At the City's discretion, the cost to the City for
all or a portion of the services necessary to implement this section
shall be paid for by the industrial user. The City's work in planning
for new sewer services or revisions to an existing sewer service will
not be carried out without prior agreement by the industrial user
for payment of the costs, including but not limited to administrative,
engineering, laboratory and legal costs incurred by the City in connection
with work.