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Costs

Analysis based on tender sum which is the same as the final account

SUBSTRUCTURE

(Work below the underside of the screed, including damp-proof membrane, relevant excavation and foundations)

FOUNDATION SLABS £44.24/m2

Vibrated stone pile foundations, concrete pads and edge beams: hardcore mat plus reinforced-concrete, ground-bearing slabs

SUPERSTRUCTURE

FRAME £81.89/m2

Steel frame and composite floor construction, fire-cased where necessary

UPPER FLOORS £19.20/m2

Composite: metal formwork deck and in situ topping

ROOF £22.53/m2

Low-pitched mono span, metal deck insulated, parapets and concealed gutters etc

STAIRCASES £18.98/m2

Metal 'statement' main stairs with exposed supports etc: escape stair concrete and standard balustrades

EXTERNAL WALLS, WINDOWS AND EXTERNAL DOORS £157.11/m2

Forticrete stack bonded and horizontal window bands to main areas. Terracotta rain screen, cedar boarding and flow gauge grillages to end elevation, distinctive frippery 'bolted on'

SOLAR SHADING £15.17/m2

Outrigger metal, fixed solar shading to one elevation and screening to secondary staircase

INTERNAL WALLS, PARTITIONS AND INTERNAL DOORS £17.43/m2

Generally open plan with block partitioning and light veneered doors with quality fittings to circulation areas

INTERNAL FINISHES

WALL FINISHES, FLOOR FINISHES, CEILING FINISHES £70.97/m2

Wall finishes plaster and emulsion painted with tiling to wcs. mdf skirtings and window boards. Raised metal access floor with carpet tiles in peelable adhesive to office areas. Ceramic tiling to wcs and entrance areas. Exposed-grid suspended ceilings to offices with plastered soffits to stairs, reception and wc area

FITTINGS AND FURNISHINGS

FURNITURE £12.20/m2

Main entrance seating, wc vanity fittings, mirrors, wc partitioning and general wc ironmongery

SERVICES

SANITARY APPLIANCES, SERVICES EQUIPMENT, WATER INSTALLATIONS, SPACE HEATING/AIR TREATMENT £179.30/m2

Standard white glazed sanitary fittings and chrome brassware. All electric, 'Green' Mitsubishi vrv comfort cooling system (first system in this country to incorporate the latest refrigerant [407c] system)

ELECTRICAL SERVICES £79.75/m2

Category 2 light fittings throughout, special fittings in landlord areas, reception and wcs, extensive external works lighting. Floor boxes to tenant's requirements

LIFT AND CONVEYOR INSTALLATIONS £13.64/m2

Single 13-person hydraulic lift with disabled-width doors

PRELIMINARIES AND INSURANCES

PRELIMINARIES, OVERHEADS AND PROFIT £79.45/m2

EXTERNAL WORKS

DRAINAGE: INCOMING SERVICES, LANDSCAPING AND HARD PAVING ETC £251,424

General external work to a very high standard with extensive brick paved car parks and 60 allocated spaces in an adjacent, existing multi-level car deck. Extensive and variegated planting. Gravity clayware drainage and standard incoming services with additional underground ductwork for later cabling provision

cost summary

Cost per m2 Per cent

(£) of total

SUBSTRUCTURE 44.24 5.45

SUPERSTRUCTURE

Frame 81.89 10.08

Upper floors 19.20 2.36

Roof and rooflights 22.53 2.78

Staircases 18.98 2.34

External walls 157.11 19.35

Windows and solar shading,

external doors 15.17 1.87

Internal walls, doors

and partitions 17.43 2.15

GROUP ELEMENT TOTAL 332.31 40.93

INTERNAL FINISHES 70.95 8.74

FITTINGS AND FURNITURE 12.20 1.50

SERVICES

Sanitary appliances, services

equipment, water installations,

space heating and air treatment,

protective and communications

installations, builders work in

connection 179.30 22.08

Electrical services 79.75 9.83

Lift and conveyor installations 13.64 1.68

GROUP ELEMENT TOTAL 272.69 33.59

PRELIMINARIES AND INSURANCE 79.45 9.79

TOTAL 811.84 100.00

Costs supplied by Beaufort Ellis Associates

credits

TENDER DATE

April 1998

START ON SITE DATE

26 May 1998

CONTRACT DURATION

45 weeks

GROSS FLOOR AREA

2420m2

FORM OF CONTRACT

JCT 80 Private with approximate quantities negotiated

TOTAL COST

£2,232,000

CLIENT

The Oxford Science Park Joint Venture (Magdalen College and The Prudential Assurance Company)

ARCHITECT

Proctor Matthews: James Burch, William Burges, Inigo Minns, Stephen Proctor, James Reed , Eleanor Suess

STRUCTURAL ENGINEER

Bunyan Meyer & Partners

QUANTITY SURVEYOR

Beaufort Ellis Associates

BUILDING SERVICES ENGINEER

Rybka Battle

PROJECT MANAGER

David Griffiths & Company

LANDSCAPE ARCHITECT & MASTERPLANNER

Robert Rummey Associates

CONTRACTOR

Alfred McAlpine Special Projects

SUBCONTRACTORS AND SUPPLIERS

ground improvement Bauer Foundations; structural steelwork Webcox Engineering; electrical RT Harris; mechanical & ventilation Wychbury Engineering Services; curtain and window walling Mott Aluminium Services, (suppliers: Kawneer, Alucobond); rainscreen cladding and entrance fabrication Diamond Project Services, (suppliers: 'Flowforge' Redman Fisher, NBK terracotta tile rainscreen, Derbyshire Aggregates, Hi-Bond Chemical Aggregates); roofing, copings and rainwater goods WW Roofing & Cladding Contractors (suppliers: Plannja 'System 3', Protan single ply membrane, CGL Cometec Weathering Systems, Alumasc Rainwater, Cox Domes); staircase architectural metalwork Grange Engineering; entrance area fitted furniture D Smith Joinery; building joinery United Excelsior; lift installation Stannah Lifts; safety systems Safety Anchor; blockwork Forticrete 'Portland Masonry'; dpc & cavity flashings Ruberoid

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