The said commissioners may adopt a common seal of the drainage district and alter the same at pleasure. They may, from time to time, make such bylaws, rules, and regulations, and alter and change the same as they may deem proper, not inconsistent with this chapter and the laws of this state, for the purpose of carrying into effect the object of their incorporation. They shall elect a president from their own number and appoint such other officers, agents, and attorneys, and employ such persons as they may think necessary for the efficient management of their business, and remove them at pleasure. They may do all acts and things not inconsistent with this chapter and with the laws of the state, and proper to effect the purpose and objects of this chapter.

Upon their qualification, the board of commissioners shall prepare plans for the improvement within the district, as prayed for in the petition, and shall procure estimates from a competent engineer or engineers as to the cost thereof. For that purpose, the board of commissioners may employ such engineers and other agents as may be needful, such engineer to give bond in the sum of at least one thousand dollars ($1,000.00), payable to the drainage district and conditioned for the faithful performance of the duties required of the engineer, which bond shall be approved by the board of commissioners, or the president. Said board of commissioners may employ the services of an attorney or a firm of attorneys as may be needed in the prosecution of the work for which the drainage district is organized, may employ such other agents as may be needed, may purchase such material and supplies, and pay for such publications and printing necessary or incidental in the prosecution of the work. Said board of commissioners shall provide for reasonable compensation to the engineer or engineers, attorneys, and other agents, and for the cost of such material, supplies, publications, and printing, and the same shall be taken as a part of the costs of the improvements; or said board of commissioners may borrow money necessary to pay for the services of the engineer or engineers, attorneys, and other agents, and for the cost of such material, supplies, publications, and printing, at a rate of interest not exceeding six per cent, per annum, and may execute a note or notes or other evidences of indebtedness therefor and may renew the same as may be necessary, and the money borrowed for such purposes shall be taken as a part of the costs of the improvements.