / 100 Grade Bitumen In The Proportion Of 64Kg Bitumen Per Cu.M Of Stone Aggregate Including Providing Tack Coats Of Bitumen At The Rate Of 1 Kg / Sq.M. Heating, Mixing, Brushing, Laying In Proper Slope, Compacting, Spreading Sand Over The Finished Surface At The Rate Of 0.5 Cu.M / 100Sq.M Etc., Complete. The Contractor Shall Bring The Materials Required For The Foundation Repair Work. , The Contractor Scope Includes Providing And Laying 50Mm Compacted Thickness, Anticorrosive Layer Under Steel Storage Tanks And Over The 50 Mm Premix Carpet Layer / Sand Pad With Screened Dry River Sand Mixed With Bitumen 8 To 10% By Volume Including Mixing In Drums Heating To Required Temperature. Dressing To The Required Slope, Complete With Tools, Tackles, Mixing Plants Etc. , Crushed Stone Filling Supplying & Stacking Of 63 - 45Mm Size Stone Aggregate Spreading In Uniform Thickness, Including Preparation Of Sub Base, Clearing Debris And Disposal Within The Refinery Premises Etc., Complete As Directed By The Engineer-In-Charge For All Leads And Lifts ( Payment Will Be Made After Deducting Voids At 7.5% ) . , Exposing The Annular Plate Projection Outside The Tank, Which Has Been Covered With Asphalt Mix Layer, For Carrying Out Plate Inspection Tank Dia-79M * ( Applicable Only If Annular Plate Replacement Is Not Done ) . , Blinding And Deblinding , Blinding & De Blindingfor 150# & 300#. Job Includes Collecting All Necessary Materials From Stores To Site. Contractor Has To Provide All Necessarytools And Tackles , Upto 1 1 / 2" Inch , 2" To 4" , 6" To 10" , 12" To 16" , 18" To 24" , Note For Sl.No.4.0: ( 1 ) Nominal Diameter Of The Flanges Shall Be Taken For All Measurements ( 2 ) In Case Of Either One Of The Activity Like Blinding Or Deblinding Arise, 50% Of The Applicable Rate Shall Be Paid For The Single Activity , Removal And Refixng Of Pv Valves , Removal Of All Pv Valves / Block Valves ( Size Between 2" And 12" ) From Tank, Transporting To And Fro To Valve Section And Refixing The Same After Servicing. Servicing Will Be Done By Cpcl. , Commercial Cleaning Of Plates ( Roof, Shell Upto 2M Elevation, Bottom Plates ) As Per Scope Of Work. , By Mechanical Cleaning , By Commercial Gritblasting ( Roof Top For Lfet Testing Of Roof, Bottom Plate, If Requried As Per Inspection & Roof Underside To Be Done , If Required As Per Inspection ) , By Powertool Cleaning , Cleaning Of Welds As Per Scope Of Work , Buffing , Buffing With Diesel Chalk Test , Buffing With Vacuum Box Test , Patch Plate Welding As Per Scope Of Work , Patch Welding As Per Scope Of Work.This Job Includes Preparing The Work Area For Hot Work, Bending Of Plates To Desired Curvatures Wherever Required, Grinding, Fillet Welding On Plate Surfaces Using E 6013 / E 7018 Electrodes At All Grades And Elevation. Patch Plate Thickness Upto 8Mm.The Rate Is Applicable Forpatch Works At All Locations I.E. Shell, Roof, Bottom Plate Etc. And Testing As Directed By Eic And Inspection. . , Gouging Of Existing Plates At All Elevation As Per Scope Of Work. The Rate Is Applicable At All Locations I.E. Shell, Roof Etc. As Directed By Eic And Inspection. , Weld Repairs And Reinforcement As Per Scope Of Work , Bottom Plate & Annular Plate Replacement , Bottom Plate Replacement As Per Scope Of Work ( Using 8Mm Plate ) , Bottom Plate Cutting, Dismantling, Shifting Out Of Dyke, , Weighing And Transporting To Scrap Yard / Designated Place As Directed By Eic. , Providing Construction Drawing, Preparing Fabrication Drawing, Fabrication Including Underside ( Soil Side ) Painting Of Bottom Plates, Opening & Closing Of Shell Window After Completion Of Bottom Plate Replacement Jobs, Erection Of Bottom Plates, Welding And Testing As Per The Direction Of Inspection. For Payment, Theoritical Weight Given In The New Fabrication Drawing Will Be Considered. , Annular Plate Replacement As Per Scope Of Work ( Using 14Mm Plate ) , Annular Plate Cutting, Dismantling, Shifting Out Of Dyke, Weighing And Transporting To Scrap Yard / Designated Place As Directed By Eic. , Preparingfabrication Drawing, Fabrication Including Underside ( Soil Side ) Painting Of Annular Plates, Erection Of Annular Plates, Welding And Testing As Per The Direction Of Inspection. For Payment, Theoritical Weight Given In The New Fabrication Drawing Will Be Considered. , Provision Of Drip Ring Arrangement Around The Annular Plate At Tank Outside Periphery To Prevent The Entry & Accumulation Of Water Below The Annular Plate As Per The Enclosed Sketch And Procedure. Painting Of Drip Ring Arrangement As Per System-Xi As Advised By Inspectionshall Be Done. , Shell Plate Replacement / New Shell Course Addition Jobs / Shell Course Partial Replacement Jobs As Per Scope Of Work In All Location And Elevation - All Thickness , Cutting, Dismantling, Shifting Out Of Dyke, Weighing And Transporting To Scrap Yard / Designated Place As Directed By Eic. . , Providing Construction Drawings, Fabrication / Modification, Erection, Welding And Satisfying All Inspection Requirments As Directed By Eic , Repair Works On Roof Appurtenances , Roof Rolling Ladder Complete Servicing Including Supply And Replacement Of Required Brass Flats, Rollers, Wheels, Pins And Brazing Of Rolling Ladder Wheel, Ladder Stariway Gi Rungs Etc. And The Torn Off Rolling Ladder Top Rungs And The Connecting Flats Shall Be Replaced With Suitable Modification. Only Structural Material Will Be Supplied By Cpcl. , Weld Repair Of Pontoon Compmartment Plates Using E 7018 Electrode ( Inside Pontoon ) As Directed By Eic - Applicableonlyif Complete Roof Replacement Is Not Done , Replacement Of Roof Sleeves ( Includes Replcement Of Reinforcement Pads ) - Applicableonlyif Complete Roof Replacement Is Not Done I.E. Repair Works In Existing Roof Only , Replacement Of Roof Legs - Applicableonlyif Complete Roof Replacement Is Not Done I.E. Repair Works In Existing Roof Only , Double Deck Roof- All Roof Pontoons Water Fill Testing - The Testing Shall Be Done For Individual Pontoon Only.Hence Required Number Of Testings Shall Be Done To Cover The Entire Roof As Per The Requirement Of Inspection , Supply And Fixing Ofnitrile Rubber Gaskets As Per Existing Samples For Pontoons / Double Deck Roof Manholes , Supply And Fixing Ofnitrile Rubber Gaskets As Per Existing Samples For Breather Vents , Supply And Fixing Of25mm Neoprenegaskets As Per Existing Samples For Gauge Well ( 1M X 1M ) , Supply And Fixing Of 4" Nitrile Rubber Gaskets As Per Existing Samples For Roof Leg Sleeves , Supply And Fixing Of Cottor Pin Assembly Or Stud Bolt Assmbly As Per The Existing Samples For Roof Leg Supports , Structural Works As Per Scope Of Work , Cutting, Dismantling, Shifting Out Of Dyke, Weighing And Transporting To Scrap Yard / Designated Place As Directed By Eic. , Providing Contsruction Drawing, Fabrication, Erection, Welding And Satisfying Allinspection Requirments As Directed By Eic. , Earthing Point Repairs As Per Scope Of Work , Supply And Fixing Of The Earthing Cable With Copper Wire Between Roof To Rolling Ladder, Rolling Ladder To Gaugewell Platform, Shell To Earth Grid, Interconnection Between The Earth Pits With 50Mm Square Copper Flexible, Pvc Insulated, Both Ends Crimped With Lugs. All The Earthing Shall Be As Per Existing Is Earthing Standards. , Earthing Flat Repair Works As Per Scope Of Work , Repairs / Replacement Of Mechanical Level Indicator As Per Scope Of Work ( Rate Includes Supply & Installation Of Mechnaical Level Indicator Wires, Pulleys, Float, Scale & Counterweight ) , Removal And Refixing Of The Side Entrymixer With Motors And Gear Boxes After Servicing By Cpcl As Perscope Of Work , Dismantling And Refixing Of Existing Roof Drain Systems ( 3 Nos ) Size ( 6" / 8" ) , Dismantling Of Exisitng 3 Nos. Of Roof Drain System And Refixing After Completion Of Bottom Plate Replacement And Hydrotesting Of Roof Drain Systems ( Swivel Joints To Be Tested Individually As Well As With System ) Which Includes Erection / Replacementof Non-Return Valves As Directed By Eic. , Partial / Full Replacement Of Roof Drain ( Sor Excludes Hydrotest, Since That Is Already Accomodated In The Previous Sor ) , Rim Seal, Primary Seal And Secondary Seal , Refixing Of Primary Seals As Per Scope Of Work , Removal Of Primary Seals , Refixing Of Primary Seals , Refixing Of Secondary Seals As Per Scope Of Work , Removal Of Secondary Seals , Refixing Of Secondary Seals , Removal And Refixing Of Rim Seal , Removal And Refixing Ofrim Seal After Completion Of Maintenance Job , Note For Sl.No.18.3: ( 1 ) Removal And Refixing Of Rim Seal Includes, Dismantling Of Vessel, Connected Pipe, Hose, Fasteners And Other Parts, Preserving The Dismantlings, Refixing The Rim Seal In Order. , Foam Pourer Works As Per Scope Of Work , Dechoking & Hydrotesting Of The All / Entire Foam Pourer Systems At 19 Kg / Sq Cms.Scope Includes Removal Offoam Makers With Blinding Of All Nozzles For Hydrotesing And Fixing Back Of All Foam Makers. , Replace Or Repair ( Partial Or Complete Foam Lines ) As Directed By Eic. Job Includes Fabrication, Erection And Hydro Testing Of Piping Along With Necessary Supports ( For Supports Rate Can Be Claimed Using Structural Fabrication And Erection Sor ) . , Supply Of 100 Mesh Of Ss 304 Material For The Foam Pourer System. , Fire Water Sprinkler Works As Per Scope Of Work , Dechoking & Hydrotesting Of The Entire Fw Sprinkler System As Directed By Eic ( Includes Removal Of Sprinkler Nozzles And Plugging Before Hydrotesting And Refixing Of Sprinklers After Hydrotesting ) . , Partial Or Complete Replacement Of Fw Sprinkler System With Supports ( For Supports Rate Can Be Claimed Using Structural Fabrication And Erection Sor ) . Job Includes Fabrication, Erection And Hydro Testing Of Fire Water Piping Along With Necessary Supports. This Rate Includes Bending Of Pipes To The Required Curvature. , Piping Workas Per Scope Of Work , Fabrication And Erection Of Process Piping With Supports Inside The Tank Including Hydrotest And Meet Other Standard Inspection Requirements. , Fabrication And Erection Of Process Piping With Supports Outside The Tank Within Dyke Area Including Hydrotest And Meet Other Standard Inspection Requirements. , Dismantling Of Old Pipes Inside / Outside Tank And Disposing Them Off To Designated Place As Directed By Eic. , Fabrication, Erection And Welding Of Temporary Piping Inside And Outside The Dyke For Transportation Water From Outside Source For Tank Hydrotesting. Hydrotest Not Required For This Line.Old Pipes And Salvaged Pipes To Be Used As Directed By Eic. , Clean The Shell Nozzles & Pad Welds And Carryout Pneumatic Testing As Per Scope Of Work. , Manual Cleaning With Wire Brush Of Shell / Bottom Plates After Hydrotesting , For Providing Nozzles Size From 2" To 12" ( Including 12" ) On The Shell / Roof With Rf Pad As Per Api 650 / 653 With Necessary Inspection.Measurement Will Be Based On Size Of The Nozzle Only And Erection And Welding Of Rf Pad Will Not Be Considered In The Measurement For Payment - The Item Rate Is Inch Dia Based On Nominal Pipe Size. , For Providing Nozzles Size Above 12" Upto 24" ( Including 24" ) On The Shell / Roof With Rf Pad As Per Api 650 / 653 With Necessary Inspection.Measurement Will Be Based On Size Of The Nozzle Only And Erection And Welding Of Rf Pad Will Not Be Considered In The Measurement For Payment - The Item Rate Is Inch Dia Based On Nominal Pipe Size. , For Providing Nozzles Size Above 24" Upto 30" ( Including 30" ) On The Shell / Roof With Rf Pad As Per Api 650 / 653 With Necessary Inspection.Measurement Will Be Based On Size Of The Nozzle Only And Erection And Welding Of Rf Pad Will Not Be Considered In The Measurement For Payment - The Item Rate Is Inch Dia Based On Nominal Pipe Size. , For Providing Nozzles Size Above 30" Upto 42" On The Shell / Roof With Rf Pad As Per Api 650 / 653 With Necessary Inspection ( Including Erection Of Valve ) .Measurement Will Be Based On Size Of The Nozzle Only And Erection And Welding Of Rf Pad Will Not Be Considered In The Measurement For Payment - The Item Rate Is Inch Dia Based On Nominal Pipe Size. , Tank Bottom Sump Provision / Relocation : Fabrication, Erection Rolling, Welding Testing Including Excavation And Backfilling, Underside Painting And Anticorrosive Layer Packing Etcof Ms Stripping Suction / Water Draw Off Sump As Per Scope Of Work. , Scaffolding Erection And Dismantling Using Contractor Own Material , Scaffolding ( Box Type Scaffolding ) , Tank Hydrotesting, Initial Measurements And Calibration As Per Scope Of Work. , Still Gauge Well Pipes , Cutting, Dismantling, Shifting Out Of Dyke, Weighing And Transporting To Scrap Yard . Fabrication, Erection, & Welding Of Gauge Well & Still Well Pipes , Provision Of Combined Still Well Pipes ( 24" ) As Per Scope Of Work, For Accomadate Two Radar Gauge ( 8" ) , Gauge Hatch Cover & Temp Elementscope Includes Fabrication, Dismantling, Erection Of Pipes As Well As Supply Of Aluminium Gaskets, Brass Rollers, Machining Activities, Related Transporting Activities, Rubber / Neoprene Gaskets Etc As Directed By Eic.This Still Well Assembly Can Be Checked At Site / In Drawing Before Quoting ( Previously Installed In Crude Tanks ) , Painting As Per Scope Of Work , Surface Preparation Works , By Gritblast Cleaning To Sspc-Sp-10 / Sa 2.5 ( Location: Roof Exterior Surface, Shell Top Course - Interior Surface 1.5 Metres, Roof Leg Top-2 Metres And Including Curb Angle & Foam Defector Plate Inside, Gauge Well, Combined Still Well, Pontoon Exterior Surface, Tank Bottom Plate / Annular Plate Product Side & Shell Bottom 1.5M Height Including Roof Drain System Etc And In Other Areas If Required ) . , By Power Tool Cleaning To Sspc-Sp-3 / St 3 ( Location:Exterior Surface Of Shell Bottom 150Mm Height And Annular Plate Projection And In Other Areas If Required ) , By Hand Tool Cleaning To Sspc-Sp-2 / St 2 ( Location: Shell Exterior Surface, Roof Drain Sump, Foam Deflector Plates Outside, Rolling Ladders, Shell Stairway, Structurals, Platforms, Bottom Plate Undersiderside, Fire Fighting Systems, Pontoon Internals, Double Deck Inside Including All Structurals, Etc. And In Other Areas If Required ) , Supply And Application Of Primer / Inter / Finish Paints , Shell Exterior Surfaceto Be Painted As Per Cpcl Painting System Xiii Without Primer . ( Application: Conventional Brush / Airless Spray ) , Finish: Twocoats Of Aluminium Paint Is 2339 Dft Of 15 Microns / Coat , Pontoon Interior Surface & Pontoon Internals, Wind Girders, Roof Rolling Ladders, Shell Stairway ( Excluding The Ladder Gi Rungs ) , Structural / Platforms, Fire Fighting Systems And All Connected Piping Of Tank Within The Dyke And In Other Areas If Required To Be Painted As Per Cpcl Painting System ( Application: Brush ) , Two Coats Of High Build Zinc Phosphate Primer Dft Of35 Microns / Coat , Wind Girders, Roof Rolling Ladders, Shell Stairway ( Excluding The Ladder Gi Rungs ) , Structural / Platforms, Fire Fighting Systems And All Connected Piping Of Tank Within The Dyke And In Other Areas If Required As Per The Cpcl Painting System - ( Application By Brush / Airless Spray ) , Primer : One Coat Of Self Priming Epoxy Paint, Dft: 100 Microns / Coat , Intermediate: One Coat Of Polyamide Cured Hb Epoxy Mio Paint Dft Of 75 Microns / Coat , Finish :Two Coats Of Acrylic Polyurethenepaint Of Dft 35 Microns / Coat , Finish:Two Coats Of First Quality Synthetic Enamel Paint, Dft 25 Micron Per Coat , Top Deck Exterior Surface, Shell Top Course Interior Surface 1.5M Including Curb Angle, Roof Leg Top 2 Metres & Foam Deflector Plate And In Other Areas If Required As Per Cpcl Painting System Xii ( Application By Airless Spray ) , Primer:One Coat Of Inorganic Zinc Silicate Dft Of 75 Microns / Coat , Inter:One Coat Of Polyamide Cured Hb Epoxy Mio Paint Dft Of 75 Microns / Coat , Finish:Twocoats Of Acrylic Polyurethane Paint Dft 35 Microns / Coat , Exterior Surface Of Shell Bottom -150 Mm Ht & Annular Plate Projection, Roof Drain Sump And In Other Areas If Required As Per Cpcl Painting System Xi ( Application By Brush / Airless Spray ) , Primer:One Coat Of Epoxy Zinc Phosphate Dft Of30 Microns / Coat , Inter:One Coat Of Polyamide Cured Hb Epoxy Mio Paint Dft Of 75 Microns / Coat , Finish: Two Coats Of High Build Coal Tar Epoxy Paint 100 Microns / Coat , Painting Of Water Stagnant Area Of Floating Roof Tank Deck Plate ( Roof Drain Sump Surrounding ) To Avoid Corrosion , Two Coats Of Polysulphide Modified Epoxy Paint Dft Of500 Micron / Coat ( Application By Airless Spray ) . , Tank Inside & Dyke Area Preparation For Uninterrupted Hot Work:Grass Cutting, Area Cleaning, Removal Of Debris, Stagnated Oil / Sludge , Oil Cleaning Inside Dyke To Get Hot Work Permit If Any, By Engaging A Crew Of Unskilled Helpers In 8 Hours Shift To Comply With Cpcl Safety Norms As Per Scope Of Work And For Maintaining The Area Oil / Sludge / Grass Free So As To Execute The Hot Works Uninterruptedly. The Dyke Inside Area Has To Be Maintained Always Clean, And Safe To Carry Out Hot Work. This Optional Sor Shall Be Operated Based On The Instruction Of Eic Only.Separate Manpower Deplolyment Details Has To Be Certified By Eic For Operating This Item. - Item Rate Is Per Unskilled Personnel For 8 Hrs Shift. Manpower To Be Deployed As Instructed By Eic. , Barricading As Per Scope Of Work And Attached Drawing-1902 Rev. 0 , Providing Civil Foundation For Barricading Including Earth Work Excavation Upto 1.5M Depth, Supply And Filling Of Fine Aggregrate Of M-Sand, Centering, Shuttering, Strutting, Providing Reinforcement Of Fe500 Bar, Providing And Laying Pcc & Cement Concrete, Supplying And Grouting Of Foundation Bolts, Supplying And Fixing Of Anchor Fasterner Of Approve Quality To Complete The Foundation Work In All Respect As Per Drawing No-1902 Rev. 0. Ea Referes Rate For One Foundation Block- Common Raft + Two Pedestal. , Installation And Dismantling Of Barricading For Isolation The Tank Taken For Maintenance From Live Tanks Based On The Instruction Of Eic ( Optional Based On Its Requirement Only ) As Per The Cpcl Standard Barricading Drawing. Mobilization Of All Material Required For Barricading Is In Contractors Scope -Which Includes All New Or Old Pipes, Structural And Gi Barricading Sheets, Fasteners Etc. The Contracor Shall Take Back All The Barricading Materials After Completion Of Tank Repair Works. The Contractor Shall Install Structurally Strong Barricading Following All Saftey Norms And Should Get Cpcl Clearance After Installation.
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