BVT-Merkblatt zu Abwasser- und Abgasbehandlung

Annexes
The observation pipes (measuring wells) are to be made of a material that cannot be affected by
the stored liquids.
The whole length of the piping is to be provided as filter piping; it is to have an internal diameter
of at least 5 cm, reach a minimum of 1 m deeper than the lowest level of the phreatic
groundwater table and be sealed above.
Unless specified otherwise in the environmental licence, at least three observation pipes must
be installed.
The plans for the work and the drilling reports are to be available for inspection by the supervisory
official.
§ 2. The operator will regularly check the groundwater in the measuring wells for the presence
of pollution.
For tank farms, at least every 2 years a groundwater investigation must take place, either by the
operator, with equipment and according to a method approved by an environmental expert accredited
in the discipline groundwater, or by the aforementioned environmental expert himself.
Art. 5.17.3.13
§ 1. Minimum extinguishing and cooling provisions
A tank farm for the storage of P1 and/or P2 products must be provided with an effective, permanent
foam installation and/or an extinguishing or cooling installation suitable to the circumstances,
and this after consultation with the authorised fire service.
The establishment must dispose of a quantity of water to be able to spray and/or cool the containers
for a sufficient period. With the failure of the normal electricity supply, the working of
the extinguishing or cooling installations must be assured by emergency power units or equivalent
emergency installations.
§ 2. Establishments with containers for the storage of P1 products classified in category 1
which are not manned or only manned during ordinary working hours must, after consultation
with the authorised fire brigade, be equipped with an effective smoke, gas or flame detection
system which gives an alarm at a manned monitoring department.
§ 3. For the storage of P1 and/or P2 products in tank farms, the firefighting resources must be
examined when bringing into use by an expert accredited for the discipline external safety and
risks for serious accidents or by an authorised expert, unless this inspection is wholly or partly
conducted by the authorised fire brigade, by the Head of Prevention and Protection or by his
appointed party after consultation with the authorised fire brigade.
Art. 5.17.3.14
The accessibility of the tank farm must be conceived in such a way that:
1. traffic in the zones where a reasonable danger of fire and explosion exists must be kept to a
minimum
2. the tank farm must have easy access
3. easy access for the intervention material
4. vehicles with which products are taken away or delivered must, during loading or unloading,
to the extent technically possible be located at a loading/unloading place with larger dimensions
than an ordinary road lane.
394 Waste Water and Waste Gas Treatment