SUPPLY,, BORING AND INSTALLATION OF NEW DEEP TUBE WELL AT BCPL TOWNSHIP SIVASAGAR

Amount

Test boring with 40mm(internal dia.) G.I. Pipes at various locations and keeping earth samples at every change of soil strata for assesing the availability of ground water including labour, scaffolding, tools etc. complete as directed by EIC.

Transportation,Mobilisation & Demobilisation of the machine drilling rig & other equipments, tools, tackles etc. to work site

Drilling of perfectly vertical bore hole of 400mm diameter including supply of materials like bentonite, clay, making of pits etc.complete as directed and specified from 0 to 40 Running Meter

Drilling of perfectly vertical bore hole of 400mm diameter including supply of materials like bentonite, clay, making of pits etc.complete as directed and specified from 40 to 70 Running Meter

Drilling of perfectly vertical bore hole of 400mm diameter including supply of materials like bentonite, clay, making of pits etc.complete as directed and specified beyond 70 Running Meters.

Providing, centering and lowering of 250mm diameter nominal size uPVC medium well casing pipes assemble conforming to IS:12818 inside the bore hole for casing.

Providing, centering and lowering of 250mm nominal diameter uPVC medium well screen(RMS) pipes with ribs assemble of approved make for casing, conforming to IS:12818.

Providing gravel packing with uniformly graded gravel in the annular space between outer wall of casing pipe and inner wall of bore hole from the bottom of the hole to the ground level including cost of gravel, transportation, stacking, washing and packing in layers of suitable thickness complete.

Supply & fitting of well accessories such as bail plug, centering guide, well cap, housing clamp etc.

Development of the tube well with high capacity air compressor for a minimum of 40 hours or more till sand free discharge is obtained whichever is longer and complete in all respect.

Providing, fixing & lowering of 80mm dia heavy duty uPVC column pipe to the delivery head of submersible pump complete with all fittings & accessories like loop bail, bottom adapter, top adapter,pump guard and strap wrench.

Supplying including fitting and fixing of submersible water pump set with Motor , 7.5 KW/ 10 HP complete with all accessories. a) PUMP: Model : BPD-302/05, Make: KSB or equivalent model of Crompton Greaves/Kirloskar. Discharge : 30 - 65 M3/HR Head : 49 - 26 METER Rated Speed : 2850 Outlet pipe size: 3" dia. b) MOTOR: Power : 7.5 KW/10 HP

Star Delta starter suitable for submersible motor with overload & under release of L&T/C&S/Siemens make and a control panel consisting of voltmeter, ammeter indicator lamps, phase converter, necessary cables etc.

Providing and fixing flat submersible electric cable suitable for water works, ISI Mark as per the specification complete in all respect 10 sq.mm flat, PVC/XLPE insulated, 3/3.5 core , multistrand copper flexible cable of make Polycab/Havells/Finolex

Supplying, fitting & fixing 80mm G.I Pipes(Medium) with all necessary fittings in exposed or in trenches including trenching and refilling the same etc. complete as directed

Performing bacteriological & chemical test for the tubewell discharge from approved laboratory & submission of report.

technomech consortiums

Brahmaputra Commerce and Trade

M/s R.P.JALLAN