Tenders Are Invited For Reconstruction And Replacement Of Sections Of The Water Supply Network Of Merdanya V ... in Bulgaria

Work Detail

The Water Supply Network Planned For Reconstruction In The First Stage Of The Village Of Merdanya Is According To The Attached Situation To The Ip With A Total Length Of The Routes Of 4,124.74 M, Divided Into Branches. The Branches Planned For Reconstruction In The First Stage Are: Branch 1; Kl 2; Kl 3; Kl 4; Kl 5; Kl 6; Kl 7; Kl 8; Kl 9; Kl 10; Cl 11; Kl 12; Cl 13; Cl 14; Cl 25 And Cl 26.The Water Pipes Will Be Made Of High Density Polyethylene Pipes (Hdpe), For A Pressure Of 1.0 Mpa. With Diameters F 140 – 554.27 M, F 110 – 344.86 M And F 90 – 3,225.61 M. The Pipes Will Be Laid On A Leveled And Profiled Sand Bed Of 0.10 M And Will Be Backfilled To A Level Of 0.15 M From Their Top With Sand. The Backfill Will Be Filled With A Fraction Of Crushed Stone, Ballast Or Sandy Soil. For Shaped Parts, Flanged And Glued Joints Will Be Used. Building Water Diversions Will Be Built From Hdpe Pipes With A Diameter Of Dn32 Mm. To The Adjacent Buildings And Properties, With The Corresponding Pavement Stopcock (Ptc), From The Water Pipe To The Boundary Of The Property. Fire Hydrants (Above Ground Type 80) Will Be Installed At A Maximum Of 200 M.Restoration Of The Street Pavement Will Be Carried Out After Laying The Water Pipes, And On The Streets With Existing Asphalt Pavement, Restoration Of The Street Pavement In 2 Layers Is Planned:- First (Bottom) Layer - From Asphalt Mixture, Type As 16 Bin. Bds En 13 108-1 (Binder), With A Thickness Of 6 Cm, And E=950 Mpa, Laid On A Bitumen Spill For Connection With The Base.- Second (Wearing) Layer - From Solid Asphalt Concrete, Type Ac 12.5 Ex. Bds En 13 108-1 (Binder), Type A (For Heavy Traffic), 4 Cm Thick, And E=1200 Mpa.For The Streets With Crushed Stone Paving, Restoration With The Same Type Of Paving Is Provided For The Destroyed Part Of The Lane.The Types Of Works Are According To Technical Documentation - Project, Cs And Technical Specification, Attached In The Electronic File Of The Procedure.

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