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Page 7 of the General Construction Inspection Approval no. Z-40.22-388
of 12th July 2006
(8) Vessels may, provided this is permitted by traffic legislation, be
stacked in several layers.
(9) The permissible loading of each containment device is given in
annexes 1.1 sheet 3 and 1.2 sheet 3.
5.1.2 Stored liquids
The containment devices may only be used to hold containers/
vessels storing liquids in accordance with paragraph 1(5).
5.1.3 Useful volume of the containment device
When using containment devices, it must be ensured that, in the
event of a leak of the containers/vessels into the containment
device, the permissible containment volume is not exceeded.
Therefore, when using containment devices which can only be
used without a grating, a freeboard of 2 cm must be borne in mind,
while with other containment devices a freeboard down to the
lower edge of any grating being used is permissible.
5.1.4 Documentation
The container manufacturer must supply a copy of the General
Construction Inspection Approval to the installation operator.
5.2. Maintenance and servicing
(1) The containment device must be kept free from precipitation
and dirt.
(2) When exchanging the grating, only an equivalent grating may
be used.
(3) Damaged collecting troughs are to be sorted out and removed.
Repair of PE-HD collecting troughs is not permitted.
5.3
Tests
(1) The operator is obliged to visually check at least once per
week, whether liquid has escaped into the containment device.
Escaped liquid should immediately be cleared up, the containment
device should be checked before further use and, if necessary,
replaced.
(2) A rigorous visual inspection of the containment device is to
be carried out at least once per year. Insofar as vessels are sited
in it, these are to be taken out of the containment device and, if
necessary, the containment device is to be cleaned.
(3) The results of the test carried out under (2) are to be logged
and presented to the German Institute for Structural Engineering
upon request.
(4) Tests as required by other directives are not affected by this
and must also be satisfied.
Leichsenring
10
Certified
Annex 2 to the General Construction Inspection Approval no. Z-40.22-388
of 12th July 2006
Manufacture, packaging, transport, and storage
1
Manufacture
(1) The tablets must be prefabricated such that they are not
thermally damaged.
(2) The deep drawing process is to be controlled so that the
required minimum wall thickness is always maintained.
2
Packaging, transport, storage
2.1 Packaging
Packaging the containment devices for the purpose of transport or
storage is not necessary if the requirements of Sec. 2.2 are met.
2.2 Transport
(1) The containment devices must be transported and loaded- and
unloaded, so that no damage occurs.
(2) The loading surface of the transport vehicle must be
constructed so that it is not possible to damage the containers by
impacts from pointed objects- or because of compressive stresses.
(3) To avoid hazards for employees and third parties, the applicable
accident prevention directives must be observed.
2.3 Storage
Should temporary storage be necessary, this should be on flat
ground free from sharp-edged objects. If stored outside, the
containment devices should be protected against damage and
storms.
2.4 Damage
When damage occurs due to transport or storage, the course
of action should be based on the findings of an expert on water
legislation or the certification agency.
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