1206.3.3 Court drainage.
BC § 1206.3.3
The bottom of every court shall be properly graded and drained to a public sewer or other approved disposal system complying with the New York City Plumbing Code. For Group R and I-1 occupancies, such grading and drainage shall also comply with Section 27-2027 of the New York City Housing Maintenance Code. For Group R-1, R-2 and I-1 occupancies, such grading and drainage shall also comply with Section 77 of the New York State Multiple Dwelling Law.













