osha test 3
what percent of serious accidents resulted from the failure to control hazardous energy
10%
what is the normal amount of oxygen in the atmosphere
20.9%
workers injured on the job from exposure to hazardous energy lose an average of how many work days for recuperation?
24
which OSHA regulation regulates the control of hazardous energy
29 CFR 1910. 147
who faces the greatest risk of injury from lockout tagout
3 million workers, craft, electrician, machine operator, labor
how much percent of eye injuries can be prevented with proper protective eyewear
90%
who determines if a space is a permit space
a competent person
a space of the limited or restricted means of exit if
a person cannot read Wii escape from the space
nitrile gloves
a synthetic rubber material that offers chemical that abrasion resistance and is a very good general duty material for gloves. Protection from oil, grease, petroleum
what should you use when I lock cannot be used
a tag out program
attendant
a worker stationed outside one or more permanent basis who monitors conditions within the space
confined space entry permit
all space is until proven otherwise, employers required to PreCheck permit required confined space must have completed training, written copy of operating and rescue procedure is required, I can find space into apartment must be completed before approval can be given to enter a permit required confined space
alternative entry
allow entry into a permit required space without written permit program
what is a NSI Z87. 1 dash 2005
an update which is demonstrated to be at least as effective as the earlier standards
when should I expect chickens of the energy control procedures be performed
annually by an authorized employee. The inspections must review lockout and tagout procedures and correctly identify any deficiencies
how does OSHA Define oxygen deficient
any atmosphere that contains less than 19.5% oxygen
electrical hazards, safety toe shoes
are and will prevent the Warriors feet from completing an electrical circuit to the ground
PPE responsibilities employees should?
attend training, properly wear care and clean PPE, and former supervisor of the need to repair or replace PPE
what types of the employees are covered by the lockout tagout standard
authorized, affected, and other
why do eye injuries occur
because employees are not wearing eye protection
competent person
capable of identifying existing and predictable hazards and who has the authority to take prompt corrective measures to eliminate them
what is a laser
concentrates light end provides potential for causing injury to humans eyes and
Class C
conductive, hard hats are designed for Comfort, lightweight but are not intended to provide protection against electrical conductors
part 10
confined space
a confined space is not designed for what
continuous employee occupancy
duties of Entry employers
decides which employees enter the space, protect workers against hazards, inform controlling contractor of the program to be followed and Hazards encountered in permit spaces
lockout hasp
designed to hold many padlocks, provides additional protection for the entire service team. Keys for the block should remain with amuse only by the employees working on the job
outside rescue
determine how quickly they can be responding, requires entrance to use a scuba and requires a standby person who is capable of entering the space for a short.
Arc welding machine
direct DC or AC current creates Arc between electrode and Metal to melt metal and join metal upon Cooling
Fabric and coded fabric gloves
do not provide sufficient protection for use with rough sharper heavy materials
atmospheric monitoring
done before employee enters, test equipment must have audio or visual arms and be calibrated, equipment must be capable of detecting atmospheric limits,
lockout tagout equipment must be
durable insubstantial to the environment, must be standardized by color shape size print and format, locks and tax should be identifiable of employees using them, must also warn against hazardous messages
examples of potential eye or face injury
dust dirt, chemical Splash, swinging objects, radiant energy,
if a confined space is less than 5 ft in height but has a potentially hazardous atmosphere what must the interrent do
each and Trent will wear a body harness attached to a Lifeline that is monitored by the attendant, who may perform a non into Rescue by pulling me into out by the lifeline
when the lock is used, what has to happen
each employee in the work crew must attach his or her personal lock
hierarchy of controls
elimination, substitution, engineering, administrative, PBE
how to apply lockout tagout
employee and supervisor should agree on equipment being taken out of operation and type of energy which needs to be controlled. all employees affected by lockout tagout are to be notified period machine or equipment must be shut down in the normal fashion
examples of machine maintenance requiring lock out tag out
employee must remove machine guards or safety devices, employee is exposed to point of operation, employees required to place body part in contact with point of operation, employers required to place any part of his or her body into an area on the machine where it could be caught
what was the tag out program provide
employees with the level of safety equal to that obtained by using a lockout program
photokeratitis
exposure to UV light, like a sunburn of the cornea, noticed an hours, like sand in the eyes
permit required confined space
find space contains an actual or potential Hazard that can cause death injury or illness
hazards to consider in confined spaces
fire, energy, temperature, radiation, noise, corrosion, biological hazards
when testing for atmospheric hazards what should you do
first test for oxygen second test for combustible gases and Vapors 3rd test for toxic gases and Vapors
tow chords
fit over the toes of regular shoes to protect the toes from Impact compression
protective equipment for hands and arms
gloves, finger guards, I'm coverings, elbow-length gloves
class G hard hat
hard hats are designed for electric exposure up to 2,200 volts. Formula Class A. Most common
type 2
hard hats are intended to reduce the force of lateral impacts resulting from a blow which may be received off center. Lined on the inside with a thick high density foam
Class 2 and 3 a relatively safe while 3B and 4 can what
harm skin and eyes instantly
how should employers of employees and other job categories decide whether there is a need for eye and face PPE?
hazard assessment
aramid fiber gloves protect against what
heat and cold,
common gases in confined space fatalities
hydrogen sulfide, from decaying matter, carbon monoxide from internal combustion
what are the duties of employers under the confined spaces standard
identify all confined spaces in which their workers may work and determine whether any are Perma spaces
when should a hard hat be removed from service
if perforated, cracked, deformed, chemical radiation,
what should walk through survey identify the sources of?
impact, penetration, compression, chemical exposure, temperature extremes, dust flying to Breese, fall, radioactive materials, noise, electrical, in fact of biological
safety spectacle
impact-resistant lenses, side shields are available on some models
flammable range for gas or vapor
in between the lower explosive limit and the upper explosive limit
what is a lockout device and when should it be used?
it should be used if your lock cannot be placed directly on the energy control. A lockout device physically keeps the machine from being turned on.
why does OSHA recommend welders start with a filter lens shade too dark?
it's safer to go from a darker site and make it lighter the back is messed up literally next to the trash can but on the floor did you pick it up or you want me to
two types of energy
kinetic and potential
examples of leg protection
leggings, metatarsal chords, toe chords, Safety Shoes
authorized employees who service equipment should do what first
locate and identify all energy isolation devices
which is better tag out or lockout
lockout
whenever any part of the body is exposed to kinetic or potential energy while servicing or maintaining equipment what must be followed
lockout tagout procedures
part 11
lockout tagout who was amongst the greatest risk of energy from unexpected startups or releases of stored energy from machine maintenance
a tag alone may be used of two situations exist
locks cannot be used in the employer can demonstrate the tag out system will provide full employee protection
a bump hat is not ANS I approved in only used for what
low clearance areas with a chance of a head bump
established procedures for release of the lockout tagout that include what
machine inspection, notification safe positioning of workers and removal of a lockout tagout device
welding Shields
made of vulcanized fiber or fiberglass and fitted with a filter lens protect eyes from Burns by infrared or intense radiant light, Sparks, metal splatter
steps must be taken to guard against energy left in the equipment after it's been isolated from its energy sources. What could that mean?
make sure all parts of stuff moving common tensioning Springs have been released, piping systems have been drained, valves have been closed in the lines have been blocked
if a worker is not an entry employer meaning they employed workers to work in permit confined spaces, what must they do
make sure their employees stay out of any permits bases present on the site
what should a hard hat have on the inside of it
manufacturer, ANS I designation in class
what was the hard hat have
must have a hard outer shell and a shock absorbing whining and me American National standards Institute z89. 1-1 1996
why are confined spaces dangerous
poorly ventilated, insufficient oxygen, toxic gas, insufficient distance requirements from hazards, fumes, flammable liquid,
the permit system
prior to entrance person must fill out permit completely and supervisor must sign it. Complete parent must be posted entry point to the confined space so entrance can review it. Permit is only valid for the duration of work performed. Entry supervisor must terminate the permit when work is complete. Permit will be retained for a period of one year.
synthetic gloves protect against what
production is heat and cold antacids
the attendant mustache that's conditions inside and outside the space and Order evacuation of the permit space when?
prohibited condition exists, worker shows behavioral effects of Hazard exposure, a situation exists outside the confined space that could endanger entrance, I didn't count effectively and safely perform job
laser safety goggles
protect against intense concentrations of light produced by lasers
if the workplace contains a permit space the entry employer must do what
protect employees against the war Place hazards
yeah metatarsal chords
protect the InStep area from Impact and compression
what sort of protection should you wear in case of electric arc welding in case of electric arc welding
protective clothing, heavy leather gloves, protective long sleeve jacket,.
entry supervisor
qualified person responsible for overseeing entry operations
what must authorized employees be trained in for lockout tagout
recognition of all applicable hazardous energy sources, details about type and size of hazardous energy sources, methods necessary for controlling and isolating energy source
type 1 hard hats
reduce the force of impact resulting from a blow only to the top of the head
what must the attendant do
remain outside the permit space, performed on Entry rescues, no existing and potential hazards, maintain communication
how can an employer share full employee protection by tag out
removing and isolating a circuit, removing a fuse, blocking a control switch, opening an extra disconnecting device, or removing a valve handle
when does lockout tagout need to be performed
replacing electrical circuits, cleaning your oiling Machinery, cleaning jammed mechanisms
what must a hard hat do
resist penetration, absorb shock, be water resistant, slow-burning, clear instructions for adjustment in use
how do you start a hazard assessment?
review the history of injuries and illnesses and identify if ppes could work
most common types of eye protection in the workplace
safety spectacles, goggles, welding Shield, laser safety goggles, face Shields
when can a permit required confined space. b r e classified as a non permit required confined space
space has no potential hazardous atmospheres, all hazards in the space are eliminated, verified by certificate,
full employee protection
strict set of procedures employer must follow to ensure employees are provided the same level of safety with taga as using lockout procedures
neoprene gloves
synthetic rubber material that provides excellent tensile strength and heat resistance, moderate abrasion resistance
butyl gloves
synthetic rubber, highest resistance to permeation, used with Esters and ketones
what must authorized entrants do?
test for atmospheric hazards
authorized employees working on a lockout tagout machine must be assured of what
that the equipment has been D energized by identifying the main disconnect switch or circuit breaker and ensuring that it can't be turned on or be energized by pushing any button or operating any valve
what must safety Footwear meet at a minimum
the ANS I minimum compression and impact performance standards in a n s i z 41 - 191
what do electrically conductive shoes protect against
the buildup of static electricity
OSHA 29 code of federal regulations 1910. 132 D1
the employer shall assess the workplace to determine if hazards are present or likely to be present which necessitate the use of personal protective equipment
controlling contractor
the employer with overall responsibility at the worksite
when can procedures allow entry into a permit required space without a written permit program
the hazards in Perma spacer atmospheric, hazards can be controlled by ventilation, atmosphere can be tested from outside,
I am face protection selected for employee use must clearly identify what?
the manufacturer
upper explosive limit
the maximum concentration of a gas or vapor that will burn in the air
lower explosive limit
the minimum concentration of gas or vapor necessary to support it's combustion in the air
a person not being able to readily escape from this space is indicated by
the need to use a ladder, door that is difficult to open, obstructions, traveling a long distance
engulfment
the surrounding and effective capture of a person buy liquid or finely divided solid substances
how should both locks and tags be applied
they should cover the device in a way that will hold the device in a safe or off position
goggles (n)
tight fitting and completely cover the eyes, provide protection from Impact dust and splash.
Class E
to reduce exposure to 20000 volts. Formula Class B. Stand for electrical
what is the most important thing in a lockout tagout procedures
training
face shield
transparent sheets of plastic from the eyebrows to below the chin and across the entire width of the face Maybe polarized for glare protection
how should you remove heavier than air contaminants from a confined space that has two openings at the top of it
use an exhaust fan and duct work to capture the low flame contaminants. Place a blower at the O pen to provide fresh air space
OSHA requires employers to establish a lockout tagout program that will?
use energy control procedures, employee training and periodic inspection to ensure the machines or processes cannot be started while in employees repairing, servicing or maintaining it
how to prevent short-circuiting
use powerful blower to blow clean air into the entire space for a long ducting to reach the bottom of the space
examples of confined spaces
utility spaces, industry or business spaces, home or Farm spaces,
a space is not designed for continuous employee occupancy is fit is not designed within features such as
ventilation lighting and room to work
what must an authorized in Trent do
wear a body harness attached to a mechanical retrieval system, such as a tripod, if the confined space has a height of 5 feet or more with an entry point overhead
types of protective gloves
weather, aluminized, aramid fiber, synthetic
tag out
when a piece of Machinery is turned off and a tag with a written warning is attached to the disconnect switch
when should we training of employees and lockout tagout be happening
when there's a change in job assignment, equipment, processes, energy control procedures
infrared light
wherever there are sources of heat . leads to cataracts
aluminized gloves protect against
will provide reflective and insulating protection against heat and acquired insert made of synthetic material to protect against heat and cold
authorized entrant
worker authorized by the entry supervisor to enter a permit space
can an employer choose to provide one pair of protective eyewear for each position rather than individual eyewear for each employee?
yes and if so each station must be sanitized
what should a new IM face protective device comply with?
ANS I Z87. 1 - 1 1989
what occupations should wear eye protection
Carpenter, electrician, machinist, mechanic, Millwright, plumber, pipefitter, sheet metal employee, assembler, sander
four main classes of lasers
Class 2, class 3r, class 3B, class 4
what are the steps of a hazard assessment?
1 review history of injuries or illnesses. To review all safety data sheets to identify chemicals 3 review equipment owner and operators manuals to determine manufacturer recommended PPE. 4 review the facility layout identifying likely areas with need for PE PE five review the facility layout. 6 performer walk walk through survey
steps to releasing machine from lockout tagout
1 all tools have been removed and system is completely assembled. To as each employee completes his or her repairs they should each remove their own lock and door tag. 3 when all employees are clear the hazards all employees who work in the area are notified. 4 supervisor is notified that equipment is ready to be used
what does leather protect against
Sparks moderate heat, blows, and rough objects
Everyday Use the prescription corrective lenses will not provide adequate protection against most occupational I am face Hazard so what should employees do?
must make sure employees with corrective lenses either wear eye protection that incorporates the prescription into their design or where ditional a protection over there prescription lenses
workplace exposure to static electricity May what
necessitate the use of conductive Footwear
an authorized entrance must
no space hazards, properly use appropriate personal protective equipment, communicate, exit if hazard
what must the entry supervisor do
no space hazards, verify that specified entry conditions are satisfied, Termini entry and cancel or suspend permits, verify that rescue services are available, take appropriate measures to remove an authorized Insurance, entry operations remain consistent with the entry permit
what are the three categories of permit spaces
non permit space only physical hazards, spaces with only atmospheric hazards that can be controlled by event use alternate entry procedures instead of full permit,
what should the employers do after the training has been accomplished for a lockout tagout
offer a certification the certification should contain the employee's name and date of training
what are the four requirements of being a permit required confined space
one contains potential of hazardous atmosphere, contains material with potential for engulfing and Trent, has internal configuration that could trap Works fixie 8 and in Trent, contains any recognized serious safety hazards
employees must take certain precautions whenever workers enter a permit space
one specifying the precautions to be taken to protect the workers in the workplace. 2 training workers. 3 planning how to rescue Injured Workers
limitations of tags
only warning devices, only provide false sense of security, easier to bypass than a lock, not effective unless they are legible, tags can fall off
greater wattage needs greater what
optical density
host employer
owns or manages the property where the work is taking place. Shares information it has about permit space hazards with the controlling contractor
what makes a permit confined space a permit confined space?
oxygen deficiency, excess oxygen, concentration of flammable gas, Airborne combustible dust, atmospheric concentration of any substance that can cause death
what are the important atmospheric limits
oxygen, flammability, toxicity
some things can weaken the shell and eliminate electrical resistance of hard hats
paints and paint thinners, cleaning agents, drilled holes, labels, store in direct sunlight
some responsibilities of workplace employers
perform hazard assessment, identify and provide PPE, train employees, maintain PPE, periodically review and update the effectiveness of the PPE program
what should employees be trained for in confined spaces by employers
perform rescue duties, basic first aid and cardiopulmonary resuscitation train employees with personal protective equipment, ensure employees practice making permit space rescues at least every 12 months
how do hazards exist in the workplace
physical chemical, noise, radiation, electricity, microorganisms, heat, cold
lockout
physically prevents the release or transfer ofenergy
