Operating instructions
11
1. Basins, Private Laundry 2 2 2 2 2 2 2
2. Basins, Public Lavatory 4 6 8 8 12 6 15
3. Bathtubs 20 20 30 20
4. Foot Basins 3 3 12 3 12 3
5. Kitchen Sink 10 20 30 20 20 20
6. Laundry Tubs 20 28 28
7. Pantry Sink 5 10 10 10 10
8. Showers 30 150 225 75 225 30 225
9. Service Sink 20 20 30 20 20 20
10. Circular Wash Sinks 20 30 20 30
11. Semicircular Wash Sinks 10 15 10 15
12. Demand Factor 0.30 0.30 0.40 0.25 0.40 0.30 0.40
SchoolGym Hotel Fixture:
Apartment
House Club
Industrial
Plant
Office
Building
Table 3: Hot Water Demand for Fixtures in Various Types of Buildings
(1) (2) (3)
Fixture Description:
Basins, Private Lavatory X =
Basins, Public Lavatory X =
Bathtubs X =
Showers X =
Circular Wash Sinks X =
Semi Circular Wash Sinks X =
Foot Basins X =
Laundry, Stationary Tubs X =
Kitchen Sink X =
Dishwasher in Apartment 15 X =
Clothes Washer in Apartment 48 X =
Commercial Kitchen Fixtures:
Vegetable Sink 45 X =
Single Pot Sink 30 X =
Double Pot Sink 60 X =
Triple Pot Sink 90 X =
Bar Sink 30 X =
=
X
=
+
+
=Adjusted Probable Maximum Demand
WORKSHEET 2: COMMERCIAL SIZING
Probable Maximum Demand
Demand Factor
Hourly Dishwasher Requirement
Hourly Laundry Requirement
135F WATER PER
FIXTURE
(Gal/hr)
TOTAL NUMBER
OF FIXTURES
135F WATER PER
TYPE OF
FIXTURE (Gal/hr)
Total Column (3) Possible Maximum Demand