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Installation Surface; Thermal Insulation - Tractel mobifor Installations-, Gebrauchs- Und Wartungsanleitung

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  • DEUTSCH, seite 25
• Shock absorber (fig. 1, rep. 4)
W (Kg)
L1 (mm)
0.8
193
Material: Stainless steel.
Maximum trip effort: 6 kN.
6. Preliminary studies
6.1. Installation structure
The terrace roof on which the mobifor™ anchor point
is installed must be resistant to support the additional
weight due to the anchor point, i.e. a load of 100 kg
/m² on a circumscribed area of 6,4m ² (see section
5.1) . In case of doubt about the resistance of the roof
terrace, a preliminary study by a competent specialised
technician, particularly in terms of resistance of
materials, is essential before the installation of the
mobifor™ anchor point (s). This study should be based
on a calculation and take into account the applicable
regulations, standards and standard good practices
applicable as well as this manual, both for the anchor
point and the PPE that must be connected to it. This
manual should therefore be given to the technician or
research unit in charge of the preliminary study.
NOTE:
Tractel
®
mobifor™ anchorage point in line with a load bearing
structure supporting the terrace roof.

6.2. Installation surface

Before installing the mobifor™ anchor point, the
installer must ensure that the installation surface of the
terrace roof meets the following requirements:
– Only one mobifor™ anchor point should be installed
per 20 sq. m of installation area.
– The installation area must be greater than 20 sq m.
– The installation area must be secured either by
ballast, mechanically or bonded.
• If the installation area is secured by a ballast, the
weight of ballast must be at least 65 kg per m².
• If the installation surface is mechanically fixed, the
number of attachment points must be at least 4 per
m².
• If the installation surface is bonded, bonding must
be done in accordance with
ISO 6707.
DANGER: The installer must check before
installation that the slope of the installation surface is 5°
or less (Fig. 4). They must also check that the
waterproof coating is bitumen, PVC or EPDM.
Installation on another surface must imperatively be
approved by Tractel
.
®
L2 (mm)
H (mm)
162
60
recommends
placing
the
EN 12317-2 and
D0 (mm)
15
DANGER: When installing the mobifor™ anchor
point on the terrace, the installer must ensure that the
distance between the circumscribed surface of the
dead weight anchor point (Fig. 2) and the edge of the
terrace is 2.5 m or more (Fig. 4).
For the calculation of the air draft H, the maximum
displacement of the anchor point (Fig. 4) of 1 m must
be taken into account in all possible fall scenarios.
DANGER: When installing the mobifor™ anchor
point on the terrace, the installer must ensure that the
installation surface does not pose a risk of water
accumulation in the event of rain.

6.3. Thermal insulation

The concrete blocks generate a pressure on the roof of
around 12 kPa. This pressure is generally acceptable
compared to the compressive strength values reported
by the thermal insulation manufacturer for a 2%
deformation over time.
However, before installation, the installer must ensure
that:
• The value of compressive strength indicated by the
manufacturer of the thermal insulation for 2% long-
term deformation is at least 20 kPa.
• The installation surface of the anchor point
presents even deformation under load.
NOTE: Tractel
recommends that the mobifor™
®
anchor installer checks this evenness of deformation by
applying their own weight on 1 foot to the surface
covered by the 24 concrete blocks. They will also
ensure the evenness of deformation on a surface Sg
(Fig. 2) of 1 metre around the circumscribed surface of
the anchor point in all possible operator fall directions.
DANGER: The presence of a lack of evenness in
deformation of the thermal insulation could lead to a
malfunction of the mobifor™ anchor point when an
operator falls. This defect could also lead to the
deterioration of the waterproofing coating when an
operator falls.
GB
9

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