Assessment of the impact on existing cast-iron and precast concrete tunnel linings (in total approximately 300 assets.) including empirical and finite element calculations.
Tender design, preliminary and full detailed design including execution drawings for the mined twin track running tunnel, three mined station caverns and access shafts.
Conceptual, preliminary, detailed design of underground caverns, egress tunnels and mined shafts; scheduling and cost estimating; risk management; specifications and tender. Onsite support during construction.
Initial, detailed inspection of underground structures. Condition assessed and rated according to the 'Highway and Rail Transit Tunnel Inspection Manual (2005)' of the U.S. Department of Transportation - FHWA.
Investigation of unexpected progressing settlement of ground surface and constructed Metro Line 2 tunnel, shaft and station structures in Lima’s Santa Anita district.
Ground movement impact assessment and conceptual design of four structures connecting a new station box with the existing Victoria line platform tunnels.
Review of the current design of the connection between sprayed concrete lined connection tunnels and the main (TBM) tunnel with the aim to propose efficient alternatives.
Dr. Sauer & Partners provided commercial support, SCL design verification and functioned as a mediator between Sirius Minerals’ mining and construction team.
Site supervision on behalf of Luck Stone Corporation including supervision of all SEM activities, quality assurance services, cost and schedule control and design coordination on site.
Conceptual design with various tunnel options. Final tunnel design consisting of drawings, specifications, and calculations. Client support during bid phase.
Construction inspection and scheduling for initial and final liner and waterproofing; analysing monitoring data and project's progress; daily site inspection and ground conditions reports.
Design of the primary sprayed concrete linings and excavation stability including depressurisation/dewatering. 3D FE modelling of all SCL tunnels including excavation steps.
High level consulting and feasibility studies, coordination of common design approaches (Focus Group) and preparation of deliverable approach statement (outline design criteria).
Dr. Sauer and Partners provided construction support services and supervision of the excavation of the Light Rail Tunnels, which were constructed using NATM.
Design of the primary and secondary sprayed concrete linings, 3D FE modelling of all SCL tunnels including excavation steps and ground movement assessments.
Design of the tunnel crossing the Northern Boulevard and of the elements supporting the Sunnyside Yard cut and cover walls (i.e. internal steel bracing and tiebacks).
Construction inspection and scheduling for initial and final liner and waterproofing; analysing monitoring data and project's progress; daily site inspection and ground conditions reports.
Dr. Sauer & Partners in joint venture with iC Consulenten provided mitigation and tunnel stabilisation as well as NATM redesign following a tunnel collapse.
Design of numerous temporary sprayed concrete lined shaft and tunnel structures, and the waterproofing system for the upgrade of the existing London Underground Tottenham Court Road Station.
Optimizing station and tunnel configurations, Interpreting geologic information, preliminary and detailed design, developing 3D Finite Element Models and performing structural and seismic design.
Design of the tunnel refurbishment works including the waterproofing and drainage, the new tunnel lining and track slab, and the new track alignment. Construction supervision.
CAT3 checking of primary and secondary linings of main and connection tunnels at six tunnel junctions. The check included elements of the temporary works: dewatering, pipe arch pre-support and face stability.
Feasibility Study looking at ways of providing Congestion Relief and MIP lift access from surface to platform level, provision of tunnel and underground space design.