The concept and maintenance of dome / Mohd Rimie Jaizam Ariffin

Nowadays, construction is rapidly developing even though problem on defects still occurs especially dome roof in mosque. There are many type of dome roof defect. This research was conducted with the aim to develop an appropriate method of maintenance to prevention of dome roof defects. The appropriate method of maintenance and prevention is needed to guide the contractor in reducing cost of repetitive maintenance, labor and time. The objectives of this research are to identify the common defect, the factor causes the defect and the dome roof maintenance to prevent defect occur in the mosque. A survey was conducted to achieve the objective research. The result indicated that the most common type of dome roof defect is roof roofs and ceiling leaks, the position error of drainage and paint defect. Generally the sources to contributed defect occurred in dome roof are from the unsuitable drainage, heavy rain, unskilled workers, poor in building materials, unsuitable roof design, lack of maintenance and lack of supervision. In conclusion the most agreed preventive method to avoid the dome roof defects by appointing a good contractor and skilled workers, ensuring the installation of dome roof with the correct method, using quality materials and follow the specification, order and scheduled maintenance, oversight seeing on construction sites and quality inspection of the design. It is hoped that the findings can be a guidance to make dome roof repair work more effective and efficient.