Noise Exposure in Construction
63 flashcards covering Noise Exposure in Construction for the OSHA OSHA 10/30 Construction section.
Noise exposure in construction addresses the risks of hearing loss and related health issues from prolonged or intense noise on job sites, such as heavy machinery and power tools. This topic is defined by the Occupational Safety and Health Administration (OSHA) under 29 CFR 1926, which outlines standards for construction safety in the OSHA Outreach Training program for both construction and general industry.
On OSHA 10/30 Construction certification exams, questions typically appear as multiple-choice scenarios asking about permissible exposure limits, required monitoring, or engineering controls like barriers. A common trap is confusing short-term noise bursts with long-term cumulative effects, which can lead to inadequate protection strategies.
Always monitor noise levels with a dosimeter to catch exposures before they cause irreversible damage.
Terms (63)
- 01
What is the action level for occupational noise exposure?
The action level is an 8-hour time-weighted average of 85 decibels (29 CFR 1910.95(c)).
- 02
What is the permissible exposure limit for noise in the workplace?
The permissible exposure limit is an 8-hour time-weighted average of 90 decibels (29 CFR 1910.95(a)).
- 03
Under 29 CFR 1910.95, what triggers the need for a hearing conservation program?
A hearing conservation program is required when employee noise exposure equals or exceeds the action level (29 CFR 1910.95(c)).
- 04
How often must audiometric testing be provided for employees in a hearing conservation program?
At least annually after the baseline audiogram (29 CFR 1910.95(g)(7)(i)).
- 05
What must employers do if noise exposure monitoring shows levels above the permissible limit?
Employers must use feasible administrative or engineering controls to reduce exposure (29 CFR 1910.95(b)(1)).
- 06
What is required when an employee's noise exposure equals or exceeds the action level?
Employers must provide hearing protectors at no cost to employees (29 CFR 1910.95(i)(1)).
- 07
In construction, what type of hearing protection is mandatory for exposures above certain levels?
Hearing protectors must be worn by employees exposed to an 8-hour time-weighted average of 85 decibels or greater (29 CFR 1910.95(i)).
- 08
What steps are involved in monitoring employee noise exposure?
Employers must monitor noise exposure to identify employees at risk and repeat monitoring if changes occur that could affect exposure (29 CFR 1910.95(d)).
- 09
How must noise exposure be measured in the workplace?
Noise exposure must be measured using a sound level meter, dosimeter, or an instrument that integrates measurements over time (29 CFR 1910.95(d)(1)).
- 10
What training must employees receive regarding noise exposure?
Employees must be trained on the effects of noise, the purpose of hearing protectors, and the selection, fitting, and care of protectors (29 CFR 1910.95(k)(3)).
- 11
When must baseline audiograms be conducted for employees?
Within 6 months of an employee's first exposure to noise at or above the action level (29 CFR 1910.95(g)(3)).
- 12
What is the purpose of a hearing conservation program?
To prevent occupational hearing loss by including monitoring, audiometric testing, hearing protection, and training (29 CFR 1910.95(c)).
- 13
At what noise level must employers provide a variety of hearing protectors?
When employees are exposed at or above the action level and the protectors must be suited to their needs (29 CFR 1910.95(i)(3)).
- 14
How often must hearing protectors be replaced?
As necessary to ensure they provide adequate protection, based on wear and tear (29 CFR 1910.95(i)(4)).
- 15
What records must be kept for noise exposure monitoring?
Records of exposure measurements for at least 2 years (29 CFR 1910.95(m)(3)).
- 16
Under 29 CFR 1910.95, what must be done if an audiometric test shows a standard threshold shift?
The employee must be informed, refitted and retrained on hearing protectors, and provided follow-up (29 CFR 1910.95(g)(8)(i)).
- 17
A construction worker is exposed to high noise levels; what should the employer ensure?
The employer must ensure the worker is enrolled in a hearing conservation program if exposure is at or above the action level (29 CFR 1910.95(c)).
- 18
If a worker reports hearing issues, what immediate action is required?
The employer must provide an opportunity for an audiometric examination and evaluate the need for hearing protection (29 CFR 1910.95(g)).
- 19
In a scenario where noise levels exceed 85 dBA, what protection must be offered?
Hearing protectors must be made available and employees must be trained on their use (29 CFR 1910.95(i)).
- 20
What should a supervisor do if a worker is not wearing required hearing protection?
Ensure the worker is trained and fitted with appropriate hearing protectors and enforce their use (29 CFR 1910.95(k)).
- 21
Before starting work in a noisy construction area, what must employees have?
Training on noise hazards and the proper use of hearing protection (29 CFR 1910.95(k)).
- 22
What is the first step when implementing controls for noise exposure?
Conduct noise exposure monitoring to determine the extent of exposure (29 CFR 1910.95(d)).
- 23
Before assigning hearing protectors, what must employers verify?
That employees have been trained on their use and selection (29 CFR 1910.95(i)(4)).
- 24
What procedure must be followed for employees refusing hearing protection?
Employers must enforce the use through training and disciplinary measures as needed, per the standard (29 CFR 1910.95(i)).
- 25
How often must the hearing conservation program be evaluated?
The program must be reviewed annually or as needed based on exposure changes (29 CFR 1910.95(c), implied through ongoing requirements).
- 26
What is required under 29 CFR 1910.95 for engineering controls in noisy environments?
Feasible engineering or administrative controls must be used to reduce noise to within permissible limits (29 CFR 1910.95(b)).
- 27
Under the noise standard, when must noise monitoring be repeated?
Whenever a change in production, process, equipment, or controls increases noise exposure (29 CFR 1910.95(d)(5)).
- 28
What does 29 CFR 1910.95 specify for the selection of hearing protectors?
Hearing protectors must be selected based on an employee's exposure and provide sufficient attenuation (29 CFR 1910.95(i)(2)).
- 29
In construction, what noise-related hazard must be assessed first?
Conduct initial monitoring to identify employees exposed at or above the action level (29 CFR 1910.95(d)).
- 30
A worker in construction shows a standard threshold shift; what follows?
The employer must fit the worker with hearing protectors, retrain them, and refer for further evaluation (29 CFR 1910.95(g)(8)).
- 31
What quantitative measure is used to assess daily noise dose?
The 8-hour time-weighted average sound level (29 CFR 1910.95(a)).
- 32
How is employee noise exposure calculated for varying levels throughout the day?
By using the time-weighted average to integrate varying noise levels over an 8-hour period (29 CFR 1910.95(a)).
- 33
What is the minimum attenuation required for hearing protectors?
They must reduce the noise to below the permissible exposure limit when feasible (29 CFR 1910.95(b)).
- 34
What documentation is needed for audiometric test results?
Records must include name, test dates, results, and background noise levels (29 CFR 1910.95(m)).
- 35
Under 29 CFR 1910.95, what must be included in employee training?
The effects of noise on hearing, the purpose and advantages of protectors, and instructions on selection and use (29 CFR 1910.95(k)(3)).
- 36
What is the role of a professional in the hearing conservation program?
A licensed or certified audiologist, otolaryngologist, or other qualified person must oversee audiometric testing (29 CFR 1910.95(g)(3)).
- 37
How must hearing protectors be maintained?
They must be replaced as necessary and employees trained on their care (29 CFR 1910.95(i)(4)).
- 38
In a high-noise construction site, what priority has engineering controls over hearing protectors?
Engineering controls must be used first if feasible to reduce exposure (29 CFR 1910.95(b)).
- 39
What scenario requires immediate noise exposure reassessment?
When there are changes in the workplace that could increase noise levels (29 CFR 1910.95(d)(5)).
- 40
If monitoring reveals exposure above 85 dBA, what action is next?
Implement the hearing conservation program components (29 CFR 1910.95(c)).
- 41
What procedure ensures hearing protectors are effective?
Fit testing and employee training on proper use (29 CFR 1910.95(i)).
- 42
Before entering a noisy area, what must workers confirm?
That they have the required hearing protection and have been trained (29 CFR 1910.95(i)).
- 43
What is the standard for evaluating hearing loss in the program?
A standard threshold shift is an average shift of 10 dB or more at certain frequencies (29 CFR 1910.95(g)(10)(i)).
- 44
How often must training be provided in the hearing conservation program?
At least annually for employees included in the program (29 CFR 1910.95(k)(4)).
- 45
What must be done with audiometric test results showing issues?
Notify the employee and take corrective actions like refitting protectors (29 CFR 1910.95(g)(8)).
- 46
In construction, what noise control method is preferred?
Engineering controls to eliminate or reduce noise at the source (29 CFR 1910.95(b)).
- 47
What regulatory requirement applies to noise-exposed employees' medical records?
Records must be maintained for the duration of employment plus 30 years (29 CFR 1910.95(m)(6)).
- 48
Under 29 CFR 1910.95, what defines excessive noise exposure?
Exposure exceeding the permissible exposure limits based on duration (29 CFR 1910.95, Table G-16).
- 49
What is required for employees working with noisy equipment?
Exposure monitoring and inclusion in the hearing conservation program if needed (29 CFR 1910.95(d)).
- 50
A supervisor notices inconsistent use of hearing protection; what should they do?
Reinforce training and ensure proper fitting and availability (29 CFR 1910.95(k)).
- 51
What quantitative threshold initiates mandatory hearing protection?
An 8-hour time-weighted average of 85 decibels (29 CFR 1910.95(i)).
- 52
How must noise hazards be communicated to employees?
Through training and information on exposure levels (29 CFR 1910.95(k)).
- 53
What procedure follows a baseline audiogram?
Annual audiograms and comparison to baseline (29 CFR 1910.95(g)(7)).
- 54
In a scenario of prolonged noise exposure, what health effect is prevented?
Occupational hearing loss through the hearing conservation program (29 CFR 1910.95(c)).
- 55
What is the first response to detected hearing loss in an employee?
Inform the employee and adjust hearing protection (29 CFR 1910.95(g)(8)).
- 56
Under 29 CFR 1910.95, what ensures compliance with noise standards?
Regular monitoring and implementation of controls (29 CFR 1910.95(d)).
- 57
What training element covers the selection of hearing protectors?
Instructions on the advantages, disadvantages, and attenuation of various types (29 CFR 1910.95(k)(3)).
- 58
How is noise exposure reduced in construction operations?
By using engineering controls where feasible (29 CFR 1910.95(b)).
- 59
What must be verified before noise-related work begins?
That exposure monitoring has been conducted (29 CFR 1910.95(d)).
- 60
What scenario requires updating the hearing conservation program?
When changes in exposure levels occur (29 CFR 1910.95(c)).
- 61
What is the key component of noise control strategies?
Reducing exposure through feasible means (29 CFR 1910.95(b)).
- 62
How often should employees in the program receive hearing protection training?
Annually (29 CFR 1910.95(k)(4)).
- 63
What regulatory standard addresses noise in construction environments?
CFR 1910.95, as applied to construction under OSHA requirements.