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Page 7 of the General Construction Inspection Approval no. Z-40.22-420
of 24th January 2008
(3) When storing containers made from different materials together,
it must be ensured that should an overflow/leak occur from an ad-
joining container/vessel the material of the other containers/vessels
cannot be attacked by the escaping stored medium.
(4) When containers are being used for filling (e.g. drums with a
tap), the handling/filling area must also be protected. Filling devices
must not extend beyond the edge of the containment device.
(5) When using containers which are supported on locking pints,
feet or runners or the standing surfaces of which cause a high sur-
face loading, then where necessary, load distributing measures are
to be implemented.
(6) Containers must be installed so that the containment device re-
mains sufficiently visible or checkable.
(7) Vessels may, provided this is permitted by traffic legislation, be
stacked in several layers. However, the stack height may not ex-
ceed 1.20 m.
(8) If use of the containment device with bearing surface is to in-
clude support elements (PE support pipe see annex 1.10), then use
is only permitted with support elements intended for this purpose.
(9) The maximum permissible load of the containment devices is
600 kg if the load is spread equally across the bearing surface.
(10) No additional external loads should be placed on the walls of
the containment devices (except for the intended loads on the grat-
ings according to this General Construction Inspection Approval
and the hydraulic pressure in case of leaks).
(11) Re-positioning the containment devices with installed contain-
ers is not permissible.
5.1.2 Stored liquids
The containment devices may only be used to hold containers/ves-
sels storing liquids in accordance with section 1 (7).
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 into the containment device, the
permissible containment volume according to section 1 (3) is not
exceeded. A freeboard down to the height of the lower edge of the
grating is to be taken into consideration. For containment devices
used without gratings, the remaining volumes of the containment
device are to be taken into consideration with installed containers
and a freeboard.
5.1.4 Documentation
The container manufacturer must supply a copy of this General
Construction Inspection Approval to the installation operator.
5.2
Maintenance and servicing
(1) The operator of a storage installation is obliged to use only
specialist companies approved in the sense of § 191 WHG for the
maintenance and repair of containment devices, unless such activi-
ties are excepted from the obligation to use a specialist company
in accordance with German State Law or the manufacturer of the
containment devices carries out the activities using his own special-
ist personnel.
(2) Steps to remedy damage should be clarified in consultation with
an external plastics expert in water legislation or with the manufac-
turer's own expert.
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.
12
Page 8 of the General Construction Inspection Approval no. Z-40.22-420
of 24th January 2008
(2) A rigorous visual inspection of the containment device is to be
carried out at least once per year. Insofar as containers are sited in
it, these are to be taken out of the containment device and, if neces-
sary, the containment device is to be cleaned.
(3) If the containment device has been repaired after it sustained
damage that seriously impaired its proper operation, a leak test is
to be undertaken using water. Repair and leak testing must either
be carried out by the manufacturer or by a specialist company in
accordance with § 19 1 WHG.
(4) The results of the test carried out under (2) and (3) are to be
logged and presented to the German Institute for Structural Engi-
neering upon request.
(5) Tests required by other directives are not affected by this and
must also be satisfied.
Annex 3 of the General Construction Inspection Approval no. Z-40.22-420 of
24th January 2008
Manufacture, packaging, transport, and storage
1
Manufacture
Manufacture of the containment device carrier is to be carried out accor-
ding to the procedure listed in the manufacturing description stored at DIBt.
The injection moulding is to be controlled so that the mould is filled entirely
with moulding compound.
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, storage
2.2.1 General instructions
Transport must be carried out by only those companies with specialist
experience, suitable machinery, equipment, and means of transport, and
sufficiently trained personnel.
To avoid hazards for employees and third parties, the applicable accident
prevention directives must be observed.
2.2.2 Transport preparation
The containment devices must be prepared for transport so that no dama-
ge occurs during loading, transport, and unloading.
The loading surface of the transport vehicle must be constructed so that it
is not possible to damage the containment devices by impact or pressure
against a pointed object.
2.2.3 Loading and unloading
When lifting, moving, and setting down the containment devices, impacts
must be avoided.
The containment devices may not be dragged across the floor.
2.2.4 Carriage
The containment devices must be secured against unacceptable shifts of
position during carriage.
The type of fastening used may not damage the containers.
2.2.5 Storage
Should storage of the containment devices prior to fitting/installation be
necessary, then this must be on flat ground free of sharp objects. If stored
outside, the containment devices should be protected against damage,
direct UV rays and storms.
2.2.6 Damage
When damage occurs due to transport or storage, the course of action
should be based on the findings of a plastics expert according to water
legislation or the manufacturer's own expert
4
External experts in water legislation, who are responsible for plastics
issues include those external experts who are listed in a known monitor-
ing agency for the approved construction material or have been desig-
nated by the DIBt for this purpose.
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