(a) No building openings, including basement walkouts, shall be constructed below the following elevations:
(1) One foot above the 100-year floodplain.
(2) The building opening established at the time of plat or development approval and on file in the Municipality Engineering Department.
(3) Three feet above the top of any downstream culvert.
(4) Four feet above the bottom of any permanent and defined drain.
(5) One foot above an adjacent detention basin design high water.
(b) A waiver from elevations stated in Section 1047.035 may be granted by the Municipality Engineer following receipt of a certification from a registered professional engineer demonstrating that the proposed elevation does not pose a risk of flooding.
(c) Upon completion of construction of the structure’s foundation and/or slab on grade, a registered land surveyor shall certify any minimum building opening elevation specified by this chapter. This certificate shall attest that the building opening elevation complies with the standards of this chapter. The permittee for the building permit shall submit the certificate to the Municipality prior to the commencement of framing and/or structural steel placement. If the surveyor should find that the minimum building opening elevation is below the elevation specified in the Michigan Building Code, that opening must be raised using a method that meets with the approval of the Municipality. After reconstruction, a registered land surveyor or engineer shall re-certify that the minimum building opening elevation complies with the standards of this chapter prior to the commencement of framing and or structural steel placement.
(Ord. 2015-01. Passed 1-26-15.)