Technical Data

Sound Pressure

rporteous — Wed, 30 Jul 2008 11:22:08 +1000

Sound

Sound is vibration transmitted through a solid, liquid, or gas; particularly, sound means those vibrations composed of frequencies capable of being detected by ears.

For humans, hearing is limited to frequencies between about 20 Hz and 20,000 Hz (20 kHz), with the upper limit generally decreasing with age.

Intranet

Building Permits

rporteous — Wed, 16 Jul 2008 14:28:31 +1000

When is a building permit required?

Practice Note 2008-32 has been provided to assist the industry apply the relevant legislative requirements on this issue by the Building Commission. They have changed with each issue of the Building Regulations (1994, 2006, 2006) and re-issue of the relevant Practice Note. (2006-32, 2008-32).

Prescribed and Non-Prescribed Electrical Installation Work

rporteous — Wed, 09 Jul 2008 22:41:59 +1000

Non-Prescribed Electrical Installation Work

Non-prescribed electrical installation work means work other than listed as prescribed electrical installation work.

Prescribed Electrical Installation Work

Prescribed electrical installation work means work on all or part of any of the following electrical installations if they are ordinarily operated at low voltage or a voltage exceeding low voltage :-

Key resettable Manual Call Point

rporteous — Thu, 29 May 2008 10:17:12 +1000

One of the requirements of Australian Standard AS1851 is that building owners maintain a quantity of spare glasses for their manual call points. Manual call points (MCP's) also know as break glass alarms (BGA's) and pull stations are not used as regularly as they have been in the past however they can still be found in many buildings.