(a) All elevations in a subdivision are referred to n.g.v.d. of 1929.

(b) One monument with bronze disk will be required in each subdivision or at least one per 50 units in larger subdivisions. The location of the monuments must be approved by the city engineer.

(c) The bronze disk shall be flat, three inches in diameter, and 3/16-inch thick with a one-inch by 2 1/2-inch stem at the bottom. This marker shall be cemented in a drill hole in solid rock, in a bridge abutment or in any other permanent masonry structure. The inscription shall read: "Florida, B.M. No. ________, Elev. ________, Cape Canaveral."