The provisions relative to competitive bidding set forth in chapter 28, title 67, Idaho Code, apply to all irrigation districts of the state of Idaho, but shall be subject to the provisions of any specific statute pertaining to the letting of any contract, purchase or acquisition of any commodity or thing by soliciting and receiving competitive bids therefor, and shall not be construed as modifying or amending the provisions of any such statute, nor preventing the irrigation district from doing any work by its own employees.
Idaho Code § 43-901