sin/Drain Cleaning Methods • Each catch basin is to be thoroughly cleaned of sand, silt, and debris from the lower portion of the basin (i.e., basin sump). The CONTRACTOR shall utilize a clamshell bucket truck, at the discretion of the City, to perform the catch basin cleaning. Jetting, rodding, or hand labor may be required to loosen debris materials to assure complete and satisfactory removal. The CONTRACTOR is to remove the basin grate, thoroughly clean the catch basin, and reset the grate prior to leaving the basin. • The CONTRACTOR shall notify the City of any broken grates or frames, undermined basins, unmapped basins, plugged or broken pipe connections, or any suspicious pipe inlets observed during the cleaning operations. • During the operation, care shall be taken by the CONTRACTOR not to damage the grate, frame, hood, catch basin, pipe, or curbing. If damage is caused by the negligence of the CONTRACTOR, the damaged parts shall be satisfactory repaired or replaced at the CONTRACTOR’s expense...
