OK HVAC Contractor flashcards

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

Oklahoma mechanical licensing agency

The Oklahoma Construction Industries Board (CIB) administers mechanical licensure, adopts rules in the Oklahoma Administrative Code, and handles discipline of licensed mechanical contractors and journeymen.

Mechanical contractor qualifier

A designated individual holding the required mechanical credential who is responsible for the firm's code-compliant work; the qualifier is registered with the CIB and tied to that business.

Rough-in inspection

A staged inspection performed after ductwork, refrigerant lines, drains, and venting are installed but before they are concealed by drywall or other finishes. Concealed work must pass first.

Final mechanical inspection

The last inspection confirming equipment installation, clearances, venting, combustion air, condensate disposal, and controls are complete and code-compliant before the system is placed in service.

Permit before work rule

Mechanical work requires a permit issued before installation begins; emergency repairs may proceed but require a permit application within the jurisdiction's stated window, often the next business day.

Limited mechanical license scope

A restricted credential allowing work only within defined categories, such as residential systems or specific equipment classes; work outside the listed scope requires an unlimited license.

Local registration requirement

Cities and counties may require separate municipal registration or permits even when a valid state mechanical license is held; the state license does not substitute for local approval.

Reinspection fee

A charge imposed when work fails inspection and must be re-examined; repeated failures can lead to disciplinary referral to the CIB in addition to the fees.

CIB disciplinary authority

The Construction Industries Board may reprimand, fine, place on probation, suspend, or revoke a mechanical license for code violations, incompetence, fraud, abandonment, or unpermitted work.

License renewal and lapse

Mechanical licenses renew on the CIB cycle and require continuing education; a lapsed license bars legal contracting or mechanical work until reinstated, possibly with late fees and CE.

Unlicensed work penalty

Performing mechanical work without a required license violates Oklahoma law and can bring administrative penalties, cease-and-desist orders, and discipline for a contractor who subcontracts to unlicensed parties.

License number display rule

CIB rules require the license number to appear on advertising, bids, contracts, and vehicles as specified, so the public can verify the contractor's standing with the Board.

Written contract elements

Residential mechanical contracts must state scope, price, payment schedule, and the homeowner's cancellation rights; Oklahoma consumer protection law bars deceptive home-repair practices.

Qualifier change notification

Licensees must notify the CIB when the designated qualifier, business name, or address changes within the time set by rule; operating without a qualifier of record is disciplinable.

Surety bond requirement

Mechanical contractors must maintain the surety bond and liability insurance the CIB requires, and must provide proof of coverage when requested during an investigation or renewal.

Oklahoma adopted mechanical code

Oklahoma adopts the International Mechanical Code statewide, with local amendments; the IMC references the International Fuel Gas Code and International Plumbing Code for related systems.

Combustion air openings

Fuel-fired appliances in confined spaces need permanent high and low openings sized by the IMC/IFGC free-area formula, or a documented indoor/outdoor air combination per code tables.

Category I venting

Category I appliances vent into a listed chimney or Type B vent with proper rise and roof termination; Category III and IV appliances use listed venting meeting manufacturer clearances.

Duct velocity limits

Supply trunk velocities are typically kept around 700–900 fpm and returns around 600–700 fpm to control noise and static pressure, with sizing per Manual D or equivalent.

A2L refrigerant rules

Mildly flammable A2L refrigerants require compliance with ASHRAE 15/34 and the IMC refrigerant chapter, including charge limits, ventilation, and detection where mandated.

Gas piping pressure test

New gas piping is pressure-tested before service, commonly at 1.5 times working pressure but not less than 3 psi for low-pressure systems, and leak-checked per code.

Clearance to combustibles

Furnaces, water heaters, and flue connectors must maintain the manufacturer's listed clearance to combustibles; single-wall connectors need greater clearance than listed Type B vent.

Carbon monoxide alarm rule

Adopted code cycles require CO alarms in dwelling units with fuel-fired appliances or attached garages, placed per manufacturer instructions and code requirements for the jurisdiction.

Mechanical continuing education

Licensees must complete CIB-required CE hours each renewal cycle, including Oklahoma law and rule updates plus technical code topics, and retain completion certificates for audit.

CE provider approval

Only CIB-approved courses and providers count toward renewal; licensees should confirm the provider's approval number before enrolling, since unapproved hours are rejected.

Business entity registration

Sole proprietorships, LLCs, and corporations performing mechanical work must register their mechanical qualifier with the CIB and file updated paperwork when the entity changes.

Workers' compensation compliance

Oklahoma construction contractors must carry workers' compensation coverage or hold an approved exemption, and must register for unemployment insurance before hiring employees.

Mechanic's lien rights

Contractors and suppliers who furnish labor or materials may file a mechanic's lien; pre-lien notice and filing deadlines are strict and differ for residential and commercial projects.

Business record retention

Keep contracts, change orders, permits, inspection records, and CE certificates for the period required by the CIB and tax authorities, commonly at least three to five years.

Change order enforceability

Change orders must be written and signed to be enforceable and to preserve lien rights; verbal changes risk unpaid work and disputes over scope and price.

Subcontractor insurance verification

Before allowing a subcontractor on site, obtain a certificate of insurance confirming general liability and required workers' compensation coverage to limit the contractor's risk.

Overhead and profit pricing

Estimates should separate labor, material, equipment, overhead, and profit so pricing covers indirect costs and margin rather than only direct job costs.