Tenders Are Invited For Test Drilling And Boring Work-Berthold-Beitz-Boulevard 3Rd Ba Mining Security-Ost

Test Drilling And Boring Work-Berthold-Beitz-Boulevard 3Rd Ba Mining Security-Ost. In Connection With The 3Rd Construction Phase Of The Berthold Beitz-Boulevard In Essen, A Drilling-Technical Exploration Measure Was Advertised With Regard To Possible Mining Effects On The Area Surface In The Editing Area Of ​​The East Construction Section. As Part Of The Aforementioned Exploration Measure, Areas Were Found That Mining Abnormalities In Effects -Relevant Depth Areas Were Adverse And Could Thus Take Effect On The Area Surface In These Areas. Therefore, The Implementation Of A Security Measure Is Required For These Areas In Order To Restore The Permanent Level Of The Daily Surface With Regard To The Above -Mentioned New Building. It Was Thus Decided To Secure These Areas As Part Of A Supplementary Filling And Possibly Injection Measure. The Security Concept Provides For The Existing Noticeable Exploration Drilling With 3´´ Pvc Pipes To First Apply It By Means Of Presseless And / Or Low-Pressure Fulfillment. Subsequently, Control And Possibly Injection Holes Are To Be Devised In Order To Check The Filling State And Inject Possible Remaining Fermentation. The Description Of The Necessary Construction Work For The Planned Mining Security Measure Is The Subject Of This Request For The Offer. The Aforementioned Terrain Modeling And The New Road Are Not Part Of The Performance. Time Process: Start Of Construction: The Execution Must Be Started Immediately After The Order Is Granted. End Of Construction: The Services Must Be Completed Within 50 Weeks After The Start Of The Execution.