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Requirement for heat in a restroom

Requirement for heat in a restroom

Requirement for heat in a restroom

(OP)
I am a structural engineer and am trying to help out someone with church alterations. They are dividing one restroom into two. The building code official says they need a heat source in each restroom. The one has a heating source and is on a exterior wall. I am told that the other has not exterior exposure on all six sides. Is a heating source typically required per the IMC. Here is what I believe is the relavent code: "1204.1 Equipment and systems. Interior spaces intended for
human occupancy shall be provided with active or passive
space-heating systems capable of maintaining a minimum
indoor temperature of 68°F (20°C) at a point 3 feet (914 mm)
above the floor on the design heating day.
Exception: Interior spaces where the primary purpose is
not associated with human comfort."

Can I assume that passive heating is the heat transfer from the surrounding areas?

RE: Requirement for heat in a restroom

If there is a roof or unheated attic above, the lights and exhaust fan are turned off at night and the door to the rest room is closed, you need to put in heat.

RE: Requirement for heat in a restroom

Where is the church located?

knowledge is power

RE: Requirement for heat in a restroom

You will have to do a heat gain/loss to know the answer. If you are not conversant here, hire someone who is.

RE: Requirement for heat in a restroom

Just install a small 1 kw, 120V electric wall heater, surface mounted. Available at your friendly neighborhood Home Depot for probably no more than $100.00. This will easily provide freeze protection and probably keep the bathroom warm. End of problem.

RE: Requirement for heat in a restroom

(OP)
Located in Philadelphia suburbs. I have not seen the building, but was told it is surrounded by other portions of the building. From the conversation I assumed these were heated rooms. Is so, then a heat loss calculation would be zero.

RE: Requirement for heat in a restroom

I second trashcanman, easy way out and no worries.

knowledge is power

RE: Requirement for heat in a restroom

I would be more concerned about an exhaust system than a heating system. On the other hand you could keep the bathroom as is and designate it as an all gender bathroom

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