Drilling And Development Of 10 Nos Dtw At Different Places Of Dhalai District With Contractors Direct Rotary High Power Rig Machine And Other Machineries And Equipments Including Providing Of Erw Pipes Pea Gravels Etc For The Year 2020-21 ( Gr_Iii )

Tender Notice

26129660
Drilling And Development Of 10 Nos Dtw At Different Places Of Dhalai District With Contractors Direct Rotary High Power Rig Machine And Other Machineries And Equipments Including Providing Of Erw Pipes Pea Gravels Etc For The Year 2020-21 ( Gr_Iii )
Indian
Tripura
30-11-2020
21-12-2020
23-12-2020

Tender Details

Drilling And Development Of 10 Nos Dtw At Different Places Of Dhalai District With Contractors Direct Rotary High Power Rig Machine And Other Machineries And Equipments Including Providing Of Erw Pipes Pea Gravels Etc For The Year 2020-21 ( Gr_Iii )

Key Value

Document Fees
INR 5000 /-
EMD
INR 357907.00 /-
Tender Value
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BOQ Items

Name of Work: JJM/BADP/NITI-AYOG/NEC scheme in Dhalai District during the year 2020-21/SH: Drilling & Development of 10 (ten) Nos. Deep Tube Wells at different places of Dhalai District with Contractor’s direct rotary high power rig machine and other machineries and equipments including providing of ERW pipes, pea-gravels etc. for the year 2020-21(Gr.-III)
Sl. No. Item Description Item Code / Make Quantity Units
1 1 Drilling and boring pilot hole in any soil strata by deep drilling / high power 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.\n\nA. With contractor's high power rig BI01010001010000000000000515BI0100001112
2 1.01 I) Up to 250 mtr.\n\ni) 320 mm dia. BI01010001010000000000000515BI0100001113 2500 Mtr
3 1.02 II. Beyond 250 mtr. and up to 375 mtr.\n\ni) 320 mm dia. BI01010001010000000000000515BI0100001114 1250 Mtr
4 2 Reaming of pilot hole to an enlarged bore hole in any soil strata by deep 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.\n\nA. With contractor's high power rig BI01010001010000000000000515BI0100001115
5 2.01 I) Up to 250 mtr.\n\ni) From 320 mm dia. pilot hole to 550 mm bore hole. BI01010001010000000000000515BI0100001116 228.7 Mtr
6 2.02 ii) From 320 mm dia. pilot hole to 460 mm bore hole. BI01010001010000000000000515BI0100001117 2271.3 Mtr
7 2.03 II) Beyond 250 mtr. and up to 375 mtr.\n\ni) From 320 mm dia. pilot hole to 460 mm bore hole BI01010001010000000000000515BI0100001118 1250 Mtr
8 3 Washing of enlarged bore hole of 460 - 550 mm dia. in any soil strata by deep 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.\n\nA. With contractor's high power rig BI01010001010000000000000515BI0100001119 3750 Mtr
9 4 Providing and Lowering of ERW pipe conforming to IS : 3589-2001(with latest revision) with deep drilling rig including painting with anti-corressive 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.\n\nA. With contractor's high power rig BI01010001010000000000000515BI0100001120
10 4.01 i) 300 mm dia. ERW housing pipes. BI01010001010000000000000515BI0100001121 213.45 Mtr
11 4.02 ii) 200 mm dia. ERW blind pipes. BI01010001010000000000000515BI0100001122 3018.35 Mtr
12 4.03 iii) 200 mm dia. ERW slotted pipes. BI01010001010000000000000515BI0100001123 426.9 Mtr
13 5 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.\n\nA. With contractor's high power rig\n\ni) For 200 mm dia. ERW pipes 10 Nos
14 6 Providing 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.\n\nA. With contractor's high power rig\n\ni) 300 X 200 mm dia. 5 Nos
15 7 Providing & Shrouding of the deep tube well assembly with washed pea gravels (2.0-4.75 mm effective size) as per specification (IS:4097) using deep drilling rig and direction of the Engineer-in-charge. \n\nA. With contractor's high power rig
16 7.01 (i) With pea gravels obtained from Durgapur, West Bengal. 247.5 Cum
17 7.02 (ii) With pea gravels obtained from Golaghat, Assam 247.5 Cum
18 8 Providing 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.\n\nA. With contractor's high power rig
19 8.01 i) For 300 mm dia 5 Nos
20 8.02 ii) For 200 mm dia. 5 Nos
21 9 Washing 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.\n\nA. With contractor's air compressor
22 9.01 i) Using air compressor of 300- 450 cfm output for DTW (Upto 200 mtr. pipe assembly) 3 Nos
23 9.02 ii) Using air compressor of 1100 cfm output for DTW (beyond 200 mtr. pipe assembly) 7 Nos
24 10 Providing 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.\n\nA. With contractor's high power rig
25 10.01 i) For 300 mm dia. ERW pipes. 5 Nos
26 10.02 ii) For 200 mm dia. ERW pipes. 5 Nos
27 11 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 lithology 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)
28 11.01 (i) BGL upto 250.00 mtr. 2500 Mtr
29 11.02 (ii) BGL beyond 250.00 mtr and upto 457.00 mtr. 1250 Mtr
30 12 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.\n\n(i) with available materials obtained from pilot hole (50%) and sandy earth(50%) 91 Cum
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