Tenders Are Invited For Construction Work For Water Projects – Thai.3002 - Civil Engineering Work For Dike R ... in Germany

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Construction Work For Water Projects – Thai.3002 - Civil Engineering Work For Dike Relocation And Flood Basin. 1. Dike Relocation Aicha (Drv): • New Construction Of A Zoned Flood Protection Dike Using Earth Construction (Length Approx. 2.7 Km, Height Approx. 1.5 To 6 M) Consisting Of Zone 1 (Non-Cohesive, Calcareous Cover Layer Material, Approx. 52,900 M³), Zone 2 (Non-Cohesive Supporting Body, Approx. 85,700 M³) And Zone 3 (Cohesive Dike Base Made From Our Own Material, Approx. 53,600 M³). • Production Of An Internal Dike Seal In The Dike Axis Up To A Depth Of Approx. 14.5 M, At The Contractors Choice (Sealing Wall Or Sheet Pile Wall, Area Of ​​The Internal Dike Seal Approx. 21,600 M²). • Road Construction Work To Create The Asphalted Dike Trail (Width 3.5 M), The Dike Crown Path As A Gravel Lawn (Width 3 M), Dike Crossings (5 Pieces) As Well As Various Ramps And Connections To The Existing Path Network. • Accompanying Landscaping Work Such As Topsoil, Seeding And Mowing Work, Including Moving Sod From The Existing Aicha Dike Into The Drv (See Also Point 2). 2. Dismantling The Existing Aicha Dike: • Dismantling The Supporting Body Of The Existing South Dike Over A Length Of Approx. 1.7 Km Including Material Extraction For The New Dike Construction (Approx. 12,200 M³ Of Cohesive Material From The Surface Sealing And Approx. 30,600 M³ From The Gravelly Supporting Body). • Transferring The Topsoil To The New Drv, Partly As Sod. • Recultivation Of The Former Dike Contact Area (Approx. 18,400 M²) 3. Temporary Transverse Dike: • Construction Of An Approximately 300 M Long Transverse Dike Made Of Gravel (Approx. 13,900 M³) With A Land-Side Drainage Filter Made Of Gravel 5/56 To Maintain Flood Protection During The Construction Period. 4. Relocation Of Trench Aicha 1: • Construction Of An Approx. 1.2 Km Long Dn 1000 Trench Piping With 17 Dn 1500 Shafts (Depth Up To Approx. 5.3 M) In The Pipeline Trench With Shoring. • Construction Dewatering With Pump Sumps, Drainage Pipes Dn 300, Collecting Pipes And Two-Stage Sand Traps Accompanying The Construction Of The Trench Piping. Construction Conditions That Are Highly Dependent On Groundwater With Specified Area Prioritization And Implementation Criteria. • Filling The Pipe Zone With Liquid Soil Made From The Flood Basin Excavations Own Material (See Point 5). • Creation Of An Approx. 400 M Long Open Ditch Section (Depth Up To Approx. 2.0 M) 5. Thundorf Flood Basin: • Creation Of An Approx. 2.6 Km Long Flood Basin As A Trapezoidal Channel (Bottom Width Approx. 40 M, Slope Slope 1:3) By Excavating Earth To A Depth Of Approx. 2 M (Excavation After Topsoil Removal Approx. 78,700 M³). Use Of The Cohesive Excavated Material Partly To Create The Dike Base Of The Drv Aicha (Approx. 41,400 M³) And The Liquid Soil For The Trench Piping (Approx. 3,000 M³). Disposal Of Excess Material (Approx. 34,300 M³). • Creation Of A Network Of Green Paths In The Flood Basin (Approx. 3 Km). • Construction Of A Rectangular Culvert (1.3 M × 0.85 M, Approx. 13 M Long) In The Area Of ​​The Flood Basin • Accompanying Landscaping Work Such As Topsoil, Seeding And Mowing Work. -- Special Boundary Conditions: • Time Restriction Of Construction Activity In Relevant Construction Areas Of The Flood Basin, The Drv And The Existing Dike Within The Framework Of The Ein

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