WE Report

Lessons Learned

Lesson Learned





By: Sanne Risbakk

Report No.

4829

Discipline/Origin

Marine
PSA Q&A

Well

Copernicus
6608/1-1 S

Date created

2022/08/25
1200 days ago

Project Phase

Planning
Project Phase

LL Type/Classification

Planning
Other

Deepsea Yantai


Question

Are there site-specific measurements of waves that make you know when to change draft?

Answer

There would be rig specific requirements to comply with when decided to change draft. This is illustrated in the table “Limitations for operating draught 21m”. ​

The change of draft is dependent of the calculations in DNVGL-OTG-13 and 14 applicable for the rig. This includes the directions of impact and also the stability curves referenced to in document, Design Criteria Operational Limitations, doc no L4-MODU-DSY-E-MA-302, rev3, dated 15.11.2021 ​

EDITOR


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