Tenders Are Invited For Architectural, Construction, Engineering And Inspection Services – City Of Gedern - Procurement Of Property Planning Services For Open Spaces In The Area Of ​​Water Retention And Renaturation

Architectural, Construction, Engineering And Inspection Services – City Of Gedern - Procurement Of Property Planning Services For Open Spaces In The Area Of ​​Water Retention And Renaturation. The City Of Gedern Intends To Gradually Procure Property Planning Services For Open Spaces To Renaturate Rivers And Create Water Retention Areas, Create Borders And Hedges, Unseal The Water Flow Of A Stream And Set Up Benches To Relax In At Various Locations (Cf. Measures 1.0, 2.1, 2.2, 3.0 And 6.0 In Detail). The Aim Is To Increase Biodiversity, Cool The Ambient Air (Including Through Evaporation Of Water On Retention Areas), Generate Groundwater Recharge And Protect Against Heavy Rain Events. To Achieve This, Streams That Were Once Straightened Should Be Renatured. To Reduce The Flow Speed, Several Stream Loops Should Be Created, Ditch Pockets And Hollows Created, And Hydraulic Stones And Dead Wood Installed. At The Upper End Of The Measures, A Natural Narrowing Should Be Created So That The Newly Created Biotope Water Can Fill Up When The Water Level Is Higher (Above Middle Water). The Body Of Water Should Receive A Retention Facility. This Ensures Temporary Water Retention Of Several Hundred Cubic Meters Per Measure. The Water Flow Should Run Back Into The Streams Via Several Cascades With Smaller Biotope Ponds. The Water Environment Is To Be Designed To Be Close To Nature Over An Area Of ​​Several Thousand Square Meters And Removed From Management. Valuable Biotopes Should Be Created To Increase Biodiversity. The Systems Are Intended To Supply Rainwater To The Surrounding Cultivated Areas, Increase Air Humidity, Reduce Local Temperatures And Improve Flood Protection. The Award Is Made In Stages. First, Service Phases 1 And 2 Are Commissioned; Optionally, Service Phases 3 And 4 (Commission Level 2), 5 To 7 (Commission Level 3), 8 (Commission Level 4), And 9 (Commission Level 5) Within The Meaning Of Section 39 Paragraph 4 Hoai) Are Then Called Up. There Is No Entitlement To Commissioning The Optional Commissioning Levels Either In Whole Or In Part. For The Rest, See Tender Documents, In Particular The Service Description.