Shipyard review record

Name of Shipyard Date

PT. Bahtera Bahari Shipyard Sept 14th, 2023

1. Details of any management systems

Obtained Approval Certified by Expiry Date Remarks (scope, etc.)

ISO-9001:2015 DGS Certification Feb 21st, 2026 Ship Repair & Ship Building

ISO 14001:2015 DGS Certification Feb 21st, 2026 Ship Repair & Ship Building

ISO 45001:2018 DGS Certification Feb 21st, 2026 Ship Repair & Ship Building

Other:

2. Construction facilities: (Documents such as a brochure of shipyard can be attached in lieu

of completing this section.)
2.1 Building Berth (B) or Dock (D) * In case of berth, Depth is not applicable.
Building
Length Width Depth* Crane
B/D Name Capacity
(m) (m) (m) (Ton x No.)
(G/T)

25 Ton x 1
B Workshop 88 29 - 2100
10 Ton x 1

B B1 150 170 - 20000 50 Ton x 4

B B2 150 220 - 25000 50 Ton x 4

B B3 100 300 - 5000 50 Ton x 3

B B4 150 300 - 35000 50 Ton x 6

B B5 250 175 - 35000 50 Ton x 6

B B6 140 280 - 35000 50 Ton x 2

2.2 Outfitting Quays

Length Width Depth Berthing Capacity Crane
Name
(m) (m) (m) (G/T) (Ton x No.)
Jetty 1 40 8 5 300 50 x 1

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 2.3 Main Fabrication and erection facilities
(1) Marking and cutting of steel plates (including internal members)
- Marking method ( Manual, Photo x , EPM x , NC x others __________)
- NC cutting machine ( Gas x 2 , Plasma x 2 , Laser x )
Control procedure of NC ( On-line, other )
- Cutting equipment ( Edge planer x , Roll-shear x 2 )
EPM: Electrophotographic marking NC: Numerically controlled
(2) Marking and cutting of section bar
- Marking method ( Manual, NC ) - Marking of reference curved line ( Manual, NC )
- Cutting method ( Manual, NC ) - In case of NC ( Gas x , Plasma x )

(3) One-side automatic welding machine ( Yes, No )

- Type of welding machine ( Flux Backing x 2 , Flux and Copper Backing x other___________)
- Existence of special surface plate for plate welding ( Yes, No )

(4) Fillet welding machine ( Gravity, Automatic ) Percentage of automatization except gravity: about 50 %
- Line welder ( No, Yes: submerged arc x heads, CO2 x heads )
- Small automatic fillet welding machine ( No, Yes: Name: OTC × 40 )
- Welding robot ( No, Yes: Portal × , Rectangular × , Articulated × )

(5) Painting equipment

- Plate shot blasting/primer coating machine ( No, Yes: Max. Width m, Length m)
- Section bar shot blasting/primer coating machine ( No, Yes: Max. Length m)
- Special coating factory ( No, Yes: mx mx sections )

(6) Vertical automatic welding machine ( No, Yes: EG x , SEG x , ES x )

EG: Electrogas SEG: Simplified Electrogas ES: Electroslag

(7) Other main fabrication facilities

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 3. Shipyard control of Qualified Welders
(1) Normal steel
certification traceability maintenance of
supervision
qualification

confirm system in
Shipyard workers No No No No
place
confirm system in
Subcontracted workers Yes Yes Yes Yes
place

4. Feature of Construction Procedure

(1) Subcontract of hull blocks (weight)
- Sub members ( No, Yes: Ratio of subcontracted works 80 %, No., of subcontractors 8 )
- Blocks ( No, Yes: Ratio of subcontracted works 20 %, No., of subcontractors 8 )

(2) Method of plate block assembly

- Method fitting and welding longitudinals and transverse webs on jointed panels
- Method welding longitudinals on jointed panels prior to fitting and welding transverse webs
- Method fitting and welding a frame consists of longitudinals and transverse webs on jointed panels
- Method jointing panels with pre-assembled longitudinals by welding prior to fitting and welding transverse webs
(3)- pre-erection outfitting carried out
grand block/mega block adopted
Method of erection at building berth/dock
- Max. weight of loading block: 50 ton
- Construction method in building dock/berth/land construction etc. ( 1 ship, 1.5 ships: Semi-tandem, dual entrance )
- Block loading process ( single starting block, multi starting blocks, inserting block : No, Yes )
(4) Final dock ( No, Yes: In-house, Other place of the same company, Use other company )

(5) Other feature of construction procedure

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 5. Quality Control System: (Refer to Quality Manual, if available.)
Remarks
Item and description Result

(1) Existence of the organization chart including the departments of

design, purchasing, manufacturing and quality assurance Yes
- Are the function, responsibility and competence of the organization
clear?

(2) Quality control organization

- Existence of quality control organization
- Number of employees in this organization 21 persons including the
chief
- Existence of procedures or plans related to tests and inspections

(3)Pre-inspection system of shipyard

- Is pre-inspection carried out prior to shipyard inspection? Yes
- Are pre-inspectors assigned? (Check the list.) Yes
- Number of pre-inspectors (related to hull only) 1 persons
- Are inspection results marked on the object and/or recorded in the Yes
checklist?
(4) Records of inspections and tests
- Are records made and kept properly? Yes
- Does the responsible person verify the records? Yes
- Can the adoption of necessary corrective actions against non- Yes, Can be checked
conformity happened be checked?

(5) Condition at the time of the surveys in the presence of class surveyors
- Is the schedule of the surveys changed often? No

- Are pre-inspection, shipyard inspection and repairs completed Yes

beforehand?
Yes
- Are the sufficient preparations for surveys such as scaffoldings,
lighting, cleaning made?

Note:
Above-mentioned (3) and (4) include the acceptance inspection of subcontracted items.

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 6. Measures for Safety and Health
Remarks
Item and description Result

(1) Are conditions of scaffolding, nets, safety belt, lighting and ventilation
Yes
good?

(2) Does sufficient attention paid for radiographic examination and Yes
operation of cherry picker?

Note:

7. Control System of Non-Destructive Examination(NDE)

Remarks
Item and description Result

(1) Number of NDE supervisors in shipyard (including persons

responsible for judging results) 0 persons

(2) Dependence on subcontracted NDE work

- Number of shipyard employees about 0 ( %)
- Number of sub-contractors about 100 ( %)

(3) NDE sub-contractor company’s name and official technical Name: PT. Prima Indonusa
Teknik
qualifications
(approved by) IACS members (BV
& RINA

(4) Grade and number of NDE employees with official technical

qualifications in shipyard
Specialized in radiography Grade persons
Specialized in ultrasonic Grade persons
Specialised in surface detection Grade persons
(5) If non-destructive examinations are subcontracted, the grade and
number of officially qualified persons
Specialized in radiography II Grade 1 persons
Specialized in ultrasonic II Grade 3 persons
Specialised in surface detection II Grade 3 persons
(6) Non-destructive examination equipment (in-house)
- Number of radiographic equipment
- Number of ultrasonic equipment

Note:
Even if all works are subcontracted, it is recommendable to attach the qualified person(s) who can verify the works.

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 8. Quality Control on Production Line
Remarks
Item and description Result

8.1 Preventive measures for misuse of materials

(1) Job title of supervisor and person in charge of collating ordered steel and Title of supervisor:
received steel, and checking of mill sheet Material Control Spv
Title of person in charge:
Material Control
(2) Are means for checking the material grade in hand prescribed for high-
grade steels Yes

(3) Are regulations prescribed for checking the material grade for high-tensile Yes
steel and steel for low-temperature applications?
Are there regulations for inscribing high tensile steel on the surface of the high Yes
tensile steel and special indication for steel for low temperature
applications?

(4) Are procedures for re-using of remaining cut-off mild steel? No Repair to cutting plan

(5) Are there procedures for re-using of remaining cut-off high-tensile steel? No Repair to cutting plan

(6) In the case of (4) and (5) above, can a collation be made with the mill No
sheet?

(7) Section of controlling the lists of remaining cut-off steel Name of section: Material
Control

Note:
- In case of high tensile steel, are means identifying different grades
- In the case of (3) and (4) above, are the materials approved by other classes controlled similarly?

8.2 Shot blasting/Primer coating

(1) Existence of surface preparation standards

(2) Existence of coating thickness control standards

- Existence of thickness measurement records

Note:
- The standard is to include the description related traceability after shot blasting and primer coating.

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8.3 Marking and cutting (Assembly work)
(1) Existence of standards for accuracy and periodical inspection of tape No
measures, tapes, stencils, etc.

(2) Existence of standards for accuracy of cut dimensions and edge preparation Yes

(3) Existence of standards for finish of cutting face Yes

(4) What is the frequency and extent of maintenance and inspection carried out 1 per month
for ensuring accuracy of NC cutter and/or flame planer?

(5) In case of NC, are the disks, tapes etc. maintained in good condition? Yes

(6) What are the measures adopted and guidance given to make the worker fully Yes
conversant with cutting work standards for maintaining accuracy?

Note:
- In case of (2) and (3) above, check items are to include confirmation of edge preparations free from piercing hole.
- NC for section bars is also to be in accordance with the above.

8.4 Bending and strain free

(1) Existence of standards for maximum heating temperatures during water
cooling and at the time of bending and distortion removal of steel by quick
No
heating and cooling

(2) Existence of regulations for plate thickness and bending radius for flange
processing No

(3) What are the measures adopted and guidance given to make the worker fully
conversant with maintaining quality and accuracy during the bending
No
process?

Note:

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8.5 Control of Welding Procedure
(1) Are all welding procedures applied to the ships approved by the Society or other Yes
IACS members?

Note:

8.6 Treatment of serious non-conformities

(1) Are repair plans submitted to the Society when serious non-conformities happened? Yes

(2) Were the NDE(RT/UT) plans submitted at appropriate timing? Yes

(3) Was the extent of tests extended considering the results of the test? Yes

Note:

8.7 Hydrostatic and Watertight Tests

(1) Is the test plan submitted to the Society? Yes

(2) Are vacuum tests applied to? Yes

(3) Are local air injection tests during sub-assembly works applied to? No

(4) If (2) or (3) above is applied to, are the test procedures approved by the Society? Yes

Note:

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