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Page 7 of the General Construction Inspection Approval no. Z-40.21-288,
August 24, 2006
5.1.2 Stored liquids
(1) It is not permitted to store the liquids listed in Sec. 1 (3) if they
are mixed with one another or with other substances, or if a
different liquid has already been stored in the container.
(2) It is not permitted to store contaminated liquids if the con-
taminants would lead to altered material behaviour.
(3) The plant oils listed in Sec. 1 (3) under item 7 require ad-
ditional documentation that the container material complies
with food regulations before being used as food or in food
production.
(4) The diesel fuel meeting DIN EN 14214 standards (biodiesel)
listed in Sec. 1 (3) under item 7 may be stored only in con-
tainers designated as fluorinated [see Sec. 2.2.3. (2)].
(5) To use the containers to store photographic chemicals (see
Sec. 1 (3) under item 6), an additional protective coat as per
Annex 4, Sec.1.4, must be applied to the metal parts.
5.1.3 Usable container volumes
The allowed container filling volume does not exceed 95 %, un-
less a different filling volume is proven acceptable or is required,
referring to TRbF 20 Nr. 9.3.2.2. If there is a safety device
for avoiding overfilling, it must be set to the acceptable value.
5.1.4 Documentation
The container manufacturer must supply the following docu-
ments to the operator:
- A copy of this General Construction Inspection Approval or an
approved excerpt of it;
- A copy of the General Construction Inspection Approval for
the leak detector as in Sec. 1 (1) and also Sec. 5.1.1 (3), if the
container is delivered with one installed;
- A copy of the General Construction Inspection Approval for the
overfilling safety device
if the container is delivered with one installed;
- Installation instructions for setting up the containers
5.1.5 Operation
5.1.5.1 General instructions
(1) Before the individual free-standing containers are taken into
operation, the operator must affix a plate at a suitable place,
identifying the stored liquid and stating its density and its
concentration.
The labelling requirements of other directives are not affected
by this and must also be satisfied.
(2) The operating directives of TRbF 20 and the Ordinance for
Facilities and Companies Handling Substances Hazardous to
Water (VAwS) apply.
5.1.5.2 Filling and emptying
(1) Before filling, check whether the liquid to be stored is ap-
proved, matches the designation of the container, and is at a
temperature allowed in Sec. 5.1.5.3. In addition, check how
much liquid can be stored in the container and whether the
overfill safety device/limit indicator is in good operating condi-
tion.
(2) Filling and emptying requires a fixed, stably installed line
(pipe or hose) unless the water and work safety directives
allow an exception.
(3) Containers for storing heating oil complying with DIN 51 603
and diesel fuel complying with DIN EN 590 are not subject
to the requirements of Sec. (2) and may be filled from a tank
vehicle or portable tank with a full hose system using an
insertable automatic cut-off fuel pump
nozzle, at filling rates of up to 200 I/min.
(4) Filling must be completely supervised.
Page 8 of the General Construction Inspection Approval no. Z-40.21-288,
August 24, 2006
5.1.5.3 Further conditions
(1) The operating temperature of the stored liquid must not
exceed 30° C. However, for short times, temperatures of 10
K above the operating temperature (such as higher tempera-
ture of the storage liquid when filling) are excepted.
(2) When storing used lubricating, hydraulic and heat transfer
oils and used photographic chemicals, the container is used
as a collection container, with a connector for securely con-
necting a permanent pipeline or a removable line for use by
trained technicians only.
5.2
Maintenance and servicing
(1) The operator of a storage facility is obliged to employ for main-
tenance and cleaning of the containers only those businesses
which are specialists for this work in the meaning of § 19 I of
the Water Resources Act
by state regulations from requiring specialist companies.
(2) Deviating from (1), maintenance tasks may also be carried
out by the container manufacturer's own technical personnel.
(3) When flammable liquids are stored, the tasks described in
(1) must be carried out by companies that are considered
qualified specialists according to TRbF 20 No. 15.4.
(4) Steps to remedy damages should be decided in consultation
with an expert in water directives or the certification agency.
(5) Cleaning the inside of containers with solvents, for example,
for an inspection, is not allowed. The accident prevention
directives and directives for use of chemical cleaning agents
and the disposal of cleaning waste must be observed.
5.3
Tests
5.3.1 Performance test / test before commissioning
(1) After installing the container and mounting the pipelines and
safety devices, a performance test is necessary. It consists
of visual examination, a leak test, testing the pipelines,
fittings and other equipment.
(2) A performance test does not replace a necessary test
before commissioning by a specialist for water directives;
however, the two can be performed together.
5.3.2 Ongoing tests / tests after commissioning
(1) The operator must examine the containers visually for
leakage at least once per week. As soon as leakage is
discovered, the unit must be taken out of operation and the
damaged container emptied.
(2) The leak detector (complying with Sec. 1 (1) or Section
5.1.1 (3)) is to be checked for proper operation as specified
in the General Construction Inspection Approval for that
leak detector.
(3) Tests as required by other directives are not affected by this
and must also be satisfied.
Leichsenring
8 Water Resources Act (Wasserhaushaltsgesetz – WHG),
dated August 19, 2006
GB
, unless these tasks are excepted
8
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