Tenders Are Invited For Booster Compressor Discharge Line Modification Work

Quotation Are Invited For Booster Compressor Discharge Line Modification Work Job1032101397 Ng Boosterrfx Description Ng Booster Compressor Discharge Line Modification Work At M Station Jebel Ali Power Stationbelow Parties To Be Included1 Item 00001 Technical Specification For Ng BoosterCompressor Discharge Line ModificationWork At M Station Jebel Ali PowerStation ContactPerson Arvind 0553905432 Rafael 0524537031 Schedule The Work To Be CarriedOut During M Station Total OutageTentatively PlAnned In Dec 21 Or Jan 22 A Pre BidCondition 1 The Contractor Shall HavePrevious Experience With Natural GasPiping Design Engineering And Erection Work 2 TheContractor Shall Visit The Site And BeFully Familiar With The Work Scope PlantAccess FaciLities Complexities Safety Measures Etc Before Submitting The Bid B Purpose 1 This Document Defines The TechnicalRequiremeNts For The Design And Engineering Of PipeAnd Supports Stress Analysis AndErection Of Ng Booster Compressor 1 LsDischarge Line ValvE At M Station C Scope Of Work A DesignAnd Engineering Of Piping And SupportsIncluding Stress Analysis Contractor ToSubmit ISometric Construction And As BuiltDrawing After Completion Of Erection AndUpdating Of P Id B Erection Duration 4Days For ErEction 1 Mobilize Men Equipment Within 02Day Of Advance Notice 2 Get Ptw PermitTo Work And Lc Line Clearance DocumentFrom Dewa 3 The Following Documents To BeSubmitted To Get Ptw A Method StatementB Risk Assessment Of The Work C Tool BoxTalk RePort 4 Ensure Area Is Correctly SecuredAnd Safe To Work On In All Respects ByChecking Positive Line Isolation And ProperDepresSurizing Of The Line Prior To CommencingWork The Condition Of Work Place Will BeChecked By The Contractor Hse Officer OrInspectOr To Ensure It Is Safe To Work 5 ConductSite Survey And Safety Inspection ToAssess The Working Environment 6 If TheWorking ENvironment Is Safe You Can Proceed WithThe Following Steps 7 Carry Out SiteInspection 8 Physical Measurement Verification 9 Erection Of New 3 Pipe Line Between Block10 And 20 A Prefabrication Of Piping AndSupports Between Block 10 And 20 B SiteErectIon Of New Ng Pipeline Between Block 10 And20 Pipe To Be Cleaned Internally BeforeInstalling C Cold Cutting Drilling OfExistinG 16 Line In Case Of Drilling ContractorTo Mention Clearly In Attached P Id AndSketch D Cold Cutting And Beveling OfExisting 3 In Line For Tie In Of New Line 3 In LineE Fixing Install Blind On The TerminatedEnd Of Existing Pipe To Restrict Debris ToGo Inside F Welding Tie In Of New PipelineTo Existing Line G Inspection And Ndt Contractor To Submit Inspection And TestPlan 10 Installation Of New 4 Nos 3 Size BallValves On Existing Block 10 3 Pipe LineA Cutting Of Existing 3 In Line To ProvideSpAce For New 4 Nos 3 Size Ball ValvesB Flange Installation And Welding On BothEnds Of Cut Pipe C Installation Of 4 Nos 3 Size Ball Valves And Installation Of FlangeEarthing D Inspection And Ndt Contractor To Submit Inspection And TestPlan 11 InstallatIon Of 1 No 16 Size Ball Valves On ExistingBlock 20 16 Pipe Line A Cold Cutting AndBeveling Of Existing 16 In Line To Provide Space For 1 No 16 Size Ball ValveB Installation And Welding Of Flanges 2Nos On Both Ends Of Cut PipeC Installation Of PipE And Valve Support D Installation Of 1 No 16 Size Ball Valve And Installation OfFlange Earthing E Inspection And Ndt ContractOr To Submit Inspection And Test Plan 12 Sandblasting And Painting Of New PipeLines A Surface Preparation I All TheSurfaces TO Be Painted Must Be Prepared BySandblasting Iso 8501 1 Grade Sa 2 ToRemove All Contaminants Ii Supply OfBlasting Abrasives Sealants Cleaning Agents All ApplicableCoating Materials Application InspectionTools Equipment And All RequiredConsumablEs Including Tarpaulin And Green Mesh ToCover The Area In Order To Protect TheEnvironment From Spill Splash Of BlastingAbrasivesAnd Painting Materials Iii Abrasives Containing Garnet 30 60 Shall Be Used ForBlasting Activities And The Abrasives ShallMeet The Requirements Of Dubai Municipality SizeShall Be Adequate To Meet The SurfaceProfile Requirements Air Pressure UsedFor Blasting Shall Be At Least 90 Psig At The Nozzle Iv Manual Cleaning Using Hand And PowerTools Wherever Necessary And AtNon Reachable AreAs V Surface Should Be Free From SharpEdges Chemicals Dust Soluble Salts Grease Oil Or Any Other ContaminationPrior To CoaTing B Application Of Complete Coating InCompliance With Existing Coating I BlastCleaned Surface Shall Be Coated With OneComplEte Application Of Primer As Soon AsPracticable Or Before Any DiscolorationOccurs On The Surface Ii Applied PaintShould Have The Desired Wet Film Thickness Applicator ToCheck Wft During Application Of Coatings Iii Results Of Measurement Shall BeEntered IN The Inspection Report The Minimum Dft Of250 M Shall Be Achieved For Each CoatingOf The Complete Coating System PrimerCoat Inorganic Ethyl Zinc Silicate Dft 75 M Solids By Volume Min 58 IntermediateCoat Epoxy Polyamide Dft 125 M SolidsBy Volume Min 60 Top Coat EpoxyPolyamide Dft 50 M Solids By Volume Min44 Total Dft Minimum 250 MicronsTopcoatColor Should Be As Per The Existing ColorCode Bs 4800 08 E 53 Iv Coating ApplicationShall Be By Airless Spray Only And By BrusH Roller On Non Accessible Areas V Where Coating Is To Be Applied By BrushOr Roller Contractor To Ensure SmoothFinal Appearance With Negligible Brush Marks Left In TheApplied Coating Vi Any Spots Or Repairs InApplication Shall Be Completely CoatedBeforeThe Next Coat Is Applied Within Re CoatInterval Time Vii Repairing And RemedialWorks On Identified Defects Shall BeAccording TO The Touch Up And RepairRecommendations Of CoatingManufacturer Only Viii Over Coating ShallBe Carried Out Only After The AccepTance Of Proceeding Coat C CoatingInspections And Quality Assurance AtCompletion Of Activity I Immediately AfterSurface PrepaRation And Before Coating ApplicationSurface Shall Be Visually Inspected ByContractor Inspector In Presence Of DewaEngineer And REcorded Ii Dry Film Thickness Shall BeChecked And Recorded On The CoatedSurface For Every Coat Applied The Finaldft Should BeAbove The Minimum Required Dft 250Microns Iii Holiday Detection Shall BeCarried Out On The Cured Coating As PerDewa Engineer S Discretion Detected Holidays Shall BeRepaired And Re Inspected And All SuchDetails Shall Be Recorded Iv VisualMoisture ChecKing Shall Be Carried Out On All TheSurfaces Prior To Starting CoatingActivity V All The Identified DefectsDuring The Coating PRocess Shall Be Repaired And SurfaceShall Be Re Inspected For Compliance PriorTo Making The Inspection Reports Vi AnyNon ConforMance To This Technical SpecificationObserved During Routine Surveillance OrInspection Of Dewa At Any Stage Of WorksWill Be ConsiDered As Inadequate Knowledge AndWorkmanship Of The Contractor Vii Coating Shall Be Inspected At EveryStage For Proper Finishing Coatings Flaws Thickness And OtherDefects And Shall Be Repaired ImmediatelyPrior To Proceeding To The Next Stage OfCoating PrOcess Viii All The Repaired Defects AreSubject To Inspection And AcceptancePrior To Proceeding To Next Step Ix TheContractorShall Depute A Qualified Coating Inspector Nace Coating Inspector Level 2 CertifiedOr Equivalent Who Shall ConductInspections AnD Testing At Every Stage Of The Process AtDewa Premises And Release Issue RequiredClearance Certificates OfAcceptance Clearance TO Dewa X Method Statement DetailedProcedure Inspection And Test Plan Itp Sandblasting Machines Test Certificates Copies Of All The Inspection Tools And Equipment Calibration Certificates Blaster AndPainters Certificate Obtained From A WellReputed OrgAnization Datasheets Of All The Coatings Thinners Solvent Detergent CleanersRecommended By Coating ManufacturerAnd Contractor SHStandard Terms Conditions1 Prices Should Be Ddp Delivery Duty Paid At Dewa Stores 2 Quotation To Be Submitted Only In Local Currency U A E Dirhams3 Dewa Standard Payment Terms Is 30 Days Credit From The Date Of Acceptance Of Material4 No Dewa Staff Or His Or Her Relatives Up To Third Degree Should Have Ownership Or Partnership In Your Company And Your Participation In Dewa Tenders Rfqs Should Not Constitute A Conflict Or Perceived Conflict Of Interest

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