Providing Infrastructural Facility to Fish Landing Center at Trombay in Maharashtra

Item No. 1 Excavation/ Dredging in soft strata such as we soils, slush, sand or silt by mechanical means including use of centrifugal pump for removal of water or by any other approved method, stacking / dispossing off the removed stuff as directed with a lead of 1.00km lead and all lifts etc. complete.(in tidal condition)

Item No. 02:- Bathymetry Survey (Pre-dredging &Post-dredging) by Multibeam Carrying out the underwater bathymetry survey by using multibeam USV (Underwater survey vehicle) along the sea shoreline and in creek to identified the bed profile of sea as specified area in this tender. The point cloud density should be minimum 20 point per square meter, Digital elevation model from the point cloud should be generated for the tidal data

Item No. 3:- Taking trial bores 75 to 100 mm for 53.0 to 88.9 mm core dia over burden ( by diamond drilling machine ) such as soil of all sorts, soft murum,hard murum and boulders and in soft rock including all materials such as casing pipes and accessories oil, grease, steel, rods, and such other materials as required (including conveying the material to site of work) . Preserving the loose sample in glass jar and core sample serially on site of work and conveying the same to HQ of concernring office as directed.a) over burden 0 to 50 meter.

Item No. 4:- Taking trial bores 75 to 100 mm for 53.0 to 88.9 mm core dia in rocks as specified below including all necessary materials such as oil,grease,steel boostan and such other materials as required (including conveying the material to site of work) and Preserving the core sample serially on site of work and conveying the same to HQ of concernring office as directed. Quartzite with diamond drill with Nx Bit 0 to 50 metre

Item No. 5:- Providing and maintaining temparory platform for erecting boring machined in river bed to the depth of standing water 2 m and above and of size 3.50 x 4.00 M by using 20 Nos. of M.S. empty barrels in M.S. frame made of M.S. angle size 50 x 50 x 5 mm with fabrication and over it a jungle wood planks platform of size 3.50 x 4.00 x 0.03 M size including supplying of nylon rope 24 mm dia. for anchoring platform include passage platform and enganging a labour etc. complete. 2 m and Above.

Item No. 6:- Shifting boring plant with all its components and reinstalling the same at the directed place including all its charges etc. complete.

Item No. 7:- Providing tun tappa core boxes of jungle wood of size1.25mx 0.35x 0.15m for preserving core sample with all fixtures and fastening handles including locking arrangment etc . complete.

Item No. 8:- Providing detailed reports of the inspection logging of drilled hole by observing visual description of data as per depth, thickness of layer, type of sample, wash sample, bore recovery type of drill etc. complete.

Item No. 9:- Providing detailed geological reports of proposed site by maintaining geotechnical investigation of structure stratification collecting soil, rock and ground water samples for laboratory tests to arrive the foundation design parameters . Rock properties such as type of rock, jointing fractures, etc. complete with suggestion about the site foundation and remedies.