The Ultimate Buyer's Guide for Purchasing Safety Chain

15 Apr.,2024

 

For any yacht owner, the investment of buying a new anchor chain is going to be fairly sizeable, simply because a substantial length of chain is a costly item, both to buy and to transport! There are several technical points to tick off when making this purchase. Following a checklist as you navigate making your selection is the best way to avoid making a mistake that you may pay for later, in terms of functionality, compatibility and from a financial standpoint. With all of that in mind, read on to discover our guide to the must-knows when buying anchor chain and links to a hoard of useful information elsewhere on the Jimmy Green Marine website. Read on to become more knowledgeable on all things anchor chain related.

Is it time to replace your anchor chain?

It is not often that sailing warrants bringing TV host Anne Robinson to mind, but the echo of her voice reminding you about the weakest link might be a valuable ally! Indeed, the weakest link, be it a chain link or another component of your windlass or rode, unquestionably defines the strength of your entire anchorage setup. This makes diligent attention to any degradation a must. Hopefully, you will be in the habit of inspecting your anchor chain whenever you use it, but scheduling a closer annual inspection is always a good idea.

  • Check for signs of corrosion
  • Check for bent or misshapen links
  • Check for signs of stress
  • Examine other components of your rode
  • Inspect your Windlass for signs of wear and tear

When it comes to your anchor chain specifically, signs of corrosion and bent or stretched links is what you need to watch for. While anchor chain is created with longevity in mind, unanticipated factors such as electrolysis caused by an electrical earth leak, may speed corrosion along. Keeping a keen eye is the best way to avoid taking potential risks in the realm of anchor chain. Chain links should always appear uniform and not misshapen. You can measure ten chain links and compare the result to the specs that your chain rating should adhere to, in order to check for stretch. Ultimately, replacing a tired chain is a much merrier option than risking an anchorage failure that may lay waste to your planned adventures.

The nitty-gritty of anchor chain

To drop or raise anchor, you rely on the snug compatibility between the gypsy on your windlass and the size and calibration of your chain. Calibrated means that each link is manufactured to the same dimensions within a given tolerance. The wrong rating of chain, be it in terms of chain size, calibration or grade, will potentially mean that your chain could jump or break when under tension, putting your anchor, your craft and your crew at risk. As you pick from our selection of anchor chain, you will want to ensure that you have precise chain dimensions to hand. A ten-link long measurement will help you identify between different chain calibrations, such as DIN766 and ISO4565. Assess your anchorage aspirations to steer what Load Capacity (strength) equating to Grade 40 or 70, will best meet your needs.

  • Start with manufacturer guidance
  • Measure the diameter of the bar from which the chain is made
  • Measure ten links of chain, outside edge to outside edge
  • Measure the pitch, or the inside length of each link
  • Consider the length and displacement of your vessel
  • Consider your anchoring needs when selecting chain calibration/grade
  • Check out our in-depth guide to assessing anchor chain needs
  • If in doubt, contact our team for assistance

It is important to recognise that a range of chain sizes and calibrations are available, each with different ratings and characteristics. Doing a little homework ensures a perfect match, and a great place to start is with the recommendations of your windlass manufacturer. If you do not have these to hand, a manual inspection, looking for an indication of specs on the windlass itself can be fruitful. This should always be paired with measuring your existing chain (if you have one) and considering vessel size and displacement, alongside your anchoring ambitions. The potential anchorage depth, seabed holding characteristics, the length of fetch, and degree of exposure to prevailing winds of your intended expeditions should all be considered.

Composing your rode

Beyond having the right specs to suit your windlass, your anchor chain will need to be ordered with the unique needs of you and your vessel in mind. Many opt to combine anchor chain with a spliced warp. This delivers both the strength and durability of chain, while adding the safeguarding shock-absorption and weight reduction that its warp companion can offer. To safely meet this need, we provide a splicing service which allows you to receive your warp and chain rode ready-made, securely spliced and ready for action. Why seek a professional splicing service? Well, simply put, Anne Robinson's voice returns once again!

  • Consider vessel length and displacement
  • Consider anchoring ambitions when determining length
  • Consider if your rode will be chain alone, or a combination
  • Match warp diameter with chain size, taking break load into account
  • Consider usage when balancing chain to warp ratio
  • Consider weight when balancing chain to warp ratio
  • Consider if you want a spliced rode, or two separate connectable parts
  • Consider adding a chain snubber to the mix if using anchor chain alone

Whatever the make-up of your rode, you need to be certain that it will be up to the task at hand. There are some general rules of thumb for rode lengths, which you can check out in our comprehensive guide to ordering custom build anchor warps - spliced to chain, based on the length and displacement of your boat. However, in addition to these two core factors, there are a few other things to weigh up. It is important to assess the conditions under which you intend to drop anchor, and then equip yourself for a worst-case scenario. Keep in mind that multihull vessels will likely ask more of their anchor rodes, so stepping-up your chain size and warp diameter is a wise call in the case of a catamaran. Finally, if opting for a longer rode consider the weight impact to your bow when assessing length of chain versus length of rope.

Jimmy Green Marine take great pride in stocking only the highest quality of anchor chains. With understanding of the importance of this purchase for our seafaring customers, we are always on hand to help you make the optimal anchor chain selection. If you would like guidance in this or any other area, check out our Knowledge Centre or make contact with our friendly team for advice.

Ensuring high quality supply chain data is a top priority for many buyers. It is, however, easier said than done. For modern, global companies with suppliers based all over the world, keeping an accurate picture of what is going on can be difficult.

As more buyers start to introduce digitisation into their supply chains, big data and analytics are two areas of focus. 64% of the supply chain executives that took part in the 2016 SCM world survey said big data analytics was an important technology for them. However, only 17% of those that took part in a similar study by Accenture had implemented it.

Getting better quality and more reliable supply chain data isn’t just about being more accountable. For companies that want to grow or develop new products and services, big data gaps can mean that the risk levels are just too high.

The benefits of good data

Good data allows you to make better decisions faster. It really is that simple. But it is important for all finance and procurement staff to be working towards the same goal when it comes to data processes.

By embracing technology and collaborating closely with IT departments, procurement staff can get much more value and the best insights possible from their supplier data.

Here are a few examples of the improvements that buyers could see if they get their data under control:

Planning and scheduling

By getting a clear picture of how materials and products are moving through your supply chain, you can identify bottlenecks and sources of delays. You’ll also be better equipped to plan for political, economic and social changes more accurately.

Many UK construction, oil & gas and automotive supply chains operate with their European suppliers on a very lean and just in time basis. This makes logistical delays potentially very costly. Research has shown, for example, that Brexit could mean the time it takes to clear lorries in the Eurotunnel and Dover area grows from two minutes to something closer to 40. Buyers may need to start stockpiling essential materials and components or explore changes to their current supplier base.

Order optimisation and Inventory planning

By only ordering what you need when you need it, you can reduce your costs and process times.

Good quality data means better forecasting, and better forecasting means you can plan and develop your inventory to drive value growth. The introduction in 2018 of 25% tariffs on steel imports and 10% on aluminium imports by the US Government affected 80% of the buyers and suppliers in our communities. With 75% of suppliers reporting a margin that is less than the amount of the potential 10% increase, buyers faced potentially large-scale disruptions to their supply chains. Knowing this in advance has helped many companies find alternative sources of supply, adjust their contracts and reconsider project timings and business cases.

Responsiveness

Your business needs to be as agile and responsive as possible in order to effectively deal with changes in your supply chain. With good quality data, you will be better able to take advantage of new opportunities that present themselves while keeping operational risk under control. Having a good source of high quality data about your company and your supply chain can also help you incorporate a wider variety of suppliers, helping to inject some fresh thinking and dynamism into your operations.

The challenges

As a buyer, what do you know about your suppliers? Do you know where in the world each tier of your supply chain is based? Are you aware of your suppliers’ financial histories, health and safety reports and regulation compliance records?

Gathering this data was once a long process of painstakingly contacting the businesses at each tier of the supply chain, before inputting it in a spreadsheet that only a couple of people in the organisation could understand.

This is unnecessary in the age of big data and constant connectivity. Huge amounts of data are being generated and stored at every stage of your supply chain as companies monitor their own operations. The challenge now is not a lack of data, it is collating it and making sense of it all.

So what are the main challenges buyers run into?

Opening up

Some companies like to hoard their data, as they feel it provides them with a competitive advantage. If 95% of orders are getting where they need to go on time, why do you need to share your precious data with the companies in your supply chain? The problem here is that the 5% is introducing risk into the supply chain. Finding a way to work together to minimise inefficiencies means opening up and sharing.

Shared platforms

Every company has distinct systems for data sharing and collection. This can hamper collaboration across a supply chain. Often, we find companies want to be more open with each other but the cost and time it would take to create a harmonious data infrastructure is too much of a barrier.

Quality and quantity

There is a lot of data out there, and not all of it will give you actionable insight. Data paralysis can really slow down the decision-making process.

Staff training and skill building is an important part of the puzzle. There is little point in getting more data if your staff can’t use it.

Asking the right questions

These are not the only challenges that companies are encountering, but getting a handle on these three will significantly improve the quality of your supply chain data.

This is where we come in.

Our pre-qualification supplier questionnaire gathers all of the business-critical information that buyers need, and we make sure it is kept up-to-date, accurate and validated. So you can be sure that the supply chain data you get as part of our communities is always accurate and valuable.

You can also take advantage of our Data Exchange solution, which creates trackable data for each supplier that can then be exported, along with the associated supplier data, into your spend analysis, ePurchasing, Enterprise Resource Planning (ERP) or other back-office systems. This means your supply chain data is available to every team that needs it rather than being siloed.

The Ultimate Buyer's Guide for Purchasing Safety Chain

The buyer’s guide to good supply chain data

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