steel inspection official report hrdd china ( 23rd april...

STEEL INSPECTION OFFICIAL REPORT HRDD CHINA ( 23rd April 2015 – 4th May 2015 )

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Modification of Bulbous Bow in HRDD (China)

1 – Onboard Inspection.

1.1) – NEW Bulbous Bow Installation

a) – Bulbous Bow Fit Up Inspection – Accepted / OK to weld.


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b) – Bulbous Bow Final Inspection – Accepted.


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c) – Bulbous Bow Air Test – Accepted / No Leakage.

1.2) – Steel Renewal in Water Ballast Tank.

a) – No. 5 Port & Stbd Side WBT observed Stress fracture iwo IBL-21 & 22 (web) at attachment to Transverse Web Frame No. 94. – Propose to

partly insert 300 x 300 web plate & modification of face plate with

attachment reinforcement bracket between IBL-21/22


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Fit-up Inspection – Accepted / OK to weld.

Final Inspection - Accepted


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b) – No. 5 Port & Stbd Side WBT addition of 300 x 300 reinforcement

bracket at SL-27.



c) – No. 5 Port & Stbd Side WBT observed Stress fracture iwo SL-28 (web) – Propose to partly insert web plate & modification of face plate

to reinforcement soft toe end attachment.


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d) – No. 6 Port & Stbd Side WBT observed Stress fracture iwo IBL-21 & 22 (web) at attachment to Transverse Web Frame No. 86. – Propose to partly insert 300 x 300 web plate & modification of face plate with attachment reinforcement bracket between IBL-21/22



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e) – No. 7 Port & Stbd Side WBT observed Stress fracture iwo IBL-21 & 22 (web) at attachment to Transverse Web Frame No. 78. – Propose to gouge & re-weld iwo fracture location & modification of face plate with attachment reinforcement bracket between IBL-21/22


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Final Inspection – Accepted


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f) – No. 7 Port & Stbd Side WBT modification of SL-28 face plate to soft toe end attachment.




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g) – No. 8 Port & Stbd Double Bottom WBT observed Stress fracture iwo

IBL-12 & 13 (web) at attachment to Transverse Web Frame No. 70. – Propose to gouge & re-weld iwo of fracture location & modification of

face plate with attachment reinforcement bracket between IBL-12/13



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h) – No. 9 Port & Stbd Side WBT observed Stress fracture iwo IBL-9 & 10 (web) at attachment to Transverse Web Frame No. 62. – Propose to gouge & re-weld iwo of fracture location & modification of face plate with attachment reinforcement bracket between IBL-9/10


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i) – No. 7 Port Heeling Tank observed Stringer 3 & Shell plate iwo of

Stringer 3 to SL- 44 inclusive of attachment SL-42 longitudinal between Frame No. 74/75 having severe indentation. – Propose partly insert

shell plating, frame No. 74 web & stringer 3 platform + partly renewal of SL-42.



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Final Inspection & Vacuum Test – Accepted / No leakage.

End

steel inspection official report hrdd china ( 23rd april...

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