Jjm Schemes In Gomati District, Tripura / Drilling & Development Of 07 (Seven) Nos. Small Bore Deep Tube Wells (Sbdtw) With Contractors Own Direct Rotary Minidrilling Rigmachine And Other Machineries & Equipments In Different Blocks Of Gomati District Un, Udaipur-Tripura
TDR : 38320690
Tender Notice
BOQ
Expired
Udaipur
Tripura
Jjm Schemes In Gomati District, Tripura / Drilling & Development Of 07 (Seven) Nos. Small Bore Deep Tube Wells (Sbdtw) With ContractorS Own Direct Rotary Minidrilling Rigmachine And Other Machineries & Equipments In Different Blocks Of Gomati District Un
Name of Work:-JJM Schemes in Gomati District, Tripura / Drilling & Development of 07 (Seven) nos. Small Bore Deep tube wells (SBDTW) with Contractor\"s own Direct Rotary MINIDrilling RigMachine and other machineries & equipments in different blocks of Gomati District under the Jurisdiction of DWS Udaipur Divisionduring the year 2023-24 (Group-I).
Sl. No.
Item Description
1
Drilling and boring pilot hole in any soil strata by mini 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 mini rig ii) 150 mm dia
2
Reaming of pilot hole to an enlarged bore hole in any soil strata by mini 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.B. with contractor\"s mini rig i. From 150 mm dia pilot hole to 460 mm dia bore hole
3
ii. From 150 mm dia pilot hole to 350 mm dia bore hole
4
Washing of enlarged bore hole of 350 - 450 mm dia in any soil strata by mini 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.B. with contractor\"s mini rig
5
Providing & Lowering of UPVC pipe as per IS:12818 after washing of the bore hole by the mini drilling rig as per specificastion & direction of the Engineer-in-ChargeB. with contractor\"s mini rigI. UPVC \"CS\" casing pipe i) 200 mm dia
6
ii) 150 mm dia
7
II. UPVC \"RS\"pipesi) 150 mm dia
8
Providing and fixing of UPVC end cap/well capsuitable for UPVC \"CM\" casing or \"CS\" casing or \"RS\" pipes as per specification and direction of the Engineer - in - charge.i. 150 mm dia
9
Providing & fixing of UPVC reducer suitabla for UPVC \"CM\" Casing or \"CS\" Casing \"RS\" pipes as per specification and direction of the Engineer-in-charge .i) 200 x 150 mm dia
10
Providing and shrouding of the deep tube well assembly with washed Pea-gravels ( 2 - 4.75 mm effective size)asper specificastion (IS:4097) & direction of the Engineer-in-Charge .A. with contractor\"srig 7.1) with Pea-gravels obtained from Durgapur, West Bengal
11
7.2) With Pea-gravels obtained from Golaghat, Assam
12
Washing and development of tube well by usingAir Compressor and testing of the well as per specification (IS:11189) and direction of the Engineer-in-Charge. i) Upto 200 mtr. Pipe Assembly.i) using air compressor of 300 -450 CFM output for SBDTWA. with contractor\"s air compressor
13
Providing and fixing of housing clamp (made with 12 mm thick MS Sheet) alongwith well cal (made with 10 mm thick MS sheet) with necessary arrangements for SBDTW as per specification and direction of the Engineer-in-charge.9.1) 200 mm dia
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