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SCIENCE AND TECHNOLOGY CORPORATION FOR THE NAVAL,MARITIME AND RIVERINE INDUSTRIES

Project:Offshore Patrol Vessel OPV80

Hull No. 069 Rev.: 1 Page. 1 de 29

Date: 2012-08-01

NON DESTRUCTIVE TESTING PLAN

HULL No. 069

OFFSHORE PATROL VESSELOPV 80

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Project:Offshore Patrol Vessel OPV80

Hull No. 069 Rev.: 1 Page. 2 de 29

Date: 2012-08-01

1. GENERAL

The scope of each the non-destructive testing (NDT) shall be used underGL-2000, Rules for Material and Welding: II Part 3, Chapter 2, Section4 and Chapter 3, Section 1 - 2, part C.

2. SCOPE

2.1. Main Dimensions OPV 80Length overall: 80.60 mBeam Moulded: 13.0 mBeam True: 13.8 m.Depth: 6.50 m.Design Draught: 3.80 m.

2.2. Inspection pointsThe following Lumber of inspection points was determined:

Welded Joints Quality Grade I 117Welded Joints Quality Grade II 76__________________________________________________Total number of inspection points 193

3. METHODS AND PERSONNEL NDT.

3.1.NDT Methods.

The following methods shall be used:Visual Inspection (VT)Radiographic Testing (RT)Ultrasonic Testing (UT)Magnetic Particle Testing (MT)Liquid Penetrant Testing (PT)

3.2. Personnel

The non-destructive test shall be performed by qualified and trained ineach of the techniques. The non-destructive testing shall carry out in

accordance with GL-2000, Rules for Material and Welding: II

Part 3,Chapter 2, Section 4, part C.

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Hull No. 069 Rev.: 1 Page. 3 de 29

Date: 2012-08-01

4. INSPECTION PLANThe location of inspection points in butt joints is shown in the shellexpansion and transversal bulkheads.

The location of inspection points in superstructure (aluminum), decks andlongitudinal bulkheads shall be determined with local Surveyor.

5. NON-DESTRUCTIVE TESTING (NDT)

5.1 Visual Inspection (VT)

All welded joints shall be visually inspected. In fillet joints is measurethe size according to approved drawings and welding table. Also verifythe integrity and quality of the surface of the beads.

5.2.Liquid Penetrant Testing (PT) and Magnetic Particle Testing (MT).

All welded joints at engine and generator foundation will be inspectedwith MT. In places where in not possible carry out MT will be inspectedwith PT.

Fillet joints with thickness greater than 30 or equal will be inspectedusing MT or PT.

Other sections to be tested for these methods are crane base and bitt.

5.3. Ultrasonic Testing (UT)

The total number of inspection points listed in item 2.2 is preferablyinspected using UT. For the ultrasonic inspection will be used anultrasonic flaw detector with scan A or scan S representation, and thelength of inspection shall be minimum 1000mm.

In some cases and in agreement with the Surveyor, the ultrasonictesting (UT) can be replaced by radiographic testing (RT). For the RTwill be used a source of Iridium 192 and the length inspection shall be

480mm

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Project:Offshore Patrol Vessel OPV80

Hull No. 069 Rev.: 1 Page. 4 de 29

Date: 2012-08-01

All checkpoints are shown in the drawings on pages 5, 6, 7, 8, 9, 10, 11,12, 13 and 14.

Other parts to be inspected by ultrasonic testing are:

Butt joints of the engine foundation

Outrigger

Joints between the rudder stock and blade attachment

Shaft struts bossing and shaft struts shell insert. Bow thruster tunnel union

The following table summarizes the number of inspection points:

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Project:Offshore Patrol Vessel OPV80

Hull No. 069 Rev.: 1 Page. 5 de 29

Date: 2012-08-01

Table 1. Summary NDT Point.

SYMBOL POSITION R.T. U.T. M.T. P.T. TOTAL LENGTH (M)

PS,SB -SP Shell Plate 26 73 99 85.48

TBHD Transverse Bulkhead 24 22 46 33.5

KP Keel Plate 12 12 12

TD Tween Deck 4 4 4

MD Main Deck 4 6 10 7,92

SD Superstructure Deck 4 4 4

WDWheelhouse Deck

(Aluminum)10 10 10

ND Navigation Deck 3 3 3

LBHD Longitudinal Bulkhead 5 5 5

SUB-TOTAL NDT 54 139 193 164.9

Notes:R.T. = Radiographic Testing

U.T. = Ultrasonic TestingM.T. = Magnetic Particle TestingP.T. = Penetrant Liquid Testing

Symbol:

RADIOGRAPHIC TESTING

ULTRASONIC TESTING

MAGNETIC PARTICLE TESTING

PENETRABLE LIQUID TESTING

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Project:Offshore Patrol Vessel OPV80

Hull No. 069 Rev.: 1 Page. 6 de 29

Date: 2012-08-01

Table 2. Shell Plating NDT Check List. (SP)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

RemarkT1 T2

SB-1 1000

PS-2 1000

SB-3 1000

PS-4 1000

SB-5 1000PS-6 1000

SB-7 1000

PS-8 1000

SB-9 1000

PS-10 1000

SB-11 1000

PS-12 1000

SB-13 1000

PS-14 1000

SB-15 480PS-16 480

SB-17 480

PS-18 480

SB-19 480

PS-20 480

SB-21 1000

PS-22 1000

SB-23 1000

PS-24 1000

SB-25 1000

PS-26 1000

SB-27 480

PS-28 480

SB-29 480

PS-30 480

SB-31 1000

PS-32 1000

SB-33 1000

PS-34 1000

SB-35 480

PS-36 480SB-37 1000

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Table 2. Shell Plating NDT Check List. (SP)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

PS-38 1000

SB-39 1000

PS-40 1000

SB-41 1000

PS-42 1000SB-43 1000

PS-44 1000

SB-45 480

PS-46 1000

SB-47 1000

PS-48 1000

SB-49 480

PS-50 1000

SB-51 1000

PS-52 1000SB-53 1000

PS-54 1000

SB-55 1000

PS-56 1000

SB-57 1000

PS-58 1000

SB-59 1000

PS-60 1000

SB-61 1000

PS-62 480

SB-63 480

PS-64 480

SB-65 480

PS-66 1000

SB-67 1000

PS-68 1000

SB-69 1000

PS-70 1000

SB-71 1000

PS-72 1000

SB-73 1000

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Table 2. Shell Plating NDT Check List. (SP)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

PS-74 1000

SB-75 1000

PS-76 1000

SB-77 1000

PS-78 480SB-79 480

PS-80 480

SB-81 480

PS-82 1000

SB-83 1000

PS-84 1000

SB-85 1000

PS-86 1000

SB-87 1000

PS-88 1000SB-89 1000

PS-90 480

SB-91 480

PS-92 480

SB-93 480

PS-94 1000

SB-95 1000

PS-96 1000

SB-97 1000

PS-98 1000

SB-99 1000

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Table3. Transverse Bulkhead NDT Check List. (TBHD)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

TBHD-1 1000

TBHD-2 1000

TBHD-3 1000

TBHD-4 1000

TBHD-5

1000TBHD-6 1000

TBHD-7 1000

TBHD-8 1000

TBHD-9 1000

TBHD-10 1000

TBHD-11 1000

TBHD-12 1000

TBHD-13 1000

TBHD-14 1000

TBHD-15

1000TBHD-16 1000

TBHD-17 1000

TBHD-18 1000

TBHD-19 1000

TBHD-20 1000

TBHD-21 1000

TBHD-22 1000

TBHD-23 480

TBHD-24 480

TBHD-25 480

TBHD-26

480

TBHD-27 480

TBHD-28 480

TBHD-29 480

TBHD-30 480

TBHD-31 480

TBHD-32 480

TBHD-33 480

TBHD-34 480

TBHD-35 480

TBHD-36 480

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Date: 2012-08-01

Table3. Transverse Bulkhead NDT Check List. (TBHD)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

TBHD-37 480

TBHD-38 480

TBHD-39 480

TBHD-40 480

TBHD-41

480TBHD-42 480

TBHD-43 1000

TBHD-44 480

TBHD-45 480

TBHD-46 1000

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Date: 2012-08-01

Table 4. Keel Plate NDT Check List. (KP)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

KP-1 1000

KP-2 1000

KP-3 1000

KP-4 1000

KP-5

1000

KP-6 1000

KP-7 1000

KP-8 1000

KP-9 1000

KP-10 1000

KP-11 1000

KP-12 1000

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Table 5. Tween Deck NDT Check List. (TD)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

TD-1 1000

TD-2 1000

TD-3 1000

TD-4 1000

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Project:Offshore Patrol Vessel OPV80

Hull No. 069 Rev.: 1 Page. 13 de 29

Date: 2012-08-01

Table 6. Main Deck NDT Check List. (MD)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

MD-1 1000

MD-2 1000

MD-3 480

MD-4 1000

MD-5

480MD-6 1000

MD-7 1000

MD-8 480

MD-9 480

MD-10 1000

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Table 7. Superstructure Deck NDT Check List. (SD)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

SD-1 1000

SD-2 1000

SD-3 1000

SD-4 1000

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Table 8. Wheelhouse Deck NDT Check List. (WD)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

WD-1 1000

WD-2 1000

WD-3 1000

WD-4 1000

WD-5

1000

WD-6 1000

WD-7 1000

WD-8 1000

WD-9 1000

WD-10 1000

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Date: 2012-08-01

Table 9. Navigation Deck NDT Check List. (ND)

I/D No.Activity

No.

Thickness(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

ND-1 1000

ND-2 1000

ND-3 1000

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Date: 2012-08-01

Table 10. Longitudinal Bulkhead NDT- Check List. (LBHD)

I/D No.Activity

No.

Thicknes(mm)

CheckLength(mm)

R.T.(%)

U.T.(%)

M.T.(%)

Remark

T1 T2

LBHD-1 1000

LBHD-2 1000

LBHD-3 1000

LBHD-4 1000

LBHD-5

1000

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