09 /EE/PMD/PHED OF 2025-2026/Sl1

Vertical electrical sounding using resistivity meter to get parameter in terms of depth and discharge including cost of transportation of machine and tools, plants, to site including the shifting the machine and plants in different points in following sites and submission of 03 copies of date collected from each site for analysis and interpretation of VES data including analysis of data and interpretation of layer parameter and report preparation on ground water availability a) short sounding for less than a depth of 200 mtr from G.L. For 01 no Pin Point Site -03 nos Test, For 05 nos Pin Point Site - (5x3) = 15 nos Test

Mobilisation and transportation of the Rig machine and its accessories and other matrials etc to the site.

Drilling bore hole in DTH method through any kind of soils and rocks in overburden suitable for lowering and fitting fixing of 200 mm dia. casing pipe up to an average depth of 23 mtrs. and subsequently 165 mm diameter boring through any kind of rocky formation upto a total depth of 200 mtrs including all other works necessary for boring as per direction of E.I.C.This item includes the cost of hiring of Rig machine, Compressor, Supporting vehicle and other machinery & equipments with operators, drivers, laborers etc. Proportionate cost of drilling tools and accessories such as Hammer, Bit, etc. Cost of consumable materials like fuel & lubricants, any other related equipment, materials and service etc.as per technical specification. 0 to 25 mtr/ Over burden (over burden which is more)

25 to 200 mtr and above.

Supply and delivery of 200 mm upvc sq threaded casing pipe (CM conforming to IS : 12818 : 2010) CIPET certified light weight. Make : Any approved make of WBPHED vendor list

Washing and developing tube well with air compressor pump and engine for 8(Eight) hours continuous pumping per day with necessary arrangements for testing the yield in gallons per hour with ’V’ notch with other suitable instruments including hire and labour charges for all tools and plants and scaffoldings for checking of suitability of lowering 1 H.P pump at 40 mtr. depth at minimum 2000 LPH as per direction of EIC.

Supply and deliver at site vertical borewell submersible Pumping Machinery directly coupled with integral vertical hollow shaft submersible squirrel cage induction Motor suitable for tube well having power supply at 415 V+10%, 50Hz+6%,3Ph with capacity: Discharge -2 M3/Hr and head-109 mtr , RPM 2900. Material of construction: Pump Bowl Housing: CI, Pump & Motor Shaft: SS, Impeller:CS/SS, type of starter: DOL, speed: 2900 rpm. Ambient-50°C (as per IS8034 if available in market) Make :Any approved make from the unified vendor list of WBPHED. [Test certificate, MOC, curve chart & warranty certificate must be submitted at the time of delivery] (Mateials should be supplied after taking approval from department.)

S/D 3 mtr long 40 mm dia (ID) 8 mm thick UPVC standerd type column pipe with both side theaded and one end socketed ,with allowable hydrostatic pressure 21kg/cm2,with register KPMG.(Cream colour) (Materials should be supplied as per requirments of the site no extra material will be received by department) Make : Any approved make from WBPHED unified vendor list

S/D 40 mm dia CI top & bottom adopter. Make : Any approved make from WBPHED unified vendor list

S/D Heavy type suitable dia MS suspension clamp ,nuts,bolts and washer as per requirement.