G-6

Question 1

concrete in commercial construction

Answer 1

concrete is used in commercial construction because of its durability and resistance to fire. Concrete stairways provide an emergency or just normal exit from stairs.

Question 2

is total rise

Answer 2

vertical distance from finish floor 2 finish floor

Question 3

Total run

Answer 3

horizontal distance from face of bottom riser to the face of the top riser

Question 4

rise

Answer 4

vertical distance from one tread to the next

Question 5

run

Answer 5

horizontal distance that forms the step

Question 6

tread

tread depth

Answer 6

horizontal distance that forms the step

sum of the run plus the nosing

Question 7

riser

Answer 7

vertical form placed between treads

Question 8

nosing

Answer 8

projection of the tread or floor beyond the face of the riser above

Question 9

nosing line

Answer 9

nosing line is an imaginary line drawn along the top edge of the nosing

Question 10

stair soffit slab

Answer 10

supports the steps

Question 11

stair soffit slab

Question 12

flight of stairs

Answer 12

series of steps between landings

Question 13

headroom

Answer 13

vertical distance from the nosing line to the underside of the floor or beam above

Question 14

reverse or inverted stringer adjustment

Answer 14

beveled at the bottom at a 45 degree angle

Question 15

BCBC minimum unit of run for stairs

Answer 15

280

Question 16

BCBC minimum unit of rise for stairs

Answer 16

180mm

Question 17

how to make tread slope

Answer 17

width of the unit of run plus the nosing allowance

Question 18

calculate landing soffit

Answer 18

check ur phone

Question 19

calculate stair soffit

Answer 19

check ur phone

Question 20

BCBC minimum headroom unit for assembly

Answer 20

2100mm

Question 21

BCBC minimum headroom unit within a residence

Answer 21

1950mm

Question 22

calculate # of risers

Answer 22

rise / desired rise