Engineering and Project Management
 

DNV 2.7-1 vs 2.7-2 vs 2.7-3: What’s the Difference and Which Do You Need?

If you’ve typed “DNV 2.7-1 vs 2.7-2 vs 2.7-3” into a search bar, you’re not alone. These three standards are routinely confused — even by experienced procurement teams. This guide explains each one plainly, shows how they differ, and gives you a concrete decision tree to identify which standard governs …

Why Digital Calculation Reports Are Replacing Spreadsheets for DNV 2.7-1 Certification

Most offshore container manufacturers are still producing their DNV 2.7-1 certification calculations in Excel. The spreadsheet might be well-built — with formulas locked, units clearly labeled, and a senior engineer reviewing the printout before submission. But it still arrives at the surveyor’s desk as a spreadsheet PDF, often with cross-sheet …

DNVGL-ST-E271 2017 Update and What It Means for New Container Designs

The August 2017 edition of DNVGL-ST-E271 replaced the previous DNV 2.7-1 standard, consolidating the offshore container requirements into a single DNV GL standard document and introducing a number of changes that designers and manufacturers need to be aware of. This post explains what changed, what stayed the same, and what …

DNV 2.7-1 vs EN 12079: Two Standards, One Certification — What’s Actually Different

When a manufacturer sets out to certify an offshore container, the question surfaces almost immediately: do I certify against DNV 2.7-1 or EN 12079? The short answer is that for most practical purposes, you are certifying against the same technical requirements. But the longer answer involves different standards bodies, slightly …

Offshore Container Recertification: When It Is Required, What Triggers It, and How to Plan for It

Offshore containers do not last forever — or rather, their certification does not. Every offshore container that operates in regulated environments needs periodic recertification to confirm that the structure remains fit for purpose, the lifting sets are within their service life, and the corrosion protection is still effective. This post …