The purchase of all supplies, equipment, and materials, and the construction of facilities and works, when the expenditure required exceeds ten thousand dollars ($10,000), or any single purchase of fuels exceeding fifteen thousand dollars ($15,000), shall be by contract let to the lowest responsible bidder. Notice requesting bids shall be published at least once in a newspaper of general circulation, which publication shall be made at least 10 days before bids are received. The board may reject any and all bids and readvertise in its discretion. When the expected procurement required exceeds one thousand dollars ($1,000), the board shall seek a minimum of three quotations, either written or oral, which permit prices and other terms to be compared.
