HVAC Abbreviations
HVAC Plans
Plumbing Plans
Plumbing Abbreviations
100

This is the abbreviation RTU.

What is Rooftop Unit.

100

This is the difference between an exhaust and supply system?

What is the exhaust system removes the air from the room while the supply system carries air to the room.

100

This is the total number of sinks in the men's and women's bathrooms on the first floor.

What is 3.

100

This is FD.

What is Floor Drain?

200

This is the abbreviation CFM.

What is Cubic Feet per Minute?

200

This is the diameter of the duct that carries air to the waiting area.

What is a 10 inch duct?

200

This is the type of sewer that carries waste water outside the building.

What is sanitary sewer?

200

This is WC.

What is Water Closet?

300

This is the abbreviation EF.

What is Exhaust Fan?

300

This is the diameter of the duct that carries air to the end of the line in the lunch room.

What is 8 inch?

300

This is a small, enclosed area that is used for pipes to travel from what floor of a building to another.

What is a duct chase?

300

This is CW. 

What is Cold Water?

400

This is the abbreviation F.

What is Furnace?

400

This is the room on the second floor that RTU-10 is above.

What is the open office?

400

This is the size of the pipe carrying water to the toilets in the women's bathroom.

What is 1 inch?

400

This is HW

What is HW?

500

This is the abbreviation NK

What is Neck Size?

500

This is the column line number that ARU-1 sits on.

What is column line 4?

500

This is the floor or level that the water heater is located on?

What is the Second floor?

500

This is EWC

What is electric water cooler?

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