Ontario Structural Guides & Code Updates
Practical articles on OBC permits, facade and balcony rehabilitation, temporary works, forensic reporting, and Ontario project delivery.
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Complete Guide to Structural Engineering for Ontario Property Owners
What structural engineers do, when you need one, and how OBC and NBC 2020 govern structural design for Ontario buildings.
Ontario Building Code Compliance for Existing Buildings: A Complete Guide
OBC Division B Part 11, O.Reg 332/12, and OHSA requirements for existing buildings in Ontario — what owners must know.
Building Facade Inspections in Ontario: Requirements, Process & Common Findings
When Ontario buildings require facade inspections, what engineers look for, and how cladding distress is classified and reported.
Temporary Works Engineering in Ontario: OHSA Requirements & Best Practices
Shoring, scaffolding, and excavation support in Ontario — OHSA Reg 213/91 requirements and engineering design obligations.
Shoring Systems Explained: Types, Design Principles & Ontario Requirements
Raking shores, dead legs, soldier pile walls, and sheet pile systems — a structural engineer's guide for Ontario construction projects.
Forensic Structural Investigation: Process, Findings & Expert Reports
How forensic structural engineers in Ontario investigate building distress, determine root cause, and produce litigation-ready expert reports.
Structural Failure Analysis: How Ontario Engineers Determine Root Cause
How forensic structural engineers in Ontario identify overload, design deficiency, construction defects, and material failures through systematic analysis.
Expert Witness Engineering in Ontario: Construction Litigation & Dispute Resolution
What to expect from a structural engineering expert witness in Ontario construction litigation, arbitration, and insurance disputes.
Construction Cost Estimation: A Structural Engineer's Approach for Ontario Projects
Accurate structural cost estimation prevents budget overruns — AACE estimate classes, quantity takeoffs, and project-specific Ontario cost drivers explained.
Construction Project Scheduling: CPM, Critical Path & Ontario Best Practices
How structural engineers use CPM scheduling to keep Ontario construction projects on time — activities, float, delay analysis, and scheduling tools.
Construction Administration: The Structural Engineer's Role in Ontario Projects
What structural engineers do during the CA phase — shop drawing review, RFIs, site visits, and change orders on Ontario construction projects.
Specialty Structural Engineering: Roofs, Anchorage, Connections & Formwork in Ontario
Roof dunnage, concrete anchor design per CSA A23.3, steel connection design per CSA S16, and formwork engineering for Ontario structural projects.
Ontario Balcony Inspections Under O.Reg 59/20: Requirements & Process
Ontario's O.Reg 59/20 sets balcony inspection obligations for covered residential buildings. Learn who is responsible, what engineers look for, and how findings are reported under the current framework.
OHSA Reg 213/91: Construction Safety Obligations for Ontario Engineers & Contractors
OHSA Regulation 213/91 governs construction site safety in Ontario. Learn how engineers confirm current design and review obligations for shoring, excavations, formwork, and related temporary works.
Building Condition Assessment (BCA) in Ontario: What It Is & When You Need One
A Building Condition Assessment evaluates structural, mechanical, and envelope systems for existing Ontario buildings. Essential for acquisitions, major renovations, and condo reserve fund studies.
PEO General Review Requirements in Ontario: What Schedule 1 & 2 Engineers Must Do
Ontario's OBC may require General Review by a P.Eng. depending on the permit path and design commitments. Learn how Schedule 1, field review reports, and Schedule 2 fit together.
Underpinning in Ontario: Methods, OHSA Requirements & Adjacent Property Rights
When Ontario excavations threaten adjacent building foundations, underpinning is required. Learn the pit, pile, and micropile methods, OHSA obligations, and how disputes with neighbours are handled.
Toronto ePLAN Filing Support: Drawing Standards, Documents & Review Workflow
Toronto's ePLAN portal is the filing path for many permit applications. See how Asvakas manages drawings, submission requirements, reviewer comments, and the current review process on your behalf.
Ontario Building Permit Process: Engineer-Led Filing to Occupancy
Overview of how Asvakas coordinates Ontario building permit filings under the Building Code Act — application requirements, municipal review, mandatory inspections, and occupancy or closeout steps.
Tarion New Home Warranty & Structural Engineering Obligations in Ontario
Ontario's Tarion warranty includes major structural defect coverage. Learn what qualifies as an MSD, how the claim process works, and when a structural engineer is needed.
CSA Standards in Ontario Structural Engineering: A23.3, S16, O86 & S6 Explained
A practical guide to the CSA standards Ontario structural engineers use for concrete, steel, wood, and bridge design — and how they tie into the current OBC and NBCC adoption path.
OBC Permit Types in Ontario: Building, Conditional, Demolition & Change of Use
A complete guide to Ontario Building Code permit types — when each applies, what drawings and documents are required, and how permit paths vary across Ontario municipalities.
Structural Renovations in Ontario: OBC Compliance, Heritage Buildings & Retrofit Engineering
Structural renovations to existing Ontario buildings require navigating OBC retrofit compliance, heritage designations, and change-of-use requirements. This guide explains the engineering approach.
Seismic Retrofitting in Ontario: NBCC 2020 Triggers, Retrofit Methods & Post-Disaster Buildings
When seismic retrofitting is required in Ontario, how NBCC 2020 seismic provisions apply to existing buildings, and engineering approaches to upgrading unreinforced masonry, concrete frames, and steel buildings.
Structural Peer Review in Ontario: PEO Requirements, Toronto Building Thresholds & Process
When Ontario projects require independent structural peer review, what PEO and Toronto Building Division require, how the two-round review process works, and how to select a qualified reviewer.
Steel Erection Plans in Ontario: OHSA Reg 213/91, Temporary Bracing & P.Eng Obligations
OHSA requires P.Eng-designed erection plans for Ontario steel and precast projects above specific thresholds. This guide covers temporary bracing design, erection sequence, and precast element picks.
Cofferdam Engineering in Ontario: OHSA Reg 213/91, Watercourse Permits & Dewatering Risks
Ontario cofferdam projects require OHSA Part XI compliance, Conservation Authority and DFO permits, and engineering design for hydrostatic, soil, and ice loads. This guide explains all requirements.
Bridge Demolition in Ontario: MTO Authorization, OHSA Requirements & Traffic Management
Ontario bridge demolition requires MTO authorization, a P.Eng demolition plan under OHSA, OTM Book 7 traffic management, and environmental permits. This guide covers all requirements.
Bridge Structural Engineering in Ontario: Erection Plans, Demolition & Cofferdam
P.Eng.-sealed bridge engineering for Ontario — erection plans, falsework design, demolition, cofferdam construction, CHBDC compliance, OHSA requirements, and multi-agency environmental permitting.
Roof Renovation & Replacement in Ontario: Structural Engineering Guide
P.Eng.-sealed structural services for Ontario roof projects — deck replacement, parapet repair, dunnage framing, green roof load analysis, and OBC building permit filings for residential and commercial buildings.
Roof Safety Engineering in Ontario: OHSA Fall Protection, CSA Z259 Anchors & P.Eng Certification
Ontario rooftop safety anchor systems must be P.Eng designed and CSA Z259 certified under OHSA. This guide explains anchor design loads, types, certification requirements, and annual inspection obligations.
Structural Anchorage in Ontario: CSA A23.3 Annex D, Post-Installed Anchors & Special Inspections
Ontario anchor design under CSA A23.3 Annex D covers six failure modes, expansion and adhesive anchor types, pull-out testing, installation verification requirements, and seismic design provisions.
Formwork Engineering in Ontario: CSA S269, OHSA Reg 213/91 & When a P.Eng Stamp Is Required
Ontario formwork must comply with CSA S269 and OHSA Reg 213/91. This guide explains when project-specific engineering is usually required, along with formwork loads, failure causes, and pre-pour review.
Municipal Property Standards Orders in Ontario: Toronto Chapter 629, Structural Repairs & Appeals
Ontario property standards orders require structural repairs within deadlines. Learn how Toronto's Chapter 629 works, when a structural engineer is needed, how to appeal, and what emergency orders mean for building owners.
Insurance Claims for Structural Damage in Ontario: Engineering Assessments & the IBC Process
Structural damage insurance claims in Ontario require P.Eng engineering assessments. Learn how the IBC policy, gradual deterioration exclusion, insurer's independent engineer, and subrogation rights work.
Construction Defect Claims in Ontario: Construction Act, ODACC Adjudication & Rule 53.03 Expert Evidence
Ontario construction defect claims navigate the Construction Act, Tarion warranty, ODACC adjudication, and limitation-law risk. This guide explains the legal framework and the structural engineer's role as expert witness.
Value Engineering in Ontario Construction: Structural VE, CCDC 2 Contracts & Cost Reduction
Structural VE on Ontario projects can improve value when it is handled through a disciplined review process. This guide covers VE workshops, contract treatment, common structural VE items, and how engineers evaluate proposals.
Construction Closeout in Ontario: Substantial Performance, Occupancy Permit & P.Eng Schedule 2 Letter
Ontario construction closeout typically includes occupancy, professional completion certificates, deficiency clearance, and contract closeout coordination. This guide explains the major steps and how they fit together.
Ontario Construction Act 2018: Prompt Payment, Construction Liens, ODACC & Engineer Rights
Ontario's Construction Act introduced prompt payment, ODACC adjudication, and modernized lien law. Learn how structural engineers protect payment rights, preserve liens, and use ODACC for eligible disputes.
Sidewalk Slab Repair & Municipal Standards in Ontario: Engineer's Guide
Ontario sidewalk slab repair and vault engineering — municipal by-law obligations, structural design for slabs over underground spaces, OBC compliance, and P.Eng permit process.
Structural Openings in Ontario Buildings: Windows, Doors & Passage Cuts
Creating new window or door openings in Ontario buildings requires P.Eng structural design under OBC, temporary shoring, and a building permit. Complete engineering and permit process guide.
Façade Renovation & Restoration in Ontario: OBC, O.Reg 59/20 & P.Eng Design Guide
Ontario facade renovation — masonry repointing, cladding system replacement, OBC Part 11 compliance, energy code requirements, heritage considerations, and building permit process.
Heritage Building Structural Restoration in Ontario: Ontario Heritage Act, OBC Part 11 & P.Eng Guide
Restoring a heritage-designated Ontario building involves OHA permits, OBC Part 11 compliance, and P.Eng engineering of historic masonry, timber, cast iron, and early concrete structural systems.
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