Miele KM 3034 Operating And Installation Instructions page 44

Installation
A gas appliance shall be installed such
that the surface temperature of any
nearby combustible surface* will not
exceed 65 °C above ambient.
The minimum clearance from a
combustible surface shall be a 200 mm
horizontal distance from the periphery
of any gas burner (AS/NZS 5601.1).
If that horizontal clearance is less than
200 mm, that vertical surface must be
protected by a non-combustible
material for 150 mm above the top of
the edge of the nearest burner for the
full dimension of the cooktop (depth,
width).
X Height from worktop surface to the
top of the edge of the burner
The shown area indicates the protected
surface, which may be ceramic tiles or
other approved material.
*Combustible surface:
A material which will ignite and burn,
and includes material which has been
flameproofed.
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Clearance underneath the appliance
A minimum safety clearance of 15 mm
must be provided underneath the
appliance.
Please note that clearance must also be
provided for the installation of the
flexible gas connection hose and mains
electrical cable if the appliance is to be
installed above a closed surface (e.g.
an oven).