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 Pickering, 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. In Pickering, Harrowgate Group takes on oil-grit separators end to end: the site is surveyed and scoped, the work is built and managed on site, and the project is completed to the engineered plan.
Most Pickering oil-grit separators jobs involve commercial sites, lots, and municipal drainage. Across Pickering, they solve treating stormwater to meet water quality requirements, and because no two sites are identical the scope is set per site, not a default.
Demand for oil-grit separators in Pickering (Durham Region) comes mostly from energy and nuclear, logistics and industrial, commercial and office, and the Seaton greenfield development. Pickering pairs the nuclear and energy sector with the massive Seaton greenfield community and 407 employment lands. Work ranges from industrial and institutional site development to large-scale servicing, stormwater, and roadworks.
Activity clusters in the nuclear and energy lands, Brock Road industrial, the Seaton community, and the 407 employment corridor. Much of the Pickering work is for energy operators, developers, logistics companies, and the City of Pickering, each needing the job built to the drawings, to code, and documented.
Pickering buildings vary widely, energy and nuclear, logistics and industrial, commercial and office, and the Seaton greenfield development, and the right oil-grit separators approach changes with each. Harrowgate Group reads the property before it scopes the project.
Pickering conditions shape the response: nuclear-site security and standards, the very large Seaton greenfield buildout, and 407-corridor servicing. Each Pickering project has the methods, materials, and equipment chosen for that environment, matched to the site instead of a one-size approach.
In Pickering, Harrowgate Group treats schedule as part of the scope: fast mobilization, the right equipment on site, and the project built in the right sequence so the following trades are not held up.
On Pickering work the sequence is fixed: locate and protect what is in the ground, prepare the site, build to the drawings, compact and finish to grade, and restore the surface, documented at each stage.
A Pickering oil-grit separators project rarely involves one party. Harrowgate Group coordinates with your structural and civil engineers, architects, city planners, geotechnical consultants, and the municipal reviewers whose sign-off the work needs, building to the stamped drawings, honouring the design intent, and keeping the Pickering project aligned with what was engineered and approved.
On a typical Pickering project the oil-grit separators work covers commercial sites, lots, and municipal drainage around the nuclear and energy lands and clients like energy operators, each scoped to its own situation and recorded for the file. Harrowgate Group also serves nearby Ajax, Scarborough, Whitby, so projects spanning the surrounding area stay with one team.
Every Pickering oil-grit separators project is built to the engineered drawings and the applicable codes, methods, materials, and compaction or load results documented so the work is verifiable, not assumed.
What keeps Harrowgate Group busy with Pickering 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 nuclear and energy lands, Brock Road industrial, the Seaton community, and the 407 employment corridor firsthand.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
Put simply, Oil-Grit Separators are underground treatment devices installed to remove sediment, oil, and debris from stormwater runoff. For Pickering projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Pickering and the surrounding area. Response time is fast mobilization.
Across Pickering, the work concentrates around the nuclear and energy lands, Brock Road industrial, the Seaton community, and the 407 employment corridor, each job scoped to its own conditions.
Mostly energy and nuclear, logistics and industrial, commercial and office, and the Seaton greenfield development, Harrowgate Group serves developers, contractors, municipalities, and property owners across Pickering.
In Pickering, the work accounts for nuclear-site security and standards, the very large Seaton greenfield buildout, and 407-corridor servicing, so the methods, materials, and equipment is matched to the site.
Stormwater treatment. For Pickering, every project is sized to the actual conditions.
Harrowgate Group responds to Pickering with fast mobilization, covering the nuclear and energy lands, Brock Road industrial, the Seaton community, and the 407 employment corridor and the surrounding area.
All of Pickering, the nuclear and energy lands, Brock Road industrial, the Seaton community, and the 407 employment corridor and the surrounding neighbourhoods, plus nearby Ajax, Scarborough, Whitby.
Yes, Harrowgate Group handles energy and nuclear, logistics and industrial, commercial and office, and the Seaton greenfield development across Pickering, 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 Pickering project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Pickering oil-grit separators on site and provides a documented scope before any work begins.
Real knowledge of Pickering, the nuclear and energy lands, Brock Road industrial, the Seaton community, and the 407 employment corridor, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served Durham Region 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 Pickering.
Yes, Harrowgate Group builds the work across Pickering 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.