Construction Work – Rehabilitation Of Pavements On Open Areas - 1St Section In Ruse-West Port Terminal. The Area Where The Pavement Will Be Repaired Covers An Area Of 4400 M2. The Reinforced Concrete Pavement Should Be Built On Fields Of Concrete Slabs, As Uniform As Possible. To Remove Surface Water, The Pavement Should Be Completed With A 1% Cross Slope In The South Direction. A 20 Cm Compacted Crushed Stone Pavement Is Planned For The Sub-Base Layer. Before Laying The Crushed Stone Base, It Is Necessary To Level And Compact The Excavation. The Pavement Should Be Filled In Dry Joints 2 Cm, After Which The Joints Should Be Treated With Asphalt Mastic (70% Bitumen, 30% Stone Flour). The Concrete Pavement Should Be Made With A Thickness Of 20 Cm With Concrete Grade C25/30 (B30) - Sulfate-Resistant. The Reinforcement Should Be Made With A Double Mesh From St. Aiii No. 10 And Square 20/20 Centimeters. Between The Two Nets, Three Reinforcing Bars Per Square Meter, Made Of Ø10 Steel, Should Be Placed. The Laying Of Concrete Is Allowed After The Acceptance By The Contractor Of The Sub-Base Layers. Incoming Control Of All Materials For The Concrete Will Be Carried Out By The Construction Laboratory Of The Concrete Center. When Placing The Concrete, Delamination Of The Materials And Displacement Of The Reinforcement And Formwork Must Be Avoided. Immediately After Compaction, Smoothing Of The Surface Of The Concrete And Its Hardening, Measures Are Taken To Prevent Drying And Cracking - In The Summer Season, In This Case, Cover With Polyethylene, Straw Or Other Material To Retain Moisture. Before Hardening Of The Placed Concrete, Avoid Compaction And Vibration Works In The Vicinity, Which Can Lead To Its Permanent Damage. In Front Of Warehouse No. 3, It Is Planned To Build A Linear Drain With A Length Of 17 M And A Carrying Capacity Of D400. The Specific Types Of Activities Are Specified In The Technical Specification And Its Annexes.
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