Grimminck, Tom

Tom Grimminck

Operations Lead / Partner


Tom has over 22 years of experience as an environmental engineer and contractor. He has provided expertise for detailed contaminant delineation, remediation of contaminated sites, development and implementation of remedial action plans (RAPs) and risk management plans (RMPs), landfill design and construction, and long term monitoring of contaminated sites and/or landfills. His experience includes the design and commissioning of groundwater extraction and treatment systems, implementation of large-scale impacted soil excavations, capping of contaminant source zones and the in situ and ex situ treatment of both soil and groundwater impacts.

In addition to his design experience, Tom has also been responsible for the preparation of specifications and tender packages for environmental rehabilitation projects; evaluation of bids and selection of contractors; contract negotiation; preparation of feasibility and cost studies related to remedial options evaluation; project management and contract management of large remediation projects involving numerous sub-contractors; and preparation of site specific health and safety plans and environmental management plans for environmental remediation sites.


Finch West Light Rail Transit Design-Build - Toronto, ON

The Finch West Light Rail Transit Project (LRT) comprised the design, construction and maintenance of an 11.5 km Light Rail Transit corridor in the City of Toronto. The corridor will run along Finch Avenue West in an east-west direction between the intersections of Highway 27 and Keele Street, and southward along Hwy 27 towards the intersection of Humber College Boulevard.Read More

Eglinton Crosstown West Extension - Toronto, ON

As Technical Advisor (TA) to Infrastructure Ontario and Metrolinx and part of the Arup TA Team, Dillon provided environmental, permits, licenses, and approvals (PLA), and stakeholder engagement services in support of the Eglinton Crosstown West Extension (ECWE) light rail transit/subway project in Toronto.Read More
Chart Performance Monitoring

Environmental Remediation - Peterborough, ON

In the late 1980s, the Outboard Marine Corporation of Canada (OMCC) began wrapping up operations at their Peterborough manufacturing facility where they had been building small engines for nearly 75 years. Environmental investigations by Dillon revealed the presence of a significant number of legacy environmental issues, including a subterranean pool of degreasing fluid used in the manufacturing processes. 

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Trail Waste Facility - Ottawa, ON

Dillon has been assisting the City of Ottawa in the management and operation of the Trail Waste Facility for over 25 years. The landfill serves the Ottawa area and is the city’s primary means of disposal for residential solid waste. We have assisted the City in numerous engineering studies and designs supporting the operation of the facility and closure of the former Nepean Landfill.  

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Dump truck driving on road

On-Site and Excess Soil Regulation

On December 4, 2019 the government of Ontario announced that it has finalized and is implementing the On-Site and Excess Soil Regulation&...Read More