Ns2 dh01 p0zen 140001 itp for earthing and lighting protection system rev 0

FOR CONSTRUCTION

0
Rev

24/01/2019
Date

N.Q.HUY Y.H.KANG
Prepared
Checked

Y.H.KANG
Approved

FOR CONSTRUCTION
Details of Revision

Owner

Owner’s Engineer

Contractor

DOOSAN HEAVY INDUSTRIES VIETNAM
Sub-Supplier

Project

NGHI SON 2 BOT THERMAL POWER PLANT PROJECT
(2 X 600 MW)

Title

INSPECTION AND TEST PLAN FOR EARTHING
AND LIGHTNING PROTECTION SYSTEM
Document No.
NS2-DH01-P0ZEN-140001

Rev. 0

Rev.

Page-No.

0

6 pages


CONTENTS

1. Inspection and Test Plans for earthing system
2. Inspection and Test Plans for lightning protection system
3. Inspection Report for earthing System
4. Inspection Report for lightning protection system

Detailed Legend
S:

Surveillance Point : A point where Contractor and others may carry out surveillance of
work in progress and documentation associated on an unscheduled basis, with no

notification required by any party and without amendment to the scheduled program

R : The documents are to be submitted to the appropriate inspectorate for review by Owner.
Note that work shall not proceed until Owner approval has been received.

W : A point beyond which work may proceed without formal documented approval by any of the
inspectorate. An Inspection Request to inform Owner is required; however work may
proceed should Owner fail to respond to the Inspection Request

H : A point beyond which work shall not proceed without formal approval by the appropriate
inspectorate.

Rev. 0


NS2PC
DVN

Nghi Son 2 BOT Thermal Power Plant

1. Inspection and Test Plans for earthing system
ID No.

NGHI SON 2 THERMAL POWER PLANT PROJECT
TITLE:

No.

NS2-DH01-P0ZEN-141001

Rev

0

Date

24-01-2019

INSPECTION AND TEST PLAN FOR EARTHING SYSTEM
Description of Inspection/ Test
Process

Applicable Code &
Standard Documentation

Reporting
format

1

Verify material type, size, quantity
and physical damage

Drawing/Method
Statement

NS2-DD09-P0ZEN140001

2

Earthing Installation

Drawing/Method
Statement

NS2-DD09-P0ZEN140001

Inspection & Test Activities
Sub
Contractor

Doosan

Owner/Owner
Engineer

H

W

R

2.1

Installation of the earthing rode (if
required)

Drawing/Method Statement

NS2-DD09-P0ZEN140001

H

2.2

Laying the earthing cable

Drawing/Method Statement

NS2-DD09-P0ZEN140001

H

W

W

Drawing/Method Statement

NS2-DD09-P0ZEN140001

H

W

S

Drawing/Method
Statement

NS2-DD09-P0ZEN140001

H

W

W

2.3

3

Bonding & connection

Earth Resistance Measurement
Abbreviation :

S: Surveillance

Rev. 0

R: Report Review

W: Witness Inspection

W

H: Hold Inspection

S

Remarks


NS2PC
DVN

Nghi Son 2 BOT Thermal Power Plant

2. Inspection and Test Plans for lightning protection system
NGHI SON 2 BOT THERMAL POWER PLANT PROJECT

TITLE:

No.

INSPECTION AND TEST PLAN FOR
Description of Inspection/ Test
Process

ID No.

NS2-DH01-P0ZEN-140001

Rev

0

Date

24-01-2019

LIGHTNING PROTECTION SYSTEM
Applicable Code &
Standard Documentation

Reporting
format

1

Verify material type, size, quantity
and physical damage

Drawing/Method
Statement

NS2-DD09-P0ZEN140001

2

Lightning

Drawing/Method
Statement

NS2-DD09-P0ZEN140001

Installation

Inspection & Test Activities
Sub
Contractor

Main
Contractor

Owner/Owner
Engineer

H

W

R

2.1

Installation of the air termination
conductor (if required)

Drawing/Method Statement

NS2-DD09-P0ZEN140001

H

W

S

2.2

Laying the lightning cable

Drawing/Method Statement

NS2-DD09-P0ZEN140001

H

W

W

2.3

Bonding & connection

Drawing/Method Statement

NS2-DD09-P0ZEN140001

H

W

S

Drawing/Method

Statement

NS2-DD09-P0ZEN140001

H

W

W

3

Earth Resistance Measurement
Abbreviation :

S: Surveillance

Rev. 0

R: Report Review

W: Witness Inspection

H: Hold Inspection

Remarks


NS2PC
DVN

Nghi Son 2 BOT Thermal Power Plant

3. Inspection Report for Earthing System

OWNER

IR No.

INSPECTION REPORT
FOR
EARTHING SYSTEM

CONTRACTOR

DATE

SUBCONTRACTOR

PAGE

Nghi Son 2 BOT Thermal Power Plant Project

PROJECT NAME

of

UNIT NO.

INFORMATION DATA

Const. PKG Name

Construction PKG No.
System/Component

Sys./Component ID

Drawing No./Rev. No.

KKS No.

Related ITP Title

Related ITP Para.

Verification & Approval

CHECK ITEM

No

Yes

1

The type/size of materials as per drawing

2

Verify that the earthing electrodes, support, test link boxes are installed as per drawing?

3

Is the location and elevation of earth cables installed as per drawing?

4

All cad weld/Joints/Connections are correctly performed as per drawing?

5

Excavation and backfilling comply to specification/drawing

6

Is the above-earthing such as earth risers, structure /equipment/test link/Instrument/etc installed properly

7

Measurement of touch voltage, step voltage (if required) , rounding earth resistance
(value to be less than 0.5 Ohm)

No

Remark

N/A

Comments:

No.

Maximum Earth Resistance

Test Instrument

Sub-Contractor

Measurement Value

Tested by

Calibration cert.

Calibration validity

No

Date

Contractor

Full Name

Signature

Date

Rev. 0

Result

Owner/Owner Engineer


NS2PC
DVN

Nghi Son 2 BOT Thermal Power Plant

4. Inspection Report for Lightning Protection System
INSPECTION REPORT
FOR
LIGHTNING SYSTEM

OWNER

CONTRACTOR
SUBCONTRACTOR
PROJECT NAME

IR No.

DATE
PAGE

Nghi Son 2 BOT Thermal Power Plant Project

of

UNIT NO.

INFORMATION DATA
Construction PKG No.

Const. PKG Name

System/Component

Sys./Component ID

Drawing No./Rev. No.

KKS No.

Related ITP Title

Related ITP Para.
INSPECTION DATE & RESULTS

Verification & Approval

CHECK ITEM

No

Yes

1

The type/size of materials as per drawing

2

Verify the location of the air terminal as per drawing

3

The location and elevation of lightning cables as per drawing

4

Is type of Joint and Joint work in accordance with drawing

5

The down-comers shall be implemented by two down-comers strongly interlinked with the main
earthing system

6

Earth test pit, Connection to earth riser, earth electrodes and related support is comply to the drawing

8

Measurement of touch voltage and step voltage(if required), rounding resistance

No

Remark

N/A

Comments:
No.

Maximum Earth Resistance

Test

Measurement Value

Calibration

Instrument

Date

Contractor

Full Name

Signature

Date

Rev. 0

Result

Calibration validity

cert. No

Sub-Contractor

Tested by

Owner/Owner Engineer


NS2PC
DVN

Nghi Son 2 BOT Thermal Power Plant

5. Inspection test report for touch voltage and step voltage
INSPECTION REPORT
FOR
TOUCH VOLTAGE AND STEP
VOLTAGE

OWNER

CONTRACTOR

IR No.

DATE

SUBCONTRACTOR

PAGE

Nghi Son 2 BOT Thermal Power Plant Project

PROJECT NAME

of

UNIT NO.

INFORMATION DATA
Construction PKG No.

Const. PKG Name

System/Component

Sys./Component ID

Drawing No./Rev. No.

Area

Related ITP Title

Related ITP Para.

Test instrument

1.

Touch Voltage Test
No.

2.

Calibration validity
Date

Calibration cert.No

R

I

E

Result

Criteria

1

748.7 V

2

748.7 V

3

748.7 V

Remark

Step Voltage Test
No.

R

I

E

Result

Criteria

1

2515.6 V

2

2515.6 V

3

2515.6 V

Sub-Contractor

Contractor

Full Name
Signature
Date

Rev. 0

Remark

Owner/Owner Engineer