Journal of Construction Engineering / 2016 / Article / Tab 6

Research Article

Cost Analysis of Precast and Cast-in-Place Concrete Construction for Selected Public Buildings in Ghana

Table 6

Agreement by professionals on the advantages of using precast concrete.

NumberAdvantagesQuantity SurveyorsArchitectsCivil EngineersSum of ranking ()Means of ranking ()Overall ranking

1Low life cycle cost12141.33−1.031.0615
2Reduction of on-site waste11131.00−1.361.8501
3Speed of construction11131.00−1.361.8501
6Dimensional accuracy12141.33−1.031.0615
7Reduction of on-site labour14162.00−0.360.13012
8Reduction of on-site activity, noise, and disturbance33282.670.310.09610
9Sandwich panels available for insulation23382.670.310.09610
10Minimal maintenance33393.000.640.4108
11Thermal inertia reduces lifetime energy costs433103.331.311.7163
12Large spans available from prestressing33393.000.640.4108
13Tight tolerances452113.671.311.7163
14Acoustic insulation352103.330.970.9417

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