Base frame
The base frame is a welded steel construction, built up from hollow sections and steel plates to a stiff rigid frame in order to transfer the system forces to the deck structure.
Each frame is provided with all necessary provisions for fastening of relevant accessories such as hydraulic cylinders, power pack unit with starter box and accumulator.

Davit arm
The davit arm is built up of hollow sections and steel plates and provided with all necessary provisions for fastening of relevant accessories such as hydraulic cylinders, winch foundation, sheaves and remote control parts.
For transportation reasons, the davit arm consists of a base part and an upper part which are easily built together by means of a hinge/flange connection.
The davit arm does also incorporate the boat chocks with D-fenders.

Hydraulic cylinders
Each davit will be supplied with two high quality double acting hydraulic cylinders provided with dual over-centre valves. The cylinder rods are made of stainless steel (1.4057)

Winch
The davit will be supplied with a hydraulic driven winch built onto the davit arm.
The winch is a standard item and consists of the following main components:
Winch frame
Closed planetary gear casing;
Built-on high pressure hydraulic motor
Fail-safe multi disc brake;
Grooved winch drum with separate section for remote control wire;
Hand hoist unit.

Electric-Hydraulic power unit
Each davit will be supplied with a sophisticated electric/hydraulic power unit which has been fully adjusted in our workshop guaranteeing easy installation onboard. This power unit consists of the following main components:
Hydraulic tank with integrated hydraulic pump driven by an electric motor;
Electric Starter box provided with main switch, emergency stop button, “power-on” indicator, and failure signalling indicators.
Nitrogen pre-charged accumulator.

Operating console
Each davit will be supplied with a stainless steel operating console which should be placed near the railing enabling the operator to have full view over the entire launching and hoisting procedure. From this console all system functions can be controlled.

Accessories
Each davit system will be supplied with the following accessories:

Wire rope
Galvanised non-rotating steel wire rope provided with thimble at one end, and of sufficient length for lowering the rescue boat into the water;

Remote control parts
Stainless steel remote control wires of sufficient length for both pivoting out and lowering;
Handgrips for operating from within the rescue boat;
Remote control sheaves;
Loose items such as wire rope clips and shackles;

Lashing system
In order to secure the rescue boat in stowed position, each davit system will be supplied with an adequate lashing system consisting of two lashing straps with ratchet spanners.

Ladder
For easy access of rescue boat in stowed position, each davit system will be supplied with a galvanised ladder which should be welded on deck by yard.

Conservation
Unless agreed otherwise, all steelwork will be shot blasted to SA 2,5 and coated with one layer of 2-component epoxy primer of brand SIGMA. Dry film thickness 60-80 microns.
This conservation is not suitable for outdoor storage for a long period of time.

Optional accessories
The following accessories are to be seen as non-standard but can be supplied optionally:
Anti-pendulum device (docking head);
Painter line boom.
Additional outer chocks to support the rescue boat.