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5.1.2. Spike Impact Direction
The
CLAWS
Spikes are designed to take a much larger or more frequent impact in one
direction. The spikes can be installed to face either towards oncoming tra
ffi
c (similar) or
face towards tra
ffi
c (opposing) trying to enter from the wrong direction or lane.
There are four types of typical installations. Refer to Section 5, Figures 2 and 3 to
determine if the installation is left- or right-hand orientated.
Secondly; pay attention to the spike impact direction:
• Similar direction of travel
prevents vehicles from exiting whilst the boom pole is
still down (Normal direction of tra
ffi
c)
• Opposing direction of travel
prevents vehicles entering against the
fl
ow of tra
ffi
c
whilst the boom pole is down
FIGURE 6. RHS SIMILAR DIRECTION OF TRAVEL
FIGURE 4. SPIKE IMPACT DIRECTION - SIMILAR
FIGURE 5. SPIKE IMPACT DIRECTION - OPPOSING
Direction of travel
Direction of travel
Direction of
normal tra
ffi
c
fl
ow
INTRODUCTION
SECTION 5
Summary of Contents for CLAWS
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