Specifications include, but are not limited to:. The excavation and related construction equipment to be furnished and the services to be performed by the bidder, consists of providing, on an hourly, as-needed, on-call basis, excavation and related equipment with skilled operators to complete or assist as directed with the installation, repair, replacement, enlargement or abandonment of water mains, water services, fire hydrants, valves, sewer mains, sewer laterals, manholes and related appurtenances for smaller projects and repairs of the water system or sewer system for the purpose of maintaining, adding, repairing, replacing or abandonment of the water distribution system and or sanitary sewer system of the Authority (the “Services”).