General Laying-Hints - probst HVZ-ECO Instructions D'emploi

Operation
7.4

General laying-hints:

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To optimize the high degree of mechanization in the mechanical paver laying it is necessary t optimize the
boundary conditions. Because the laying process consists in majority of transportation and the process of
paving is the smaller part it is evident to optimize the transportation on the building ground.
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According to the paving configuration it could be necessary, to lay additional paving stones for the
connection with the already laid paving stones or to change the location of paving stones.
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Place the paving packages near to the laying edge to avoid transportation and to have short driving
distances and a good laying performance. Provide enough space for the manoeuvrability of the excavator.
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It is the best to have a "just in time" delivery of the paving packages, so you can place the packages as near
to the laying edge as possible.
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The distance of the packages on all sides must big enough to set the installation clamp on it.
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Calculate the distance of the paving stone packages from the laying area and the square meter of the
packages, especially on narrow laying areas, e.g roads.
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Place the packages on a plane surface and take care that they are not twisted.
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Align the packages according to the optimum driving direction of the excavator.
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Some laying packages are asymmetric, take notice of a constant direction.
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Some laying sequences, e.g. herring-bone, have cascades positions of the paving layers. Contact your
paving stone supplier for laying information and do not waste time with experiments.
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If there is a separation between an old manual laying to the laying with the installation clamp it is the best
to make a new start, because the joints are different.
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Check the orthogonality, the joint direction, the structural module. Adjustments at a later date could be
impossible or are very time expensive.
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Avoid cutting and manual work by choosing a working width with a multiple width of the layer.
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Mix the paving layers from different packages in the laying sequence.
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Check the joint of course before compacting and filling with sand. Never compact nearer than approx. 30
meters to the open laying area.
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Packaging material, e.g. pallets must be stacked immediately and the stack should be moved outside the
working area.
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Provide a transportable container for waste such as plastic sheet and straps.
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Cut the tightening straps on both sides, almost at the bottom of the package, to avoid accidental clipping
of the straps using the laying installation clamp. If this happens the running bond is moved and must be
corrected manually.
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Provide a transportable tipping container for damaged paving stones and stone waste, to avoid an
expensive pick up later on and hindrance in the movement of the excavator.
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A clean and tidy building ground saves time and money.
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If there are problems with the laying technique, there should be a direct phone contact between the
personal (driver of the excavator) and the manufacturer of the excavator. So the consultant of the
manufacturer is provided with all the information he needs to diagnose and help.
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