NZ4202 - Unitec
NZ4202 - Unitec
NZ4202 - Unitec
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SNZ NZS*4202 95 W 8583369 O042477 2LT W<br />
NZS 4202: 1 995 Issued June 1995<br />
3.5 PLANKING AND STRUTTING<br />
3.5.1 General principles<br />
3.5.1.1<br />
Planking and strutting shall be deemed to mean providing everything necessary to<br />
retain the sides of excavation by whatever means are necessary.<br />
3.5.1.2<br />
Planking and strutting shall be scheduled full depth to all excavations 1.5 m in depth<br />
and over.<br />
3.5.1.3<br />
Irrespective of depth, planking and strutting shall be measured full depth against all<br />
public places and adjacent sites, and to all under-pinning.<br />
3.5.1.4<br />
Planking and strutting to excavation circular on plan shall be scheduled separately.<br />
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3.5.1.5<br />
Planking and strutting required to be left in shall be scheduled separately<br />
3.5.2 Measurement procedure<br />
3.5.2.1<br />
Planking and strutting to basement excavation shall be measured in square metres<br />
of surface area and the depth, down to the general level of the excavation, shall be<br />
stated. Any special shoring specified shall be measured.<br />
3.5.2.2<br />
Planking and strutting to trenches shall be measured to both sides of trenches in<br />
square metres as not exceeding 3.0 m, not exceeding 4.5 m, not exceeding €.O m<br />
in depth and thereafter in depth of 5.0 m stages. The surface level of the trench shall<br />
be stated if not the general ground level.<br />
3.5.2.3<br />
Planking and strutting to trenches over 2.0 m in width shall be measured separately<br />
and the widths stated.<br />
3.5.2.4<br />
Planking and strutting to pier holes and pits shall be measured separately.<br />
3.5.2.5<br />
Where work is to be constructed involving the shortening of struts or shores and<br />
restrutting or reshsring, the planking and strutting shall be measured separately and<br />
described.<br />
3.5.2.6<br />
Planking and strutting to tunnelling shall be measured separately in metres. The<br />
shape, length, width, height and sectional area of the tunnel shall be stated.<br />
3-4<br />
Copyright Standards New Zealand<br />
Provided by IHS under license with SNZ<br />
Document provided by IHS Licensee=<strong>Unitec</strong> Inst of Technology/5911177001,<br />
03/02/2005 18:31:52 MST Questions or comments about this message: please call<br />
the Document Policy Group at 303-397-2295.
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