Prevention of Groundwater Ingress at Rashtrapati Bhavan Museum, New Delhi through Groundwater Abstraction by Boreholes and Pressure Grouting as Recommended by VNIT Nagpur

as per actual requirement, all complete as per direction of Engineer-in-

Development of tube well as per IS : 2800 (Part I) and IS : 11189 to achieve

maximum water yield with acceptable sand content. Includes using an air

compressor for the required duration, measuring yield (e.g., V-notch),

determining static/drawdown levels via step-drawdown, and collecting

samples for lab testing. Covers disinfection, and all labor/hire charges for

equipment, as directed by the Engineer-in-charge.

Providing and fixing suitable size threaded mild steel cap or spot welded

20 23.13 plate to the top of bore well housing/ casing pipe, removable as per

requirement, all complete for borewell of:

Providing and fixing M.S. clamp of required dia to the top of casing/ housing

23 23.14 pipe of tubewell as per IS: 2800 (part I), including necessary bolts & nuts of

required size complete.

Digitally signed by GOUTAM

S.No. NDSR Item Item Description Unit Rate Qty Amount Remark

Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of

pipe assembly of tubewell as per IS:2800 (part 1

29 Total Civil DSR 6,35,715

30 CPWD reducing factor of 0.973 on DSR 2023 6,18,551

31 Cost Index add 3% 6,37,107

33 Electrical DSR 2025

Wiring for circuit/ submain wiring along with earth wire with the following

35 1.14 sizes of FRLS/HFFR PVC insulated copper conductor, single core cable in

surface/recessed medium class PVC conduit as required.

Supplying & fixing PVC insulated PVC sheathed copper conductor

submersible flat cable ISI Marked in existing metal/ HDPE / PVC/ pipe/ in

bore well/ in sump including fixing the cable to GI/HDPE pipe with suitable

cable tags of following sizes etc. complete as required.

Supplying and laying of following size DWC HDPE pipe ISI marked along

with all accessories like socket, bend, couplers etc. conforming to IS 14930,

Part II complete with fitting and cutting, jointing etc.direct in ground (75 cm

below ground level) including excavation and refilling the trench but

excluding sand cushioning and protective covering etc., complete as

44 Total Electrical DSR 12,02,000

46 Piping & Mechanical Work-NDSR Work

Supply, Installation, Testing and Commissioning of ISI Marked submersible

pump set contain with stainless steel shaft and cast iron/SS body, the pump

shall be designed to prevent over loading and having dynamically balanced

rotating parts etc. the pump capable of delivering following capacities

discharge at suitable head and lowering the pumps in water bodies and

suitable for operation on 230V(+-10%), 1-phase AC supply including

providing required no's of heavy duty M.S clamps made of flat iron and

suitable size top cover made of suitable thick MS sheet including connection,

interconnection ,supports etc. as required. suitable for 50LPM at 30 Mtrs

Head etc. complete as required.

Digitally signed by GOUTAM

S.No. NDSR Item Item Description Unit Rate Qty Amount Remark

Supply, Installation, testing & commissioning of control panel having 63A 4-

Pole MCCB, Ics=100% Icu rating,Ammeter, Voltmeter, phase indicating

lamps, ON, OFF, trip indicating lamps, Al Bus Bar 63A. OUTGOING for 6

nos of submersible pump 10A, MPCB with Indication, push buttons (Start,

Stop), starter, relays, timers Sensors overvoltage, undervoltage, dry run

protection etc.

Supply, Installation, Testing & Commissioning of Rising Main Pipe for

borewell of 32 mm HDPE

Providing, laying and jointing in position of 80mm dia HDPE PN 10.0 main

line pipe conforming to IS: 4984 and suitable for the respecting working

pressure with all fittings complete, including excavation in all kind of soil,

50 NSR-4 refilling, ramming, shoring, removing the excavated surplus material, Meter 298.00 1000.00 2,98,000

providing adequate support to the pipe and making good the same complete

as required. Rate shall include for not be less than 1.0 m below ground level

Supplying, installation, testing & commissioning of 32 mm dia digital flow

meter at the borewell riser.

Supplying, installation, testing & commissioning of 80 mm dia digital flow

meter at the discharge header

Providing and fixing in position industrial type pressure gauges with gun

53 NSR-7 metal / brass valves complete etc. as required of 0 to 6 bar reading as per IS Nos 843.00 5.00 4,215

Supply, Installation, Testing & Commissioning of Air release valve as per

55 NSR-9 Wellhead Chamber RCC 1.2m X 1.2m in M25 Nos 18708.00 5.00 93,540

56 NSR-10 Settling chamber / Silt trap 1.2m X 1.2m in M25 Nos 24944.00 1.00 24,944

Supply, Installation, Testing & Commissioning of piezometer for measuring

57 NSR-11 the water level 0 to 25 meter range, accuracy +/- 0.05% FS or better, Nos 45399.00 5.00 2,26,995

Operating temprature range 0 to 50 'C, Battery life Minimum 10 years

Fixing of NRV at 500mm, 1500mm and 2500mm height at every 2mtr length

throughout the R/Wall/Raft

Inject Cementetitus Grout (Cement with Cebex 100) at a pressure of 20MPa-

59 NSR-13 30MPa for creating barrier beteen Water & R/Wall/Raft Bags 626.00 3000.00 18,78,000

- Avg Consumption of Cement Grout will up to 8 Bags per NRV

60 NSR-14 Avg Consumption of Cebex 100 Grout will be 225gms per Cement Bag Per cement bag 167.00 3000.00 5,01,000

If found not Suitable, the area will be treated by fixing NRV packers at every

61 NSR-15 400mm staggeredly and grouting the same Based on UPV Result per NRV 1240.00 500.00 6,20,000

- UPV <3000m/s: Cement Grout with Cebex 100 followed by Epoxy Grouting

After the Surface is Dried in all respect a coat of Damp proof of approved

brand will be applied.

63 NSR-17 Applying Coarse Putty followed by 2 coat of OBD. sqm 262.00 540.00 1,41,480

64 NSR-18 Pumping charges of cement slurry L/S L.S 536310.00 1.00 5,36,310

Digitally signed by GOUTAM

S.No. NDSR Item Item Description Unit Rate Qty Amount Remark

Providing and carrying out core cutting of 65 mm diameter holes by diamond

core cutting machine through RCC/brick masonry up to the required depth

(maximum 15 m) for installation of 50 mm diameter perforated pipe. The item

includes marking, drilling, removal of core, disposal of debris, cleaning of

holes, all labour, tools, equipment, consumables, and all incidental works

required for the complete job as directed by the Engineer-in-Charge.

Mixing of cementatious grout and inject with grouting pump ie. combined

66 NSR-20 weight of MIxing of cementatious grout I.e combine weight of Cement + Kg 171.00 30000.00 51,30,000

Bentonite + lime + Cebex-100+ Nitobond SBR latex

68 Total NSR Items 1,06,83,352

70 Grand Total 1,25,22,459

70 Grand Total 1,25,22,459

Digitally signed by GOUTAM