THE HANDICAP RESULTING FROM NOISE-INDUCED HEARING LOSS Communication Self-Esteem Interaction with Environment Intimate Relationships.

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Presentation transcript:

THE HANDICAP RESULTING FROM NOISE-INDUCED HEARING LOSS Communication Self-Esteem Interaction with Environment Intimate Relationships

1995 Construction Employment Data and NIOSH Estimates ( ) of Numbers Exposed at or above 85 dBA

Average noise exposure levels (daily L eq ) by type of construction. (Adapted from Sinclair and Haflidson, 1995)

Average Daily Noise Exposure Levels (8-hour L eq ) of Heavy Equipment Operators and Associated Laborers in dBA

COMBINED EXPOSURES NOISE AND OTHER AGENTS   Lead u u Vibration u u Carbon Monoxide u u Chemicals u u Solvents Toluene Xylene

Estimated Numbers of Workers Exposed at or above 85 dBA and Percent using HPDs. (NIOSH percentage estimates ( ) using 1995 Construction Employment Data.)

HEARING PROTECTOR USE AMONG CONSTRUCTION WORKERS

HEARING PROTECTORS PRACTICAL CONSIDERATIONS

AUDIOMETRIC TESTING

ACCIDENTS IN CONSTRUCTION

BACK-UP ALARMS

Diesel-powered rotary drills………... Electrically driven rotary drills……... Machine-Mounted percussion…….. drills (surface) Crawler tractors……………………... Electric shovels and draglines…….. Diesel-powered draglines, cranes… shovels, and hydraulic excavators Haulage trucks……………………… Scrapers……………………………... Front-end loaders…………………... Graders………………………………. Coal augers…………………………. QuietedUnquieted |||||||||||||||||||||||| |||||||||||||||||||||||| Typical worker exposure, dBa SURFACE MINING EQUIPMENT INDEX