N.Y.C. Admin. Code § 22-115: § 22-115 Removal of sweepings, ashes and garbage.

The commissioner shall dispose of all sweepings, ashes and garbage removed by him or her in cleaning wharf property pursuant to subdivision b of section seven hundred four of the charter. For that purpose the commissioner may use concurrently with the department of sanitation, such dumping boards, slips and piers as may be assigned to and set apart for the use of such department.