7-5-2304. Exemptions from competitive bidding requirements. The provisions of 7-5-2301 do not apply to contracts for:

(1) public printing entered into in accordance with the provisions of Title 18, chapter 7, part 4; and

(2) purchases that, in the opinion of the governing body, are made necessary by fire, flood, explosion, storm, earthquake, other elements, epidemic, or riot or insurrection; for the immediate preservation of order or the public health; for the restoration of a condition of usefulness that has been destroyed by accident, wear, tear, or mischief; or for the relief of a stricken community overtaken by calamity.