Providing Comprehensive Engineering Services for River Rejuvenation Works of Rel River, Ta:- Dhanera, Dist:- B.K. [Reinvited]

BILL OF QUANTITY

Providing Comprehensive Engineering Services for River Rejuvenation Works of Rel River, Taluka Dhanera,

District Banaskantha, Gujarat

It. Description of Item (with brief specification

Quantity Unit Rate in Rs. Amount in Rs.

No. and reference to book of specifications)

1 Establishment of control points at every 1 km 40.00 km 2000.00

interval along both banks of the river using Total

Station/DGPS or other advanced surveying

instruments/techniques, including collection of

necessary hydrological and flood-related data

(HFL, past flood marks, afflux data, channel

geometry, etc.) for hydrological/hydraulic model

calibration, establishment of temporary and

permanent benchmarks connected to

GTS/authorized datum, and all other allied

survey activities — complete, as directed by the

Engineer-in-Charge.

2 Conducting topographical and contour survey on 2000.00 Ha. 1100.00

10 m x 10 m grid with 0.5 m contour interval, and

L/S & C/S survey of canals/drains @ 30 m

interval (or as required), using Total

Station/DGPS and suitable levelling instruments,

including chaining, ranging, levelling, and

connection to benchmarks. Scope includes

plotting of existing and designed features/cross-

sections, centre lines and bank lines,

superimposition on village map showing

river/drain crossings like roads, railways,

structures and habitations, and preparation of

DEM/DSM raster dataset (1m/processed

resolution) for hydrological/hydraulic modelling,

GIS-based flood risk mapping, and decision

support applications. Submission of digitized

drawings, survey drawings, and geospatial

datasets in Hard Copy and Soft Copy, complete

as directed by the Engineer-in-Charge.

3 Carrying out Sub Soil investigation for Soil 260.00 Rmt. 8221.50

Bearing Capacity test with machine drilling of

bore holes at specified location including

collection of samples, laboratory testing,

submitting report including transport and others

as directed. (Including transportation

charge+water charge.)

Schedule-B Bill of Quantity

It. Description of Item (with brief specification

Quantity Unit Rate in Rs. Amount in Rs.

No. and reference to book of specifications)

4 Preparing detailed hydraulic studies for 1.00 Nos. 500000.00

estimation of river/drain discharge and

establishment of HFL throughout the river,

including development of hydrological model

(SWAT or equivalent) and 1D/2D

hydraulic/hydrodynamic model (HEC-RAS or

equivalent) with flow and boundary condition

data, computation of 25-year and 100-year return

flood lines with precise input of C/S, L/S and flow

obstructions, preparation of flood inundation

maps, recalculation as required, and approval

from the competent authority. Scope includes

feasibility-level assessment of alternative flood

protection works and artificial banking designed

to withstand design return-period floods

considering climate change projections, as per

NWRWS&K Department guidelines, codal

provisions and applicable norms, and obtaining

CDO approval; providing computerised river

alignment drawings with 0.5 m contours marking

flood lines and locations of bridges, weirs and

permanent structures; and preparation of detailed

estimates as per prevailing S.O.R. for works

related to the River Rejuvenation works, along

with Detailed Project Report incorporating

technical, environmental and social due

diligence. Submission in Soft Copy and 4 Hard

Copies (colour print for drawings), complete as

directed by the Engineer-in-Charge.

Total Amount Rs.

Total Amount Rs.

Executive Engineer

Deesa Irrigation Division

Schedule-B Bill of Quantity