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Stephen  Pichette, P. Eng. 
Ottawa Manager

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David Schaeffer, P.Eng.
Owner

Get designs For Large residential subdivisions in just 10 business dAys

Our builder-oriented civil engineering consulting firm gets you to market faster to maximize your profits.

Ben

Project Manager

Milton Team

A Sample Of Our Projects

TESTIMONIAL OPTIONS BELOW

GET TO MARKET FASTER. REDUCE A 3 MONTH PROCESS TO JUST 10 DAYS.

Book A Consultation Now ❯

Choose DSEL To Move Faster and Control Costs

Reduce carrying costs, beat fee increases, avoid changes in regulation, compress your schedule..

Reduced Capital Costs

Reduced Production Time

Where fast is normal. DSEL offers industry-shattering design timelines to meet the most demanding project schedules for large, complex subdivisions. Get to market faster with detailed engineering drawings in 10 business days.  

Streamlined Approvals

We assist approval agencies to quickly verify conformance with design standards. 

Genuine Design Choices

Move beyond the numbers with Builder Visualization. See what you're building and focus your decision making. Colour-coded drawings reveal what's important to you.  Understand your subdivision in seconds.

It is exciting to be on the leading edge of our fast-paced industry. The 426-unit job was paved to base asphalt less than 12-weeks after receiving the storm ECA’s, despite having challenging features including deep servicing, two SWM Ponds, and a sensitive wetland to protect. The project met an unprecedented schedule and delivered a fully permit-serviced site to our client, less than 12-months after the first submission drawings.  

Matt W.

 Manager of Project Administration,

Ottawa Region Team


Using DSEL’s systematic approach to land development design, we were able to advance the 570 acre Cardinal Creek Village study area through a master servicing study and Stage 1 draft plan approval process to delivery of a complete detailed design package to service more than 1,000 homes, all in a period of just over one year.

Our team has played an important role in the realignment of existing channels, creation of new wildlife habitats, installation of deep sewers within shale, installation of open-span culverts, completion of thousands of cubic metres of earth moving, as well as installation of services within existing rights-of-way and environmentally sensitive areas using trenchless construction methods. Through DSEL’s dynamic work environment, as well as a highly-motivated and communicative team, we have been able to consistently deliver these projects at an impressive pace

I have known David Schaeffer for more than 25 years, and my company Mattamy Homes has worked with DSEL across Canada, as Mattamy’s most significant civil engineering and land development provider. There are many reasons we go back to them time and time again. David and his team have made it a priority over the years to get to know Mattamy, our business, our processes and our product extremely well. As such, we’ve built a particularly effective partnership – they have grown and worked in lockstep with our teams, are responsive to and anticipate our needs, and are always willing to go the extra mile. I have known DSEL to be innovative, creative thinkers when it comes to problem-solving – but frankly, they usually anticipate and address problems before they present! They also have great relationships with the other stakeholders we need to engage with in our business, such as conservation authorities and municipalities, making the process smoother and end result a collaborative effort. I couldn’t recommend a more valued partner.

Peter Gilgan, O.C., O.Ont., LL. D. FCA, CPA

Chairman & CEO of Mattamy Asset Management and Founder of Mattamy Homes 

Dylan

Project Manager

Oakville Team

Book A Consultation Now ❯

Our builder-oriented civil engineering consulting firm provides  innovative engineering solutions with unparalleled attention to detail so you can maximize your profits

Tamarack Homes has been trusting DSEL with our civil engineering for almost two decades.  Throughout this time we have developed a strong partnership with the leadership and staff at DSEL. They are there when we need them, providing measured high level advice, as well as competent and detailed solutions.  Their innovative and forward-thinking staff are supported by advanced subdivision design technology. But what truly sets DSEL apart is their dedication to their work. The people at DSEL care about our projects and communities as much as we do. I can always trust the DSEL team to deliver cost-effective engineering design and to support our project through construction to ensure our goals and milestones are achieved.

Michelle Taggart | VP Land Development

Tamarack Developments & Taggart Investments 

DSEL’s subdivision engineers can accelerate your subdivision using proprietary technology and decades of hands-on experience specializing in large residential communities.