Engineering for Alterations, Upgrades, and Rehabilitation of Existing Steel Structures
Sepco Consulting Engineers provides structural assessment, capacity evaluation, strengthening, and rehabilitation design services for existing steel structures throughout Ontario.
Our services apply where structural integrity must be reviewed due to aging, deterioration, damage, observed distress, increased loading, equipment installation, change of use, or proposed modifications. Where deficiencies are identified, we develop practical strengthening solutions and prepare reinforcement details that can be fabricated and installed.
Industrial, commercial, and institutional facilities frequently require modifications to existing structural steel framing. These projects typically involve steel beams, columns, braces, connections, trusses, and other structural steel members that require engineering review before they can be safely altered, strengthened, or expanded.
This integrated service allows the existing structure to be assessed and the required strengthening or rehabilitation to be developed under one engineering scope.
Sepco Consulting Engineers provides structural engineering services for structural steel modifications throughout Ontario. We assess existing conditions, evaluate proposed changes, and prepare the engineering documentation required to support fabrication, permitting, and construction.
When Should an Existing Steel Structure Be Assessed?
A structural assessment may be required when:
- The structure shows corrosion, deformation, cracking, or other deterioration
- Structural members or connections have been damaged
- The structure has experienced impact, fire, overloading, or another unusual event
- Building loads or operational requirements are changing
- New equipment, platforms, piping, or mechanical systems are being installed
- The building use or occupancy is changing
- Previous modifications may have affected the original structural system
- Existing drawings are unavailable or do not reflect current conditions
- Structural capacity or integrity has been questioned
- An aging structure is being considered for continued or extended service
The required scope depends on the nature of the concern, the available documentation, accessibility, and the type and extent of the existing structure.
When Is Structural Engineering Required?
Engineering review is commonly required when:
- Existing steel beams require modification
- Existing steel columns require strengthening
- Steel bracing systems are altered
- Existing steel connections require redesign
- New equipment is supported by existing steel framing
- Additional steel framing is added
- Existing steel structures require reinforcement
- Structural steel members are removed or relocated
Even seemingly minor modifications can significantly affect structural load paths and overall system performance.
Structural Steel Modifications We Design
We provide engineering services for:
- Steel mezzanine modifications
- Steel beam modifications
- Steel column modifications
- Steel connection modifications
- Steel bracing modifications
- Steel truss modifications
- Steel frame strengthening
- Steel reinforcement
- Steel member replacement
- Structural steel additions
- Structural steel removals
- Reinforcement and strengthening projects
Each project is evaluated based on existing conditions, proposed modifications, and applicable loading requirements.
Structural Assessment and Capacity Evaluation
Depending on the project, our assessment may include:
- Site inspection
- Structural measurements
- Review of available drawings
- Evaluation of existing framing
- Load path review
- Capacity assessment
- Documentation of accessible members and connections
- Identification of visible corrosion, damage, deformation, or previous modifications
- Analysis of beams, columns, braces, trusses, frames, and connections
- Evaluation of existing and proposed loading
- Identification of structural limitations
- Recommendations for strengthening where required
- Recommendations for repair, monitoring, or further investigation
Where documentation is unavailable, field investigation may be required to establish existing conditions.
The assessment scope is developed for the specific concern and may be limited by concealed conditions, accessibility, and the availability and reliability of existing information.
Strengthening and Rehabilitation Design
Where an assessment identifies inadequate capacity, deterioration, damage, or other structural deficiencies, we can develop strengthening and rehabilitation solutions for the affected structure.
Solutions may include:
- Reinforcement of existing beams and columns
- Strengthening or replacement of steel connections
- Addition or modification of bracing
- Reinforcement of trusses and supporting frames
- Addition of plates, angles, stiffeners, or supplemental members
- Repair or replacement of damaged steel components
- Modification of the structural load path
- Design of new framing to support increased loads
- Preparation of reinforcement and connection details for fabrication and installation
Strengthening details are developed with consideration for existing conditions, access, fabrication, installation, and construction sequencing.
Industrial and Commercial Applications
We regularly assist with:
- Manufacturing facility upgrades
- Warehouse modifications
- Equipment installations
- Process upgrades
- Utility installations
- Maintenance projects
- Rehabilitation projects
Our objective is to develop practical solutions that support project goals while maintaining structural integrity.
Engineering Documentation
Depending on project requirements, deliverables may include:
- Structural calculations
- Modification drawings
- Reinforcement details
- Connection design
- Stamped engineering letters
- Engineering reports
- Shop drawing review
- Permit support documentation
- Condition and capacity assessment findings
- Repair and rehabilitation drawings
- Fabrication and installation details
Documentation can be prepared to support municipal approvals, fabrication, construction, and project implementation.
Why Choose Sepco Consulting Engineers?
- Licensed Professional Engineer (P.Eng.)
- Designated Consulting Engineer
- Ph.D. in Structural Engineering
- More than 20 years of structural engineering experience
- Extensive experience with steel structures and structural modifications
- Advanced structural analysis capabilities
- Practical designs focused on constructability and efficiency
- Direct access to the Principal Engineer
- Integrated assessment, analysis, strengthening, and connection design services
We understand the challenges associated with assessing, rehabilitating, and modifying existing structural steel systems and provide engineering solutions that help projects move forward safely and efficiently.
Request a Structural Steel Assessment
If an existing steel structure requires a condition assessment, capacity evaluation, modification, strengthening, or rehabilitation design, contact Sepco Consulting Engineers.
We can assess the existing structure, identify structural limitations, and develop practical reinforcement and connection details where required.
We provide structural engineering services for existing steel structures throughout Ontario.
Call: 416-672-0202
Email: info@sepcoengineering.com
Online: Contact Form