1.1
Safety
When working the appropriate accident prevention regulations (in Germany BGV C22) must be followed.
For safety reasons, especially when entering the tank, it is important that a second person is present.
Furthermore, when carrying out assembly and installation work, inspection, maintenance and repairs, all
work regulations and norms must be followed. You will find the advice in the appropriate sections of these
instructions.
The complete system must always be out of operation and guarded against unauthorized use when
carrying out work on the plant or parts of the system.
GARANTIA offers an extensive range of accessories that are all compatible with one another and may be
used to construct a complete system. The use of other manufacturers' accessories can impair the
function of the system and liability for any resulting damages will no longer be covered under the
guarantee.
1.2
Labelling/Tagging obligation
The water in these systems is not suitable for consumption or personal hygiene.
All pipe work and outlets of the water systems are to be labelled with the words "Not drinking water"
either in words or graphically (German norm DIN 1988 Part 2, paragraph 3.3.2.) so that after years of use,
an accidental connection to the drinking water system is prevented. Even when correctly labelled it may
possibly be mistaken, for example by children. For this reason, all the outlets of the systems process
water must be fitted with child safe valves.
Pedestrian weight resistant:
The GARANTIA underground rainwater tank Cristall with the polyethylene cover are to be
installed only in traffic free areas. The amount of short-term load of the polyethylene cover is max.
150 kg, the long-term area load max. 50 kg.
Light traffic load resistant:
The GARANTIA underground rainwater tank Cristall with the cast iron cover Class B 125 and
cement support ring are suitable installation in light traffic areas (max. axel load is 2.2 t). The
tanks are not to be installed in areas where heavy goods vehicles are driven.
The areas driven by light traffic must have a compacted earth covering of not less than 800 mm
and a maximum of 1000 mm.
Under no circumstances is the load caused by vehicles to be transferred to the tank.
General:
In the case of ground water or slope locations the special installation instructions must be
followed (see page 13).
For installation adjacent to areas traversed by heavy vehicles (see page 13).
The earth covering over the tank shoulder must not be more than 1000 mm.
info@graf.info
www.graf.info
1.
General notes
2.
Installation requirements
10 / 32