1. A. Unless otherwise provided by law, all public construction contracts exceeding Fifty Thousand Dollars ($50,000.00) shall be let and awarded to the lowest responsible bidder, by open competitive bidding after solicitation for sealed bids, in accordance with the provisions of the Public Competitive Bidding Act of 1974. No work shall be commenced until a written contract is executed and all required bonds and insurance have been provided by the contractor to the awarding public agency.
2. B. Except as provided in subsection D of this section, public construction contracts less than Fifty Thousand Dollars ($50,000.00) shall be let and awarded to the lowest responsible bidder by receipt of written bids. No work shall be commenced until a written contract is executed and proof of insurance has been provided by the contractor to the awarding public agency.
3. C. Except as provided in subsection D of this section, public construction contracts for less than Two Thousand Five Hundred Dollars ($2,500.00) for minor maintenance or minor repair work may be negotiated with a qualified contractor. No work shall be commenced until a written contract is executed and proof of insurance has been provided by the contractor to the awarding public agency.
4. D. The provisions of this subsection shall apply to public construction for minor maintenance or minor repair work to public school district property. Such public construction contracts for less than Twenty-five Thousand Dollars ($25,000.00) may be negotiated with a qualified contractor. Such public construction contracts equal to or greater than Twenty-five Thousand Dollars ($25,000.00) but less than Fifty Thousand Dollars ($50,000.00) shall be let and awarded to the lowest responsible bidder by receipt of written bids. No work shall be commenced on any such public construction contract until a written contract is executed and proof of insurance has been provided by the contractor to the awarding public agency.

Laws 1974, HB 1665, c. 298, § 3, emerg. eff. August 1, 1974; Amended by Laws 1975, HB 1251, c. 266, § 2, emerg. eff. June 5, 1975; Amended by Laws 2001, SB 181, c. 298, § 2, emerg. eff. May 31, 2001 (superseded document available); Amended by Laws 2006, SB 558, c. 271, § 15, emerg. eff. July 1, 2006 (superseded document available).