Sustainable Construction - Building & Construction Authority
Sustainable Construction - Building & Construction Authority
Sustainable Construction - Building & Construction Authority
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Protected Shafts<br />
<strong>Sustainable</strong> <strong>Construction</strong> -<br />
A protected shaft is one which enables persons,<br />
objects or air to pass from one compartment to<br />
another without loss of integrity.<br />
Protected shafts can be :<br />
• An exit staircase,<br />
• An exit passageway,<br />
• A lift,<br />
• A chute, or<br />
• A duct.<br />
Can drywalls be used to construct protected shafts?<br />
Protected shafts must be constructed of non-combustible materials.<br />
Traditionally bricks or reinforced concrete walls are used to construct such<br />
shafts. <strong>Sustainable</strong> materials such as drywalls can also be used to construct<br />
the protected shafts provided they are designed to meet the performance<br />
criteria stipulated in the Fire Code.<br />
36<br />
Protected<br />
shaft may<br />
penetrate<br />
compartment<br />
floor<br />
Compartment<br />
floor
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