Confined Space Training.ppt

1、Confined SpaceSafety Training PresentationsPermit-Required Confined Spaces29 CFR 1910.146Why Comply?n Confined space entry is a leading cause of occupational fatalities in this countryDefinition of a Confined Spacen Limited means of egressn Can be bodily enteredn Not designed for continuous occupanc

2、yDefinition of Permit-RequiredConfined Spacesn Contains or has potential to contain a hazardous atmospheren Contains the potential for engulfmentn Internal configuration that can trap or asphyxiate entrantn Any other serious safety or health hazardsTypical Permit-Required Spacesn Chemical StorageTan

3、ks and Vesselsn Pitsn Waste WaterLift Sumpsn UndergroundSewage Tunnelsn Industrial Steam BoilersTypical Non-Permit-Required Spacesn Utility closetsn Below-grade trenchesn Storage vaultsn Utility subbasementsPotential Confined Space Hazardsn Engulfmentn Oxygen deficiency(19.5%or less)n Oxygen enrichm

4、ent(23.5%or higher)n Flammable gases or vaporsn Combustible dustsn Toxic substancesn IDLH atmospheresAtmospheric Testingn Hazards must be tested in this order:Oxygen content Combustibility/flammability Toxic atmospheresn Entrants must be allowed to observe monitoringReasons for Space Ventilationn Ma

5、intain oxygen levels above 19.5%n Maintain toxic gases and vapors at acceptable levelsTypes of Personal Protective Equipmentn Harnessesn Retrieval linesn Chemical protective clothingn Welding apron/sleevesn Respiratorsn Glovesn Safety glassesCompanys Responsibilitiesn Formulate and manage the confin

6、ed spaces programn Maintain a confined space inventoryn Maintain a list of“Authorized Personnel”n Maintain copies of confined space permitsn Direct the confined space training programn Maintain rescue equipmentn Coordinate contractor activitiesAuthorized Attendant Responsibilities Know the hazards t

7、hat may be faced during entry.Be knowledgeable in the use and care of applicable atmosphere sampling equipment.Conduct all atmosphere tests/sampling specified by the permit and render the atmosphere safe before entry can be made.Be aware of possible behavioral effects of hazard exposure in Authorize

8、d Entrants.Continuously maintain an accurate count of Authorized Entrants in the confined space.Document No.EHSL-6.2.2-00.001D Rev.R1 Rev.Date:01/30/09Authorized Attendant Responsibilities(cont.)Remain outside the permit space during entry operations until relieved by another Authorized Attendant.Co

9、mmunicate with Authorized Entrants as necessary to adequately monitor their status.Monitor activities inside and outside the confined space and order Authorized Entrants to evacuate when necessary.Summon rescue services if needed(by use of portable radio or phone).Keep unauthorized persons out of th

10、e permit space.Do not perform any duties that might interfere with monitoring duties.Document No.EHSL-6.2.2-00.001D Rev.R1 Rev.Date:01/30/09Authorized Entrant Responsibilitiesn Know the hazards that may be faced during entry.n Recognize signs and symptoms of exposure.n Properly use entry equipmentn

11、Communicate with the Authorized Attendant as necessary to enable the Attendant to monitor Authorized Entrant status and to enable the Attendant to alert Entrants of the need to evacuate the space.n Alert the Authorized Attendant whenever warning signs or symptoms of exposure to a dangerous situation

12、 are recognized or a prohibited condition is detected.n Exit from the space as quickly as possible whenever:An order to evacuate is given by the Attendant or the Entry Supervisor.Any warning signs or symptoms of exposure to a dangerous situation are recognized.A prohibited condition is detected.An e

13、vacuation alarm is activated Confined Space Supervisor Responsibilitiesn Know the hazards that may be faced during entry.n Verify by checking that the appropriate entries have been made on the permit,that all tests specified by the permit have been conducted,and that all procedures and equipment are

14、 in place before endorsing the permit and allowing entry to begin.n Terminate entry and cancel the permit as required.n Verify rescue services are available and that the means for summoning them are operable.n Remove unauthorized individuals who enter or attempt to enter the permit space during oper

15、ations.n See that entry operations remain consistent with the permit n Ultimately,the Confined Space Supervisor is responsible for all confined space entry activities.Rescuer Responsibilitiesn Understand the hazards of the spacen Be certified in emergency first aid and CPRn Understand appropriate en

16、try proceduresn Know how to use rescue equipmentn Practice confined space rescues at least annuallyQuiz1.A confined space is defined as having limited egress,can be bodily entered,and is not designed for_.2.All confined spaces must be permit-required.True or False3.The three hazards that must be tes

17、ted for in a confined space are _,combustibility and flammability,and toxic atmospheres.4.Since entrants will view the hazards while in the space,it is not necessary that theyknow or review the hazards prior to entry.True or False5.If a chemical storage tank is empty,it would not be considered a con

18、fined space.True or FalseQuiz(cont.)6.Two examples of typical non-permit-required confined spaces are _ and _.7.Confined space entry is a leading cause of occupational fatalities in the United States.True or False8.Annual _ drills are required by the OSHA Confined Space Standard.9.An attendant shoul

19、d be available to be the first person into the space to conduct a rescue.True or False10.An entrant should exit a confined space if ordered to do so,unknown exposures are encountered,communication is lost,or _.Quiz Answers1.A confined space is defined as having limited egress,can be bodily entered,a

20、nd is not designed for continuous occupancy.2.False.Some confined spaces may be classified as non-permit-required.3.The three hazards that must be tested for in a confined space are oxygen content,combustibility and flammability,and toxic atmospheres.4.False.Entrants must be familiar with all hazard

21、s prior to entering a confined space.5.False.Just because it is empty does not preclude its being defined as a confined space.Quiz Answers(cont.)6.Examples of typical non-permit-required confined spaces are utility closets,below-grade trenches,storage vaults,and utility subbasements.7.True.Confined

22、space entry is routinely one of the leading causes of occupational fatalities.8.Annual emergency drills are required by the OSHA Confined Space Standard.9.False.An attendant should never enter a confined space to rescue unless someone else is available to fill the duties as attendant.10.An entrant should exit a confined space if ordered to do so,unknown exposures are encountered,communicationis lost,or an alarm is sounded.