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ALAMEDA COUNTY
TANKED WATER HEATER WORKSHEET
Number of Compartments Multiply by:Gallons per Hour
A:Utensil Sink Large (>18" X 18")25
Utensil Sink Small (18" X 18" or smaller)14
Hand Wash Sink (including restrooms)5
Bar Sink 6
Food Preparation Sink 5
Mop Sink 15
Pre-rinse Sprayer (if not combo)45
Garbage Wash Facility 15
Clothes Washer 45 or M.S. Sheet Value
Subtotal:Gallons Per Hour
B:
C:Total:Gallons Per Hour
X GPH
Total GPH:Adjustment:Adjusted GPH:
D:1 Food Facility with multi-use service utensils?1 100% Recovery
D:2 Food Facility with only single use utensils?0.8 80% Recovery
D:3 Pre-packaged food only?0.8 10 Gallon Minimum
E:Power Rating:
E:1 Adjusted GPH X 8.33 X 50 /Thermal Efficiency(0.75 = Default)Total:BTU/hr. required
E:2 Total:kW required
Gas:BTU/hr. proposed
Must be Commercial and Total power rating at least as high as required Electric:kW Proposed
Gallons per Minute
X 0.5 GPM
X 2.0 GPM
Note: High Temperature Dish Machines may require booster.Total GPM At 50 Degree F. Rise
To get minimum Power Rating:
Dish Machine/Clothes Washer (Manufacturer's Specification Sheet)
Adjusted GPH X 0.125
Power rating proposed:
TANKLESS WATER HEATER WORKSHEET @ 50 DEGREE F. RISE IN TEMPERATURE
Number of Hand Wash Sinks (Includes Restooms)
Add A and B
Number of All Other Sinks (Not Compartments)
Dish Machine(Manufacturer's Specification Sheet (M.S. Sheet))
Ronald Browder, Director of Environmental Health
Phone: 510.567.6700 Fax: 510.337.9432
INSTRUCTIONS
Tanked Water Heaters
1.Fill in number of Compartments or Units for each Fixture. (Section A)
2.Multiply by Default Factor listed. Note: Manufacturer’s Specification Sheet Data may be
used instead of Default Factor. Record in Gallons Per Hour Column.
3.Subtotal Gallons Per Hour. (GPH)
4.Add Dish Machine Info. From Manufacturer’s Specification Sheet. (Section B)
5.Total Gallons Per Hour (Section C)
6.Enter Total Gallons Per Hour from (Section C) into either D:1, D:2 or D:3.
7.Multiply D:1, D:2 or D:3 by GPH Adjustment. Record as Adjusted GPH.
8.Gas E:1 - Multiply Adjusted GPH X 8.33 lbs. gallon X 50 F. Rise in Temp./Thermal Efficiency.
Note: Thermal Efficiency Default is 0.75 unless justified by Manufacturer’s Specification
Sheet.
Electric E:2 – Multiply GPH X 0.125.
9.Enter Result as Required Power Rating.
10.Enter Proposed Power Rating at least equal to the Required Power Rating.
11.Include Model Information and provide Manufacturer’s Specification Sheet.
Note: Electrical Water Heaters must display a tag that verifies simultaneous wiring.
Tankless Water Heaters
1.Enter Number of Hand Wash Sinks (Including Restrooms).
2.Enter Number of Other Sinks (NOT COMPARTMENTS).
3.Multiply by Gallons Per Minute(GPM) Factors.
4.Add Gallon Per Minute hot water usage per Manufacturer’s Specification Sheets for Dish
Machine and Clothes Washer.
5. Total equals the minimum Gallons per Minute at a 50 Degree F. Rise in Temperature.