Supply, delivery of Electro Mechanical components at BILSI Water Supply Scheme IN THE Dist OF CoochBehar under NMD-II,PHE.Dte.

Amount

Supply & delivery at site the submersible Pump directly coupled with 3phase,50cycles,Water cooled submersible Motor for Installation in 250 mm x 200 mm dia deep Tubewell as per following specification:- a)Discharge of clear water=(Q) = 30 m3/Hr b)Total Head (H)= 48 M. Motor should work within a voltage range 400V ± 10% Impeller of the Pump should be of G.M./Bronze/S.S..,Bowl dia should not exceed 150 mm O/D. (Make:Departmental approved vendor list for submersible pump) [ Test Certificate & Curve chart are to be submitted at the time of delivery ]

Supply, delivery & storage at site of panel for fully automatic Programmable Logic Control system of Motor with starter,Actuator & Butterfly valve. as per following specification:-

Supply & delivery of the following Electrical accessories:-

a) 4 sqmm 3core PVC flat copper submersible Cable (Make-Departmental approved vendor list for Submersible cable)

Supply & delivery of the following Mechanical accessories:-

a) 80mm dia M.S. seamless column pipe(black) 6.8mm to 7.1 mm thick with 125mm long heavy type socket at one end.

i) 3.00 m long excluding socket having 8T.P.I. thread.

ii) 1.50 m long excluding socket, one end having a thread of 11 T.P.I & the other end having a thread of 8 T.P.I.

a) 80mm dia C.I.D.F. Non-return valve--(IS-5312,Part I PN 1.6).- 1 no.+ C.I.D.F. Sluice Valve- 1 no....1 set b) 80mm dia C.I.D.F. short piece of one mtr.length-2 nos. & 0.5mtrs. length.- 2 nos. ...1 set c) 80mm dia C.I.D.F. 90 degree Bend- 1 no. .+ C.I.D.F. Tee- 1 no..... 1 set d) M.S.Tubewell cover for 250 mm dia Housing having proper holes for insertions of column assembly, cables, depth gauge. ........1 set , 1 NO suitable MS Enlarger with MS Nipple for 80mm dia outlet if required. (special should be conform related to IS specification, (Make-Departmental approved vendor list for Valve with proper test certificate).

Supply & delivery of automatically controlled Hydraulic diaphragm type Chlorinator for accurate dosing of Chlorine solution into the water by connecting Chlorine pump ( Diaphragm type) having following specification:- Pump type :: Hydraulic Diaphragm Liquid :: Chlorine solution Capacity ( LPH) :: 0-100 Pressure kg/cm2 ( Testing) :: 10 Pressure kg/cm2 ( suction) :: Flooded Pressure kg/cm2 ( Hydro) :: 15 Connection Suction :: ½” Hose Holder Connection Discharge :: ½: Hose Holder MOC Liquid End :: PP Diaphragm :: PTFE NRV :: PP Drive capacity :: 0.5HP, 3 phase, 50Hz, 415V, 1440 RPM Motor Coupling capacity :: Flexible Spider Strainer :: Y type, PP, ½” BSP (F) Pressure Relief Valve :: Inbuilt. Solution Tank :: 100 ltr capacity (make: As per Departmental approved vendor list) ( Including making provision for inlet line to the actual storage tank of dosing solution of all materials) (Pump Make: As per Departmental approved vendor list) (Motor make: (As per Departmental approved vendor list). [ Test & Warranty Certificates are to be submitted at the time of delivery ]

Supply and delivery of calcium Hypochlorite [Ca(Ocl)2] granules with minimum 60% to 75% chlorine content & granules should be packed in plastic packet with air seal and kept in air-tight plastic containter( weight 3Kg/45 kgs each) for the following scheme :- (Note :- Test certificate mentioning the percentage of chlorine and batch no. /year of manufacturing to be submitted during delivery.)

Add @12% GST(CGST@6%+SGST@6%)

Total including GST

MAKE: AS PER DEPARTMENTAL APPROVED VENDOR LIST CIRCULATED VIDE MEMO NO-PHE/IV/2277/W-181/19 DATED 25/09/2019

RAJEEV RANJAN OJHA

CHOWDHURY AND BASU ENTERPRISE