The work to be performed under this contract consists, in general, the replacement of water and sewer mains ands related appurtenances. Contract work includes abandonment or removal of existing facilities, replacement of new pipelines by both open trench and pipe bursting methods, replacement of water service line and sewer laterals, reconnection to existing pipelines, and doing all other incidental work necessary to complete the projects as shown on the plans and as described in these specifications.