Page 2 - Zero is Possible - Volume 3
P. 2
All sites
World Class EI
Fail-safe barriers: COLOMBIA
Your last line of defense Ready-mix
Opportunity Results
Implementing redundant • Guards can only
controls in machine be removed if the
guarding. equipment is fully
turned off
Solution • It serves as a backup
An electromagnetic ensuring that hazardous
device that unlocks the energy is fully controlled
guard only when power • Already installed across
is off and the machine is seven ready-mix sites,
fully stopped. enhancing safety for Martin Costanian
CEO
It monitors both energy workers operating near
isolation and zero motion. critical equipment
Both conditions must be
satisfied before the guard
can be removed.
Exceeds ISO 13849-1
safety performance level
d (PLd).
Cost: 22 kCHF Maria T. Uribe
Head of H&S
Timeline: 1 month
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