057 CONSTRUCTION PRODUCTIVITY (MAJOR INFLUENTIAL FACTORS) Dr f Dejahang (BSc CEng, BSc (Hons) Construction Mgmt, MSc, MCIOB, PhD)

CONSTRUCTION PRODUCTIVITY MAJOR INFLUENTIAL FACTORS The main areas pertain to: Managerial Technological Social factors The crucial factors, which have a major effect on construction productivity, can be divided into two main areas: internal factors external factors

CONSTRUCTION PRODUCTIVITY

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS Internal factors The construction site productivity is directly under the influence of the site managers and project manager. often, project managers and site managers are task orientated; their concern is to finish the project on time and within budget;

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS Project mangers or Site mangers with poor communication, human relations will not be able to lead their team. Managers must be able to motivate workers. It is important for managers to have both professional and academic qualifications.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS Managers should have a number of basic characteristics in their approach to a project, such as: accuracy determination initiative integrity loyalty resourcefulness self-confidence and a balanced temperament

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS In the past construction projects were delivered in the traditional way where by design was separated from construction. The separation of design and construct can affect productivity if there is delay in taking design changes or drawings to the contractor. In these circumstances, site labour force and plant become idle resulting in site productivity decline.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS THE ROLE OF PROJECT MANAGEMENT TEAM The prime aim of the management team is to minimise construction costs and meet all Key performance Indicators (KPI’s). This can be achieved if resources are used in most effective way.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS As a result, many techniques have been introduced to assist mangers in managing resources more effectively. The construction management team is also responsible for improving the construction industry’s competitiveness. both in the domestic and international market.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS Project management involvement begins at the design stage. All decisions taken at the design stage must be directed towards achieving the client’s expectations for: Cost Quality Time Full satisfaction

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS The construction work must be handled in such a way that it is completed on time within the set budget. At any time, several design teams are involved in the design stage of a project.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS The teamwork amongst design team will reduce design change. A good management team can reduce variation to the original plan. Following a design change: the site labour force; and plant become idle resulting in site productivity decline.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS Project managers are also responsible for choosing the right contract for the right project. The right choice of contract is an important part of the project management decision-making process.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS Reducing the time required to deliver a project is one way of improving competitiveness. Network Programming allows managers to reduce time. The implementation of construct-ability can reduce the scheduled time for a project by up to 30% without any extra cost to the project.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS The main responsibilities of project managers are: in reducing cost; maintaining high quality work; reducing waste; reducing delays; Etc.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS PROJECT MANAGEMENT EFFECTIVENESS The project management’s effectiveness is about having the power to produce good results. Management effectiveness is influenced by several factors such as: education; training and experience- help project Managers to develop their knowledge and skill.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS The project Manager’s familiarity with their working environment and team members. This determines a project manager’s approach in dealing with the activities on site. The project manager’s managerial behaviour is influenced by: company rules and regulations.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS Poorly performing projects are caused by: Disruption; site congestion; sequencing (events following each other in a successive way); lack of availability of material;

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORDS Also, site management; worker’s skills; the motivation of workforce; quality of engineering; work environment.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS The effectiveness of the site manager depends on several factors. 1) Personal factors such as: the manager’s age experience qualification style of management membership of professional body etc.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTOR 2) Job related variables such as: salary job satisfaction job security All of which may influence the site manager’s motivation.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS project variables are defined as: building type; project size; Duration; construction methods and complexity of the project. organisational variables such as: the size of the company; site engineers’ level of authority.

CONSTRUCTION PRODUCTIVITY AND MAJOR INFLUENTIAL FACTORS Also, External factors External factors include: characteristics of the industry client participation inclement weather economic climate