Tenders Are Invited For Performing Ground-Penetrating Radar Surveys To Identify The Condition Of The Ground Under The Slabs Of The Weir Of The Barrage In Włocławek

The Subject Of The Contract Is Ground-Penetrating Radar Surveys Of The Ground Under The Slabs Of The Weir Of The Barrage In Włocławek, Km 674+850 Of The Vistula River, Commune Of Włocławek, Poviat Włocławski In The Kujawsko-Pomorskie Voivodship Together With The Interpretation Of The Test Results.1.1. The Scope Of The Order Consists Of: 1/ Performing Measurements Using The Georadar Technique For The Area Under The Outburst And Dumping Slabs: Measuring Grid - 2.0 X 2.0 M. 2/ Presentation In The Form Of Documentation Of The Measurement Results Based On Information Resulting From The Processed And Interpreted Lines Surveys Along With Maps Indicating Possible Anomalies Under The Break And Surging Plates Of The Sw Weir In Włocławek.3/Development Of A 3D Model In Order To Increase The Interpretation Possibilities Of The Obtained Results.4/ The Above-Mentioned Documentation Should Be Prepared: - In Paper Version - 4 Copies - In The Electronic Version - On Electronic Information Carriers, A Pen Drive In The Amount Of - 1 Copy 5 / The Contractor Shall Provide Floating Equipment - The Tests Should Be Carried Out From A Boat. 1.2. The Research Area In Question Covers The Subsoil Along The Entire Length Of The Weir, I.E. 244 M (Appendices No. 1 And 2): A) Under The Weir Drop Plates With The Length Of The Weir Basin 24.6 M Ended With A Sill At The Ordinate 42.50 M Nnn [42.42 M Nkr60]), With The Thickness Of The Weir Break Plates - 2.4 M; B) Under The Weir Break Plates Over A Length Of 55 M, Including 30 M With A Plate Thickness Of 1.5 M, With A Slope Of 1:20, And The Next 25 M With A Plate Thickness Of 1 .0 M, With A Slope Of 1:5 And Ending At The Ordinate Of 35.0 M Nnn. 1.3. For The Duration Of The Tests, It Is Not Possible To Introduce The Procedure Of Stopping The Flow Through Sw Włocławek. The Tests Must Be Carried Out In The Conditions Of A River Flowing From The Water Surface Of A Pontoon Type Vessel. With Average Hydrological Flows On The Vistula River, Sqq = 960 M 3 /S, The Ordinate Of The Water Level (W.D.) At The Outfall And After The Weir Is Around 45 M Above Sea Level. Of The Order And In The Draft Provisions Of The Contract (Appendix 6 To The Swz).