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D R A F T


       4.3.2 Gas Safety Check
       Under the Gas Safe / HSE regulations for the UK,      •  The  control  box  will  require  an  adjacent
       it  is  a  requirement  that  the  gas  supply  to  the   13A fused spur, to be provided by the main
       ovens is interlocked in a failsafe  manner with           contractor.  The  control  box will also have
       the ventilation system. The DPG minimum spec              cables  feeding  to  it  from  the  ceiling  void
       for this system requires that:                            above. These  cables must  be chased into
                                                                 the  wall or  otherwise  neatly  covered  and
       •  There must be detection of both the extract            protected.
          airflow  and  the  fresh  air  duct  airflow,  such   •  The  main site electrician should supply  a
          that if either of these do not register positive       single  flush  mount  back  box  at  a  nominal
          airflow,  a  gas  solenoid  valve  immediately         height  of  1800mm  affl,  for  an  emergency
          cuts off the gas supply to the oven.                   stop button, and chased conduit  either  to
       •  Additionally,  as  good  practice,  the  system        above the ceiling, or to behind the control
          should in addition cut off the power supply            panel position, for the panel installer to run a
          to both fans in the event of airflow failure.          cable to. This MUST be located so that it will
       •  The  control  box for  this system must                not easily be triggered by accident.
          incorporate status indicator lights.               •  The control panel supplier will also supply a
       •  The  control box  must  also contain  a                suitable gas solenoid valve for installation in
          thermostat to control the LPWH in the fresh            the oven supply pipe by the main contractors
          air intake.                                            plumber.
       •  The control box must also contain at least         •  It is the main contractor’s  responsibility  to
          one pair of additional contacts for interlinking       supply and fit this system using only specialist
          with fire alarm systems, etc, if required.             suppliers approved by DPG.
       NOTE: If a control box is installed that does not contain the
       necessary thermostat and additional contacts, then these
       will need to be provided separately in some form and this
       should be priced as part of the project quotation. It will not
       be accepted as an ‘extra’.
























       4.3.2                       Gas Safety Check                                      3 February 2016
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