Abstract: At 10:30 a.m. on August 13, 2020, an employee was working as a construction laborer for a general engineering contractor that specializes in infrastructure protection services. The employee had been an employee of the employer for approximately 5 years. The employee reported to Coworker #1, his immediate manager, and Coworker #2, his immediate supervisor and lead foreman. The crew worked Monday through Friday from 6:30 a.m. to 3:00 p.m. The employer was contracted by the local utility to locate gas and telephone lines in preparation for a water line installation. The employer had been on site for approximately 2 days. The employee was working on a crew performing spot paving to cover small dig out holes used for locating utility lines. The crew was performing the working using a vacuum truck and a dump truck filled with asphalt, along with other paving tools. Coworker #2 assigned the employee to perform the spot paving. They arrived at the job site at approximately 7:30 a.m. and began working. As the morning progressed, the employee started to feel hot and fatigued. He notified Coworker #2 who instructed the employee to take a break in air-conditioned truck and to drink water. Coworker #2 went to check on the employee at which time he noticed the employee was still sweating profusely. Coworker #2 called for emergency medical services. The employee stated that he had been unusually tired and didn't feel like himself that morning, but he didn't say anything thinking it was just fatigue from the prior night. It was discovered that the employee had underlying medical conditions that may have contributed to him feeling ill that day. The employee was hospitalized to treat possible heat-related illness.