Tenders Are Invited For 22 009 09 Steel Construction: Steel Substructures With Construction Crane Operation And Construction Site Equipment

The Tender Includes The Creation And Assembly Of A Steel Substructure Made Of Heb200 Beams With A Steel Ring Made Of U180 Profiles, The Lifting Of The Tower Onion And Placement On A Steel Frame Substructure Made Of Heb140 Beams With The Necessary Supports (Steel Plates On Lean Concrete) And Position Securing (Concrete Elements). Included Is The Small Construction Site Equipment Required For This (Barriers, Guide Beacons, Traffic Regulations). A Steel Substructure In The Existing Building Must Be Dismantled And Disposed Of. Towards The End Of The Construction Work, The Tower Bulb Must Be Lifted Back Onto The Perlach Tower And A Substructure For The Bells (Flat Steel 120X15) Must Be Installed. The Local Constraints And Difficulties Are Pointed Out: The Construction Site Is Located Within The Pedestrian Zone (Environmental Zone, Overhead Lines, Application For Parking Concessions, Vandalism,) And Is Surrounded By Listed Buildings (Requirements: Low Noise And Vibration).