Tenders Are Invited For Expansion Of The Water Treatment Plant By Constructing Water Facilities As Part Of T ... in Poland

Work Detail

1. The Subject Of The Order Is The Construction Of: - A Replacement Well Hole No. 2A With Reinforcement, - An Additional Well Hole No. 4 With Reinforcement - Liquidation Of The Used Well No. 2, Located In The Area Of The Groundwater Intake From Neogene-Miocene Formations In The Town Of Skoroszyce At The Water Treatment Station. As Part Of The Task, It Is Planned To Expand The Water Treatment Station In Skoroszyce By Constructing Water Facilities: A Facility Used For Abstracting Groundwater, I.E. Replacement Well No. 2A And Additional Well No. 4, And Liquidation Of The Facility Used For Abstracting Groundwater, I.E. Well No. 2. Hydrogeological Well No. 2A And 4 Will Be Drilled With A Drilling Set Adapted For Ship-Impact Drilling With An Initial Diameter Of Casing Pipes Of Ø 610 Mm To A Depth Of 25.0 M Below Ground Level, With A Diameter End Of Protective Pipes Ø 508 Mm To A Depth Of 53 - 54.0 M Below Ground Level In Addition, Due To The Initial Drilling Diameter, A Drilling Rig Adapted To Drilling With An Initial Diameter Of 610 Mm = 20 Inches With Adapted Clamps And A Plate For 610 Mm Pipes Will Be Used. Decommissioning Works Of Well No. 2 Will Be Carried Out By Attempting To Remove The Filter Column Ø 292/356 Mm By Using A Crane Or A Drill Pear. An Attempt Will Then Be Made To Remove The Ø 508 Mm Conduit Sets. The Decommissioned Hole Will Be Filled With Materials Intended For Decommissioning In Accordance With The Sequence Of Geological Layers. The Constructed Replacement Well Hole No. 2A And 4 Will Be Reinforced With A Surface Casing Made Of Polyester Laminate With Stainless Steel Fittings Dn 100, A Submersible Pump And Pressure Pipes Made Of Stainless Steel Dn 100, Along With A Water Supply Connection Made Of Pehd Pipe Dn 110 Leading Out Of The Concrete Base Of The Casing And Connecting It To The Existing Network And A Culvert For Power Cables. (Apart From The Concrete Base Of The Casing).

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