The City of South Portland annually adjusts approximately 100 manhole castings per year to support the City’s paving program. The manhole castings consist of sanitary, catch basin, and drain manhole types. The City’s paving work will be done between the 3 rdweek of April and the 3 rdweek of November. The unit prices for this bid shall be based on holding these prices based on a three year contract. Also there are no guarantees to the number of manholes per year. Payment will be based on satisfactory acceptance by the City for the actual work completed. The City reserves the right to continue or reject this contract hereafter for years 2 and/or 3. If the City opts to continue or reject the contract for years 2 and/or 3, they will submit to the Contractor written confirmation by February 1 of that