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Question: What is the contract timeline?

Context: Contract start date, end date, total duration, and any key milestones or phases mentioned. Return null if not stated.

The contract timeline includes a contract execution duration of 24 months. Additionally, there is a minimum warranty period of 36 months. The validity of the contract extends until the conventional or legal exhaustion of any effects it produces. The overall project, which this contract is part of, has a finalization deadline of December 31, 2029, under its financing program. The offeror is required to present a general execution schedule that includes the contract finalization term and intermediate terms, and the technical proposal should be structured by contract realization phases and stages. However, specific contract start dates or defined key milestones/phases within the document are not explicitly stated.

The core scope of work and statement of work summary for this tender, titled "TRAFFIC FLUIDIZATION THROUGH SUSTAINABLE URBAN MOBILITY MEASURES - CONSTRUCTION OF AN ARTERY WITH A GREEN MOBILITY CORRIDOR ROLE ON THE SOUTH-WEST SIDE OF ALBA IULIA MUNICIPALITY," involves two main components.

A. Execution of works related to the mobility corridor:

This primarily entails the construction of a 2.3 km long, Category II road designed for speeds of 50-60 km/h, aiming to divert traffic and complete the city's ring road. Key deliverables include:

• Realization of four traffic lanes (two per direction).
• Construction of dedicated public transport lanes.
• Building two overpasses over Brândușei and Orlea streets.
• Development of sidewalks and bicycle paths.
• Creation of six bus stops.
• Arrangement of intersections and a roundabout.
• Implementation of stormwater collection and evacuation systems.
• Construction and modernization of utility networks.
• Installation of vertical and horizontal road signaling.
• Realization of public lighting equipped with a remote management system.
• Installation of a video surveillance system.
• Landscaping and installation of urban furniture.
• All necessary related works for the objective's full functionality.

B. Design and execution of works resulting from a coexistence study:

This component addresses existing electrical networks (0.4 kV and 20 kV) managed by Distribuție Energie Electrică România S.A. - Alba Branch, which are impacted by the mobility corridor project. The contractor's responsibilities include:

• On-site verification of the actual network situation.
• Elaboration of technical designs and execution details.
• Ensuring documentation correlation with the road and passage technical projects.
• Verification of documentation by authorized specialists.
• Submission of documentation to DEER - Alba Branch for analysis and approval.
• Obtaining all required permits and approvals.
• Execution of the approved works, which may involve protecting, diverting, relocating, modifying, or decommissioning affected electrical installations.
• Specific works include building approximately 1,331m of 0.4 kV underground electrical network, installing 11 distribution boxes, four measurement and protection blocks, and four poles, restoring consumer connections, creating grounding installations, and decommissioning existing overhead networks (including 26 poles).
• For medium voltage, the scope covers replacing an overhead transformer station with a concrete-enclosed one, equipped with a 250 kVA transformer, 20 kV and 0.4 kV installations, protection equipment, control, and SCADA integration, along with creating 20 kV LES circuits, relocating the medium voltage network, installing new poles, decommissioning existing facilities, and restoring affected areas.
• Performing tests, verifications, and commissioning of the affected installations.
• Preparation and submission of final and as-built documentation.