Neither Section 3.36.013 nor 3.36.015 applies to:
(a) An oil well sump constantly and immediately attended while drilling operations are continuously proceeding.
(b) An excavation covered by Sections 24400, 24401, or 24402 of the Health and Safety Code.
(c) An excavation more than one-quarter mile from the nearest highway and within one- half mile of which excavation there are less than twenty residences.
(d) An excavation for the installation of a public utility, if not abandoned.
(e) An excavation in connection with the construction of a private residence, if not abandoned.
(f) A swimming pool, fish pond, or wading pond on the same lot or parcel of land as a private residence.
(g) An excavation not more than one-half mile in length which becomes a portion of a natural watercourse.
(Ord. 186; November 27, 1962)