NTH Value Added: NTH provided structural, environmental and construction management expertise to facilitate completion of this fast-tracked demolition project.
Canadian Pacific Detroit Expressway Canopy and Platform Demolition
NTH Consultants was the prime consultant to Patrick Engineering, Inc., for the Canadian Pacific’s Detroit Expressway project. As such, NTH managed the environmental, demolition and construction management aspects of the project plus selected design elements. The work specifically involved:
A complete asbestos survey on an expedited basis of the former boarding platforms, canopies and underground pipe trenches.
The preparation of asbestos abatement specifications and bid documents.
Air quality monitoring during asbestos removal, documentation of monitoring results, observations and measurement of asbestos quantities abated – all in accordance with applicable state and federal regulations.
Preparation of demolition technical specifications for the former passenger boarding platforms and the overhead canopy, as well as pipe trenches and former monitoring well abandonment, and the identification of potential demolition bidders.
Construction management services: pre-bid meeting, response to bidders questions, bid document addenda, review of bids and recommendations to the owner, pre-construction (demolition) meeting, review of contractor submittals, site specific safety training of contractor staff, weekly onsite progress review meeting, review of contractor invoices and recommendations to the owner, analysis of contractor change requests, maintain communications between the contractor and all involved parties including public groups, project closeout including the inspection of the work, preparation of punch lists, final demolition and project closeout.
Special challenges:
Expedited schedule to support CP construction schedule.
Severely restricted working conditions.
Coordination and scheduling of utility shutoffs and clearances.
Close proximity of very active CASO railroad line (within 12’ of the building wall).
Abandonment of four former monitoring wells.
Structural evaluation of former passenger boarding platforms.
