Guides
Standards, engineering
notes, working detail.
Articles written for procurement teams, yard QA leads and engineering buyers, the people who care what is actually under the certification ticket.
Standards · 6-min
IACS welder certification, explained for procurement teams
What "IACS-affiliated welder certification" actually means, why class societies care, and how to verify it before a project mobilises.
Standards · 5-min
Roxtec cable transits: what certified installation actually requires
Roxtec sealing systems are the marine and industrial reference for fire-, gas-, water- and pressure-tight cable transits. Here is what certified installation involves, and why it matters for acceptance.
Standards · 5-min
Lightning protection under PN-EN 62305: what a complete system covers
Lightning protection on industrial buildings is a structural safety topic, not an afterthought on the roof. Here is how PN-EN 62305 structures the work.
HVAC · 7-min
HVAC for pharma: what EU GMP Annex 1 actually demands of the mechanical plant
Annex 1 is a contamination-control framework, but the HVAC engineering implications are concrete. Pressure cascades, particle classes, validated control loops, translated into design constraints.
Standards · 6-min
Ex-zone equipment on vessels, ATEX and IECEx in practice
What ATEX and IECEx equipment selection actually demands aboard vessels, in cargo pump rooms and bunkering infrastructure. What the classification surveyor checks, and where documentation usually slips.
Technical Decisions · 6-min
Refit or repair, how an owner should actually decide
Refit and repair are often used interchangeably. Operationally and economically they are two different decisions, with distinct consequences for class, documentation and vessel depreciation.
Standards · 7-min
WPS and PQR in hull construction, what actually has to align
WPS and PQR are not paperwork. They are the foundation of class acceptance for welding. What each document contains, how they link, and where they typically slip in practice.
Operations · 6-min
Mobile-repair service in Baltic ports, the logistics that decide
Mobile-repair service on a vessel in a foreign port is won by logistics, not by welding alone. What has to align for a crew to step aboard inside the stay window.
Standards · 7-min
Class renewal in the five-year cycle, how to plan the yard stay
Every five years a vessel undergoes class renewal. For the owner this is not just an inspection. It is the largest planned cost of the vessel's life cycle. What decides whether it fits the budget and the schedule.