Last week’s discussions in our maritime community touched on several critical areas. Members engaged in a deep dive into the technical challenges of strap tension and its impact on cargo, specifically corner crush issues. There was also an insightful exchange around the continuing professional development (CPD) model for STCW revalidation, highlighting the need for a structured approach. Additionally, practical discussions on courses that truly enhance troubleshooting skills at sea gained momentum, providing valuable insights for career advancement.
This Week’s Hot Topics
Strap tension causing corner crush
This thread delves into the complexities of strap tension during cargo securing and its potential to cause corner crush. It’s a technical discussion that could influence best practices in cargo handling. Read more here
Looking at a CPD model for STCW revalidation
The conversation around a CPD model for STCW revalidation is gaining traction. It’s about finding effective ways to maintain and enhance competencies in line with regulatory requirements. Read more here
Courses that actually improve troubleshooting at sea
Members are sharing experiences about courses that have genuinely helped improve their troubleshooting skills at sea. This could be a game-changer for those looking to enhance their problem-solving capabilities. Read more here
Thanks for staying connected with our community. Your insights and participation continue to make this forum a valuable resource. Until next time, take care and keep contributing your expertise.
On bagged rice and consumer cartons we cut corner crush by adding edge guards and using torque‑limited ratchets set around 450–500 N — any tighter and it “plays the boxes like a guitar,” @DeckChief… If humidity’s high or the board’s >70% recycled, we drop to about 350 N and add anti‑slip mats; for STCW CPD, we log 10‑minute cargo‑securing toolbox talks as micro‑credits and auditors accepted it — does your model capture those?
We cut corner crush on cartonized appliances by moving to 50 mm PET webbing with EVA sleeves (20 mm radius) and capping tension around 350 daN; on cold legs we back off about 10% because PET stiffens and edges bruise faster. > we log 10‑minute cargo‑securing toolbox talks as micro‑credits and auditors accepted it — does your model capture those? We mirror that and tag them to STCW A‑II/2 outcomes so they pass audit — what do you use for evidence, a brief photo + sign‑off?
We started laying 3 mm rubber anti‑slip mats (μ≈0.6) under pallet layers plus a tri‑wall top cap so we could drop “strap tension” about 15% without bruised corners — , learned that the hard way last month. It’s a cheap tweak (≈€2 per pallet) and works with PET or steel, but do a quick re‑check 6–8 hours after sailing as settling can fool the gauge. TT Club’s StopLoss note backs this approach: https://www.ttclub.com/news-and-resources/publications/stoploss — anyone getting better results from friction mats than bigger edge guards?
Following last week’s strap‑tension chat, we switched our battery strappers to ‘soft’ mode and use staged tensioning — pull to about 60%, wait 30–45 seconds, then top off — and saw corner crush drop on corrugated without changing strap spec. Adds about 12 seconds per pallet, so on tight turnarounds @Marta we only do it on the top two straps.
And on mixed cartons, I use a 2 mm feeler gauge between strap and edge; if it won’t slide, I back off one notch — a quick “go/no‑go” that’s kept edges intact and still passed shake tests (see CTU Code: https://unece.org/transport/standards/ctu-code). Caveat: for dense crates I keep the pull a bit higher but switch to wider banding — think tuning a guitar, not a bowstring.
Switching from 12 mm PET to 16 mm woven poly plus 40 mm paper angle boards let us drop tool tension about 20% without those edge dents in last week’s tilt test — “wider, stretchier beats tighter.” One caveat: in damp holds the paper boards get soggy, so on reefer runs we swap to plastic Ls. Anyone else offset the strap about 10 mm from the edge instead of right on it?