Portable classroom

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A portable classroom at Rockcliffe Park Public School in Ottawa, Canada
A portable classroom with wheelchair ramp at an elementary school in Washington County, Oregon, U.S.

A portable classroom, latterly known as a demountable in Australian English, is a type of portable building installed on the grounds of a school on a temporary basis to provide additional classroom space where there is a shortage of capacity. Such buildings would be installed much like a mobile home, with utilities often being attached to the main building to provide light and heat for the room. It would be removed once the capacity situation abates, whether by a permanent addition to the school, another school being opened in the area, or a reduction in student population. In a school context, these buildings are commonly called simply portables (or demountables).

Sometimes, the portable classrooms are meant to be long-lasting and are built as "portapacks". A portapack combines a series of portables and connects them with a hallway. Portapacks are usually separated from the main building but can connect to the school. In most cases, portapacks are accompanied with a few separate portables.

Portable classrooms are also colloquially known as bungalows, t-shacks, trailers, terrapins, huts, t-buildings, portables, or relocatable classrooms.

Occupant health and building durability issues[edit]

Portable classrooms are frequently criticized for presenting mold, moisture, comfort and unhealthy environment issues. However, when portable classrooms are properly set up and operated, experience has shown that they can present a very long useful life, low maintenance, and healthy, comfortable environments for all occupants.

In the United States, there are approximately 300,000 portable classrooms in use. About half of those are school-owned and of unknown age. The other half are owned by modular leasing companies and are between 5 and 6 years old on average.

If properly installed and maintained, a portable can have a useful life of approximately 10 years. Certain factors impact useful life, including capital improvements and the number of times a unit is relocated.

A portable classroom can be any number of modular sections wide and typically has only a single level, but can be more than two stories high.

External links[edit]

Media related to Portable classrooms at Wikimedia Commons