Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Stormwater Management and Drainage is the grading, structures, and systems that control and convey site runoff to code. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Ajax, 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.
Stormwater Management and Drainage is the grading, structures, and systems that control and convey site runoff to code. Harrowgate Group handles stormwater management and drainage for Ajax around the actual ground conditions, loads, and access of each site, built to spec, not to a template.
Ajax stormwater management and drainage work centres on developments, commercial sites, and municipal works. Controlling site runoff and meeting stormwater requirements are the recurring drivers; each Ajax project is sized to its own situation, not a one-size approach.
What drives stormwater management and drainage in Ajax (Durham Region) is automotive and parts manufacturing, logistics and distribution, food processing, and institutional. Ajax's Bayly and Salem industrial corridors feeding the 401 anchor a strong automotive, logistics, and food-processing construction market. Demand centres on industrial slabs, truck courts, servicing, and loading-dock work.
Most of it sits around the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands. Much of the Ajax work is for manufacturers, distributors, healthcare, and the Town of Ajax, each needing the job built to the drawings, to code, and documented.
Ajax buildings vary widely, automotive and parts manufacturing, logistics and distribution, food processing, and institutional, and the right stormwater management and drainage approach changes with each. Harrowgate Group reads the property before it scopes the project.
The Ajax variables that matter are lakefront exposure, heavy-truck 401 corridor loading, and mixed retrofit and new-build industrial. So Harrowgate Group matches the methods, materials, and equipment to the site, and an Ajax project rarely needs the same approach as a standard property.
Harrowgate Group keeps Ajax stormwater management and drainage on schedule, from quote to crew on site with fast mobilization, then built to grade and documented through to completion.
On Ajax 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.
Whatever professionals an Ajax stormwater management and drainage 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 Ajax project falls between design, permit, and field.
A typical Ajax stormwater management and drainage project pairs the work with local conditions: developments, commercial sites, and municipal works around the Clements and Bayly industrial corridor and clients like manufacturers. Harrowgate Group tailors each project to the situation and documents it for the file. Harrowgate Group also serves nearby Pickering, Whitby, Oshawa, so projects spanning the surrounding area stay with one team.
Every Ajax stormwater management and drainage 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.
Property owners and managers across Ajax choose Harrowgate Group, with 20 years serving the area for stormwater management and drainage because the work is licensed, insured, and fully WSIB-covered, backed by fast mobilization. Knowing Ajax, the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands, means each project is handled by a team that reads the local conditions, not a distant call centre.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
The short version: Stormwater Management and Drainage is the grading, structures, and systems that control and convey site runoff to code. For Ajax projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Ajax and the surrounding area. Response time is fast mobilization.
Across Ajax, the work concentrates around the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands, each job scoped to its own conditions.
Mostly automotive and parts manufacturing, logistics and distribution, food processing, and institutional, Harrowgate Group serves developers, contractors, municipalities, and property owners across Ajax.
In Ajax, the work accounts for lakefront exposure, heavy-truck 401 corridor loading, and mixed retrofit and new-build industrial, so the methods, materials, and equipment is matched to the site.
Stormwater flow, and in Ajax, spec'd to the load and environment on site.
Harrowgate Group responds to Ajax with fast mobilization, covering the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands and the surrounding area.
All of Ajax, the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands and the surrounding neighbourhoods, plus nearby Pickering, Whitby, Oshawa.
Yes, Harrowgate Group handles automotive and parts manufacturing, logistics and distribution, food processing, and institutional across Ajax, 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 Ajax project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Ajax stormwater management and drainage on site and provides a documented scope before any work begins.
Real knowledge of Ajax, the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands, 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 Ajax.
Yes, Harrowgate Group builds the work across Ajax 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 stormwater management and drainage, 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.