The Home Rule Charter, Article Seven, Section 7.01(a), stipulates
a threshold of $10,000 for competitive bidding of contracted services.
Written or telephonic price quotations from at least three qualified
and responsible contractors must be requested for contracts less than
the base amount of $10,000. A memorandum must be kept on file when
fewer than three qualified contractors exist in the market area within
which it is practicable to obtain quotations. A written record of
telephonic price quotations must be made and must contain at least
the date of the quotation, the name of the contractor and the contractor's
representative, the construction, reconstruction, repair, maintenance
or work that was the subject of the quotation and the price. Written
price quotations, written records of telephonic price quotations and
memoranda must be retained for a period of three years. Written price
quotations as used throughout this section include electronic mail.