N.Y.C. Admin. Code § EBC 810: Section EBC 810: Plumbing

810.1 General.

Plumbing systems including elements and system components, piping and fixtures within the work area in buildings undergoing alteration Level 1 or within rooms or spaces where work on stand-alone systems as described in Section 601.2.3.3 occurs shall comply with the New York City Plumbing Code, Section 310 of this code and this section, as applicable.

810.2 Insulation of concealed piping.

To the extent required by the New York City Energy Conservation Code, where concealed existing piping is exposed during a Level 1 alteration, such piping shall be insulated as required by Section 302.9.4 of this code.