Operation and Maintenance
1. Start of operations of the FLEXWELL Safety Pipe Sys-
tem
1.1 Leak testing of the FLEXWELL Safety Pipe System
Leak testing has to be done according to "Instructions for lay-
ing and mounting FLEXWELL Safety piping" (FSR 8.70.05).n
Caution: Do not use any liquids or solid materials for
the leak test.
Caution: The local rules and regulations for pressure
testing have to be strictly adhered to.
1.2 Generaloperatinginstructions
The operator of a pipe system for flammable or hazardous
liquids has to maintain such in proper operating condition and
to operate it according to all applicable rules and regulations.
The system has to be monitored constantly and necessary
maintenance and repair work has to be preformed immedi-
ately and, depending on the circumstances, appropriate safety
measures have to be taken.
The pipe system may not be operated, if it has deficiencies,
which can endanger employees, other persons present or the
environment. Appropriate steps have to be taken immediately
to eliminate a dangerous condition.
The operator is obligated to issue the necessary orders, to take
the necessary steps and to make sure such orders are adhered
to to avoid any dangerous conditions.
1.3
2
Inspections by the operator
The operator inspects the pipe system in required intervals for
proper operating condition in accordance with the operating
instructions and other regulartory mandates:
In particular he makes sure that,
Caution: Product pipe may be under pressure after completion of testing.
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1.
2.
3.
4.
5.
6.
7.
fire protection installations are ready for service and that
binder for spilled fluids is available in the specified quantity
and at the predetermined location(s),
fire alarms are operational,
no prohibited materials and objects are located in areas
with explosion hazards,
pipes and fittings are tight,
procedure for testing of leaks in the interstitial space
(annular gap between primary and secondary pipe) as
described in point 2.1
the required safety installations are functioning,
fire lanes are unobstructed at all times
and in explosion hazardous areas bans of smoking and
open fires are strictly observed.
Caution: Maintenance work and intervals have to be
performed in accordance with the local regulations.
Startup of the FLEXWELL Safety Pipe System
Caution: Startup and commissioning has to be per-
formed in strict accordance with the local rules and
regulations.
Maintenance of the FLEXWELL Safety Pipe System
After completion of cleaning, maintenance and repair work
and inspections the installation has to be returned to operating
condition.
In particular all the safety devices have to be returned to oper-
ating condition.