Drainage structure cleaning tool and method

Method of cleaning a drainage structure comprising:

• connecting a drainage structure cleaning tool to a drilling machine, the drainage structure cleaning tool including:
• a rod;
• a cylindrical housing with an outer diameter that can be accommodated within a drainage structure and coupled to the rod by a support;
• and a plurality of cutting implements attached to the rod or an inner surface of the cylindrical housing, wherein a length of at least one of the cutting implements is less than a length of the support, wherein at least one of the cylindrical housing or the cutting implements are operable to rotate about a center axis of the rod;
• inserting the drainage structure cleaning tool in a drainage structure;
• providing water to openings in the rod proximate the cylindrical housing through a fluid channel defined in the rod and in fluid communication with the openings;
• and
• rotating the rod such that at least one of the cylindrical housing or the cutting implements are rotated for loosening or dislodging debris inside the drainage structure.