How to calculate the labor cost of plumbing engineering in plumbing building?

It can be calculated by labor cost or square meter. General plumbing labor costs range from 120- 150, and the main division of labor is different. Ordinary manual workers 150- 180, coolies 80- 150, and daily work is basically counted. Geothermal calculation is divided into square meters, usually 3 yuan per square meter. Connect the water separator, pressurize, lay the coil and insulation layer. The developer must use the square meter quotation to calculate, otherwise you have no profit. Generally, the lightness skill of HVAC is calculated at 7 yuan per square meter. If it is packaging, it may not depend on your material price.