Position Paper on 3rd Party Inspection

Transcription

Position Paper on 3rd Party Inspection
POSITION PAPER ON THIRD PARTY INSPECTION OF WATER MIST FIRE PROTECTION SYSTEMS
It is the opinion of the Association that, in order to ensure proper performances of a water mist
system per its approval certification by accredited testing laboratories, the system should be
inspected by a third party after the system is installed and commissioned. During the follow-up
period, regular system maintenances as recommended by the system provider, or required by
the authorities having jurisdiction, should be accomplished.
At a minimum, for a newly installed system, the relevant Design Specifications derived from the
type of approval should be made available. The inspector shall verify that the system has been
installed according to a recognized technical standard and to the declared manufacturer’s
Design Specification and that the protected occupancy is representative within the occupancies
covered by the fire test to which the system has been successfully tested. The system layout
and components should be checked to comply with the engineering drawings and hydraulics
calculations, and a flow test should be conducted if feasible.
During maintenance the inspection should discover if any alterations have been made to the
system and should check it at least for damage or corrosion, obstructed nozzles, quantities and
conditions of pertinent agents, component functioning and shut valves. The requirement of
pressure and/or flow tests should be decided by authorities having the jurisdictions and the
system manufacturer.
A third party inspection company shall be accredited to the latest edition of ISO/IEC 17020. The
inspectors of the accredited company shall be qualified and competent, specially trained and
have a comprehensive and documented knowledge of water mist fire protection systems.
The third party inspection company should not be involved in the planning, design,
procurement, fabrication, construction and installation of the system to be inspected.

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