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Tender Value
₹4.1 L
EMD Value
₹8,177
Closing Date
17 Jul 2026, 3:00 pmClosed
SDO-I/RRI
OFFICE OF THE DIRECTOR SUB-DIVISION NO- I RIVER RESEARCH INSTITUTE
Assessment of present cross sectional profile with topographical survey of River Sisamara under SE North East Irrigation Circle Alipurduar I block district of Alipurduar to be conducted by River Research Institute
2026_IWD_1031630_1
WBIW/SDO-I/RRI/eNIT-01/2026-27
Open Tender
CIVIL WORKS
Percentage
30 days
Alipurduar
Please refer Tender documents.
7 documents required · 7 mandatory
₹8,177
Yes
10 Jul 2026
10 Jul 2026
22 Jul 2026
10 Jul 2026
17 Jul 2026
10 Jul 2026
This is a percentage-rate BOQ. The schedule below shows estimated quantities and rates. Bidders quote a single percentage above or below the total estimated cost.
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | Construction of permanent Benchmark pillar at defined location w.r.t. G.C.P/G.T.S. Bench Mark (including flying of G.C.P/G.T.S. Bench Mark from nearest available locations up to diiferent locations with the help of high percission instruments like DGPS/RTK/TOTAL STATION etc) as per following specification : Cast-in Situ/Precast RCC made benchmark pillar of size 0.30 m x 0.30 m x 1.5 m (0.60 m above G.L. & buried 0.90 m below & suitable P.C.C base finish) with cement concrete grade of 1:1.5:3 ,4 nos of vertical bars of 10 mm dia & stirrups of 8 mm dia @ 150 mm c/c ,including mild steel fixed plate a top (100 mm x100 mm x6 mm) inserted within concrete, including fixing on P.C.C. base (3ftx3ft) bounded with brick wall all side 300mm thick brick work for 0.6m hieight and inside portion fill up with sand including necessary painting,lettering, colouring as per enclosed drawing as per direction of EIC complete in all respect.
Note: [The rate is inclusive of all charges like all materials, all type carriage upto site, all labours, all concrete related items, painting, lettering etc as applicable to complete to work in all respect but the rate is exclusive of all taxes as applicable.] | 1 | Each | 11,322.1 | ₹11,322.1 |
| 2 | Cutting uprooting and clearing jungles including shrubs, water weeds,bushes, trees, plants, upto 30 cm. girth including removing as directed by Engineer-in-charge | 3,312 | Sqm | 5.96 | ₹19,739.52 |
| 4Detailed topographical & hydrographical survey of various Rivers/Khals/Drainage Channels/ Canals/ Dam/ Reservoirs/ Beels etc using higher precision instruments like DGPS/RTK/TOTAL STATION for land survey, ADCP/ECO-SOUNDER for water body survey etc alongwith total geo-referencing alignment and plotting on google earth/arcGIS based map for taking cross sections, Long section of Drainage Channels/ Khals/Rivers (extending each cross section upto 50 m from toe of country side at both side banks) w.r.t. nearest known G.C.P/G.T.S. Bench Mark,including additional cross sections ( both U/S & D/S) at the points of bridges, regulators, cross drain, inlets, tributaries, branch channels, drains, out channels from pump houses, important structures etc., including additional cross sections at adjacent outfall point of these Drainage Channels/Khals/Rivers into other river for 250 mtr U/S & 250m D/S of that outfall point and showing detailed topography plan of all permanent & temporarily features like roads, canal, bridges, park, culvert, boundary wall, Electric post, transforrner etc. as available within the area, also including preparation of survey plan showing the location of topo point of G.L/Bed level/Berm Level/HFL/LWL/Free-board/Pond/depressions/road etc. with appropriate R.L. and open area/green area/total ground coverage/nature of land for mentioning in the drawing with suitable scale, true north & relavent photographs etc. as per direction & satisfaction of E.I.C. complete in all respect. The cross section interval shall be fixed as & when required as per direction of E.I.C. Raw data ( in specified format as per direction of concerned ) of survey work will also be submitted in time to time during working day. Note: [i)The rate is inclusive of all incidental charges like all type carriage, engagement of manpower & instruments/equipment, Motor boat/Power driven boat with manpower if required, Data processing integrated software etc. as applicable to complete to work in all respect but the rate is exclusive of all taxes] i) Cross-Section Width 250.0 m to 1000.0 m and Cross-section interval of 30m to 120m C/C along river/khal/drainage channel etc. | |||||
| 4.01 | a) Upto 5.00 Km | - | Km | - | - |
| 4.02 | b) 5.00 Km to 10 Km | - | Km | 30,986.8 | - |
| 4.03 | b) 10.00 Km to 20 Km | - | Km | 26,219.6 | - |
| 7 | Submission of report comprising detail drawings, volume calculation of silt deposited (If required) in both soft copy (in .DWG/AutoCAD, Microsoft excel, Pdf & .KMZ/KML format & must be geo-referenced i.e (X-Y-Z) & hard copy (six sets) in the form of index map, topographic site plan,Contour plan,cross sections, long sections etc of Channels/ Khals/Rivers etc showing all important features with min suitable scale ,true north and relevant photographs etc as per direction of E.I.C. complete in all respect. All Survey raw data and total report in the form of soft copy in pen driver (at least 32GB memory) will also be submitted as direction of EIC. | 1 | Each | 26,815.5 | ₹26,815.5 |
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