Special feature
Fan array keeps Mary Rose project ship shape
It’s not often you get to see something completey different, but when you go behind the scenes of the conservation site of the 16th Century Mary Rose in Portsmouth’s historic dockyard that’s exactly what you get. The purpose-built museum housing the Mary Rose is relying on the latest in fan array technology and humidification to provide a controlled environment to help preserve the vessel and its artefacts for future generations
handling systems using Fanwall Technology, four further Moducel LKP air handling units and three Vapac humidifiers are being used to provide comfort cooling for the galleries. The air handlers using patented array technology are specifically being used to continue the drying out process for the Mary Rose and its continued conservation.
For the past 10 years the ship’s timbers have been protected by polyethylene glycol spraying. The
14 | July 2014 | HVR
ship hall was closed to the public in 2009 whilst the new museum was constructed around the ship. It has now entered its final phase of conservation which will take a further four to five years. During this time almost 100 tonnes of water will be extracted from the timbers, while the hull is contained in a purpose-built ‘Hot Box’ within a new elliptical shaped museum. Windows have been installed in the Hot Box with viewing galleries
running the length of the ship aligned with each deck level. Many of the 19,000 artefacts recov- ered with the ship are on display. Once the drying process is com- pleted the hull will contain approx- imately 12 per cent of moisture. The glass will be removed and visitors will enjoy open views of the hull. Specifying an effective air han- dling and humidifier solution was not without its difficulties. Space constraints dictated that any solu- tion would need to be situated in
the west dock plant room of the museum with the bulk of equip- ment in the dry dock, where access was limited.
The critical nature of the muse- um required 24/7 operation, built in redundancy, low noise levels and crucially a small footprint and modular construction. The Mary Rose Trust looked at several options including an N+2 solution, but this proved costly and unworkable because of the location and restricted space.
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