Tenders Are Invited For Street Drainage - Renovation, Maintenance And Cleaning In 2026

Execution Of Street Drainage Works - Modernization, Renovation, Maintenance And Cleaning, And Construction Of New Drainage Devices In The Łomianki Commune, The Scope Of Which Includes In Particular: 1) Cleaning Storm Inlets From Silt And Other Contaminants, Together With A Sewerage System With The Removal And Disposal Of Contaminants, Together With A Geodetic Inventory Of The Location Of The Inlets. 2) Cleaning The Absorption Wells From Silt And Other Contaminants From Removal And Disposal Of Contaminants.3) Cleaning Inspection Wells Of Silt And Other Contaminants With Removal And Disposal Of Contaminants.4) Cleaning Of Silt And Other Contaminants From Rainwater Channels With Removal And Disposal Of Contaminants, Post-Construction Inspection (Inspection Camera).5) Carrying Out A Control Inspection Of Rainwater Channels (Inspection Camera).6) Cleaning Of Silt And Other Contaminants From Linear Drainages With Removal And Disposal Of Contaminants.7) Cleaning Of Silt And Other Contaminants From Roadsides Paved With Openwork Concrete Slabs (Removal And Cleaning Of Openwork Slabs, Replacement Of Material For The Permeable Layer, Re-Arranging The Slabs, Replenishing Aggregate/Gravel, Removal And Disposal Of Contaminants).8) Cleaning Of Silt And Other Contaminants From Roadside Ditches Without Disturbing The Ditch Slope With Removal And Disposal Of Contaminants.9) Cleaning Silt And Other Contamination Of Roadside Ditches With Profiling Of The Ditch Slope With Removal And Disposal Of Contamination.10) Cleaning The Oil Separator Up To 4 M3.11) Cleaning The Oil Separator From 4 M3 To 7 M3.12) Replacing The Coalescing Filter.13) Drainage Installation - Perforated Drainage Pipe Diameter 200 Covered With Aggregate 16-63 In A Trench 40-60 Cm Wide, Wrapped With Needle-Shaped Geotextile, Trench Up To 1.00 M Deep.14) Construction Of Drainage - A Ditch Filled With 16-63 Aggregate Wrapped In Needle-Shaped Geotextile, Trench Up To 1.00 M Deep.15) Construction Of An Inspection Well From Concrete Rings Made Of Concrete Rings Connected On Mortar And Bentonite Seal With A Diameter Of 1000 Mm And A Depth Of 2 -2.5 M, Monolithic Bottom Made Of C12/15 Concrete, 25 Cm Thick, A D400 Class Manhole Flush With The Terrain, Restoration Of The Area To Its Original Condition.16) Construction Of A Sewer For An Absorption Or Inspection Well From A Pvc Pipe With A Diameter Of 160 Mm, Restoration Of The Area To Its Original Condition. Primary.17) Construction Of A Drainage Element From A Solid Pipe With A Diameter Of 160 - 200 Mm, Min. Sn8, Soil Compaction, Restoration Of The Area To Its Original State.18) Construction Of A Sewage Well With A Cast-Iron Inlet And Sedimentation Tank, Restoration Of The Area To Its Original Condition.19) Construction Of A Linear Concrete Drainage System, Width 200 Mm, D400, H100, With A Cast-Iron Cover.20) Construction Of A Kerbside Drain 20-30 Cm Wide From Concrete Cubes 8 Mm Thick Cm Or Ready-Made Concrete Elements On The Ballast With Filling Of Joints.