Rockwell Automation Publication IASIMP-QS005H-EN-P - April 2016 21
Risk Assessment and System Design Chapter 1
Table 3 - Risk Assessment Worksheet - Panel Assembly Feed Conveyor
Steps
Potential Incidents or
Accidents
Prior to Safeguards
Current Safeguards
Recommendations
With Safeguards
Severity of Injury
Frequency (Exposure)
Avoidance
Risk Reduction
Category
(1)
(1) Risk Ratings of R1, R2A, R2B, R3, R4 correspond to the Safety Control Circuit Performance requirements of ANSI/RIA R15.06-1999. An R1 rating represents a control reliable circuit with continuous
checking for electrical and fluid power circuits. See the standard for a complete definition of performance requirements for the related risk ratings.
Severity of Injury
Frequency (Exposure)
Avoidance
Residual Risk<Footnote>(1)
Tasks in the general area of
the work cell where a
person may be tempted to
enter the hazardous area.
Mechanical impact: Pinch
or crush hazard due to
robot motion.
S2 F2 A2 R1 Safeguarding:
a. Use hard guards to prevent access to the
hazardous area.
b. Use a light curtain to prevent access to
guarded area, such as workers climbing
on the conveyor.
c. Install a properly-rated safety control
system.
S1 F1 A1 R4
Mechanical impact: Pinch
or crush hazard due to
conveyor power
transmission.
S2 F2 A1 R2A Hard-guarding:
a. Make sure that the power transmission
equipment and belts or pulleys are
properly guarded.
b. Install awareness signs to communicate
that equipment must not be operated
without guards.
c. Verify that the training covers what guards
are in place and that safety inspections
validate that guards are present.
S1 F1 A1 R4
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