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GB
General technical approval /
General design certification
No. Z-40.21-589
3.2.4
Documentation and certificate of conformity
The company performing the work must provide confirmation, in the form of a certificate of
conformity, that the containers have been correctly positioned, installed and assembled as
described in the manufacturer's assembly instructions and in accordance with the provisions
of this decision, taking account of the provisions issued by the building authorities for items
of equipment. This confirmation is to be provided to the operator in each individual case and
included in the construction file.
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Provisions for use, upkeep, maintenance and inspections
4.1
Use
4.1.1
Liquids to be stored
(1) The containers are to be used to store water-polluting liquids, as described in Section 1 (6)
and subject to the restrictions described therein.
(2) Storage of contaminated media is not permitted if the contamination in question changes
the behaviour of the substance.
4.1.2
Usable container volume
The permissible fill level of containers must be determined in such a way that the containers
cannot overflow. Excess pressures that may jeopardise the leakproofness or stability of the
containers must not arise. The permissible fill level of the containers is to be determined in
accordance with Annex 5. The overfill protection is to be configured accordingly.
4.1.3
Documents
– Copy of this decision,
– Copy of the regulations governing the spare parts included in the scope of delivery,
– Assembly instructions for the installation of the containers.
4.1.4
Operation
(1) Prior to commissioning of the containers, the operator must affix a sign, that is to be vis-
ible at all times, with details of the liquid being stored, as described in Section 1(5), including
its density and concentration. This shall be without prejudice to any labelling required by oth-
er legislation.
(2) The operating regulations set out in the Verordnung über Anlagen zum Umgang mit
wassergefährdenden Stoffen - AwSV [German Ordinance on Installations for Handling Sub-
stances Hazardous to Water]
(3) Prior to filling, a check must be carried out to ensure that the medium to be stored corre-
sponds to that named on the sign referred to in Paragraph (1) and that the temperature of
the medium with which the container is to be filled will not cause the permissible operating
temperature set out in Section 1(5) to be exceeded. Furthermore, a check must be carried
out to establish the amount of liquid that the container is able to store and whether the over-
fill protection is in good condition.
(4) The containers may only be filled using fixed connections and an overfill protection system
that automatically interrupts filling or triggers an acoustic alarm in good time before the permis-
sible fill level is reached. This does not apply to containers that are equipped with a self-closing
delivery nozzle and that are filled in free flow at fill rates of up to 200 l/min.
(5) Filling must be carried out under supervision at all times. Once the filling process is
complete, compliance with the permissible fill level set out in Section 4.1.2 must be checked.
(6) For the purposes of the scope of application governed by this decision (static storage),
the containers must be emptied prior to their transportation. The position in which filled or
partially filled containers have been installed cannot be changed.
(7) When using the containers for the purpose of storing used lubricating, hydraulic or heat
transfer oils, these shall constitute collection containers with nozzles allowing for the safe connec-
tion of a fixed pipeline or removable lines for use by qualified personnel (not for general use).
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Ordinance on Installations for Handling Substances Hazardous to Water (AwSV), 18 April 2017 (BGBl. I p. 905)
Z93472.21
40
Page 8 of 9 | 19 November 2021
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must be observed.
1.40.21-59/20
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