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The ratings for each Landscaping section are the same for all building types:
Domestic, Health, Commercial, Retail, Industrial, Education
Functional unit for Landscaping: surfacing for pedestrian areas:
1m² of hard surfacing, suitable for pedestrian loading, informed by relevant British Standards and Industry consultation.
Functional unit for Landscaping: surfacing for lightly trafficked areas:
1m² of hard surfacing, suitable for the parking of cars and light traffic loading, informed by relevant British Standards and Industry consultation.
Functional unit for Landscaping: surfacing for heavily trafficked areas:
1m² of hard surfacing, suitable for heavier traffic loading, informed by relevant British Standards and Industry consultation.
Functional unit for Landscaping: boundary protection:
1m² of boundary protection or balustrading up to 2m high, informed by relevant British Standards and Industry consultation.
Landscape has been broken down into four separate sections, each of which have been assessed separately have their own ranges. These are:
"Asphalt" is used to refer asphalt concrete, i.e. principally a mixture of bitumen binder and aggregates, that meets the performance requirements of the specified traffic loading. The term "asphalt" can be used interchangeably with "bituminous macadam", "tarmac" and "bitmac". All of these are used to refer to the surface layer of a paving or road construction with necessary base and sub-base courses beneath.
BREEAM 2008 Schemes to which this element applies:
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Sustainable urban drainage systems (SUDS), such as permeable precast concrete block paving or permeable asphalt systems can be considered to have the same ratings as their conventional equivalents. The additional material that may be necessary for SUDS is discounted as the benefit it provides is for facilitating drainage and therefore sits outside the scope of the functional unit.
This section provides ratings for landscape surfacing for areas exposed to pedestrian loading only, which includes public and private spaces, such as communal spaces, walkways, patios and garden areas. These areas are not expected to support vehicle loadings. All the specifications are expected to achieve standard disabled access requirements.
Where soft landscaping solutions can be used, such as wood chippings or grass turf, these achieve the highest rating band possible of A+.
Lightly trafficked areas are expected to withstand light trafficking and as such are not likely to be overridden by more than occasional heavier traffic in terms of weight or frequency . They are suitable for car parking spaces and lightly trafficked areas.
Heavily trafficked areas are expected to withstand heavy vehicles and/or repetitive lighter traffic.
The perimeter of an ‘out-of-town' site is often long enough for the boundary protection to be significant compared to the area of the external wall of the building it surrounds. Boundary protection can therefore make a significant contribution to the overall impacts of an out-of-town large scale development.
 Assumed approximate mechanical strength of sub-grades to be California Bearing Ratio (CBR) of 4 to 5%.
 Informed by British Standards for lightly trafficked pavements, BS 7533-2:2001.
 Informed by British Standards for heavy duty pavements, BS 7533-1:2001 and assumes a CBR of 5 to 10% and 0.5 to 1.5 million standard axles (MSA) durability.
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