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Sets out the requirements for the design, installation and commissioning of heated water services using drinking water or rainwater or a combination thereof; includes aspects of the installation from, and including, the valve(s) on the cold water inlet to any cold water storage tank or water heater and the downstream fixtures and fittings; applies to new installations as well as alterations, additions and repairs to existing installations.

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.

This TECHnote examines the statutory requirements for seismic restraint which must be considered for non-structural components and internal fixings, and the relevant provisions within NATSPEC.