Specification for the Colt Firepath fire curtain

Manufacturer
Colt International Limited
New Lane, Havant, Hampshire. PO9 2LY
Telephone 023 9245 1111
Fax 023 9245 4220

Product Reference
Colt Firepath Automatic Fire Curtain

Approved Standards

The following standards apply to this product:

BS 7346: Part 3: 1990
Components for smoke and heat control systems

BS 476:
Fire tests on building materials and structures:

Part 22 : 1987
Methods for determining fire resistance of non-load bearing elements of construction.

Part 22 : 1987
Test for overlapping fire curtains.

Product Performance
Complete product tested to BS 476: Part 22 1987, clause 8 and achieved an integrity rating to BS 476: Part 20: 1987 of 270 minutes.

Technical Specification
The system comprises a heat resistant wire inserted satin weave glass-fibre fabric coloured light grey on a steel roller with integral tubular geared electric motor, gearbox and drive mechanism.

Upper limit control by electronic current limiting. Decent by controlled gravity fall via a brake controlled using back-EMF generated from the motor circuit. Lower Limit control by extent of fabric.

Enclosed within an 18swg galvanised steel box 180mm wide x 180mm deep single box up to 6m span. Bottom bar to retract into headbox 10mm above fixed ceiling line.

Side guide from 18swg galvanised steel channel.

Controls
The fire curtains will be capable of operation as an integrated part of the Smoke Control and Fire Management System, with emergency power units and the facility to interface directly an OPV addressable control panel (if supplied).

The system shall be fully protected and fail-safe to avoid the need for fire rated cabling, with 30 minute time delay to maintain units in the raised position in the event of a temporary interruption to the power supply. If power is not returned, units to power descend to down / default position after time delay.

20 cycle operation upon mains failure.

A "soft ascent" facility shall be incorporated to minimise the risk of ceiling damage.

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