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ICC key terms

ICC · Get comfortable with the vocabulary.

ICC certification

A credential issued by the International Code Council that verifies a candidate has passed a written examination and met requirements for a code-related job role, such as inspector, plans examiner, or special inspector.

Related: Special inspector, Combination designation
IBC

The International Building Code, a model code that establishes minimum requirements for structural, fire, and life safety of buildings; it is the code most ICC exams test against.

Related: IRC, Adopted code
IRC

The International Residential Code, a model code covering one- and two-family dwellings and townhouses up to three stories, addressing construction, mechanical, plumbing, and electrical provisions for residential buildings.

Related: IBC
Adopted code

The specific edition and local amendments of a model code that a jurisdiction has legally enacted into law, which governs permitting and inspection within that jurisdiction.

Related: IBC, Local amendment
Local amendment

A change a jurisdiction makes to a model code when adopting it, which can add, delete, or modify requirements; exam questions may test the model code unless a local amendment is stated.

Related: Adopted code
Combination designation

An ICC certification that covers multiple inspection disciplines, such as building, mechanical, plumbing, and electrical, allowing one inspector to perform all required inspections on a project.

Related: ICC certification, Special inspector
Special inspector

A qualified person certified to perform inspections of specific construction types or methods, such as welding, concrete, bolting, or fireproofing, where the code requires inspection beyond the standard building inspector's scope.

Related: Statement of special inspections, ICC certification
Statement of special inspections

A document prepared by the registered design professional that identifies which special inspections are required, the applicable standards, and the extent of inspection and testing for a project.

Related: Special inspector, Approved agency
Approved agency

A business entity that is accepted by the building official to perform special inspections or testing, typically demonstrating qualifications through accreditation, licensing, or certification of its personnel.

Related: Special inspector, Statement of special inspections
Approved fabricator

A fabricator whose facilities and quality control procedures have been reviewed and accepted by the building official, allowing reduced special inspection for certain structural work.

Related: Approved agency, Quality control
Quality assurance

The planned system of activities and oversight that ensures a construction process meets specified requirements, including inspections, testing, and documentation performed by an independent party.

Related: Quality control, Special inspector
Quality control

The contractor's or fabricator's own internal procedures and checks used to verify that work and materials conform to the approved plans and specifications before acceptance.

Related: Quality assurance, Approved fabricator
Certificate of occupancy

A document issued by the building official after final inspection confirming that a building or structure complies with the code and may be legally occupied for its intended use.

Related: Final inspection, Permit
Permit

A written authorization issued by the building official that allows construction, alteration, or repair work to proceed under the approved plans and applicable code requirements.

Related: Certificate of occupancy, Plan review
Plan review

The building department's examination of submitted construction documents to verify they comply with the code before a permit is issued and work begins.

Related: Permit, Approved plans
Approved plans

Construction documents that have been reviewed and stamped or otherwise accepted by the building official and that govern the work authorized by the permit.

Related: Plan review, Permit
Final inspection

The last inspection performed after construction is complete to confirm all work complies with the approved plans and code, often a prerequisite for a certificate of occupancy.

Related: Certificate of occupancy
Underground storage tank (UST)

A tank and connected piping with at least ten percent of its volume below grade, used to store petroleum or hazardous substances and subject to federal and state regulation.

Related: Aboveground storage tank (AST), Release detection
Aboveground storage tank (AST)

A storage tank located primarily above the ground surface, regulated under different requirements than underground tanks, including secondary containment and spill prevention provisions.

Related: Underground storage tank (UST)
Release detection

A method or system used to determine whether a regulated storage tank is leaking product into the environment, such as tank tightness testing, monitoring wells, or interstitial monitoring.

Related: Underground storage tank (UST), Leak detection
Secondary containment

A barrier system around a primary tank or piping that captures leaks or spills so released product cannot reach soil or groundwater.

Related: Underground storage tank (UST), Spill prevention
Spill prevention

Equipment and practices such as spill buckets, overfill protection, and proper filling procedures designed to stop product from escaping during delivery to a storage tank.

Related: Secondary containment, Overfill protection
Overfill protection

A device or procedure that stops or alerts operators before a tank is filled beyond safe capacity, preventing releases from the fill connection.

Related: Spill prevention
Cathodic protection

A technique that uses sacrificial anodes or impressed current to prevent corrosion of steel tanks and piping in contact with soil or water.

Related: Corrosion protection, Tank integrity testing
Tank integrity testing

A test that verifies a storage tank and its piping are tight and structurally sound, often required for tightness testing or before returning a tank to service.

Related: Release detection, Cathodic protection
Licensed contractor

A person or business holding a valid state or local license authorizing them to perform specified construction work and to obtain permits for that work.

Related: Qualifying agent, Subcontractor
Qualifying agent

The individual who meets the experience and examination requirements to obtain a contractor license on behalf of a business and who is responsible for its code-compliant work.

Related: Licensed contractor
Subcontractor

A business or individual hired by a general contractor to perform a specific portion of the work, typically holding its own license for that trade.

Related: Licensed contractor, General contractor
General contractor

The party responsible for overall coordination and execution of a construction project, including scheduling, supervision, and compliance with plans and codes.

Related: Subcontractor, Licensed contractor
Change order

A written modification to the contract documents that changes the scope, cost, or schedule of work and must be approved before the affected work proceeds.

Related: Approved plans
Punch list

A written record of incomplete or deficient items identified near the end of a project that the contractor must correct before final acceptance and closeout.

Related: Final inspection
Stop work order

A written directive from the building official requiring that construction halt because work is unsafe, unpermitted, or not in compliance with the code.

Related: Permit, Notice of violation
Notice of violation

A formal written notice from a code official identifying a code violation and specifying the corrective action required and the deadline for compliance.

Related: Stop work order
Means of egress

A continuous and unobstructed path of travel from any point in a building to a public way, including exit access, the exit, and exit discharge.

Related: Occupant load, Fire-resistance rating
Occupant load

The total number of persons for which a building or space is designed, calculated from floor area and use, and used to size exits and egress components.

Related: Means of egress
Fire-resistance rating

The period of time, in hours or minutes, that a building element resists fire exposure under standardized test conditions, used to determine required separation and protection.

Related: Means of egress, Firestop
Firestop

An approved material or system installed to seal openings and penetrations in fire-rated assemblies so that the assembly maintains its required fire-resistance rating.

Related: Fire-resistance rating
Load path

The continuous route through which structural loads travel from the point of application down through framing and foundations to the ground.

Related: Structural observation
Structural observation

The visual review of structural elements by the registered design professional or a designated representative to confirm the work generally conforms to the structural plans.

Related: Special inspector, Load path