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 Aurora, 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. For Aurora projects, Harrowgate Group builds oil-grit separators from survey to sign-off: laid out to the drawings, constructed to code, and documented for the project file.
Aurora oil-grit separators work centres on commercial sites, lots, and municipal drainage. Across Aurora, 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.
What drives oil-grit separators in Aurora (York Region) is commercial and business-park, light industrial, institutional, and highway-corridor development. Aurora's business parks along the 404 and Wellington corridor support steady commercial, light-industrial, and institutional construction. Demand favours business-park site work, servicing, and commercial concrete and paving.
Activity clusters in the Aurora business park, the 404 employment lands, and the Wellington Street corridor. Harrowgate Group regularly builds oil-grit separators for Aurora clients like developers, business owners, and the Town of Aurora, each project carrying its own site and requirements.
Because Aurora spans commercial and business-park, light industrial, institutional, and highway-corridor development, oil-grit separators is never one-size: Harrowgate Group fits the method to the building type, age, and use on every project.
The Aurora variables that matter are business-park intensification, 404-corridor servicing, and mature-employment-area retrofit. So Harrowgate Group matches the methods, materials, and equipment to the site, and an Aurora project rarely needs the same approach as a standard property.
Programs slip when trades do not show. Harrowgate Group builds the Aurora oil-grit separators work itself, so mobilization, sequencing, and completion stay with one accountable team, with fast mobilization to get moving.
On Aurora 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.
Harrowgate Group treats coordination as part of the build. On an Aurora oil-grit separators project, that means working from the engineers' and architects' drawings, looping in geotechnical and civil consultants where the ground demands it, and coordinating with city planners and inspectors, so the Aurora project is built to the approved design and passes the inspections that matter.
A typical Aurora oil-grit separators project pairs the work with local conditions: commercial sites, lots, and municipal drainage around the Aurora business park and clients like developers. Harrowgate Group tailors each project to the situation and documents it for the file. Harrowgate Group also serves nearby Newmarket, Richmond Hill, King, so projects spanning the surrounding area stay with one team.
Harrowgate Group builds each Aurora project to a clear scope: the right methods, the right materials, and results checked against the plan, documented so it holds up to inspection and the project record.
For oil-grit separators in Aurora, owners and managers pick Harrowgate Group for the mix of fast mobilization, licensed, insured, and fully WSIB-covered work, and ground-level knowledge of the Aurora business park, the 404 employment lands, and the Wellington Street corridor.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
Oil-Grit Separators are underground treatment devices installed to remove sediment, oil, and debris from stormwater runoff. For Aurora projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Aurora and the surrounding area. Response time is fast mobilization.
Across Aurora, the work concentrates around the Aurora business park, the 404 employment lands, and the Wellington Street corridor, each job scoped to its own conditions.
Mostly commercial and business-park, light industrial, institutional, and highway-corridor development, Harrowgate Group serves developers, contractors, municipalities, and property owners across Aurora.
In Aurora, the work accounts for business-park intensification, 404-corridor servicing, and mature-employment-area retrofit, so the methods, materials, and equipment is matched to the site.
Stormwater treatment. For Aurora, every project is sized to the actual conditions.
Harrowgate Group responds to Aurora with fast mobilization, covering the Aurora business park, the 404 employment lands, and the Wellington Street corridor and the surrounding area.
All of Aurora, the Aurora business park, the 404 employment lands, and the Wellington Street corridor and the surrounding neighbourhoods, plus nearby Newmarket, Richmond Hill, King.
Yes, Harrowgate Group handles commercial and business-park, light industrial, institutional, and highway-corridor development across Aurora, 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 Aurora project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Aurora oil-grit separators on site and provides a documented scope before any work begins.
Real knowledge of Aurora, the Aurora business park, the 404 employment lands, and the Wellington Street corridor, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served York 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 Aurora.
Yes, Harrowgate Group builds the work across Aurora 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.