Primary Air Ventilation System
The bunker will have two separate pipes – one for fresh air intake and one for exhaust. These vents will be positioned at opposite ends of the bunker to ensure proper airflow, with the intake vent bringing fresh air into the bunker, and the exhaust vent expelling CO2-laden air.
Air Filtration System (HEPA Filter for Nuclear Protection)
A HEPA filter (High-Efficiency Particulate Air filter) will be installed as part of the air filtration system. This filter captures particles as small as 0.3 microns, including dust, bacteria, and radioactive particles, which may be especially important in case of a nuclear event.
CO2 scrubber
A CO2 scrubber will be included to absorb the carbon dioxide exhaled by the occupants and replace it with oxygen. This system is essential for long-term stays in a sealed environment where CO2 can quickly become toxic.
Backup Oxygen Tanks
While the ventilation system and CO2 scrubber will manage air quality, backup oxygen tanks are necessary to ensure that you have a reserve in case of system failure.
CO2 Monitor
A CO2 monitor will be installed to provide real-time feedback on the CO2 levels inside the bunker. This is essential for ensuring that CO2 does not exceed dangerous levels, typically around 5,000 ppm.
Oxygen Sensor
An oxygen sensor will monitor the oxygen levels inside the bunker, ensuring they stay above safe thresholds (typically 19.5% or higher).
Battery-Powered or Hand-Crank Fans
For emergency airflow, battery-powered or hand-crank fans will be available. These fans are a backup option in case the primary ventilation system fails.
Manual Air Pump or Bellows
A manual air pump or bellows system will be available to help force air into the bunker if the ventilation system fails completely.