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Explanation of cost summary

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This cost analysis gives building costs not only in the usual element- grouped way, but also in a classification by 'project parts'. This classification shows the amounts for dwelling area, traffic area, storage area, substructure, roofs etc, thus providing more insight on costs according to function and form. In this way it is possible to illustrate and check conclusions on costing in terms of a design and build programme.

The 'project-part method' is based on separating the different area-function and other (non-area/blockform related) project parts. Comparing a variety of project types, this classification can explain and predict building costs, related to a variety in function and form, especially suited to multi-storey buildings. The project parts give information on a higher more general level than elements do.

Per item:

dwelling area costs

the primary/individual dwelling without common traffic storage area, and without common substructure, roofs etc (varying with block form)

traffic area

multistorey buildings show a great variety of sub-parts

storage area

an area in the building volume or a separate building outside

substructure

includes ground floor and external wall edge to ground floor level

roofs

flat roofing and roof covering

end facades

additional walls on the block ends, as a result of the measure method

other parts

such as landscaping

cost summary

Seventy dwellings, each 97.1m2

Costs based on an exchange rage of 1.72 Euros to the pound.

Cost perCost per m2

dwelling

PROJECT PARTS

Dwelling area16,936.00174.42

Traffic area2370.3572.24

Storage area1194.7712.33

BLOCK PARTS

Substructure1878.4919.36Roofs1041.2810.70

End facades836.058.60

Landscaping454.074.65

Additional costs2176.7422.44

TOTAL26,887.21276.92

ELEMENTS

DWELLING AREA

Structural walls1261.6312.96

Structural floors1851.1619.07

External walls2204.0722.27

External windows4175.5843.02

Balcony612.216.28

Internal partitions713.957.27

Doors5255.41

Stairs308.723.20

Finishes1571.5116.16

Utilities/services3449.4235.52

Fixed furnishings304.653.14

SUBSTRUCTURE

Site work88.950.93

Foundation beams430.814.42

Pile foundations606.406.22

Ground floor752.917.73

ROOFS

Construction572.675.87

Covering, eaves468.604.82

TRAFFIC AREA

Hall, stairwell, liftshaft790.708.14

Lifts, services534.885.52

Gallery (closed)903.499.30

Stairs, emergency141.281.45

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