Research Article

Energy Performance Evaluation and Economic Analysis of Insulation Materials of Office Building in Korea

Table 2

Method for calculating the investment cost DB for economic analysis.

Labor costExpenses

Direct labor costOther expensesWorker’s compensation insuranceHealth pension insuranceLong-term care insuranceEnvironmental preservation costRetirement cost deductible installment

Direct labor cost × rate(Material cost + labor cost) × rateLabor cost × rateDirect labor cost × rateHealth insurance × rate(Material cost + direct labor cost + expenses) × rateDirect labor cost × rate
ConstructionIndustrial facilityConstructionIndustrial facility

7.67.66.46.4Worker’s compensation insurance: 3.8; employment insurance: 1.01Health: 1.7; pension: 2.496.440.82.3