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FEATURED WATER & ENVIRONMENTAL RESOURCES PROJECTS

Loyalist Creek Rehabilitation Study, City of Mississauga

PEIL was retained to complete a Rehabilitation Study for a highly impacted creek in an urbanized setting. Activities included a complete geomorphic survey, identification of priority areas, and evaluation of alternative rehabilitation approaches. The final rehabilitation design included measures to improve failing armour stone, a plunge pool for energy dissipation, stabilization of eroding banks, realignment of channel segments with natural channel design, and protection of road crossing structures and storm sewer outfalls. PEIL provided the construction inspection for this project. The project included a public component and was completed within the Class EA process.

Petticoat Creek Digital Floodplain Mapping, Region of Durham

The Toronto and Region Conservation Authority retained the services of PEIL to complete the updating of the floodline mapping for Petticoat Creek in the Town of Pickering and the Region of Durham. The project included a field inventory of structures, preparation of hydraulic computer modelling using HEC-RAS and BOSS-RMS, and preparation of updated floodline mapping.

Generic Regulation Mapping Project, Ausable Bayfield Conservation Authority

The ABCA retained the services of PEIL to complete the fieldwork and database preparation for the entire ABCA Watershed consisting of the inventory of over 1,000 structures. As a result of the provincial direction, the ABCA initiated Phase I of a long term project to conform the Authority's regulations to that of the generic regulation. Phase I, the current study, consists of a compilation of information on bridge and culvert crossings for watercourses within the ABCA Watershed. This will assist the ABCA in developing floodplain limits for the generic regulation, and provides an excellent database on which to base engineered floodlines.

Waterloo West Side Lands Environmental Impact Study, City of Waterloo

The purpose of this Scoped EIS was to assess and evaluate the environmental features, functions, and linkages within an Environmental Sensitive Area to identify areas for protection, and guide proposed urban development in the study area. Tasks completed by the multi-disciplinary team included vegetation and wildlife inventories, aquatic assessment, hydrogeological investigations including the establishment of monitoring wells, as well as identifying locations and preliminary design constraints for stormwater management facilities.

Hanlon Creek State of the Watershed Study, City of Guelph

This was the first State of the Watershed Study in the Grand River Watershed on a creek system that has had two extensive watershed studies (1973 and 1993). The current state of the watershed in terms of stream flow, aquatics, terrestrial and hydrogeological components was investigated. The Study included the review of local environmental studies and review of other watershed reports, synthesis of background data, and field work to establish a baseline for future monitoring. The team also provided a terrestrial monitoring plan and an evaluation of vegetation and wildlife ecological indicators of changes with the urban development of the watershed from approximately 1991 to 2000. A public consultation and implementation component was included in the Study. The Study also recommended a comprehensive 5-year monitoring program.

Hespeler West and Forbes Creek Subwatershed Studies, City of Cambridge

Two Municipally-driven Subwatershed Studies that also included a servicing and traffic Class Environmental Assessment. A key component of both studies was the development of a Natural Heritage and Greenspace Management Strategy to best meet the intent of the Provincial Policy Statement, and relevant Regional, City and Grand River Conservation Authority policies. Other issues included the development of watershed hydrologic and hydraulic models (GAWSER and HEC-RAS respectively), well head protection, and impacted stream systems with the recommended removal of several dams and sections of gabion and concrete channels. Both Studies included an extensive public participation component.

Henry Sturm Greenway Watercourse Realignment, City of Kitchener

PEIL was retained to complete a natural channel design and realignment of approximately 300 metres of the Henry Sturm Greenway based on the results of a Class EA process. Activities completed included a geomorphic survey, desktop analysis, detailed design, and construction inspection. The final rehabilitation design included measures to maintain natural terrestrial features, increase the potential for aquatic habitat, and re-establish floodplain-channel interaction. A three-year monitoring program was initiated and will evaluate the overall success of the channel alignment and plantings.

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