General Information News

OSHA Has New Rules for Working in Crawl Spaces and Attics

From EnergyVanguard

Posted by Allison Bailes on Thu, Jul 2, 2015

Who among us doesn’t love spending time in crawl spaces and attics? I’ve certainly done my time there. A lot of my friends oshahang out there, too. I found out in an email from the Building Performance Institute (BPI), however, that the US Occupational Safety & Health Administration (OSHA) will have new requirements for companies who send their workers into areas defined as “confined spaces.” This has the potential to bring some significant changes to the way home performance companies, weatherization contractors, and others in the construction industry do their jobs.

Highlights of the new OSHA standard

Here are some of the new requirements:

  • Companies have to assess each jobsite for the presence of confined spaces.
  • If confined spaces exist and their workers will go into them, they may need to do testing “with a calibrated direct-reading instrument, for oxygen content, for flammable gases and vapors, and for potential toxic air contaminants, in that order.”
  • Permits will be required, but the contractor writes them up and posts them. You don’t have to go down to the building department for this.
  • Only those employees trained and authorized will be allowed to enter the permitted confined space.
  • In some cases, the employer will have to have an attendant monitoring the confined space from outside.

And how exactly is a confined space defined? It’s “a space that:

  1. Is large enough and so configured that an employee can bodily enter it;
  2. Has limited or restricted means for entry and exit; and
  3. Is not designed for continuous employee occupancy.”

This is a big deal and has the potential to add significant cost to air sealing, insulating, crawl space encapsulation, and all those things we do in confined spaces. If it applies to energy auditors and raters, too, that could really be difficult because many times they go into a house on their own. The standard says it applies to “employees engaged in construction activities,” which leaves it a little vague. Is testing duct system static pressure or inspecting the building enclosure a construction activity?

And what about HVAC contractors and home inspectors and pest control companies? A lot of that work is done by one-person crews. Will they all have to double up now?

What you should do to learn about it

OSHA has a page on confined spaces with links to other pages and pdf documents describing the new standard. If you have anything to do with confined spaces, you should spend some time there and make sure you understand the new rules. 

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