LADDERS

Question 1

ladders can cause… due to …..and…..

Answer 1

harm/death, size/weight

Question 2

name 2 conditions that make ladders more dangerous

Answer 2

wind/ bad weather

Question 3

how far away from structure should the 135 ladder be positioned horizontally?

Answer 3

1/3 of working height

Question 4

name and explain the 3 movements on a ladder

Answer 4

1) PAWLS (when descending ladder the pawl mechanism is approaching so ladder will narrow to foot)

2) STEP IN (when descending ladder the overlap of extensions is approaching, so person steps deeper on rounds to stay on ladder)
3) 3,2,1,STEP OFF (when descending, person manning ladder guides descender the final 3 steps and says step off on final to floor (not using jerk beam as step)

Question 5

what are strings on ladder

Answer 5

sides of ladder

Question 6

what are rounds of ladder

Answer 6

cross member of ladder, used to climb

Question 7

what Is the head of ladder

Answer 7

highest point of ladder

Question 8

what is the heel of ladder

Answer 8

lowest point of ladder

Question 9

what is the extending line on ladder

Answer 9

used to extend ladder (a line/rope)

Question 10

what is ‘plumming” on a ladder

Answer 10

moves the head of ladder without resetting heel using the screw down jocks, make sure ladder even on slopes/uneven ground

Question 11

what are skrew down jacks on a ladder

Answer 11

circular handles on jerk beem used to plum ladder)

Question 12

what are quadrants on a ladder

Answer 12

circular stops on jack beem, rest on floor when ladder horizontal on ground

Question 13

what are jack pads on a ladder

Answer 13

rubber tips fitted to heel of screw down jocks

Question 14

what are non skid shoes on a ladder

Answer 14

timber/metal tips on the heel of ladder to protect strings

Question 15

what is the jack beam on a ladder

Answer 15

metal beam fitted to heel of 135 ladder

Question 16

what are prop poles

Answer 16

poles attached at head of main ladder of 135 to manoeuvre/stabilise

Question 17

what is the Auto Arrest Devise on 135 ladder

Answer 17

at top of ladder cable mechanism to prevent uncontrollable ladder descent

Question 18

what are the head rollers on a ladder

Answer 18

wheels at top of ladder to aid 135 ladder pitch in difficult environment/situations

Question 19

what is the top, middle,bottom of a 135 ladder

Answer 19

the 3 extending parts of a ladder

Question 20

what does extend mean when using ladders

Answer 20

raise extending portion of ladder

Question 21

what does extend to lower mean when using ladders

Answer 21

raise extending portions of ladder to clear pawls for clearing

Question 22

what does Head in/Out mean when using ladders

Answer 22

place head of ladder into/away from structure

Question 23

what does Heel in/Out mean when using ladders

Answer 23

moves heel of ladder towards/away from structure

Question 24

what does house mean when using ladders

Answer 24

restrict extending portion of ladder

Question 25

what does pitch mean when using ladders

Answer 25

erect ladder against structure

Question 26

what does under run mean when using ladders

Answer 26

to take ladder from horizontal to vertical and vice versa

Question 27

what is the pawls on a ladder

Answer 27

used to take weight off extending line after extension and to keep the rounds off each ladder section

Question 28

what are the prop clips on a ladder

Answer 28

clips where props sit when on appliance and through carrying before taken out of under running