HomeMy WebLinkAboutLARSEN CALCSCALCULATION WORKSHEET: COMBUSTION AIR, STANDARD METHOD
Step 1
Calculate the room volume
Step 2
Calculate the total input of appliances
in the room.
Enter the input rating of all appliances in
table 1.
Total the column.
Divide the total by 1000 (of Btu/hr).
Step 3
Calculate the required volume. Divide room
volume (Step1) by total/1000 (Step2)
If less than 50, additional air is needed.
If greater than or equal to 50, no additional air
is needed.
Room volume: Room length
Room width
Room height
Room volume = Length X width X height
6000 Sqft
Table 1 Aonliances Table
20
25
12
Appliance
Input rating (Btu/hr)
Pizza oven
Water Heater
Stove
66,000
Dryer
Logs
Tota I
Total/1000
66
Required volume:
6000 Sqft
66
1'I1�7
Additional air needed? (Check one)
Yes
No X
Customers Name
WAYNE LARSEN
NFPA 54 FUEL GAS CODE
CALCULATION WORKSHEET: COMBUSTION AIR, STANDARD METHOD
Step 1
Calculate the room volume
Step 2
Calculate the total input of appliances
in the room.
Enter the input rating of all appliances in
table 1.
Total the column.
Divide the total by 1000 (of Btu/hr).
Step 3
Calculate the required volume. Divide room
volume (Step1) by total/1000 (Step2)
If less than 50, additional air is needed.
If greater than or equal to 50, no additional air
is needed.
Room volume: Room length
Room width
Room height
Room volume = Length X width X height
=1 11088 Sqft
Table 1 Appliances Table
22
42
12
Appliance
Input rating (Btu/hr)
Pizza oven
Water Heater
Stove
Dryer
Logs
75,000
Tota I
Total/1000
75
Required volume:
11088 Sqft
75
147.8
Additional air needed? (Check one)
Yes
No X
Customers Name
WAYNE LARSEN
NFPA 54 FUEL GAS CODE
BRK
5 5/8 in Carbon Monoxide and Smoke Alarm with 85 dB @ 10 ft
Audible Alert; 120V AC, 9V
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This combination smoke/CO alarm features an 85dB horn and can also interface with
other BRK interconnectable alarms.
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Technical Specs
Item
Carbon Monoxide and Smoke Alarm
Battery Backup
Yes
Detection Method
Electrochemical, Ionization
Flush Button
Yes
Interconnection Capability
Up to 18 Units
Test Button
Yes
Power Source
120V AC, 9V
Locking Pin
Yes
Audible Alert
85 dB @ 10 ft
Operating Temp.
40 Degrees to 100 Degrees F
Visual Alert Style
LED
Standards
UL2034, UL217
Diameter
5 5i8 in
Manufacturers Warranty Length
10 yr Limited
Height
2 in
Battery Location
Side
Digital Readout
No