WAPCOS Limited Tender
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Costs
EMD
₹ 83,571Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Drilling, Construction, Pumping Test Of Exploratory Wells/ Observation Wells In Hard Rock Area Of Kerala
Description
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Contact
Tender Id
2020_WAPCO_59471_2Bid Award Id
ViewTender No
WAP/GWRDM/KERALA/EXP/2020-21Tender Authority
WAPCOS Limited ViewPurchaser Address
-Website
http://http://www.wapcos.gov.in/
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Documents
DRILLING, CONSTRUCTION, PUMPING TEST OF EXPLORATORY WELLS/ OBSERVATION WELLS IN HARD ROCK AREA OF KERALA
BOQ Items
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Drilling by DTH method using appropriate sizes of button bits so as to reach targetted depth with diameter of hole not less than 165 mm at 100 m depth and final diameter not less than 152 mm at hole bottom including sample collection and preperation of litholog
2200
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Caliper Logging, submission of logging graph, report
12
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Pumping Test incuding prepumping for 8 hours and recuperation for 24 hours, SDT (3 steps), APT for 1000 minutes and 90% or full recovery) and collection of 4 nos. water sample adopting standard procedure for basic parameter and heavy metals in 1 litre good quality HDPE bottle
3
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Preliminary yield test collection of 2 nos. water samples adopting standard procedure for basic parameter and heavy metals in 1 litre good quality HDPE bottle and submission of analysis report with data
12
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Slug test and subission of report with data
6
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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 and submission from NABL lab
12
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Chemical analysis of water samples for Heavy metals Cr, Co, Ni, Cadmium, Lead, in NABL accredited labs and submission from NABL lab
12
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Construction of cement concrete platform 0.70 x 0.70 x 0.60 m ( 0.30 m above ground level) using concrete mix of 1:2:4 around the housing pipe welded mnimu 6 nos. anchoring plate as per drawing
12
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Supply and fitting of well cap as per drawing. MS Plate size 5mm to 10mm embossed & welded with permanent marking of "CGWB EW" For Exploratory Wells & "CGWB OW" for Observation Wells should be carved with welding on outer surface of casing pipe 0.5mtrs.
12
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Supply and installation of protection box made of GI sheet of 3.15mm thickness along with Brass lock (7 lever hardened) and three keys for each lock as per drawing
12
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Supply and installation of display board as per drawing
12
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Preparation and submission of basic data report per site (includes EW and OW) in triplicate along with logging graphs, data sheets, analysis sheet, logging graphs, chemical analysis report from NABL lab, photographs/ videos of activities of drilling, assembly lowering, pumping test, pumping test, V- notch discharge at various depth of drilling, pumping test with well discharge, copressor development, water sample collection, well site with display board well cap, protection box. The soft copy should be submitted.
12
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Drilling & Construction of Observation Well
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Drilling of overburden by rock roller/ drag/ button bit to accommodate
casing pipe including sample collection, preparation and submission of litholog, measurement of discharge through V-notch at various stages (depth) of drilling, collection of water sample for each aquifer formation/ fracture zone encountered adopting standard procedure in 1 litre good quality HDPE bottle
79
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Supply and installation of ERW casing of 175 mm (7") Nominal Bore with 5.4 mm thickness pipe conforming to Table 3 of latest
version of IS: 4270-2001
79
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Drilling by DTH method using appropriate sizes of button bits so as to reach targetted depth with diameter of hole not less than 165 mm at 100 m depth and final diameter not less than 152 mm at hole bottom including sample collection and preperation of litholog
550
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-
... More
Caliper Logging, submission of logging graph, report
3
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-
... More
Construction of cement concrete platform 0.70 x 0.70 x 0.60 m ( 0.30 m above ground level) using concrete mix of 1:2:4 around the housing pipe welded mnimu 6 nos. anchoring plate as per drawing
3
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-
... More
Supply and fitting of well cap as per drawing. MS Plate size 5mm to 10mm embossed & welded with permanent marking of "CGWB EW" For Exploratory Wells & "CGWB OW" for Observation Wells should be carved with welding on outer surface of casing pipe 0.5mtrs.
3
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-
... More
Supply and installation of protection box made of GI sheet of 3.15mm thickness along with Brass lock (7 lever hardened) and three keys for each lock as per drawing
3
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-
... More
Supply and installation of display board as per drawing
3
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