purchase of laboratory and it equipments for development of soil mechanics lab purchase of de-aired water apparatus-purchase of de-aired water apparatus1. the apparatus should produce de-aired water suitable for laboratory soil tests, including triaxial tests and permeability tests.2. vacuum system: equipped with a reliable vacuum pump capable of achieving sufficient vacuum pressure to effectively remove air from water 3. tank capacity: holds a minimum of 15 liters to meet laboratory testing requirements4. standards compliance: must comply with relevant is standards applicable to soil testing equipment for laboratory use.