A5 Use Safe Work Practices

Question 1

OHS Comity is made up of who?

Answer 1

Worker and employer representatives

Question 2

What does the comity do?

Answer 2

responsible for promoting safety, improvements, deals with complaints, safety inspections, and assist with investigations.

Question 3

what does a comity not have?

Answer 3

Decision making authority

Question 4

The minimum number of comity members is?

Answer 4

4 employers and workers

Question 5

what does organizations under 20 workers have?

Answer 5

just one worker health and safety representative

Question 6

how often does the comity meet?

Answer 6

once per month

Question 7

who must keep records of each meeting and what should they include?

Answer 7

the employer must keep the records including the minutes and a list of attendees

Question 8

What are Minutes?

Answer 8

Minutes are a brief synopsis of the subjects that were discussed

Question 9

what percent of the comity must be workers?

Answer 9

50%

Question 10

During safety inspections, who accompanies the the WorkSafe inspector?

Answer 10

A worker member

Question 11

An accident report should include what?

Answer 11

witness statemnets, description of incident, analysis, prevention

Question 12

Site investigations should include what?

Answer 12

soil types, drainage, material removed or added, location of services.

Question 13

Water lines should be what?

Answer 13

easily accessible incase of a leak and replacement

Question 14

where do perimeter drains and drainage tile drain out too?

Answer 14

Storm Sewer

Question 15

Gas lines should always be what?

Answer 15

located, installed/removed, stacked by certified gas fitter

Question 16

Gas lines are buried how far down for steel and polyethylene pipe?

Answer 16

305mm steel, 460mm polyethylene

Question 17

all services can be in the same trench except for two?

Answer 17

water lines and sewer lines

Question 18

Gas meters are located how far up from the ground?

Answer 18

900mm

Question 19

what is the life expectancy of underground lines?

Answer 19

50 years

Question 20

water must not ___ in an excavation

Answer 20

Pond or else it will decrease the bearing capacity

Question 21

soil Piles must be how far away from an excavation

Answer 21

4 feet

Question 22

Soil piles must be how far away from a trench

Answer 22

2 feet

Question 23

what is used to measure the depth of an excavation?

Answer 23

builders level

Question 24

what must be onsite during blasting?

Answer 24

Guards and barricades for pedestrians

Question 25

to warn people what must happen before the blast?

Answer 25

12 short whistle signals at one second intervals followed by 2 minutes of silence then the blast is initiated

Question 26

what happens after the blast?

Answer 26

5 seconds of a continuous whistle

Question 27

what must the employer add to the boundary of the site being blasted?

Answer 27

warning signs and personnel to keep pedestrians away

Question 28

Excavations deeper then ___ must provide sides to be shored, sloped, or benched

Answer 28

1.2 meters

Question 29

what must be provided for safe access into a trench?

Answer 29

sloped sides or ladder

Question 30

walkways crossing trenches must be___?

Answer 30

at least 500mm wide, no more then 1:5 slope and slip resistant

Question 31

Soils are divided into 3 types

Answer 31

Type A: Hard and load bearing Type B: Soils likely to crack and crumble Type C: soft, sandy, loose soils

Question 32

what is hydrostatic pressure?

Answer 32

ground water seeping up from the ground to be level with the water table

Question 33

what is benching?

Answer 33

vertical cuts at least 1.2m and horizontal cuts 1.5 times what ever vertical cut is

Question 34

when can plywood be substituted for up right planks?

Answer 34

as long as the trench does not exceed 2.7m

Question 35

what is telescope shoring?

Answer 35

stacked planks to extend further into the trench if the trench is deeper then the tallest plank

Question 36

trenches can be sloped at what degree?

Answer 36

15 degrees

Question 37

Guard rails must be how tall?

Answer 37

1020mm-112omm

Question 38

only what grades must be used?

Answer 38

1 or 1A

Question 39

ladders must extend how far past edge of structure?

Answer 39

900mm

Question 40

what is the safe slope of a ladder?

Answer 40

4:1

Question 41

ladder cleats must be spaced how far apart?

Answer 41

300mm on center

Question 42

Ladders are constructed out of what?

Answer 42

aluminum or No. 2 lumber or better

Question 43

what is the minimum gap of a toe board?

Answer 43

13mm

Question 44

Chutes must be provided if the free fall of material is higher then___?

Answer 44

6 meters

Question 45

Designs for support systems must have a ___?

Answer 45

a scheduale