Stairs
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| Prime considerations in stair design should be easy ascent or descent and ____. | safety
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| double-l stairs require _______ 90 degree turn(s) along the flight. | two
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| _____stairs have a well hole. | wide U
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| Two stringers are usually sufficient to support stairs that are ____ wide. | 3'
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| Wedges are generally used with _____ stringer stairs. | housed
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| The treads of ____ stairs are usually made of hardwood such as oak, maple, or birch. | main
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| The type of stairs that has one landing at some point along the flight of steps (nonparallel flights) is a(n) | L stairs
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| Winder stairs have ______ steps that are substituted for a landing | Pie-shaped.
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| most spiral stairs are made from ___. | steel
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| A well-designed set of stairs should have a slope between _______ | 30-35 degree
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| The main supporting members of the stairs are the ____. | stringers
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| Plain stringers are generally cur from _____ straight-grain fir. | 2" x 12"
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| Vertical members that support the handrail on open stairs. | balusters
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| Stairs that have a wall on both sides. | enclosed stairs
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| The shortest clear vertical distance measured between the mosing of the treads and the ceiling. | headroom
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| A stringer that has been routed to recieve the tread and risers. | housed stringer
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| The main posts of the handrail at the top, bottom, or points where the stairs change direction. | newel
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| The round projection of the read that extends past the face of the riser. | nosing
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| Stairs that have no wall on one or both sides. | open stairs
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| A stringer that has been cut or notched to fit the profile of the stairs. | plain stringer
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| The distance from the top surface of one tread to the same spot on the next. | rise
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| The vertical face of a step. | riser
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| The distance from the face of one riser to the next. | run
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| The horizontal member of each step. | tread
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| rise of a step | 7.15"
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| run of a step | 10-1/2"
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| total rise | 8'-11 1/4"
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| total run | 12'-3"
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| nosing | 1"
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| tread width (run + nosing) | 11-1/2"
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| tread thickness | 1-1/16"
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| List the six general types of stairs commonly used in residential construction._________ | straight run stairs,L stairs, double-L stairs, U stairs, winder stairs, spiral stairs, and circular stairs
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| The total floor to floor vertical hieghtof the stairs_____________. | total rise
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| The total horizontal length of the stairs is the definition of__________. | total run
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| What is the ideal ratio of rise to run for a stair step?_______________ | 7-1/4" to 10-1/2"
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| What are the standard hieghts of a handrail at landing and along the stairs?Landing:____________Along stairs:_______________ | landing: 36"; along stairs: 30"
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| A stair that has 15 risers will have ____________ treads. | 14
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