8.1.2 Mounting
arrangements are to take account of forces and moments generated at
the supports. Mounting arrangements are to take account of thermal
expansion and contraction.
8.1.3 Access
is to be provided for inspection and checking of mountings, fittings,
controls and pressure-relief devices.
8.1.4 Arrangements
are to allow the pressure settings of pressure-relief devices to be
checked.
8.1.5 Where
provision is made to isolate pressure-relief devices from pressure
vessels for maintenance purposes, at least two such pressure-relief
devices are to be fitted. The isolating or blocking valves are to
be arranged such that at least one pressure-relief device remains
operational at all times.