Engineering Permit Closure Services for Existing Buildings | Final Review & Sign-Off

Permit Closure & Final Engineering Review for an Existing Industrial Building

Closing open building permits is a critical yet often overlooked stage of any construction project—especially for existing industrial facilities. In one of our recent projects, our team was engaged to provide full permit-closure support and final professional review for an operational industrial building where the original consultants were no longer available.

This type of engagement requires experience, precision, and a strong understanding of municipal requirements. Our role was to ensure that all previously approved work complied with the Ontario Building Code (OBC) and to support the City’s permit closure process through comprehensive review and documentation.

Project Overview

The project involved an existing industrial facility with outstanding building, plumbing, mechanical (HVAC), structural, and architectural permit requirements. While construction activities had been completed in the past, final professional sign-offs were still required by the municipality to officially close the permits.

Our scope focused on verification, compliance, and coordination, rather than new design. Acting as the reviewing consultant, we assumed responsibility for confirming that the completed work aligned with the originally approved permit drawings and applicable code requirements.

Our Scope of Services

1. Comprehensive Document Review

We began by reviewing all available documentation, including:

  • Approved permit drawings

  • Previous inspection records

  • Life safety and emergency lighting reports

  • Contractor as-built drawings

  • Third-party review reports

This step allowed us to identify potential gaps, inconsistencies, or deviations before proceeding to site inspections.

2. Multi-Disciplinary Site Verification

Our engineering team conducted detailed field inspections across all required disciplines:

  • Mechanical / HVAC: ductwork, exhaust systems, heating equipment, and rooftop units

  • Plumbing: sanitary systems, drainage, venting, and backflow prevention

  • Structural: concrete pads, slab modifications, framing changes, and load-supporting elements

  • Architectural: egress routes, travel distances, fire separations, emergency lighting, and accessibility compliance

Each element was reviewed against the approved permit scope and the Ontario Building Code.

3. Deficiency Identification & Reporting

Where discrepancies were identified, we prepared a detailed deficiency report, including:

  • Photographic documentation

  • Discipline-specific observations

  • References to applicable OBC clauses

  • Clear recommendations for corrective action

This structured approach ensured transparency and efficient resolution.

4. Coordination with Trades & Consultants

Permit closure often requires collaboration. We coordinated closely with contractors, suppliers, and specialty consultants to:

  • Address deficiencies

  • Obtain required certifications and test results

  • Confirm completion of remedial work

This step was essential to minimizing delays and ensuring readiness for final submission.

5. Final Engineering Review & Permit Closure Support

Once compliance was confirmed, we prepared and issued Engineers’ Letters of General Review for:

  • Mechanical (HVAC)

  • Plumbing

  • Structural

  • Architectural

These letters were submitted to the municipality to support the official closure of all outstanding permits.

Why Professional Permit Closure Matters

Unclosed permits can create serious challenges for property owners and operators, including:

  • Delays in future renovations or expansions

  • Issues during property sale or refinancing

  • Compliance risks with municipal authorities

A structured, professional permit-closure process protects owners from long-term risk while ensuring public safety and regulatory compliance.

Our Approach

Projects like this demonstrate our ability to manage complex existing-building reviews, take responsibility where original consultants are unavailable, and deliver clear, defensible documentation that municipalities trust.

Whether for industrial, commercial, or residential properties, our team provides:

  • Code-compliant engineering review

  • Clear communication with authorities

  • Practical solutions for legacy construction challenge

 

Looking to Close an Outstanding Permit?

If you are dealing with open permits on an existing building, our team can guide you through the process—from initial review to final sign-off—with confidence and clarity.

Contact us to learn how we can support your permit closure and compliance needs.