Int 0576-2011

Be it enacted by the Council as follows: Section 1. Section 3302.1 of chapter 33 of the New York city building code is amended by adding the following definition, to be placed in appropriate alphabetical order: CONCRETE WASHOUT WATER. Wastewater from the rinsing of equipment used to mix, transport, convey, and/or place concrete. Such equipment shall include, but not be limited to, concrete buckets, concrete hose lines and pumps, boots, shovels, finishing tools, wheelbarrows, motorized concrete carts, concrete pour funnels and the chute of concrete mixer trucks. Exceptions: 1. This term shall not include wastewater from the rinsing of equipment involved in the preparation, conveyance or application of concrete that is 1.1 mixed on site if the total quantity of concrete is less than or equal to one and one half cubic yards, or 1.2 from bagged ready mix if the total quantity of concrete is less than or equal to sixty (60) eighty pound bags, or eighty (80) sixty pound bags, or the equivalent. 2. This term shall not include wastewater from the rinsing of the wheels, undercarriage or chassis of concrete mixer trucks. § 2. Chapter 33 of the New York city building code is amended by adding a new section 3303.15 to read as follows: 3303.15 Concrete washout water. Concrete washout water shall not be allowed to enter any sewer, catch basin, drain, or body of water or to leach into the ground. 3303.15.1 Collection and containment. All concrete washout water shall be collected and contained in or on the concrete mixer truck or in pre-manufactured watertight containers specifically designed and fabricated for the purpose of collecting and containing concrete washout water on-site. Such containers shall be of sufficient quantity and size to accommodate all rinsing operations required on-site so as not to delay the timely return of concrete ready mix trucks to the concrete plant and shall be protected from breach or overflow at all times. 3303.15.2 Location. Rinsing operations and concrete washout water containers shall not be located less than 30 feet from any sewer, drain, catch basin, or body of water without the written approval of the commissioner. 3303.15.3 Disposal. Collected concrete washout water shall be transported off site for treatment and disposal or contained on site until completely evaporated. Any hardened concrete remaining after evaporation shall be disposed of, reused or recycled. § 3. This local law shall take effect July 1, 2012. Jtb 11/20/11 6:51pm