Tenders Are Invited For Construction Of The Street Cypressowa In Owczarnia On The Section From Ul. Książnicka To The Village Community Center Along With The Construction Of A Sanitary Sewage System

The Subject Of The Contract Includes: Task 1. Construction Of Ul. Cypressowa In Owczarnia On The Section From Ul. Książenicka To The Village Community Center. 1) Dn 1200-1400Mm Wells Made Of Reinforced Concrete Rings, Alternating Manhole Steps In Accordance With P.T., 2) The Lowest Level Of The Manhole Steps Must Be No Higher Than 0.5 M From The Bottom Of The Well; Since No Insulating Coating Will Be Used On The Wells, The Class Of Concrete From Which The Rings Will Be Made Is To Have A Strength Of ≥ 40 Mpa, Water Resistance W-12, Water Absorption And Frost Resistance F-150, 3) The Steps Should Be Made Of Cast Iron, However, Due To The Difficult Availability Of Wells With Such Equipment, Steel Steps With An Anti-Corrosion Plastic Coating Are Allowed. In The Event Of Damage To Such A Coating, The Contractor Will Be Obliged To Replace The Damaged Step; 4) Ceiling Slabs On Full Manholes (1.2-1.4 M) Tightly Connected To The Rings; Flat Ceiling Slab (Not Conical); It Is Allowed To Install Up To 3 Adjusting Rings Between The Ceiling Slab Of The Well And The Manhole, I.E. So That It Is Possible To Safely Enter The Well And Place Ones Foot On The First, Highest Manhole Step;5) Manholes On Manholes Located In The Roadway Intended For Motor Vehicles, Made Of Cast Iron With Concrete Filling, Ventilated, Without Closure And Hinge, With A Damping Insert Between The Sleeve And The Cover, Class D400kn; Damping Insert Mounted In A Way That Does Not Cause It To Fall Out When Opening; 6) Street Inlet With A Cast Iron Grill, Tilting Insert On A Hinge, With A Latch, Load Capacity Min. Class D400kn; Grill Installation In The Direction Of Travel, Top On A Relief Plate; Linear Drainage With A Cast Iron Grate, Class D400, 20 Cm Wide, Screwed7) Drainage Pipes With A Minimum Peripheral Strength Class Of Sn8, Perf. 220°, Geotextile Class 200; Pvc Sewage Pipes, Min. Endurance Class Circuit Sn8; The Use Of Bends To Change The Direction Of The Connection With An Angle Greater Than 45° Is Not Allowed On The Outflows Of A Linear Drainage System. 8) Aggregates Used For Backfilling Drainage Pipes (Gravel 16-31.5 Mm) And For Infiltration Wells (Gravel 31.5-64 Mm) Are Subject To Inspection For Cleanliness; 9) Securing Tree Trunks That Remain, Secure The Tree Trunk With Soft Material (Straw Or Geotextile) And Decking, Securing It With Wire; 10) Making Film Documentation Of The Road Section Of The Street. Cyprysowa, Especially Private Fences, On The Day Of The Official Introduction To The Construction Site And Handing It Over To The Employer On A Pendrive; Task 2. Construction Of A Sanitary Sewage System In Owczarnia With Branches Within The Road Rights-Of-Way And Design And Construction Of The Missing Branches Of The Sanitary Sewage System - Ul. Cyprysowa As Part Of The Investment Task Design And Construction Of A Sanitary Sewage Network In Owczarnia 1) Construction Of A Gravity-Pump Sanitary Sewage System With Sewage Branches Within The Road Right-Of-Way Of Part Of Ul. Cyprysowa In