Tenders Are Invited For Demolition Of The Existing And Construction Of A New Bridge Over The Pijawka River Dp 1000S In Jamno, Mykanów Commune.

Demolition Of The Existing And Construction Of A New Bridge Over The Pijawka River Dp 1000S In The Town Of Jamno, Mykanów Commune. The Subject Of The Order Is The Demolition Of The Existing And Construction Of A New Bridge Over The Pijawka River Dp 1000S In The Town Of Jamno, Mykanów Commune. Basic Technical Parameters Of The Investment: Current Technical Condition Of The Bridge Structure: The Existing Bridge Carries Road Traffic Over The Pijawka River Along The District Road 1000 S In Jamno. The Bridge Is A Single-Span Structure With A Reinforced Concrete Slab Structure. A Bituminous Surface Is Laid On A Concrete Slab Both Within The Road And On The Sides Separated By Curbs. Steel Balustrades Are Built On The Edges Of The Facility. The Bridge Has Reinforced Concrete Abutments With Wings Located Parallel To The Road Axis. Basic Parameters Of The Existing Structure: Total Length 10.7 M Span 10.1 M Total Width 7.3-7.4 M Usable Width (Road) ~5.5 M Angle Of Intersection With The Obstacle ~85° Technical Parameters Of The New Bridge The New Bridge Is To Be Built In Place Of The Existing Bridge That Is Scheduled For Demolition. The Structure Should Be Constructed As A Single-Span Structure With A Monolithic Structure Of Prestressed Concrete. The New Facility Will Have The Following Parameters: Total Length Lc = 18.00 M Span Lt = 16.74 M Total Width 11.70 M Usable Width: Road 2 X 3.00 M Sidewalks 2 X 1.50 M Horizontal Light 16.0 M Load Capacity Class Ii According To [13] Slope Angle 86 Degrees Ordinate Of The Reference Water Level Q 0.5% 214.33 M Above Sea Level. Drainage Of The Bridge Through Downpipes To The Area Under The Facility Is Planned. Due To The Widening Of The Bridge, The Existing Drainage Ditch Will Be Moved Over A Distance Of 40 M: The Existing Ditch Will Be Backfilled And A New One Will Be Constructed At An Appropriate Distance From The Embankment Cone. Due To The Widening Of The Road Embankment, Retaining Walls Should Be Built In Places Close To The Existing Chapel And The Gas Network. To Ensure The Possibility Of Local Pedestrian Traffic During The Construction Of The New Bridge, A Temporary Sidewalk For Pedestrians And A Temporary Footbridge Over The Pijawka River Are Planned. A Pedestrian Footbridge With A Single-Span Steel Structure With A Wooden Deck Should Be Constructed. The Temporary Footbridge Will Have The Following Parameters: Total Length Lc = 14.10 M Span Lt = 13.50 M Total Width 3.00 M Usable Width 1.50 M Horizontal Light 10.0 M Load Capacity Pedestrian Traffic Angle Of 90 Degrees Intersection Angle With The Stream 75.8 Degrees Ordinate Of The Reference Water Level Q3% 214.21 M N P M. The Scope Of Demolition Works Includes: Due To The Construction Of A New Structure Taking Over The Function Of The Existing Bridge, It Is Planned To Completely Demolish The Existing Structure: Equipment, Span Structure And Supports Along With The Necessary Access Sections. Moreover, Due To The Relocation Of The Ditch, It Is Planned To Eliminate