Only those tanks that comply with the applicable requirements of this
chapter and that are approved by the authority having jurisdiction shall be
installed for flammable or combustible liquid service. In particular, the
provisions of this chapter shall be permitted to be altered at the discretion
of the authority having jurisdiction after consideration of special features
such as topographical conditions, barricades, walls, nature of occupancies,
and proximity to buildings or adjoining property; height and character of
construction of such buildings, capacity and construction of proposed tanks,
and character of liquids to be stored, degree of private fire protection to
be provided, and the adequacy of facilities of the Fire Department to cope
with fuel oil fires.