Dr f Dejahang ( BSc CEng, BSc (Hons) Construction Mgmt, MSc, MCIOB, PhD)

1. 058 PRODUCTIVITY AT CONSTRUCTION COMPANY LEVEL Dr f Dejahang (BSc CEng, BSc (Hons) Construction Mgmt, MSc, MCIOB, PhD)

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17. PRODUCTIVITY AT CONSTRUCTION COMPANY LEVEL • lack of opportunities to exercise skills/knowledge; • slow response in settling employee’s grievances; • uncertainties about career prospects; • constraints on a worker’s performance.

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21. PRODUCTIVITY MEASUREMENT-PERFORMANCE ABILITY RATIO (P.A.R) • Performance is a ratio of accomplishment to methods. • the worth of performance is the value of the accomplishment divided by the cost of the methods.

22. PERFORMANCE ABILITY RATIO (P.A.R) • The measurement of worth of a particular crew’s performance is more than just calculating how it is worth relative to cost. • It therefore becomes essential that a crew’s performance be compared against a yardstick of acceptable standard.

23. PERFORMANCE ABILITY RATIO (P.A.R) • Time study can help to establish standard time, although it is expensive and time consuming. • Contractors establish estimated rates based on past experiences, to form their bases of estimation for new jobs. • To overcome this problem exemplar performance has been introduced to management team.

24. PERFORMANCE ABILITY RATIO (P.A.R) • PAR= Exemplar Performance/Current Performance • There are a number of ways in which P.A.R can be used. • One such a way is the comparison between current performance and exemplar. • This will give a measurement of site worker’s performance. • PAR=1 It means current work is equal to exemplar • It is hardly possible for any firm to maintain it.

25. PERFORMANCE ABILITY RATIO (P.A.R) • PAR>1 it means there is potential for improving the performance of the crew on site. • PAR<1 Is an indication that a company’s performance is above Average.

26. PERFORMANCE ABILITY RATIO (P.A.R) PAR also can be shown as: • PAR= Exemplar Performance/Weekly Average. • The Exemplar Performance can be measured from daily productivity rate against weekly average productivity. • Student to read about: • Factor models-Project leadership model -Action response model.

27. PERFORMANCE ABILITY RATIO (P.A.R) PAR also can be shown as: • PAR= Exemplar Performance/Weekly Average