Tenders Are Invited For Liquidation Of Deep Wells Located In The Jamy Forest District

1. The Subject Of The Order Is Geological Work, Including The Removal Of Water Facilities - Deep Wells Located In The Jamy Forest District, Along With The Preparation Of As-Built Documentation, Including As-Built Inventory Maps, And The Provision Of Specialized Geological Supervision During The Works. The Subject Of The Order Was Divided Into 3 Parts: Part Of The Order No. 1. Decommissioning Of 3 Deep Wells In The Chełmno Districta) Decommissioning Of A Water Facility - A Well With A Depth Of Ca. 29.5 M Located In The Jamy Forest District - Chełmno Forest District, Division 185A - Chełmno Poviat, Plot No. 3185, Kałdus District, Chełmno Commune, With The Coordinates Of The Water Facility In Puwg 2000: Geological During The Duration Of The Works. Expected Scope Of Works: • Disassembly Of The Well Head Along With Valves And Piping, • Disassembly Of Any Devices Installed In The Well, I.E. Pump With Pressure Pipe And Wiring, • Attempt To Remove The Filter Column From The Well, • Backfilling The Hole With Material Clay, Loam Or Other Impermeable Material In Order To Separate Possible Aquifers, • Liquidation Of The Concrete Casing Of The Well, • Backfilling The Space Remaining After The Liquidation Of The Casing With Clay Or Clay Material To Prevent Any Contaminants From Entering The Aquifer From The Surface, • Marking The Place Where The Liquidated Well Was Located With A Plaque (Witness).B) Decommissioning Of A Water Facility - A Well With A Depth Of 2.8-3.0 M Located In The Jamy Forest District - Chełmno Forest District, Division 185C - Chełmno Poviat, Plot No. 3185, Kałdus District, Chełmno Commune, With The Coordinates Of The Water Facility In Puwg 2000: Duration Of The Works. Estimated Scope Of Works: • Dismantling The Well Cover Made Of A Concrete Slab And The Well Equipment In The Form Of A Pump, • Pumping Water From The Bottom Of The Well, Unscrewing Or Cutting The Water Pipe Coming From The Bottom Of The Well, • Measuring The Depth Of The Well And The Depth Of The Water Table, • An Attempt To Remove The Filter Column From The Hole, • Pouring Sodium Hypochlorite Solution Into The Well Or Another Disinfectant To Disinfect It, And After 24 Hours, Pumping The Water From The Well • Filling The Well To Half Its Depth With Compactonite, And Above It To The Bottom Of The Concrete Rings With Any Clean Mineral Material, Compactonite Or Concrete• Dismantling Concrete Rings,• Pouring A Layer Of Approx. 50 Cm Of Sand At The Bottom Of The Well In Concrete Rings, And Then Filling It Up To A Height Of 0.3 M From The Ground Surface With Soil Lying On The Heap Near The Well (Soil From An Excavation From The Period Of Construction Of The Well )• Filling The Remaining 30 Cm With Topsoil,• Marking The Place Of The Closed Well With A Plaque (Witness).C) Liquidation Of The Water Facility - A Well With A Depth Of 2.6-2.8 M Located In The Jamy Forest District - Chełmno Forest District, Division 134F - Chełmno Poviat, Plot No. 3134/3, Rybieniec District, Chełmno Commun