No 4 Dock
| Overall Length: | 125m |
| Length along blocks: | 100m |
| Breadth at entrance: | 21m |
| Minimum breadth inside: | 25m |
| Blocks: | W 0.3m L 1.23m H 1.36m |
| Maximum Water Depth over Blocks: | 8m |
| Average Time to pump dry: | 4hrs |
| Permanent dockside craneage: | 1 x 15 tonne |