5706.4.5.1.4 Rectangular tanks over 50,000 gallons (189 250 L) storing a combustible liquid.
FC § 5706.4.5.1.4
For rectangular tanks over 50,000 gallons (189 250 L) storing a combustible liquid, the distance shall not be less than the total of the length and the width of the tank divided by 4, up to a maximum distance of 175 feet (53 340 mm).













