In November 2008, Australian Marine Technologies was contracted to provide the design for the Stability Enhancement and Compartment Changes (SEACC) component of the RNZN ANZAC
Ship Platform Systems Upgrade (PSU). This included the detailed design, engineering analysis and Installation Work Package (IWP) for the modification of both HMNZS Te Kaha
and HMNZS Te Mana.
A designer/Navy collaborative approach has provided innovative, practical and effective design solutions to ensure the ships comply with stability criteria at a higher displacement
than which they were originally designed. This provided an increased growth margin to enable future capability enhancement and to provide immediate habitability improvements including a
new gymnasium and improved laundry facilities. Furthermore, the opportunity was taken to correct an inherent list to port and full load trim by the bow on the ships.
Key features of the SEACC modifications include:
Plating in the Quarterdeck area to increase buoyancy in critical damage conditions
Additional watertight hatches to improve safe escape in emergency situations
Re-design of the Quarterdeck to provide a functional mooring arrangement in a compressed area that reduced deck clutter, improved towing facilities and provided better ship handling ergonomics
Strength modifications required for increased displacement
Substantial reduction in external equipment with associated maintenance benefits including the relocation internally of the helicopter traversing system HPU (hydraulic power unit)
Incorporation of a Gymnasium
New Laundry arrangement improving workflow
Integration of solid ballast to eliminate an inherent heel to port while providing flexibility to cater for future upgrades
Design of a new Auxiliary Machinery Room
Relocation of the Combined Technical Office and Classified Books Office
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ANZAC compartment changes
Quarterdeck design concept
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