Strengthening/ Rehabilitati...

[21.112.12]Strengthening / Rehabilitation of existing sewer system by Machine Wound Spiral Lining (MWSL) technology including site survey, De-silting by mechanical means, provision of pumping and bypass arrangements, disposal of silt/debris, supply of all materials, labour, TandP, temporary power with DG sets, safety provisions (gas detectors, ventilators etc.), traffic control, barricading, lighting, insurance, site clearance and disposal of malba: designing, manufacturing, supplying and installation of solution of MWSL structural lines, dewatering, cleaning, surface preparation, repair of sewer and brickwork, stabilization, maintenance of gradient, grouting, repair/raising/construction of manholes with PVC coated CI covers, removal of obstructions, pre and post lining CCTV inspection, testing and commissioning, restoration of roads/surfaces, complete in all respects as per IS 11972:1987, IndSTT: 203-2022, suiting indian conditions and directions of Engineer-in-Charge. 12. 2050-2250 mm [Through Rate]