Prediction Technology of Power Transmission and Transformation Project Cost Based on the Decomposition-Integration

Table 3

The average MIV values of the factors.

Factor	MIV
The number of this period main transformer	3.1
Construction area (main control building)	2.9
Land area (total station)	2.7
Cable	2.7
The main transformer capacity	2.6
Area	2.1
Steel frame and other materials	1.9
Fill volume of site formation	1.7
Foundation treatment method	1.3
Altitude	1
Land area (inside the walls)	0.8
Cable trench	0.7
Pit road length	0.6
Pollution level	0.5
Excavation volume of site	0.5
Volume of the ditch pool	0.3
Construction area (total station)	0.3
Ground endurance	0.2
The weight of steel	0.2
The weight of the cement	0.1