Schedule 2

SS 574: Part 1 (2012), Volume of Discharge per flush; and

SS 574: Part 1 (2012), Annex J — WC Drainline Transportation test(3)Urinal flush valve(a)Urinal flush valve with flush volume of 0.5 litres or more —The test method for determining the flush volume set out in paragraph 3 (b)Urinal flush valve with flush volume of less than 0.5 litres —

The test method for determining the flush volume set out in paragraph 3; and (ii)Dye Test specified in —

Clause 8.5 of the ASME A112.19.2 - 2008/CSA B45.1-08; or (B)ASME A112.19.2 - 2013/CSA B45.1-13(3A)Water-closet flush valve(a)Water-closet flush valve with flush volume of 3.5 litres or more—The test method for determining the flush volume set out in paragraph 3A (b)Water-closet flush valve with flush volume of less than 3.5 litres—

The test method for determining the flush volume set out in paragraph 3A; and (ii)SS 574: Part 1 (2012), Annex J — WC Drainline Transportation test(4)Clothes washing machine intended for household use —

Clause 8.6 of IEC 60456 Edition 5.0 (2010-02); or (b)Clause 11 of BS EN 60456 (2005) relating to measurement of water consumption The water consumption is determined in accordance with paragraph 4(4A)Washer extractor other than for household use(a)Front-loading washer extractor—Clauses 9.1 and 9.2 of BS EN 17116-4:2019 relating to measurement of water consumption (b)Top-loading washer extractor—The water consumption is determined in accordance with paragraph 4AA(5)Dishwasher intended for household use —

Clause 8.2.4 of BS EN 50242: 2016 / BS EN 60436: 2016; or (b)Clause 8.2.4 of IEC 60436: 2015 The water consumption is determined in accordance with paragraph 4A(6)Dishwasher other than for household use(a)Hood dishwasher—Clause 7 of IEC 63136:2019 relating to measurement of water consumption (b)Undercounter dishwasher—The water consumption is determined in accordance with paragraph 4B(7)High pressure washer that is a water device —The test method for determining the flow rate set out in paragraph 4C[S 904/2023 wef 01/01/2024][S 920/2021 wef 01/01/2022][S 192/2019 wef 01/04/2020][S 192/2019 wef 01/04/2019][S 535/2018 wef 01/10/2018][S 904/2023 wef 01/01/2024]2. The flow rate for a tap and mixer is the mean of the average flow rates measured in litres per minute and at the dynamic flow pressures of 1.5 bars, 2.5 bars, 3.5 bars, 4.5 bars and 5 bars.

the flush pipe is to be 300 mm long with an internal diameter of at least 13 mm and is to be secured to the outlet of the valve; (b)the pressure gauge and control valve are to be fitted at the inlet of the flush valve;

the flush valve is to be connected to a water supply system and the dynamic pressure of the water supply adjusted to 0.7 bars;

the flow regulator is to be set at maximum;

the operating member must continue to be held actuated until the flow of water ceases;

the flush volume is the volume of water that is discharged from the flush pipe from the actuation of the operating member to cessation of flow of water.3A. The flush volume for a water-closet flush valve is the mean of the flush volumes measured (in litres per flush) with the following test method at the dynamic pressures of 1.5 bars, 2 bars and 3 bars:

the flush pipe must —

be 300 mm long;

have an internal diameter of at least 25 mm; and

be secured to the outlet of the flush valve;

the pressure gauge and control valve must be fitted at the inlet of the flush valve;

the flush valve must be connected to a water supply system and the dynamic pressure of the water supply must be adjusted to one bar;

the flow regulator must be set at maximum;

the operating member must continue to be held actuated until the flow of water ceases;

the flush volume is the volume of water that is discharged from the flush pipe from the actuation of the operating member to the cessation of the flow of water.[S 920/2021 wef 01/01/2022]4. The water consumption for a clothes washing machine intended for household use is to be measured using the wash programme or other associated settings recommended in the manufacturer’s product literature for a normally soiled load at rated load capacity, and the following are not required as a test condition:

the use of a reference clothes washing machine for normalisation of base load items;

the parallel operation of a reference clothes washing machine with the tested clothes washing machine;

the use of a specific inlet water temperature, water hardness, water pressure, ambient temperature or humidity;

the use of stain test strips; (e)the use of detergent. [S 920/2021 wef 01/01/2022]4AA. The water consumption for a washer extractor (other than for household use) is to be measured using the wash programme or other associated settings recommended in the manufacturer’s product literature for a nominal load at rated load capacity, and the following are not required as a test condition:

the use of a reference washer extractor;

the use of a specific ambient temperature or humidity;

the use of a specific inlet water hardness, water pressure or water temperature;

the use of a specific type of energy supply;

the use of an electricity supply at a specific voltage;

the use of a specific compressed air supply;

the use of a specific steam supply;

the use of stain and soil monitors, wash process control sheets or rinse performance fabrics;

the use of detergent;

the determination of wash performance.[S 920/2021 wef 01/01/2022]4A. The water consumption for a dishwasher intended for household use is to be measured using the wash programme or other associated settings recommended in the manufacturer’s product literature for normally soiled tableware at rated dishwasher capacity, and the following are not required as a test condition: (a)the use of a reference dishwasher for normalisation of base load items; (b)the parallel operation of a reference dishwasher with the tested dishwasher; (c)the use of a specific inlet water temperature, water hardness, water pressure, ambient temperature or humidity; (d)the use of soiling agents;

the use of detergent, rinse agent or salt;

the use of an electric supply at a specific voltage; (g)the use of regeneration operations;

the preparation and application of soiling agents.[S 535/2018 wef 01/10/2018][S 920/2021 wef 01/01/2022]4B. The water consumption for a hood dishwasher or an undercounter dishwasher (other than for household use) is to be measured using the wash programme specified in Clause 5.4 of IEC 63136:2019, and the following are not required as a test condition: (a)a cleaning and resoiling performance test;

the conditioning of the dishwasher under test and sequence of test procedures;

the use of an electricity supply at a specific voltage;

the use of specific ambient conditions;

the use of a specific inlet water hardness, water pressure or water temperature;

the use of detergent;

the use of rinse aid;

the measurement of the temperature of any rack in the dishwasher.[S 920/2021 wef 01/01/2022]4C. The flow rate for a high pressure washer is measured with the following test method:

the high pressure washer must be connected to —

a water supply system via a bib tap; and

a stable electricity supply (230±10 V and 50 Hz) with an ammeter; (b)the water supply must have a delivery flow of at least 20 litres per minute at a dynamic pressure of 3 bars;

the bib tap must be securely connected to the high pressure washer with an inlet hose having an internal diameter of at least 15 mm; (d)the bib tap must be fully opened; (e)the flow meter and pressure gauge must be connected to the outlet hose of the high pressure washer; (f)the pressure setting of the high pressure washer must be set at maximum; (g)the flow rate, water pressure and electric current must be measured and recorded.[S 920/2021 wef 01/01/2022]5. In this Part, unless the context otherwise requires —“ASME” means American Society of Mechanical Engineers;“BS EN” means the British Standards European Norm;“IEC” means the International Electrotechnical Commission;“SS” means a standard or specification published by the Enterprise Singapore Board.[S 341/2020 wef 30/04/2020]Part 2WATER EFFICIENCY LABEL REQUIREMENTS1. Every Water Efficiency Label must —

be of the same dimensions as the samples at paragraph 3, or proportionately larger;

be of the same shape and colour as the samples at paragraph 3;

contain text set out in the samples at paragraph 3 that is —

of the typeface Arial;

legible;

in the English language only; and

consistent with or drawn from the relevant test report;

show the number of ticks for a water device, determined in accordance with paragraph 2;[S 904/2023 wef 01/01/2024](e)be printed in an indelible manner and with a minimum resolution of 300 pixels per inch; and

be made of such material as the Board may approve.

basin tap and mixer —Number of ticksFlow rate (litres per minute)22 < flow rate ≤ 43flow rate ≤ 2[S 192/2019 wef 01/04/2019](b)sink tap and mixer or bib tap and mixer —Number of ticksFlow rate (litres per minute)24 < flow rate ≤ 63flow rate ≤ 4[S 192/2019 wef 01/04/2019](c)shower tap and mixer —Number of ticksFlow rate (litres per minute)25 < flow rate ≤ 73flow rate ≤ 5[S 192/2019 wef 01/04/2019](d)flushing cisterns —Number of ticksFlush volume (litres per flush)2(a)3.5 < flush volume for full flush ≤ 4; and

2.5 < flush volume for reduced flush ≤ 33(a)flush volume for full flush ≤ 3.5; and

flush volume for reduced flush ≤ 2.5[S 192/2019 wef 01/04/2019](e)urinal flush valves and waterless urinals —Number of ticksFlush volume (litres per flush)20.5 < flush volume ≤ 13flush volume ≤ 0.5[S 192/2019 wef 01/04/2019](ea)water-closet flush valves —Number of ticksFlush volume (litres per flush)23.5 < flush volume ≤ 43flush volume ≤ 3.5[S 920/2021 wef 01/01/2022](f)clothes washing machines —Number of ticksWater consumption (litres per kg)29 < water consumption ≤ 1236 < water consumption ≤ 94water consumption ≤ 6(g)dishwashers —Number of ticksWater consumption (litres per place setting)11.2 < water consumption ≤ 1.520.9 < water consumption ≤ 1.230.6 < water consumption ≤ 0.94water consumption ≤ 0.6[S 535/2018 wef 01/10/2018][S 904/2023 wef 01/01/2024]3. The samples of the Water Efficiency Label are as follows:Label 1WATER EFFICIENCY LABEL FOR TAPS AND MIXERS, FLUSHING CISTERNS, URINAL FLUSH VALVES, WATER-CLOSET FLUSH VALVES AND WATERLESS URINALS Label 2WATER EFFICIENCY LABEL FOR CLOTHES WASHING MACHINES AND DISHWASHERS [S 920/2021 wef 01/01/2022][S 535/2018 wef 01/10/2018]4. In this Part —“flow rate” means the volume of water that flows out of a tap and mixer per minute, as specified in the test report;“flush volume” means the volume of water that is discharged from a flushing cistern, urinal flush valve, water-closet flush valve or waterless urinal, as specified in the test report;[S 920/2021 wef 01/01/2022]“place setting” means —

where the test standard used is BS EN 50242: 2016 / BS EN 60436: 2016, the set of tableware items specified in Annex A of BS EN 50242: 2016 / BS EN 60436: 2016; and

where the test standard used is IEC 60436: 2015, the set of tableware items specified in Annex A of IEC 60436: 2015;[S 535/2018 wef 01/10/2018]“water consumption” means —

in relation to a clothes washing machine, the volume of water used by the clothes washing machine, as specified in the test report; and

in relation to a dishwasher, the volume of water used by the dishwasher, as specified in the test report.[S 535/2018 wef 01/10/2018]Part 3WATER EFFICIENCY REQUIREMENTS1. Every tap and mixer, regardless of the type, must meet all of the following requirements:

the difference between the highest and lowest flow rates (measured at the dynamic flow pressures specified in paragraph 2 of Part 1 of this Schedule) of the tap and mixer must not exceed 2 litres per minute;

the highest flow rate of the tap and mixer must not exceed the upper limit of the range of flow rates within which the flow rate of the tap and mixer falls (under paragraph 2 of Part 2 of this Schedule) by more than 0.5 litres per minute;

the lowest flow rate of the tap and mixer —

for a sink tap and mixer with a flow rate falling within the range of flow rates specified for 3 ticks — must not be lower than 2.5 litres per minute;

for a sink tap and mixer with a flow rate falling within the range of flow rates specified for 2 ticks — must not be lower than 3.5 litres per minute;

for a basin tap and mixer, with a flow rate falling within the range of flow rates specified for 2 ticks and 3 ticks — must not be lower than 1.5 litres per minute;

for a bib tap and mixer with a flow rate falling within the range of flow rates specified for 2 ticks and 3 ticks — must not be lower than 3.5 litres per minute; and

for a shower tap and mixer with a flow rate falling within the range of flow rates specified for 2 ticks and 3 ticks — must not be lower than 4.5 litres per minute;[S 192/2019 wef 01/04/2019](d)the tap and mixer must have a flow rate as follows:

for basin tap and mixer, not more than 4 litres per minute;[S 192/2019 wef 01/04/2019](ii)for a sink tap and mixer or bib tap and mixer, not more than 6 litres per minute;[S 192/2019 wef 01/04/2019](iii)for a shower tap and mixer, not more than 7 litres per minute.[S 192/2019 wef 01/04/2019]2. Every flushing cistern, urinal flush valve or water-closet flush valve must be of such a design as to use not more than the amount of water specified in paragraph 18(1), (2) or (3) of the First Schedule, as the case may be.[S 192/2019 wef 01/04/2019][S 920/2021 wef 01/01/2022]3. Every clothes washing machine intended for household use must be of such a design as to use not more than 12 litres of water per kilogram of wash load for the washing programme recommended by the manufacturer for a normally soiled load at the rated capacity of the washing machine.3A. Every washer extractor that is a water device must be of such a design as to use not more than 8 litres of water per kilogram of wash load.[S 920/2021 wef 01/01/2022][S 904/2023 wef 01/01/2024]4. Every dishwasher intended for household use must be of such a design as to use not more than 1.5 litres of water per place setting for normally soiled tableware at rated dishwasher capacity.[S 535/2018 wef 01/10/2018]4A. Every dishwasher that is a water device (other than for household use) must be of such a design as to use not more than 2.4 litres of water per rack of washware.[S 920/2021 wef 01/01/2022][S 904/2023 wef 01/01/2024]4B. Every high pressure washer that is a water device must be of such a design as to use not more than 11 litres of water per minute.[S 920/2021 wef 01/01/2022][S 904/2023 wef 01/01/2024]5. In this Part —“flow rate” means the volume of water (measured in litres per minute) that flows out of a tap and mixer or a high pressure washer (as the case may be), as specified in the test report;[S 920/2021 wef 01/01/2022]“place setting” means —

where the test standard used is BS EN 50242: 2016 / BS EN 60436: 2016, the set of tableware items specified in Annex A of BS EN 50242: 2016 / BS EN 60436: 2016; and

where the test standard used is IEC 60436: 2015, the set of tableware items specified in Annex A of IEC 60436: 2015.[S 535/2018 wef 01/10/2018]