Design and build process

Where do we start?

The need for a new lifeboat or equipment is identified by the RNLI Operations Department through an ongoing series of coastal reviews. These reviews can highlight needs for additional coverage, extra speed or other capability. These needs are then discussed with the RNLI Engineering and Supply Department and, if viable, an operational requirement is created.

The operational requirement outlines the basic needs for the equipment. For a new lifeboat this would include how fast it must be, how far it must go, how it will be launched and recovered; and any boathouse limitations.​

The project team

Once the departments have established what the equipment has to do and agreed an outline schedule and costs, a project team is set up to design the lifeboat/equipment. The team is largely made up of RNLI engineering staff but also includes operational staff and representatives from around the coast. Various crew members are also involved as their feedback is vital in delivering successful equipment.

How the team develops this equipment depends on how innovative it needs to be. Sometimes it is possible to buy equipment off the shelf but many items will be unique to the RNLI and need to be designed from scratch.​

Feasibility

The RNLI project team works with a variety of contractors and research establishments to develop and test concept proposals. This includes background research, mathematical modelling and physical model testing.​

The prototype

Once the concept has been evaluated it is refined and the design is developed into a workable proposal. The project team works with contractors to build a prototype and lifeboat crews are involved in initial tests and trials. Safety assessments are continually carried out at all stages to ensure that all equipment is safe to use.​

Final design​

The prototype trials provide a vast amount of information that the project team uses to further refine the design. A preproduction version is built and final trials are carried out. The team works closely with contractors to identify the best and most cost-effective way to build the equipment.

Training, delivery and support​

The project team continually addresses training and maintenance support throughout the project but it is only in the later stages that they come to fruition. Training requirements are defined, trainers are trained, production equipment is delivered and spares and maintenance support is put in place.