Tenders Are Invited For Water-Well Drilling – Construction Work For Extraction Wells, Well Connection And Infiltration Pipes, Seepage Slots

Water-Well Drilling – Construction Work For Extraction Wells, Well Connection And Infiltration Pipes, Seepage Slots. The Db Is Planning To Convert The Frankfurt(M) Stadium Railway Junction. In Order To Redesign The Railway Junction, Measures To Ensure The Drinking Water Supply For The Goldstein Waterworks In The Frankfurt (Main) City Forest Must Be Implemented (So-Called Replacement Water Procurement Measure). The Subject Of The Award Is The Following Construction Work In The Water Protection Area (Wsz Ii And Iii) Of The Frankfurt City Forest: - Dismantling Four Sampling Wells In The Bird Corridor. - Construction Of Five New Extraction Wells In The Vogelschneise (Including 2 Shallow Wells Up To A Depth Of 66 M And Possibly 3 Deep Wells Up To A Depth Of 112 M). - Laying An Approx. 2 Km Long Dn 200-500 Ggg Well Connection Pipe Between The New Extraction Wells And The Goldstein Waterworks Using An Open Construction Method Using The Head-On Method. The Planned Route Crosses The Deutsche Bahn Tracks Twice. - Creation Of Two Railway Crossings In Pipe Jacking With Protective Pipe Dn 1200 (Crossing Structures Well Connection Pipe). - Construction Of Three Seepage Slot Structures (Approx. 90 M Each) In The Tyrolean Corridor. - Laying An Approx. 1.6 Km Long Dn 400 - Dn 200 Ggg Infiltration Supply Line As A Branch From The Existing Dn 600 Infiltration Line In Flughafenstrasse To The Seepage Slot Structures In The Tyrolean Corridor Using Open Construction Using The Head-On Method. - Creation Of 7 Groundwater Measuring Points In The Project Area.