80983 Consultancy Service Chouldhari Port Blair

Amount

Phase-I

Geophysical Survey of the complete dam and complete catchment area as directed by Engineer-in-Charge.

DRILLING OF BOREHOLES- HX size in soil, 03 No. of maximum depth 25m from dam crest and 02 nos 15m each from downstream berm to foundation level, including collection of undisturbed soil @every 5m interval and SPT@every 3m interval complete all as specified.

LAB TEST ON UDS COLLECTED FROM ITEM NO 2 ABOVE INCLUDING FOLLOWING TEST

Bulk density

Natural moisture content

Triaxial Shear strength (CU)

Direct shear test (CU)

Permeability test

Phase-II

SUPPLY AND INSTALLATION, TESTING AND CALIBRATION OF INSTRUMENTS AS DIRECTED BY ENGINEER-IN-CHARGE

Electronic water level recorder

Automatic water level recorder - Volumue calculation

Automatic V-Notch for Spillway

Automatic V-Notch for Dam toe seepage

Supply of Inclinometer System-in-place inclinometer

PVC inclinometer Casing, perforated pipes and couplers of suitable size and capacity, wrapped with brass mesh complete with all accessories and lockable cap all as directed by Engineer-in-Charge

Data Logger - DR85G + CEM-20 + Solar Panel

Strong Motion Accelerograph - To Measure Vibrations

Automatic Rain Gauge

Vibrating wire PWP Sensores

Supply and laying multi stranded copper 4 core cable of 1100V

Supply and laying multi stranded copper 20 core cable of 1100V

Supply and laying multi stranded copper 12 core cable 1100V

Junction Box

SUPPLY AND INSTALLATION, TESTING AND CALIBRATION OF INSTRUMENT FOR VERTICAL MOVEMENT ASSESSMENT AS DIRECTED BY ENGINEER-IN-CHARGE

Robotic Electronic Total Station

Prism Targets

Deputation of Engineer for monitoring of water level during study

Phase-III

Hydrographic Survey bed profiling by echo sounder boat of complete dam area including catchment area all as directed by Engineer-in-Charge

SLOPE STABILITY ANALYSIS FOR EXISTING DAM

2D Seepage analysis of Dam as per structure

2D Stability analysis of dam as per structure

HEALTH ASSESSMENT OF RCC SPILLWAY STRUCTURE

Rebound hammer

Ultrasonic pulse velocity

Cover meter test

Corrosion potential

Carbonation test

Core extraction

Compressive strength of cores

Phase-IV

Preparation of comprehensive report on health evalution of dam and spillway

Feasibility and DPR for capacity augmentation

Preparation of Tender documents for execution

Lidar survey and DTM preparation as directed by Engineer-in-Charge

Mobilization/ Demobilization of Man and equipment required for various tests as specified and as per requirement and as assessed by Engineer-in-Charge. Note:- Rate quoted by the tenderer shall be deemed to be inclusive cost of Mbbilisation/ Demobilization of manpower & equipment for various test required on site assessed by Engineer-in-Charge. No claim whatsoever in theis regard shall be entertained at the later stage of work.

Note:- Rates quoted by the tenderers shall deemed to be inclusive of cost of vetting of test reports & DPR by IIT. No claim whatsoever in this regard shall be enterrained at the later stage of work.

Six Sigma Engineering Enterprises (BID ID -3079661)