“…Writers on sustainability practices recognise that there are few major common initiatives that strongly highlighted are Energy Efficiency, Water Efficiency, Waste Management (Filippi & Sirombo, 2015;Rughooputh, Cheeneebash, & Mungroo, 2014;KOÇ, 2014;Abdallah et al, 2013 andHasim &Pullen,2011). In addition, (Filippi & Sirombo, 2015;KOÇ, 2014;and Hasim & Pullen, 2011) also claimed that Sustainable Policy, Sustainable Transport and Sustainable Facilities / Infrastructure is other common initiatives practice in existing building. However, there are few reseachers including Society, 2005;Gimenez, Sierra, & Rodon, 2012;Jaehn, 2015, highligted that sustainable operation is another initiative that strongly effects on sustainable goal.…”