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4. Design parameters
There are several critical factors to consider in the implementation of design, such as the coordination of third party services including inter-alia lighting and the provision of ductwork. Interfacing with such equipment must not in any way compromise the critical parameters of design that are pre-requisite of DualMIST in regard to performance vide the appropriate placement of nozzles.
It is imperative that design considerations take due cognisance of the following provisions:
4.1 Nozzle Selection
The selection of nozzles should be in accordance with this guidance document and should meet at least the established parameters herein.
a) Type / Nozzle Orientation / Temperature Rating
Reference Type Nozzle Orientation Temperature
High level areas either Residential or Commercial.
Domestic, Residential*
Commercial
Pendant
Pendant
Pendant
Sidewall
Deluge No Bulb
68°C
57°C
57°C / 68°C
DM3
DM4R
DM4C
ww w. dualmist.
DM5
Residential and Light Commercial use such as hotel bedroom bulkheads
*Please note BS 8458:2015 Table 3 maximum room size of 80m2
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