Statutes, codes, and regulations
District Of Columbia Administrative Code
Title 12 - CONSTRUCTION CODES SUPPLEMENT OF 2017Subtitle 12-K - GREEN CONSTRUCTION CODE SUPPLEMENT OF 2017
Chapter 12-K7 - WATER RESOURCE CONSERV EFFICIENCY
Rule 12-K702 - FIXTURES, FITTINGS, EQUIPMENT AND APPLIANCES

D.C. Mun. Regs. tit. 12, r. 12-K702

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Current through Register Vol. 71, No. 49, December 6, 2024
Rule 12-K702 - FIXTURES, FITTINGS, EQUIPMENT AND APPLIANCES

Strike Section 702.1 including Table 702.1 of the International Green Construction Code in their entirety and insert new Section 702.1 and Table 702.1 in the Green Construction Code in their place to read as follows:

702.1

Fitting and fixture consumption. Fixtures shall comply with Table 702.1.

TABLE 702.1

MAXIMUM FIXTURE AND FITTING FLOW RATES

FOR REDUCED WATER CONSUMPTION

FIXTURE OR FIXTURE FITTING TYPE

MAXIMUM FLOW RATE

Showerheada

2.0 gpm and WaterSense labeled

Lavatory faucet and bar sink-private

1.5 gpm and WaterSense labeled

Lavatory faucet-public (metered)

0.25 gpcb

Lavatory faucet-public (nonmetered)

0.5 gpm

Kitchen faucet-private

1.8 gpm

Kitchen and bar sink faucets in other than dwelling units and guestrooms

1.8 gpm

Urinal

0.5 gpf and WaterSense labeled or nonwater urinal

Water closet-public

1.28 gpf averagec

Water closet-tank type, private

1.28 gpf and WaterSense

labeledc

Water closet-flushometer type, private

1.28 gpf

Prerinse spray valves

1.3 gpm and WaterSense labeled

Drinking fountains (manual)

0.7 gpm

Drinking fountains (metered)

0.25 gpcb

For SI: 1 foot = 304.8 mm, 1 gallon per cycle (gpc) = 3.8 Lpc, 1 gallon per flush (gpf) = 3.8 Lpf, 1 gallon per minute (gpm) = 3.8 Lpm.

a. Includes hand showers, body sprays, rainfall panels and jets. Showerheads shall be supplied by automatic compensating valves that comply with ASSE 1016 or ASME A112.18.1/CSA B125.1 and that are specifically designed to function at the flow rate of the showerheads being used.
b. Gallons per cycle of water volume discharged from each activation of a metered faucet.
c. The effective flush volume for a dual- flush water closet is defined as the composite, average flush volume of two reduced flushes and one full flush.

Strike Section 702.6 of the International Green Construction Code in its entirety and substitute a new Section 702.6 in the Green Construction Code in its place to read as follows:

702.6

Appliances. Sections .1 through .4 shall regulate appliances that are not related to space conditioning

702.6.1

Clothes washers. Clothes washers of the type in the ENERGY STAR program as defined in "ENERGY STAR® Program Requirements, Product Specification for Clothes Washers, Eligibility Criteria," shall have a water factor (WF) not exceeding 6.0 and a modified energy factor (MEF) of not less than 2.0.

702.6.2

Ice makers. Ice makers producing cubed-type ice shall be ENERGY STAR qualified as commercial ice machines. Ice makers of a type not currently ENERGY STAR qualified, such as flake, nugget or continuous-type ice makers, shall not exceed the total water use of 25 gallons per 100 pounds (208 L per 100 kg) of ice produced.

Exception: Under counter ice makers.

702.6.3

Steam cookers. Steam cookers with drain connections shall consume no more than 5 gal (18.9 L)/hour/pan, and those without drain connections shall consume no more than 2 gal (7.6 L)/hour/pan.

702.6.4

Dishwashers. Dishwashers shall be ENERGY STAR qualified where an ENERGY STAR category exists for the specific dishwasher type. Where an ENERGY STAR category does not exist, the dishwasher shall be in accordance with Table 702.6.4.

TABLE 702.6.4 MAXIMUM WATER CONSUMPTION FOR COMMERCIAL DISHWASHERS

DISHWASHER TYPE

MAXIMUM WATER CONSUMPTION

Rackless conveyor

2.2 gallons per minute

Utensil washer

2.2 gallons per rack

For SI: 1 gallon per minute = 3.785 Lpm.

Strike Section 702.7 of the International Green Construction Code in its entirety without substitution.

702.7

Hot and tempe re d water distribution. [Deleted]

Strike Section 702.9 of the International Green Construction Code in its entirety without substitution.

702.9

Water-powered pumps. [Deleted]

Strike Section 702.11 of the International Green Construction Code in its entirety without substitution.

702.11

Dipper wells. [Deleted]

Strike Section 702.13 of the International Green Construction Code in its entirety and insert new Section 702.13 in the Green Construction Code in its place to read as follows:

702.13

Automated vehicle wash facilities. Not less than 50 percent of the water used for the rinsing phase of the wash cycle at automated vehicle wash facilities shall be collected to be reused for the washing phase. Towel and chamois washing machines shall have high- level water cut-offs.

702.13.1

Nonpotable water use. Except for water recirculated within the facility, potable and nonpotable water use for automobile washing shall not exceed 40 gallons (151 L) per vehicle for in-bay automatic washing, and 35 gallons (132.5 L) per vehicle for conveyor and express type car washing.

Exception: Bus and large commercial vehicle washing facilities.

Strike Section 702.17 of the International Green Construction Code in its entirety without substitution.

702.17

Combination ovens [Deleted]

Strike Section 702.18 of the International Green Construction Code in its entirety without substitution.

702.18

Autoclaves and sterilizers . [Deleted]

Strike Section 702.19 of the International Green Construction Code in its entirety without substitution.

702.19

Liquid ring vacuum pumps . [Deleted]

Strike Section 702.20 of the International Green Construction Code in its entirety without substitution.

702.20

Film processors [Deleted]

D.C. Mun. Regs. tit. 12, r. 12-K702

Final Rulemaking published at 67 DCR 5679 (5/29/2020)