Tenders Are Invited For Construction Of A Sanitary Sewage And Water Supply Network In The Raszyn Commune, Divided Into Parts

Part No. 1 - Construction Of A Sanitary Sewage System In Al. Krakowska And The Access Road In Sękocin Nowy. The Pressure Sewage System Was Designed With Pehd100 Sdr11 Pn16 Pipes. Cable Connections By Butt Welding, Electrofusion Joints May Be Used When Assembling Nodes, Arches And Wells. The Network Includes Wells With A Column With A Vent And Aeration Valve That Can Be Connected To Clean The Pipeline. Wells Should Be Made Of Prefabricated Concrete Elements. Manhole Elements Connected With Gaskets Provided By The Manufacturer. In Sewer Manholes, Use Cast Iron Manholes With A Diameter Of 600 Mm, Class D400 (Full Cast Iron Manholes, I.E. Without Concrete Filling), Use Relief Rings. The Top Of The Well Manholes Is Aligned With The Elevation Of The Existing Terrain. The Scope Of Work Includes The Installation Of A Control Box With An Electric Cable Connecting The Pumping Station With The Box.