The sand cone method was used to find the field density of soil. 1900 gm of soil was excavated from a hole. After using a specified sand of known unit weight, the volume of hole was found 900 cm³. The oven dry mass of soil was found 1600 gm. The specific gravity of soil is 2.70.

Determine: 

• Water content
• Dry unit weight
• Void ratio
• Degree of saturation
• The relative density if the max unit weight (lab) is 18.9.
• If the specification of the compaction in contract required at least 95%, discuss?