Tenders Are Invited For Internal External Coating Of Booster Pump Casing For Najma Pumping Station Ph I

Tender Detail

37165294
2332100237
Self Funded
Tenders Are Invited For Internal External Coating Of Booster Pump Casing For Najma Pumping Station Ph I
ICB
Western Asia
Arab World,Gulf Cooperation Council, GCC,Middle East,Middle East and North Africa, MENA
08-02-2021

Work Detail

Quotation Are Invited For Internal External Coating Of Booster Pump Casing For Najma Pumping Station Ph I Job1032100245 Internal External Coatinrfx Description Internal External Coating Of Booster Pump Casing For Najma Pumping Station Ph I Pump Details Make Goulds Model 3410 Size 12 14 15 Capacity 1136 5 M3 Hr Rpm 1500 Internal External Coating Of BoosterPump Casing For Najma Pumping Station Ph I Pump Details Make Goulds Model 3410 Size 12 14 15 Capacity 1136 5 M3 Hr Rpm 1500 PleaseContact Mr Fazalu 04 3229457 For FurtherClarifications Scope Of Works SpecificAtion For Internal Coating Of Pumps Valves General These Pumps ValvesAre Used In Water Booster PumpingStations The FlUid Handled By These Pumps Is PotableWater Of Maximum Temperature Up To 50 0C Normally The Water Is Clean But Some TimeIt Is NotiCed To Have Sand And Solids In Stream FromPipeline These Pumps Are In Operation SinceCommissioning Of The Station Scope OfWorK Collection Transportation TheContractor Shall Collect The Pump CasingThrough Suitable Pickup Crane MountedTruck From Ems Workshop At Aweer The Contractor PickupShall Have Suitable And Safe LiftingSling Belt Of Sufficient Load Capacity Loading And UnloAding Of Pump Casing To Be Carried Out ByContractor Surface Preparation BeforeApplying Any Coating The Contractor HasTo Do NEcessary Surface Preparation By Sand OrGrit Blasting Or Any Other SuitableMechanical System To Remove All Rust Loose Materials After Sand Blasting The Contractor Has ToIntimate Dewa Engineer For Inspection OfThe Surface Before Applying Any Coating During SAndblasting It Is Required To Protect AllMachined Surface Seat Area And All OtherCritical Areas And Parts From Damage BySuitable Method Buildup Filling Of Erroded PittedSurface The Supplier Has To BuildupEroded Surface By Suitable Composite MaterIals Up To Original Level Before ApplyingAny Coating The Composite Material ShallHave The Following Properties TheCurried CoMposite Must Be Suitable For ContinuousImmersion In The Following Chemicals At 210C 70 0F Ferric Chloride 10 Hydrochloric AciD 10 Sulfuric Acid 5 Nitric Acid 50 Sodium Hydroxide And 28 AmmoniumHydroxide The Composite Shall Show NoBlisters When EXposed To De Mineralized Water In An AstmC 868 Corrosion Test At 43 0C 110 0 F For AMinimum Period Of 6 Months Adhesion OfThE Composite Per Astm D1002 Shall BeGreater Than 183 Kg Cm2 2 600 Psi TheCurved Composite Must Meet Or Exceed TheFollowing PhySical Requirements Compressive Strength Astm D 695 914 Kg Cm2 13 000 Psi Tensile Strength Astm D 638 431 Kg Cm2 6 136 Psi Flexural Strength Astm D 790 620 Kg Cm2 8 800 Psi Flexural Modulus Astm D 790 6 9 X104 Kg Cm2 9 87 X 105Psi During ThE Phases Of Surface Preparation Application And Curing EnvironmentalConditions Will Require CarefulMonitoring And May Require SUpplemental Controls Critical Areas OfConcern Are Relative Humidity Dew Point Surface Temperature Of The Substrate And Air PuriTy Contractor Shall Carryout All TheProcedures In A Controlled Environment InAccordance With The Latest Standards AndProcedures Final Internal Coating After SurfacePreparation And Filling Up The ErodedSurface It Is Required To Apply The Ceramic Reinforced Composite Materials For FinalCoating The Composite Coating MaterialsShall Have Following Properties TheCured Composite Must Be Suitable For ContinuousImmersion In The Following Chemicals At210C 700F Ferric Chloride 10 Hydrochloric Acid 10 Sulfuric Acid 5 Nitric Acid 50 SodiumHydroxide And 28 Ammonium Hydroxide The Composite Must Exceed 10 000 Hrs In AnAstM B 117 Salt Fog Test Scored With No SignsOf Under Film Corrosion At The Score The Composite Must Pass Astm G 8Cathodic DisbAndment Test For Not Less Than 60 Days The Composite Shall Show No BlistersWhen Exposed To Demineralized Water In AnAstm C 868 Corrocell Test At 430C 1100F For AMinimum Period Of 6 Months Adhesion OfThe Composite Per Astm D 4541 Shall BeGreater Than 140 Kg Cm2 2 000 Psi The LinearCo Efficient Of Thermal Expansion Astm C531 Shall Not Exceed 5 0 X 10 5 Cm Cm 0C 2 8 X 10 5 In In 0F Thickness Of Coating 800 1000Microns Surface Finishing Of The CoatingShall Be Smooth Glass Surface Finished AnD Abrasion Resistant The CuredComposite Must Meet Or Exceed TheFollowing Physical Requirements Compressive StreNgth Astm D 695 844 Kg Cm2 12 000 Psi Tensile Strength Astm D 638 240 Kg Cm2 3 420 Psi Flexural Strength Astm D 790 562 Kg Cm2 8 000Psi The Composite Shall BeAuthorized For Usda Application ForIncidental Food Contact The Composite IsReqUired To Have Potable Water CertificationFrom International Local Authorities Wras Water Regulatory Advisory Society External Coating Epoxy Powder Coating In BlueColour At Least 300 400 Micron Thick ForBoth Pumps And Valves All NecessarySurfaces Preparations To Be Done Before Coating Warranty The Supplier Has To ProvideAt Least 24 Months Of Service Warranty AgAinst Any Damage Defects For The Coating If The Coating Is Found To Fail Within ThisPeriod The Supplier Has To Recoat TheEquipmeNt At Free Of Charge To Dewa MethodStatement The Supplier Has To ProvideMethod Statement Of Coating And MaterialDetails Along With Their Offer For TechnicalEvaluation And Approval Inspection AtSite Before Delivery Of CoatedPumps Valves The CoaTing Works To Be Inspected By DewaEngineer At Supplier Workshop For FinalAcceptance Contractor Shall ProvideWith All Required NEcessary Inspection Tools As Required OnSite Reports Documents DuringDelivery The Following Documents To BeSubmit Ted 1 Material Data Sheet 2 Photo OfCasing Before And After Coating 3 WarasCertificate For Coating Materials 4 AllTest REports Standard 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

Key Value

Tender Value
Refer document

Attachment

FileName File Description
Global Tender Document Tender Notice
Attachments
Additional Details Available on Click
✓ Tendering Authority
✓ Publication Document
(Tender Document / Tender Notice )
Disclaimer :
We takes all possible care for accurate & authentic tender information, however Users are requested to refer Original source of Tender Notice / Tender Document published by Tender Issuing Agency before taking any call regarding this tender.
Tell us about your Product / Services,
We will Find Tenders for you

Copyright © 2024 · All Rights Reserved. Terms of Usage | Privacy Policy

For Tender Information Services Visit : TenderDetail