House Stairs Ventilation

Note 4 to clarify on the manner in which headroom is measured on staircases d Paragraph C331.

House stairs ventilation. Toilets bathrooms or lavatories within houses built by the owners for their own use iii. Stair pressurization Due to the relative cost of the associated mechanical systems and architectural space issues related to providing exterior balconies and stair vestibules the stair pressurization system is the most widely selected design option. Store room of area 6m2 or less b Addition of new Paragraph C322 on headroom requirement within a sheltered carpark c Addition of new Paragraph C322.

Using the definition of occupied space in chapter 2 I would condider this space occationally occupied and for short periods of time. Install an attic vent if you do not already have one. Plug weep holes with pieces of nylon plastic scouring pads or window screening.

Guide to Home Ventilation Ventilation refers to the exchange of indoor and outdoor air. Therefore I think the stair shaft would be unoccuped space and not ventilated. This home-cooling method is referred to as stack or convective ventilation.

They may be exhaust-only relying on leakage into the building for fresh air supply-only relying on air leakage from the building to exhaust stale air or balanced systems that include both exhaust and fresh air intake components. Stairwell Pressurization Systems. Then the stairwell vent should be operated by smoke detection on each level.

By pressurizing the house supply ventilation systems minimize outdoor pollutants in the living space and prevent backdrafting of combustion gases from fireplaces and appliances. The simplest solution would be the uniVent AOV page 9 for the lobby with a uniVent stairwell vent page 8 at the head of the stairs. I would refer to IMC Section 4011 This chapter shall govern the ventilation of spaces within a building intended to be occupied.

Single staircase buildings Buildings with a floor more than 11m above ground level where the lobbies are external. Open a basement window in the farthest opposite or north corner of your home to cool the entire house. Caulk or cover other possible fly entry areas such as around vents cracks and holes in the house siding and windows or doors.