Tractel guard trac Manual De Instalación, De Utilización Y De Mantenimiento página 13

6.2. Installation surface
Before installing the guard trac™ or guard trac™
plus guardrail, the installer must ensure that the
installation surface of the flat roof meets the
following requirements:
•
Only one guard trac™ or guard trac™ plus
guardrail should be installed per 3 sq. m
of installation area.
•
The installation area must be greater than
3 sq. m.
•
The installation area must be secured
either mechanically or bonded.
•
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
EN 12317-2.
DANGER: the installer must check
before installation that the tilt of the
guard trac™ or guard trac™ plus
guardrail must not be more than 10° from the
horizontal (fig. 12). They must also check that
the roof sealant is bitumen, PVC or EPDM. If the
installation will be placed on another surface
material, please seek approval from Tractel first.
DANGER: When installing the guard
trac™ or guard trac™ plus guardrail
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 25 kg concrete counterweight generates a
pressure on the roof according to the table in
section 6.1. This
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 surface on which the guardrails are
installed should deform evenly under load.
pressure is generally
DANGER: The presence of a lack of
uniformity in deformation of the
thermal insulation could lead to a
malfunction of the guard trac™ or guard trac™
plus guardrail when an operator falls. This defect
could also lead to the deterioration of the roof
sealant when an operator falls.
7. Installation
7.1. Provisions prior to
installation
1. The guard trac™ or guard trac™ plus
guardrail must be installed by a trained
and competent person.
2. The installation and use of the guard
trac™ or guard trac™ plus guardrail must
be in compliance with the country's laws
and regulations.
3. The installer must have the preliminary
study file (Section 6).
7.2. Checks prior to installation
Before installation, check:
1. The absence of significant damage to
concrete counterweight and the presence
and legibility of all markings.
2. That the double and single brackets,
barriers, adjustable
latches, inter-barrier links, counterweight
interfaces do not exhibit significant
deformation and/or corrosion.
3. That the guard trac™ or guard trac™ plus
guardrail has been reviewed periodically
over the past 12 months.
DANGER: In the event of an anomaly
noted during these checks, the guard
trac™ or guard trac™ plus guardrail
must be put out of service to prevent any
accident. The damaged part(s) must be replaced
by parts supplied by Tractel
barriers, gates,
.
®
13
GB