Tim Robson’s involvement with trench rescue started in 1994 when his technical rescue team from the Albuquerque Fire Department responded to what the dispatcher called a trench event.

“When we arrived on the scene, no one was there other than a police officer and a grandmother,” Tim recalls. “She couldn’t find her grandson.”

A company doing trench work in front of her home had offered to pay the woman’s teenage grandson hourly to help them. The teenager was inside the trench when it collapsed.

“The company left, and they left him in the trench,” Tim explains. “Unfortunately, it was a fatality. When we found him, he had already succumbed.”

As a result of that experience, Tim understands firsthand the risks involved in trench work and the importance of trench safety. Now, Tim supervises Roco Rescue’s technical rescue teams across the globe and, as a Chief Instructor, leads training courses in – among other things – trench rescue.

Tim is presenting a course on “Managing Excavations” at the North Dakota Safety Council’s 46^th Annual Safety & Health Conference later this month. We sat down to talk with Tim recently to find out more about trench safety and why it’s so important.

Roco Rescue: Good afternoon, Tim, and thank you for talking with us today about trench/excavation safety. Let’s start with the overarching question: How dangerous is trench work?

Tim:  Trenching/excavation is one of the major fatality-causing occupations in the U.S. right now, according to the Bureau of Labor Statistics. Of the 130 trench/excavation fatalities that occurred between 2011 and 2016, 80% of those occurred in the private construction industry.

What scares us even more is that the number of fatalities is trending up. In 2014, there were 13 fatalities in trench/excavation. In 2015, that number rose to 25. And in 2016, there were 36 fatalities. So nearly half of the fatalities that occurred over a fifteen-year period happened in 2015 and 2016. Despite the fact that the regulations have gotten stricter, the numbers are trending up.  

Roco Rescue: We’re going to touch on the OSHA regulations in a moment. First, please explain why the number of fatalities is trending upwards.

Tim: The increase in fatalities goes hand in hand with the uptick in employment and construction; as the economy improves, there’s more construction and, with that, more trenching and excavation.

In addition to more construction, there’s less space. As a country, we’re building more roads, more buildings, and more infrastructure but we have less physical space to do it in.

And in addition to doing more construction in less space, in our world, we have to do more with less. Ten years ago, there were six people working on a construction trenching job; today, there are 4, and that naturally lends itself to more safety violations.

Roco Rescue: What makes trenches so dangerous?

Tim: First, let me explain the difference between a trench and an excavation: an excavation is wider than it is deep, meaning there’s less chance of dirt collapsing because the vertical walls of the trench are sloping. If my wall slopes away from the bottom of the hole I dug, there’s less chance of that wall falling in.

A trench, on the other hand, is deeper than it is wide. If I have to dig a trench with a perfectly vertical wall, because there’s a road right next to where I’m digging the trench, I can almost guarantee a collapse.

To give readers an idea of the physics and mechanics involved when soil collapses, I often use this analogy: A typical collapse involves a couple of yards of dirt. A couple of yards of dirt collapsing into a 6-foot deep trench has the same force as a pickup truck moving 45 miles an hour. If you’re at the bottom of the trench and the soil falls in on you from 6 feet, you’re getting hit with the same amount of force as a pickup truck traveling 45 miles per hour.

When that force hits you, you can’t survive. And that’s just the force. There’s also the compression and blocked airways that the victim experiences. Every time you take a breath, the soil gets closer to your body so now it’s compressing you and you’re not able to expand your chest wall.

That’s why this is such a big concern for OSHA.

Roco Rescue: Let’s talk more about the OSHA regulations. What is OSHA doing to help reduce the number of fatalities caused by trench collapse?

Tim: Last year, OSHA put out a compliance letter urging the construction industry to improve the safety of their trenching and excavation operations.

OSHA requires that any time someone makes an excavation or trench in the ground as part of their occupation, they have to designate what’s called a competent person. That’s usually someone in a management or supervisory position who is tasked with “identifying existing and predictable hazards in the surroundings, or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them.”

Roco Rescue: Besides designating a competent person, what precautions can supervisors take at work sites to reduce trench injuries/fatalities, and what can workers do to keep themselves safe?

Tim: Construction businesses have to meet the OSHA requirements for trench and excavation safety. To make the trench safe takes more time, more manpower and more labor. Ultimately, safety costs money, which is a challenge for small business in particular.

But the implications for failing to meet the requirements comes with an even bigger cost. Worker safety notwithstanding, the Department of Labor and the Department of Justice now agree that if a fatality occurs on a job site due to a willful violation of an employer, it is now a criminal act.

However, workers are equally responsible for their safety. They are also accountable for their actions. If a trained worker willfully gets into that trench, knowing it’s unprotected, they’re just as culpable as the company that put them there.

In short, the employer’s responsibility is to make sure individuals are trained at work and the employee’s responsibility to understand and follow those requirements.

Roco Rescue: What are three things attendees at your upcoming course at the NDSC Annual Conference can expect to take away from your presentation?

Tim: First, don’t take trench and excavation lightly. There’s a risk that comes with saying, “We’ve always done it this way.”

Second, they’ll leave with an understanding of OSHA’s trench/excavation competent person requirements.

Third, they’ll understand the requirements of AHJ (the authority having jurisdiction), which is generally the host employer. The AHJ is the entity that must deem someone a competent person. As an instructor, I don’t have that authority. Taking my class doesn’t qualify someone as a competent person.

Roco Rescue: How will the course you’re giving at the NDSC Annual Conference differ from Roco Rescue’s training courses in trench rescue?

Tim: At the Roco Training Center, we offer open enrollment courses in trench rescue and can even do a private training based on a specific industry. Our courses teach how to construct a trench so that it won’t collapse and, if it does collapse because of some catastrophic event, teaches workers ways to protect themselves.

Both the courses at the Roco Training Center and my course at the NDSC Annual Conference are focused on compliance, but the course at the NDSC is geared toward a broader audience.

Roco Rescue: What’s your final piece of advice for trench workers, Tim?

Tim: It’s simple: until you know it’s safe, don’t get in the trench.

Roco Rescue: Thank you so much for sharing your knowledge and expertise with us, Tim.

For more information about Roco Rescue’s open enrollment or private training courses in trench safety and trench competent person, check out our training options. 

Welcome readers to the first installment of “Roco Chats with the Experts”. My name is Pat Furr and today we are honored to have Lieutenant Frank Brennan of the Seattle Fire Department share his thoughts on the importance of technical rescuers being physically fit.

In this article, you’ll learn about a new physical fitness training program implemented by the technical rescue company at the Seattle Fire Department, and ideas that may help you start a fitness program with your own team – whether you’re a municipal firefighter or a member of an emergency response or firefighting team at an industrial facility.

Frank has been with the fire department in Seattle, Washington for 27 years and has spent all but a few years of that time on the rescue company. The rescue company is trained and equipped to provide public safety dive, tunnel and rebreather, tower, rope rescue, structural collapse, trench, confined space, commercial and machinery entrapment rescue. The company cadre also delivers structural collapse training to the three-county area. Frank sits on the National Fire Protection Association (NFPA) Technical Committees (1006 and 1670), the bodies that set standards for firefighter training and safety, and he was directly involved with the recent revisions to these standards. He is also a Rescue Team Manager on WATF-1 USAR Task Force and is a member of the Seattle FD Aviation Team.

When I asked Frank if he would consider contributing to our inaugural “Chat with the Experts” he enthusiastically agreed but with one point of clarification, and that is, he doesn’t consider himself an expert. So, I will attest to the fact that Frank is a lifelong student of his trade and is a true craftsman.

Pat Furr: Welcome Frank, and thank you for taking the time to discuss this topic with us. In my 38 years of being involved with various types of technical rescue, it is obvious to me that there are several elements that make a great rescuer and rescue team. First and foremost is quality training, both initial and continuing training specific to the type of rescue that may be required. Then there is equipment selection, and we both know that there are numerous tools available to today’s rescuers.

But one thing that I am afraid gets overlooked is the overall physical fitness of our rescuers. I’ve always had the philosophy that when we show up to the scene of a rescue, we are assets. I do not want to have any deficiencies that would cause my value as an asset to become a liability. That applies to training, leadership, and equipment, but in several cases, it may be due to a lack of physical fitness. Do you see any signs that some rescuers may not be as fit perhaps as they should be?

Frank Brennan: Pat, it’s hard to speak for anyone else, but I know that I personally have come up against the hard realities of the expectation/performance gap. I think task-specific physical, psychological and emotional conditioning may be the most challenging components of our job. In some way every manipulative training session should provide some insight to where you are in the scale of personal preparation, so ideally every session would require the humility to stare into that gap. So yes, I would say sometimes I see a wider gap than I am comfortable with, both in myself and others.

PF: One thing that we sometimes forget is that technical rescues can be quite taxing physically. Not just the strength and endurance that may be required, but also our tolerance to heat and other physical and emotional stressors. I think this is proven by the high rate of fatalities due to cardiac events amongst our firefighters and rescuers, both during actual responses and also during training.

FB: You have touched on a core issue of firefighter/rescuer health and safety. While I am most familiar with the information associated with the fire service based rescue model, I think the findings would extend to the entire community of rescuers serving the public.

The combination of chemical responses to the multiple external stressors places demands on the inner workings of our physiology that we don't always appreciate. Our training should extend beyond our ability to simply master a skill; it should help us master the delivery of the skill in the predicted environment. Just as we provide tools to rescuers in training to perform a task, we should leverage the training to give rescuers tools to measure and build their ability to master their emotional, psychological and physiological response to performing the skill in a demanding, but controlled environment.

Our training should extend beyond our ability to simply master a skill; it should help us master the delivery of the skill in the predicted environment.

As it stands now we are frequently guilty of leaving our people on their own to sort this out, often with the risk of stigma from identifying gaps in their performance they want to close. We are prone to overlook the obvious and make assumptions that are unhealthy or are not data-driven. As an example, we recently had a discussion revolving around the need for rescuing firefighters from burning buildings. Our training scenarios often focus on out-of-air emergencies or entrapment, which are of course important considerations, but we tend to overlook the leading cause which is a cardiac event. We realized that we hadn't really closely considered it as a component of the risk/reward profile of our actions. What are the needs? How do our predicted actions fill the need?

In this case, it has resulted in including drills to initiate CPR as early as possible and sustain it through the entire process of disrobing the downed firefighter after removal from the building. Which turns out is harder than you might think unless you are practiced in it. This discussion has also contributed to a heightened awareness of cardiac events and prevention efforts.

PF: I understand that your department has instituted a new program to encourage better overall physical fitness. Would you care to share a little about that program, what seems to work best and the successes you may have already seen?

FB: Well it’s just inside the rescue company right now, although we have a department and a union that places a strong emphasis on health and wellness, so it’s fertile ground.

I personally had to start with managing expectations. I have come to realize that a physical conditioning program built around long, grueling workouts at the firehouse would not be successful in the long term. There simply is not enough free time during the shift and the scheduling of the shifts is not frequent enough to really improve or condition anyone.
There are additional complications of having to perform at an emergency, and real conditioning while on duty would take people to a place that might undermine their ability to perform at an incident during the shift. Not to mention that the fitness plan is subject to the competing and ever-changing schedule of the day. So, the thought was to move towards shifting culture and awareness. I wanted the members of the crew to have an opportunity to examine their own capabilities and use this examination as a gauge for their personal plan away from the station. I was lucky enough to have Chris Stone as a new member of my crew who was experienced as an athlete, peer fitness trainer and had developed and implemented corporate training plans in his prior career. His insight and experience allowed us to implement a plan that met my criteria:

PF: I am a big believer in positive reinforcement and peer encouragement. I know through personal experience that it is difficult to get into the habit of exercising regularly, and it is just as tough to eat the right things. Do you feel there is value in a program that gradually builds better habits versus one that jumps in full throttle right from the start? And do you have any advice to help encourage our peers to stick with it?

FB: You have hit the nail on the head. What is often seen as an obstacle can be leveraged as an asset. Every crew is different, so it’s hard to have a set formula. The key is to let the work drive the workout. If you drill regularly on the functional elements of the job, it’s easy for people to draw the line between the preparation and the performance. With a few exceptions, solo programs are much more fragile. Whether it’s an individual relying on themselves for motivation and direction for a workout routine or framing physical fitness without the context of how it impacts the work, there is little redundancy or depth.

PF: Thank you so much, Frank. You have made several valuable points and I think a couple of the most valuable ones are to make the connection between physical preparation and the performance requirements of the job. That point alone holds a lot of value. Also, I really like the idea of a program that revolves around timed stations where each individual does as many reps as they feel comfortable with. This isn’t a competition but will give each individual a gauge as to where their personal fitness is currently and will give them a goal to aim for. All great stuff, Frank.

Make the connection between physical preparation and the performance requirements of the job.

Well, that wraps up our first installment of “Roco Rescue Chats with the Experts,” and what a start having someone like Lieutenant Frank Brennan as our inaugural guest. Thanks once again, Frank, and I hope you can come back and speak with us again in the future.

In Part I of this article, you heard my point of view on a rescuer’s obligation to be physically fit. In this follow-up piece, I outline concrete ideas to help you reach your fitness goals, broken into three components of wellness: exercise, diet, and lifestyle.

In January of last year, I wrote a piece called The Fit Rescuer & Why It's Important, and it was one of my most widely-read articles, so I thought I would tackle the topic again this year. The information in this article applies to all rescuers; whether you're a member of an emergency response team at your plant, a paramedic or a firefighter, you can benefit from learning more about fitness.

Our congratulations to the Burlington (Iowa) Fire Department on a successful grain bin rescue that happened in their community back in May of this year (2018). The incident was reported on Firehouse.com.

The Burlington Fire Department responded to an incident with a man trapped up to his neck inside a corn grain bin in a rural area. Upon arriving at the scene, the initial ambulance unit spoke with the victim’s son who told them that his father was buried up to his armpits inside the bin. The son had thrown a rope down to his father to prevent slipping further down into the corn. Fortunately, the victim remained calm and was able to communicate with the responders.

The bin, designed to hold up to 30,000 bushels of corn, was two thirds full on that morning.

Responders used a Res-Q-Throw Disc typically used in water rescue to lower an O2 bag with an attached non-rebreather mask to the victim.