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Measuring Project Productivity

Project productivity is defined as the amount of floor area completed per man day.

The indicator is calculated as follows:

 about project productivity

A project is deemed to be more productive if more square meters of floor area can be constructed with the same mandays.

The following tables show the project productivity of our local construction industry:

Table 1a: Industry Overall Productivity Indicator (m2 per manday)


Year

Industry Overall Productivity Indicator

2010

0.381

2011

0.384

2012

0.389

2013

0.395

2014

0.403

2015

0.411

2016

0.419

2017

0.428

2018

0.438

20190.448

Table 1b: Project Productivity by Building Category (m2 per manday)


Year

Public Housing
(HDB Projects)

Residential
(landed)

Residential
(non-landed)

Commercial

Industrial

Institutional

2010

0.439

0.190

0.319

0.328

0.495

0.319

2011

0.441

0.192

0.321

0.330

0.501

0.330

2012

0.449

0.194

0.326

0.335

0.508

0.338

2013

0.459

0.196

0.331

0.341

0.513

0.348

2014

0.470

0.199

0.337

0.348

0.523

0.355

2015

0.482

0.202

0.343

0.355

0.534

0.363

2016

0.493

0.204

0.349

0.363

0.542

0.373

2017

0.504

0.206

0.357

0.370

0.554

0.381

2018

0.517

0.210

0.366

0.378

0.566

0.391

20190.5320.2160.3760.3860.5770.399

Table 2a: Industry Overall Productivity Indicator (manday per m2)


Year

Industry Overall Productivity Indicator

2010

2.62

2011

2.60

2012

2.57

2013

2.53

2014

2.48

2015

2.43

2016

2.39

2017

2.34

2018

2.28

20192.23

Table 2b: Project Productivity by Building Category (manday per m2)


Year

Public Housing
(HDB Projects)

Residential
(landed)

Residential
(non-landed)

Commercial

Industrial

Institutional

2010

2.28

5.25

3.13

3.06

2.02

3.13

2011

2.27

5.21

3.12

3.03

2.00

3.03

2012

2.23

5.15

3.07

2.99

1.97

2.96

2013

2.18

5.10

3.02

2.93

1.95

2.87

2014

2.13

5.03

2.97

2.87

1.91

2.82

2015

2.07

4.95

2.92

2.82

1.87

2.75

2016

2.03

4.90

2.87

2.75

1.85

2.68

2017

1.98

4.87

2.80

2.70

1.81

2.62

2018

1.93

4.76

2.73

2.64

1.77

2.56

20191.884.632.662.591.732.51
   

Please note that:

  1. 1 manday is defined as 1 man working for 8 hours.
  2. The project productivity shown in Table 1a and 1b applies to building projects only.
  3. The industry overall productivity indicator is derived based on the percentage of progress payment for the various building categories.
  4. The site management team is not included when calculating the total number of site workers.
  5. Only on-site works are considered when calculating the project productivity.

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