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Architecture Ch.16
Stairs
| Question | Answer |
|---|---|
| Prime considerations in stair design should be easy ascent or descent and ____. | safety |
| double-l stairs require _______ 90 degree turn(s) along the flight. | two |
| _____stairs have a well hole. | wide U |
| Two stringers are usually sufficient to support stairs that are ____ wide. | 3' |
| Wedges are generally used with _____ stringer stairs. | housed |
| The treads of ____ stairs are usually made of hardwood such as oak, maple, or birch. | main |
| The type of stairs that has one landing at some point along the flight of steps (nonparallel flights) is a(n) | L stairs |
| Winder stairs have ______ steps that are substituted for a landing | Pie-shaped. |
| most spiral stairs are made from ___. | steel |
| A well-designed set of stairs should have a slope between _______ | 30-35 degree |
| The main supporting members of the stairs are the ____. | stringers |
| Plain stringers are generally cur from _____ straight-grain fir. | 2" x 12" |
| Vertical members that support the handrail on open stairs. | balusters |
| Stairs that have a wall on both sides. | enclosed stairs |
| The shortest clear vertical distance measured between the mosing of the treads and the ceiling. | headroom |
| A stringer that has been routed to recieve the tread and risers. | housed stringer |
| The main posts of the handrail at the top, bottom, or points where the stairs change direction. | newel |
| The round projection of the read that extends past the face of the riser. | nosing |
| Stairs that have no wall on one or both sides. | open stairs |
| A stringer that has been cut or notched to fit the profile of the stairs. | plain stringer |
| The distance from the top surface of one tread to the same spot on the next. | rise |
| The vertical face of a step. | riser |
| The distance from the face of one riser to the next. | run |
| The horizontal member of each step. | tread |
| rise of a step | 7.15" |
| run of a step | 10-1/2" |
| total rise | 8'-11 1/4" |
| total run | 12'-3" |
| nosing | 1" |
| tread width (run + nosing) | 11-1/2" |
| tread thickness | 1-1/16" |
| 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 |
| The total floor to floor vertical hieghtof the stairs_____________. | total rise |
| The total horizontal length of the stairs is the definition of__________. | total run |
| What is the ideal ratio of rise to run for a stair step?_______________ | 7-1/4" to 10-1/2" |
| What are the standard hieghts of a handrail at landing and along the stairs?Landing:____________Along stairs:_______________ | landing: 36"; along stairs: 30" |
| A stair that has 15 risers will have ____________ treads. | 14 |
Created by:
sjackson1