1. Maximum height of a residential stair? 2. Minimum tread depth? DE WALT BUILDING CODES 4 STAIRS STAIR FRAMING 14-17 & 37 3. Maximum size sphere that can pass between spindles? 4. Minimum size and maximum size of handrail 5. What is a newel post? Given: 6. Maximum radius for the nosing? 7. Minimum head room for a set of stairs? 8. Joist next to the stairwell opening is called? 9. Joist at the head of the stairs is called? 10. Joist at the top of the stairs is called? 11. Maximum change in height of risers? 12. What are the long members of lumber called that make up the stairwell opening. 13. What are the short members at the end of the stairwell opening called? STAIRWELL OPENING FORMULA 5. Stairwell opening size? 6. Total run of stair? TREAD LENGTH X (6′ − 8" + FLOOR THICKNESS) - 1. Eight feet floor to ceiling 2. 2x10 floor joist 3. ½” gyp board (sheetrock) 4. 4 inch sub floor on second floor Use adjoining sheet for calculations NAME: ÷ RISER HEIGHT Show all work ?

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1. Maximum height of a residential stair? 2. Minimum tread depth? DE WALT BUILDING CODES 4 STAIRS STAIR FRAMING 14-17 & 37 3. Maximum size sphere that can pass between spindles? 4. Minimum size and maximum size of handrail 5. What is a newel post? Given: 6. Maximum radius for the nosing? 7. Minimum head room for a set