Bauüberwachung - Erneuerung EÜ Schulenburger Landstraße Hannover Strecke 1700/1710 km 2,610

The contract timeline for the "Erneuerung EÜ Schulenburger Landstraße" project is as follows:

The total duration of the project is 724 days.

The contract start date, indicated as the "Leistungsbeginn AN Bau" (Start of Contractor Construction Services), is Monday, December 14, 2026.

The contract end date, marked as the "Fertigstellung der vertraglichen Leistungen" (Completion of contractual services), is Saturday, September 15, 2029.

Key milestones and phases include:

• Planning Phase AN Bau: This phase spans 35 days, from Friday, January 15, 2027, to Friday, March 5, 2027.
• Key activities within this phase include the submission of the construction sequence plan draft, demolition planning, AP cable auxiliary route planning, AP BE areas and construction roads, and AP for steel construction ordering by specific dates in January and March 2027.
• Baudurchführung (Construction Execution): This phase covers 684 days, from Monday, February 8, 2027, to Saturday, September 15, 2029.
• Bauphase 1 (Construction Phase 1) - Herrichten der Baustelle (Site preparation): 115 days, from Monday, February 8, 2027, to Thursday, July 15, 2027.
• This phase includes UXO surveys (Kampfmittelsondierungen), completion of clearing work by Sunday, February 28, 2027, completion of all BE areas/auxiliary roads/accesses/ramps by Friday, May 14, 2027, and completion of the cable auxiliary route by Thursday, July 15, 2027.
• Bauphase 2 (Construction Phase 2) - Anpassung BTA (BTA adjustment): 62 days, from Friday, July 23, 2027, to Friday, October 15, 2027.
• Bauphase 3 (Construction Phase 3) - Vorfertigung (Pre-fabrication): 205 days, from Saturday, September 11, 2027, to Thursday, June 22, 2028.
• Completion of clearing green areas by Friday, October 15, 2027.
• Bauphase 4 (Construction Phase 4) - Hauptbauphase (Main construction phase): 62 days, from Friday, June 23, 2028, to Friday, September 15, 2028.
• Completion of abutments for installation by Friday, June 30, 2028.
• Completion of steel superstructures for installation by Wednesday, July 5, 2028.
• Road and tram closure of Schulenburger Landstraße for 43 days, from Thursday, July 20, 2028, to Friday, September 15, 2028.
• Total closure of the road (main construction phase) for 30 days, from Thursday, July 20, 2028, to Wednesday, August 30, 2028.
• Completion of installation of both steel superstructures by Friday, August 11, 2028.
• Completion of track construction work (DB) by Tuesday, August 29, 2028.
• Partial acceptance of the tram (tracks and catenary) on Tuesday, August 29, 2028.
• Commissioning of the tram on Wednesday, August 30, 2028.
• Commissioning by Friday, September 15, 2028.
• Finale Bestandsunterlagen inkl. Ivl-Pläne und Bauwerksbüche übergeben (Submission of final as-built documents including Ivl-plans and building logbooks): Thursday, March 15, 2029.
• Beräumen der Baustelle abgeschlossen (Site clearance completed): Monday, April 30, 2029.
• Fertigstellung der vertraglichen Leistungen (Completion of contractual services): Saturday, September 15, 2029.

The overall execution period is also stated as from February 8, 2027, to October 27, 2028.

The core scope of work for this tender is Construction Supervision (Bauüberwachung) for the renewal of the EÜ Schulenburger Landstraße in Hannover, specifically for railway tracks 1700/1710 at km 2.610. The contract type is for services, and the main classification code is 71521000 for construction site supervision.

The Statement of Work and core deliverables include:

• Deliverable objects to be described in the BIM Execution Plan (BAP), including description, creation date, data format, software used, and data source for each object.
• Provision of specific documents and models by the contractor, such as:
• BAP as a released document (versions 1.0 and X.0).
• Use of a common data platform throughout the project.
• Specialist models (Fachmodelle).
• Coordination model (Koordinationsmodell).
• Overall model (Gesamtmodell).
• Visualization.
• As-built model (As-built-Modell).
• Schedule and construction phase planning (Termin- und Bauphasenplanung).
• Construction logistics planning (Baulogistikplanung).
• Defect management (Mängelmanagement).
• Model-based documents for construction supervision (Modellbasierte Unterlagen der BÜW).
• Relevant construction service contract(s).
• Relevant contract for safety services with safety plan.
• Authorization of construction supervisors.
• Planning permission decisions, structurally tested execution documents, and structurally tested proofs from the EBA (Eisenbahn-Bundesamt).
• Other permits and approvals.
• Approved (partial) cost estimates.
• Engineering geological and hydrogeological documents.
• Data collection receipts/work documents for DV applications.
• Master schedule, payment plan, annual and monthly construction operation plan.
• Operating and construction instructions (Betra).
• Project handbook (for client inspection).
• Ensuring access and parking spaces for cars.
• Adaptation of the project-specific object and attribute model, including supplementing with additional attributes without altering the existing model, attribute structure, or nomenclature from the semantic object model (SOM). All planned objects must be attributed.

Services not performed by the contractor but by special experts or third parties include: soil assessment and foundation consulting, environmental impact study, landscape conservation planning, FFH check, species protection contribution, landscape conservation execution planning, outdoor facilities, surveying services, sound expertise, thermal building physics, interior design, overhead line, control and safety technology, railway power line, 50 Hz systems, telecommunication systems, technical equipment for engineering structures, technical equipment for buildings, safety and health protection coordination, BIM as-built model (surveying service), digital terrain model, soil investigation in the BIM model, and remodelled existing structures.