Graf 300 Istruzioni per l’uso
Contents:
1. General notes Page 6
1.1 Safety
2. Technical data Page 6
3. Installation requirements Page 7
3.1 Choice of location:
3.2 Excavation dimensions:
4. Installation Page 8
4.1 Connecting the inlet and
venting pipes
4.2 Installation of the drainage blocks
The points described in these
instructions must be followed
correctly. If not correctly
observed, any right to claim
on the guarantee may be
refused. For all additional
GARANTIA articles
purchased there are separate
installation instructions
enclosed in the
transportation packing.
Any missing instructions
must be requested directly
from us.
A complete check of the tank
for possible damage must be
carried out before the
installation in the excavation
begins.
The installation must be
carried out by a professional
firm.
Graf drainage block 300 lorry
Order Nr: 360014
Graf drainage block 300 lorry
inspect
Order Nr: 360015
Graf drainage block 300 car
Order Nr: 360016
Graf drainage block 300 car
inspect
Order Nr: 360017
Accessories:
Connection elements (10 pieces)
Order Nr: 369012
Geo-textile 200 (Per m., roll wid. 5m)
Order Nr: 369014
Installation instructions and maintenance for the
GRAF drainage block 300
Deutsch
En
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Page 5 of 8
420
6001200
DN 100
DN 150 DN 100
DN 150
1.1 Safety
When working, the appropriate accident prevention regulations must be followed.
Furthermore, when carrying out assembly and installation work, inspection, maintenance and repairs,
all work regulations and norms must be followed.
The GRAF company 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.
Volume Gross 300 Litre Net 285 Litre
Length 1200 mm
Width 600 mm
Height 420 mm
Connections 12 x DN 150 + 6 x D 125 + 6 x DN 100
Weight Rain Bloc car: 15,5 kg
Rain Bloc car inspect: 16,5 kg
Rain Bloc lorry: 17,5 kg
Rain Bloc lorry inspect: 18,5 kg
Material Drainage block for HGV: 100 % Polypropylene (PP)
Drainage block for light traffic: 100 % Polypropylene (PP)
Recycling materials
2. Technical data
1. General notes
Page 6 of 8
3. Installation requirements
3.1 Choice of location:
xDistance from basement > 6 m
xDistance from ground water minimum > 1 m
xThe distance from the existing or planned trees must be at least the expected spread of the
trees crown.
3.2 Excavation dimensions
The measurements of the excavation is in accordance with the number of drainage blocks to be
installed by multiplying the length and width dimensions.
The following table gives the required earth covering and the maximum installation depth to the lower
edge of the blind drain;
Transportation loads Rain Bloc car and car
inspect Rain Bloc lorry and lorry
inspect
Short duration Max. 7,5 t/m² Max. 10,0 t/m²
Long duration Max. 3,5 t/m² Max. 5,0 t/m²
max. Earth covering* 2000 mm 2750 mm
max. Installation depth* 3500 mm 5000 mm
Light traffic(and
without traffic
loads) max. Number of layers 7 layers 10 layers
min. Earth covering 250 mm 250 mm
max. Earth covering* - 2750 mm
max. Installation depth* - 5000 mmHGV 12 max. Number of layers - 10 layers
min. Earth covering - 500 mm
max. Earth covering* - 2500 mm
max. Installation depth* - 5000 mmSLW 30 max. Number of layers - 10 layers
min. Earth covering - 500 mm
max. Earth covering* - 2250 mm
max. Installation depth* - 5000 mmSLW 40 max. Number of layers - 10 layers
min. Earth covering - 500 mm
max. Earth covering* - 2000 mm
max. Installation depth* - 5000 mmSLW 60 max. Number of layers - 10 layers
min. Earth covering - 500 mm
The maximum installation depth or earth covering* is related to the ground substance with an inside angle of
friction from ˻= 50,0°
Deutsch
En
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Page 7 of 8
4.1 Connecting the inlet and venting pipes
To connect the inlet and venting piping there are prepared positions for the openings to be cut out of
the plastic ribbing. The pipes must extend at least 20 cm into the module. Should an installation over a
wider area be proposed, then there must also be an appropriately greater number of inlet pipes to
ensure an even distribution of the water.
4.2 Installation of the drainage blocks
The geo-textile must be laid out in the excavation that has an even bottom surface with an overlap of
not less than 30-50 cm. The modules are then positioned on the geo-textile (only laying down, never in
the standing position) and all fastened together with the fastening pieces. For fastening lengthwise as
well as widthwise, at least two fastening pins are required in each direction. When the system is to be
built in several levels, then the individual layers must be arranged both lengthwise and crosswise
(widthwise) to one another to ensure a stable interconnection. Before filling, the module must be
completely wrapped in the Geo-textile and special attention must be paid to ensure that all the ends
and edges of each fleece roll overlap by at least 30-50 cm. To conclude the installation, the excavation
is evenly backfilled and compacted. The terrain of the ground surface and substructure should be the
expected load to be prepared. If it is intended that grass should be sown over the GRAF drainage
blocks, then a heavy duty plastic sheeting should first be laid over the drainage blocks and this then
covered by an approximately 10 cm thick layer of clay otherwise the grass will dry out too quickly.
Otto Graf GmbH
Carl-Zeiss-Straße 2-6
D - 79331 Teningen
Tel: 0049/(0)7641/589-0
Fax: 0049/(0)7641/589-50
www.graf.info
Stand: 12/2010
Graf Distribution SARL
45, Route d´Ernolsheim
F - 67120 Dachstein-Gare
Tel: 0033/388497310
Fax: 0033/388493280
www.graf.info
Version : 12/2010
Graf IBERICA Tecnología del Plástico S.L.
Sant Miquel 37 (Ver Situación)
ES – 17003 Girona
Tel: 0034/972913767
Fax: 0034/972913766
www.graf.info
info@grafiberica.com
Versión: 12/2010
4. Installation
Page 8 of 8
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