Public Health Engineering Department Tender

Non Schedule Items

(A) Desilting of existing sewer by installation of adequate number of over – pumping system, prov. And laying temporary rising main from upstream sides of working length for the smooth flow/ bye-pass of the sewerage system to avoid flood in the adjoining area, desilting of sewer line with mechanical device like Super Sucker Machine, taking out rubbish debris, silt etc. including leak proof stacking arrangement as per technical specification and its safe disposal with in municipal limits as directed by the Engineer in Charge. Scope of work includes supply of all material, labour, tools and plants, making diversion of traffic during execution, repair/ renovation of existing sewer manhole, repair of existing damaged sewer line, temporary power connection with stand by generator set of sufficient capacity, Gas Detector, Forced Air Ventilators etc. and provision of safety equipment’s as guidelines laid in IS - 11972 (1987)/ international standards, Traffic Control Arrangements and proper lighting at night, barricading, display of sign boards, insurance of work men, cleaning of site, disposal of surplus earth/ Malba as directed by Engineer-in-Charge, Removal of all hindrances/obstructions and other unforeseen items. (B) Designing, manufacture of suitable type of liner (CIPP liner) and its installation, dewatering , washing with clear water/ suitable chemical, preparation of surface including dismantling of plaster wherever required, repair of brick work including stabilizations of earth near alignment of existing sewer where repairing work to be carried out as required as per site condition wherever necessary as per standard specification. Grouting with adequate pressure including raising of Manholes along with PVC footrest as per relevant ISI Specification inclusive of supply of material, labour, tools and plants and after completion repair/ strengthening of existing sewer line, the inspection should be carried out through CCTV ( Camera) by the agency to the satisfaction of Engineer in charge 900 mm x 1360 mm