Central Ground Water Board Tender
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Costs
EMD
₹ 10,29,680Document Cost
₹ 5,000Tender Fee
Refer Documents
Summary
For Construction Of Piezometers 61 Nos In Hard Rock / Bouldary In The Ut Of Laddakhfor Construction Of Piezometers 61 Nos In Hard Rock / Bouldary In The Ut Of Laddakh
Description
Scription for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user
Contact
Tender Id
2023_CGWB_769358_3Tender No
NIET No. 19/2022-23/MMS-ITender Authority
Central Ground Water Board ViewPurchaser Address
-Website
http://eprocure.gov.in
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Documents
BOQ Items
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Supply and installation of ERW casing pipe conforming to latest version of IS: 4270-2001 of diameter and thickness given below
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100 mm (4”) Nominal Bore, thickness 5.4mm
3965
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" Supply and intallation of Stainless Steel 4"(100 mm) dia. x 0.75 mm slot size regular Grade ERW Stainless Steel Cage Type V-wire wound screen as per IS :8110-95 and material specifications as per AISI type 304, Grade SS -304 suitable for water well construction
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Slot opening 1.0 mm (Stainless Steel SS304 Grade)
305
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Supply and shrouding of pea gravel confirming to latest version of IS: 4097-1967
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Particle size range 2.00 mm to 3.35 mm for 1.0 mm and 0.75 mm slot opening
366
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Supply and filling up borehole/ annular space between casing pipe and bore hole wall with local clay, if required
61
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Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc.
61
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Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs
61
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Chemical analysis of water samples for Heavy metals (As, U) in NABL accredited labs and submission of report from NABL lab
61
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Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing
61
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Supply and fitting of well cap as per drawing with Allen Keys. MS Plate size 5 mm embossed & welded with permanent marking of “ CGWB PZ” should be carved with welding on outer surface of casing pipe
61
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Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing
61
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Supply and installation of Display board as per drawing
61
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Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.
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