Attachment 8 - Environmental Noise Assessment · MCU23/0078

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- Concrete or terracotta tile or metal sheet roof with sarking, plasterboard ceiling at least 10mm thick fixed to
ceiling cavity.
51 Concrete slab at least 150mm thick

 

Concrete slab at least 100mm thick
OR

Tongued and grooved boards at least 19mm thick with:

(i) timber joists not less than 175mm x 50mm; and

Floors is (ii) mineral insulation or glass wool insulation at least 75mm thick with a density of at least 11kg/m?

positioned between joists and laid on plasterboard at least 10mm thick fixed to underside of joists;

and

(ii) mineral insulation or glass wool insulation at least 25mm thick with a density of at least 11kg/m? laid
over entire floor, including tops of joists before flooring is laid; and

(iv) secured to battens at least 75mm x 50mm; and

(v) the assembled flooring laid over the joists, but not fixed to them, with battens lying between the
joists.

 

35 Solid core timber not less than 45mm thick, fixed so as to overlap the frame or rebate of the frame by not
less than 10mm, with full perimeter acoustically rated seals.

 

Fixed so as to overlap the frame or rebate of the frame by not less than 10mm, fitted with full perimeter

 

 

 

 

 

 

Entry Doors acoustically rated seals and constructed of -
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(i) solid core, wood, particleboard or blockboard not less than 45mm thick; and/or
(il)_ acoustically laminated glass not less than 10 38mm thick
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Fixed so as to overlap the frame or rebate of the frame, constructed of -
(i) Wood, particleboard or blockboard not less than 33mm thick; or
28 (ji) Compressed fibre reinforced sheeting not less than 9mm thick; or
(iii) Other suitable material with a mass per unit area not less than 24.4kg/m2; or

(iv) Solid core timber door not less than 35mm thick fitted with full perimeter acoustically rated seals.

 

 

Version 1.1 Page 14 Publication Date: 17 August 2015,

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