D.C. Mun. Regs. tit. 25-A, § 1601
1601.1 A sink with at least three (3) compartments shall be provided for manually washing, rinsing, and sanitizing equipment and utensils, except as specified in § 1601.3.Pf
1601.2 Sink compartments shall be large enough to accommodate immersion of the largest equipment and utensils. If equipment or utensils are too large for the warewashing sink, a warewashing machine or alternative equipment as specified in § 1601.3 shall be used.Pf
1601.3 Alternative manual warewashing equipment may be used when there are special cleaning needs or constraints and its use is approved. Alternative manual warewashing equipment may include:
(a) High-pressure detergent sprayers;
(b) Low- or line-pressure spray detergent foamers;
(c) Other task-specific cleaning equipment;
(d) Brushes or other implements;
(e) Two (2)-compartment sinks as specified in §§ 1601.4 and 1601.5; or
(f) Receptacles that substitute for the compartments of a multi-compartment sink.
1601.4 Before a two (2)-compartment sink is used:
(a) The licensee shall have its use approved; and
(b) The licensee shall limit the number of kitchenware items cleaned and sanitized in the two (2)-compartment sink, and shall limit warewashing to batch operations for cleaning kitchenware such as between cutting one type of raw meat and another or cleanup at the end of a shift, and shall:
(1) Make up the cleaning and sanitizing solutions immediately before use and drain them immediately after use, and
(2) Use a detergent-sanitizer to sanitize and apply the detergent-sanitizer in accordance with the manufacturer's label instructions and as specified in § 1814; or
(3) Use a hot water sanitization immersion step as specified in §
1909.1(c).
1601.5 A two (2)-compartment sink shall not be used for warewashing operations where cleaning and sanitizing solutions are used for a continuous or intermittent flow of kitchenware or tableware in an ongoing warewashing process.
SOURCE: Final Rulemaking published at 50 DCR 4394 (June 6, 2003); as amended by Final Rulemaking published at 59 DCR 13690 (November 30, 2012).