CM Guest Blog | The Twenty Year Rule

cm cranes and hoisting equipment

CM ON THE TWENTY YEAR RULE

CM knows it can be easy to fall into the ‘twenty year rule’ trap—but what is it? Read on for tips from Columbus McKinnon (CM) on why some rules actually are made to be broken. 

Their rigging experts discuss safety, inspections & why it’s important to keep your training up to date—No matter how long you’ve been doing it. 

While conducting our overhead lifting safety training it never fails that we get a comment to the effect of,

“We’ve been doing it this way for over twenty years. We never had an accident. And now, you’re telling me it’s wrong?” 

Just because you have been lifting a certain way for the past twenty years and never had an accident only means that you have been lucky. When performing safety training we emphasize all the safety standards and regulations that are applicable. They all serve a purpose.

When performing safety training we emphasize all the safety standards and regulations that are applicable. They all serve a purpose.

ANSI/ASME B30 Safety Standards for overhead lifting began in 1916 as an eight page safety code – now 94 years old. Although ASME is the American Society of Mechanical Engineers, many Canadian organizations and equipment used here observe their standards, so it’s worth noting. 

In Canada, the CSA standard B167.08 began in 1964—It’s 46 years old.

Finally, let us not forget OSHA, which began in 1970, making it 40 years old, who enforces two federal regulations for overhead lifting:  CFR 1910.179 for cranes and 1910.184 for slings. Between all these organizations and safety standards there is a total of 355 years of experience. 355 years trumps your 20 years, every time.

These organizations were not put together to make your life miserable! You can’t take short cuts the way you have been doing the past twenty years. These organizations include people that are involved in all facets of overhead lifting, including riggers and production and construction personnel that perform overhead lifting as part of their job. They want you to be safe in your work habits and environment so that you can go home at the end of your shift or work day to your family.

This blog post was written by Larry Lynn, former Product Trainer for Columbus McKinnon Corporation. 

CM | HOW MUCH IS ENOUGH WHEN IT COMES TO ANNUAL INSPECTION?

So, we know that standards for training, testing & inspections exist for a reason, and it’s important to keep your training and inspection knowledge up-to-date—CM explains more. 

CM was asked, “How do we complete the annual PM (preventative maintenance) per the manual unless we open up the gear box and inspect the internals?” This question is centered around the annual inspection task to inspect ‘Load Bearing Parts.'” 

Tom, a Technical Instructor who specializes in Hoists & Overhead Cranes for the Columbus McKinnon Corporation says: 

We encounter this question frequently in inspection and maintenance training classes. 

ASME Standard B30.16 defines load bearing / load suspension parts as follows; “the load suspension parts of the hoist are the means of suspension (hook or lug), the structure or housing that supports the drum or load sprocket, the drum or load sprocket, the rope or load chain, the sheaves or sprockets, and the load block or hook.”

Brakes, load and holding, gearing, motors, etc. are mechanical parts. They are part of the drive train.

ASME B30.16-2.1.3(b) states, “Covers and other items normally supplied to allow inspection of components should be opened or removed.”

ASME states that required inspection items be prefaced with “Evidence Of.” 

There are several indirect ways of checking for and detecting (finding “evidence of”) excessive wear or abnormal operation of internal parts. If gearbox oil is not degraded, there are no metallic particles attached to the drain plug, the hoist raises and lowers properly (with and without a load), and there are no strange or abnormal sounds from the gearbox, it is unlikely that serious problems exist. If this inspection causes suspicion, refer to ASME B30.16-2.1.3(c) “A designated person shall determine whether conditions found during inspection constitute a hazard and whether disassembly is required.”


FOR RELATED READING, CHECK OUT OUR BLOGS:

TIPS FOR TAGLINES | TRAINING TUESDAY

GET TO KNOW YOUR TRAINING SPECIALIST, JAMIE ENGLAND

GET TO KNOW HERCULES MARKETING SPECIALIST, AMANDA WHITE


WHERE’S YOUR CM?

CONTACT US OR CLICK BELOW TO LEARN MORE ABOUT COLUMBUS MCKINNON HOISTS & LIFTING EQUIPMENT AT HERCULES SLR: 

INFO@HERCULESSLR.COM  1 (877) 461-4876

 


Hercules SLR is part of Hercules Group of Companies, with locations and unique businesses coast-to-coast. We provide securing, lifting and rigging services for sectors in Canada and Internationally. Hercules SLR serves the energy, oil & gas, manufacturing, construction, aerospace, infrastructure, utilities, 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 hoisting solution your business or project will need. Call us today for more information. 1-877-461-4876 or email info@herculesslr.com

What should you do before you use a hoist?—Hercules How-To

what should you do before you use a hoist

HERCULES HOW-TO: WHAT SHOULD YOU DO BEFORE YOU USE A HOIST?

What should you do before you use a hoist? If you’re a rigger, or have worked in construction, you’ve likely used some sort of hoist before. Hoists are mechanical devices use to lift, pull and hoist, and are equipped with a pulley. They’ve also been around for awhile—historians haven’t been able to pinpoint exactly when the first hoist was used, but even Leonardo da Vinci had a hoist design.

Since then, hoist technology has come a long way – hoists are available in manual, electric, hydraulic and even universal styles. They’re used in a number of different industries. Today, we cover more about hoists used for securing, lifting and rigging applications and what exactly you should do before you use one. 

WHAT SHOULD YOU DO BEFORE YOU USE A HOIST? HAZARDS 

We talk a lot about hazards, how to avoid them and prevent them on a job site. There are a number of hazards that present themselves at work – both chemical and physical. When rigging with hoists, there are a number of hazards there.

Some of the most common hazards are: 

  • Falling equipment, materials, etc. 
  • Electrical issues 
  • Loading hoist beyond it’s WLL or SLL, known as overloading 

WHAT SHOULD YOU DO BEFORE YOU USE A HOIST? TRAINING

It’s important that anyone using the hoist, or operating rigging equipment in general, has proper training in hoist safety and operating procedures. Hoists are often used in rigging, and are commonly-known as a component for cranes. Hercules’ highly-skilled trainers teach a variety of courses that will prepare you to rig with hoists.

The Hercules Training Academy courses include: 

WHAT SHOULD YOU DO BEFORE YOU USE A HOIST? TYPES OF INSPECTION

According to the ASME (American Society of Mechanical Engineers), there are thee main types of inspection that rigger’s (or any end-user of hoisting equipment) have to do. 

PREOPERATION INSPECTION

Before each shift, have a qualified person inspect hoisting equipment for:

  • Ensure mechanisms operate properly – check for unusual sounds, and make adjustments as needed 
  • Hoist limit device, for electric or air-powered hoists without a load on its hook: The load block should inch on limit device, or run at a slow speed when on multi-speed or variable-speed hoists. Using travel-limiting clutches as a limit device? Follow inspection methods detailed in the travel-limiting clutch’s manual. 
  • Hoist’s braking system
  • Check lines, valves and other parts of air system for leakage
  • Check hooks & latches; ensure hooks are in accordance with ASME B30.10
  • Check hoist rope for gross damage, and these features that could cause immediate hazards, including:
    • Rope distortion: kinking, crushing, unstranding, bird-caging, main strand displacement and/or core protrusion
    • General corrosion
    • Broken or cut strands 
    • Number, distribution and type of broken wires (if visible)
  • Check load chain for gross damage, and any of these conditions which can be hazardous for work. These are: 
    • Gouges, nicks, weld splatter, corrosion and/or distorted links. 
    • Test the hoist with the load in lifting and lowering directions, and watch the operation of the chain and sprockets. The chain should feed smoothly with the sprockets. 

FREQUENT INSPECTION

Frequent inspections should happen continually, during use and rest periods. During frequent inspections, a qualified person will determine if issues found are hazards and whether the hoist should be removed from service temporarily, inspected further and repaired, or removed from service permanently and replaced. 

During frequent inspections, inspect:

  • Operating mechanisms for proper orientation, adjustment and unusual sounds
  • Braking system
  • Lines, valve and other parts of air systems for leakage
  • Check hooks & latches; ensure hooks are in accordance with ASME B30.10
  • Hoist limit device, for electric or air-powered hoists without a load on its hook: The load block should inch on limit device, or run at a slow speed when on multi-speed or variable-speed hoists. Using travel-limiting clutches as a limit device? Follow inspection methods detailed in the travel-limiting clutch’s manual. 
  • Check hoist rope for gross damage, and these features that could cause immediate hazards, including:
    • Rope distortion: kinking, crushing, unstranding, bird-caging, main strand displacement and/or core protrusion
    • General corrosion
    • Broken/cut strands 
    • Number, distribution and the kind of visible broken wires 
  • Check load chain for gross damage, and any of these conditions which can be hazardous for work. These are:
    • Gouges, nicks, weld splatter, corrosion and distorted links 
    • Test the hoist with the load in lifting and lowering directions, and watch the operation of the chain and sprockets. The chain should feed smoothly with the sprockets. 
    • Check rope/load chain reeving and make sure it complies with the manufacturer recommendation. 

PERIOD INSPECTION 

Periodic inspections can be conducted wherever your hoist is set up, as they don’t require the rigger to disassemble the hoist. 

  • Open or remove covers and other items to inspect components. 
  • A qualified, competent person will determine if conditions found during inspection make a hazard, or whether disassembly is required.
  • Inspect the following for wear, corrosion, cracks and distortion:
    • Ensure fasteners aren’t loose, or on the verge of coming loose 
    • Load blocks
    • Suspension housings 
    • Hand chain wheels 
    • Chain attachments 
    • Clevises
    • Yokes 
    • Suspension bolts
    • Shafts
    • Gears
    • Bearings 
    • Pins
    • Rollers
    • Locking and clamping devices 

WHAT SHOULD YOU DO BEFORE YOU USE A HOIST? WHEN DO I INSPECT?

We’ve covered the three types of hoist inspection required in Canada, according to the American Society of Mechanical Engineering (ASME). This is when you should conduct each type of inspection.

1. PREOPERATION INSPECTION

A visual inspection should be conducted before each shift. This inspection does not have to be recorded, but a designated, competent person should inspect the hoisting equipment.

2. FREQUENT INSPECTION

Frequent inspections, like pre-operatation inspection, are visual and don’t need to be recorded but should be done by a designated, competent person. Just how often are ‘frequent’ inspections, you ask? 

A) Normal Service—Yearly

B) Heavy Service—Semiannually

C) Severe Service—Quarterly 

3. PERIOD INSPECTION

Visual, period inspections should be conducted by a competent person who makes records of external coded marks on the hoist. This is acceptable identification in lieu of records. Periodic inspections should be done: 

A) Normal Service—Yearly

B) Heavy Service—Semiannually

C) Severe Service—Quarterly 

Since this article is about what to do before using a hoist, we’re going to focus on what your preoperation – or, preuse inspection should include. 

  • The pre-use inspection should be performed during each shift before the hoist is used. 
  • A competent, qualified person will determine whether conditions found during inspection could create a hazard and, if a more detailed inspection is required. 
  • Inspect the following:
    • Operating mechanisms for proper operation, proper adjustment and unusual sounds.

WHAT SHOULD YOU DO BEFORE YOU USE A HOIST? HAND SIGNALS

what should you do before you use a hoist? hercules slr
Hoisting hand signals.

WHAT SHOULD YOU DO BEFORE YOU USE A HOIST? KNOW THE ROPES  

Before operating a hoist, it’s important to conduct an inspection before-hand. The inspection should consist of: 

Rope Type: Ensure you select the proper type of wire rope. The wire rope you select will depend on the hoist type and the features of the load you will lift. 

Are you familiar with the concept of rope stability before using that hoist? Hoists often use wire rope, which can kink, twist or become crushed if the wrong type or the wrong application is used. 

Drum crushing is a type of rope deterioration that can happen with multiple layers of wire rope on a drum. Whoever inspects the wire rope must evaluate the potential for wire rope crushing. Inspections should detect points where crushing is more likely to happen, and the level of deterioration and appropriate course of action (ex. repair or replacement) can be made. 

WHAT SHOULD YOU DO BEFORE YOU USE A HOIST? YOUR CHECKLIST

Before rigging or lifting with a hoist, know: 

  • The hoisting devices capacity
  • The WLL of: the rope, slings and hardware, and the rigging hardware’s weight

Here are some basic tips from CCOHS for inspecting your hoist: 

  • Pre-Lift: Make sure both hooks (upper and lower) swivel, replace worn chain or wire rope and tag it so it can be removed from service.
  • Post the SLL (safe load limit) in the hoist. 
  • Daily: Inspect hooks, rope, brakes and limit switches for wear and damage.
  • Ensure swivels move freely and there are no cracks or breaks in the hook. 
  • Conduct periodic inspections according to manufacturer rules or legislation. 


NEED A LIFT?  

Hercules SLR offers everything you need for your hoist, crane or lifting project. We offer equipment inspections, repairs, maintenance and hoists from reliable, respected and durablebrands like Crosby, CM and Bronze & Blue


FOR MORE INFORMATION ON OUR HOISTS & SERVICES,

CHECK OUT OUR BLOGS:

CROSBY QUIZ: CAN YOU PASS THIS HOOK INSPECTION QUIZ?

CM’S TIPS: CRANE & HOISTING IN HAZARDOUS AREAS

HERCULES SLR AT THE SABLE STRATEGIC WORKSHOP


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Need more information on rigging services? We’ll lift you there.

Click here to learn more about our rigging services at Hercules SLR. 

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 or email info@herculesslr.com. Don’t forget to follow us on FacebookTwitter and LinkedIn for more news and upcoming events.