| # | Knowledge Factor | Predicate |
| 1 | Evaluation of the client | knowledge (s, client, n); |
| 2 | Knowledge of the complexity of the design | knowledge (s, complexity, n); |
| 3 | Knowledge of the competitors | knowledge (s, competitor, n); |
| 4 | Knowledge of the consultant | knowledge (s, consultant, n); |
| 5 | Appropriate knowledge of the laws and regulations of the contractual process | knowledge (s, law, n); |
| 6 | Complete knowledge about the project location | knowledge (s, location, n); |
| 7 | Knowledge of a contractor’s financial situation | knowledge (s, financial, n); |
| 8 | Knowledge of the relationship between the contractor and subcontractor | knowledge (s, subcontractor, n); |
| 9 | Knowledge of the current construction project’s market situation | knowledge (s, market, n); |
| 10 | Knowing how to find the skilled employees and technicians who are needed to make the construction project a success | knowledge (s, employee, n); |
| 11 | Knowledge of contractor’s experience. The estimator should have knowledge of client experiences | knowledge (s, experience, n); |