E1

Question 1

a stairway must be provided to each new floor before work starts on that level true or false ?

Answer 1

true

Question 2

temporary access ramps must be at least _____ wide with a max slope of ________

Answer 2

20in and 1:5

Question 3

max spacing of cleats on a sloped ramp is

Answer 3

400mm

Question 4

walkways must be a minimum of ______ wide

Answer 4

500mm

Question 5

temporary stairs require hand rails when

Answer 5

there are more than 4 risers

Question 6

using part 4 of the O.H.S the top rails must be able to

Answer 6

withstand a point load of 125lbs in any direction, span no more than 8ft, or 10 ft for scaffold, and be between 40 - 44” above the travel and work surfaces

Question 7

what’s the minimum width of a wooden scaffold plank?

Answer 7

235mm or 9 1/4”

Question 8

what’s the minimum height of a guardrail

Answer 8

40in

Question 9

above what height does a scaffold require a guardrail

Answer 9

10ft

Question 10

what’s the max that a scaffold plan can project beyond its support

Answer 10

12”

Question 11

what’s the max span for a wooden guardrail?

Answer 11

up to 8ft for 2x4 and up to 10 ft for 2x6

Question 12

what’s the max slope, vertical to horizontal, that’s allowed for a work platform

Answer 12

1:5

Question 13

what’s the max gap allowed under a toeboard

Answer 13

1/2 “

Question 14

what’s the min width allowed for a scaffold work platform?

Answer 14

2 plank widths

Question 15

what’s the min amount that a scaffold plank may project beyond its supports

Answer 15

150mm or 6in

Question 16

what’s the max spacing allowed for supports or scaffold planks of the scaffold is to be used by a bricklayer?

Answer 16

7ft or 2100mm

Question 17

the type of nail used in the construction of wooden scaffold is

Answer 17

duplex

Question 18

best length of nail to use if the ledge is 19mm is

Answer 18

2 1/4

Question 19

best location for the 38x140mm bearer may have in light duty work is

Answer 19

5ft or 1500mm

Question 20

the minimum size that a bearer block is allowed to be is

Answer 20

2x6 or 38x140 mm

Question 21

the minimum size of lumber used for toeboards is

Answer 21

1x4 or 19x89mm

Question 22

an 89x89mm (4x4) upright is required

Answer 22

When the height of the scaffold exceeds 6m or 20ft

Question 23

the maximum distance between the horizontal building ties is

Answer 23

21ft or 6.4m

Question 24

What are the 2 basic structural components of steel scaffolding?

Answer 24

end frame and braces

Question 25

bolts or pins must be placed through the end frames when the scaffold is higher than 1 unit. true or false ?

Answer 25

true

Question 26

the All round scaffolding system uses a

Answer 26

rosette and wedge

Question 27

the Allround system requires an

Answer 27

adjustable base and collar

Question 28

handrails and midrails in the Allround system

Answer 28

are automatically set by the Rosettes

Question 29

minimum width of a swing state platform is

Answer 29

20”

Question 30

thrust out beams supporting swing stages must be counter balanced with weights equal to

Answer 30

4 times the static load

Question 31

hangers or stirrups used to support swing stages must be made from

Answer 31

mild steel or similar

Question 32

max load on a swing state suspension rope must not exceed

Answer 32

1/10 of its breaking strength

Question 33

19mm (3/4”) synthetic rope for suspending a swing stage must have a breaking strength of

Answer 33

22kN (5000lbs)

Question 34

wire rope used to suspend swing stages must provide a safety factor or not less than

Answer 34

10

Question 35

the length of a suspension rope must be enough to provide for

Answer 35

a safe lower landing

Question 36

a hard tire scissor lift may only be us3d

Answer 36

on hard smooth surfaces

Question 37

before using a scizzor lift for the first time

Answer 37

get training, check maintenance and controls and look for hazards, review operators Manuel

Question 38

side rails shall be _____ for ladders up to 5m (16ft) long

Answer 38

2x4

Question 39

side rails must be ________ for ladders up to 24ft long.

Answer 39

2x6

Question 40

cleats must be _________ for ladders up to 16ft long.

Answer 40

1x3

Question 41

cleats must be ________ for ladders up to 24 ft long

Answer 41

1x4

Question 42

Is it safe practice to notch out side rails for cleats

Answer 42

no never could be dangerous

Question 43

What’s the distance that should be between the side rails?

Answer 43

15-20 “ or 380- 500mm

Question 44

How many workers are aloud on a ladder back scaffold at 1 time?

Answer 44

2 max

Question 45

What type of work is ladder jacks made for ?

Answer 45

light duty and short duration work

Question 46

How wide can the work platform be for ladder jack scaffolding ?

Answer 46

12” wide

Question 47

if a manufactured scaffold is used it may span up to ______ between supports

Answer 47

7.3m or 24ft

Question 48

if a lumber planks used on ladder jack scaffolding how wide can it be ?

Answer 48

must be 2x12 and supported every 3m or 10ft

Question 49

workers must tie off after ________ ft

Answer 49

10