Attic Fau Framing Detail

Attic access may be reduced to 22 x 30 provided the largest piece of equipment can be removed through the opening.

Attic fau framing detail.

Additionally if the attic and roof is conventionally framed ceiling joist under the location of the fau unit shall be doubled with a minimum 2x6 joists. Roof and attic 206 exterior walls 207 interior 208 literature cited 209 glossary of housing terms 210. If the attic and roof framing is a prefabricated engineered truss system an engineering report wet stamped and signed by a licensed engineer shall be submitted for review and approval prior to issuance of a building permit. The face of the square is the side one sees when the square is held with the blade in the left hand the tongue in the right hand and the heel pointed away from the body.

Wood frame house construction by l. Chapter 14 framing details for plumbing heating and other utilities 97 plumbing stack vents 97 bathtub framing 98 cutting floor joists 98 alterations for heating ducts 99. Show and note the kitchen ventilation system range hood ducted to the outside air complying with the 2019 title 24 and ashrae 62 2 standards hers verification is required. If the attic and roof framing is a pre.

Attic furnace passageway minimum dimensions requirements. 2 5 view a consists of a wide long member called the blade and a narrow short member called the tongue. O where the project includes the installation of a new attic fau include the requirement of cmc 904 10 on the plans. The framing square fig.

An attic in which a fau is installed shall be accessible by an opening and passageway 30 x 30 in size. 30 inches high 762 mm 22 inches wide 559 mm 20 feet max length 6096 mm measured along the center line between the attic access opening and the attic furnace. The blade and tongue form a right angle. H provide additional combustion air in attic space where fau is located as required per c m c.

Install passageway platform minimum 24 inches width and maximum 20 feet in length to fau. Furnaces located in an attic area shall comply with the diagram on the reverse side of this page.