Plant Rooms
Hobs
- Hobs in plant rooms must be:
- Installed for every penetration
- Installed at each riser on each floor behind the riser cupboard door
- Membraned and sealed
- At a minimum 100mm in height.
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Acoustic
- Refer to the site specific acoustic specification.
Seismic
- Seismic restraints/bracing in accordance with AS1170.4 - 2007 must be:
- Detailed and installed as per approved shop drawings
- Installed for the following mechanical services:
- Smoke control systems
- Ducts and pipework
- Suspended reticulated services 65mm in diameter and above and gas services 25mm and above, installed 300mm or lower below the fixed point to the structure.
- Seismic restraints/bracing do not need to be installed on:
- Piping in boiler and mechanical rooms with less than 32mm inside diameter
- All other piping with less than 64mm inside diameter
- All electrical conduit with less than 64mm inside diameter
- All rectangular air-handling ducts with less than 0.4m2 in cross sectional area
- All round air handling ducts less than 700mm in diameter.
- All ducts and piping suspended by individual hangers 300mm or less in length from the top of the pipe to the bottom of the support for the hanger.
- Separation between restrained and unrestrained services must be in accordance with the table below:
