West Bengal Zoo Authority Tender
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The WBZA has issued a formal invitation for competitive bids for the West Bengal Zoo Authority project, for Sinking Of Deep Bore Well ( 250 Mm X 150 Mm ) Dia P.v.c Pipe With Submersible Pump At Begumbari Staff Quarter Back Side Of Zoological Garden, Alipore, Kolkata in Kolkata, West Bengal, with an estimated contract value of Rs. 7,93,350. The bid opening date for this tender is 11-04-2025 and the last date for bid submission is 19-04-2025. Interested bidders for West Bengal Zoo Authority tender can download the important documents here to check the scope of work, eligibility criteria and technical requirements.
West Bengal Zoo Authority - WBZA Tender
Opening Date11 Apr 2025
Closing Date19 Apr 2025
Tender Amount₹ 7,93,350
Costs
EMD
₹ 15,867Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2025_WBZA_835230_1Bid Award Id
ViewTender No
23/ZGA/E-Tender/2025Tender Authority
West Bengal Zoo Authority ViewPurchaser Address
-Website
http://https://wbtenders.gov.in/
GEM & Bid Advisory Services
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BOQ Items
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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 200 mm
30
2134
64020
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(iv) Rest 100 metre
100
1091
109100
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Supplying, fitting and fixing 300 mm M.S. housing clamp of approved quality.
1
2235
2235
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100 mm
210
874
183540
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Supplying, fitting and fixing Peet's valve fullway gunmetal standard pattern best quality of approved brand bearing I.S.I. marking with fittings (tested to 21 kg per sq. cm.).
(iii) 65 mm dia
1
3949
3949
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(A) Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)
(B) Do - by fine sand
4.24
1317
5589.94
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50 mm
60
282
16920
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Add @ 1 % For labour welfare cess
1
7855
7855
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Collecting sample of water for bacteriological and chemical test from any depth at any time during execution of work including hire and labour charges for tools and plants and sterilising the equipments, paying all charges and fees, testing etc. complete in all respect as per direction.
3
1231
3693
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(ii) Next 50 metre
50
883
44150
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Supplying, fitting and fixing heavy type bell mouth reducing socket (i) 50 mm X 100 mm
1
455
455
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(iii) Next 50 metre
50
1055
52750
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Supplying PVC strainer of approved make with adapter conforming to I.S.12818 specifications. (iv) 100 mm dia
10
678
6780
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Supplying, fitting and fixing steel cutter piece upto 450 mm long with sockets (iii) 75 mm dia
1
403
403
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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) (vii) 65 mm dia. medium quality
30
555
16666.5
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Labour for boring through any type of soil for sinking tube well of required dia. with top enlargement by rig boring system (either by reserve circulation or by direct rotary method) including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and lowering of pipes, strainers, blind pipes etc. complete. (a) For depth upto 250 metre for 100 mm dia. Tube well with top enlargement of 200 mm dia.(upto 50 metre).
(i) First 50 metre
50
1014
50700
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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
5.36
2029
10871.38
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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.
2
7538
15076
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Geophysical investigation of the acquifer by electrologging system with all tools and plants as necessary including supply of necessary report.
1
8247
8247
Evaluation Notes How It Works ?
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North 24 Parganas, West Bengal