Thorpewood House
Objectives
To replace the existing fluorescent lighting in a unique concealed grid ceiling with energy efficient led lighting, whilst replacing the existing BMS lighting controls with a more energy-efficient and independent control system.
Scope of Works
To carry out a detailed lighting survey with PowerLite Fitzgerald to determine the demands of each space and solutions for any potential challenges. This resulted in the requirement for custom-built 580 Celestial light fittings to meet the client’s needs and unique ceiling arrangement. With the aim to overhaul the existing failing BMS controlled lighting without the need for rewiring and to save energy, the Celestial fittings were integrated with Osram HubSense modules that communicated via a wireless Bluetooth mesh system. This omitted the need for any additional wiring and aimed to transform functionality, enhance efficiency, allow for individual light adjustments, ensure uniform lighting and meeting the client’s 500 lux level requirement at desk height.
To further enhance energy efficiency, integrated presence detection was considered in the lighting solution. This also enabled real-time light adjustments based on occupancy and sunlight, maximising energy savings.
Challenges
The main challenge throughout the design stage was overcoming the existing BMS controls without rewiring and working to a unique ceiling system, meaning off the shelf lighting products would not work.
During the installation, our main challenge was having to complete these works whilst the building remained occupied, ensuring the client was able to continue to work, minimising disruption. We achieved this by creating a plan and drawings, zoning each area and programming this in with the client. With the use of desk surfers, we gained access over desks without needing to move furniture, decreasing disruption time for each employee.
Outcomes
The project was completed on time and with minimal disruption, we estimate a 85% reduction in energy consumption. Our successful delivery demonstrates the benefit of well-planned lighting solutions, resulting in energy savings and better-lit working environments and also upholds the standard of our Electrical department and contractors.
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