Hand and Power Tools for construction

1
Hand and Power Toolsfor construction
2
Basic tool safety

• Keep in good condition
• Right tool for job
• Inspect tools
• Operate tools correctly
• PPE needed

1a
3
Construction tool safety rules

• Safety
• Use guards
• Use PPE

2a
4
Switches on power tools

• Positive on-off control
• Momentary contact on-off control
• Constant pressure switch

3a
5
Hand tools

• Hazards posed
• Misuse
• Improper maintenance

4a
6
Knives and scissors

• Keep sharp
• Dull tools-hazardous
• Use PPE

4b
7
Power tools

• Electric
• Pneumatic
• Liquid fuel
• Hydraulic
• Powderactuated

5a
8
General precautions

• Dont carry by cord
• Never yank the cord
• Heat, oil, and sharp edges
• Disconnect tools
• Safe distance
• Secure work

5b
9
General precautions

• Accidental starting
• Maintained per manufacturer
• User's manual
• Good footing
• Proper apparel
• "Do Not Use

5c
10
Guards

• Point of operation
• Inrunning nip points
• Rotating parts
• Flying chips and sparks

6a
11
Hazards of electric power tools

• Electrocution
• Burns
• Slight shocks
• Falls

7a
12
Shock protection

• Threewire cord
• Double insulated
• Lowvoltage isolation transformer

7b
13
Hazards of abrasive wheel tools

• Moving wheel surface
• Throw fragments
• Disintegrating during startup

8a
14
Use of abrasive wheel tools

• Inspect closely
• Sound or ringtest
• Use guard
• Use eye protection
• Turn off the power
• Never use a vise

8b
15
Pneumatic tools

• Compressed air
• Chippers
• Drills
• Hammers
• Sanders

9a
16
Hazards

• Struck by attachments
• Struck by fastener

9b
17
Pneumatic tools

• 100 pounds per square inch
• Needs special device
• Prevent fasteners from ejection

9c
18
PPE

• Eye protectionrequired
• Face protectionrecommended
• Ear protectiondepends

9d
19
Air hose safety

• Fastened securely
• Prevent disconnection
• Added safeguard

9e
20
Precautions

• Same as electric cords
• Safety clip or retainer
• Screens and flying fragments
• Never pointed toward anyone

9f
21
Heavy jackhammers

• Fatigue
• Strains
• Heavy rubber grips

9g
22
PPE

• Safety glasses
• Safety shoes
• Face shield

9h
23
Liquid fueled-powered tools

• Gasoline most common fuel

10a
24
Fuel vapors

• Burn or explode
• Give off dangerous exhaust fumes

10b
25
Proper procedures

• Handling
• Transporting
• Storage

10c
26
Refilling

• Shut engine down
• Allow it to cool

10d
27
Ventilation

• Closed area
• Effective ventilation
• PPE

10e
28
Powderactuated tools

• Operate like a loaded gun
• Specially trained employees

11a
29
Safety precautions

• Explosive/flammable atmosphere
• Inspect
• Dont point
• Dont load
• Dont leave unattended
• Hands clear

11b
30
Operation

• Bring the tool into position
• Pull the trigger
• Five pound force

11c
31
Misfires

• Wait 30 seconds
• Try firing again
• Wait 30 seconds
• Remove the load
• Put in water

11d
32
PPE

• Suitable eye
• Face protection

11e
33
Guarding

• Protective shield/guard
• Will not fire

11f
34
Varying powder charges

• Power level
• Excessive force

11g
35
Defects

• Tagged
• Take out of service

11h
36
Applying fasteners

• Precautions
• Alignment guide

12a
37
Hydraulic power tools

• Fluid
• Correct pressure

13a
38
Jacks

• Lever/ratchet jacks
• Screw jacks
• Hydraulic jacks

13b
39
Safety precautions

• Stop device
• Load limit
• Blocked up
• Slippage

13c
40
Jack set-up

• Firm level surface
• Correctly centered
• Jack head
• Lift force

13d
41
Maintenance

• Inspect
• Lubricate
• Abnormal load
• Antifreeze liquid

13e