Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Oil-Grit Separators are underground treatment devices installed to remove sediment, oil, and debris from stormwater runoff. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Kingston, the GTA, and Ontario.
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Heavy-duty steel and finishes chosen for the load, traffic, and environment on site.
Send specs, drawings, or photos and get a free, no-obligation site visit and estimate with no guesswork.
Installation and site work completed in accordance with Ontario requirements.
Oil-Grit Separators are underground treatment devices installed to remove sediment, oil, and debris from stormwater runoff. Every oil-grit separators project Harrowgate Group takes on in Kingston is scoped to one site, the ground, the loads, and the constraints assessed first, then the work completed to grade.
Most Kingston oil-grit separators jobs involve commercial sites, lots, and municipal drainage. Treating stormwater to meet water quality requirements are the recurring drivers; each Kingston project is sized to its own situation, not a one-size approach.
Demand for oil-grit separators in Kingston (Frontenac County) comes mostly from institutional and university, healthcare, government and correctional, and commercial development. Kingston's universities, hospitals, and government institutions anchor an institutional, healthcare, and commercial construction market on Lake Ontario. Demand centres on institutional site development, rock excavation, servicing, and concrete.
Activity clusters in the university and hospital district, the industrial parks, and the 401 corridor. Much of the Kingston work is for universities, hospitals, government, and the City of Kingston, each needing the job built to the drawings, to code, and documented.
Across Kingston, oil-grit separators covers a real range of property, institutional and university, healthcare, government and correctional, and commercial development. Each calls for a different response, so Harrowgate Group scopes every Kingston project to the building and its use rather than one playbook.
The Kingston variables that matter are institutional-campus standards, limestone bedrock and rock excavation, and heritage-core context. Harrowgate Group sets the methods, materials, and equipment for those exact conditions on every Kingston project, working to the site conditions and the engineered drawings rather than a regional default.
Harrowgate Group keeps Kingston oil-grit separators on schedule, from quote to crew on site with fast mobilization, then built to grade and documented through to completion.
Every Kingston oil-grit separators project follows a disciplined sequence: site survey and layout, utility locates and protection, excavation or preparation, the core work built to the engineered drawings, backfill and compaction or finishing to grade, and site restoration, each stage inspected and documented for the project file.
The right Kingston oil-grit separators outcome depends on the right people at the table. Harrowgate Group builds to the structural and civil engineers' spec, respects the architect's intent, coordinates surveyors and consultants, and works with municipal planning and inspection, carrying the Kingston project from stamped drawings through to a documented, approved result.
Representative Kingston work: oil-grit separators for commercial sites, lots, and municipal drainage, often near the university and hospital district and clients like universities, handled end to end and fully documented. Harrowgate Group also serves nearby Napanee, Gananoque, Brockville, so projects spanning the surrounding area stay with one team.
For Kingston work, nothing is guessed, Harrowgate Group confirms the ground conditions, the loads, and the design intent before the crew mobilizes, and documents the completed work for the project file.
What keeps Harrowgate Group busy with Kingston oil-grit separators: fast fast mobilization, licensed, insured, and fully WSIB-covered work, full documentation, and a team, with 20 years serving the area that knows the university and hospital district, the industrial parks, and the 401 corridor firsthand.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
The short version: Oil-Grit Separators are underground treatment devices installed to remove sediment, oil, and debris from stormwater runoff. For Kingston projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Kingston and the surrounding area. Response time is fast mobilization.
Across Kingston, the work concentrates around the university and hospital district, the industrial parks, and the 401 corridor, each job scoped to its own conditions.
Mostly institutional and university, healthcare, government and correctional, and commercial development, Harrowgate Group serves developers, contractors, municipalities, and property owners across Kingston.
In Kingston, the work accounts for institutional-campus standards, limestone bedrock and rock excavation, and heritage-core context, so the methods, materials, and equipment is matched to the site.
Stormwater treatment. For Kingston, every project is sized to the actual conditions.
Harrowgate Group responds to Kingston with fast mobilization, covering the university and hospital district, the industrial parks, and the 401 corridor and the surrounding area.
All of Kingston, the university and hospital district, the industrial parks, and the 401 corridor and the surrounding neighbourhoods, plus nearby Napanee, Gananoque, Brockville.
Yes, Harrowgate Group handles institutional and university, healthcare, government and correctional, and commercial development across Kingston, from focused scopes to full builds, each set to its own site and drawings.
Cost depends on the site conditions, the ground, the scope, and the engineered requirements, Harrowgate Group reviews the drawings and the site for each Kingston project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Kingston oil-grit separators on site and provides a documented scope before any work begins.
Real knowledge of Kingston, the university and hospital district, the industrial parks, and the 401 corridor, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served Frontenac County since 2006, 20 years of hands-on experience.
Harrowgate Group surveys and scopes it on site, builds the work to the engineered drawings and the applicable codes, and completes it to grade, handled by one accountable team across Kingston.
Yes, Harrowgate Group builds the work across Kingston and the surrounding area and manages it end to end, coordinating any engineers, consultants, and municipal approvals the project needs. We do the work, not just hand it off.
Commercial and heavy-civil construction, self-performed for developers, contractors, property managers, and municipalities.
Send drawings, a site plan, or a description of the scope. Harrowgate Group is licensed, insured, and WSIB certified.
Licensed, Insured & WSIB Certified · Self-performed and documented on every job
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Harrowgate Group provides oil-grit separators, delivered and installed with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
Harrowgate Group delivers commercial and heavy-civil construction for developers, contractors, institutions, municipalities, and property groups across Ontario.