SOLAS requirements for totally enclosed lifeboats
By marinesafety
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Aluminium Gangway Ladder can be classified into two types from structure
When gangway length above 8m, in order to easy carrying and storage, gangway can be designed into two types.
Design verification tests according to ISO 7061 (2015), each gangway delivery shall undergo the testing procedures specified in ISO 7061 §9.3, for on board testing, reference is made to IMO circular MSC.1/Circ.1331 – IMO “Guidelines for Construction, Installation, Maintenance and Inspection of means of Embarkation and Disembarkation”.
Aluminium shore gangways.
| Structure | Bowed Truss or Straight Truss | |
| Type | A (One body) | B (Jointed) |
| Length | 1~20 m | 8~20 m |
| Width | 600 mm | 600 mm |
| Material of Frame | 5A05 (Aluminium Alloy) | 5A05 (Aluminium Alloy) |
| Material of Step | 5A02 (Aluminium Alloy) | 5A02 (Aluminium Alloy) |
| Max. Live Load | 4 000 N/m2 | 75 kg/step |
| Min./Max. Inclination | 0 – 30° | 12-55° |