Part 2 Flashcards
What is the minimum height of a guardrail?
950mm
S.W.L of a Class ‘A’ right angle coupler?
6.1kN
S.W.L of a Class ‘A’ swivel coupler?
6.1kN
How many lifts can be loaded on a Heavy Duty independent scaffold?
1 Lift + 1 Lift at 50 %
What percentage of ties need to be tested?
3 + 5% after
What knot is recommended when pulling up scaffold boards?
Timber Hitch
What knot is recommended when pulling up scaffold tubes?
Rolling Hitch
What knot is recommended when pulling up fitting bags?
Bowline
What is the recommended stopping knot?
Figure of 8
Can splay scaffolds can be erected in accordance to TG20?
No, all splay scaffolds must always be designed
What is the maximum width of a TG20 compliant sheet fan?
6 Boards
TG20 compliant sheet allows you to erect a Class ‘A’ fan to a maximum uniformly distributed load of?
0.75kN/m2
What is the maximum TG20 compliant fans you can have per elevation?
1
Light duty tie has a S.W.L. of what?
3.5kN
Standard ‘A’ duty tie has a S.W.L of what?
6.1kN
Standard ‘B’ duty tie has a S.W.L of what?
9.1kN
Heavy duty tie has a S.W.L of what?
12.2kN
TG20 compliant loading bay has a maximum loading of?
10.0kN/m2 or 15kN palleterised placed centrally in each bay
What is the maximum overall length of a TG20 compliant loading bay?
4m
How many boards wide is a TG20 Compliant loading bay?
5 boards
What is the maximum transom spacing on a TG20 compliant loading bay?
450mm
When using 610mm deep unit beams what is the maximum number of bays that can be erected in accordance with a sheet?
3 Bays
When using 610mm beams in accordance to TG20, when would section bracing be required?
Required for 3 bay spans
What is the maximum spacing that section bracing can be installed?
2.4m