
From the 2022 NYC Building Code:
1705.31 Heating systems.
Special inspection shall be required for new and altered boilers and heating systems. All boilers and heating systems, including chimney connectors, shall be inspected for compliance with the approved construction documents. New heating systems shall be tested in accordance with Section 1011 of the New York City Mechanical Code. Alterations to heating systems shall be subjected to applicable tests for the altered portions of the system and to verify its satisfactory operation within the existing system. Special inspection of seismic bracing shall be performed in accordance with Section 1705.12 of this code.
Exception: Tests and inspections need not duplicate any valid tests or inspections previously certified by the com-missioner or a duly authorized insurance company.
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