1. Professor, Architectural Engineering Dept., King Fahd Univ. of Petroleum and Minerals, Dhahran 31261, Saudi Arabia (corresponding author).
2. M.S. Student, Architectural Engineering Dept., King Fahd Univ. of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
3. Professor, Architectural Engineering Dept., King Fahd Univ. of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
4. Lecturer, Dammam Community College, King Fahd Univ. of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.