Tamil Nadu Generation And Distribution Corporation Limited Tender

Conducting Electrical Resistivity imaging as one of the geophysical scanning techique for assesing the water leakage, identifying water saturation in the Earthen embankment and to get a picture of internal resistivity distribution of the dam and thus identifying the zones of water accumulation and wetting, including cost for Electrical Imaging setup with necessary equipments, geophysicists, geophysical operators, surveyors, assisting local labourers, mobilisation & demobilisation of men and hire charges for equipments, boarding & lodging charges for geophysicists, geophysical operators & surveyors, Preparation and submission of Report and interpretation of Electrical Resistivity Imaging indicating the zones of water seepage/ saturation, drawings in CADD or equivalent format with 4 sets of hard copies and soft copies in the form of CD to the fullest satisfaction of the Engineer-in-charge along with recommendations of suitable techniques for strengthening the masonry dam, all leads, lifts, etc. complete.

Conducting Seismic Refraction /Tomography of Longitudinal section between top of dam and inspection gallery as one of the geophysical scanning techique forgivingthe information about nature and thickness of overburden (Alluvium deposits), Surface of bed rock, the depth of weathering zones in the rock mass, location of geological boundaries and identifies faults or weak zones, scale and width and assesing the zones of deterioration in the masonry dam etc., including cost for seismic tomography setup with necessary equipments, geophysicists, geophysical operators, surveyors, assisting local labourers, mobilisation & demobilisation of men and hire charges for equipments, boarding & lodging charges for geophysicists, geophysical operators & surveyors, Preparation and submission of Report and interpretation of Seismic tomography indicating the zones of deterioration, drawings in CADD or equivalent format with 4 sets of hard copies and soft copies in the form of CD to the fullest satisfaction of the Engineer-in-charge along with recommendations of suitable techniques for strengthening the masonry dam, all leads, lifts, etc. complete.

Conducting Seismic tomography of Cross sections between upstream face and downstream face as one of the geophysical scanning techique for assesing the zones of deterioration in the masonry dam, including cost for seismic tomography setup with necessary equipments, geophysicists, geophysical operators, surveyors, assisting local labourers, mobilisation & demobilisation of men and hire charges for equipments, boarding & lodging charges for geophysicists, geophysical operators & surveyors, Preparation and submission of Report and interpretation of Seismic tomography indicating the zones of deterioration, drawings in CADD or equivalent format with 4 sets of hard copies and soft copies in the form of CD to the fullest satisfaction of the Engineer-in-charge along with recommendations of suitable techniques for strengthening the masonry dam, all leads, lifts, etc. complete. (3 Sections in Kadamparai dam and 2 sections in Upper Aliyar dam )