| 2 | De-silting of existing sewer by installation of adequate number of over pumping system, providing and laying temporary rising main from upstream to 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, temporary power connection with stand by Gen-set of sufficient capacity , gas detector , forced air ventilators etc. and provision of safety equipment`s as guidelines lain in IS - 11972 (1987) / international standers , traffic control arrangements and proper lighting at night , barricading , display of sign boards , insurance of work man , cleaning of site , disposal of surplus earth / malba as directed by Engineer In Charge , Removal of all hindrances / obstructions and other unforeseen items. (B) Rehabilitation of existing pipeline by MWSL Structural Lining method including site survey, plugging and flow diversion, cleaning, prelining CCTV, Repair of Defects, prelining measurement, designing, site preparatory work, installation of MWSL Liner, jointing, grouting, Post Lining CCTV and measurement, including dewatering, repair of manholes, testing and commissioning and restoration of roads and surfaces all inclusive as per IndSTT: 203-2022 code of practice for Machine Wound Spiral Lining Technique suiting Indian Conditions. (MWSL)... Please Enable Macros to View BoQ information |
