Owner's Manual

49
SERVICE HOT WATER DEMAND, FIXTURE UNITS
TO USE THIS TABLE: (1) FOR THE TYPE OF FIXTURE AND TYPE OF BUILDING, READ DIRECTLY
THE FIXTURE UNITS. (2) MULTIPLY THE FIXTURE UNITS BY THE TOTAL NUMBER OF FIXTURES
OF ONE TYPE. (3) ADD TOGETHER THE FIXTURE UNITS FOR EACH TYPE TO OBTAIN THE TOTAL
FIXTURE UNITS FOR THE BUILDING. (4) PROCEED TO FIGURE 3-16.
SERVICE HOT WATER FLOW RATE
TO USE THIS FIGURE: (1) ENTER THE HORIZONTAL SCALE AT THE TOTAL FIXTURE UNITS
OBTAINED FROM FIGURE 3-15. (2) MOVE UP VERTICALLY TO THE CURVE MARKED FOR THE TYPE
OF BUILDING. (3) READ THE REQUIRED SERVICE WATER FLOW RATE ON THE VERTICAL SCALE.
FIGURE 3-15
FIGURE 3-16
Apartment
House
Club Gymnasium Hospital
Hotels and
Dormitories
Industrial
Plant
Ofce
Bldg.
School YMCA
Basins, Private Lavatory ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾
Basins, Public Lavatory --- 1 1 1 1 1 1 1 1
Bathtubs 1½ 1½ --- 1½ 1½ --- --- --- ---
Dishwashers 1½ Five (5) Fixture Units per 250 seating capacity
Therapeutic Bath --- --- --- 5 --- --- --- --- ---
Kitchen Sink ¾ 1½ --- 3 1½ 3 --- ¾ 3
Pantry Sink --- 2½ --- 2½ 2½ --- --- 2½ 2½
Slop Sink 1½ 2½ 2½ 2½ 2½ 2½ 2½ 2½
Showers* 1½ 1½ 1½ 1½ 1½ 3 --- 1½ 1½
Circular Wash Fountain --- 2½ 2½ 2½ --- 4 --- 2½ 2½
Semi-circular Wash
Fountain
--- 1½ 1½ 1½ --- 3 --- 1½ 1½
* In applications where principal use is showers, as in gymnasiums or at end of shift in industrial plants, use conversion factor of
1.00toobtaindesignwaterowrateingpm.