stair test

Question 0

what is the nose of the stair?

Answer 0

the overhanging wood of the plate on the stair

Question 1

what is the throat of stairs?

Answer 1

the effective depth.. the wood under plate

Question 2

what does f.o. stand for?

Answer 2

finished opening

Question 3

what does h.r. stand for?

Answer 3

head room

Question 4

how do you find the total rise

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Answer 4

drywall, joist, subfloor,finished floor

Question 5

what is the proportioning rule?

Answer 5

rise plus run = 430

Question 6

how do you find the nunmber of risers?

Answer 6

total rise divided by desired rise

Question 7

what is true ri9se?/unit rise?

Answer 7

total rise divided by number of risers

Question 8

what is the true rise?

Answer 8

the rise height of each stair

Question 9

what is the unit of bridge?

Answer 9

the hypotenuse of the stairway (unit rise(x unit run a2+b2=c2

Question 10

how do you figure out the number of treads?

Answer 10

always one less then the number of risers. each stair is a tread minus the top landing which is not a tread.

Question 11

true run/ unit run.

Answer 11

proportion rule=Rise + Run = 430

Question 12

how do you figure out the unit of bridge?

Answer 12

(unit rise)2+(unit run)2=square root

Question 13

what is the unit of bridge?

Answer 13

(unit rise)2+(unit run)2=square root

Question 14

what is a stringer?

Answer 14

the finish material applied to cover the stair carriage

Question 15

how do you get the stringer length?

Answer 15

(unit of bridge) x # of treads

Question 16

what are the steps of the stairs?

Answer 16

1. total rise
2. # of risers
3. True rise/ unit rise
4. nuimber of treads
5. true run/ unit run
6. unit of bridge
7. stringer length

Question 17

refer to straight stairs with rough opening page (182)

how to find x.

Answer 17

how to find always start with unit rise… subtract sub floor and fin floor add tread thickness

Question 18

how to find y.

Answer 18

y= floor joist -x.

Question 19

what is x on stairs?

Answer 19

the depth of the landing including the depth of the stringer of hte stair underneath it excluding its own stringer.

Question 20

what is z?

Answer 20

unit rise-tread thickness + ground floor. fin. floor.

Question 21

what is the finish opening? it is the opening in the landing above to incorperate the stairs. the width of the opening

Answer 21

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Question 22

what is a hangerboard?

Answer 22

the front of the stair on each individual step