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AS 2758 provides a basis for specifying requirements for aggregates intended for use in sprayed bituminous surfacing. The requirements relate to quality of rock and other properties of coarse aggregate. A coarse aggregate may be produced from rock, gravel, metallurgical slag or suitable synthetic materials.

SA TS 5397:2024 provides consumers with best-practice advice for planning, installation and ongoing operations, and maintenance of electric vehicle (EV) chargers for commercial applications in the Australian context.<p>The development of the EV charger specifications is an initiative of the NSW Department of Climate Change, Energy, the Environment and Water in collaboration with Transport for NSW. This important work has been funded by the NSW Environmental Trust and aligns with the NSW Government’s Net Zero Plan Stage 1: 2020-2030.

This TECHnote discusses the requirements for microbial control in buildings and how these are addressed in NATSPEC.

This TECHnote addresses the selection of appropriate levels of insulation for piping, vessels and heat exchangers with curved surfaces.

Water sensitive urban design (WSUD) integrates planning and design of the urban water cycle, water supply, waste water, stormwater and groundwater management, urban design and environmental protection.

This TECHnote provides a checklist intended to assist the architect or building designer in the assessment of proposals for the design and installation of HVAC systems.

This TECHnote highlights design and construction issues for consideration and suggests suitable NATSPEC worksections for the documentation of living walls and roofs.

This TECHnote addresses the use of impact sound insulation in floor systems.

This TECHnote provides guidance on the selection of grass seed mixes and turf species for general landscaping for use in 0252 Landscape – natural grass surfaces.

This TECHnote discusses several of the native grass species suitable for lawn applications.