According to Oregon building codes, what is the minimum ceiling height required in habitable rooms of residential buildings?
Correct Answer
C) 7 feet 6 inches
Oregon building codes require minimum 7 feet 6 inches ceiling height in habitable rooms.
Why This Is the Correct Answer
Oregon building code requires a minimum ceiling height of 7 feet 6 inches in habitable rooms. This matches the IRC (International Residential Code) which Oregon has adopted, ensuring adequate headroom and livability.
Why the Other Options Are Wrong
Option A: 8 feet
8 feet is a common construction standard and many builders default to this height, but the code minimum is 7 feet 6 inches. 8 feet exceeds the minimum but is not the required floor.
Option B: 9 feet
9 feet is a premium ceiling height used in higher-end construction. It greatly exceeds the code minimum and is not a regulatory requirement.
Option D: 8 feet 6 inches
8 feet 6 inches is between typical construction heights but is not a code-defined minimum. This is a distractor that plays on familiarity with 8-foot standard heights.
Memory Technique
Remember '7-6 is the low fix': 7 feet 6 inches is the floor for habitable rooms. Think of a person who is exactly 7'6" barely fitting — that's the minimum you need for the space to count as habitable.
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Under ORS 701, what is the minimum amount of public liability insurance required for a CCB licensed contractor?
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