| Target layer | Criteria layer | Indicator layer |
| Index system for influencing factors of hidden costs in the construction phase of construction projects A | Management factor B1 | Initiative for staff work C1 |
| Information flow control level C2 | ||
| Professional competence and technical level C3 | ||
| Information collection, organization and analysis capabilities C4 | ||
| Subcontract management C5 | ||
| Mechanical equipment repair and maintenance C6 | ||
| Leadership decision level C7 | ||
| The degree of perfection of the system and mechanism C8 | ||
| Information transfer rate C9 | ||
| Safety production management C10 | ||
| Management organizational structure design C11 | ||
| Technical factor B2 | Quality assurance C12 | |
| Construction schedule C13 | ||
| Duration guarantee C14 | ||
| Determination of major construction steps and technical plans C15 | ||
| Construction deployment and selection of construction methods C16 | ||
| Construction site layout C17 | ||
| Construction machinery and equipment selection C18 | ||
| Contract factor B3 | Progress payment amount C19 | |
| Project changes C20 | ||
| Pad production C21 | ||
| Timeliness of claim C22 | ||
| Material equipment supply C23 | ||
| Contract clause modification C24 | ||
| Social environmental factors B4 | Change in raw material prices C25 | |
| force majeure C26 | ||
| Changes in laws and regulations C27 | ||
| Industry policy adjustment C28 | ||
| Engineering geological conditions C29 | ||
| Inflation C30 | ||
| Social security around the project C31 |