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// CODE SNIPPET

Table M Load Values Assigned to Fixtures

Illinois Plumbing Code > A Plumbing Materials, Equipment, Use Restrictions and Applicable Standards > M Load Values Assigned to Fixtures
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Fixture
Occupancy
Type of
Supply Control
Load Values in Water (Supply Fixture Units)
Cold
Hot
Total
Water Closet
Public/Private
Flush Valve
10
—
10
Water Closet
Public/Private
Flush Tank
3
—
3
Urinal
Public
1" Flush Valve
10
—
10
Urinal
Public
3/4" Flush Valve
5
—
5
Urinal
Public
Flush Tank
3
—
3
Lavatory
Public
Faucet
1
1
2
Bathtub
Public
Faucet
3
3
4
Shower Head
Public
Mixing Valve
2
2
3
Service Sink
Offices, etc.
Faucet
2
2
3
Kitchen Sink
Hotel/Restaur.
Faucet
3
3
4
Drinking Fountain
Office, etc.
3/8" Valve
0.25
—
0.25
 
 
 
 
 
 
Lavatory
Private
Faucet
0.75
0.75
1
Bathtub
Private
Faucet
1.5
1.5
2
Shower Stall
Private
Mixing Valve
1
1
2
Kitchen Sink
Private
Faucet
1.5
1.5
2
Laundry Trays (1 to 3)
Private
Faucet
2
2
3
 
 
 
 
 
 
Dishwashing Machine
Private
Automatic
 
-1
1
Laundry Machine (8 lb)
Private
Automatic
1.5
1.5
2
 
 
 
 
 
 
Laundry Machine (16 lb)
Public/ General
Automatic
3
3
4

Agency Notes:           For fixtures not listed, loads shall be assumed by comparing the fixtures to one listed using water in similar quantities and at similar rates. The assigned loads for fixtures with both cold and hot water supplies are given for separate cold and hot water loads and for total load.

Where a unit of local government or the community public water supply does not require separate water service lines for irrigation or similar systems that are likely to impose continuous demands (e.g., lawn sprinkler or air conditioning systems), the following rule applies: estimate the continuous demand (in gallons per minute) for outlets/systems separately from the intermittent demand from the fixtures listed in this table, and add this amount to the demand of the fixtures (in gallons per minute).

Fire sprinkler systems are exempt from this table.

(Source: Amended at 38 Ill. Reg. 9940, effective April 24, 2014)

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