NZ4202 - Unitec

SNZ NZSa4202 95 m A583169 0042475 447 m
NZS 4202: 1 995 Issued June 1995
3.4 MEASUREMENT PROCEDURE
Depth of excavation
from commencing level
(m)
Working space (m)
not exceeding 0.5
0.5 to 1 .O
1 .o to 2.0
2.0 to 3.0 1 .o
exceeding 3.0
(b)
Allowance shall be taken from the wall face or the projecting footing face,
whichever gives the greater amount of excavation, and shall be measured for
the full depth of the excavation.
3.4.2 Clear site and surface excavation
3.4.2.1
The removal of trees, roots, scrub or similar obstructions shall be measured.
3.4.2.2
An item shall be measured for stripping vegetation if topsoil is to be stockpiled for
later re-use.
3.4.2.3
Topsoil orturf to be preserved shall be measured in square metres and the maximum
depth stated. The description shall include the distance to cart to stockpile.
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3.4.2.4
Surface excavation and site clearing not exceeding 300 mm in depth shall be
measured in square metres and the average depth stated.
3.4.2.5
Excavation over 300 mm in depth shall be measured in cubic metres and the
maximum depth stated.
3.4.3 Basement
Basement excavation shall be described and measured in accordance with 3.3.
3.4.4 Trench
Trench, footing and pier excavation shall be described and measured in accordance
with 3.3. The excavation shall be measured separately for each level from which
excavation commences.
3.4.5 Tunnel
Excavation for cuttings and tunnelling shall be described and measured in accordance
with 3.3. The length, width, height and sectional area of cutting or tunnel shall be
stated.
3-2
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