liquid storage tanks potable water storage tanks water storage tank LIQUID STORAGE TANKS Columbian TecTank™ is the leading manufacturer of municipal and industrial liquid storage tanks. Current structural and corrosion inspection practices for bulk liquid storage tanks require product drainage, vessel cleaning with water or solvents. The source for custom design liquid storage tanks. Vertical above ground liquid storage tanks shall be installed on non-combustible foundations of strength adequate to permanently support the tank in a true vertical position. The bottom of the liquid storage tank shall be suitably protected against corrosion. All flammable liquid storage tanks shall be equipped with vent pipes or devices sized to keep the internal pressure or vacuum within the design limits of the tank. These studies have provided general information on the types and thermal insulation structures of the similar large liquid storage tanks. Earthquake response of liquid storage tanks isolated by the sliding systems is investigated under bi-directional earthquake motion. It is found that the sliding systems are quite effective in reducing the earthquake response of liquid storage tanks. In addition, the same earthquake response of liquid storage tanks is predicted by conventional and hysteretic model of the sliding system.