IHC Merwede has signed a contract for the engineering, procurement and construction (EPC) delivery of an active heave compensation (AHC) system.
The system will be designed for use in deepwater subsea installation of heavy modules in dynamic sea states, and integrates the active heave compensator and winch system.
It will be placed on board the new-build heavy lifting/pipelaying vessel (with a 5,000mT crane), YANTAI 5000, which is being constructed for the Yantai Salvage Bureau by Shanghai Zhenhua Heavy Industries Co., Ltd. (ZPMC) in China.
The AHC system package will be delivered by IHC Hytop, part of IHC Merwede, and consists of: an active heave cylinder set; the main hydraulic power unit (HPU); a 400mT traction winch; a storage winch for 3,500m of wire rope; the complete drive and control system with motion reference unit; and local control cabins.
