NIe-T- 80/2025-26

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Tender Inviting Authority: Executive Engineer / NBDD

Name of Work: Boring of Deep Tube Well by water jet system and Installation submersible pump for the work of "Construction of G+2 storied a newly proposed Coochbehar Press Club Building with S and P works and surrounding portion open drain at Bramhamandir Complex Rajendra Narayan Road under Coochbehar Municipality in the district of Cooch Behar.

Contract No: NBDD/EE/ NIT No: 80/2025-26

Sl. No. Item Description Item Code / Make Quantity Units Estimated Rate Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category

1 Labour for boring tube well of required dia. by water jet system through any type of soil strata including hire and labour charges for boring pipes, scaffolding, tools and plants as necessary and taking out them and lowering pipes, strainers, blind pipe etc. and fitting and fixing the same complete including bucket washing and other incidental works in the connection. The tube well should have a minimum 50 mm gap in between the outside of the tubewell pipe and the bore. (f) For depth more than 150 metre for 50 mm dia. tube well with top enlargement of 100 mm dia. (i) 50 mm dia. boring etc. beyond 150 metre. 1 66 metre Excess(+) 1 Full Conversion INR

2 (ii) 100 mm dia. boring etc. top enlargement 2 36 metre Excess(+) 1 Full Conversion INR

3 Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). (A) PVC Pipes (dia) (ii) 50 mm dia. (internal) 3 54 MTR Excess(+) 1 Full Conversion INR

4 (i)100 mm dia. (internal) 4 36 MTR Excess(+) 1 Full Conversion INR

5 Supplying G.I. pipe strainer with brass net & jacketted of approved quality. (Heavy Type). 50 mm dia. 5 12 MTR Excess(+) 1 Full Conversion INR

6 Supplying M.S. male / female adopter of approved make and brand for coupling of M.S. pipe and fibre glass strainers, as per direction of the Engineer - in - Charge. (i)100 mm 6 12 metre Excess(+) 1 Full Conversion INR

7 Supplying, fitting and fixing popular Maya pump no-6 or similar (ii) Domestic Pump of approved make of 40/50 mm dia. 7 1 Each Excess(+) 1 Full Conversion INR

8 Supplying, fitting and fixing heavy type bell mouth reducing socket. (i) 50 mm X 100 mm 8 1 each Excess(+) 1 Full Conversion INR

9 Labour for jointing and lowering G.I. or ERW MS pipes including strainer within the tube well bore vertically with necessary sockets, special fittings and welding as required including cost of all jointing materials, hire charges of tools and plants, cutting pipes to required sizes, making threads, welding pieces together etc. as necessary as per direction of the Engineer-in-charge. Upto 100 mm dia. pipe 9 99 MTR Excess(+) 1 Full Conversion INR

10 Washing and developing tube well with air compressor pump and engine for 8 (eight) hours continuous pumping per day with necessary arrangements for testing the yield in gallons per hour with 'V' notch including hire and labour charges for all tools and plants and scaffolding as required. 10 2 DAY Excess(+) 1 Full Conversion INR

11 Packing the annular space between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved quality having size from 2 mm to 5 mm or the size approved by the Engineer-incharge including cost of all materials labour and equipment complete. 11 2 CU. M Excess(+) 1 Full Conversion INR

12 Supply, fitting, fixing and lowering the following with fabrication as required: (a)80 mm dia bottom cap. 12 1 NOS Excess(+) 1 Full Conversion INR

13 Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). (L) Reducing Socket (100 mm X 50 mm) 13 1 each Excess(+) 1 Full Conversion INR

14 (J) Threaded End Cap ©100 mm dia M.S. Top cap with hole. 14 1 each Excess(+) 1 Full Conversion INR

15 Supplying, fitting and fixing 300 mm M.S. housing clamp of approved quality. S & F suitable size of M.S. Flat clamp for holding the column pipe, pump motor in the tube well with necessary nuts, bolts, washer as per direction of EIC. 15 4 pcs Excess(+) 1 Full Conversion INR

16 Labour for making arrangement for showing verticality test including the cost for hire charges of tools and plants, scafolding, labour etc. all complete. 16 1 L.S Excess(+) 1 Full Conversion INR

17 Packing the annular space between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved quality having size from 2 mm to 5 mm or the size approved by the Engineer-incharge including cost of all materials labour and equipment complete. Note: Initial 6 m. of Annular space between the housing pipe and the bore should not be shrouded with Pea size gravel to avoid contamination with surface water. 17 3 CU. M Excess(+) 1 Full Conversion INR

18 Packing annular space between the outside of the housing pipe and the bore with puddled clay balls of approved size as per direction of the Engineer-in-charge with cost of all materials and labour complete. 18 8 CU. M Excess(+) 1 Full Conversion INR

19 Geophysical investigation of the acquifer by electrologging system with all tools and plants as necessary including supply of necessary report. 19 1 Each Test Excess(+) 1 Full Conversion INR

20 Supplying, fitting and fixing in position G.I. pipes of TATA make for underground works with all necessary accessories,specials viz.socket, bend, tee, union, cross, elbow, nipple, short piece etc.including cost of all materials,jointing materials ,cutting pipes,making threads,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed with two coats of painting on G.I. pipes and specials with bituminous paint complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.Payment for painting will be made seperately) (vi) 50 mm dia. medium quality 20 50 Mtr Excess(+) 1 Full Conversion INR

21 Supply of G.I. bend. (vii) 50 mm 21 1 Each. Excess(+) 1 Full Conversion INR

22 Providing, Installation, Testing and Commissioning of NRV of 50 mm dia conforming to IS:5312 complete with rubber gasket GI bolts nuts and washer etc as required. 50 mm dia 22 1 Set Excess(+) 1 Full Conversion INR

23 Water sample collection and chemical test including Arsenic Test. 23 1 LS Excess(+) 1 Full Conversion INR

24 Supply and delivery of Bentonite Powder conforming to IS 6186 :1986 24 1 MT Excess(+) 1 Full Conversion INR

25 Supply and delivery or clear water vertical wet type submersible pump suitable for bore well conforming to IS : 8034 ( and as amended thereafter ) with standard MOC for potable clear cold water and BEE 3 Star Rated capable of dischargirg noted M3/hr against head of water column. The pump shall be directly coupled with a contineous rated 2- pole Suitable wet type vertical squirel cage induction motor conforming to IS : 9283 ( and as amended hereafter ), suitable for (and as amended t, operation in AC Three phases 415 V, Sd[Z(category B motor) 25 1 set Excess(+) 1 Full Conversion INR

26 Labour charges for lowering the submersible pump set, column pipes with necessary accessories including fitting & fixing the same in the tubewell including proper electrical connection with generator all complete as per direction of Engineer-in-charge and also withdrawal of the same after completion of the test. 26 1 Each Site Excess(+) 1 Full Conversion INR

27 Supply, installation, testing & commissioning of Outdoor type dust and vermin proof powder painted Sub Panel board having fixed with front side double door with railway type locking arrangement suitable 415V 3 phase, 4 wire 50 Hz AC supply made out of 2 mm thick MS sheet so as to accommodate the following mountings complete with bus bar of 315 Amp capacity & channel base at the bottom connection & interconnection by copper wire & strip along with necessary nuts & bolts complete as reqd. (Make-Havells/Siemens/ABB make). a) 63A 415 Volt TPN SFU with HRC FUSE-1 no b)63A Capacity 415 Volt 4 bar AL busbar of bars size 50mmX10mmX1mtr c) 32A 415 Volt TPN SFU with 3 nos HRC FUSE-1 no d) pump Starter-1 no. e )32A 250 Volt DP MCB - 3 nos f) 0-150 Amp Digital Ammeter-1 no g)250/5 A CT-3 nos h) 0-500 digital Voltmer-1no i) LED Indicating Lamp-3 nos J)Caution board-1 no 27 1 Set Excess(+) 1 Full Conversion INR

28 S & F 20 mm dia G.I. Pipe (Jindal-M) for protection of cable. 28 30 Mtr. Excess(+) 1 Full Conversion INR

29 Supply of 1.1 KV grade 4 core 16 sqmm PVC/A cable 29 50 Mtr. Excess(+) 1 Full Conversion INR

30 laying 1.1 KV grade 4 core 16 sqmm PVC/A cable mainly in U.G. With proper brick protection including earthing attachment as per G.S. 30 50 Mtr. Excess(+) 1 Full Conversion INR

31 S & F compression type cable gland suitable for 4 core 16 sqmm PVC/A cable. 31 2 Nos. Excess(+) 1 Full Conversion INR

32 Finishing the cable ends by crimping method for 4x16 sqmm PVC/A cable. 32 2 Nos. Excess(+) 1 Full Conversion INR

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