HR Alert – It’s Time to Think About Heat Illness Prevention

11/01/2024

By: HR NETwork Inc

HR NETwork

We Put the Human Back
In Human Resources

With the first day of summer on June 20th, employers with an outdoor workforce will want to think about preventing heat illness.

California’s strict heat illness standards require employers to take precise steps to protect outdoor workers from heat illness. California’s standards are the most extensive in the country. The heat illness standards are enforced by Cal/OSHA, otherwise known as the Division of Occupational Safety and Health.

Employers and employees both need to know the signs of heat illness so they can recognize the effects on workers and alert a supervisor if a worker needs assistance.

Cal/OSHA urges employers to prepare in advance for heat waves.

Employers at outdoor worksites must know the steps to take to prevent heat illness injuries on the job. Cal/OSHA continues to focus on training and outreach, combined with enforcement targeting those employers who put their workers’ safety at risk. In addition, whether you have an indoor or outdoor workforce, employers should always consider the overall duty to ensure a safe workplace.

General Overview

Heat illness is a serious medical condition that occurs when the body’s temperature control system can’t maintain an acceptable internal temperature, and a person’s body temperature can quickly rise to a dangerous level. If untreated, heat illness can be fatal.

The California Code of Regulations (CCR), Title 8, section 3395 (Heat Illness Prevention) contains the heat illness standard. In general, California’s heat illness prevention standards require employers with “outdoor places of employment” to:

  • Train all employees and supervisors on heat illness prevention.
  • Provide enough fresh water so that each employee can drink at least 1 quart per hour, or four 8-ounce glasses of water per hour, and encourage them to do so.
  • Provide access to shade and encourage employees to take a cool‐down rest in the shade for at least 5 minutes. Employees should not wait until they feel sick to cool down. Shade structures must be in place upon request or when temperatures exceed 80 degrees Fahrenheit.
  • Closely observe all employees during a heat wave and any employee newly assigned to a high heat area. Lighter work, frequent breaks or shorter hours will help employees who have not worked in high temperatures previously to adapt to the new conditions.

  • Develop and implement written procedures for complying with the Cal/OSHA heat illness prevention standard, including plans on how to handle medical emergencies and steps to take if someone shows signs or symptoms of heat illness.

Cal/OSHA provides online information on Heat Illness Prevention requirements and training materials, and has extensive multilingual materials for employers, workers and trainers on its “Water. Rest. Shade.” public awareness campaign website. The agency also offers a Heat Illness Prevention e-tool with real world examples of heat illness and best practices for an effective heat illness prevention plan..

Failure to comply with California’s heat illness standards can result in Cal/OSHA citations, fines and even stop-work orders that shut down your operations.

Outdoor Workplaces

Because the heat illness standards are so detailed, it’s important to understand when you might be required to comply. The heat illness standard applies to all outdoor places of employment. But what does this mean?

Sometimes the answer is obvious. For example, outdoor places of employment clearly include open spaces: agricultural fields, road work and landscaping, and construction sites. Other obvious examples, according to Cal/OSHA, include forests, parks, equipment and storage yards, outdoor utility installations and tarmacs.

Outdoor areas, such as loading docks that are adjacent to buildings, are also considered outdoor places of employment, if an employee spends a significant amount of time working in them. Exactly how much time must be spent working outdoors before the heat illness rules apply is still a gray area that has yet to be definitively answered in California.

Sometimes, it’s not clear whether a particular workplace is an indoor or outdoor workplace. For instance, a shed with open sides can be an outdoor or indoor workplace depending on the circumstances. As Cal/OSHA notes, a partially open shed can be hotter than the outside environment due to the sun heating the shed, the lack of air circulation or the lack of insulation.

Cal/OSHA explains that it considers a structure in this category to be an outdoor workplace if it does not significantly reduce the net effect of the environmental risk factors that exist immediately outside of the structure.

Employers who have questions about whether a particular space will be considered an outdoor workspace should look at what environmental risk factors are at play and whether the space in question minimizes those risk factors.

If the space is considered an outdoor place of employment, the strict heat illness standards apply and failure to comply can result in fines and penalties – not to mention the risk of injury to your workers. Consult legal counsel if you have any questions about whether the heat illness standard covers you.

Safety First

Employers will not want to ignore the affects of heat on indoor workplaces either. California employers, regardless of whether they’re covered by the heat illness prevention standard, are required to provide a safe workplace to their workers and to identify and address workplace hazards.

For instance, imagine you own a warehouse in the Central Valley where summertime temperatures can consistently reach well over 100 degrees. Or let’s say your indoor employees work next to ovens in an area with poor ventilation. Although you are not required to follow the heat illness standards that apply to outdoor places of employment, this does not mean that you are completely off the hook.

CCR Title 8, section 3203, requires employers to establish, implement and maintain an effective Illness and Injury Prevention Program (IIPP). Employers must have written procedures, conduct worksite evaluations, identify and correct worksite hazards, and train employees. These provisions apply to all workplace hazards and to all employees.

Indoor heat can be a known hazard in the workplace, and under the obligation of the IIPP, employers are required to inform their employees about the hazard and outline the steps taken to mitigate it,” according to Cal/OSHA.

Cal/OSHA prepared an informational piece with recommendations for the prevention of heat illness for indoor working environments.

Red Flag Tips

With rising temperatures on the way, all employers will want to consider the affects that heat may have on worker safety. Employers with outdoor places of employment and subject to the heat illness standard will want to take additional steps:

  • Familiarize themselves with the heat illness standard.
  • Train and educate employees and supervisors on how to recognize, respond to and prevent heat illness and on Cal/OSHA requirements relating to water, shade, cool-down rest periods and acclimatization
  • Prepare a written heat illness plan tailored to the individual conditions present at their worksite and be ready to produce it to Cal/OSHA upon request.

Keep records of their training and other compliance efforts.

For additional information or to purchase an IIPP, please call our office at 714.799.1115

Genoveva Godoy-Thomas

Genoveva Godoy-Thomas joined HR NETwork in October of 2022. She was born in Guatemala, spent her formative years in Fairfax, Virginia and spent over 20 years living in Bethesda, Maryland. As a teen she spent her summers in Orange County where she currently resides. She has native fluency in both English and Spanish.

A seasoned human resource professional, having worked at Marriott International for 23 years in various Human Resources related roles in addition to working as a Human Resources manager/office manager for an Estate planning firm. She also holds a B.S. in Business Management and Human Resources Management from the University of Maryland.

Genoveva enjoys volunteering at First Tee golf photographing events, actively volunteering at her son and nieces’ school when needed. She loves to spend her time with her son enjoying the outdoors and teaching him to love and respect nature. 

Michelle Brubaker

Michelle Brubaker, the Director of Business Operations of HR NETwork, has been with the company for 16 years. Joining the team as an HR Coordinator, she quickly worked her way up to Executive Assistant and on to her current role as Director of Business Operations. Handling all things business-related including contracts and accounting, she is the unwavering support of HR NETwork.


Michelle has an impressive resume with almost 20 years of experience in supervising, managing, and motivating teams. Her strengths lie in building trust with her colleagues and clients, delivering results, and creating efficient processes to align with the company’s mission. Her passion and dedication have made her an integral part of the business.

She believes our clients are an extension of the HR NETwork family and genuinely loves assisting them. “It’s a great feeling knowing during critical times, we are able to put their minds at ease and hold their hands through them”.

Outside of work, Michelle enjoys travelling, country music and all things self-development. She has a fur baby named Buddy and loves being outdoors with him as well.

Shannon Martin

Shannon Martin, HR Business Partner brings over thirty years of human resources experience and expertise from Fortune 500 high-technology and service companies. Shannon has held both HR leadership and consulting roles. She has supported clients across a variety of industries including fiduciary services and investment management, consumer and real estate information, health care, beauty, and a large IT Infrastructure group.

Her scope of experience is broad and progressive and the disciplines she finds to be most rewarding are: Strategic Planning, Organizational Development Leadership Development, Change Management, Performance Management Coaching and Mediation & Conflict Resolution. 

Shannon has “hands-on” experience implementing mergers and acquisitions and building HR Departments. She has completed extensive coursework in communication and excels at building organizational processes that bring cohesion and engagement. She enjoys motivating and mentoring employees to help them achieve increased business performance.  

Shannon holds a Human Resource Management Certificate from UC Irvine.  She is a certified Senior Professional in Human Resources (SPHR).

Shannon considers herself an HR geek and finds reward when solving a challenge creatively. Shannon earned the Radio Rookie of The Year Award from KBPK, a college station. She also earned the Leadership Award presented by First American Trust Company. A cowgirl at heart, she loves being outside and working with animals of any kind.

Michelle Odell

Michelle Odell is currently a Talent Acquisition and Human Resources Manager with HR Network and has experience ranging from Recruiting, General HR, Employee Relations and Training.  She enjoys helping employees navigate through questions they may have with career development, understanding benefits, policies, or recruitment. 

Michelle has a Bachelor’s degree from California State University, Fullerton and majored in Psychology with an emphasis in Human Resources.  She spent some time away from HR Network to recruit for a company bringing them from 5 to 130+ employees.  She was happy to return to HR Network in 2019 and is enjoying being part of the team and learning about new laws and practices. 

Michelle was born and raised in California and has three children, three cats, two dogs, a McCaw, and a husband

Lee Anne Woods

The newest member of our team, Lee Anne Woods is an HR Business Partner at HR NETwork. She previously worked in Human Resources in the mortgage and banking field, as well as doing secondary marketing for 10 years. Lee Anne decided to join HR NETwork when she realized how rewarding it is to be able to help clients navigate the crazy world of HR! “What I like about HR NETwork is how much we care about our clients, and how much we value learning and growing, so we may give them the most up to date information and trends out there!”

Lee Anne has a husband and two grown daughters. She enjoys travelling around the country and watching her daughters sporting events!

Lorraine Calder

Lorraine Calder has been an HR Business Partner at HR NETwork for 12 years. Since making a major movie from the UK to the US in 1997, she has enjoyed keeping up with the everchanging CA labor laws. She believes knowledge is a powerful tool to have, and is always happy to share her knowledge and experiences with our clients, along with the many HR trainings we provide. As a people person, Lorraine really enjoys making relationships with our clients, and is happy that our clients and vendors put their trust and confidence in our team. She gets great satisfaction at the end of the workday, knowing that she has achieved something special and values being part of a great and caring team!

Lorraine enjoys spending time with her three grandsons and two granddaughters. “Nothing is impossible if you set your mind to it, I am living proof of that.”

Michelle Espinoza

Michelle Espinoza joined the HR NETwork team in 2014 in the capacity of HR Manager and has more than 10 years of progressive management experience in human resources. She is now the Director of HR & Client Relations at HR NETwork and leads the HR management team in supporting our clients. 

Her career began in Talent Acquisition where she acquired a strong aptitude in employee relations.  She realized that a lot of companies needed help in navigating through the endless California employment laws and legislation. This led her to transition to Human Resources to focus on helping companies maintain legal compliance.  

Michelle has a keen understanding that business processes are vitally important to any business sector and apply to all types of organizations.  Realizing that the commonality amongst various industries generally results in the same matters led Michelle to what she truly enjoys – strengthening the partnership with our clients in HR matters.  

Michelle holds a B.S in Business Management with an emphasis in Human Resources.  

During her free time, she enjoys fitness, outdoor activities, spending time with family and friends.