Work For Hydrogeological Studies Involving Pumping Test At Borda Ug Mine Area.
Tender Value
42.46 Lakhs
Estimated cost
Bid Submission
13 Nov 2021
0 days left
EMD
Ref. Documents
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Borda UG Mine Area → Maharashtra
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Work For Hydrogeological Studies Involving Pumping Test At Borda Ug Mine Area.
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 09-Nov-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 13-Nov-2021 |
BOQ
| Sl. No. | Item Description |
| 1 | Item Description/ Heading |
| 2 | Preparatory work for carrying out drilling work including surface dressing, making channels including Mobilization and demobilization. |
| 3 | i. Drilling of 2 nos. of Borehole (2 Pumping wells) with 350 mm diameter by Rotary Drilling Method. (114+186) = 300 m |
| 4 | ii. Drilling of 2 nos. of Borehole (2 Observation wells) with 250 mm diameter by Rotary Drilling Method (114 + 186= 165 m). [Pumping Well No. BUG – 1(PW):114 m depth, 350 mm dia.Observation Well No. BUG – 1(OW):114 m depth, 250 mm dia.Pumping Well No. BUG – 2(PW):186 m depth, 350 mm dia.Observation Well no. BUG – 2(OW):186 m depth, 250 mm dia.] |
| 5 | Providing 200mm diameter medium duty ERW-MS blank casing for pumping wells |
| 6 | Providing 200mm slotted ERW-MS casing with slots (1.6 mm X76 mm) for pumping wells. |
| 7 | Providing 100 mm diameter medium duty ERW-MS blank casing for observation wells |
| 8 | Providing 100mm diameter medium duty ERW-MS slotted casing with (1.6 mm X 76 mm) for observation wells. |
| 9 | Providing & fixing Bail plug |
| 10 | Providing and fixing of Center Guide |
| 11 | i. Providing and filling of pea size gravel (quartz) of 3-5mm dia into annular space of well 350 mm dia borehole/200 mm dia. Casing. |
| 12 | ii. Providing and filling of pea size gravel (quartz) of 3-5mm dia into annular space of well 250 mm dia borehole/100 mm dia casing. |
| 13 | Providing cement sealing (6 m each) for separating two aquifer zones above gravel pack. (4 nos. wells) |
| 14 | Providing clay filling above gravel pack and above cement sealing upto ground level. (4 nos. wells) |
| 15 | Development of the 4 wells using suitable Air Compressor of 150-200 psi for 12 hrs in each well. |
| 16 | Continuous pumping after development by Air Compressor for pre-yield testing purposes for 5 hrs/ well (for 2 nos of Pumping well only). |
| 17 | Providing arrangement for Conducting Aquifer Performance Test (APT) by (i)Lowering suitable submersible pump to the desired depth for continuous pumping at constant discharge for both pumping wells (2 APT x1000 minutes). (ii) 1? dia GI pipe should be lowered at desired depth for facilitating measuring tape during aquifer performance test in pumping well |
| 18 | Providing well cap with locking arrangement, 1? dia socket with plug to be fixed in the centre of Well cap. |
| 19 | Providing concrete platform (Sanitary seal) to protect the wells. |
| 20 | Drinking Water Quality analysis for 26 parameters of 2 pumping wells (Total 2 samples) |
| 21 | Total impact of GST for the purpose of CTC |
AI Tender Summary
Tender Timeline
Nov 09, 2021
11:30 IST
Tender Published
Tender notice published.
Completed
Nov 13, 2021
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
CompletedNov 13, 2021
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedNov 15, 2021
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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