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Interior and exterior decoration, demolition

Introduction—— Calculation rules 1. Before calculating the quantity of earth and rock works, the following information should be determined: 1. Determination of soil and rock types: The classification of soil and rock types for earth and rock works, according to the engineering survey

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Calculation rules 1. Before calculating the quantity of earthwork, the following information should be determined:
1. Determination of soil and rock types:
The classification of soil and rock types for earth-rock works is determined after comparing the survey data with the "Soil and Rock Classification Table"
2. Groundwater level elevation and drainage (falling) water method;
3. Earthworks, trenches, foundation pit excavation (filling) start and stop elevations, construction methods and transportation distance;
4. Rock excavation, blasting method, gravel removal method and distance;
5. Other relevant information.
General rules for calculation of earthwork quantities:
1. Earthwork volume is calculated based on the natural compact volume before excavation. If it is necessary to use natural compact volume for conversion, it can be converted according to the values listed in the table.

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