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Specifying Concrete

NATSPEC

Version:  (Current)
Specifying concrete defines the properties of concrete, and its expected performance.
STATIC CONTROL FLOORS

NATSPEC

Version:  (Current)
This TECHnote highlights the different types of static control floors and their application.
PREPARATION OF CONCRETE SUBSTRATES

NATSPEC

Version:  (Current)
Substrate is the surface to which a material or product is applied.
LIMIT STATE DESIGN

NATSPEC

Version:  (Current)
During recent decades, the emphasis in structural design has been moving from permissible stress design to limit state design since the latter approach makes possible rigorously designed, yet economical, structures by considering relevant modes of failure directly.
Atmospheric Corrosivity Categories TECHnote cover 2021

NATSPEC

Version:  2021.  (Current)
Atmospheric corrosivity categories are a standardised rating of the corrosivity of the atmosphere in relation to the corrosion rate of certain metals.
RAINWATER HARVESTING

NATSPEC

Version:  (Current)
The collection, storage and use of rainwater has potential for considerable reduction in the requirement for potable (mains) water supply. This TECHnote suggests ways that a NATSPEC based specification can be used to specify a rainwater harvesting system.
Corrosion Protection of Building Services TECHnote cover 2021

NATSPEC

Version:  2021.  (Current)
This TECHnote aims to provide specifiers with guidance in deciding the required protection to prevent excessive corrosion.
Universal design: acoustics TECHnote cover 2021

NATSPEC

Version:  2021.  (Current)
Acoustic design can have a significant impact on health and wellbeing, communication and productivity; good acoustic design allows for speech intelligibility and helps promote human interaction and knowledge transfer.
Archival records are administrative or project records which are no longer in current use but are retained to satisfy legal requirements, for promotional or reuse value, or for their potential historical significance. This TECHnote addresses requirements for successful long-term storage of, and access to, digital archival records.

NATSPEC

Version:  (Current)
Archival records are administrative or project records which are no longer in current use but are retained to satisfy legal requirements, for promotional or reuse value, or for their potential historical significance.
NTN_DES_048_Chiller_schedules.pdf 2022. cover

NATSPEC

Version:  2022.  (Current)
NATSPEC worksections cover a wide range of chillers including those with centrifugal, screw or scroll compressors, air or water cooling and heat recovery. Absorption chillers are also included; the chiller worksections also include options for specifying requirements such as IPLV and NPLV; this TECHnote aims to help specifiers to complete the included schedules.