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Structural, Civil and Building Engineering in Ontario and Across Canada

You need sealed drawings a building department will accept and a structure that will stand for generations. IN Engineering + Planning provides structural engineering (timber frame and mass timber first), civil and site engineering, and building code compliance from Brockville, for projects across Ontario, including Eastern Ontario, the GTA, North York and Hamilton, and in Nova Scotia, British Columbia, Nunavut and the Northwest Territories.

Start a Project Call 613-498-3508

Who We Help

Homeowners and builders who need a structure engineered or a problem assessed, commercial and industrial owners, land developers, and public clients such as municipalities, conservation authorities and federal departments. Our engineers are licensed in Ontario, Nova Scotia, British Columbia, Nunavut and the Northwest Territories, and we are members of ACEC and IWSCC.

Engineering Services

Structural Engineering

Timber frame and mass timber, houses and additions, commercial and industrial buildings in steel, concrete and masonry, retaining walls and foundations, and heritage structures.

Mass timber engineering →
Traditional timber framing →
House structural engineering →
Masonry and heritage structures →
Reinforced concrete →

Civil and Site Engineering

Grading and drainage plans, stormwater management, site servicing, floodplain and shoreline work, farm buildings, and bridges and culverts.

Civil and geotechnical engineering →
Bridge and culvert engineering →
Farm building engineering →

Building Engineering and Compliance

Building code reviews and alternative solutions, structural assessments and forensic investigations, seismic design, and general review and contract administration during construction.

Building code reviews →
Structural and forensic assessments →
Seismic engineering →
Contract administration →

Engineering Projects

Design model of the Five Mile Light replica lighthouse on Cole Shoal

St. Lawrence River · 2020

Five Mile Light at Cole Shoal

Rebuilt the last of the 1856 St. Lawrence lighthouses near Brockville on an in-water foundation designed for ice loads.

Render of the Reynolds Park Pavilion on the Brockville waterfront

City of Brockville · 2026

Reynolds Park Pavilion

Waterfront pavilion in a regulated floodplain on driven steel piles designed for flood, wave and ice forces.

P&G Pavilion at Rotary Park in Brockville with its lit timber frame

Brockville · Timber Frame

P&G Pavilion at Rotary Park

Timber-frame community pavilion with change rooms and a rink-side covered area. Civil, architectural and structural engineering.

Limestone caretaker's residence behind the Old Post Office in Kingston

Kingston · Federal · 2020

Old Post Office Caretaker's Residence

Heritage assessment and adaptive-reuse study of an 1868 stone building in a federally classified heritage complex.

Where Our Engineers Work

Eastern Ontario · GTA, North York and Hamilton · all of Ontario · Nova Scotia, British Columbia, Nunavut and the Northwest Territories

How It Works

1. Send Us the Scope

Location, what you are building or what has gone wrong, and any drawings or photos.

2. Get a Sealed Design

Calculations and sealed drawings from a licensed professional engineer, coordinated with your designer or ours.

3. Build With Confidence

General review during construction where the permit or the project needs it.

Common Questions

Where Are Your Engineers Licensed?

Ontario, Nova Scotia, British Columbia, Nunavut and the Northwest Territories. In Ontario we take engineering work province-wide.

Do You Only Do Timber?

No. Timber frame and mass timber are a specialty, but we also engineer steel, concrete, masonry and light-framed wood structures, and civil site work.

Can You Engineer Plans Someone Else Designed?

Yes. We regularly engineer and seal drawings prepared by designers, builders and owners.

Need a Structure Engineered or Assessed?

Tell us what and where. A licensed engineer will review it and tell you what comes next.

Start a Project Call 613-498-3508