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chiswick park (phase 1)

COST SUMMARY (BUILDING 2) START DATE 1.12.00 (40 week programme) GROSS EXTERNAL AREA 11,544m 2NET INTERNAL AREA 9,238m 2Costs based on final account £/m 2Percentage (Gross external area) of total SUBSTRUCTURE 41.96 3.64 SUPERSTRUCTURE Frame 38.09 Upper floors 100.39 8.71 Roof 38.95 Stairs 53.87 External walls 197.00 17.09 Windows, external doors 6.85 0.59 Internal walls, partitions 73.85 6.41 Internal doors 17.81 1.54 Group element total 526.81 45.69 FINISHES Wall finishes 7.92 0.69 Floor finishes 60.87 5.28 Ceiling finishes 37.86 3.28 Group element total 106.65 9.25 FITTINGS, FURNISHINGS 16.70 1.49 SERVICES Sanitary appliances 3.13 0.27 Ventilating systems 2.64 0.23 Gas installations 0.97 0.08 Special installations 12.58 1.09 Disposal installations 7.37 0.64 Water installations 4.51 0.39 Space heating, air treatment 82.80 7.18 Electrical services 71.02 6.16 Lift installations 30.37 2.63 Protective installations 1.56 0.14 Communications installations 11.41 0.99 Building work in connection 3.08 0.27 Group element total 231.44 20.07 EXTERNAL WORKS 89.48 7.76 PRELIMINARIES 140.07 12.15 TOTAL 1,153.11 Cost data supplied by Bruce Patterson, Davis Langdon & Everest COST BENCHMARK* Benchmark £/m 2Chiswick Park Gross floor area Building 2 £/m 2Gross floor area Substructure 178.96 9 Frame, upper floors 260.26 181.92 Roof 46.03 Staircases 30.18 External walls, 482.92 245.42 windows, doors Internal walls, doors, 353.45 243.07 finishes, fittings M&E Installations, 617.54 235.63 builders work in connection Lift installation, 101.05 40.53 builders work in connection Preliminaries, main 225.00 138.94 contractor overheads, profit TOTAL** 2,336.10 Benchmarking by Nigel Orton, Franklin + Andrews * Benchmark based on 10 city centre projects, normalised to London city centre prices in the first quarter on 2003.Benchmark figure is average of these.

These are compared with Chiswick Park's Building 2.

** The total is the average total cost of the 10 projects used in benchmarking, not the total of all the benchmark figures above.

CREDITS: CHISWICK PARK (PHASE1) START ON SITE DATE 10 January 2000 CONTRACT DURATION (PHASE 1) 42 weeks GROSS EXTERNAL AREA (PHASE 1) 34,786m 2TOTAL COST (PHASE 1) £45,630,897 PROCUREMENT Construction management CLIENT Stanhope ARCHITECT Richard Rogers Partnership: Richard Rogers, Neil Southard, Nick Hancock, Tosan Popo, Charles Meloy, Charles-Bernard Gagnon, Michael Barth, Seth Peterson, Francesco Draisci STRUCTURE, M&E, CIVIL ENGINEER Arup MAIN CONTRACTOR Bovis Construction QUANTITY SURVEYOR Davis Langdon & Everest LANDSCAPE ARCHITECT Charles Funke West 8 FIRE CONSULTANT Warrington Fire Research TRAFFIC ENGINEER Halcrow Fox Associates COMPUTER GRAPHICS Hayes Davidson SUBCONTRACTORS AND SUPPLIERS steelwork (Phase 1) Westbury; steelwork (Phase 2) CMF; lifts Otis;

soffits Astec Projects;

raised floors Hewitson Floors; core fit-out Swift Horsman; external works Gavin Jones; cladding Joseph Gartner; concrete O'Rourke Civil Engineering WEBLINKS Stanhope www. stanhopeplc. com Richard Rogers Partnership www. richardrogers. co. uk Arup www. arup. com Bovis Construction www. bovis. com Davis Langdon & Everest www. davislangdon. com Charles Funke www. charlesfunke. com West 8 www. west8. nl Warrington Fire Research www. wfrc. co. uk Halcrow Fox Associates www. halcrow. com Hayes Davidson www. hayesdavidson. com

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