Environmental Engineering Reference
In-Depth Information
Natural Hazards
• Flood
• Fire
• Freeze
• Lack of precipitation
• Erosion (wind, water)
• Sedimentation
• Herbivory/browsing
• Insect infestation
• Vandalism
Management/Technical
• Changes in project requirements
• Changes in staff
• Limitations of team member skills
• Reliability of project design
• Maintainability of design (e.g., not self-sustaining)
• Availability of materials
• Political will
• Government regulatory involvement
• Inadequate coordination among team members and stakeholders
Schedule
• Unrealistic scheduling
• Labor/volunteer shortages
• Shortage of materials
• Failure to receive supplies due to supplier problems
• Miscommunication to suppliers
• Productivity of labor force not at expected levels
• Unforeseen site conditions
• Start-up difficulties
• Poor weather affecting installation or volunteer attendance
• Agricultural pest control activities
Cost
• Schedule delay
• Lack of understanding
• Underestimated project funding
• Incorrect calculations
• Vandalism
• Inflation of material (purchasing less)
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