The grand jury at each term of the district court, shall make personal inspection of the condition of the county prison, as to the sufficiency of the same for the safekeeping of prisoners, their convenient accommodation and health, and shall inquire into the manner in which the same has been kept since the last term, and the court shall give this duty in special charge to such grand jury, and lay before them all rules and regulations in force relating to county jails and prison discipline; and it shall be imperative upon the board of county commissioners to issue the necessary orders, or cause to be made the necessary repairs, in accordance with the complaint or recommendation of the grand jury.
R.L. 1910, § 4597.