Tenders Are Invited For Plugging Back Filling Existing Well

Quotation Are Invited For Plugging Back Filling Existing WellPlugging Back Filling Exist 1032200895Rfx DescriptionPlugging Back Filling Existing Well Well Id N3 03 At Nazwa WellField Area With Bentonite Pellets Or Suitable Method And Removal OfFoundation Scrap To Dubai Municipality Scrap Yard1 Item 00001 Plugging Back Filling Existing Well WellId N3 03 At Nazwa Well Field Area WithBentonite Pellets Or Suitable Method AndRemoval Of Foundation Scrap To Dubai MunicipalityScrap Yard Well Plugging Steps MakingSure That The Proper Equipment AndMaterials Are On Hand Will Make The Job Much Easier Quicker And Effective Step 1 Measure TheDimensions Of The Well Measurements MustBe Taken Of The Well Diameter Depth And WaterLevel Accurate Measurements NotEstimates Will Allow The CorrectCalculation Of The TotalWell Volume And The Volume Of Water InThe Well This Information Is Needed ToDetermine The Amount Of Materials NeededFor Plugging Remember That Volume CalculationsDepend On The Shape Of The Well MostWells Are Cylindrical However Some Have Other Shapes ThaT Must Be Considered For AccurateCalculation Of Volume Step 2 Remove AllObstructing Materials From The Well Making Sure ThatFill Materials Do Not Slump Or Settle IsCritical Therefore Obstructions That MayCause Incomplete Filling Of The Voids MustBe ReMoved Remove The Pump Rods Pipes AndAny Other Equipment From The Well Floating Debris Such As Wood Staves AlsoShould Be RemoVed One Method Used To Accomplish DebrisRemoval Is Flushing If Water Is Pumped IntoThe Well Floating Debris Will Move To TheToP As The Well Fills With Water Flushing MayNot Be Possible With Larger Diameter WellsDue To The Volume Of Water Required InAnyEvent As Much Debris As Possible Must BeRemoved From The Well Before Plugging Initial Well Plugging Steps IncludeAccurate MeasurEment Of The Well Dimensions And RemovalOf All Obstructions Step 3 Disinfect TheWell By Adding Household Bleach All WellsConTaining Standing Water Must Be DisinfectedTo Kill Existing Microorganisms This Can BeAccomplished By Adding Chlorine Bleach AtThE Rate Of 1 Gallon Of Bleach For Every 500Gallons Of Water And Is Equivalent To A Shock Chlorination Concentration Of 100Parts PEr Million Of Chlorine The ChlorinationProcess Ensures That Disease CausingMicroorganisms Are Not Sealed In TheAquifer The ChloRination Procedure Disinfects The Well SoThat Disease Causing Microorganisms AreNot Sealed In The Aquifer After The Well IsPluggeD Step 4 Fill The Well With Plugging Materials Plugging Always Starts FromThe Bottom Of The Well The ExactProcedure For Plugging Will Depend On WellConstruction Depth Diameter AquiferType Availability Of Materials And The LevelOf Protection ReqUired Step 5 Remove The Upper 3 Feet OfThe Well Casing This Step Never Should BeDone Before The Fill Material Is Within 3 FeeT Of The Surface Upper Casing Removal IsParticularly Important If The AbandonedWell Site Is Farmed Removing The Upper 3Feet OfCasing Eliminates Potential Damage ToTillage Equipment Step 6 Fill The Final 3Feet With Topsoil And Mound Shaping TheSite Is Necessary To Prevent Ponding Of WaterOver The Plugged Well Topsoil Should BePacked Into The Well And Mounded Up To 1 Feet OverThe Site Mounding Will Help Direct Surface Water Away From The Site And Also WillHelp Absorb Any Settling Of Fill Materials SteP 7 Removal Of The Existing ConcreteFoundation And Scrap To Municipality ScrapYard 1 EaStandard 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

Refer document

FileName	File Description
Global Tender Document	Tender Notice