If any number of laborers, or any person thereof, having their fields above on such acequias, and having reached them, shall pretend from any cause or causes, reason or pretext, to abandon their co-laborers, he or they shall not be permitted to leave said work of the laborers in common until the completion of the cleansing of the said acequia so commenced to be worked: provided, that touching the repairs and excavations to be made to said acequias, the proportion of the people, or the number of laborers for such purpose shall be furnished by the owners, and it shall be the duty of the mayordomos to superintendent [superintend] such work, and as provided in section 5754 [73-2-21 N.M. Stat. Ann.]: provided, further, that if in any acequias already constructed there shall be included any dikes or dams which may have been destroyed, and the parties interested therein shall have entered into any agreement or contract with the owners to work said acequia, then they shall so remain and fulfill their engagements.