Cost breakdown Table 1 |
| element cost | cost/m2 gfa £ | % of total cost |
Substructure | 2 519 000 | 111.96 | 9.12 |
Excavation and fill to site area; average depth 500 mm; disposal; breaking out obstructions | | 11 000 m2 | @ £9 |
300 mm diameter driven precast concrete piles; complete | | 11 000 m2 | @ £80Ìý |
Column bases and pile caps; average 1.5 m deep; excavation; reinforced insitu concrete | | 11 000 m2 | @ £20Ìý |
Suspended ground slab; excavation; damp proof membrane; insitu concrete, average thickness 265 mm; reinforcement (230 kg/m3); including allowances for ground beams; pits and thickenings | | 11 000 m2 | @ £100 |
Extra over ground slab; for works associated with hydraulic athletics track | | | item @ £50 000Ìý |
Extra over ground slab for works to form permanent ice floor; dropped section to ground slab; additional monolithic slab; service ducts; insulation | | 2000 m2 | @ £85 |
Frame | 1 103 100 | 49.03 | 3.99 |
Columns and stepped raker beams to arena bowl; reinforced insitu concrete; reinforcement @ £250 kg/m3 | | 2570 m2 | @ £77Ìý |
Columns and beams generally; reinforced insitu concrete; reinforcement @ £250 kg/m3 | | 8900 m2 | @ £87Ìý |
Extra over for circular columns | | 1030 m | @ £30Ìý |
Allowance for structural steel truss to suspended section of main concourse floor | | | item @ £100 000Ìý |
Upper floors | 554 700 | 24.65 | 2.01 |
Prestressed, precast concrete structural suspended floor units, 260 mm thick; 50 mm thick structural topping as required | | 8900 m2 | @ £32Ìý |
Prestressed, precast concrete seating units; L-section, 875 mm × 475 mm, spanning 10 m | | 2570 m2 | @ £105Ìý |
Roof | 3 661 100 | 162.72 | 13.26 |
Roof trusses to clear 72 m span; grade 50 structural steel; tonnage based on allowance of 85 kg/m2; fabrication, erection, high-performance paint finish; including allowance for high-level walkways | | 770 tonnes | @ £2250Ìý |
Roof cladding; curved and tapered; raised seam aluminium roofing, structural deck,insulation, vapour barrier | | 8000 m2 | @ £125Ìý |
Extra for perforated aluminium acoustic lining | | 7000 m2 | @ £25Ìý |
Reinforced insitu concrete slab; roofing membrane; insulation | | 1285 m2 | @ £110 |
Extra for glazed rooflights | | 70 m2 | @ £250Ìý |
Lightweight roofing systems; generally | | 3000 m2 | @ £75Ìý |
Allowance for safety balustrades, handrails and gantries | | 1125 m | @ £150Ìý |
Allowance for box office and service yard canopies; including steelwork | | | item @ £135 000Ìý |
Above-ground rainwater installations; generally | | 11 000 m2 | @ £6 |
Stairs | 395 000 | 17.56 | 1.43 |
Reinforced insitu concrete stairs and landings; frameless glass balustrades and stainless steel handrails to concourse stairs (finishes not included) | | 30 | @ £12 500Ìý |
Precast concrete gangway step units | | | item @ £13 000Ìý |
Allowance for roof access stairs and cat ladders | | | item @ £7000Ìý |
External walls, windows and doors | 1 614 500 | 71.76 | 5.85 |
Facing quality, coloured spit-faced blockwork cavity walls; including allowances for reinforcement and insulation | | 1450 m2 | @ £160Ìý |
Reconstituted stone copings | | 300 m | @ £150Ìý |
Aluminium composite panel rainscreen cladding; insulation; sub-frame | | 1550 m2 | @ £290Ìý |
Aluminium soffit cladding to arena roof eaves; to match rainscreen; sub-frame | | 1350 m2 | @ £225Ìý |
Terracotta rainscreen cladding; insulation; sub-frame | | 1050 m2 | @ £210Ìý |
Extra over rainscreen cladding for blockwork backing walls | | 1600 m2 | @ £30Ìý |
Glass blockwork | | 170 m2 | @ £275Ìý |
Aluminium louvres to plant rooms and to roof perimeter | | 575 m2 | @ £340 |
Perforated screens to roof level main plant; 3 m high | | 210 m2 | @ £350Ìý |
Windows and external doors | 447 000 | 19.87 | 1.62 |
Aluminium-framed punchhole windows; sealed double-glazed units | | 450 m2 | @ £375Ìý |
Entrance screens; laminated single-glazed screens incorporating double entrance doors; ironmongery | | 34 | @ £5 000Ìý |
Escape doors; metal panel double doors and frames; ironmongery | | 34 | @ £2 000Ìý |
Escape doors; metal panel single doors and frames; ironmongery | | 4 | @ £1 000Ìý |
Security shutters; power operated | | 145 m2 | @ £250 Ìý |
Internal walls and partitions | 1 268 400 | 56.37 | 4.59 |
Insitu concrete walls; 200 mm average thick; to vomitorys, staircores and so on | | 530 m2 | @ £90Ìý |
Blockwork partitions; average 190 mm thick; including reinforcement and head restraint | | 16 500 m2 | @ £45Ìý |
Proprietary toilet cubicles; vandal-resistant; metal-faced; including doors, ironmongery and fittings | | 183 | @ £400Ìý |
Glazed screens; non-fire rated | | 260 m2 | @ £250Ìý |
Sliding/folding partitions; 6 m extended length | | 34 | @ £10 000Ìý |
Internal doors | 490 000 | 21.78 | 1.77 |
Single doors; fire resisting; overpanels as necessary; including ironmongery | | 195 | @ £1000Ìý |
Double doors; fire resisting; overpanels as necessary; including ironmongery | | 100 | @ £1 750Ìý |
Full-height sliding double-glazed screens to boxes | | 60 m2 | @ £250 |
Allowance for main duct access doors and hatches | | | item @ £5000Ìý |
Roller shutters and fire shutters | | 400 m2 | @ £250Ìý |
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