OACETT IEPPE study materials
OACETT IEPPE study resources

OACETT IEPPE key terms

OACETT IEPPE · Get comfortable with the vocabulary.

Professional Engineer (P.Eng.) Licence

A provincial licence granted by Professional Engineers Ontario that authorises an individual to practise professional engineering, use the title, and take legal responsibility for engineering work affecting public safety.

Related: Certificate of Authorization, Limited Licence (L.E.L.)
Certificate of Authorization (C of A)

A licence issued to a firm that provides engineering services to the public, requiring the firm to have a professional engineer who assumes responsibility for the firm's engineering work.

Related: Professional Engineer (P.Eng.) Licence, Seal and Signature
Limited Licence (L.E.L.)

A licence issued to an individual who is not a professional engineer but whose scope of practice is limited to a specific area of engineering, allowing independent practice within that defined scope.

Related: Professional Engineer (P.Eng.) Licence, Scope of Practice
Scope of Practice

The defined range of engineering activities a licensee is competent and authorised to perform, determined by education, experience, and the terms of the licence or certificate.

Related: Limited Licence (L.E.L.), Competence
Seal and Signature

The professional engineer's stamp and handwritten or electronic signature applied to documents to certify that the work was performed by or under the supervision of a licensed engineer.

Related: Certificate of Authorization (C of A), Technical Documentation
Code of Ethics

The set of principles and rules adopted by OACETT and PEO that govern the conduct of members, requiring honesty, fairness, competence, and protection of the public interest.

Related: Conflict of Interest, Public Interest
Conflict of Interest

A situation in which a member's personal, financial, or other interest could improperly influence professional judgment, requiring disclosure and avoidance or management of the conflict.

Related: Code of Ethics, Integrity
Public Interest

The welfare and safety of the general public, which takes precedence over the interests of clients, employers, or the professional, and is the foundation of professional regulation.

Related: Code of Ethics, Professional Accountability
Integrity

The quality of being honest, consistent, and principled in professional conduct, including refusing to misrepresent qualifications, test results, or the status of work.

Related: Conflict of Interest, Professional Accountability
Professional Accountability

The obligation of a practitioner to accept responsibility for their actions, decisions, and work products, including errors and omissions, and to report and correct problems promptly.

Related: Public Interest, Due Diligence
Due Diligence

The level of care, investigation, and precaution a reasonable professional would exercise to identify and manage risks before making decisions or issuing work.

Related: Professional Accountability, Risk Assessment
Occupational Health and Safety Act (OHSA)

Ontario legislation that sets out the duties of employers, supervisors, and workers to protect health and safety in the workplace, including the right to refuse unsafe work.

Related: Workplace Hazardous Materials Information System (WHMIS), Internal Responsibility System
Internal Responsibility System (IRS)

The principle underlying Ontario's OHSA that everyone in the workplace shares responsibility for health and safety, with defined duties for employers, supervisors, and workers.

Related: Occupational Health and Safety Act (OHSA), Joint Health and Safety Committee (JHSC)
Joint Health and Safety Committee (JHSC)

A workplace committee composed of worker and employer representatives that identifies hazards, makes recommendations, and helps resolve health and safety concerns, as required by Ontario law.

Related: Internal Responsibility System (IRS), Workplace Hazardous Materials Information System (WHMIS)
Workplace Hazardous Materials Information System (WHMIS)

A Canada-wide system that requires suppliers and employers to provide labels and safety data sheets and to train workers about hazardous materials in the workplace.

Related: Occupational Health and Safety Act (OHSA), Safety Data Sheet (SDS)
Safety Data Sheet (SDS)

A standardized document that provides information about the hazards, safe handling, storage, and emergency measures for a hazardous product, required under WHMIS.

Related: Workplace Hazardous Materials Information System (WHMIS), Personal Protective Equipment (PPE)
Personal Protective Equipment (PPE)

Equipment worn by a worker to minimize exposure to hazards, such as helmets, gloves, and eye protection, used as a last line of defence after engineering and administrative controls.

Related: Safety Data Sheet (SDS), Hierarchy of Controls
Hierarchy of Controls

A risk-management framework that ranks hazard controls from most to least effective: elimination, substitution, engineering controls, administrative controls, and personal protective equipment.

Related: Personal Protective Equipment (PPE), Risk Assessment
Ontario Building Code (OBC)

A regulation under Ontario's Building Code Act that sets minimum standards for the design, construction, renovation, and demolition of buildings, including fire safety and structural requirements.

Related: Permit to Construct, Canadian Standards Association (CSA) Standards
Permit to Construct

An official authorization issued by a municipality or authority having jurisdiction that allows construction or alteration work to proceed after plans have been reviewed for code compliance.

Related: Ontario Building Code (OBC), Authority Having Jurisdiction (AHJ)
Authority Having Jurisdiction (AHJ)

The organization or official responsible for enforcing code requirements and approving equipment, materials, installations, or procedures within a defined geographic or technical area.

Related: Permit to Construct, Canadian Standards Association (CSA) Standards
Canadian Standards Association (CSA) Standards

Consensus-based technical standards developed by the CSA Group that are widely referenced in Ontario regulations for electrical, mechanical, structural, and safety-related design and installation.

Related: Ontario Building Code (OBC), Authority Having Jurisdiction (AHJ)
Technical Documentation

The complete set of records, drawings, specifications, calculations, and reports that define a design, support approvals, and guide construction, operation, and maintenance.

Related: Seal and Signature, As-Built Drawings
As-Built Drawings

Drawings revised after construction to show the actual installed conditions, dimensions, and locations of components, used for future maintenance, renovation, and record-keeping.

Related: Technical Documentation, Shop Drawings
Shop Drawings

Detailed drawings prepared by a contractor or fabricator that show how specific components will be manufactured and installed, submitted to the designer for review and approval.

Related: As-Built Drawings, Submittal Review
Submittal Review

The process by which the design professional examines contractor submissions such as shop drawings, product data, and samples to verify conformance with the contract documents.

Related: Shop Drawings, Request for Information (RFI)
Request for Information (RFI)

A formal written request from a contractor to the design professional seeking clarification or additional information about the contract documents during a project.

Related: Submittal Review, Change Order
Change Order

A written amendment to the contract, authorised by the owner, that modifies the scope, schedule, or price of the work after the contract has been executed.

Related: Request for Information (RFI), Critical Path Method (CPM)
Critical Path Method (CPM)

A scheduling technique that identifies the longest sequence of dependent activities determining the project's minimum duration, and highlights activities where delay affects completion.

Related: Gantt Chart, Earned Value Management (EVM)
Gantt Chart

A bar chart that displays project activities against a calendar timeline, showing start and finish dates, durations, and sometimes dependencies and progress.

Related: Critical Path Method (CPM), Milestone
Earned Value Management (EVM)

A project control method that integrates scope, schedule, and cost by comparing planned value, earned value, and actual cost to measure performance and forecast outcomes.

Related: Critical Path Method (CPM), Cost Variance
Cost Variance

The difference between the budgeted cost of work performed (earned value) and the actual cost of that work, indicating whether a project is under or over budget.

Related: Earned Value Management (EVM), Schedule Variance
Schedule Variance

The difference between the budgeted cost of work performed (earned value) and the budgeted cost of work scheduled, indicating whether a project is ahead of or behind schedule.

Related: Earned Value Management (EVM), Cost Variance
Quality Assurance (QA)

The planned and systematic activities implemented to ensure that products or services meet specified quality requirements, focusing on process improvement and defect prevention.

Related: Quality Control (QC), Inspection and Test Plan (ITP)
Quality Control (QC)

The operational techniques and activities used to verify that work products conform to quality requirements, including inspection, testing, and measurement of completed work.

Related: Quality Assurance (QA), Non-Conformance Report (NCR)
Inspection and Test Plan (ITP)

A project document that lists the inspections and tests required for specific work, the acceptance criteria, and the hold points where work cannot proceed without approval.

Related: Quality Assurance (QA), Hold Point
Hold Point

A designated stage in a process where work must stop and specified inspection or approval must be obtained before proceeding, as defined in the inspection and test plan.

Related: Inspection and Test Plan (ITP), Witness Point
Witness Point

A point in a process where an inspector or client may observe the activity but work may proceed without their attendance if they do not attend.

Related: Hold Point, Inspection and Test Plan (ITP)
Non-Conformance Report (NCR)

A document that records a failure of a product, process, or service to meet specified requirements, and describes the disposition and corrective action required.

Related: Quality Control (QC), Corrective Action