Tenders Are Invited For Modernization Of The Water Supply Network In The Łacko Commune

Part I Modernization Of The Water Supply Network In The Town Of Łącko (Ul. Nadbrzeżna), In The Road Plot No. 783. The Subject Of The Order Includes The Reconstruction Of The Water Supply Network With Connections In The Town Of Łącko (Ul. Nadbrzeżna), In The Road Plot No. 783. The Works Include The Reconstruction Of The Water Supply Network Using The Trenchless Method Using A Pe100rc Dn110 Sdr11 Pipe On Length Of Approx. 131 M And Construction Of 5 Water Supply Connections Pe100rc Dn32 Sdr11 - With A Total Length Of Approx. 16 M. Gate Valves With A Diameter Corresponding To The Pipe Diameter Should Be Installed On Each Of The 5 Connections And At The Point D1 Connection To The Network (Indicated In Annex 11 To The Swz). The Subject Of The Order Also Includes The Construction Of 1 Ground Hydrant Dn80. The Scope Of Works Includes: - Execution Of Preparatory And Earthworks, - Proper Marking Of The Work Site, - Execution Of Assembly Works, - Execution Of Infrastructure, - Execution Of Accompanying Works, - Execution Of Reconstruction Works Of Surfaces, Roads And Sidewalks, - Marking Of Valves And Hydrant. The Rebuilt Section Of The Water Supply Network Will Be Incorporated Into The Existing Water Supply Network In Łącko On Plot Possibly No. 783 Within Building No. 111 (Point D10 Indicated In Appendix No. 11 To The Swz) And On Plot No. 783 Within Building No. 215 (Point D1 Indicated In Appendix No. 11 To The Swz). The Rebuilt Section Of The Water Supply Network, Approx. 131 M Long And Ø 110 Mm In Diameter, Will Be Made Of Pe100 Rc Sdr11 Pipes. Water Supply Network Connections Should Be Made Of Pe100 Rc Sdr11 Pipes With A Diameter Of 32 Mm. Total Length Of Connections - Approx. 16 M. Pipelines Should Be Made At A Depth Of Approx. 1.7 M Below Ground Level. In Places Where The Water Supply Network Is Being Reconstructed Using The Excavation Method, A Plastic Marker Tape With A Metal Insert Should Be Used, Placed At A Height Of 40 Cm - 50 Cm (Above The Backfill) Along The Pipeline Axis. After The Pipeline Is Completed, The Water Supply Network Will Be Subjected To A Pressure Test, Flushing And Disinfection Of The Pipeline With Repeated Rinsing. The Water Supply Network And Connections Will Be Equipped With Shut-Off Gate Valves With Casings And Metal Street Boxes With Diameters Dn 100 Mm ÷ 25 Mm For The Needs Of Emergency Isolation Of Parts Of The Network. Additionally, A Ground Hydrant Dn80 - 1 Set - Has Been Designed For The Water Supply Network. Located In Point D6.1 Of Annex 11 To The Swz. The Designed Sections Of The Water Supply Network Will Be Made Of Materials Certified By The National Institute Of Hygiene Allowing Contact With Drinking Water, Which Must Be Submitted To The Employer. The Contractor Will Mark The Valve And Hydrant Locations With Signs In Accordance With Applicable Patterns. The Employer Attaches The Bill Of Quantities Constituting Annex No. 10 To The Swz, A Map Showing The Route Of The Rebuilt Section Of The Water Supply Network. Con