All costs and expenses incidental to the installation and connection
of the building sewer shall be borne by the owner. All building sewers
shall be maintained by the owner of the property served.
No person, other than those working for and under the direction
of the Superintendent, shall excavate, construct, install, lay, repair,
alter or remove any building sewer or any appurtenance thereof within
the city if such sewer is connected or discharged or is intended at
some future time to be connected or discharged, directly or indirectly,
into the public sewer until said person has a permit secured by the
owner, or his agent, of the property in question for doing such work.
Any permit may be suspended or terminated by the Superintendent
on written notice to the permittee for violation of the conditions
thereof or for any violation of the requirements of this chapter or
for other reasons in the public interest.