Design Variables That Affect Building Cost

Design to ensure that the clients approved budget is not exceeded. Specific performance requirements.

Construction Cost Estimate For Projects Construction Cost Construction Building Construction

Design issues seen to affect the cost of buildings include their function geometry specifications emphasis on whole life costs legislative constraints and socio-economic factors.

Design variables that affect building cost. Responses to questions such as 1 is it. The quality of building materials and systems will greatly impact building cost. It is therefore important to ask fundamental questions to enable the designer to produce an efficient building structure in terms of life-cycle cost LCC.

Other factors affecting cost include the form of contract period for completion structural form extent of prefabrication and standardisation. Fluctuation in currency exchange rate-The production of basic components requires importation of some materials in time of downfall in naira to dollar we can see the effect in the immediate 100 rise in price of cement and other materials. The final design of a building will be influenced by a variety of factors including users needs planning and Building Regulations requirements site conditions and aesthetic requirements.

Flat Ceilings vs Vaulted Ceilings. The design factors like shape and size of the building complexity of the design circulation space of the building the height and the structural design of the building will have a bearing on the final cost. Plan shape Building size Circulation space Number of storeys Storey height Grouping of buildings Build ability.

Marble is more expensive than brick or stucco. Construction Material Costs. This affects the design process because in long term it may cost the owners more to repair and improve the building.

The top ranking variables are âPrice stability of building materialsâ RII 08045 and âSupply stability of building materialsâ RII 07955 indicating their high influence in the preparation of construction cost estimates and costs of IBS project. Every variable in design may have an effect on costs not only on initial construction cost but also on those costs that occur later during the life cycle of the designed facility Ellingham and Fawcett 2006 p. 7 big factors that affect building cost The building proper.

Design constraints may be inherent in the type of building required or the site or they may be imposed by the client or a third party. Building Quality. Certain types of mechanical systems are more costly than others.

This is a challenging task which frequently involves one-off unique purpose made buildings and the QS typically operates within a design team brought together specifically for that particular project. They can be freely varied by the designer to define a design object. Other factors affecting cost include the form of contract period for completion structural form extent of prefabrication and standardisation and consideration of maintenance and running costs.

The aesthetic quality of a buildings design also impacts its value Figure 64. Factors affecting cost of Construction. The final design of a building will be influenced by a variety of factors including users wishes planning and Building Regulations requirements site factors and aesthetic requirements.

While there are many factors here are the 6 key factors which affect the construction cost estimate. The building design variables have been suggested as part of helping in the field of economics especially during modelling on the constraints of cost analysis and forecasts of the project under the concept of providing value for money products or. If the building is not environmentally friendly or if the building will not last very long then the design would need to be changed prolong the buildings lifespan and also to make the building better for the environment.

The location physical and environmental conditions of the site also exert a considerable bearing on costs. If you want the ambiance open space and floor to high ceiling windows the cost for this will be factored in the volume vs. The cost effect of the main design variables will be examined and compared in this chapter.

Dependency on foreign materials for construction-For materials. There are many factors that affect building costs of a home such as site preparations services code requirements and so on but lets focus on the building design in this article. The study also examines the impact of procurement choices and market conditions and concludes with an.

Parameters called design variables. The sustainability of the design is also a large factor that affects the design process. Design constraints could include among many others.

Clients are often somewhat aware of what their building should cost. This term refers to how the interior spaces are literally finished. The cost effect of the main design variables will be examined and compared in this chapter.

The variables that influence building cost include. Available technology skills plant materials labour and so on. 56 Factors Related to External Factors There are seven 7 items for âExternalâ -related factors that reveal a moderate.

Some would refer to this as the sticks and bricks or the general structure of the building.

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