ACP RiderPro Manuale del prodotto e dell'installazione - Pagina 5
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Design Considerations.
5.1 Length Of Need.
The Beginning of the LON is placed at:
ACP Sentry Barrier ThrieBeam System: at
•
the midspan between the 3
post from the RiderPro End Terminal.
5.2 Minimum installation Length:
The Minimum installation Length of the RiderPro is:
•
ACP Sentry Barrier ThrieBeam System:
20 meters (No 5 panels).
5.3
Site Grading
It is recommended that the area in advance of the
barrier be limited to a grading of 10H:1V and free
of undulations that may adversely affect the
trajectory of a dismounted rider.
5.4
Kerbs
Placing kerbs in front of the barrier is not
recommended. As an alternative subsurface grated
drainage should be considered.
5.5
Retrofitting
The RiderPro mounting bracket connection to the
post just below the thrie beam with a 12mm hole
placed in the post allows for appropriate vertical
alignment with of the MPR system with the w-
beam guardrail. This alignment reduces the
potential for rider snagging.
Attachment of RiderPro does not require any
dismantling or loosening of the existing guardrail
barrier and associated hardware. This reduces
installation time and avoids problems where debris
and/or vegetation can accumulate around the post.
Ref: IM 031 Rev 00
Date: 15/07/2021
Page 5/17
5.6
The end terminals of w-beam guardrail barriers are
designed to reduce the severity of a vehicle impact
near or at the end of the system.
These terminals may incorporate yielding posts,
th
and the 4
th
energy-absorbing impact heads or a combination of
both.
It is recommended that RiderPro not be installed
within the guardrail end terminal section.
5.77
The RiderPro can achieve a minimum horizontal
radius curvature of 25m onsite installed onto the
Sentry ThrieBeam system, when supplied with
standard straight RiderPro panels. For installation
curvatures of less than 25m radius, pre-curved
RiderPro panels need to be ordered prior to
installation. Contact your ACP representative for
further information once the installation radius is
identified.
Figure 2. ACP Sentry Barrier and RiderPro Sentry: Minimum
Horizontal Radius
5.8
A specifically designed end terminal is available for
attachment to the RiderPro.
It is a requirement that the RiderPro end terminal
is installed on both ends of the system.
Placement within Guardrail End
Terminals
Minimum Horizontal Radius
(Installation curvature radius)
End Termination
Property of
Margaritelli Ferroviaria S.p.A.
06135 Ponte San Giovanni - Italy