riser
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Riser
NCC
means the height between consecutive treads and between each
landing
and continuous tread.
Standards
the vertical distance from the top of one stair tread and the next stair tread above or below
Source - AS 1657:2018: Design, construction and installation
HB50
<fire service>
dry riser; fire hydrant riser; wet riser
<sanitary> vertical extension of the inlet leg of a trap, to floor or ground level
dry riser; fire hydrant riser; wet riser
<sanitary> vertical extension of the inlet leg of a trap, to floor or ground level
A straight length of pipe fitted to a trap to extend it. It may allow connections of pipes. Risers may be plain double inlet, or single inlet. A plain riser usually extends to floor level and is fitted with a grate, so as to serve as a floor waste outlet.
<service>
duct or pipeline that connects a service with equipment at a higher level
<stair> vertical component of a step between one tread and another or a landing above or below it
See Figure A.32
See also: raking riser <stair>; tread
<water supply> vertical section of pipe for conveying water from a lower to a higher level
See also: dropper
duct or pipeline that connects a service with equipment at a higher level
<stair> vertical component of a step between one tread and another or a landing above or below it
See Figure A.32
See also: raking riser <stair>; tread
<water supply> vertical section of pipe for conveying water from a lower to a higher level
See also: dropper
