1. Managerial
1.1. Psychology of the Laborers
1.1.1. Motivation
1.1.2. Dissatisfaction
1.1.3. Personality
1.1.4. Absenteeism
1.2. Physique of the Laborers
1.2.1. Fatigue
1.2.2. Ergonomics and Work Health
1.2.3. Comfort
1.2.4. Unpleasant Weather
1.3. Extrinsic to Labor (A)
1.3.1. Crew assignment
1.3.2. Rewarding Systems
1.3.3. Work Shifts
1.4. Extrinsic to Labor (B)
1.4.1. On-Site Accomodations
1.4.2. Work Safety
1.4.3. Laborer Training
1.5. Intrinsic to Labor
1.5.1. Immigrant Laborers
1.5.2. Learning Effect
1.5.3. Experience and Intrinsic Skills
1.6. Management Planning
1.6.1. Resource allocation, Buffers and Parallelism
1.6.2. Management Tools
1.6.3. Composition of a Task
1.6.4. Work Baselines or Performance Indexes
1.7. Management Skills
1.7.1. Previous Planning, Efficient Management and Monitoring
1.7.2. Communication
1.7.3. Conflicts and Strikes
1.7.4. Workflow
2. Technical
2.1. Project
2.1.1. Site Layout
2.1.2. Materials Transportation and Handling
2.1.3. Heavy Equipment Appliance
2.1.4. Precast elements
2.2. Design
2.2.1. Construction Means and Methods
2.2.2. Constructability and Workability
2.2.3. Rationalization
2.2.4. Technical Specifications Clarity
2.3. Company
2.3.1. Bureaucracy
2.3.2. Feedback after completion
2.3.3. Market and Context
2.3.4. Final Profit