Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Granular Base and Subgrade Prep is the placement and compaction of engineered granulars that support pavements, slabs, and structures. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Scarborough, 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.
Granular Base and Subgrade Prep is the placement and compaction of engineered granulars that support pavements, slabs, and structures. Harrowgate Group treats each Scarborough granular base and subgrade prep project as its own scope: the site conditions, the engineered plan, and the sequencing set before a crew mobilizes.
Most Scarborough granular base and subgrade prep jobs involve roads, lots, slabs, and pads. A compacted, free-draining base that carries load without failing are the recurring drivers; each Scarborough project is sized to its own situation, not a one-size approach.
What drives granular base and subgrade prep in Scarborough (City of Toronto) is industrial and logistics, institutional and healthcare, retail and commercial, and transit infrastructure. Scarborough pairs a huge industrial and logistics base with the Golden Mile's commercial redevelopment and major transit expansion. Work ranges from warehouse and institutional site servicing to concrete and paving across the employment lands.
The work concentrates around the Golden Mile, Scarborough employment districts, Morningside and Sheppard industrial lands, and the hospital campuses. Much of the Scarborough work is for industrial owners, developers, hospitals, and the City of Toronto, each needing the job built to the drawings, to code, and documented.
The mix in Scarborough, industrial and logistics, institutional and healthcare, retail and commercial, and transit infrastructure, means each granular base and subgrade prep project starts from the specific structure, not a template, when Harrowgate Group scopes it.
Scarborough conditions shape the response: large aging industrial parks in redevelopment, transit-line construction, and mixed soil and grade near the bluffs. Harrowgate Group sets the methods, materials, and equipment for those exact conditions on every Scarborough project, working to the site conditions and the engineered drawings rather than a regional default.
In Scarborough, 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.
Harrowgate Group scopes each Scarborough project on site, builds the work to the load and the plan, and verifies the finished project, a controlled process from survey through to a documented sign-off.
Whatever professionals a Scarborough granular base and subgrade prep project requires, Harrowgate Group works with them: engineers, architects, surveyors, geotechnical and environmental consultants, and city planning and inspection staff. The crew builds to the engineered drawings and coordinates the inspections and approvals, so nothing on the Scarborough project falls between design, permit, and field.
A typical Scarborough granular base and subgrade prep project pairs the work with local conditions: roads, lots, slabs, and pads around the Golden Mile and clients like industrial owners. Harrowgate Group tailors each project to the situation and documents it for the file. Harrowgate Group also serves nearby Toronto, Markham, Pickering, so projects spanning the surrounding area stay with one team.
For Scarborough 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.
Across Scarborough, owners call Harrowgate Group for granular base and subgrade prep for a simple reason: licensed, insured, and fully WSIB-covered work, fast mobilization, and a crew that actually knows the Golden Mile, Scarborough employment districts, Morningside and Sheppard industrial lands, and the hospital campuses and how local buildings fail.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
Put simply, Granular Base and Subgrade Prep is the placement and compaction of engineered granulars that support pavements, slabs, and structures. For Scarborough projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Scarborough and the surrounding area. Response time is fast mobilization.
Across Scarborough, the work concentrates around the Golden Mile, Scarborough employment districts, Morningside and Sheppard industrial lands, and the hospital campuses, each job scoped to its own conditions.
Mostly industrial and logistics, institutional and healthcare, retail and commercial, and transit infrastructure, Harrowgate Group serves developers, contractors, municipalities, and property owners across Scarborough.
In Scarborough, the work accounts for large aging industrial parks in redevelopment, transit-line construction, and mixed soil and grade near the bluffs, so the methods, materials, and equipment is matched to the site.
Pavement and slab support. For Scarborough, every project is sized to the actual conditions.
Harrowgate Group responds to Scarborough with fast mobilization, covering the Golden Mile, Scarborough employment districts, Morningside and Sheppard industrial lands, and the hospital campuses and the surrounding area.
All of Scarborough, the Golden Mile, Scarborough employment districts, Morningside and Sheppard industrial lands, and the hospital campuses and the surrounding neighbourhoods, plus nearby Toronto, Markham, Pickering.
Yes, Harrowgate Group handles industrial and logistics, institutional and healthcare, retail and commercial, and transit infrastructure across Scarborough, 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 Scarborough project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Scarborough granular base and subgrade prep on site and provides a documented scope before any work begins.
Real knowledge of Scarborough, the Golden Mile, Scarborough employment districts, Morningside and Sheppard industrial lands, and the hospital campuses, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served City of Toronto 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 Scarborough.
Yes, Harrowgate Group builds the work across Scarborough 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 granular base and subgrade prep, 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.