Car Park & Warehouse Barrier Systems
There are various standards and guidelines governing the use of car park and warehouse barriers. Depending upon the design use for the barrier system, one or more standards or guidelines may be required to be observed.
AS/NZS 2890.1 Parking Facilities
This standard sets out the minimum requirements for the design and layout for off-street parking facilities, including multi-storey Car Parks. Barriers shall be built to prevent vehicles from falling over the edge of a raised platform or deck of a multi-storey car park including the perimeter of all decks above ground level. They are required wherever the drop from the edge of the deck to a lower level exceeds 600mm. AS/NZS 2890.1 suggests that barriers shall comply with the following requirements;
- They shall be designed structurally for the loading requirements of AS/NZS 1170.1.
B. If at the end of a parking space, they shall be at least 1.3m high so that drivers backing
into the space can see the barrier above the rear of the vehicle.
C. They shall not be made from brickwork, unreinforced concrete or other materials likely to
shatter on impact.
AS/NZS 1170.1 Structural Design Actions
This standard states that the horizontal imposed action on barriers required to withstand the accidental impact from vehicles during parking for light traffic areas shall be taken as follows;
a) 30kN for barriers; and
b) 240kN for barriers at the end of straight ramps exceeding 20m in length and intended for
A light traffic area is defined as a parking area restricted to vehicles not exceeding 2500kg gross mass. .The impact force shall be distributed over a 1.5m length at any position along the barrier and shall be assumed to act at 0.5m above floor level.
Building Code of Australia
The building code states that a continuous handrail must be provided along any walkway if it's level above the surface beneath is more than 1m. The height of the handrail must not be less than 1m above the floor of any walkway.
Openings in the balustrade must be constructed so that the maximum gap does not allow a 125mm sphere to pass through it. The barrier must not facilitate climbing.
Designers of car park barriers should consider the following;
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