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Toolbox Talk - Ringing Abrasive Wheels

Posted By IAMU, 19 hours ago

Bench grinders, pedestal grinders, and angle grinders are versatile tools that use various blades, brushes, or abrasive wheels to clean, buff, cut, or smooth material. Due to internal damage, abrasive wheels have been known to explode violently while in use. This internal damage can occur when a wheel is dropped, contact with falling material occurs, or during the manufacturing process. This is the reason that OSHA requires that a ring test be conducted on wheels before they are mounted onto grinding equipment.

The ring test is an effective method of detecting a defect in grinding wheels that are
over 4 inches in diameter. The wheels can’t be mounted during as that inhibits the
ring. The grinding wheels should be free from dust or grease buildup, and they should
be dry as water within the wheel’s porous structure also deadens the sound.

How to do the test:

  1. Suspend the wheel with a tool handle or your finger through the arbor hole in the
  2. Tap the flat side of the wheel with a light nonmetallic
    implement, such as a screw driver handle, at an
    area 45 degrees from the vertical center line on each side
    of the wheel and 1 – 2 inches from the edge of the wheel.
    (see illustration)
  3. Rotate the wheel 45 degrees and repeat the test until the
    entire wheel has been tested.

The wheel passes the test if it gives a clear metallic tone (ring) when tapped at
all four points. If the wheel sounds dead (dull thud) at any of the four points, it is
cracked or damaged internally. Do not use it.

Tags:  Safety  Toolbox Talk 

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IAMU Electric Utility System Operation Short Course - July 31, 2018

Posted By IAMU, Tuesday, May 22, 2018

IAMU is once again offering the Electric Utility System Operation Short Course (EUSO) presented by Skip Collier of Professional Training Systems, Inc.


Skip is highly regarded and has an extensive background in electric utility design, construction, maintenance and operation.


EUSO Short Course:  July 31 – August 2

The EUSO Short Course is designed for any employee whose job performance will benefit from a basic understanding of the operations side of the business.  This includes those from legal, rates, engineering, purchasing, computer application, marketing, customer service, inventory control, finance, accounting, safety, risk analysis as well as those from generating plants.  One goal for this class is to have students leave with the ability to easily identify all of the electrical equipment they see in a substation as they walk by, along with all the equipment found on the poles in a residential area.  Non-electrical engineers are often at a disadvantage in the electric utility environment due to a lack of familiarity with technical issues.  The better you understand the utility’s product – electrical energy – and how it is created and distributed, the better you can serve the utility and your customers.  This course assumes no electrical background, and builds on the basics to provide a comprehensive understanding of the equipment and operations.


*Line Maintainer apprentices will receive 21 Basic OJT hours for taking the EUSO Course.*


Registration is open.

Registration fees for the course are below.


(*If you are planning on sending more than one participant from your organization, please make sure to share this with multiple departments so that you qualify for the reduced cost with the initial registration.)

  • EUSO Course - $950 for a single registrant OR $850 each for two or more participants from the same utility/organization

For additional information, brochure, and registration, please click HERE.  The registration deadline for the workshop is Tuesday, July 24, 2018.

Tags:  Electric  EUSO  Skip Collier 

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Drug & Alcohol Employee/Supervisor Training Webinar

Posted By IAMU, Tuesday, May 22, 2018

IAMU Safety Services will be holding a Drug & Alcohol Employee/Supervisor Training Webinar. This webinar will address the following:

  • The effects of drugs and alcohol on the body
  • Recognize the signs, symptoms, and indicators of substance abuse at the workplace
  • Comply with federal DOT regulations requiring 2-hour reasonable suspicion training for supervisors

The first half of the webinar will be spent on symptoms of alcohol abuse.  The second half will be spent on the symptoms of drug/controlled substance abuse.

*A Certificate of Completion will be emailed to registrants after the event.

Who Should Attend?

Employees and supervisors involved with CDLs and/or gas operations.

Webinar Time and Length:

Thursday, June 14, 2018 – 9:30 to 11:30 a.m.


Contact Paul Kittelson at, or (800) 810-4268.

Registration is open.  For additional information and online registration, please click HERE.

Tags:  Drug & Alcohol Training  Webinar 

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Water Distribution & Leak Detection/Line Locating Workshops - May 23-24

Posted By IAMU, Wednesday, May 16, 2018

Mark your calendars for the IAMU Water Distribution & Leak Detection/Line Locating Workshops.  The workshops will take place May 23 - 24 at the IAMU Training and Office Complex.

Water Distribution Training topics will include:

  • Fire hydrant maintenance
  • Water main tapping / HydraStop
  • Water main installation / repair & fittings

Water Leak Detection / Line Locating topics will include:

  • Water leak detection
  • Line locating
  • Trenching & shoring
  •  Fittings

0.6 CEUs each day for Water Distribution.


Early Registration (on or before May 18)

  • IAMU Members - $65/day or $115 both days
  • Non-Members - $105/day or $190 both days

Late/At-the-Door Registration

  • IAMU Members - $75/day or $135 both days
  • Non-Members - $115/day or $210 both days

Registration is open.  For more information about the workshops, brochure, and online registration, click HERE.

Tags:  CEUs  Leak Detection  Line Locating  Water  Water Distribution 

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Arc Flash & 2018 NFPA 70E Updates

Posted By IAMU, Wednesday, May 16, 2018

Mark your calendars for the Arc Flash & 2018 NFPA 70E Updates class.  This one-day course will take place on Wednesday, May 30 at the IAMU Training & Office Complex.

This course will be taught by Dave Sullivan of Sullivan Training & Consulting, LLC.  Dave has taught electrical training courses for over 25 years covering topics such as National Electrical Code updates, grounding and bonding, power factor correction, arc flash, and the NFPA 70E.  He is a member of the International Association of Electrical Inspectors and conducts trainings throughout the Midwest.

This course will cover Arc Flash and explain the rules and changes in the new 2018 NFPA 70E Codebook.  Course highlights will include:

  • Short circuit hazards
  • Codes and standards
  • Steps to upgrade for arc flash
  • Future recommendations
  • Proper FR PPE
  • NFPA 70E 2018 Edition

Who Should Attend:

Managers, safety professionals, water/wastewater supervisors, electric utility engineers & supervisors, designers, technicians, and all field personnel who are responsible for or who make decisions concerning electrical safety and operations. The course is conducted at a practical level and is appropriate for degreed professionals, including engineers and engineering technicians, as well as skilled craft personnel, field supervisors and non-degreed high school graduates with a general knowledge of the electric system.

Need Flexible Credit Hours / PDH?  A certificate good for four (4) contact hours will be awarded.

Where and When:

Wednesday, May 30, 2018
10:00 A.M. to 2:30 P.M.
IAMU Training Office
1735 NE 70th Avenue
Ankeny, IA  50021

Minimum 20 participants; Maximum 60 participants.

For additional information and registration, please click HERE.

Tags:  Arc Flash  Electric  NFPA 70E 

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