ANSI B11.19

Performance Criteria for Safeguarding

ANSI B11.19 is one of the most comprehensive and important U.S. safety standards.

If you have questions regarding ANSI B11.19, contact us today for help.

The Basic Scope of ANSI B11.19

This standard has sections addressing:

Responsibility
- Supplier responsibilities
- User responsibilities
- Integrator / modifier / rebuilder responsibilities
- Personnel responsibilities
Risk assessment process
Risk reduction measures
- General requirements for risk reduction measures
Inherently safe by design
- General requirements for inherently safe design measures
- Prevention through design
- Safe-opening safeguarding method
- Safe-location safeguarding method
- Minimum gaps to avoid crushing of parts of the human body
- Maximum gaps to avoid exposure to hazards
Engineering controls – guards
- General requirements for guards
  - Guard design and construction
  - Guard visibility
  - Guard Location
  - Guard operation and maintenance
- Fixed guards
- Movable guards
- Interlocked Guards
- Adjustable guards
- Self-adjusting guards
- Partial guards
- Perimeter guards
- Nip guards
- Shields
Engineering controls – control functions
- General requirements for control functions
- Performance of safety functions
  - General requirements for safety functions
  - Safety interface (safety relay) modules
  - Considerations for safety-related application software (SRASW)
- Monitoring functions
  - General requirements for monitoring functions
  - Safe condition (stopping performance) monitoring systems
  - Speed monitoring function
- Stop functions
  - Normal stop function
  - Emergency stop function
  - Protective stop function
- Safety-related reset
  - General requirements for reset
  - Automatic reset
  - Manual reset
- Safety distance
- Suspension of safety functions
  - Manual suspension (bypassing)
  - Muting
- Variable sensing functions
  - Safety-related sensing field switching
  - Safety-related sensing field blanking
- Presence-Sensing Device Initiation (PSDI)
  - General requirements for PSDI
  - PSDI control logic
  - PSDI operation
  - User responsibilities for PSDI
- Perimeter risk reduction measures
- Whole body access
  - General requirements for whole body access
  - Control of hazardous energy
  - Prevent undetected presence of individuals within the safeguarded space
  - Manual reset
  - Location of safety-related manual control devices
  - Inhibit function
  - Interlock devices capable of internal opening
  - Initiation warning system
- Span of control
  - Layout analysis
  - Level of safety performance
  - Identification
Engineering controls – devices
- General requirements for devices
- Interlock devices
- Trapped (captive) key systems
  - General requirements for trapped key systems
  - Trapped key system design
  - Trapped key system installation
  - Trapped key system operation
- Interlock blocking devices

Movable barrier devices
- General requirements for movable barrier devices
- Type A movable barrier devices
- Type B movable barrier device
Pull back (pull out) and hold out (restraint) devices
- General requirements for pull back and hold out (restraint) devices
- Pull back and hold out (restraint) device operation
Presence-sensing devices
- General requirements for presence-sensing devices
- Light curtains and single/multiple beam devices
- Area scanning devices
- Close proximity point of operation AOPDs
- Vision-based protective devices
- Safety mat devices
- Safety edge / bumper devices
- Probe detection devices
- Radio frequency devices
Two-hand actuating controls
- General requirements for two-hand actuating controls
- Two-hand control devices
- Two-hand trip devices
- Two-hand operating levers
Single actuating controls
- General requirements for single actuating controls
- Single control devices
- Single trip devices
Hold-to-run control devices
Enabling devices
Emergency stop (E-stop) devices
- General requirements for E-stop devices
- Pushbutton-type E-stop devices
- Rope or cable pull-type E-stop devices
- Foot-operated E-stop devices
- Rod-operated E-stop devices
- Push-bar-operated E-stop devices
Slide locks

Administrative controls

General requirements for administrative controls
Awareness means
- General requirements for awareness means
- Awareness barriers
- Awareness signals
- Awareness (safety) signs
- Awareness (safety) markings
Information for use (human and organizational)
- Instruction manual (handbook)
- Safe work procedures
- Training
- Inspection and maintenance
Administrative safeguarding methods
- Safe-distance safeguarding method
- Safe-holding safeguarding method
- Other safeguarding methods
Supervision
- Supervision of the workplace
- Avoidance of unauthorized changes
- Management of change
Control of hazardous energy
- Lockout/Tagout
- Alternative methods
- Restraint mechanisms
Tools
- Work-holding equipment
- Hand tools
Personal Protective Equipment (PPE)

If you have questions regarding ANSI B11.19, contact us today for help.