1 Cari DeWolf, Consultant

2 Courtesy of PG&E

Ice makers Pre-rinse spray valves Faucets Dishwashers Steamers 3

4 Courtesy of PG&E

5 Photos courtesy of PG&E

6 Photos courtesy of Ice Makers

7 Information from Pacific Gas & Electric Company (PG&E) Food Service Technology Center (FSTC) (Zabrowski, 2007)

8 Self-contained Photos courtesy of

9 Separate Units Photo courtesy of

10 Remote Photos courtesy of

11 “A report on Potential Best Management Practices” for CUWCC, June 2008, Koeller and Company

12 Photo courtesy of PG&E

13 Photo courtesy of Charles Bohlig, East Bay Municipal Utility District, 2007 Freeze plate Trough Pump Control panel

14 Photo courtesy of

15 Photos courtesy of

16 Photos courtesy of

17 Photos courtesy of

18

19

20 Pre-rinse Spray Valves Photo courtesy of Fisher Photo courtesy of TS Brass Photo courtesy of Fisher Photo courtesy of Zurn

21 Photos courtesy of California Urban Water Conservation Council (CUWCC) and Puget Sound Energy (PSE) Programs

22 Inefficient spray nozzles SBW Consulting, Inc. Evaluation, Measurement, & Verification Report for the CUWCC Pre-Rinse Spray Head Distribution Program. May 3, 2004

23 Efficient spray nozzles SBW Consulting, Inc. Evaluation, Measurement, & Verification Report for the CUWCC Pre-Rinse Spray Head Distribution Program. May 3, year estimated life

24 Maximum flow rate  2.2 gpm at 60 psi  20% reduction = 1.8 gpm Photos courtesy of PG&E

25

26 CUWCC PBMP Commercial Dishwasher Report - June, 2010

 Chemical ◦ More water than high-temp models  Heat ◦ Less water than chemical models ◦ Booster heater reaches 180 o F 27

Water usage  Number of racks washed  Rack measurements: ◦ 20” x 20” ◦ 14 plates or 25 glasses ◦ 100 pieces of flatware  Run through twice  Run cycle = 1 to 3 minutes 28

29 Courtesy of PG&E

30 Photo by Classeq

31 Photo by Cupexc

32 Photo by Meiko

33 Photo by Crown Boiler vs. Boilerless Connection vs. Connectionless Photos courtesy of PG&E

California requires food heated to =/>140 o F  Steamers: ◦ Connection or Connectionless ◦ Boiler or Boilerless ◦ Boilerless vs. Connectionless  WE is similar = 3 gph of operation 34

35 Average 14 gpd or 13k gpy Average 17 kWh per day Photography by Cari DeWolf

* Cookers/Kettles * Woks * Combination ovens * Garbage disposers * Grinders * Sluice troughs * Strainers/Scrapper baskets (Appendices) 36