GRID
High Voltage Switchgear
PS 0003EN
03 1996-03-18 2011-03-21 2 / 3
Sheet N° Revision 1st issue Revision date Page
SAFETY INSTRUCTIONS
PACKING
TRANSPORT
INSTALLATION
START-UP
OPERATION
MAINTENANCE
SCRAPPING &
RECYCLING
1 Pressurized Equipment : General.
1.1 Comply with the assembly instructions shown
on both our equipment and the gas bottles.
X X X X X X X
1.2 Before starting work on any pressurized piece
of equipment, make sure there is no pressure.
X X X X
1.3 Before any handling, check to see how the
equipment is fixed to its frame and how the
frame is itself anchored.
X X X X
1.4 High-pressure pipes must be fixed or otherwise
made safe.
X X X X
1.5 Before initial pressurization, check that all
circuits are properly sealed.
X X X X
1.6 Never tighten a pressure fitting. X X X X
1.7 Ensure that for every bolted connection for a
volume under pressure there is an appropriate
and properly fastened bolt at each relevant
point.
X X
1.8 It is strictly forbidden to lift or otherwise move a
piece of equipment inflated to a pressure in
excess of 300 hPa of gas.
X X X X X
1.9 Before giving any orders to move equipment,
check visually or by ear that all the relevant
pipe fittings are tight.
X X
X
1.10 Comply with the standard instructions
governing the use of compressed gas bottles
(e.g. keep the bottle away from any source of
heat).
X X X X X X X
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