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Faucet and Toilet OCADU Sustainability Report Jenn Lantz

Faucet and Toilet

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Faucet and Toilet. OCADU Sustainability Report Jenn Lantz. OCAD Stats. There are a total of 88 toilets, 30 urinals The brand and style of the faucets vary and 86 bathroom sinks at OCADU between metered valve, and spigot or gooseneck types. - PowerPoint PPT Presentation

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Page 1: Faucet and Toilet

Faucet and ToiletOCADU Sustainability Report

Jenn Lantz

Page 2: Faucet and Toilet

OCAD Stats

There are a total of 88 toilets, 30 urinals

The brand and style of the faucets vary

and 86 bathroom sinks at OCADU

between metered valve, and spigot or

gooseneck types.

The toilets are the typical type used in large commercial buildings, called flush-o-meter, 1.6 gpf.

Urinals also vary between 19 flushing and 11 waterless.

Page 3: Faucet and Toilet

Typical maintenance problems• Replacement of

diaphragms in the toilets and urinals

• Frequent replacement of the washers on the hot and cold water valves

Page 4: Faucet and Toilet

Washroom water facts

A running faucet wastes 2.5 gallons of water each minute

A leaky faucet dripping one drop per second wastes 6.6 gallons of water per day

Toilets and urinals account for nearly one third of building water consumption

Page 5: Faucet and Toilet

Water Usage

The average person runs a faucet between 5 and 30 seconds, using .44 to 1 gallon of water each time

Older toilets use between 4-7 gpf, with today’s average being 3.5 gpf, and new efficient standards being 1.6 gpf

Flushing urinals used to average between 3.5-5 gpf, today use an average of 1 gpf, with new low flow models using 1 pint

Page 6: Faucet and Toilet

Water Use Activity Chart

Conventional Low-Flow Ultra Low-Flow

5.0 3.5 1.6

Conventional Low-Flow

3.0 2.5

Toilet -Gallons per Use

Faucet-Gallons per Use

Toilet 18 flushes @ 5 gal/flush

=90 gal

Sink 6 minutes @ 3 gal/min

=18 gal

Page 7: Faucet and Toilet

Faucet Solutions

Energy efficient faucets use a new a new aerator design to optimize water flow, making a 1.5 gpm faucet feel the same as a 2.2gmp-this saves an average of 30% on water usage-expensive

Self sustaining hands-free faucets are powered by water flow, creating an electrical current that is stored in the rechargeable cells that power the faucet-batteries last 5-10yrs-they feature a low flow 10 second cycle that uses .09 gp cycle, which is 64% below the average-expensive, difficult to install

Separate aerators help alleviate water consumption by mixing water with air so that pressure remains while flow is reduced- they come in a variety of sizes and formats that can be fit to any faucet, and cost around $1.00 on average when bought in bulk

Page 8: Faucet and Toilet

Toilet Solutions

Flush-o-meter toilets and urinals can be retrofit with low consumption valve replacement kits that would make them 1.6/1 gpf respectively

Flush-o-meter toilet valve fixtures can be retrofit with a replacement handle, which reduces the flushing volume by 50-70%

Install piston valves that will help prevent leaking water

Page 9: Faucet and Toilet

Which is replacement priority?

 300 male workers

10 male toilets, 15 urinals

Male flush-260 x 300 men x .5 flushes per day -39 000 flushes per year, which means 3900 per male per toilet flush per year

Male urinals at 2.5 urinal flushes per day, 195 000 flushes per year, which means 13 000 flushes per

year per urinal

200 female workers

25 female toilets

Females flush-3 x flushes per day, 156 000 flushes per year, which means 6,240 flushes per year, per female toilet

Page 10: Faucet and Toilet

Toilet solutions, costs and breakdown

Sloan Regal 186 XL Exposed Urinal Flushometer valve replacement kit$115.89 converts to 1.5 gpf

Uppercut Manual Dual-Flush FlushometerReduces flush between 1.6 and 1.1 gpfRange between $206.50-224.60

Page 11: Faucet and Toilet

Faucet options breakdown

Standard faucet aerators are rated at 2.2 gallons per minute. Flow rate reduction will be-1.5 gpm = up to 32%1.0 gpm = up to 54%0.5 gpm = up to 77%0.53 gpm = up to 84%

0.5 gpm Dual thread Faucet Aerator non PCA-produces a spray flow-China- #n3205-11-5 6 – 59 more than 60$2.10 $1.94 $1.80 

Delta Lavatory Low-Flow faucet Model #701HD one handle metering flow rate Of 0.5 gpm from US, ships for free- $119.04 per

Page 12: Faucet and Toilet

Conclusion

To properly consider water conservation in OCAD washrooms, a thorough usage study should be conducted first

As even the best valve retrofit for the toilets will only save a few gallons per flush, priority might best be placed on replacing the remaining 19 flushing urinals first

The obvious and best solution is to install low cost, highly efficient aerators on the washroom faucets

Page 13: Faucet and Toilet

BilbliographyDoh.wa.gov-indoor water auditNeoperl.com-flow regulation systems/aeratorsNiagaraconservation.com-many energy saving productsThesexygreenhome.com-American stats and rundownsTapmaster.ca-foot controlled faucet componentsEc.gc.ca/eau-water-enviro. Canada site-consumer’s guideCwwa.ca-Canadian water and wastewater associationBenefits-of-recycling.com-general site1.eere.energy.gov-good American site for institutional solutionsEpa.gov-best practices for greening-AmericanAfedonline.org-water efficiency manualFacilitiesnet.com-article about washrooms, statsAllianceforwaterefficiency.org-govt. buildings introMwra.state.ma.us-Massachusetts water resources authority Fypower.org-flex your power, commercial product guidesConservewater.utah-consumer reports ratingsDualflushkit.comTlc.howstuffworks.com-retrofitting older toilets to save water

Green, Deborah. Water Conservation for Small and Medium Sized Utilities. American Water Works Association, 2009, USA. P.74.