Geophysical and Geotechnical Investigation of Dantiwada Earthen Dam Ch.9500ft to Ch.12500ft with Core Drilling, Soil Testing, Data Collection and Providing the Details Investigation report with remedies and solutions of DRP.

specification and reference to book of Quantity Unit Rate in Rs. Amount in Rs.

specifications)

1 Geophysical surveys shall be conducted 1.00 Job 17550000.00

using appropriate non- destructive

subsurface investigation methods to

evaluate subsurface conditions

influencing seepage and leakage.

Surveys shall be executed along

longitudinal and transverse sections of

the bund at suitable intervals and critical

locations to capture variations in

subsurface characteristics and potential

seepage pathways.

(a) Data Acquisition and Quality Control

Systematic acquisition of geophysical

data following established field

procedures Ensuring adequate spatial

coverage and data density along the

bund length Field-level validation and

consistency checks to ensure reliability

of datasets

(b) Data Processing and Interpretation

Processing of acquired data using

standard processing and inversion

techniques

Preparation of subsurface models

representing variation in geophysical

parameters

Correlation of interpreted results with

available dam layout drawings,

construction details, and site

observations

(c) Mapping and Deliverables &

Reporting and Recommendations

Preparation and submission

of:Longitudinal geophysical sections

along the bund alignment Transverse

Seepage/leakage susceptibility maps

Critical location maps with chainage-

wise identification of vulnerable zones

Schedule-B Bill of Quantity.xlsx

Description of Item (with brief

specification and reference to book of Quantity Unit Rate in Rs. Amount in Rs.

specifications)

2 Soft Strata ,Hard Strata Driiling from 0 to 1125.00 Meter 6000.00

25 Mtr carrired out by NX Size Bit with

Diamond drilling machine ,the drilling

should be actual core recovery hence

the double tube core must required on

the drill to know the cracks, fracture and

fissures.hence the rates include all

accessories required for the soil test .

3 Core Boxes for collecting the Soil core 45.00 Nos 750.00

for soil testing purpose

4 Soil testing works with Transportation of 45.00 Nos 5500.00

Core Boxes and Reports

Total Amount Rs.

Total Amount Rs.

Executive Engineer

Deesa Irrigation Division

Schedule-B Bill of Quantity.xlsx