laying of sewerage network including construction of property connections and other related works, condition assessment of existing main trunk in morar river, branch and lateral sewers ( in ghoshipura area and other areas existing on ghoshipura side along the morar river ) connecting to existing main trunk in morar river. preparation of drawings and reports of condition assessment. survey, designs and preparation of drawings for laying of main trunk along morar river bank, branch and leterals sewers ( in ghoshipura area and other areas existing on ghoshipura side along the morar river ) , construction and commissioning of main trunk, branch and leteral sewers as per designs and drawings. dismantling of unfunctional and damaged existing main trunk in morar river including dismanting of exisiting damaged and undersized branch and leteral sewers . the objective of proposed work is to collect sewage directly coming into morar river from ghoshipura area and from the habitations exisiting along the morar river from shahid gate bridge to hurawali on left hand side alsong the ghoshipura side. operation and maintenance of main trunk to be laid under this contract during the defect liability period of one ( 01 ) year