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: