Tag Archives: Public Building

Cause of Construction Material Wastage on Public Building Project in Western Oromia (Published)

Effective use of construction material is profitable in the industry as well as in the economy of any country. This research is aimed to cause of material wastage and rank highly wasted construction material on public building projects in western Oromia. The result of the study analyses, mostly causes of construction materials are; Changes made to the design while construction is in progress, Lack of attention paid to dimensional coordination of products, Damage during transportation, Improper planning for required quantities, Designer’s inexperience in method and sequence of construction. In addition, causes of construction material wastages are presented under seven attributes causes. As well as wastage of material on eight key construction, material are ranked as concrete, wooden formwork, block, and steel are most wasted by asking respondents based on their experience in the construction industry. Generally, wastage of material is highly occurred in every activity i.e. during design, construction and during the production of the material.

Keywords: Construction Material, Public Building, causes of wastage, wastage

Assessing the Relationship between Energy Efficient Design Decisions and Energy Performance of Public Buildings in Ghana: Architect Perspective (Published)

As energy is a locomotive sector of the national economy, energy efficient decisions in the construction industry cannot be underestimated. The purpose of the study is to assess the perceptions of Architect on relationship between energy efficient design decisions and energy performance on public buildings in Ghana. Questionnaire was the main data collection tool. The questionnaires were distributed to a randomly selected sample of one hundred and thirty-five (135) registered architects. The data was analysed using inferential statistics such as Pearson product moment correlation coefficient and multiple regression analysis. The study established that there was a significant, positive correlation between building envelope/orientation, site condition related decision and energy performance of public buildings and these has explain 81.7 percent of the variation in energy performance. It was again reveal that factors that contributed significantly to this relationship were Passive solar technique, Natural ventilation, Temperature of the building site, Day lighting technique and Site shading strategy. The study indicates that the most critical constrain to energy efficient design were lack of public awareness followed by client budget and lack of skilled labour. It is recommended that Architects should adopt the EED framework designed as an appropriate strategy in the design of public buildings to improve the energy performance of public buildings.

Keywords: Architect, Energy Efficient Design, Energy Performance, Ghana, Public Building