Type
Motorway Tunnel
Role
Project Controls / Project Management (PM CTRL)
Investor
Autobahn des Bundes GmbH
Client
KREBS+KIEFER Ingenieure GmbH
Phase
Execution
Timeframe
2022–2025

Grenzallee Tunnel (A100 – 16th Construction Phase) – Berlin

Description

The Grenzallee Tunnel is an inner-city road tunnel constructed as part of the A100 motorway extension in Berlin. The structure was delivered using the cut-and-cover method under highly constrained urban conditions and while maintaining live traffic, resulting in a high level of interface and coordination complexity.

Key Facts

  • Structure type: Road tunnel (cut-and-cover construction)
  • Total length: 386 m
  • Cross-section: Six-lane configuration
  • Traffic layout: Three lanes per direction
  • Project environment: Dense urban area with ongoing traffic and a high number of stakeholders

Scope of Services

Project Management with a focus on Schedule Controlling and construction sequence coordination, including structured schedule planning, progress and variance analysis, and reliable project reporting. Proactive Interface Management between design, construction, traffic management, utility companies and authorities, as well as comprehensive Stakeholder Management to ensure transparency, aligned decision-making and smooth project delivery within a demanding inner-city environment.