Part VI (E) - Piling Work Safety.ppt Compatibility Mode

INSTITUT KESELAMATAN & KESIHATAN PEKERJAAN NEGARA

NATIONAL INSTITUTE OF OCCUPATIONAL SAFETY & HEALTH

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Site Safety Supervisor

Competency Course

1

Competency Course

Part VI (E) Occupational Safety

Piling Work Safety



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Building and any other structures are carrying

dead loads and imposed loads.

Those loads are distributed to the ground;

Introduction

Those loads are distributed to the ground;

due to their characteristics not all grounds

have the capacity to support the loads.

Strong foundations are required to ensure the

building or structure stability.

2014 NIOSH Malaysia. All rights reserved. No part of this document shall be reproduced

without written consent of NIOSH Malaysia.2



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Types of foundations:

- Shallow foundation pad footing.

Introduction

- Shallow foundation pad footing.

- Deep foundation piles with pile caps.





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Piles are used as one of the options to transfer

the structure loads to stable ground.

Classification of pile:

Introduction

Classification of pile:

- Friction pile load bearing derived from skin

friction.

- End bearing pile load bearing derived from

bottom. 2014 NIOSH Malaysia. All rights reserved. No part of this document shall be reproduced




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Introduction

Types of Pile

Steel H-PilesPre-Cast RC Piles Spun Piles





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Introduction

Types of Pile

MicropilesBored Piles





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Introduction

Piling Activities

Load TestPile Driving/ Installation





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Introduction

Piling Method

Cast In-SituDiesel Drop

Hammer

Hydraulic

Drop Hammer

Jacked-In





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Typical Hazards

Lifting hazards - overhead loads,

swinging objects, rigging, loss of

loads, etc.

Ergonomics - manual handling,

noise and vibration hazards.

Moving plant - collapse, run

down other workers, etc.





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Typical Hazards

Collapse of load test kentledge - crushing

hazards.

Overhead & underground services. Overhead & underground services.





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Selection of Equipment

The locality of the work site.

General Control Measures

Noise.

Vibration.





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Pre-Inspection

Valid certificate of fitness and operated by

competent operator.

Sufficient capacity to handle load.


Sufficient capacity to handle load.

Boom on the crane long enough to handle

maximum length of pile.





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Pre-Inspection

All lifting equipment such as

wire ropes, grips, etc. in

good working conditions.


good working conditions.

Digger mat provided in the

event of working on soft soil

to prevent collapse of pile

driving equipment or crane.





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Pre-Inspection

Ladder extended from the bottom of the leads to

the overhead sheaves are attached to the


the overhead sheaves are attached to the

structure supporting the lead.

Working platform on level of the lead and

provided with safety railings and toe-boards.





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Pre-Inspection

Piling crews are provided with suitable and

adequate PPE.


adequate PPE.

Locate all utilities in and near work site.

Check conditions of adjacent building or

structures.





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Pile Driving

Supervise by competent designated person.

Pile driver equipment and crane are park in


Pile driver equipment and crane are park in

areas that provide safe entrance and exit of

the work area.





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Pile Driving

Wear appropriate PPE consistent with the

hazard.


Only one person designated to communicate

with the crane operator.

Avoid walking and working under suspended

loads.





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Pile Driving

Be aware of pinch points and

crushing hazards.

Never lift pile at points other than


Never lift pile at points other than

designated lifting points.

Proper lifting techniques shall be

used; get help or use equipment if

necessary.





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Pile Driving

Be aware of loose materials, excavation drop-

off, tripping hazards and other obstructions.


Never left working pile driving equipment

unattended.

Always check vertically of piles being driven.





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Pile Driving

Connecting of piles by welding

should comply with

specification.


specification.

Hammer of pile driving

equipment not in used should

be chocked or blocked in leads

or lowered to the ground.





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Pile Driving

Dispose of salvage materials properly.

Use gloves and long sleeves when handling


Use gloves and long sleeves when handling

treated timber, sheet piles or steel piles

practise good housekeeping.





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Load Test

Supervise by competent

designated person.


Approved method of

statement.

Check and ensure stability

of loads.





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Load Test

Work area is gazetted as prohibited area for

other workers.


Only authorised personnel takes the gauge

reading.

He/she move out as soon as possible after

taking the readings.





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Piling is part of the foundation work for an

intended structure.

Summary

Generally it involves with heavy lifting, pile

driving and load test.





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The work is to be carried out by experienced

workers and supervised by competent

designated person.

Summary

designated person.

Work area is to be gazetted as prohibited

area to other workers.



Part VI (E) - Piling Work Safety.ppt Compatibility Mode

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