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PSP were appointed by Queen’s College to provide full quantity surveying services on the construction of a new Lecture Theatre set in the Drawda Garden and within existing medieval garden walls. It provides tiered seating for 110 people with all attendant facilities. The new facility fits seamlessly into the confined, historic setting.
The glazed entrance foyer provides a setting for small functions, drinks receptions and break-out space with access out on to the secluded Drawda Garden. Great emphasis was placed on acoustic performance of the building for lectures, seminars and recitals. The external natural stone walls, one of which forms the boundary to All Souls College, were repaired and retained and remain exposed in the new auditorium. It was the winner of a 2012 Oxford Preservation Trust award and a 2012 RIBA Design Award.
As the new building was contained within adjacent historic walls and space was at a premium a subterranean plant room was constructed using secant piled walls and a ground source heat pump installation provides heating and cooling. The main structure is a steel frame with a Cotswold slate roof. Brewhouse ventilators were included to match adjacent buildings. The auditorium is fully ventilated, part mechanically and part naturally. The underside of the roof is lined with timber and hardwood louvres were installed to high level windows.
The facility is fully equipped with state-of-the-art audio-visual and sound features, including a retractable screen hidden in the floor, all operated from the rear control room or stage lecturn.
The project was procured traditionally under a JCT Standard Building Contract with contractor’s design elements. Bills of quantities were used to maximise the competitive process and provide clear and detailed cost for the management of change post contract. Kingerlee Construction were appointed following a competitive tender process.