Tenders Are Invited For Construction Work For Water And Sewage Pipelines – New Construction Of The Thiene Wa ... in Germany

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Construction Work For Water And Sewage Pipelines – New Construction Of The Thiene Waterworks, Trade 4: Civil Engineering And Outdoor Facilities. In Order To Carry Out The Construction Work, The Construction Site Facilities And A Construction Road Must Be Taken Over From The Previously Carried Out Construction Work (Excavation Pits) And Adapted Or Newly Prepared. The Container Systems Including Sanitary Facilities Must Still Be Manufactured For All Lots And Maintained Throughout The Entire Construction Period Of All Lots. To Integrate The New Systems, Various Pipelines Will Be Re-Laid, Including The Necessary Connection And Connection Work To The Existing Structure. In Total There Are: - Approx. 310 M Of Raw Water Pipes Dn 300 To Dn 350 (Pehd) Including Shaft Structures And Partial Dismantling Of Asbestos Cement Pipes Dn 300 In Compliance With Trgs 519 - Approx. 565 M Of Pure Water Pipes Dn 450 To Dn 700 (Pehd) - Approx . 50 M Sludge Water Pipe Dn 900 (Pehd) - Approx. 65 M Emergency Overflow Pipe Dn 700 To Dn 900 (Pehd) - Approx. 245 M Drainage Pipes Up To Dn 150 - Approx. 3900 M Empty Cable Pipes Up To Dn 150 (Pehd) With A Total Of 23 Cable Shafts - Approx . 70 M New Construction Of Concrete Sewer Dn 800 Including 4 Shaft Structures - Connection Of The Raw, Pure And Sludge Water Pipes To The Existing Structures/Pipes (Partly Az Pipes) - Various Other Pipes (Vacuum Pipe, Hydrant Pipe, Process Water Pipe, Clear Water Return Wastewater) - A Total Of 6 Special Structures, Including For The Drainage Of The Whg Areas And As A Pigging Station For The Raw Water Pipes. The Largest Shaft Structure Has Clear Internal Dimensions Of 3.65 X 4.30 M. Open Dewatering Including Treatment Of The Groundwater Must Be Provided For The Pipe Laying Work As Well As For Residual Water Drainage In The Waterworks And Settling Tank Construction Pits. The New Access Areas To The Waterworks, The Tailings Plant And The Energy Center Must Be Paved On The Site (Asphalt, Approx. 2,000 M²). Three Whg Areas Made Of In-Situ Concrete Will Also Be Provided For The Storage Of Water-Polluting Substances. The Surface Drainage Of The New Buildings And Street Areas Is Primarily Carried Out Superficially Using Channels And Troughs. Roof Drainage Is Also Drained Via Gutters. Concrete Channels With Grating Covers In Dn 100 To 400 Must Be Provided In The Street Area As Well As In Front Of The Entrance Area Of ​​The Settling Tank And At The Waterworks. All Gutters Have A Surface Connection To The Drainage Troughs. On The Site Of The Thiene Waterworks, Two Retention Rooms Are Planned On The Southern Edge Of The Site. The Retention Areas Are Created With An Impoundment Depth Of 0.5 M And A Slope Slope Of 1:2 To 1:5. Due To The Overall Low Permitted Flow Rate, A Common Throttle Is Provided For Both Retention Rooms In The Drainage Structure Of Retention Room 2. A Movable Throttle With Floating Body Is Installed.

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