[R.O. 1996 § 505.010; CC 1968 § 18-1; Ord. No. 4559 § 1, 8-3-2015]
A.
The North American Vertical Datum of 1988 (NAVD88) is the vertical control datum of orthometric height established for vertical control surveying in the United States of America. This datum is recognized as the base for determining and establishing all grades for the City of Blue Springs.
B.
Historical base:
1.
The west iron doorstep in front of the west iron post, or column, of the brick building now located on Main Street, on lot No. I, Block E. Stanley's subdivision of the Knox reserve of said City.
2.
The assumed elevation of said iron doorstep or plate is one hundred (100) feet above the datum plane and is marked thus: "B.M. #100."