Week 9 Lec

• Environmental Impact Assessment


  Identifying the key environmental impacts, suggesting mitigation measures
• Condition WITH the Project

  1. Impacts during Pre-Construction

  2. Impacts during Construction

  3. Impacts during Operation and Maintenance

  4. Impacts during Project Abandonment/Decommissioning
• Impacts on Existing Land Tenure

  • Land acquisition
  • Eradication of structures, crops, and parcels of land
  • Possible displacement
• Mitigation measures for impacts on Existing Land Tenure

  1. Coordination meeting with key officials

  2. Public consultation to address grievances

  3. Information, Education and Communication (IEC) campaign
• Inducement of Mass Movement

  • Removal/relocation of existing vegetation
  • Soil instability
  • Erosion reducing soil fertility and increasing sedimentation
• Impacts on Local Climate

  • Deforestation and CO2 emissions
  • Damage on retained vegetation
  • Alteration on Topography
• Impacts on Air Quality


  • Fugitive dust
  • Emissions from heavy vehicles and equipment
• Mitigation measures for air quality impacts

  1. Minimize land disturbance and vegetation removal

  2. Speed restrictions

  3. Rescheduling civil works in dry/windy weather

  4. Water spraying
• Environmental Management Plan (EMP)

  Set of mitigation, monitoring and institutional measures to be taken during design, construction and operation stages