Tenders Are Invited For Trench Sheeting Work - City Of Mönchengladbach, New Building 7Th Comprehensive School - General Contractor Services Excavation, Shoring, Deep Foundation And Dewatering Including Planning Services

Trench Sheeting Work - City Of Mönchengladbach, New Building 7Th Comprehensive School - General Contractor Services Excavation, Shoring, Deep Foundation And Dewatering Including Planning Services. The Subject Of This Tender Is The Creation Of The Excavation Pit And Shoring As Well As Deep Foundations And Dewatering Including Planning Services (In Particular Lph. 5) For The 1St Construction Phase Of The Overall Project. The Excavation Pit For The Buildings In The First Construction Phase Must Be Constructed With Two Different Excavation Levels In Accordance With The Planned Height Grading Of The Basement Floors. The Deeper Area Of ​​The Excavation Pit Is Created As A Sealing Wall Using An Intersected Bored Pile Wall. It Is Planned To Integrate The Secant Bored Pile Wall Into The Tertiary Fine Sand. The Groundwater Is In A Strained Form Under The Surface Layer. To Relieve The Pressure, The Water Within The Technically Watertight Excavation Pit Is Lowered Into The Terrace Deposits (Relief Dewatering). The Higher Area Is Designed As A Sloped Excavation Pit With Open Groundwater Drainage. Due To The Existing Ground Conditions And The Expected Settlement, It Is Necessary To Create A Deep Foundation With In-Situ Concrete Bored Piles, Which Must Be Carried Out At A Time Before The Construction Pit Is Created. The Aim Of The Services To Be Offered And - In The Case Of An Order - To Be Carried Out Is The Complete Construction Of The Excavation Pit Including Bored Pile Walls As A Tight Trough, Deep Foundation And Dewatering During The Construction Period.