Dike 12 : An earth or concrete wall sur-rounding an oil tank used to catch over-flow from the tank to relieve the danger of flowing flaming oil spreading a fire
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}