fire and smoke damper standards - airah - home · 2017-07-20 · aus building code nbcc as 1668.1...

Fire and Smoke damper standards

Vance Rowe

Presentation Overview

➢Overview of standards➢Background

➢Changes to AS1682 and referenced standards➢General Changes

➢Installation Overview➢General requirements

➢Product testing➢Fire dampers➢Smoke dampers

➢Summary

Watch the timer!!!!

AUS

Building Code

NBCC

AS 1668.1

(2015)

AS 1682.1 & 1682.2

(2015)

AS 1530.4 (2014)

AS 1530.7 (2007)

Fire/Smoke/Air Damper Standard

Fire & Smoke Control

Testing Standards

National & Local Building Code

Installation Label

damper frame, blades

Fire

Barrier

mounting sleeve

retaining flanges

Section through a wall opening

Total expansion gap (both sides added together) must be as tested but generally follows the rule: 10mm plus 1% of A

Must be at least minimum of prototype tested!!!

No Packing required for our dampers!! However if requiredMust have a fusion temperature greater than 1000 deg C

Retaining flanges

2 x maximum expansion Gap

Fixings to sleeve &Not to wall

position

Blade Pack when closed inside fire barrier cavity

Rigid Joint

Duct Joints

Break-away Joint

retaining flanges

Oversize hole & penny washer

Suggested Solution to one sided fixing SMACNAIn standard as acceptable variation see 1682.2

This side inaccessible, eg riser

250 mm motor side only

protrusion

DAMPER ACCESS

Drop testafterInstallationAS1851-2012

AS1682.2 states the structural adequacy of the fire barrier must be maintained.

The standard is clear that where dampers are installed less than 75mm from a adjacent wall, ceiling slab or floor slab. The installation shall comply with the fire test or opinion.

Four hour time-temperature curve

Multi- Section Dampers

Must be tested –opinionsNo longer valid

Sub- Standard Installation Examples