Tenders Are Invited For Construction Of A Sanitary Sewage System In Serock Ul. Orla

1) The Subject Of The Order Is The Construction Of A Sanitary Sewage System With Sewage Connections In Orla And Warszawska Streets In Serock, On Plots With Registration Numbers 59/4, 43/11, Precinct 14 Serock, Commune. Serock, In Accordance With The Design Documentation Prepared By Ruroprojekt Jacek Obidziński, Ludwinowo Zegrzyńskie 57, 05-140 Serock.2) In Detail, The Subject Of The Order Includes: A) Construction Of A Gravity Sanitary Sewage System Made Of Pp Ø315 Pipes With A Total Length Of L = 402.0 M And Of Pp Ø160 Pipes With A Total Length Of L = 42.5 M, Including 12 Concrete Manholes Dn1200. Note: The Employer Allows For Changes In The Technology Of Performing Works In Ul. Warszawska From Narrow Open Excavation To Trenchless Technology (E.G. Directional Drilling, Microtunneling) Along With Changing The Type Of Pipes To Vitrified Clay Or Reinforced Concrete Jacking Pipes. The Possibility Of Changing The Technology Of Performing The Works Will Be Conditional On The Prior Consent Of Mpwik In The Capital City Of Warsaw And The Agreement On Replacement Documentation. In The Case Of Works In Ul. Warszawska Using The Open Excavation Method, The Contractor Will Be Obliged To Secure The Excavations In The Form Of Sheet Pile Walls Pressed Into The Ground Using, For Example, Steel Sheet Piles Intended To Protect The Structural Layers And The Road Surface Of The Street. Warszawska. B) Construction Of 12 Sanitary Sewage Connections To Twelve Single-Family Residential Buildings From Pp Pipes Ø160; Nine Ppø425 Wells And Three Dn 1000 Concrete Wells Should Be Constructed Along The Connection Route. C) Restoration Of The Surface And Tidying Up The Area After The Construction Of The Sanitary Sewage System; The Construction Site Must Be Restored To Its Pre-Construction Condition; In The Street Orlej, The Contractor Is Obliged To Recreate The Surface On The Entire Section And The Entire Width Of The Road Using The Existing Technology While Maintaining The Currently Used Construction Solutions (Thickness Of The Surface Reconstruction Layer - Min. 8 Cm); (If The Occupation Of The Road Lane Will Affect Road Traffic Or Limit Visibility On The Road, The Application For The Occupation Of The Road Lane Must Be Accompanied By An Approved Temporary Traffic Organization Plan For The Duration Of Works In The Road Lane Of The Public Road - Ul. Warszawska). As Part Of The Indicated Works, Complete Curbing Of The Exit Surface Should Be Performed (12X25 Stop On A Concrete Footing With Stop) And The Following Construction Layers: Subsoil, Drainage Layer Of Sand, Thickness 10 Cm, Substructure Made Of Crushed Aggregate 0/31.5 Mm, Mechanically Stabilized, Thickness. 20 Cm, Cement-Sand Backfill, Thickness. 5 Cm, Wearing Course - Holland Concrete Cubes, Thickness. 8 Cm, Gray Color. Dimensions Of The Exit: Road Width - 5.0 M, Connection Of The Exit With The Road Rounded With A Circular Arc With A Radius Of R = 3-5 M, Area Approximately 35 M2. E) Reconstruction Of Infrastructure An