Name of Work: Maintenance Dredging at Navigation Channel of Mandwa Dist.Raigad 2025-26.
Sl. No.
Item Description
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Maintenance dredging at navigation channel of Mandwa by suitable dredging equipment, to dredge a navigation channel at Mandwa as indicated on hydrographic chart 2280/2023 as Area“A” 640m x 150m, Approx Qty: 1,77,000 Cu.m & Depth to be achieved 3.5m wrt CD & Area“C” 50m x 70m, Approx Qty: 14,000 Cu.m & Depth to be achieved 2.5m wrt CD.At specified area, along with slope of 1:4 & tolerance 0.3m as mentioned in the hydrographic Chart No respectively.The dredger should be capable of dredging all type of soils, silt marine soft / stiff clay loose boulders, pebbles, soft rocks, hard strata etc. The cost should include all lifts and leads conveying and deposition of the same over dumping area located at an average distance of approx. 11.66 N.m (approx 21.61 km one way) in deep sea. Dredged material is to be dumped at dumping area as designated by Mumbai Port Trust (MbPT). The contractor at his own cost should comply with all necessary formalities to obtain permission of dumping from MbPT.This further includes all necessary arrangements of crew, fuel oil, tools, plants, equipment, machinery and labour along with accessories assembling, mobilising & demobilising all plant and equipment required with cost of pre, intermediate (as & when required) and post dredging Hydrographic survey, etc. to the complete satisfaction of the Marine Engineer & Chief Surveyor, MMB.
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