The NYC Construction Codes designate third parties as Approved Agencies to perform tests or inspections of materials and equipment, construction-related activities and qualification of specified field personnel.
Approved Agencies must meet qualifications and duties outlined in Section C of the Approved Agency Rule
Types of Approved Agencies
Approved Concrete Producers
Concrete producers perform and file concrete mix designs to the Department of Buildings without the use of a licensed concrete testing laboratory. See Buildings Bulletin 2011-008. View the list of Approved Concrete Producers.
Concrete Testing Laboratories
Concrete Testing Laboratories are licensed to test and inspect concrete to be used in construction. Learn more about concrete testing:
Approved fabricators custom manufacture or build products or assemblies regulated by the NYC Construction Codes and are exempt from Special Inspection requirements. View the list of Approved Fabricators.
Approved Quality Assurance Agency
Approved quality assurance agencies review fabricators’ written procedural and quality control manuals and perform periodic auditing of fabrication practices. View the list of Approved Quality Assurance Agencies.
Approved Inspection Agency
Inspection agencies evaluate building products for continuous compliance with applicable standards through the listing period. These agencies are qualified to conduct periodic, unannounced, follow-up factory inspections. Inspection agencies will also have the authority to label products.
- Boiler Inspection Agencies
Boiler Inspection Agencies conduct periodic boiler inspections required by section 28-303.2 of the Administrative Code.
- Elevator Inspection Agencies
Elevator Inspection Agencies conduct periodic elevator inspections and tests required by section 28-304.6 of the Administrative Code.
- Exterior Wall Inspection Agencies
Exterior Wall Inspection Agencies conduct inspections and examinations of a building’s exterior walls and appurtenances. Inspections must be performed by or under the supervision of a Qualified Exterior Wall. Learn more.
- Material & Equipment Certification Agencies
Material and Equipment Certification Agencies test, evaluate and certify materials and equipment for compliance with the Construction Codes.
- Progress Inspection Agencies
Progress Inspection Agencies perform progress inspections. Inspections must be performed by a registered design professional with relevant experience, or a person under his or her direct supervision.
Approved Agencies for Qualifying Pipe Welders
Pipe welder qualifying agencies qualify pipe welders for gas pipe welding as required by section FGC 406.1.1.1 and high pressure steam pipe welding as required by section MC 1210. View the list of Approved Agencies for Qualifying Pipe Welders.
- Qualified Pipe Welders
Welders performing pipe welding for gas (as required by section FGC 406.1.1.1) and high pressure steam (as required by section MC 1210) must be qualified for all required pipe sizes, wall thickness and positions. Qualified Pipe Welders must be qualified by an approved agency for qualifying Pipe Welders. View Pipe Welder qualification requirements.
Approved Testing Agency
Testing agencies test and evaluate the performance of the materials and equipment regulated in their use by the 2008 Construction Codes.
Adhesive Anchor Installer Certification Program