Tenders Are Invited For Surface Work For Streets - Reconstruction Of A Roundabout At St. St. Cyril And Methodius St. And Construction Of A Connecting Street With Republic Road Ii-63.

Surface Work For Streets - Reconstruction Of A Roundabout At St. St. Cyril And Methodius St. And Construction Of A Connecting Street With Republic Road Ii-63.. With The Current Awarding Procedure, The Selection Of A Contractor Should Be Ensured, Through Which A Complete, Complex Solution To An Infrastructure Issue For The Site Can Be Achieved: Reconstruction Of A Roundabout At St. St. Cyril And Methodius Street And Construction Of A Connecting Street With The Republican Road Ii-63. Currently, The Intersection Of Georgi Rakovski Street With Petko Karavelov Street Is A Roundabout. The Roundabout Is Irregular In Shape. It Was Built That Way Due To Situational Constraints. The Operational Condition Of The Road Pavement Is Unsatisfactory With Numerous Defects And Damages On It. Adjacent Sidewalks Are Amortized And Will Be Replaced. Road Markings And Vertical Signaling Are Insufficient For Normal And Safe Organization Of Traffic. The Construction Of A Newly Designed Street Connecting The Intersection With St. St. Cyril And Methodius Street Is Planned. There Are No Partial Road Constructions Except For The Last 50M To St. St. Cyril And Methodius Street, Where There Is Industrial Slag. The Route Of The Newly Designed Street Passes Through Land That Was Occupied By Industrial Enterprises In The Past. These Enterprises Have Been Destroyed And Currently The Land Is Filled With Construction Debris Materials. There Is A High Probability That Foundations And Slabs Of Buildings Will Be Discovered During The Excavation Work, Which Must Be Removed, Or Cavities From Underground Rooms Will Appear, Which Must Be Filled. Stage 1: Construction Of A Roundabout The Design Decision Envisages The Construction Of A Roundabout With A Constant Radius, Which As Far As Possible Fits Into The Existing Roundabout. The Lanes Of The Inbound Branches Of The Intersection Will Be 3.25M To 4.5M Wide. The Outbound Branches Will Vary From 3.25M To 4.5M. The Radii Of The Internal Curves Of The Individual Branches Are Planned To Be 6M. Up To 12 M. The Following Road Surface Is Planned For Heavy Load: Complete Reconstruction And Construction Of A Roadway On Areas That Until Now Did Not Fulfill Such A Function (Sidewalks, Green Areas): • Dense Asphalt Concrete Type A E=1200Mpa H=4Cm • Asphalt Concrete For The Lower Layer Of The Coating (Binder) E=1000Mpa H=4Cm • Upper Base Layer Of Bituminized Crushed Stone E=800Mpa H=12Cm • Lower Base Layer Of Crushed Stone With Continuous Grain Size (0-63) E=350Mpa H=40Cm • Ground Base Compacted To 30Mpa It Is Performed In The Following Sections: - Roundabout Canvas On Areas That Have Not Performed Such A Function Until Now; - Entrance/Exit Of A New Street Connecting The Intersection With St. St. Cyril And Methodius St.; - Entrance/Exit Georgi S. Rakovski Street - Branch To Shakhtyor, Section With An Island - Entrance/Exit Parking Lot Of A Commercial Object1 Rehabilitation - When Constructing A Roadway On Areas That Until Now Have Performed Such A Function: • Dense Asphalt Concrete Type A E=1200Mpa H=4Cm • Asphalt Concrete For The Lower Layer Of The Coating (Binder) E=1000Mpa H=Min4cm • Existing Road Structure After Milling Iz