METHOD STATEMENT FOR WATER PROOFING OF UNDERGROUND CONCRETE STRUCTURES

Comment Response Sheet (CRS)
Project Title

Van Phong 1 BOT Thermal Power Plant Project

Document Title

METHOD STATEMENT FOR WATER PROOFING
OF UNDERGROUND CONCRETE STRUCTURES

Document Type

For Approval

Document No

VP1-0-L4-C-GEN-10027

Returned Status

AC

Prepared by

CRS No

VP1-0-L4-C-GEN-10027-A-CRS

CRS Issued Date

12/05/2020

Engineer

Construction

Status O/C *

Remarks

No.

Section/
Page

Owner’s Comment

Response to Comment

Review
Date

1

3

This should be more monitored before painted.

Lot 4 added on revision B

12/05/2020

Closed
O

2

4

- Have any countable value to evaluate the
thickness of this coating?
- How to estimate the timing duration for drying
each layer?

Lot 4 added on revision B

12/05/2020

Closed
O

3

4

Coating thickness is mentioned?

Lot 4 added on revision B

12/05/2020

Lot 4

Closed
O

Additional Notes (if any)
* O - Open, C – Closed

Page 1 of 1


AP

APPROVED
Approved

AC

APPROVED WITH COMMENT
Contractor to revise the correction and resubmit

NA

NOT APPROVED
Revise the correction and resubmit before proceeding

RE

REVIEWED
Information acknowledged with no comment

For Approval

RC

REVIEWED WITH COMMENT
Information acknowledged with comments

Note: Approval or comment does not relieve the Contractor of
all obligations covered under contract

Discipline:
Date:

Civil
10 Jun 20

B

02-Jun-2020

For Approval

J.H CHOI

K.S KIM

Y.H LEE

A

06-May-2020

For Approval

J.H CHOI

K.S KIM

Y.H LEE

REV

DATE

DESCRIPTION

Approved

Checked

Prepared

OWNER

VAN PHONG POWER COMPANY LIMITED
PROJECT

Van Phong 1 BOT Thermal Power Plant Project
Status

□Approved
□Approved with Comment
□Not Approved
□Reviewed

OWNER’S ENGINEER
Pöyry Switzerland Ltd.
EPC CONTRACTORS

IHI–TESSC–CTCI–DHI CONSORTIUM

PROJECT DOCUMENT No

REV

VP1-0-L4-C-GEN-10027

B

DOCUMENT TITLE

METHOD STATEMENT FOR WATER PROOFING OF UNDERGROUND CONCRETE
STRUCTURES
EPC

EPC DOCUMENT No.
VP1-0-L4-C-GEN-10027

Doosan Heavy Industries and Construction

REV
B

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

CONTENTS

1. PREFACE ...................................................................................................................... 2
2. REFERENCE ............................................................................................................... 2
3. MACHINERY & EQUIPMENT ................................................................................. 2
4. RESPONSIBILITIES ................................................................................................... 2
5. PROCEDURE AND SEQUENCE ............................................................................... 3
6. QUALITY CONTROL ................................................................................................. 4
7. ENVIRONMENT, HEALTH AND SAFETY (EHS) ................................................. 5
8. GPS MEMBRANE SPECIFICATION......................................................................23
9. ATTACHMENT. ........................................................................................................25

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

1.0 PREFACE
The purpose of this Method Statement is to describe the methodology involved in application of
protective coating (Bitumen Emulsion Paint) for underground concrete foundations and to details
out the steps to be taken in meeting the technical standards and EHS requirements of Van Phong 1
BOT Thermal Power Plant.



Plant Project/Project :

Van Phong 1 BOT Thermal Power Plant Project



Company/Owner :

Van Phong Power Company Limited (VPCL)



Contractor :

EPC

2.0 REFERENCE


ASTM C309



GPS ‘s Specification

3.0 MACHINERY & EQUIPMENT
No.

Description

1

Angle Grinder

2

Brush and Roller

3

Measuring Tape

4

Marking String

Remark

4.0 RESPONSIBILITIES
• It is overall responsibility of Project Manager to organize resources prior to perform
construction activities aster project specification in compliance with the quality, schedule &
safety requirements.
• EHS Manager will ensure in coordination with Site Engineer that all measure/construction
taken shall be maintained till completion of job.
• It is the responsibility of Construction Manager/Site Engineer that construction activities are
executed according to the relevant project specification in compliance with the quality,
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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

schedule & safety requirements.
• EPC will ensure that all works are performed safety according to the attachment.
• The relevant EPC Supervisor will ensure that the work is carried out in accordance with this
method statement and project specification.
• The QC Inspector will ensure that the work is executed according to the requirements of quality
dossier are fulfilled.
5.0 PROCEDURE AND SEQUENCE
4.1 Bitumen Emulsion Paint
4.1.1Surface Preparation
 All surfaces must be free of grease, oil and dust. Very smooth surfaces should be
roughened for better adhesion. Loose rust, moss, lichens, crumbling cement, deteriorated
fiber cement and degraded bituminous substances must be removed either mechanically or
chemically.
 Surface faults such as blisters, holes and cracks should be cleaned out, then repaired with a
flexible filler such as silicon, mastic, etc. Small hairline cracks will be monitoring case by

B

case specification and proposal method to repair if cracks development, if not development
can be painted with bitumen waterproofing emulsion by brush in, allow in dry then repeat
until filled or at least sealed.
 Arises shall be rounded off and surface protrusions shall be grind down to ensure a smooth
substrate.
 All standing water shall be removed from the concrete.
4.1.2 Temperature Conditions
 Before applying, the surface temperature must be within 5ºC - 40ºC. If temperature is too
high, surfaces should be cooled down by water. Surface should be moist but water is not

allowed to remain on the surface.
4.1.3 Application

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

 It is imperative that Bitumen Waterproofing Emulsion is applied to a clean surface to ensure
a firm enduring bond to substrate.
 Application shall be by brush roller or squeegees on to the previously prepared substrate.
 Allow the first coat to dry before applying the second coat, allow the second coat to dry

B

before applying the third coat, in accordance with ASTM specifications. Contractor can use
coverage meter to check thickness, as the manufacture testing estimate the timing duration
for drying each layer is 4-5 hours.

Bituminous final coating

B

Bituminous coating
Primer coating
Concrete Structure

6.0 QUALITY CONTROL
•The Site Inspection and Test Plan (ITP) for this work summarizes various characteristics to
be checked. The concerned Site Engineer/Foreman will be responsible to ensure stage wise

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

compliance for this operation and the Site QA/QC Engineer/Inspector will carry-out quality
control checks and report the inspection results.
7.0 ENVIRONMENT, HEALTH AND SAFETY (EHS)
7.1 Responsibilities
•PM/EHSS Officer shall ensure that all work is undertaken in accordance with the specified
work scope.
•Safety training should be conducted to all personnel assigned at site prior to commence any
work.
•All personnel should know the locations of fire extinguishers, communications, manual
alarms.
•All personnel should be aware of assembly points, escape routes, emergency contact
numbers.
•Personal Protective Equipment (PPE) shall be worn at all times.
•Good housekeeping shall be observed in work areas.
•Construction wastes shall be segregated and disposed to an approved dump yard area.
•Adequate lighting equipment when working night time.
•Ensure all workers and equipment working overtime are properly accounted and obtained
permit/approval from Doosan EHS Manager prior to carry-on works.
•Periodic refresher trainings, tool box talk and audit shall be conducted.
7.2 Safety
•Personal Protective Equipment (PPE) will be issued to all workers such as safety shoes, hard
hat, working gloves, earplug, safety goggles, reflective vest and safety harness for workers
who will be assigned.
•Wearing of the basic PPE will be enforced fully

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

7.3 Job Safety Analysis

APPENDIX A
JOB DESCRIPTION:
Step / Activity

1.Site
Preparation

Painting Ceiling, Wall and Floor activity

Work Task

Potential Hazard

Consequences

Revision : 2
Risk
Assess
ment

Hazard Control

Residual

Risk

I

L

R

I

L

R

Additional Control
:

Action Required by :

1.1 PTW
applying

1.1.1 Hazards and safety
precautions unidentified

-Incompliance
with DVN
permits to work
requirements.
-PTW is not

granted
-Down time

2

D

M -Competent PTW coordinator
assigned.
-Supervisors ensure the right
information be write and thick on
the certificate.
-Permit applicant ensure RA and
AA sign the daily approval part
before proceed activity at site.

2

B

L

Refresher PTW
training

Site Supervisor

1.2 Tools &
equipment
Inspection

1.2.1 Improper body
posture

-Back Injury

2

D

M - Implement proper body
posture/method for manual
handling

2

B

L

Ergonomic
training
- Brief to
workers related
to back
injury
prevention.

Site Supervisor

-Use buddy system as help of
friend or use machinery
- Use legs not back to lift
-Do not manual carrying
material with over 25kg alone.
- Use mechanical lifting
whenever possible

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

1.3
Equipment/
tools and
material
mobilizatio
n to
worksite

1.4 Loading
and
unloading
materials
(manual
handling/Lif
ting)

1.2.2 Electrocution

-Physical Injury

2

D

M -Ensure the power connection
been unplug from outlet before
inspection.
-Only authorized person are
allowed to perform inspection
activity.

2

B

L

1.3.1 Sharp edges

-Physical injury

2

D

M

2

B

L

Refresher
training (hand
injury)

Site Supervisor

1.3.2 Uncertified
equipment

-Equipment not
granted to use

2

D

M -Use proper equipment for the job
-all equipment must be in good
condition
-No modification on tools and
equipment are allowed to be
inspect

2

B

L

Quater colour
coding system
be implemented

Site Supervisor

1.4.1 Improper body
posture

Musculoskeletal
disorder
-Back pain

2

D

M - Implement proper body
posture/method for manual
handling
-Implement buddy system during
perform manual handling

2

B

L

Ergonomic
training
-Brief to
workers related
to back injury
prevention

Site Supervisor

2

B

L

Refresher
training (hand

Site Supervisor

-Brief to workers regarding on
hand injury prevention.
-To wear hand protection (hand
gloves)

- Use legs not back to lift

-Do not manual carrying
material with over 25Kg alone.
- Use mechanical lifting
whenever possible
1.4.2 Sharp edges

-Physical injury

2

D

M

-Brief to workers regarding on
hand injury prevention.

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

-To wear hand protection (hand
gloves)

1.5 Loading
and
unloading
materials
Lifting using

crane
(mobile/
mounted)

injury)

1.4.3 Pinch point

-Hand/finger
injury

2

D

M -Workers must aware of pinch
point hazard during handle the
material.
-Use a suitable hand glove.

2

B

L

Awareness
training for
pinch point.

Site Supervisor

1.5.1 Lorry Crane topple
due to unstable ground

-property
damaged
-physical injury

3

C

M -access for vehicle moving must
be level and compact.
-Lorry must be inspected with
colour coding
- Operator must have full attention
and not allowed to use cell phone
- Use flagmen to direct equipment
operators, keep all other workers
clear of operating equipment.
- To follow speed limit of 10km/h.
- Contractor to ensure vehicle in
good condition.

3

B

L

Quater colour
coding system
be implemented

Site Supervisor
Lifting Crew
Operator

1.5.2 Mechanical Failure

-property
damaged
-physical injury

3

C

M -Crane must be inspected by
authorized person. Maintenance of
crane to be once a month in
according to manufacturer’s
instructions.
- Contractor to ensure vehicle in
good condition.
-Crane must be inspected with
colour coding
- Operator must have full attention

and not allowed to use cell phone

3

B

L

Quater colour
coding system
be implemented

Site Supervisor
Lifting Crew
Operator

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

1.5.3 Crane Topple

-property
damaged
-physical injury

1.5.4 Falling Material

-Property

damaged
-Physical injury

3

C

M -Must fill SWF and Lifting
Certificate checklist.
-Check ground conditions and all
safety switches.
-Plan and coordinate all lifting
operation and ensure crane
operator do not exceed radius and
load.
-Barricade the working radius.
-Provide warning sign “No Entry,
Lifting Operation in Progress”.
-Banks man/signalman to be
provided.
-All materials which to be loaded
are to be checked by Lifting
supervisor on the correct and safe
rigging method.
-Must control LOAD by using
double
tagline.
-Follow 3.3.3 lifting rule.

3

B

L

Quater colour
coding system
be implemented

Site Supervisor
Lifting Crew
Operator

-Barricade the working radius.
-Provide warning sign “No Entry,
Lifting Operation in Progress”.
-All materials which to be loaded
are to be checked by Lifting
supervisor on the correct and safe
rigging method.
-Loads are not to be lift over
personnel.

3

B

L

Quater colour

coding system
be implemented

Site Supervisor
Lifting Crew
Operator

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

-Personnel are not to stand under
suspended loads.
-All small items to be placed in an
approved metal basket and all
loose materials to be secured
before hoisting.
-Must control LOAD by using
double tagline
1.5.5 Collision

-property
damaged
-physical injury

3

C

M -All operators are to be briefed and
warned of others crane users.
-Avoid two cranes operating at the
same time in the same area.
-Lifting supervisors to plan and
coordinate on the lifting with
operator and rigger / signalman of
the boom swing area, hoisting,
lowering path and visibility.
-Crane operator and rigger /
signalman must maintain contact
by means of communications set
and remain visible / alert all the
time.
-All communications to be tested
and checked before in operations.
–All lifting supervisor and
rigger/signal man to be equipped
with whistle and luminous vest.
-Crane operators should not leave
his seat during hoisting.

3

B

L

Quater colour
coding system

be implemented

Site Supervisor
Lifting Crew
Operator

1.4.1 Improper body
posture

Musculoskeletal
disorder
-Back pain

2

D

M - Implement proper body
posture/method for manual
handling
-Implement buddy system during

2

B

L

Ergonomic
training

-Brief to
workers related

Site Supervisor

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

perform manual handling

to back injury
prevention

- Use legs not back to lift
-Do not manual carrying
material with over 20Kg alone.
- Use mechanical lifting
whenever possible
2. Surface
Preparation

2.1 Clean
surface by
stiff wire
brushing

2.1.1 Dust

- Inhalation
effect
- Eyes injury

3

C

M -To put water on the floor to
minimize dusty
-Portable eye wash station will be
available near to the activity area.
-Ensure use additional PPE (N95
mask) and Safety glasses.

3

B

L

2.1.2 Slippery floor can
cause
slip and fall

-Physical injury

3

C

M -Ensure safety shoes free from
clay
-Proper lighting to be provided
-Ensure no water stagnant on the
floor

3

B

L

Slip, trip and fall
awareness
training

Site Supervisor

2.1.3 Improper body
posture

-Muscle strain
and body
fatigue

3

C

M -Implement buddy system during
activity
-Proper body posture during
cleaning activity

3

B

L

Ergonomic
training

Site Supervisor

2.1.4 Heat stress
/Dehydration

- Collapsed and
faint

2

C

L

2

B

L

- Enough rest and fit before start
the work.
- Sufficient supply of fresh and
clean drinking water to avoid
dehydration

Site Supervisor

-Heat stress
campaign and
awareness
training

Site supervisor

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

3. Placing Mastic of
Emulsion Paint

3.1 Mix
skim coat
with clean

water and
place
mastic on
surface

2.1.5 Insufficient lighting

-Limited vision

3

C

M -Sufficient lights to be provided at
working area (100-lux working
area/50-lux access).

3

B

L

-To perform lux
test before start
activity

Site Supervisor

3.1.1 Chemical contact

-Inhalation
effect
-Eye injury
-Skin irritation

3

D

M -To brief SDS to the workers before
start
-To ensure continuous ventilation
for inside building area (using air
blower)
-To provide portable eye wash
-to wear proper hand
gloves(chemical gloves), safety
glass and face mask (N95)

2

C

L

SDS training

Site Supervisor

3.1.2 Improper body
posture

-Muscle strain
and body
fatigue

3

C

M -Implement buddy system during
activity
-Proper body posture during
material handling

3

B

L

Ergonomic
training

Site Supervisor

3.1.3 Heat stress
/Dehydration

- Collapsed and
faint

2

C

L

- Enough rest and fit before start
the work.
- Sufficient supply of fresh and
clean drinking water to avoid
dehydration

2

B

L

-Heat stress
campaign and
awareness
training

Site supervisor

3.1.4 Chemical spillage

-Environment
effect

2

C

L

-Ensure all the chemical put in the
tray
-Chemical paint container must
close with cover all the time when
not in use
-Dedicated temporary chemical
storage to stored paint chemical
(avoid placing on the naked ground

2

B

L

Site Supervisor

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

surface)

3.1.5 Mastic splash to
eyes

- Eyes injury

3

C

M -Give a training to the worker how
to handle chemical
-To provide portable eye wash
-To wear safety goggle to perform
this activity

2

C

L

Site Supervisor

3.1.6 Paint bucket topple

-Environment
effect

2

C

L

-Ensure all the chemical put in the
tray
-Not put paint bucket around
access and egress area.

2

B

L

Site Supervisor

3.1.7 Lack of oxygen

-Physical injury

3

C

M -Ensure inside building area is free
from any flammable/toxic

atmosphere and has sufficient
oxygen for normal breathing.
-Ensure to provide two way
ventilation(suck in/suck out)

3

B

L

Site Supervisor

3.1.8 Fall from height

-Physical injury

4

C

H

4

B

M -Resfresher
WAH training

Site supervisor

-Proper elevated working platform
to be built
-Safety net to be installed
underneath the elevated working
platform if practicable.
-Gap between elevated work
platform and wall must not be
greater than 300 mm
-Covering/hard barricaded with
warning sign for opening on
elevated work platform

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

-No unauthorized removing cover
of opening
-Sufficient lighting for the whole
elevated working platform (100lux
working
area/50lux access).
-All personnel to be trained with
WAH
-All personnel compulsory to use
safety harness with DOUBLE
LANYARD on elevated work

platform
-Use provided access and egress
and no taking shortcut.
-Use free hands while climbing
ladder (3 points contatcs)

4. Placing

4.1 Place
emulsion
on surface

4.1.1 Chemical contact

-Inhalation
effect
-Eye injury
-Skin irritation

3

D

M -To brief SDS to the workers before
start
-To ensure continuous ventilation
for inside building area
-To provide portable eye wash
-to wear proper hand gloves
(chemical gloves), safety glass and

face mask (N95)

2

C

L

-SDS training

Site Supervisor

4.1.2 Improper body
posture

-Muscle strain
and body
fatigue

3

C

M -Implement buddy system during
activity
-Proper body posture during
material handling

3

B

L

Ergonomic
training

Site Supervisor

4.1.3 Chemical spillage

-Environment
effect

3

C

M -Ensure all the skim coat put in the
tray

3

B

L

Chemical
handling

Site Supervisor

Emulsion Paint

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

-Chemical container must close
with cover all the time when not in
use

awareness
training

4.1.4 Paint splash to eyes

- Eyes injury

3

C

M -Give a training to the worker how
to handle chemical
-To provide portable eye wash
-To wear safety goggle to perform
this activity

2

C

L

4.1.5 Paint bucket topple

-Environment
effect

2

C

L

-Ensure all the chemical put in the
tray
-Not put paint bucket around
access and egress area.

2

B

L

Site Supervisor

4.1.6 Lack of oxygen

-Physical injury

3

C

M -Ensure inside building area is free
from any flammable/toxic
atmosphere and has sufficient
oxygen for normal breathing.
-Ensure to provide two way
ventilation(suck in/suck out)

3

B

L

Site Supervisor

4.1.7 Fall from height

-Physical injury

4

C

H

4

B

M -Resfresher
WAH training

Site supervisor

-Proper elevated working platform
to be built
-Safety net to be installed
underneath the elevated working
platform if practicable.
-Gap between elevated work
platform and wall must not be
greater than 300 mm
-Covering/hard barricaded with

SDS training

Site Supervisor

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

warning sign for opening on
elevated work platform
-No unauthorized removing cover
of opening
-Sufficient lighting for the whole
elevated working platform (100lux
working area/50lux access).
-All personnel to be trained with
WAH
-All personnel compulsory to use
safety harness with DOUBLE
LANYARD on elevated work
platform
-Use provided access and egress
and no taking shortcut.
-Use free hands while climbing
ladder (3 points contatcs)
5. Placing Epoxy
Paint
5.1 Apply
epoxy paint
on the floor

Site Supervisor
5.1.1 Chemical contact

-Inhalation
effect
-Eye injury

-Skin irritation

3

D

M -To brief SDS to the workers before
start
-To ensure continuous ventilation
for inside building area
-To provide portable eye wash
-to wear proper hand
gloves(chemical gloves), safety
glass and face mask (N95)

2

C

L

-SDS training

5.1.2 Improper body
posture

-Muscle strain
and body
fatigue

3

C

M -Implement buddy system during
activity
-Proper body posture during
material
handling

3

B

L

Ergonomic
training

Site Supervisor

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

5.1.3 Chemical spillage

-Environment
effect

3

C

M -Ensure all the skim coat put in the
tray
-Chemical container must close
with cover all the time when not in
use

3

B

L

Chemical
handling
awareness
training

Site Supervisor

5.1.4 Paint splash to eyes

- Eyes injury

3

C

M -Give a training to the worker how
to handle chemical
-To provide portable eye wash
-To wear safety goggle to perform
this activity

2

C

L

SDS training

Site Supervisor

5.1.5 Heat stress
/Dehydration

- Collapsed and
faint

2

C

L

- Enough rest and fit before start
the work.
- Sufficient supply of fresh and
clean drinking water to avoid
dehydration

2

B

L

-Heat stress
campaign and
awareness
training

Site supervisor

5.1.6 Paint bucket topple

-Environment
effect

2

C

L

-Ensure all the chemical put in the
tray
-Not put paint bucket around
access and egress area.

2

B

L

Site Supervisor

5.1.7 Lack of oxygen

-Physical injury

3

C

M -Ensure inside building area is free
from any flammable/toxic
atmosphere and has sufficient
oxygen for normal breathing.
-Ensure to provide two way
ventilation(suck in/suck out)

3

B

L

Site Supervisor

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VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

6. Painting wall
6.1 Painting
wall using
Gondola
platform

6.1.1 Mechanical Failure

-property
damaged
-physical injury

3

C

M - Operator must have full attention
and not allowed to use cell phone
-Gondola platform must be

inspected by authorized person.
Maintenance of gondola platform
to be once a month in according to
manufacturer’s instructions.
- Contractor to ensure equipment
in
good condition.
- gondola platform must be
inspected with
colour coding.

3

B

L

Quater colour
coding system
be implemented

Site Supervisor
Operator

6.1.2 Broken Gondola
platform

-property
damaged
-physical injury

3

C

M -Must to do daily checklist.
-Provide warning sign “No Entry,
Authorized Person Allowed”.
-Signalman to be Standby.
-Proper setting anchor point follow
MS.
-Follow SWL.
-Daily checking wire rope before
you.

3

B

L

Quater colour
coding system
be implemented

Site Supervisor
Lifting Crew
Operator

6.1.3 Falling from bucket

-Physical injury
-Fatality

4

C

H

4

B

M -Resfresher
WAH training

-Gap between elevated work
platform and wall must not be
greater than 300 mm
-No unauthorized personnel to
control boom lift panel
-All personnel to be trained with
WAH
-All personnel compulsory to use

Site supervisor

Page | 18

VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

safety harness with DOUBLE
LANYARD in the bucket.

6.1.4-Fall from height

People injury

4

C

H

4

B

M

-Proper elevated working platform
to be built
-Safety net to be installed
underneath the elevated working
platform if practicable.
-Gap between elevated work
platform and wall must not be
greater than 300 mm

-Covering/hard barricaded with
warning sign for opening on
elevated work platform
-No unauthorized removing cover
of opening
-Sufficient lighting for the whole
elevated working platform (100lux
working area/50lux access).
-All personnel to be trained with
WAH
-All personnel compulsory to use
safety harness with DOUBLE
LANYARD on elevated work
platform
-Use provided access and egress
and no taking shortcut.
-Use free hands while climbing
ladder (3 points contatcs).

4

B

M -Resfresher
WAH training

3

B

L

Site supervisor

Page | 19


VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

7. Night work /
extended
hours

8. Job
Completion.

7.1 Painting
at night

8.1
Housekeepi
ng activity

7.1.1 Poor lighting (Night
Work)

-Physical injury
-Fatality

-Provide sufficient lighting (100 lux

for working area, 50 lux for access
way)
-To wear suitable PPE (e.g. clear
goggles)

-Conduct night
Toolbox Talk

Site Supervisor

7.1.2 Biological hazard
(poisonous insect, reptile
and animal)

-Physical injury
-Fatality

Site Supervisor

2

B

L

-Emergency
contact
numbers to be
available at site
and brief to all

workers
-First aider to be
available at site

2

B

L

-Monitoring of
workers
Overtime

Site Supervisor

3

B

L

-All workers to be vigilant at all
time
-To ensure work area clean and
tidy prior to start work
-Observe presence of poisonous
insects, reptile and animal, which
may attracted to light.

3

B

L

-Management of fatigue.
-Rotaring manpower.

7.1.3 Workers overwork

-Physical injury
-Depression

8.1.1 Material obstruction

-Physical Injury
-Property
damage

3

C

M -Safe access and egress to be
maintain
-Proper material arrangement
-Ensure all loose material keep in
bag and container
-Keep all material at designated

area and barricade with a signage
-Wear proper PPE

3

B

L

8.1.2 Sharp edges

-Physical injury

2

D

M -Brief to workers regarding on
hand injury prevention.
-To wear hand protection (hand
gloves)

2

B

L

Site Supervisor

Refresher
training (hand
injury)

Site Supervisor

Page | 20


VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

8.1.3 Slip/trip/fall

-Physical injury

2

D

M -Proper access and elevated
working plaform to be provided
-Sufficient lighting to be provide
-Good housekeeping to be
maintain

3

B

L

Site Supervisor

8.1.4 Drop object

-Physical injury
-Property
Damage

2

D

M -Equipment/tool to be properly
secured/ handled/tight

3

B

L

Site Supervisor

Page | 21


VAN PHONG 1 BOT THERMAL POWER PLANT PROJECT

RISK CLASSIFICATION MATRIX

Severity/Mức độ ảnh
hưởng

IMPACT
TÁC ĐỘNG/ẢNH HƯỞNG/HẬU QUẢ

LIKELIHOOD
KHẢ NĂNG XẢY RA

LOW RISK
Rủi ro thấp

2
Minor/
Nhẹ

3
Moderate/
Vừa phải

4
Major/
Lớn

5
Catastrophic/
Nghiêm trọng

People/ Đ/v người

Slight Injury

Minor Injury

Major Injury

Single Fatality

Multiple Fatalities

Environment/Đ/v môi
trường
Assets/ Đ/v tài sản

Slight Impact

Minor Impact

Localized Impact

Major Impact

Massive Impact

Slight Damage

Minor Damage

Local Damage

Major Damage

Significant Damage

Slight Impact

Limited Impact

Major National Impact

Happens several time per
year in the location

E1

E2

Considerable
Impact
E3

E4

Major International
Impact
E5

Happens several time per
year in the industry

D1

D2

D3

D4

D5

Incident has occurred in
the company

C1

C2

C3

C4

C5

Heard of incident in the
industry

B1

B2

B3

B4

B5

Never heard of in the
industry

A1

A2

A3

A4

A5

Reputation/ D0/v danh tiếng
E
Almost Certain/
Gần như chắc chắn
D
Likely/
Rất Có thể xảy ra
C
Possible/
Có khả năng xảy ra
B

Unlikely/
Khơng chắc xảy ra
A
Remotely Likely/
Rất hiếm/khó xảy ra

1
Insignificant/
Cần xem xét

MEDIUM RISK
Rủi ro mức trung
bình

HIGH RISK
Rủi ro cao

VERY HIGH RISK
Rủi ro rất cao

Page | 22


VAN PHONG 1 BOT THERMAL POWER PLANT
PROJECT

8.0 GPS MEMBRANE SPECIFICATION

Page | 23