[1] TNB Power Generat Sdn Bhd, PJX HM Shah Tower,Jalan Persiaran Barat, Petaling Jaya 46500, Selangor, Malaysia
[2] Univ Tunku Abdul Rahman, Lee Kong Chien Fac Engn & Sci, Dept Civil Engn, Kajang 43000, Selangor, Malaysia
[3] Univ Putra Malaysia, Fac Engn, Dept Civil Engn, Seri Kembangan 43400, Selangor, Malaysia
[4] Univ Putra Malaysia, Fac Design & Architectural, Dept Ind Design, Seri Kembangan 43400, Selangor, Malaysia