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Pile it mate!

You might try ABS site (American Bureau of Shipping). You can download many of their sets of Rules. In particular the Rules for the Design and Construction of MODUS (Mobile Offshore Drilling Units)will give you a lot of information on ballast and stability. These Rules are specific to 'Column...

Although it may not give you all the information you need, DnV 'Rules for Marine Operations', Pt.2 Ch.5 'Lifting' is very useful. It also has some good references

To find Dr. Nash's course just search with Google for '16426'. I came across part of the course under some heading or other, saw the number, then searched under that & Hey Presto!

BS5500 is better than ASME 8 for shells under external pressure. There is also an a U. of Strathclyde course on 'Pressurised Systems' by Dr. Nash called 16426/16587 which is explanatory to BS5500, this can be found on the web. If you search under 'submarine design' you will also find useful info.

I have a fatigue problem at a padeye originally used for installation subsea, now used for tether chains to a buoy. The shackle pin is smaller than the original installation shackle pin. The shackle pin bears on the upper inside surface of the padeye pinhole. The tether chain exerts a set of...

Try API RP2A this covers circular foundations in all respects and has some useful references

I have never heard of any permanent grillage foundation that is not encased in concrete and generally sitting on or part of a reinforced slab or mass concrete foundation. In other words you have to pour the concrete anyway.It is relatively easy to design a grillage, even by hand ! All structural...

I don't see why not. You could design the slab as a flat slab with 'hard points ' at the bored piles. You should cut back all projecting pile reinforcement, perhaps place some load dispersing sheet material between the pile and the slab. Design the slab for high shear around the pile heads and...

Don't forget that you also have a large overturning moment ! The problem sounds as though it needs a properly engineered solution.

Why don't you try the original door manufacturers? It is most likely that you will invalidate any guarantee if you use other than the manufacturers' recommendation. The manufacturer may also need to install the new seals to maintain any guarantee. If the doors are the subject of any...

The Classification Bureaux have a great deal of knowledge with regard to all types of shaft repair, propeller shafts being a typical area for example. Try Marcus Cridland at ABS London, E-mail 'mcridland@eagle.org'. Other CBs are Lloyds Register, DnV, Bureau Veritas, and so on, Regards, Graham...