Canolfan Rheidol - Public Architecture

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28 Canolfan Rheidol “The building was required to achieve a BREEAM “Excellent” rating and this was achieved by a mixture of passive and active measures.” Cnec kinder boiler 9m wide full height atrium, allow the building to be predominantly naturally ventilated when required. The ground floor facilities contain the high occupancy areas requiring mechanical ventilation, whilst the upper floors have the highly serviced cellular spaces grouped at either end of the open plan wings. • Thermal Mass: Exposed concrete soffits allow for heat absorption during the day following night time cooling by a BMS controlled high level windows. • Heating and Hot Water: This is provided by an off site biomass boiler, which burns locally sourced woodchip. The Council also provides the adjoining WAG office building with energy at 2p/kWH plus a small service charge. • Electricity: In addition to generous natural lighting, internal luminaires incorporate fully controllable daylight dimming, adjusting power consumption in relation to daylight levels. A 15m high “Quiet Revolution” wind turbine and solar panels supplement electrical demand. • Water Conservation and Biodiversity: Rainwater harvesting is incorporated for toilet flushing. Project details Notional Building Target Score (TER): 29.4kg CO 2 /m 2 /annum Predicted Building Performance (DER): 14.9kg CO 2 /m 2 /annum Predicted % Improvement: 49.3% Credits Architect: Powell Dobson Quantity Surveyor: Ceredigion County Council Mechanical & Electrical Engineer: Hoare Lea Predicted EPC Score: B BREEAM Rating: Excellent The Energy Saving Trust supported the project via its Carbon Management Programme and provides assistance in monitoring the energy performance of the building. Structural Engineer: Clarke Bond Start on site: March 2008 Landscape Architect: Soltys Brewer Completion: July 2009 Main Contractor: Willmott Dixon Ltd. The total cost of the project was £15 million including fixtures and fittings
Canolfan Rheidol 29 Final costs summary Contract sum Base Construction Costs 1 Substructure 1A Specialist Testing and Gas Venting 1B Excavation and Cart Away 1C Piling Works 1D Ground Floor Slab and Foundations 1E Enabling Works Substructure Total: £903,908.60 2 Superstructure 2A Frame 2B Upper Floors 2C Roof and Rainwater Disposal 2D Stairs and Walkways 2E External Walls 2F Windows, External Doors 2G Internal Walls and Partitions 2H Internal Doors Superstructure Total: £4,960,559.97 3 Finishes 3A Wall Finishes 3B Floor Finishes 3C Ceiling Finishes 4 Fixtures and Fittings Total 4A Furniture/Fixtures and Fittings Fixtures and Fittings Total: £322,871.14 5 M&E Services 5A 5B 5C 5D Mechanical Installation Electrical Installation Lift Installation Builders’ Work in Connection M&E Services Total: £3,513,526.88 6 External Works Total 6A 6B 6C 6D Site Works Drainage External Services Minor Building Works External Works Total: £1,311,459.38 Preliminary Costs: £1,346,556.28 Design Fees/Misc Tests etc: £900,112.00 Total Construction Costs: £14,334,122.29 “The ground floor facilities contain the high occupancy areas requiring mechanical ventilation.” Finishes Total: £1,075,128.04 Overheads and Profit : £781,226.73 TOTAL: £15,115,349.02 w w w. p u b l i c a r c h i t e c t u r e . c o . u k information and technology for construction & architecture in the public sector Go to the Knowledge Base to see articles on a wide range of building types.
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