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General technical approval /
General design certification
No. Z-40.21-589
(8) Repeatedly filling the containers with different media is not permitted.
(9) Emptying shall take place by means of pumps and delivery nozzles. Care must be taken
to ensure sufficient ventilation and air extraction for the container.
(10) Do not stand/walk or apply loads on top of the containers or on the hinged lid of the con-
tainers. Snow loads must be removed.
4.2
Upkeep and maintenance
(1) Measures to rectify damage must be clarified in consultation with an expert in the field of
plastics
6
, with the assistance of the applicant where necessary.
(2) The use of solvents to clean the inside of containers (e.g. for the purpose of an inspec-
tion) is not permitted. Accident prevention regulations and provisions governing the use of
chemical cleaning agents and the disposal of any residues must be observed.
4.3
Inspections
4.3.1
Functional inspection/pre-commissioning inspection
(1) Once the containers have been installed and the corresponding pipelines and safety
equipment have been assembled, a functional inspection must be carried out. This consists
of a visual inspection, a leak test, an inspection of the filling, ventilation and extraction lines
and other such facilities.
(2) The functional inspection is not intended to replace the mandatory pre-commissioning
inspection, which must be carried out by an expert in accordance with water law; however,
it is possible to carry out both inspections at the same time.
4.3.2
Ongoing inspections and post-commissioning inspections
(1) The operator must perform a visual inspection at least once per week to ensure that the
container is not leaking. In the event that a leak is discovered, the unit must be taken out of
service immediately and the damaged container must be emptied if necessary.
(2) The operational inspection of the items of equipment to be used must be carried out in
accordance with their respective regulations.
(3) This shall be without prejudice to any inspections required by other legislation.
Holger Eggert
Head of Division
Z93472.21
Page 9 of 9 | 19 November 2021
Certified
Pötzsch
GB
1.40.21-59/20
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