The commissioner may issue temporary use certificates for any equipment or device regulated by this code, except power-operated scaffolds, provided that such partial use and operation may be made safely and without endangering public health, safety, and welfare and provided further that such temporary use certificate shall not be issued for a period of more than 30 calendar days, subject to renewal for additional 30-day periods at the discretion of the commissioner. Temporary use certificates for elevators shall also be conditioned upon compliance with the following:
- The class of service to be permitted shall be designated on the temporary use certificate.
- The hoistway shall be enclosed throughout in an enclosure complying with ASME A17.1 or with a temporary enclosure in accordance with the requirements for workers' elevators (temporary elevators) of the Industrial Code of the State of New York, No. 23.
The temporary use certificate shall be posted in a conspicuous location on, or adjacent to, the device covered by the certificate and shall state that the device has not been finally approved by the commissioner.