Tenders Are Invited For Modernization Of Land Improvement Devices, Taking Into Account Rainwater Retention - ... in Poland

Work Detail

1. Objective Of The Investment The Subject Of The Investment Is The Renovation/Modernization Of Existing Culverts On Drainage Ditches Located In The Bobrowice Commune.2. Scope Of Investment The Planned Renovation Works Include The Execution Of A Scope Of Work That Will Significantly Improve The Technical Condition Of The Facilities, Restore Their Technical Values, Facilitate Maintenance And Ensure That The Facilities Will Be Used Failure-Free And There Will Be No Need To Introduce Restrictions. Currently, The Facilities Are In Satisfactory Technical Condition. This Technical Condition Is Influenced By Progressive Unfavorable Phenomena Consisting Mainly In Small Displacements Of Concrete Rings And Significant Silting, Which Mainly Leads To Deformations On The Surface Of The Road, Crossings And Limited Water Flow Efficiency. In Order To Stop The Worsening Unfavorable Phenomena Occurring In The Facilities, It Is Planned To Replace Them With Hdpe Polyethylene Pipes, Min. Sn8 With The Same Nominal Diameter As The Existing Sleeve Pipe.3. Description Of The Existing Condition 3.1. Janiszowice Plot No. 251The Existing Facility Is Located On A Drainage Ditch In The Town Of Janiszowice In The Bobrowice Commune. In The Ditch There Is A Culvert Approximately 7.00 M Long With A Diameter Of 600 Mm, Not Limited By End Walls. The Slopes Within The Culvert Are Overgrown With Grass, And The Culvert Clearance Is Limited To Approximately 5% Of The Total Value. The Roadway Above The Facility Is A 5.00 M Wide Dirt Road Paved With Crushed Aggregate. 3.2. Chromów Plot No. 122The Existing Facility Is Located On A Drainage Ditch In The Town Of Chromów In The Bobrowice Commune. In The Ditch There Is A Culvert Approximately 8.00 M Long And 600 Mm In Diameter, Limited By End Walls. The Slopes On The Outlet Side Are Covered With Tall Grass, While On The Inlet Side They Are Covered With Bushes. The Roadway Above The Facility Is A 6.00 M Wide Dirt Road Paved With Crushed Aggregate. 3.3. Bobrowice Plot No. 746The Existing Facility Is Located On A Drainage Ditch In Bobrowice In The Northern Part Of The Plot. In The Ditch There Is A Culvert Approximately 7.00 M Long With A Diameter Of 600 Mm, Not Limited By End Walls. The Slopes On The Inlet And Outlet Sides Are Overgrown With Grass, And The Culvert Clearance Is Limited To Approximately 50% Of The Total Value. The Roadway Above The Facility Has The Structure Of An Unpaved Municipal Road With A Width Of 6.00 M. 3.4. Bobrowice Plot No. 726The Existing Facility Is Located On A Drainage Ditch In Bobrowice. In The Ditch There Is A Culvert About 5.00 M Long, 600 Mm In Diameter, Not Limited By End Walls. The Slopes On The Inlet And Outlet Sides Are Covered With Grass, And The Culvert Clearance Is Limited To 40% Of The Total Value. The Road Above The Facility Has A Bituminous Surface 3.00 M Wide. 3.5. Bobrowice Plot No. 728 – 2 Pcs. The Existing Facilities Are Located On Drainage Ditches In Bobrowice. In The Ditches There Are Culverts App

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