Impact Assessment of Environmental Management System Instrument of ISO 14001

Application of ISO 14001-EMS standard in construction firms is used and being studied in different countries. In the Philippines, the province of Palawan, declared as the last frontier, considers environmental protection as its culture where constructions firms are being established through various and vast construction projects. This study aims to develop environmental management system assessment model instrument standard for construction firms in Palawan based on the ISO 14001:2015 – Environmental Management System. The survey questionnaire was constructed by the certified internal audit of ISO 14001:2015 EMS standard and distributed to the population of the construction firms in Palawan. The analysis of data includes descriptive statistical analysis such as mean and frequency. The results revealed that most of the construction firms in Palawan are private owned and did not apply ISO 14001:2015 in their construction firm. Most issues contraries and self-implication of assessment model are it requires more stable worker cost and most of the indicators in their firm has most criterion met but need more improvement. The assessment model instrument of ISO 14001:2015 EMS was further revised and analyzed using the principal component analysis and further its reliability using Cronbach alpha. The assessment model instrument was developed through data reduction using the Pincipal component analysis. It undergoes evaluation by as ISO certified individual.