|
Bridge-Design Services – Preparation Of Technical Documentation D.A.L.I. (Including Technical Expertise) For The Objective Bridge On Dj 707A At Km 1+271 Over The Mureş River, In The Town Of Săvârşin In Arad County. At Km 1+271, The County Road Dj707 A Crosses The Mures River Near The Town Of Săvârşin. The Bridge Has Four Spans Of 39.80 M Each And A Total Length Of 175.00 M. The Bridge Was Built In 1897 And Was Consolidated In 2007, The Works Mainly Targeting The Superstructure. The Superstructure Of The Bridge Is Made Of Four Metal Decks With Two Main Girders Each With A Parabolic Lattice With A Low Track. The Support Of The Superstructure On The Infrastructure Is Done By Means Of Metal Support Devices. The Infrastructure Of The Bridge (Pillars And Piles) Is Made Of Masonry Of Hewn Stone Piers, Bound With Cement Mortar. The Carriageway On The Bridge Has A Width Of 4.20 M And Two Sidewalks With A Width Of 0.90 M Are Laid Out. Currently, From Visual Findings, It Can Be Seen That The Main Beams As Well As The Metal Spars And Mezzanines As Well As The Reinforced Concrete Plate Of The Decking Show Degradations Such As: Corrosion, Rust Spots, Exfoliation Of The Paint Layers, Local Deformations Of The Parts Due To Corrosion, Reduction Pronounced Section Of Metal Elements Due To Corrosion, Unevenness Of Structural Elements. In The Infrastructure Of The Bridge, There Are Defects And Degradations Such As: The Degradation Of The Protective Linings Of The Foundation Blocks And Significant Degradations In The Masonry, With Dislocations Of Piers At The Foundations Of The Piles, The Lowering Of The Valley With The Uncovering And Erosion Of The Foundations, Insufficient Embedment, Cracks And Cracks In The Retaining Walls, Masonry With A Dusty Appearance, Friable Masonry And Exfoliation, Washed Masonry Joints Of Infiltrations, Infiltrations And Efflorescences, The Presence Of Vegetation On The Infrastructure Elements, The Uncovering And Erosion Of Pile Foundations Is Noted. The Ramps Of The Bridge Have The Carriageway Part Made Of Asphalt, Ensuring A Width Of The Carriageway Of Approx. 5.50 M. The Asphalt Surface Has Cracks, Cracks, Tiles, It Is Aged And Porous. Also, The Carriageway On The Bridge Is Made Of Asphalt Concrete, Has A Width Of 4.20 M And Does Not Correspond To A Bridge Located On A County Road In Technical Class Iv. It Shows Cracks, Cracks, Tiling, Bulging, Pitting, Pits. According To The Technical Expertise Carried Out In 2023 By Sc Proconsinfra Srl, The Bridge Is In An Unsatisfactory Technical Condition. According To The Recommendations Of This Technical Expertise, A Maximum Tonnage Restriction Of 7.50 Tons Is Currently Being Introduced. In Accordance With The Provisions Of Article 160 Paragraph (1) Of Law No. 98/2016, With Subsequent Amendments And Additions, The Deadline By Which Any Interested Economic Operator Has The Right To Request Clarifications Or Additional Information In Relation To The Award Documentation Is A Maximum Of 20 Days Before The Deadline For Submission Of Offers, And The Deadline In Which The Contracting Authority Will Respond Clearly And Completely To All Requests For Clarification/Additional Information Is In 1
|
