哥倫比亞交通基礎(chǔ)設(shè)施展望-資料下載頁(yè)
2025-02-16 23:40本頁(yè)面
【正文】 available on inter.The manual was updated in 2023 and it is based on important international standards:Its content is posed of 249 test standards and 95 construction specifications. 252。Classification of roads based on Traffic volume to determine: i) Materials Quality, ii) In site equipment, iii) Construction methodologies and iv) Construction quality.252。Application of statistics to establish the acceptance of pavement structure and resistance of mixtures.252。Strict control over the IRI and the Skid resistance.CONSTRUCTION MAINTENANCE SPECIFICATIONSCONSTRUCTION SCHEMEMAINTENANCE SCHEMECURRENT MAINTENANCE METHODOLOGYIdentification of defects by means of Visual Inspections216。 Network in Charge of INVIAS (Public Procurement) Visual Inspections in charge of Road administrators. Work Interventions are determined by INVIAS and construction firms are hired by tender processes to execute the maintenance works.216。 Network in charge of INCO (Concessions)Concessionaires are demanded to carry out the visual inspections and to execute the maintenance works considering the INVIAS standards. Cracking Rutting Ravelling Potholing Roughness Edge break Surface Texture Skid resistancePLANNED MAINTENANCE METHODOLOGY? Both INVIAS and INCO are structuring a tender process to analyze maintenance strategies for different roads works by means of the application of an specialized software package such as HDM4 to determine:252。 Budget allocation based on economical and physical benefits.252。 Application of Cost – Benefit Analysis.252。 Multiyear work programme252。 Project priorization252。 Type of maintenance to applySTRUCTURING AND PLANNINGSTAGE1. Scope Definition 2. Specifications3. Control and Supervision4. General Budget and Payment Method5. RisksTechnical StructuringFinancial Structuring1. Financial Model2. Financial and Legal requirementsLegal Structuring 1. Terms of reference to hire contractors of construction and interventoryRisk and Budget Approval 1. Risk analysis2. Risks approval3. Compromise the project financing Project promotion1. Business forums2. Information and diffusion3. Market analysisSelecci243。n de Contratistas e Interventor 1. Support in the tender process and the selection of the contractorSTRUCTURING PHASE FOR ROAD PROJECTS1. Demand Prediction2. Economical Report 3. Topography Report 4. Road Geometry Report 5. Geology and Soils Report 6. Hydrology and Hydraulics Report7. Road Traffic Report8. Special Structures Report 9. Pavements report10. Signaling report11. Environment impact report12. Social Impact report13. Parcels impact report14. Specifications, costs, schedule report15. Identification of materials source and dumps report16. Executive SummarySTUDY DESIGN PHASE FOR ROAD PROJECTSConsultancy Companies are responsible of the following documents:THANK YOU謝謝觀(guān)看 /歡迎下載BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH
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