PPE-volution – How the Golden Gate Bridge Inspired PPE

America’s Industrial Revolution and ingenuity brought about many important advances in worker safety and PPE (Personal Protection Equipment).

At the start of the American Industrial Revolution, worker safety and health were nowhere near the priority they are today. As manufacturing grew, so too did worker injuries and deaths. The idea of safe work grew slowly from a small glimmer to a bright flame inside the collective consciousness of the American workforce.

Although the creation of OSHA regulations was many decades away, the evolution of PPE progressed on its own with the creation of new types of protective devices and advancements in pre-existing devices. Much of this early PPE had a major influence on worker safety’s advancement and will continue to do so.

Hard-Headed PPE Golden Gate Bridge
San Francisco’s Golden Gate Bridge, built in 1933, is an excellent early example of PPE’s influence on safety. Constructing a cable-suspension bridge that was 4,200 feet long was a task that had not been attempted before, one that presented many hazards. The project’s chief engineer, Joseph Strauss, was committed to making its construction as safe as possible.

The bridge’s construction played a particularly significant role in the successful development of one form PPE: It was the first major project that required all of its workers to wear hard hats. Although the hard hat was in its infancy at the time, head protection wasn’t new; gold miners had learned long before the importance of taking steps to protect against falling debris. Michael Lloyd, head protection manager at Bullard – a company in business since 1898, said many early miners wore bowler hats, which were hard felt hats with rounded crowns. Often dubbed “Iron Hats,” these were stuffed with cotton to create a cushioning barrier against blows.

Inspired by the design of his “doughboy” Army helmet, Edward Bullard returned home from World War I and began designing what was to become known as the “hard-boiled hat.” The hat was made of layered canvas that was steamed to impregnate it with resin, sewn together, and varnished into its molded shape. Bullard was awarded the patent in 1919. Later that year, the Navy approached Bullard with a request for some sort of head protection for its shipyard workers. The hat’s first internal suspension was added to increase its effectiveness, and the product’s use quickly spread to lumber workers, utility workers, and construction workers. By the time of the Hoover Dam’s construction in 1931, many workers were voluntarily wearing the headgear. Soon after, the Golden Gate Bridge construction provided a true test of the hard hat’s protective capability because falling rivets were one of the major dangers during the project.

Other innovations came in the form of different materials. In 1938, Bullard released the first aluminum hard hat. It was more durable and comfortable, but it conducted electricity and did not hold up well to the elements. In the ’40s, phenolic hats became available as a predecessor to fiberglass hats. Thermoplastics became the preferred material a decade later for many head protection products; it’s still used by many manufacturers today.
PPE-Hard-hats
From Left to right: Vintage Bullard Miners hats, Vintage Bullard Hard Boiled Hard Hat 1930’s (Used on the Golden Gate Bridge Project, Hard Boiled aluminum Safety hard hat w/Liner and a current day hard hat

In 1953, Bullard introduced the process of injection-molded hats. “Before, [thermoplastic] was kind of laid out on a mold. In the injection-mold process you actually have a closed mold that you pump into. It makes a more consistent helmet and a higher-quality product, which in the long run is also going to be the same thickness all the way through. It’s going to be a safer helmet,” Lloyd said.

Despite the hard hat’s effectiveness and relatively low cost, its use wasn’t officially required at most job sites until the passage of the Occupational Safety and Health Act in 1970. OSHA’s head protection standard, 1910.135, obligated employees to protect workers and instructed manufacturers and employers to turn to the American National Standards Institute’s Z89.1 standard for the appropriate usage guidelines.

Many new materials have since been created, such as the use of General Electric’s high-heat-resistant polyphthalate-carbonate resin in firefighters’ helmets. New hard hats have been designed that provide side protection, which are designated type 2 hats in ANSI Z89.1. “A hard hat was originally designed to protect if something falls from that sky and hits you in the head,” Lloyd said. “But what happens if you run into something? What happens if you bend over and something hits your helmet?”

Because hard hats are a mature market, except for the development of other materials, most innovations will be comfort features and technologies enabling them to withstand different temperature extremes, Lloyd predicted. Easier-to-use designs are appearing that allow users to adjust a hard hat’s suspension with one hand. In the last couple of years, manufacturers have come up with different types of vented helmets designed to help workers keep cool. Hats are accessorized with attachable face shields, visors, and ear muffs, and some have perspiration-absorbing liners. Some come with AM/FM radios, walkie-talkies, and camcorders.

Netting a Safe Return
Although primitive by today’s standards, the solution for the problem of falls also was addressed during construction of the Golden Gate Bridge. Three years into the construction, delays had convinced Strauss to invest more than $130,000 (these were Depression-era dollars, remember) on a vast net similar to those used in a circus. Suspended under the bridge, it extended 10 feet wider and 15 feet farther than the bridge itself. This gave workers the confidence to move quickly across the slippery steel construction. There were reports of workers being threatened with immediate dismissal if found purposely diving into the net.

Strauss’ net was heralded as a huge success until the morning of Feb. 16, 1937, when the west side of a stripping platform bearing a crew of 11 men broke free from its moorings. After tilting precariously for a moment, the other side broke free and the platform collapsed into the net, which contained two other crew members who were scraping away debris. One platform worker, Tom Casey, managed to jump and grab a bridge beam before the platform fell; he hung there until rescued. The net held the platform and the others for a few seconds before it ripped and fell into the water. Two of the 12 men who fell survived.

Read the original article here.

At Hercules SLR we provide a wide range of PPE solutions, from Lanyards and harnesses, to hard hats and rescue equipment.  We also repair, service and certify PPE equipment. We stock leading industry brands and can provide you with expert advise on your PPE options depending on your project. Call us on 1-877-461-4876 for more information.

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

Get To Know Your Trainer – Lou Gould, CHSC

Lou Gould-Header

Lou Gould, CHSC is one of our highly experienced Training Specialists. We sat down with him to find out more about him and how he decided to choose training as a career path.

Tell us about your educational background?

Lou: I have established great relationships with the leading manufacturers in safety personal protective equipment. This has allowed me to be involved in
Lou Gould 2many product development discussions providing industry feedback and application recommendations. I have had the opportunity to visit and view their manufacturing processes and facilities enabling me to understand their operations, business model and product offerings. I have participated in numerous hours of product training enabling me to consult and educate to my clients with knowledge, experience and the confidence to recommend the appropriate product for the task.

I am a member of the Canadian Society of Safety Engineering and have achieved the Certified Health and Safety Consultant (CHSC) designation. I currently sit as the Vice Chair on the executive committee for the NS Chapter of the CSSE.

I have achieved the Certificate in Health, Safety and Environmental Processes (CHSEP) from the University of Fredericton.

Certified trainer in Fall Protection, High Angle Rescue, Forklift, Aerial Platform, Telehandler and Respiratory Fit Test Administrator. I have completed courses in Adult Education and instructional design.

What made you decide to enter into this industry?

Lou: Very early in my career I realized that most of the personal protective equipment purchases were made with little or no thought to the hazard, task and application. Customers were purchasing products and training as an afterthought or a directive with little or no explanation. To be blunt: “to get this off their plate” or because someone “told me to”. I found myself researching the task, hazards and applications for the clients and recommending the appropriate products to mitigate their risk while educating them. This became my doorway to evolve from product sales to Health and Safety consulting and training. I have a passion to help and educate. Every day I feel great knowing I am helping someone work safe and go home to their family.

Can you tell us about your work experience before joining Hercules SLR?

Lou: I have been in the industry since 1994 and have held various roles from Inside Sales, Purchasing, Account Manager, Management and currently Consultant and Trainer. This has allowed me to understand the basis of all business aspects and how health and safety is an integral part to ensure the health of the business and the personnel. I have always been a builder of things and enjoy seeing plans and people grow and prosper.

I have created safety divisions within companies. I have constructed training facilities complete with classrooms and practical exercise areas as well as designing and delivering training courses. As I worked to increase service offerings I have created rental and inspection programs. All these roles have given me the tools to be an effective health and safety consultant and trainer.

What made you want to transition into training?

Lou: I am naturally a storyteller and enjoy being in front of people sharing stories and getting to know each other. I pride myself on providing a positive, nurturing and comfortable environment in which the students can become engaged and educated.  It is very important to me to provide superior knowledge transfer to my students and give them another tool in their toolbox to complete their task safely and efficiently.

Why did you decide to work for Hercules SLR?

Lou: Hercules SLR has a great reputation and is respected in the industry. They have a great company focus and allow the employees growth personally and professionally. It is very important to me to work for a company that provides for all aspects including  design, supply, install, inspection, certification, consulting and for course TRAINING! Hercules SLR does it all.

Where have you traveled during your time as a training specialist for Hercules SLR?

Lou: I support all our branches across Canada and we can offer training for all regions. Most of my time is spent in Ontario and Atlantic Canada.

Where have you enjoyed traveling to most for training?

Lou: Houston, Texas USA was fantastic! Great weather, great food and a good bunch of guys on the course. Also, Long Harbour NL is beautiful place with great people.

Is there anywhere that you would like to travel to in the future with Hercules SLR?

Lou: Vancouver would be great in mid-winter! Anywhere in the US would be exciting.

Lastly, is there anything that you hope to accomplish during your career in the industry?

Lou: I am committed to continue to invest in myself while increasing my accreditation as part of my personal success plan. Displaying leadership, integrity and character will allow me to remain at the top of the safety industry and retain respect from my peers, colleagues and competitors.

 

Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

We have the ability to provide any solution your business or project will need. Call us today for more information. 1-877-461-4876. Don’t forget to follow us on Twitter, LinkedIn and Facebook for more news and upcoming events.

 

PPE Fall Protection in North America

Hercules SLR

PPE Fall Protection: the early lanyard

PPE Fall Protection devices were used in the early 20th Century by many professionals, although they used rope lanyards made of natural fibers, such as manila hemp, and simple body belts with no shock-absorbing properties. Clarence W. Rose–who early in his career was a window washer–became a pioneer in fall protection when he started the Rose Mfg. Co. in 1934 and began producing safety belts and lanyards for window washers. On Nov. 24, 1959, Rose was awarded a patent for an easy-to-use cable connector for safety belts that also had some shock-absorbing properties (U.S. Patent 2,914,139). Listed in the patent was a statement that the connector could, among other things, “be adapted to slip somewhat responsive to a sudden jerk as when the safety rope checks the fall of a wearer and thereby eases the shock to the wearer incurred by checking the fall.”

PPE Fall Protection
Madison Avenue Window Cleaner

PPE Fall Protection: shock-absorption major leap forward

Joseph Feldstein, manager of Technical Services at MSA, which purchased the Rose Mfg. Co. in 1996, said the idea of a shock absorber was a major step forward in protecting against the large braking forces generated in arresting falls, especially during Rose’s time.

“If you can imagine, workers with a simple belt and lanyard arrangement that was common up until that point would be exposed to a fall that could not only damage them internally because of the forces exerted to the soft tissues of the abdomen around the belt, but also you could generate such forces that you could separate the lanyard,” he said.

Rose continued to develop his shock-absorbing concept and was awarded several patents for newer and better shock absorbers. Ultimately, his designs influenced the creation of the modern-day shock absorber. Rose also received many other patents related in some way to preventing or protecting workers from falls. An example is the patent for an early “Ladder Climber” harness system (U.S. Patent 2,886,227) that contains two hook lanyards that are both attached to a harness. While ascending or descending, a worker grasps one hook in each hand and secures them over alternating ladder rungs.

Decades later, the industry would see the emergence of locking snap hook connectors and full-body harnesses, both gaining much more acceptance in the 1980s. In 1990, OSHA enacted regulation 1910.66. Craig Firl, product marketing manager in Hardgoods for Capital Safety-USA, said appendix C in this regulation was the key to getting several areas of fall protection technology up to date.

“Even though that particular standard at that time allowed for non-locking-type hooks to be used in a fall protection-type system, they recommended the locking type to be used because they were safer hooks and more compatible,” Firl said.

PPE Fall Protection: more hardware than ever

Feldstein agreed, adding that the acceptance of the locking snap hook led to the creation of a whole new series of connecting anchorage systems: straps, D-rings, and more. “And that’s continued to evolve to its current state, where we now have personalized anchorage connectors for almost every application, whether it’s building construction or general industry,” he said. Even though body belts were still allowed, Feldstein said appendix C acknowledged that OSHA recognized full-body harnesses as a major innovation in fall arrest. “Belts are still permissible in positioning, but in a fall, you definitely want to be protected by a full-body harness. It distributes the load across your chest and the bony mass of your hip, where your body is most capable of absorbing a blow, and it protects the soft tissue of the abdomen,” Feldstein said.

Two years after 1910.66 arrived, the ANSI committee released standard Z359.1, the key fall protection standard in use today. Most notably, it required the use of full-body harnesses and self-locking snap hooks. Firl said this voluntary compliance standard put pressure on OSHA to recognize that its existing standard needed updating and encouraged the completion of another fall protection standard for the construction industry, Subpart M, in 1995. According to this standard, as of Jan. 1, 1998, the use of body belts and non-locking snap hooks was prohibited.

During the ’80s, Self-Retracting Lanyards (SRLs) gained in development and use. They had been developed in the 1950s for offshore oil production in the North Sea but quickly became a common component in fall protection systems worldwide. Feldstein said SRLs became so valuable because they allowed workers to be protected along a much greater length of travel, increasing productivity without sacrificing safety. He described a scenario for rail car workers:

“Workers could be protected from the ground level and all the way up to the top of the rail car while they were working along the train’s length because the SRL could be mounted mobilely overhead. So that afforded a new type of protection for all types of workers in transportation, everything from rail cars, truck load-outs, and air craft maintenance.”

Regarding fall protection’s future, Firl and Feldstein said they believe comfort will continue to advance. Firl also foresees advances into niche markets with specialized materials and components, similar to the vacuum anchors’ progression into the airline industry for maintenance work on aircraft, whose surfaces can’t be penetrated with traditional-type anchors.
“In the past, a harness was a harness. It didn’t really matter if it was for construction, or utility work, or warehousing, it was a harness,” he said. “Now, you’re starting to see more specialized gear. . .  As an example, in the utility segment, you would see extensively the use of flame-resistant materials . . . because they’re concerned about heat resistance; they’re concerned about being able to resist arc flash and so forth.”

At Hercules SLR we stock MSA, 3M and Honeywell Miller PPE and fall protection products, to provide you with an extensive, high quality range of PPE Fall Protection products. Our in-house experts will advise you on what equipment best suits your project. When it comes time for your yearly inspections and service, our technicians can inspect, repair and certify your gear. For more information on our Fall Protection products and Services, please call: 1-877-461-4876.

References
https://ohsonline.com/Articles/2007/01/01/PPEvolution.aspx?Page=4

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

A Brief History of Elevator Wire Ropes

The humble hoisting rope occupies a unique place in the history of vertical transportation. A simple hemp rope lies at the center of one of the best-known elevator stories — Elisha Graves Otis’ demonstration of his Improved Safety Device at the 1854 Crystal Palace in New York City.

Currently, a sophisticated carbon nanotube “rope” is the primary innovation driving the conceptual (and possibly literal) development of the proposed “space elevator”. However, the wire rope retains pride-of-place in elevator history as the longest-serving suspension means. It is the subject of numerous 19th-century articles that questioned its safety, and has been featured in countless contemporary books, movies and TV programs that predicate disaster on its failure. Today, we look at the introduction of wire elevator ropes in the 19th century and its development into the 20th century.

The invention of wire rope more-or-less paralleled the invention of the passenger elevator, and, by the 1870s, wire rope had become the rope of choice for elevator use. Since they were new, both the elevator and wire rope faced similar challenges regarding safety concerns. The older hemp hoisting rope had a long history of use, and its strengths and weaknesses were well known. However, a rope made of wire was an entirely different matter. This difference was effectively summarized in the June 22, 1878, issue of American Architect and Building News, which included a brief article on elevator ropes. The article expressed the primary concern in its opening sentence:

“The sudden introduction in our large cities of elevators, most of which are hung by wire ropes, has led people to wonder what will happen when they have had a year’s wear, and why there should not, after a while, be a breaking of ropes, and consequent accidents all over the country.”

The key concern centered on the endurance of wire rope and its reaction to constant and repeated bending as it passed around winding drums and over sheaves. One of the aforementioned article’s key assumptions was that “everybody knows, at least, that reiterated bending weakens wire, whether it be by granulation or by the constant extension of its fibers.” The challenge was, in spite of “knowing” that this action occurred, there was no easy way to judge when a rope was no longer safe for use.

The ICS author also addressed rope replacement, noting that “particular attention must be given to the fastenings.” The chief recommendation was to “carefully reproduce the joint as it was originally made” by the elevator manufacturer. A typical shackle used by Otis Elevator is described below in figure 1.

Figure 1: “Otis Elevator Co. Shackle,” ICS Reference Library (1902).

It consists of a split rod, the two legs A, A of which are bulged out and provided with noses at the ends. A collar B straddles the legs and eventually abuts against the noses. The rope is brought through the collar, bent over a thimble C, and passed back again through the collar, after which the free end is fastened by wrapping with wire. The wrapped end of the sections that address elevator ropes serves as a reminder that different elevator systems required different types of rope:

Chapter 1: Standard Methods and Facilities for Testing Wire Ropes
Chapter 2: Materials Composing Wire Rope and Their Properties
Chapter 3: Standard Types of Wire Rope Construction
Chapter 4: Variety of Uses of Wire Rope
Chapter 5: Mechanical Theory of Wire Rope
Chapter 6: Practical Hints and Suggestions
Chapter 7: Instructions on Ordering Wire Rope
Chapter 8: Typical Applications of Wire Rope in Practice

“When ordering rope for elevators, state whether hoisting, counterweight, or hand or valve or safety rope is wanted, also whether right or left lay is desired. The ropes used for these purposes are different and are not interchangeable.”

The diversity of elevator ropes was reflected in the design of American Steel & Wire’s standard hoisting rope, which was produced in six grades or strengths: Iron, Mild Steel, Crucible Cast Steel, Extra Strong Crucible Cast Steel, Plow Steel and Monitor Plow Steel. The company’s standard iron rope was primarily designed for use on drum machines and was “used for elevator hoisting where the strength is sufficient” (Figure 2). It was also described as “almost universally employed for counterweight ropes, except on traction elevators.” Their Mild Steel Elevator Hoisting Rope was designed “especially for traction elevators in tall buildings where, on account of [the] usual quick starting and stopping, a stronger and lighter rope is required.” Shipper or control ropes (also called tiller or hand ropes) differed from standard ropes in that they were composed of six strands of 42 wires each, which were wrapped around seven hemp cores (Figure 3).

wire rope figure 3 and 4

Figure 5: “Side Plunger Hydraulic Elevator,” American Wire Rope: Catalog & Handbook, American Steel & Wire (1913).

wire rope fig 5
Figure 5

In addition to providing detailed information on a wide variety of wire ropes, the catalog included schematic drawings that illustrated their proper application. These included 17 elevator-related drawings that depicted direct-, side- and horizontal-plunger hydraulic elevators; geared and traction electric elevators; and electric and belt-driven worm-geared elevators. The drawings’ emphasis on the application of wire ropes makes them a unique resource. Two versions of direct-plunger elevators were depicted — one with a shipper rope and one with an in-car controller — and the presence of two elevation drawings for each system permits a thorough understanding of these elevators (Figure 4). The same level of detail was provided for side-plunger hydraulic elevators (manufactured by Otis) and horizontal-plunger hydraulic systems (Figures 5 and 6).

Figure 6: “Horizontal Hydraulic Elevator,” American Wire Rope: Catalog & Handbook, American Steel & Wire (1913)

Figure 5
Figure 6

The electric elevator drawings are of particular interest, because, in 1913, they represented the newest systems on the market. The electric drum machine featured an interesting array of sheaves for the car and counterweight ropes, while the worm-gear machine employed a winding drum located near the midpoint of the shaft (Figures 7 and 8). The traction elevator drawing effectively illustrated its inherent simplicity and the potential of this new design (Figure 9).

The variety of elevator types illustrated in American Steel & Wire’s catalog represented the diversity of elevator systems prevalent in the early 20th century, as well as the importance of wire rope to their operation. Part Two of this article will follow this story through the 1930s, which encompasses the continued development of the traction elevator and the writing of the first elevator safety codes.

Figure 7: “Electric Drum Machine,” American Wire Rope: Catalog & Handbook, American Steel & Wire (1913).

Figure 7

Figure 8: “Worm Gear Electric Elevator,” American Wire Rope: Catalog & Handbook, American Steel & Wire (1913).

figure 8

Figure 9: “Traction Elevator,” American Wire Rope: Catalog & Handbook, American Steel & Wire (1913).

Figure 9

Original article can be found here at Elevator World Inc. 

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

 

 

Stopping the Drop – Pioneer, Elisha Graves Otis

Elisha-OTIS-1854-Platform

Elisha Graves Otis (August 3, 1811 – April 8, 1861) was an American industrialist, founder of the Otis Elevator Company and inventor of a safety device that prevents elevators from falling if the hoisting cable fails.

Otis

Early years

Otis was born in Halifax, Vermont, to Stephen Otis and Phoebe Glynn. He moved away from home at the age of 19, eventually settling in Troy, New York, where he lived for five years employed as a wagon driver. In 1834, he married and went on to have two children, Charles and Norton. Later that year, Otis suffered a terrible case of pneumonia which nearly killed him, but he earned enough money to move his wife and three-year-old son to the Vermont Hills on the Green River.

He designed and built his own grist mill, but did not earn enough money from it, so he converted it into a saw mill, hoping for better results, but sadly it still didn’t attract customers. Now having a second son and needing to support his family, he started building wagons and carriages. His wife later died, leaving Otis with two sons, one at that time being age 8 and the other still in diapers.

Success and setback

At 34 years old and hoping for a fresh start, he re-married and moved to Albany, New York. He worked as a doll maker for Otis Tingely. Skilled as a craftsman and tired of working all day to make only twelve toys, he invented and patented a robot turner. It could produce bedsteads four times as fast as could be done manually (about fifty a day). His boss gave him a $500 bonus. Otis then moved into his own business. At his leased building, he started designing a safety brake that could stop trains instantly as well as an automatic bread baking oven.

He was put out of business when the stream he was using for a power supply was diverted by the city of Albany to be used for its fresh water supply. In 1851, having no more use for Albany, he first moved to Bergen City, New Jersey (now part of Jersey City) to work as a mechanic, then to Yonkers, New York, as a manager of an abandoned saw mill which he was supposed to convert into a bedstead factory.

Lasting success

At the age of 40, while he was cleaning up the factory, he wondered how he could get all the old debris up to the upper levels of the factory. He had heard of hoisting platforms, but these often broke, and he was unwilling to take the risks. He and his sons, who were also tinkerers, designed their own “safety elevator” and tested it successfully. He initially thought so little of it he neither patented it nor requested a bonus from his superiors for it, nor did he try to sell it. After having made several sales, and after the bedstead factory declined, Otis took the opportunity to make an elevator company out of it, initially called Union Elevator Works and later Otis Brothers & Co.

No orders came to him over the next several months, but soon after, the 1853 New York World’s Fair offered a great chance at publicity. At the New York Crystal Palace,

Otis amazed a crowd when he ordered the only rope holding the platform on which he was standing cut.

Elisha_OTIS_1854
Otis free-fall safety demonstration in 1854

The rope was severed by an axeman, and the platform fell only a few inches before coming to a halt. The safety locking mechanism had worked, and people gained greater willingness to ride in traction elevators; these elevators quickly became the type in most common usage and helped make present day skyscrapers possible.

Otis Elevator Shackle
“Otis Elevator Co. Shackle,” ICS Reference Library (1902).

After the World’s Fair, Otis received continuous orders, doubling each year. He developed different types of engines, like a three-way steam valve engine, which could transition the elevator between up to down and stop it rapidly.

Last years and death

In his spare time, he designed and experimented with his old designs of bread-baking ovens and train brakes, and patented a steam plow in 1857, a rotary oven in 1858, and, with Charles, the oscillating steam engine in 1860. Otis contracted diphtheria and died on April 8, 1861 at age 49.

Ref: Wikipedia

 

 

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

Rope Grab: 6 fall protection tips from Hercules SLR

rope-grab-3m-fall-protection-safety

Working at height? You have different options when it comes to connectors that aid in fall arrest and fall restraint—a rope grab is a popular option. 

Rope grabs are a popular option because they’re often more cost-effective than SRLs (self-retracting lifelines), they allow for mobility in restraint situations, their lifeline length is longer and they can be used beyond the length of the longest SRLs.

Rope grabs are critical to many fall protection plans—read more to find out top six tips you need to know when using a rope grab.

Rope Grabs: top 6 tips

  1. 30” connectors are integral

CSA Z259.2.5-17 is a new CSA Standard that relates to rope grabs and certification for use. Users are required to use a 30” connector which is now integral to the unit. The new Standard tests for  maximum arresting force (MAF) which is included in the scope of testing  and most units will incorporate an energy absorber into the connector to meet that need.

  1. 6’ lanyards are not safe

Convention has dictated that 6-foot lanyards be used in fall arrest systems but in reality, this is very unsafe in the event of a fall on a rope grab.

When a 6-foot lanyard is used, the potential free fall on a trailing (automatic) rope grab can be 12 feet, which is considered a factor 2 fall. Using a regular energy absorber, the falling user would fall through the energy absorber and continue their fall into the backup lanyard, in essence, creating a second free fall. In certain cases where the lifeline isn’t matched to the rope grab, the potential for  damaging the lifeline also exists. This would be considered a catastrophic failure that could lead to injury or death.

This is why it’s of the utmost importance to follow manufacturer instructions for lanyards. Manufacturers will outline the proper connector length limit, which is 30” in Canada and may differ elsewhere.

  1. Rope grabs should always be matched to a lifeline – and tested!

We cannot overemphasize the importance of matching a rope grab with a proper lifeline and then testing it to ensure it will do its job in the event of a fall.

The testing process helps us verify a few important things:

  • Mobility of the rope grab on the lifeline. This ensures the mobility is not jeopardized by the type, stiffness or flexibility of the lifeline which could prevent the rope grab from snagging and being pulled along during the climb of the user, causing a longer free fall.
  • That the lifeline will survive the impact of a fall and allow the user the opportunity to be rescued. When a lifeline is broken during a fall, the odds of the user surviving the fall are low.
  • The rope grab is compatible with the lifeline. Even though a lifeline might look another manufacturer’s  lifeline, the yarn content within the rope of the lifeline may not be  the same. Therefore properties of mobility, tensile strength and wear may not be the same and the rope grab might not function properly on it.
  • That the lifeline is designed to be used as a lifeline. Polypropylene, or store bought yellow  ropes do not function well as lifelines. They are not UV protected and tend to deteriorate quickly. They also “fur” and harden at an accelerated rate when compared to approved lifelines.
rope-grab-fall-protection
3M™ Self Trailing Rope Grab
  1. The difference between using a rope grab for fall restraint and fall arrest

In general, it is better to use a manual rope grab for fall restraint. This is because manual adjustment allows a lifeline to be set at a specific length with an appropriate setback from fall hazards. Trailing rope grabs, or automatic rope grabs, can often open/unlock (even while in the park feature) and allow the user to surpass the setback zone and enter a fall hazard area. Tying a knot in a lifeline to help locate a trailing rope grab is not an option. Doing so can reduce the strength of the rope by 50% and the strength loss is permanent. Undoing the knot does not restore lifeline strength.

Using a rope grab for fall arrest can be served by a manual or automatic unit, depending on whether or not vertical mobility is required. If vertical mobility is required, a trailing, or automatic, robe grab is ideal while a manual rope grab is better suited for when horizontally-oriented mobility is required in restraint.

  1. Safe movement from lifeline to lifeline should be anticipated

In certain fall restraint applications, it’s important to understand the process of movement from one lifeline to another.  If required, consider the following:

  • Plan the work zone so that users understand where the transfer points are and the process with which to proceed with the transfer.
  • The transfer point should be well back of any fall hazard and should provide an intermediate anchorage with which to make the change. Sometimes this will require the user to carry a second rope grab as part of their toolkit to complete the transfer from one lifeline to another.
  • Other transfer options many include: tying off to an anchor with a lanyard in order to facilitate the transfer from one lifeline to another. That lanyard can then be removed and the user  can return to work.
  1. Proper maintenance and storage is crucial

Like any tool, proper storage and maintenance of a rope grab is important to ensure the efficacy of the rope grab and the lifeline.

Rope grabs should be stored in a cool, dry place out of the sun and be kept away from dirt, grime, chemical contaminants and moisture.

When a rope grab is exposed to a dirty work environment, it is important to wipe it down with soapy water and leave it to air dry. This helps ensure that contaminants do not affect the operation of the rope grab and contaminate the rope channel.

Similar to rope grabs, lifelines must be keep clean and dry and stored in a similar environment. Grime and dirt in the yarn of a lifeline can cause breakdown, weakening or hardening of fibers, elongation and loss of strength. Chemical or debris contaminant will render the lifeline unusable, and it should be removed from service and replaced as this represents a failure during the inspection process.

 

Original article: https://safetytownsquare.3mcanada.ca/articles/rope-grabs-user-tips-that-matter

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

Tool Fall Protection: more important than you think

tool-fall-protection-safety-harness

Tool Fall Protection: confidence at heights

During Summer 2018, in Providence, Rhode Island ironworkers strapped on their fall protection—tool fall protection included, to start work on a major project.

“That guy’s nuts!” exclaims Steven Strychasz, a nearby civilian watching ironworkers work on the steel skeleton new Residence Inn Providence Hotel.

The guys who’s ‘nuts’? That’s Kyle Coulombe, 31 an ironworker who climbing 50-feet, with an 800-pound beam suspended over his head while working on the hotel.

Fall Protection: essential for working at height

Crane operator Steve Berube inches his hoist so Coulumbe can align a bolt hole at the end of a coloumn so the two will connect. Then, he walks along the beam to connect the other coloumn while the crane holds steady. Coulumbe attaches his safety line to the top flange of the beam. He now hangs from the crane hook by a cable. He resets his cable line, and continues working.

This amazes the crowd—his ability to seamlessly navigate and climb around the huge iron columns and beams.

What allows Coulumbe to do this with ease? His skills, his nerves, but mainly—the fall protection attached to his safety harness. His fall protection system not only keeps his body safe, but his tools too. Coulumbe carries approximately 60 pounds of tools in his harness daily, including nuts, bolts and a 9-pound sledge hammer.

tool-fall-protection-safety-harness

Fall Protection: it’s for your tools, too

Tool fall protection is also essential when working at heights. Many people don’t consider the damage or pain from, for example—a nine-pound sledge hammer falling on their head. However, according to Canadian Occupational Safety (COS) in 2013 there were nearly 9000 injuries caused by falling tools. 23 of these injuries were fatal.

Tool Fall Protection: do the math

To put this in perspective, COS suggests calculating with physics—they use a common, eight-pound wrench as example. If this wrench was dropped from 200-feet above, it would hit with 2,833 pounds per square inch of force—the equivalent of a Clydesdale horse hitting a one-square inch area. This is why tool fall protection is just as important as securing your body.

According to COS, the shape of a tool or equipment can have an equally disastrous effect. For example, a two-pound hammer could drop from a three-metre height onto a hard hat, and the impact would be minimal—but a two-pound sleever bar dropped from this height would go directly through the hard hat, and will puncture the skull.

Accidents don’t just happen from tools falling. Often, a worker attempts to catch his tool and can lose his balance, or drops the tool which then becomes a tripping hazard for unsuspecting workers below.

Next time you work at height, protect yourself, others and your tools with the right fall protection.

Read our blog on the importance of choosing a comfortable safety harness to ensure your fall protection fits properly.

References here: https://www.wireropenews.com/news-201808-When-Lives-are-on-the-Line.html
http://www.providencejournal.com/news/20180721/iron-men-love-their-jobs-bolting-together-future-in-providence
https://www.cos-mag.com/personal-process-safety/31597-objects-falling-from-heights-on-construction-sites-lead-to-injuries/

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

Hercules’ Tips: Is your Safety Harness Comfortable?

comfortable-safety-harness

A safety harness is a necessary evil for many workers, working across many different industrial trades. We understand—nobody likes to be uncomfortable during their work day.

However, proper equipment, like safety harnesses are key to getting the job one, reducing costs, injuries, and most importantly—getting home safely. Although necessary, heavy equipment can leave you sore, tired and less productive by the day’s end.

Lighter harnesses have been produced to reduce discomfort and give more mobility, however this hasn’t solved issues like injuries from fatigue, strain or repetitious movement. Workers must still carry heavy equipment, typically for 10+ hours a day—issues improper safety harnesses can exacerbate.

Check out this infographic to find out the real cost of injuries, wearing improper equipment (or wearing it improperly) and some of the biggest complaints surrounding safety harnesses. It also includes how to choose a safety harness that provides support and comfort, so you can remain productive and safe during your work day.

Find all your safety harness needs at Hercules SLR—including custom-fitted harnesses, fall protection training and more.

Are you Wearing a Comfortable Safety Harness?

safety-harness-fall-protection-ppe

Original article here: http://www.capitalsafety.com/caadmin/Pages/Rethinking-Productivity-and-Safety.aspx

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

We have the ability to provide any solution your business or project will need. Call us today for more information. 1-877-461-4876. Don’t forget to follow us on FacebookTwitter and LinkedIn for more news and upcoming events.

Cannabis: Beyond the Cultivating and Harvesting

marijuana-worker-header

Keeping you safe during cannabis manufacturing, growing and processing operations

With the legalization of cannabis manufacturing, growing and processing operations by the Canadian government, licensed operators and workers in cannabis manufacturing operations will need to obey relevant health and safety laws to protect themselves from exposure hazards that could cause immediate and long-term health effects. Do you know how to keep yourself safe from the occupational risks in cannabis-growing operations? 3M do.

3M primary_logo

That’s why they’ve spent decades supplying information that you need to spot potential risks while improving respiratory protection products that help keep you out of harm’s way.

Here’s an overview of what workers need to know to reduce their exposure and minimize immediate and long-term health effects associated with the growing, harvesting and manufacturing of cannabis.

What is cannabis?

Cannabis is a greenish-grey mixture of the dried flowers of the cannabis sativa plant. The main psychoactive chemical in cannabis is delta-9-tetrahydrocannabinol (THC), which is responsible for its intoxicating effects. This chemical is found in the resin produced by the leaves and buds of the cannabis plant. The plant also contains more than 500 other chemicals, including over 100 compounds that are chemically related to THC called cannabinoids.

Cannabis can be inhaled by smoking hand-rolled cigarettes called joints, in pipes or water pipes called bongs, or in blunts (cannabis rolled in cigar wraps). It can also be ingested through brewed tea or mixed into foods called edibles, such as brownies, cookies or candies.

Cannabis

How could it affect me?

The Canadian federal government introduced a suite of legislation on April 13, 2017, that, establishes a “strict legal framework” for the production, sale, distribution and possession of cannabis. Provinces, territories and municipalities will be able to tailor rules for their own jurisdictions and set their permits or licenses for growing, distributing and retail sales of cannabis. This legislation came into effect in October 2018.

This means that workers who take part in cannabis growing, harvesting and manufacturing could be exposed to numerous health and safety risks and would now be covered by the applicable occupational health and safety regulations.

When am I at risk?

Workers who take part in the growing, harvesting and manufacturing of cannabis have the potential to be exposed to the following

Health risks:

  • Mould exposures in indoor growing and harvesting operations
  • Drug exposure to THC while handling plant buds, which can occur through through inhalation, eye or dermal contact
  • Exposures to pesticides and fertilizers
  • Excessive carbon dioxide (CO₂) exposure in greenhouses with optimized growing environments, i.e., CO₂ is being added to the environment to promote plant growth
  • Accidental carbon monoxide (CO) and oxides of nitrogen (NOx) exposure from CO₂ producing devices, i.e., in order to raise CO₂ concentrations some companies may direct products of incomplete combustion, which can include CO₂, into the plant grow areas
  • Excessive ultraviolet (UV) exposuret from grow lamps
  • Heat stress in outdoor growing operations

Other safety risks in cannabis-growing operations can include electrical shock and/or cuts, pinches and sprains suffered during harvesting or processing operations.

What can I do to protect myself?

Proper respiratory protection should be used during normal growing and harvesting operations to reduce potentially harmful exposure to mould, pesticides and other chemicals. Respiratory protection selection and use should be based on results of air monitoring, in compliance with the assigned protection factors (APFs) outlined in the CSA Z94.4 standard or other published selection document that the province follows (such as NIOSH & USA OSHA). Based on the employer’s exposure assessment, an N-95 or P-100 disposable respirator, or half-face piece or full-face piece respirator with a combination organic vapour cartridge/P100 filter, may provide appropriate protection.

Maintain proper ventilation
This will help avoid overexposure to gases such as carbon monoxide, carbon dioxide and nitrous oxides as air purifying respirators will not provide protection against these three gases. Overexposure to these gases remains an acute concern if CO₂ producing devices are not monitored or maintained properly in the manufacturing operation.

Protect eyes from contact with THC, pesticides and other chemicals
Employers should consider the need for protective eyewear, protective eyewear with a face shield, or a full-facepiece respirator. If workers are not required to wear a full-facepiece respirator for pesticide spraying, we suggest indirect venting goggles (e.g. 3M™ Goggle Gear, 500-Series with Clear Scotchgard™ Anti-fog Lens).

Prevent skin contact with THC during cutting and harvesting operations
This will help reduce the risk of dermal exposure to THC, pesticides and fertilizers. Protective coveralls, lab coats, aprons, footwear, and especially gloves should be considered during cutting and harvesting operations, and during the application of pesticides or fertilizing chemicals. In outdoor operations, the potential for increased risk of heat stress should be considered when selecting worker
protective clothing.

References
1. Washington State Department of Labor & Industry. Cannabis Industry Safety & Health (Cannabis). Retrieved on October 19, 2017 from http://www.lni.wa.gov/Safety/Topics/Industries/Marijuana/

2. Martyny, John; Van Dyke, Mike; Schaeffer, Josh; Serrano, Kate Health Effects Associated with Indoor Cannabis Grow Operations. Division of Environmental and Occupational Health Sciences, Department of Medicine, National Jewish Health, Denver, CO.

3. Koch, Thomas; Chamber, Carol-Lynn; Bucherl, Stacy; Martyny, John; Cotner, John; and Thomas, Stan. Colorado Environmental Health Association Conference, Steamboat Springs, CO., Hashing Out the Issues: IAQ and Health and Safety in the Cannabis Industry, September 26, 2014.

4. Clandestine Indoor Cannabis Grow Operations – Recognition, Assessment, and Remediation Guidance, AIHA. January 1, 2010.

5. 3M Personal Safety Division. Technical Data Bulletin #249: Legal Cannabis Growing Operations. September, 2016. Retrieved from multimedia.3m.com/mws/media/…/tdb-249-legal-Cannabis-growing-operations-pdf

6. Sun Media, Toronto Sun. What to expect from the Liberals’ Cannabis bill. April 13, 2017.

Read the original article here

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

We have the ability to provide any solution your business or project will need. Call us today for more information. 1-877-461-4876. Don’t forget to follow us on Twitter, LinkedIn and Facebook for more news and upcoming events.

 

Leading and Sharp Edges – Fall Protection

Leading-And-Sharp-Edge

Leading and sharp edges, what you need to know when It comes to fall protection.

Professional football players need the best protective equipment available to stay safe on the playing field, from helmets to pads to mouth guards and beyond. Construction workers who work on Lambeau Field, the historic football stadium in Green Bay, Wisconsin, face even greater hazards and need the best protective equipment as well—particularly fall protection when they are working at height. They also must use appropriate equipment and use it properly to stay safe.

Two construction crew members who worked on the renovation of Lambeau Field know the value of quality fall protection equipment and proper training firsthand: the first fell from a steel beam six stories above ground. Less than two months later, another worker slipped from a beam and fell. Both escaped injury and possible death because of their fall protection equipment. Fortunately, these workers not only walked away after these accidents—remarkably, they were able to go back to work the same day.

1“Fatalities Prevented, Injuries Minor, Workers’ Comp Costs Slashed,” United States Department of Labor, Occupational Safety & Health Administration (OSHA), https://www.osha.gov/Publications/OSHA3252/3252.html. Accessed 12/9/14.

But what if they had been using the wrong products, or the wrong anchorage points, or had failed to take into account swing fall hazards or sharp edge hazards? Those workers may never have returned to work!

Many personal fall arrest systems rely on lifeline materials to perform under less than ideal conditions. But there are some applications where use of the wrong product—for example, where a lifeline contacts with a sharp edge—could have catastrophic results.

Product testing and certification organizations in the U.S. and around the world, including the American National Standards Institute (ANSI), the Canadian Standards Association (CSA) and CE in Europe, have been reexamining how lifelines in fall protection systems perform when subjected to these “sharp edge” applications. They’ve also placed a new focus on “leading edge” applications. Through this analysis, they have concluded that these two environments are unique in fall protection and involve increased risks due to the lifeline cutting, fraying or becoming otherwise compromised.

The following infographic identifies those applications and demonstrates​ the associated risks involved. 

Leading-And-Sharp-Edge-Infographic

Understanding Leading and Sharp Edges

Sharp Edge
A sharp edge is one that, for practical purposes, is not rounded and has the potential to cut most types of lifelines. The ANSI standard for sharp edges, for example, involves testing the fall arrest device’s lifeline over a piece of steel bar with a radius of no more than 0.005” (5 one thousands of an inch). If the lifeline is cut or severely damaged, the device fails the test and does not comply with ANSI.

Leading and Sharpe Edges

Leading Edge
To visualize a leading edge, imagine a worker installing steel decking on a new building. Now
imagine the worker’s fall protection system is anchored at foot level behind him. As the worker
moves out and away from the anchor point while installing the decking, the worker is exposed
to a potential fall over the edge of the building or the edge of an elevated platform.

Unique Risks of Leading and Sharp Edges
In sharp edge applications the primary risk is the lifeline can be frayed or severed. Examples of
other related risks with falls over leading edges include:

  • Increased Fall Distance: When workers are attached at foot level, as they often are in leading edge applications, they will fall farther than they would if they were anchored at shoulder height or above. The image on the previous page (see Image A) demonstrates the sequence of events that happen when a worker falls off a leading edge, and why a worker needs additional clearance. The required clearance when anchored at foot level varies by product so make sure to reference the product instructions.
  • Lock-up Speed: Self-retracting lifelines react to a fall when the lifeline accelerates out of the housing at a certain velocity, generally about 4.5 feet per second. When self-retracting lifelines are anchored at foot level, the lifeline does not achieve the required acceleration during a fall until after the user’s D-ring passes over the leading edge and below the level of the anchor. This means the user has already fallen about 5 feet before the self-retracting lifeline device will engage to arrest the fall.
  • Increased Fall Arrest Forces: Falling further means the impact on the body through the fall protection system will potentially be higher when the fall is arrested. This is why many leading edge and sharp edge rated products contain additional energy-absorbing devices.
  • Increased Potential for Swing Hazards: If a worker falls, and is off to one side, he may swing like a pendulum. While this in and of itself is dangerous, the danger is compounded if the worker is on a sharp edge and the lifeline saws back and forth across that edge.

In 2012, ANSI released a new standard—ANSI Z359.14 on Self Retracting Devices (SRDs)2—to address leading edge or sharp edge applications for self-retracting devices (SRDs). The Z359.14 standard includes significant changes to the design and testing of leading edge (LE) SRDs. It provides a baseline for manufacturers to test their products against, in order to ensure they are safe and compliant.3 It also requires manufacturers to provide new information in product user instructions and on product markings.

2ANSI/ASSE Z359.14-2012 Safety Requirements for Self-Retracting Devices for Personal Fall Arrest & Rescue Systems, American Society of Safety Engineers (ASSE), http://www.asse.org. Accessed 12/9/14.
3“Standard/Regulation Information, Safety Requirements for Self-Retracting Devices ANSI Z359.14-2012,” Capital Safety, http://apicapitalsafety.com/api/assets/download/1/9168257. Accessed 12/9/14.

Both Compliant Equipment and Training Needed to Keep Workers Safe
While ANSI-compliant equipment is needed to keep workers on leading edges and sharp edges safe, it’s only effective if crews understand how to use it and why they need it. Proper training is essential to ensure that crews fully engage and understand the unique hazards related to sharp and leading edges. Hercules SLR has experienced training instructors that will come on-site to teach in and around workers’ normal environment to help them better understand and avoid the hazards of sharp and leading edges.

Greater Awareness Also Leads to Greater Safety
Fall protection experts agree that in addition to complying with the applicable standards, keeping workers safe at height also involves a much greater awareness of the unique fall protection risks that exist in particular applications, such as sharp and leading edge applications. This is particularly true for workers who have worked in sharp and leading edge environments for many years and have developed habits over time that may not be the safest practices in today’s environments.

All workers—and their employers—should be up-to-date on products, applications and training so that the appropriate equipment is used properly for any application faced by workers. In sharp and leading edge work, using a traditional product anchored at foot level may increase the risk of injury and create a false sense of security. Fortunately, Hercules and our partners at 3M™ DBI-SALA® MSA Safety offer a number of products specifically designed for foot level tie-off in sharp and leading edge environments.

Please contact a Hercules representative or visit your local branch for additional information.

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Hercules SLR is part of the Hercules Group of Companies which offers a unique portfolio of businesses nationally with locations from coast to coast. Our companies provide an extensive coverage of products and services that support the success of a wide range of business sectors across Canada including the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, oil and gas, mining and marine industries.

Hercules Group of Companies is comprised of: Hercules SLRHercules Machining & Millwright ServicesSpartan Industrial MarineStellar Industrial Sales and Wire Rope Atlantic.

We have the ability to provide any solution your business or project will need. Call us today for more information. 1-877-461-4876. Don’t forget to follow us on Twitter, LinkedIn and Facebook for more news and upcoming events.