JHA example - CHC scenario

					                                                          JOB HAZARD ANALYSIS - CHC Example

Job Operation Install an Exhaust Fan on the roof          Department HVAC Technical Service                       Supervisor Harry Best, Operations Foreman
of a building
JHA Conducted By                                                     Date Conducted                    Reviewed By
Charles Peacock, HVAC Service Tech and                               September 2011                    Mary White, Human Resources Manager & Safety Coordinator
Edward Wood, Operations Assistant

          Sequence of Basic Job Steps                                      Potential Hazards                                    Safe Job Procedures

Access the roof to setup the proper tools and                Inadequate fall protection, potential for a fall       Determine the adequacy of the walking/working
equipment needed to install the exhaust fan. Look             from the roof. 100% fall protection at all times.       surface where the exhaust fan will be located.
closely for all fall exposures. Roofs may be                                                                          Use personal fall arrest equipment and life lines
accessed by roof hatch openings, extension ladders                                                                    when working within 6 feet of any uncovered
placed outside against the building, fixed ladders on                                                                 roof openings. Install fall protection warning
exterior walls, aerial boom lifts. 100% fall protection                                                               line system barrier no closer than 6 feet from
is required at all times.                                                                                             roof edges, and provide a safety monitor while
                                                                                                                      working in close proximity to established
                                                                                                                      warning line system barriers.

                                                             Asbestos roofing materials.                            Obtain evaluation or information on roofing
                                                                                                                      materials prior to any work.

                                                             Roof vents emitting chemical or flammable              Evaluate work place prior to any work.
                                                              vapors, etc.
Ensure that the Crane Contractor properly sets up            Severe weather, high wind, unexpected wind             Establish a severe weather plan that monitors
the crane to safely lift the exhaust fan to the roof          gust, overhead electrical power lines that could        the weather and establishes actions to take
location.                                                     cause a crane tipover, leading to potential             upon severe weather approaching.
                                                              significant injury to personnel.                       Review the Crane Inspection Documentation
                                                                                                                      and Crane Operator Training Records from the
                                                                                                                      Crane Contractor.
          Sequence of Basic Job Steps                                    Potential Hazards                                     Safe Job Procedures

Lift the exhaust fan to the roof with the crane and        Unsafe operation of crane can lead to potential         No one should ever be underneath suspended
position into proper location.                              personnel injury, property damage, or death              loads. Ensure proper crane lifting procedures
                                                            from being struck by the crane.                          are followed.

                                                           Personnel landing the fan on the roof could fall        Personnel cutting the roof hole or landing the
                                                            through the roof hole if proper fall protection is       fan on the roof must wear personal fall arrest
                                                            not worn.                                                system to prevent them from accidentally falling
                                                                                                                     through the roof hole.

                                                           Improper body posture can lead to back injury.          Proper employee lifting procedures – proper
                                                                                                                     body mechanics or the use of mechanical
                                                                                                                     assistance to reduce strain.

Install proper ductwork.                                   Improper use of sharp hand tools can lead to            Wear gloves and suitable eye protection when
                                                            injury.                                                  cutting joints apart.
                                                                                                                    Use caution with tools.
Conduct welding, brazing to install electrical copper      Fire hazard due to hot work, can lead to                Initiate proper hot work permit which includes
wires.                                                      potential fires and/or explosions.                       fire extinguisher and fire watch.
                                                                                                                    Evaluate all MSDS sheets for all materials
                                                                                                                     being heated. Is lead paint in the area?
                                                                                                                     Ensure respiratory protection is available if
Test the operation of the exhaust fan to ensure            Improper electrical safety practices can lead to        Conduct proper electrical safety practices,
effective operation.                                        employee electrical burn or other injury.                following Lockout/Tagout procedures, high
                                                                                                                     voltage work procedures, or energized circuit
                                                                                                                     work procedures. Wear appropriate PPE and
                                                                                                                     consider arc flash hazards.
Properly clean the work area when project is               Poor housekeeping can lead to slip, trip or fall.       Perform proper housekeeping practices.
complete.                                                   Materials could be blown off the roof! Poor             Discard materials in a safe way.
                                                            housekeeping could also cause roof leaks on
                                                            rubber membrane roofing layers.

Note: This is only an example JHA and may not be an exhaustive list of all hazards present during this particular task.

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