CEA 4001 - Action following sprinkler operation

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of pipework feeding the part or parts where work is taking place;
g) in the case of manufacturing premises, when the alterations or repairs are extensive,
or it is necessary to disconnect a pipe exceeding 40mm nominal diameter, or to
overhaul or remove a main stop valve, alarm valve or check valve, every effort shall be
made to carry out the work while;
h) any pump which is out of commission shall be isolated by means of the valves provided.
NOTE :where possible parts of installations should be reinstated to provide some protection overnight
by using blinders and blanks within the pipework; the blinders and blanks should be fitted with
visible
indicator tags numbered and logged to aid timely removal.
18.1.3.2 Planned shut-down
Only the user shall give permission for a sprinkler installation or zone to be shut down for any reason
other than an emergency.
Before a system is wholly or partly shut down every part of the premises shall be checked to ensure that
there is no indication of fire.
Where premises are subdivided into separate occupancies constituting buildings in communication or at
risk, protected by common sprinkler systems or installations, all occupiers shall also be advised that the
water is to be turned off.
Particular attention shall be given to situations where installation pipework passes through walls or
ceilings where these may feed sprinklers in areas needing special consideration.
18.1.3.3 Unplanned shut-down
When an installation is rendered inoperative as a matter of urgency or by accident, the precautions in
18.1.3.1 shall be observed as far as they are applicable with the least possible delay. The
authorities shall also be notified as soon as is possible.
18.2 Action following sprinkler operation
18.2.1 General
Following shut-down after operation of an installation, the operated sprinkler heads shall be replaced by
heads of the correct type and temperature rating, and the water supply restored. Unopened sprinklers
around the area in which operation took place shall be checked for damage by heat or other cause and
replaced as necessary.
The water to an installation or zone of an installation that has operated shall not be shut off until all fire
has been extinguished.
The decision to shut down an installation or zone which has operated because of fire shall be taken only
by the fire service.
Components removed from the system shall be retained by the user for possible examination by an
authority.