Every park district shall, from the time of its organization, be a body corporate and politic by the name set forth in the petition for its organization, the specific name set forth in this Code, or the name it may adopt under Section 8-9 and shall have and exercise the following powers:
(c) To acquire by gift, legacy or purchase any personal property necessary for its corporate purposes provided that all contracts for supplies, materials or work involving an expenditure in excess of $30,000 , or a lower amount if required by board policy, shall be let to the lowest responsible bidder after due advertisement. No district shall be required to accept a bid that does not meet the district's established specifications, terms of delivery, quality, and serviceability requirements. Contracts which, by their nature, are not adapted to award by competitive bidding, such as contracts for the services of individuals possessing a high degree of professional skill where the ability or fitness of the individual plays an important part, contracts for the printing of finance committee reports and departmental reports, contracts for the printing or engraving of bonds, tax warrants and other evidences of indebtedness, contracts for utility services such as water, light, heat, telephone or telegraph, contracts for fuel (such as diesel, gasoline, oil, aviation, or propane), lubricants, or other petroleum products, contracts for the use, purchase, delivery, movement, or installation of data processing equipment, software, or services and telecommunications and interconnect equipment, software, or services, contracts for duplicating machines and supplies, contracts for goods or services procured from another governmental agency, purchases of equipment previously owned by some entity other than the district itself, and contracts for the purchase of magazines, books, periodicals, pamphlets and reports are not subject to competitive bidding. Contracts for emergency expenditures are also exempt from competitive bidding when the emergency expenditure is approved by 3/4 of the members of the board. All competitive bids for contracts involving an expenditure in excess of $30,000 , or a lower amount if required by board policy, must be sealed by the bidder and must be opened by a member or employee of the park board at a public bid opening at which the contents of the bids must be announced. Each bidder must receive at least 3 days notice of the time and place of the bid opening.
For purposes of this subsection, "due advertisement" includes, but is not limited to, at least one public notice at least 10 days before the bid date in a newspaper published in the district or, if no newspaper is published in the district, in a newspaper of general circulation in the area of the district.