Abstract： AS 4055:2021 pdf download.Wind loads for housing. 1.4 Terms and definitions For the purposes of this document, the following terms and definitions apply. 1.4.1 averaged ground level natural ground level excluding earthworks where earthworks...

AS 4055:2021 pdf download.Wind loads for housing.

1.4 Terms and definitions

For the purposes of this document, the following terms and definitions apply.

1.4.1

averaged ground level

natural ground level excluding earthworks where earthworks are minor, or averaged ground level through modified land where the earthworks are major

Note 1 to entry: Where minor earthworks have changed the level of the land over lcss than SO m2. see lower cross-section In Figure 1.2(a).

Note 2 to entry: Where major earthworks have changed the level of the land over more than SO m2, see upper right cross-section In

ElgureJ.lL1i).

1.4.2

bottom of hill, ridge or escarpment

area at the base of the hill, ridge or escarpment, where the average slope is less than I in 20

1.4.3

height

distance Ironi ground level to the underside of eaves or to the highest point of the roof neglecting chimneys; or the height of

each storey at external walls

1.4.4

house

NCC Class 1 or lOa building with the geometric limitations specified in Clause 1.2

1.4.5

length

maximum overall distance between outside edges of the external walls of a house or shape

Note ito entry: See Figure 12.

1.4.6

may

indicates the existence of an option

1.4.7

obstruction

natural or man-made objects that generate turbulent wind flow, ranging from single trees to forests and from Isolated small

structures to closely spaced multl.storey buildings

1.4.8

plan

basic rectangular, square or L-shaped layout, or simple combinations of these layouts.

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