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Less is Moore

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cost analysis

CONTRACT TYPE ifc84

START DATE 8 December 1997

COMPLETION November 1998

GROSS INTERNAL FLOOR AREA 410m2

TOTAL COST £550,000

DEMOLITIONS AND ALTERATIONS

REMOVING BARN£45.85/m2

Dismantle asbestos-sheeted steel-framed barn, transport portal frames to fabricator's works, break up ground slab

SUBSTRUCTURE

FOUNDATIONS/SLABS£65.12/m2

In-situ concrete trench-fill foundations, brick/block foundation walls, in-situ reinforced-concrete ground slab

SUPERSTRUCTURE

FRAME£97.56/m2

Work to existing portal frames, additional steel members and cladding rails, paint finish

UPPER FLOORS£8.29/m2

Precast-concrete plank mezzanine floor

ROOF£117.19/m2

Rafters and counterbattens, insulation with breather and vapour-control membranes, boarding covered by zinc with standing seams, zinc gutters and downpipes. ManSafe system along ridge. Non-venting aluminium rooflights with 24mm sealed double-glazed units

STAIRCASES£8.90/m2

Oak dog-leg staircase, glass balustrade to landing

EXTERNAL WALLS£89.02/m2

Solignum-finished Douglas fir shiplap boarding and framing, zinc coverings, support framings for insulation with breather membrane

WINDOWS AND EXTERNAL DOORS£79.27/m2

Powder-coated steel windows with sealed double-glazed units, aluminium motorised opening vents, sliding external doors

INTERNAL WALLS AND PARTITIONS£11.46/m2

Blockwork and plasterboard covered metal stud partitions

INTERNAL DOORS£23.90/m2

Flush doors, paint finish. Steel-framed zmdf-covered sliding doors

INTERNAL FINISHES

WALL FINISHES£31.71/m2

Gyplyner system with two layers plasterboard and plaster finish coat to main gallery and zmdf board to mezzanine and works on paper

FLOOR FINISHES£40.24/m2

Power-float-finished fine concrete screed with surface hardener. Oak strip flooring to mezzanine

CEILING FINISHES£21.95/m2

Gyplyner system with two layers plasterboard and plaster finish

FIXTURES AND FITTINGS

FIXTURES AND FITTINGS£52.93/m2

Oil-fired boiler, underfloor low-temperature hot-water heating coil, mechanical ventilation

SERVICES

MECHANICAL SERVICES£160.61/m2

Oil-fired boiler, underfloor low-temperature hot-water heating coil, mechanical ventilation

ELECTRICAL SERVICES£119.51/m2

Lighting and power, fire detection and alarm systems

LIFT AND CONVEYOR INSTALLATIONS£21.95/m2

Disabled access to mezzanine

BUILDER'S WORK IN CONNECTION£4.27/m2

PRELIMINARIES AND CONTINGENCIES

PRELIMINARIES£218.29/m2

CONTINGENCIES£51.72/m2

EXTERNAL WORKS

EXTERNAL WORKS£29,500

External pavings, fencing, sheep grid and drainage

cost summary

Cost per m2 Per cent

(£)of total

DEMOLITIONS & ALTERATIONS45.853.61

SUBSTRUCTURE65.125.13

SUPERSTRUCTURE

Frame97.567.69

Upper floors8.290.65

Roof and rooflights117.199.23

Staircases8.900.70

External walls89.027.01

Windows and external doors79.276.25

Internal walls and partitions11.450.90

Internal doors23.901.88

GROUP ELEMENT TOTAL435.5934.31

INTERNAL FINISHES

Wall finishes31.712.50

Floor finishes40.243.17

Ceiling finishes21.951.73

GROUP ELEMENT TOTAL93.907.40

FITTINGS AND FURNISHINGS52.934.17

SERVICES

Mechanical services160.6112.65

Electrical services119.519.42

Lift and conveyor installations21.951.73

Builder's work in connection4.270.34

GROUP ELEMENT TOTAL306.3424.14

PRELIMINARIES218.2917.20

CONTINGENCIES51.224.04

TOTAL1269.24100.00

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