Certification & Material Acceptance
The Office of Technical Certification and Research (OTCR) oversees technical certifications of approved agencies and entities performing inspections, tests, material approvals, and evaluates new technology that enhances safety, sustainability, and efficiency.
Materials are classified and recognized in accordance with section 28-113 of the Administrative Code and the OTCR Rule
Special Inspections are conducted during the construction process to verify that work is being done in accordance to approved plans and specifications. Special Inspections must be performed by Special Inspectors on behalf of a Special Inspection Agency.
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