| 2.0203.4a
Required combustion air | The required volume of indoor air will be determined in accordance with Section G2407.5.1 or G2407.5.2 and authority having jurisdiction, except where the air
infiltration
Infiltration
The uncontrolled passage of outside air into a building through unintended leaks in the building envelope
rate is known to be less than 0.40 air changes per hour (ACH), at which time Section G2407.5.2 will be used | Determine if existing conditions meet the combustion air calculation |
| 2.0203.4b
Additional combustion air (if action is required) | Additional combustion air will be provided in accordance with 2012
IRC
IRC
International Residential Code
G2407 and authority having jurisdiction | Ensure adequate combustion air for operation of the appliance |
| 2.0203.4c
Spillage testing | If a combustion appliance spillage exceeds 2 minutes during pressure testing, specify measures to mitigate | Ensure appliance is not spilling longer than 2 minutes |
| 2.0203.4d
Occupant health and safety | All homes will have a functioning
CO
CO
Carbon monoxide
alarm If
CO
CO
Carbon monoxide
levels in interior living spaces exceed outdoor levels, investigate potential sources and take appropriate action to reduce them (e.g., have a qualified professional tune, repair, or replace improperly operating combustion appliances; apply weatherstripping; or conduct air sealing between the garage or crawl space and the home) | Ensure occupant health and safety Ensure indoor
CO
CO
Carbon monoxide
levels do not exceed outdoor
CO
CO
Carbon monoxide
levels |
| 2.0203.4e
Occupant education | Occupants will be educated on the operation and maintenance of the
CO
CO
Carbon monoxide
alarm Completed work on combustion appliances and recommended maintenance will be reviewed with occupant Occupant will be provided information regarding the health effects and risks of high
CO
CO
Carbon monoxide
concentrations | Ensure occupant can operate and maintain installations Inform occupant regarding possible
CO
CO
Carbon monoxide
hazards |
