Commercial: Palace Exchange, Enfield

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Commercial Enfield’s Palace on target with steel A 530 space, five storey The days of dreary car parks being tucked out of sight at the rear of developments are passing steel car park will be the centrepiece of the as architects and clients realize the benefits of using them as eyecatching signature buildings. redevelopment of Enfield’s town centre. Jon Masters reports on an innovative car park taking shape as a centrepiece of a London borough’s redevelopment. An innovative four storey steel car park structure is a of 2.75m, which is a tight figure made possible by FACT FILE Palace Exchange, Enfield key element of the PalaceXchange shopping centre a very efficient structure and asymetric beams from Main client: in the London Borough of Enfield’s town centre. The Corus.” ING Real Estate structure will be highly visible as the signature build- Bourne Steel is the steelwork contractor on the Pal- Development ing of the development, but a successful construction aceXchange development, fabricating and erecting Project value: £30M programme is essential to deliver the scheme in time around 2,500t of steel for Costain which is carrying Architect: Reid for Christmas trading at the end of 2006. out the main £30M design and build contract for de- Architecture PalaceXchange, a project by ING Real Estate De- veloper ING. Gifford carried out the outline design in Structural engineer: Gifford velopment, consists of three main steel framed build- 2002 as development consultant for ING and is now Main contractor: ings and provides an extension to Enfield’s existing working as Costain’s designer. Costain town centre retail facilities. An enclosed walkway “The job was tendered twice, first as a two-stage, Steelwork contractor: across a new pedestrian precinct will connect two then a single design and build contract. At each point, Bourne Steel shopping malls and the most southerly of these will contractors looked at concrete as well with various Steel tonnage: 2,500t be joined by a slender steel footbridge across Cecil speed and cost comparions on the economics of the Road to the third building – the 530 space steel car different solutions,” Mr Miller says. park integrated with a glass “The design of A successful construction fronted civic building. The civic “We could not have done all three buildings programme is essential to deliver facility will occupy one end of the same buildings in stayed as steel this structure, and include a new frame with com- the scheme in time for Christmas library, offices and other public reinforced concrete in posite floor con- trading at the end of 2006 facilities for LBE, over three sto- the time available.” struction due to the reys to the car park’s five. time constraints. According to Technical Director James Miller of The planning consent gave a narrow window of 112 structural engineer Gifford, selection of steelwork for weeks for construction, including extensive enabling the main frames was an important and early decision works to get the development open by October this led primarily by what was wanted from the car park. year.” “The architect wanted essentially flat soffits within Costain’s Project Manager David Woodhouse said: the car park and there was a desire to fit in as many “Steel frame is quicker and it also allows more flexi- floors as possible, so we needed efficient use of the bility on changes to design during construction. Time building height,” says Mr Miller. “Design alternatives was the critical factor though. We could not have were considered, but not selected because with steel- done the same buildings in reinforced concrete in the work we could achieve a floor to floor storey height time available.” 14 NSC March 2006


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