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Complete Overhauling Of Ooster Pump For Jeel Ali Haa Dp Pump. Pump Details: Makedrakos Polemis, Model: Asn-Ev250-510 Capacity: 9 50 M3/Hr Head: 60M Rpm: 1450 Please Contact Mr. Noor Uddin 052-9172523 For Further Clarification. Technical Specif Ications 1.0#Introduction Duai Electricity & Water Authority Dewa Owns And Operates Potale Water Ooster Pumping Stations At Vari Ous Locations Of Duai. These Ooster Pumping Stations Along With Their Accessories Are Maintained Regularly And Taken Out Of Service In A Planned Sequence Mostly In Winter To Carry Out The Preventive Maintenance, Inspections & Overhauling Etc. 2.0#Scope Of Work T He Scope Of Work Mandatory & Optional For The Overhaul Of Ooster Pumps And Their Accessories Of Ooster Pumping Station. A#The Contractor Has To Take The Pump Assemly From Dewa Site To Their Workshop & Vice Versa. Dewa Shall Not Provide Any Transport To Shift T He Same. For Loading & Unloading Contractor Can Use Dewa Overhead Crane Availale At Pumping Stations In Coordination With The Dewa Representatives. #Mechanical Seal Replacement, Coupling Ush Renewal & Gland Packing Renewal, Earing Replacement As Required. C#Ove Rhauling Of Pump See Annexure I-Mandatory & Ii-Optional D#Painting Of Pump Externally E#Rectification Of The Pump For Any Compla Int Rose After Installation. F#If Any Part Is Found Defective, The Contractor Has To Repair/Replace The Same. Availale Spare Shall E Supplied Y Dewa. If Any Spare Is Not Availale With Dewa The Contractor Has To Arrange The Same. Additional Cost Of Spareto E Sumi Tted To Dewa For Approval Efore Placing The Order. 3.0#Prior To Sumission Of Quotation, The Following Shall E Determined Carefully: A#The Contractor Shall Visit The Site And Make Himself Fully Familiar With The Work Scope, Plant Access Facilities, Complexities, Etc., Efore Sumitting The Quotation. #Dewa Will Not Accept Any Claim For Extras Eyond The Order Rates / Prices During And After T He Execution Of Work Ordered. C#The Contractor Will E Provided With The Equipment Shutdown Program In Coordination With Operation & Maintenance Department Of Water Division. D# The Contractor Should Sumit The Time Schedule /Ar Chart Indicating Each Activity. E#On Completion Of The Work, The Inspection Checklist Of Qualityprocedures, Wherever Applicale Should E Filled In And Sumitted. F #Site Supervision, Co-Ordination Of Field Activities, Supply Of Required Technicians, Tools, Equipments, Tackles Etc. Required For Execution Of The Contract Works Shall E Suitaly Considered. 4.0#Take Over On Completion Of All Work Within The Scope Of The Contra Ct, For Acceptance Of The Maintenance Work, Contractor Shall Notify Dewa In Writing. A Certificate Of Completion Will E Issued Y Dew A On Final Inspection Only When The Contract Work Is Deemed To Have Een Taken Over Y Dewa After Necessary Condition Monitoring Check S Wherever & Whenever Required. 5.0#Warranty A#All The Work Carried Out Shall Carry A Warranty For 8000 Hours Of Operation Or 1 Y Ear Whichever Is Earlier. #The Guaranteewill Take Effect From The Date Of Takeover Y Dewa Of The Jo Carried Out Y The Contractor. C#When A Defect Is Noticed During The Period Of Warranty, The Contractor Must Rectify The Defect Within A Reasonale Amount Of Tim E Fixed Y Dewa With No Claim Or Compensation. 6.0#Documents: # On Satisfactory Completion Of The Work & Handing Over, The Contract Or Should Sumit The Following To Dewa. ## A#Inspection Report. #Overhaul Report. C#Jo Completion Repor T For Jos Other Than Routine Inspection & Overhauls D##As-Fitted# Ill Of Materials For Consumption Of Spares E#Requisition For P Lanning Of Spares Y Dewa Ased On Current Condition Of The Equipment For Which Maintenance Work Was Taken Up. Annexure # I Detail Sc Ope Of Work Mandatory For Overhaul Theooster Pump Of Pumping Station Sl.No#Activity#Remarks# 01#Dismantling Of The Pump#Dismant Ling Of The Pump As Per Dewa Engineer#S Instruction# ##Pump Shall E Removed As Per Sequence With Skilled Workmanship & Care.# 02#O Verhauling Of Pump#The Contractor Shall Dismantle The Complete Rotating Assemly At Their Workshop And Record All Findings In A Track Sheet With Photographs Of Deteriorated Components.# ##The Contractor Has To Check For Shaft Straightness And Identify Worn-Out Area S If Any. Reconditioning Of The Shaft Shall E Carried Out In Compliance With The Latest Standards & Procedures.# ##The Contractor Ha S To Check The Impeller Thoroughly For Any Reconditioning Required. # ##Earing Condition To E Checked & Replace The Earings If Required. # ##Mechanical Seal / Gland Sleeve Condition To E Checked & To E Replaced If Required.# ##Wear Rings Dimensions To E Checked Fo R Clearance & To E Replaced If Required.# ##If Any Part Is Found Defective, The Contractor Has To Repair/Replace The Same. Availale Spare Shall E Supplied Y Dewa. If Any Spare Is Not Availale With Dewa The Contractor Has To Arrange The Same. Additional Cost Of Spa Re To E Sumitted To Dewa For Approval Efore Placing The Order.# ##Pump Casing Shall E Cleaned & Inspected For Any Damages. If Requir Ed Damage Surface To E Required Y Sandlasting & Coating With Food Grade Epoxy.# 03#Assemly Of The Equipment#Assemly Of The Equipment To E Carried Out As Per Standard Procedure & Maintain The Fit & Clearance As Per Manual. # ##Dynamically Alance Therotor Assemly A S Per Iso1940/1 Alance Quality Grade G 2.5/G1.0 Wherever Possile Or Check The Alancing Of The Individual Items.# ##Prepare The Recor D For The Activities Carried Out.# ##Deviation To The Set #Values# Shall E Decided Y Dewa. # Annexure # Ii Detail Scope For Machinin G Works Optional Sl.No#Activity#Remarks# 01#Impeller Machining Works#Impeller Grit Lasting & Ndt To Find Out Any Cracks Exist# ## Impeller Skimming On Oth Sides Of Wear Ring Areas & Fix New Ring And Secure# 02#Shaft Machining Works#Shaft Chrome Plating On Earing Seating Areas & Machining# ##Shaft Chrome Plating On Mechanical Seal Seating Areas & Machining# ##Shaft Worn Out Place Metal Reuild Ing & Machining# ##Shaft End Straightening Up To 4Thou Maximum End# 03#Earinghousing Machining Works#De Earing Housing Ore Machin Ing & Resleeving # ##Nde Earing Housing Ore Machining & Resleeving # 04#Mechanical Seal Face#Machining And Repairing Of Pump Top And Ottom Casings Halves On Mechanical Seal Face# 05#Pump Casings#Skimming And Grooving Of Oth Suction And Discharge Flanges On Pump Ca Sing# 06#Consumale Accessories & Fittings#Manufacturing Of Mechanical Seal Cooling Pipe-Fittings, Shaft Lock Nut, Lock Washer And Re Taining Ring, Dowell Pins, Earing Spacer, Holding Down Olts And Earing Housing Gaskets Etc. Supply Of All Types Of O-Rings.# 7.0#Ma Chining Works: All The Machining Works Shall E Carried Out In Compliance With The Latest Standards & Procedures. Prior Approval Shal L E Taken From Dewa Engineer, Eforecarrying Out Any Kind Of Machining Works

GTN :15549893
Dubai - Dubai

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