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Water supply schemes in Tripura under JJM / Drilling & Development of 50 (fifty) Nos. Deep Tube Well with Contractor’s direct rotary drilling rig and other machineries & equipments including providing of ERW pipes, Pea-gravels etc. in different locations , Belonia-Tripura

Public Works Department-PWD has published Water supply schemes in Tripura under JJM / Drilling & Development of 50 (fifty) Nos. Deep Tube Well with Contractor’s direct rotary drilling rig and other machineries & equipments including providing of ERW pipes, Pea-gravels etc. in different locations . Submission Date for this Tender is 18-05-2021. Drilling and Exploration Equipment Tenders in Belonia Tripura. Bidders can get complete Tender details and download the document.




Tender Notice

27711652
Water supply schemes in Tripura under JJM / Drilling & Development of 50 (fifty) Nos. Deep Tube Well with Contractor’s direct rotary drilling rig and other machineries & equipments including providing of ERW pipes, Pea-gravels etc. in different locations
Open Tender
Indian
Tripura
Belonia
18-05-2021

Tender Details

Water supply schemes in Tripura under JJM / Drilling & Development of 50 (fifty) Nos. Deep Tube Well with Contractor’s direct rotary drilling rig and other machineries & equipments including providing of ERW pipes, Pea-gravels etc. in different locations of Hrishyamukh, Bagafa, Rajnagar & B.C. Nagar R.D. Block within the jurisdiction of DWS Division, Belonia in South Tripura District, Tripura during the year 2021-22.

Key Value

Document Fees
INR 5000 /-
EMD
INR 827956.0 /-
Tender Value
Refer document

BOQ Items

Name of work:- Water supply schemes in Tripura under JJM / Drilling & Development of 50 (fifty) Nos. Deep Tube Well with Contractor’s direct rotary drilling rig and other machineries & equipments including providing of ERW pipes, Pea-gravels etc. in different locations of Hrishyamukh, Bagafa, Rajnagar & B.C. Nagar R.D. Block within the jurisdiction of DWS Division, Belonia in South Tripura District, Tripura during the year 2021-22.
Sl. No. Item Description
1Drilling and boring pilot hole in any soil strata by drilling rig, collection of soil samples of different strata met with during drilling at various suitable levels, preservation of samples in polythene bags / sample boxes and disposal of excess soil or mud, including the cost for bentonite, water etc. as required to maintain the pilot hole properly as per specification (IS: 2800) (part -I)) and direction of the Engineer-in-charge. A. With contractor"s rig i) 200 mm dia.
2Reaming of pilot hole to an enlarged bore hole in any soil strata by drilling rig, disposal of excess soil or mud, including the cost for bentonite, water etc. as required to maintain the bore hole properly as per specification (IS:2800) (part -I)) and direction of the Engineer-in-charge. A. With contractor"s rig
3i) From 200 mm dia. pilot hole to 550 mm dia bore hole.
4ii) From 200 mm dia. pilot hole to 460 mm bore hole.
5Washing of enlarged bore hole of 460 - 550 mm dia. in any soil strata by drilling rig, disposal of excess soil or mud, including the cost for bentonite, water etc. as required to maintain the bore hole properly including lifting of drill pipes as per specification (IS:2800)(part-I)) and direction of the Engineer-in-charge. A. With contractor"s rig
6Providing and lowering of ERW pipe conforming to IS : 3589-2001(with latest revision) with drilling rig including painting with anti-corrossive bitumastic paints, fixing of M.S. ring, welding of all joints etc. complete after washing of the bore hole as per specification (IS:2800) (part-I)) and direction of the Engineer-in-charge. A. With contractor"s rig
7i) 300 mm dia. ERW housing pipes.
8ii) 200 mm dia. ERW blind pipes.
9iii) 200 mm dia. ERW slotted pipes.
10Providing and fixing of bail plug (made with 8 mm thick MS sheet) by welding with blind pipe including applying of anti-corrosive bitumastic paint as per specification (IS: 2800) (part-I)) and direction of the Engineer-in-charge. i) For 200 mm dia. ERW pipes
11Providing and fixing of reducing socket (made with 8 mm thick MS sheet) by welding with blind pipe including applying of anti-corrosive bitumastic paint as per specification (IS:2800)(part-I)) and direction of the Engineer - in - charge. A. With contractor"s rig i) 300 X 200 mm dia.
12Providing & shrouding of the deep tube well assembly with washed pea gravels (2.0-4.75 mm effective size) as per specification (IS:4097) and direction of the Engineer-in-charge. A. With contractor"s rig
13(i) With pea gravels obtained from Durgapur, West Bengal.
14(ii) With pea gravels obtained from Golaghat, Assam
15Providing and fixing of housing clamp (made with 12 mm thick MS sheet) by welding with blind pipe including applying of anti-corrosive bitumastic paint as per specification (IS:2800) (part-I)) and direction of the Engineer - in - charge.
16i) 300 mm dia.
17ii) 200 mm dia.
18Washing and development of tube well by using air compressor and testing of the well as per specification (IS: 11189) and direction of the Engineer-in-charge. A. With contractor"sair compressor
19Upto 200 mtr. Pipe assembly. i) Using air compressor of 300- 450 cfm output for DTW.
20Upto 200 mtr. Pipe assembly. ii) Using air compressor of 1100 cfm output for DTW.
21Providing and fixing of well cap (made with 8 mm thick MS sheet) by welding with blind pipe including applying of anti-corrosive bitumastic paint as per specification (IS:2800 (part-I))and direction of the Engineer-in- charge.
22i) For 300 mm dia. ERW pipes.
23ii) For 200 mm dia. ERW pipes.
24Charges for electro-logging for ground water exploration related to potable drinking water purpose borewell( 200-500 mm dia) using microprocessor based digital multiprobe borewell logger and submission of acquired data in the shape of numerical as well as graphical and determination of lithologgy and static graphic co-relation of acquifer, effective porosity and permeability, location of water bearing and saturated water zone and its corresponding discharge and also guidance for setting up of tapping zone etc. Complete as per direction of the Engg.-in-charge (All necessary equipments relating to electro-logging should have to be arranged by the agency) i) BGL upto 250.00 mtr.
25Providing and filling of the abandoned pilot hole of deep tube well with available materials obtained from pilot hole/sand/earth/any other suitable materials as per specification and direction of the Engineer-in-charge. (i) with available materials obtained from pilot hole (50%) and sandy earth (50%)
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