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202 O'Connor St, Ottawa, ON K2P 1T6

(450) 464-4426

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About Our Services

Expert solutions for general contractors

We partner with general contractors to provide the drawings, sealed letters, and field coordination required to keep projects on track. Our engineers deliver permit-ready documentation, conduct on-site assessments, and help address municipal requirements. With responsive turnaround times and technical expertise, we support your build from start to finish.

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Our Services

complete contractor-focused engineering solutions

permit packages

Sealed drawings, HVAC layouts, load letters, and lighting coordination.

load checks

Structural validation for partition changes, rooftop additions, and wall openings.

code compliance

Plans reviewed against local codes and standards for approval confidence.

Lighting layouts

Optimized electrical layouts that balance code and efficiency.

field coordination

On-site visits or remote walkthroughs to resolve project changes quickly.

fast turnaround

Quick delivery of sealed documentation to keep your job moving.

from plans to field support

Our process combines engineering documentation with active job-site support. We provide contractors with sealed drawings, permit packages, and calculations while also offering responsive guidance when issues arise on-site. This dual approach ensures that contractors are never left guessing and always have technical backup when it matters most.


We coordinate with municipal authorities and site teams to minimize project delays. By aligning field conditions with design intent, we reduce costly rework and improve efficiency. With ongoing communication and clear documentation, your project advances smoothly, from permitting through execution.

 
 

technology for contractors

We used advanced design software and modeling tools to deliver accurate, coordinated packages for HVAC, electrical, and structural needs. Digital plan sharing ensures updates are quick, precise, and accessible across your team.


Technology Highlights

  • Digital sealed drawings and letters
  • Revit-based coordination
  • Remote review and walkthroughs

Latest Projects

Solution for Industries

residential addition

Delivered HVAC and load assessment package with sealed drawings for a two-story home expansion. Fast turnaround enabled the contractor to secure permits ahead of schedule.


Project Highlights

  • Permit-ready
  • Sealed drawings
  • Quick approvals

rooftop Unit upgrade

Performed structural validation and electrical coordination for new HVAC rooftop units on a retail building. On-site walkthrough ensured compliance before equipment delivery.


Project Highlights

  • Validated loads
  • Code compliance
  • Contractor support

lighting refit

Provided full lighting layouts and code-compliant electrical plans for an office renovation. Plans were permit-ready and allowed work to start immediately upon approval.


Project Highlights

  • Efficient layouts
  • Permit compliance
  • Faster execution

Sotecma's engineers gave us sealed drawings and answered municipal questions quickly. Their support meant no delays on our permit approval.


General Contractor - Ottawa

We received stamped load letters in under a week. The quick response kept our job on track and avoided downtime.


Builder  - Ottawa

Having their engineer walk the site gave our crew confidence. Questions were resolved immediately and the inspector signed off without issue.


Project Manager - Ottawa

General Contractors FAQ

common questions

We supply permit-ready drawings, sealed letters, and code-compliant layouts for mechanical, electrical, and structural needs.

Yes. Many sealed letters and smaller design packages are delivered in under a week. Larger packages can be fast-tracked depending on scope.

Our engineers can visit job sites or support via remote walkthroughs. This ensures design intent matches field conditions.

book an appointment

discuss your project needs today

Whether you need sealed drawings, code reviews, or on-site coordination, our team is ready to assist. We work directly with contractors to streamline approvals and resolve field challenges. By coordinating with both municipalities and construction teams, we ensure smoother permitting and efficient execution. Our engineers deliver clear documentation, responsive support, and tailored solutions that keep your build moving forward on schedule. 


Looking for expert engineering Support for your next project?