The work shall consist of the Contractor furnishing all equipment, materials, labor, supplies and supervision necessary for the removal of accumulated dirt, refuse and other debris from each Catch Basin, gutter mouth of the curb inlets and transportation of the materials removed. The work shall also include the reporting requirements as described in Section 7. During the operation, care should be taken by the Contractor not to damage grate, frame, Catch Basin, pipe or curbing. If damage is caused by the negligence of the Contractor the damaged parts shall be satisfactorily repaired or replaced at their own expense. Replacements shall be provided to the contractor by the Town of Holden. No cover shall be removed until immediately preceding cleaning. No uncovered Catch Basin shall be left unattended at any time. Covers shall be replaced immediately after cleaning.