An estimated one-sixth of the electricity generated worldwide is based on technologies from Siemens Energy. Siemens is a world leading energy technology company covering power generation and transmission to storage.


The Challenge

Hart were approached by WH Partnership to design a ceiling system with limited space envelope availability. The project was to build 4 off insulated clean rooms which were to form part of a complicated manufacturing process within an existing facility. The clean rooms were to have an opening in the ceiling of 18 meters in length x 4 meters in width which could be closed and sealed at the touch of a button to seal the opening to clean room standards

Project/Doors Required

Design, manufacture, supply, delivery and install and commission of Electrically operated sliding ceilings


Project Challenges



Fast closing to seal to cleanroom standard


Advanced specification
Limited space availability and backup manual activation


Reliable products with minimal maintenance are essential


The Solution

Various design concepts were put forward by Hart and discussed during initial design meetings with the clients building design and structural engineers. Hart designed a system to comply with the relevant clean room British standards and emergency manual operation in the event of a power failure. Once a final concept was chosen, detailed drawings were produced along with accurate cost analysis.


The Success

The chosen solution comprised of a biparting insulated panel design which operated from push button station at low level. The 18 meter long ceiling takes 50 seconds to open and close and in the event of a power failure can be hand operated at low level. Hart manufactured and installed the ceiling systems in line with the agreed schedule and within budget.


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