Where is an AOV required?
Automatic ventilation is required to the stairs, comprising a 1m2 AOV at the head of the stairs.
What does AOV stand for in construction?
Overview. Automatic Opening Vent (AOV) Rooflights are electrically operated natural smoke and heat exhaust ventilators (NSHEV) that allow natural light into a building. They can also be used for comfort ventilation as well as roof access.
What is an AOV service?
The main purpose of an AOV system (Automatic Opening Vent) is to aid evacuation by helping to clear lobbies, stairwells and corridors in the event of a fire through ‘smart’ smoke control, allowing a safe route to the nearest means of escape for building occupants.
How often should an AOV be serviced?
twice a year
4. How often does the AOV system need to be maintained? It is recommended that smoke control equipment is serviced twice a year by a specialist smoke control contractor and maintenance certificates should be produced and kept in a maintenance log.
How often should an AOV be tested?
AOV systems need to be tested both weekly and monthly. Weekly tests of your smoke control system should be carried out to check the operation of the system.
Can a door be an AOV?
BAC can provide Fire doors and AOV services to suit any type of property or application. From the supply and installation of internal and external fire doors, to the provision of standalone or Fire Alarm linked smoke ventilation systems.
What is an AOV in VFX?
Arbitrary output variables (AOVs) allow data from a shader or renderer to be output during render calculations to provide additional options during compositing. This is usually data that is being calculated as part of the beauty pass, so comes with little extra processing cost.
Do I need AOV?
To comply with the latest building regulations every communal stairwell must have an Automatic Opening Vent to extract smoke. The greatest immediate danger to the occupants of a large building in the event of a fire comes from the smoke rather than the heat of the fire.
How often should smoke vents be tested?
To prevent the vents from failing over time, the smoke vent systems need on-going maintenance. The maintenance involves testing all parts of the smoke vent system including the fire alarm. We recommend an annual or biannual maintenance of your smoke vents to ensure you are meeting regulation standards.
How does an AOV work?
When a detector or call point is triggered an AOV control system will open actuators, windows or vents to create ventilation. This clears smoke for people leaving the building and vents smoke out of the area that has been triggered.
What are the regulations for AOV windows?
The regulations for what a building must be fitted with to prevent the spread of fire are covered in Approved Document B. Specifically, Approved Doc B Volume 2 covers buildings other than dwelling houses, the areas where AOV windows are commonly used.
Are smoke vents and AOVS building regulations compliant?
It is also worth noting that Smoke Vents and AOV’s have their own set of Building Regulations, so this must be adhered to, to avoid any issues. Only BS EN12101 certified and CE marked smoke vents (AOVs) comply with the UK building regulations. When choosing an AOV, make sure to check for the CE marking.
What is an AOV ventilation system?
Which is why another term often used is AOV. AOV is simply an abbreviation for “Automatic Opening Vent”. An AOV system is a control system designed to vent air or smoke for use in natural & smoke ventilation. Smoke Vents usually are supplied in 2 systems for AOV control; AOV single zone or AOV multi zone.
What does the CE mark on my AOV mean?
Even with a heavy load of snow on top of the vent, it still needs to be able to open far enough to allow a large enough airflow to be able to extract the smoke. The CE Mark certification indicates that the AOV has passed all the tests required. This document describes the rules and regulations regarding Fire Safety.