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NOISE ENGINEERING DESIGN

When hearing protection and administrative controls cannot be employed to reduce noise exposures, EI’s engineering team assists our industrial clients in the identification and design of noise engineering controls.  Engineering controls for excessive noise can be developed for isolated pieces of manufacturing equipment or entire industrial process lines. Initial steps require performing sounds level facility surveys and personnel noise dosimeter monitoring of manufacturing personnel by experienced industrial hygienists. Noise monitoring results are utilized to determine specific sources of excessive noise, as well as the mechanism of sound generation/propagation emitted by the excessive noise source.  Multiple sources of noise will subsequently be “rank ordered”, which will allow for a range of possible engineering controls, typically addressing the loudest sound sources first.  EI’s professionals segregate excessive noise sources into two distinct classes, vibrational noise and noise turbulence.

Once all specific noise sources are identified, EI utilizes the following logical approach to determine the optimal systems to reduce/control excessive noise:

  1. Substitution of equipment (fundamental first step)
  2. Categorization of source into vibrational noise and turbulence-based noise
  3. Reduction of driving forces which cause excessive noise
    a. Decreasing machine speed
    b. Maintaining dynamic balance
    c. Provide vibrational isolation
    d. Increasing impact duration, while reducing the force of impact
  4. Reduce response of vibrating surfaces
  5. Reduce area of vibrating surfaces
  6. Reorienting directional noise sources
  7. Reduction in velocity of fluid flow (air ejection systems, valves, vents and piping)
  8. Provide sound absorption alternatives
  9. Design and installation of equipment and personnel noise enclosures

Let EI’s team of industrial hygienists and engineers work collaboratively to identify and provide cost-effective engineering solutions aimed at reducing exposure of your workforce to excessive noise.

IN NEED OF OUR SERVICES? 

EI’s commitment to service has been amply demonstrated on past projects.  Yet again, this commitment has been clearly demonstrated by nimble agility of short notice staff scheduling.  The dedicated professionals of The EI Group have exceeded our expectations.

 

Steven Pond, CPG

Associate, Schnabel Engineering

OSHA Revises Earlier Requirements for Recordkeeping COVID-19 Cases

OSHA Revises Earlier Requirements for Recordkeeping COVID-19 Cases

On April 10, 2020, OSHA issued a memorandum which relaxed the rules for recording cases of COVID-19 on the OSHA 300. EI first reported on this topic back on April 15, 2020. More recently, OSHA issued another memorandum intended to provide guidance for compliance officers, rescinding those earlier restrictions and returning to standard recordkeeping practices for all employers as of May 26, 2020.

The Re-Emergence of the Occupational Health Nurse as Employers Return to Work

The Re-Emergence of the Occupational Health Nurse as Employers Return to Work

In the early 1970s, OSHA was established by the Federal government to prevent work related injuries, illnesses, and fatalities. Given the comprehensive nature of OSHA compliance and the lack of familiarity by manufacturing company management with worker health and safety compliance, the demand for “in-house” medical and safety professionals grew rapidly. Between the mid-1970s and mid-1980s, the percentage of industrial operations with 250+ manufacturing employees, who had “in-house” occupational health nurse (OHN) support to assist with OSHA compliance initiatives, was high.

The Emergency Action Plan and COVID-19: Is it Time for a Revision?

The Emergency Action Plan and COVID-19: Is it Time for a Revision?

The COVID-19 virus has forced us to change our way of living…and working. While many employers are slowly beginning to resume business, it is not business as usual. Consider your emergency action plan (EAP) for example. While setting up barriers, teaching about social distancing and providing masks for your workers, did you remember to address, and update if necessary, your EAP?

Going Back to Work? Considerations for Owners and Managers to Protect Employees, Tenants and Contractors

Going Back to Work? Considerations for Owners and Managers to Protect Employees, Tenants and Contractors

We are not out of the woods yet, as the health risks from the COVID-19 pandemic remain. However, the phased opening of our economy and the opportunity to return to work is a measured and controlled path that appears to make sense. Though, this will put those returning workers’ health (and their family’s health) at risk.

Therefore, it is incumbent on building and business owners/managers to do what they can to make returning to the workplace as safe as possible. Planning, monitoring, and communication will be the cornerstones of creating a safe work environment to minimize the health risks associated with this virus.

COVID-19 Recovery Guidance: Water System Restart from No- or Low-Occupancy Operation

COVID-19 Recovery Guidance: Water System Restart from No- or Low-Occupancy Operation

Step one in restarting a commercial building water system is an assessment. It is imperative you know your water system; its piping configuration and end uses. The objective of the procedure is to flush the entire water system and the effectiveness of this flush/disinfection will be compromised if any portion of the system is not fully flushed.

Industry Sector-Specific Guidelines for Re-Opening Our Nation’s Businesses

Industry Sector-Specific Guidelines for Re-Opening Our Nation’s Businesses

This week, America’s businesses are grappling with the idea of re-opening and returning to some form of normalcy, whatever that is, following the many impacts of COVID-19 on our nation’s health and economy. This return is particularly difficult for the nation’s smaller businesses, especially those that deal with customers and members of the public.

Training Students in the Era of COVID-19

Training Students in the Era of COVID-19

The “new normal,” as social distancing guidelines are relaxed, will be focused on practical methods to prevent pathogen transmission and aimed at protecting public health. As the demand for our hands-on classroom certification and educational training in occupational health, safety, industrial hygiene and environmental compliance rapidly “returns to normal,” EI has developed a plan, aimed at providing a safe classroom environment to our students.

Screening the Employee Workforce for Potential COVID-19 Carriers

Screening the Employee Workforce for Potential COVID-19 Carriers

Is your operation classified as an “essential business” during “Stay at Home” social distancing policies which have been implemented by over 40 states nationwide? Have you identified key employees necessary at the workplace to keep your business viable during the pandemic? If so, your operation is faced with the tremendous responsibility of minimizing the potential for employee-to-employee transmission of the coronavirus. Identification of workers with COVID-19 symptoms or employees who may have been exposed to known carriers is paramount in minimizing viral transmission within your workforce.

RELATED SERVICES

HEARING CONSERVATION

SAFETY ENGINEERING

NOISE MONITORING

TRAINING COURSES