Tuesday, February 10, 2009

Aerial Work Platforms and Mast Climbers

I just received the February 2009 edition of Professional Safety in the mail. For those of you who are ASSE members, you know how valuable a publication this magazine is. If you're not an ASSE member, consider joining. (Click the ASSE Join Today! link at left).

Anyway, when I came to Southwest Florida, I had never seen a mast climber. But they were in use on virtually every construction project under my purview so I had to learn quickly. A call to the local OSHA office informed me that they didn't know much about them either. They told me to "deal with them as if they are a supported scaffold." Well, I guess they are, but there is a lot more to this equipment too.

If you have a copy of the February 2009 Professional Safety magazine, turn to page 12 and read the article on "Aerial Work Safety." It refers to Mast Climbing Work Platforms or MCWPs and cites some interesting statistics:
  1. An average of 12,600 people use MCWPs each day.
  2. About 4,200 units operate each day in the U.S.
  3. More than 2.5 million work hours are spent erecting and dismantling MCWPs each year.
  4. About 7 to 8 near-hits occur on MCWPs each work day in the U.S.
The article also cites "several areas of concern based on worksite observations:
  1. insubstantial planking on the front edge of the platform causing either a trip or fall hazard,
  2. inadequate anchor installation and testing,
  3. anchors over- or undertightened,
  4. ties temporarily removed and inadequately reinstated during use,
  5. inadequately trained and assessed installers and users.
Here is a photo that I took of an installer operating in an unsafe manner. The "diving board" on which he is working was common practice - at least until I spotted him.

Anyway, if you have had trouble finding any documentation on mast climber safety, visit www.ipaf.org and/or www.awpt.org - they have some useful information. There is a 29 page at awpt.org entitled "IPAF Guidelines for the Safe Use of Mast Climbing Work Platforms" that you might find interesting.

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