Thanks for your interest,
We are envisaging to use a 5Ton Manual monorail hoist for material transfer from boat to platform.

1.We would like to know the derating factor to be considered to take care of the dynamic loading for which details as below
• Monorail Capacity-Manual – 5MT
• Significant wave height-3.66Metre
• Lift Height:19Metre

2. Pl furnish type of overload protection system required for this type of service.