Public Works Department-PWD has published Jjm Drilling And Develop Of 50 Nos. Dtw With Contractor Direct Rotary Drilling Rig Incl Providing Of Erw Pipes, Pea-Gravels Etc. In Diff Locations Of Karbook, Silachari And Matabari Block Under Dws Divn, Udaipur In Tripura During The Year 2021-22 Gr-I. Submission Date for this Tender is 17-05-2021. Drilling and Exploration Equipment Tenders in Karbook,Silachari and Matabari Tripura. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Drilling and boring pilot hole in any soil strata bydrilling rig, collection of soil samples of diffetent strata met with during drilling at verious 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 Rigi) 200 mm dia |
2 | Reaming 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 |
3 | i) From 200 mm dia pilot hole to 550 mm bore hole |
4 | ii) From 200 mm dia pilot hole to 460 mm bore hole |
5 | Washing 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 |
6 | Providing and lowering of ERW pipe conforming to IS:3589-2001 (with latest revision) with drilling rig including painting with anti-corrosive 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 |
7 | I) 300 mm dia ERW Housing Pipe |
8 | ii) 200 mm dia ERW Blind Pipe |
9 | iii) 200 mm dia ERW Slotted Pipe |
10 | Providing 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 |
11 | Providing and fixing of reducing socket (made with 8 mm thick MS sheet) by welding with blind pipe including applying of anti-corrusive 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 |
12 | Providing & 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 | With pea gravels obtained from Durgapur, West Bengal. |
14 | With pea gravels obtained from Golaghat, Assam |
15 | Providing and fixing of housing clamp(made with 12 mm thick MS sheet) by welding with blind pipe including applying of anti-corrusive bitumastic paint as per specification (IS:2800(Part-I)) and direction of the Engineer-in- charge. |
16 | i) 300 mm dia |
17 | ii) 200 mm dia. |
18 | Washing and development of tube well by usingair compressor and testing of the well as per specification(IS:11189) & direction of the Engineer-in-Charge. I. Upto 200 mtr pipe assemblyA. With contractor"s air compressor |
19 | Upto 200 mtr. Pipe assembly.i) Using Air Compressor of 300-450 cfm output for DTW |
20 | Beyond 200 mtr. Pipe assembly.i) Using Air Compressor of 1100 cfm output for DTW |
21 | Providing and fixing of Well Cap (made with 8 mm thick MS sheet)by welding with blind pipe including applying of anti-corrusive bitumastic paint as per specification (IS:2800(Part-I)) and direction of the Engineer-in- charge. |
22 | i) For 300 mm dia ERW pipes |
23 | ii) For 200 mm dia ERW pipes |
24 | Charges for electro-logging for ground water exploration related to potable drinking water purpose bore well (200-550 mm dia.) using a microprocessor based digital multiprobe bore well 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 aquifer, 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 Engineer-in-charge(all necessary equipments relating to electro-logging should have to be arranged by the agency)..i) BGL upto 250 mtr. |
25 | Providing 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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