An overview of the Design Appraisal services offered by LR Energy. This presentation covers: > Design Appraisal Methods > Verification > Third-party compliance > Certificate of fitness

1. Lloyd’s Register services to the energy industry
Design Appraisal for Offshore Structures
Yeramilli Srinivas
Lead structural engineer
November 11-14, 2012 Adipec

2. Lloyd’s Register services to the energy industry
Design Appraisal Methods
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Design Appraisal by review of client design reports
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Design Appraisal by Independent analysis
November 11-14, 2012 Adipec

3. Lloyd’s Register services to the energy industry
Design appraisal types
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VERIFICATION WITHIN A REGULATORTY FRAME WORK
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THIRD PARTY COMPLIANCE REVIEW
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CERTIFICATE OF FITNESS (COP)
November 11-14, 2012 Adipec

4. Lloyd’s Register services to the energy industry
VERIFICATION
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Purpose: to safeguard personnel by avoiding major accidents
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Scheme operated by Duty Holder
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Safety Case
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SCE’s
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Performance Requirements/standards
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Verification/suitability Statement
November 11-14, 2012 Adipec

5. Lloyd’s Register services to the energy industry
3rd Party Compliance Review
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Purpose: to undertake an agreed scope of design review.
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Scope defined by Client
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Assessed to client specification
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LR DAD or Report.
November 11-14, 2012 Adipec

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Certificate of Fitness (CoF)
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Purpose: to ensure the integrity of the installation
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Scheme operated by LR on behalf of Regulator
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Standards and Regulatory requirements
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Design Review + Offshore Survey
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Certificate of Fitness
November 11-14, 2012 Adipec

7. Lloyd’s Register services to the energy industry
Design appraisal of the following structures
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Fixed offshore jacket
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Topside structures
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Tripod systems and bridges
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Near shore structures such as jetties
November 11-14, 2012 Adipec

8. Lloyd’s Register services to the energy industry
Design appraisal for inplace conditions for verification
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Inplace Analysis
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Fatigue Analysis
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Earthquake Analysis
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Boat Impact analysis
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Blast Analysis
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Push over analysis
November 11-14, 2012 Adipec

9. Lloyd’s Register services to the energy industry
Software's used for independent analysis
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SACS – Structural analysis computer system
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STAAD PRO – Structural analysis software
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USFOS – for non-linear Analysis
November 11-14, 2012 Adipec

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Design appraisal for installation conditions for third party review
jobs
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Loadout
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Sea Transportation
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Lift
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Upend
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On-bottom stability
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Docking
November 11-14, 2012 Adipec

11. Lloyd’s Register services to the energy industry
Design Appraisal of Life extension of platforms
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Design appraisal by Review of documents
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Design appraisal by independent analysis
November 11-14, 2012 Adipec

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Primary Documents required for Review
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Up to date weight control report
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Up to date metocean report
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Geotechnical report
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Up to date inspection reports of platforms for scour depths , member damage ,
corrosion , marine growth and fatigue cracks , CP measurements.
November 11-14, 2012 Adipec

13. Lloyd’s Register services to the energy industry
Primary Analysis required for review for life extension
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Inplace analysis
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Fatigue analysis
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Ship Impact analysis
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Redundancy analysis
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Push over anlysis
November 11-14, 2012 Adipec

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Design appraisal flow chart
Documents/Drawings, as
identified by LR, issued at AFD
and submitted by Designers
LR Design Team review
documents
Designer accepts or provides
additional comments
LR comments/approval,
including status, submitted on
a Comment Response Sheet
(CRS)
Comment
Approved
CRS Closed out
New CRS cycle if required
Designer responds on CRS
November 11-14, 2012 Adipec
LR closes out CRS or reviews
additional comments
Closed-out CRS passed to Site
Surveyor to check that any
changes have been
incorporated in Site Drawings

15. November 11-14, 2012 Adipec