Millwright Flashcards
Ohs regulations
Minimum legal standard
Part 18 of the code
Eye Fr Foot Head Life jacket Limb and body Respiratory
Section 222
Hearing protection
Hard hats are not needed on all sites, if they are it must be approved to ohs standards after?
July 1 2009
Green triangle on boot?
Grade 1 protective toe up to 125 joules. sole puncture up 1200 newtons or 270 lbs
Iess shock from sling
Sinthetic
Fire a color
Green triangle
Fire b
Red square
Fire c
Blue circle
Fire d
Yellow star
Fire k
Black square
Type rope clips
U bolt and j clip
Anchor scaffold
Tybacks and tybacks
Replace wire rope if ?
1/3 of d is gone
Strongest nat fiber
Minila
How much needs to be added. To swl
12%
Shackle pins
Thread, round and safety
Step ladder used for?
Low or medium hights
Double step ladders
Two people and planks
Softeners
Portect sling
How high on ladder Can you work
Don’t use top two steps
What slings are good for cold weather
Synthetic
Nylons sling
Resident to alcohol
Polyester slings
Don’t use alcoling
Chain and wire meash
Good for abrasive and heat
Who is responsible to inspect rigging
Employers
Scaffold standards
Vertical post
Node point
Between standard and transom
Wire made from
Carbon or stainless steel layed around core
Swl load
D2 x 8 formula based on 5:1
D is d of wire rope
4 type wire rope construction
Seale, Warrington, ordinary and filler
Wire rope cores
Independent
Fiber
Wire strand
What wire cable can’t hoist
Wire strand core
Chose wire rope
Strength, flexible, resistance to abrasion, crushing, resistance to rotation, corrosion
Replace wire rope if?
6 broken wires in one lay
3 in one stand
Replace chain if?
10% is worn
Can u run a single sling trough two eye bolts
No
Hoist a bundle of pipe
Double wrapped basket
4 types of chain slings
Single leg, double, triple, quadruple
Rate a shackle
In tons
Safety latch
Mouse, spring, mechanical
Inspection of a chain
Kincked bent twisted stretched lifted fins
Swivel is positioned
Between hook and load line
Advantage to wire rope block
Increase mechanical advantage
Perimeter of a sheave rope should touch
120 - 150