This chapter shall not apply to grade or topography alterations:
(a) Made pursuant to a previously issued building permit, when the change or alteration is set forth in the plans submitted with the application for said permit.
(b) Made pursuant to a previously approved subdivision plat when the change or alteration is shown in the plans filed and approved in conjunction with said plat.
(c) Made upon a single family residential lot on which there exists a dwelling house when:
(1) The change in grade or topography is solely for the purpose of landscaping, and
(2) The change in grade or topography does not change, increase, alter or restrict the existing surface water drainage from or to adjacent lands.
(Ord. 10-O-91. Passed 10-5-10.)