A 30 inch 762 mm minimum unobstructed headroom in the attic space shall be provided at some point above the access opening.
Attic access requirement.
Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that have a vertical height of 30 inches 762 mm or greater over an area of not less than 30 square feet 2 8 m 2.
The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.
The rough framed opening.
Attic area exceeds 30 square feet and minimum vertical height of 30 inches measured from the top of the ceiling framing members to the bottom of the roof.
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Attic furnace passageway minimum dimensions requirements.
From the photo i see other safety trip and fall concerns such as absence of handrailing triangular treads un blocked at the inner radius and a top floor guardrail that is open and climbable permitting a child to fall through.
Provide a minimum of 6 8 of headroom the entire walking length of the stairs.
To convert your attic to living space you cannot provide access via a ladder.
The attic must be entered at a minimum by head and shoulders whether access is by pull down stairway or scuttle.
Size of scuttle and accessibility of the attic dictate the level of entry.
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The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches.
Buildings with combustible ceiling or roof construction shall have an attic access opening to atticareas that exceed 30 square feet 2 8 m2 and that have a vertical height of 30 inches 762 mm or greater over an area of not less than 30 square feet.