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Buildable Design Score Index (BS Index) / Constructability Score Index (CS Index)

Buildable-Design Score (BS) Index

Objective

  • The BS Index serves as an indicator for tracking the performance of design firms with respect to buildable design.
  • The BS Index is only applicable for firms in the design disciplines of Architecture and Civil & Structural Engineering.
  • A design firm’s BS Index is derived based on its as-built Buildable Design Scores for the latest 5 completed projects in the last 3 years.

Computation methodology

bs index

Indices

Indices for the period relevant to tender evaluation:

Architecture firms:
Jul 2019
Oct 2019
Jan 2020
Apr 2020

Civil & Structural Engineering firms:
Jul 2019
Oct 2019
Jan 2020
Apr 2020

Publication of productivity indices is on quarterly basis – Jan, Apr, Jul, Oct. Only the latest four publications will be available online.


Constructability Score (CS) Index

Objective

The CS Index of each contractor is derived based on their C-Scores (Constructability Scores) of the latest 5 completed projects in the last 3 years. A contractor with a high CS Index will mean that the contractor has performed well in terms of adopting labour-saving construction methods and technologies in their projects.

Computation methodology

chart3

Indices

Indices for the period relevant to tender evaluation:

Builders:
Jul 2019
Oct 2019
Jan 2020
Apr 2020

Publication of productivity indices is on quarterly basis - Jan, Apr, Jul, Oct. Only the latest four publications will be available online.


Disclaimer: 

The information contained in this website is for general information purposes only. The information is provided by the Building and Construction Authority (“BCA”), and while BCA endeavours to keep the information up to date and correct, BCA makes no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information contained on the website for any purpose. Any reliance you place on such information is therefore strictly at your own risk.

In no event will BCA, its officers, contributors or members of its editorial team or their agents and associates be liable to any party whomsoever, for any loss or damage including without limitation, indirect or consequential loss or damage, or any loss or damage whatsoever arising from loss of data or profits arising out of, or in connection with, the use of this website and/or the information contained herein.

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