Repairing of treatment unit including replacement of filter media with allied works of MTU -I (Berhampore) under Mechanical/Electrical Division, Berhampore, P.H.E. Dte.

Amount

Dismantling the existing unservisible vessels, pvc fittings from the treatment unit section of MTUby expart Service Mechanic, helper as per direction of EIC

Supplying of below noted following materials at MTU site Fiber rain FOS polymer type filter vessel of size 16" x 65" Make TATA/ PHE approved

Fiber rain FOS polymer type filter vessel of size 21" x 62" Make TATA/ PHE approved

Distribution System (strainer)

40 NB multiport Valve

2" x 1.5" connection assembly

2" Victoulic coupling (SS)

ISR Resin

Filter media

Activated carbon

R.O. Membrane for size 40-40 as epr following nos 5.000 38107.00 190535.00 specification:- a) Permeate Flow:- 2.250 gpd (8.5m³/d) b) Salt Rejection:- 99.5% (99.2% minumum) c) Configuration:- Spiral Wound d) Membrane Polymer:- Composite Polyamide e) Membrane Active Area: 85ft2 (7.9 m²) f) Maximum Applied Pressure:- 600 psig (4.14 MPa) g) Maximum Chlorine Concentration:- < 0.1 PPM h) Maximum Operating Temperature:- 1130F (450C) i) pH Range, Continuous (Clearing):- 2-10 (1-2)*, j) Maximum Feedwater Turbidity:- 1.0 NTU k) Maximum Feedwater SDI (15 mins): 5.0 l) Maximum Feed Flow:- 16 GPM (3.6 m³/h) m) Minimum Ratio of Concentrate to Permeate flow for any Element:- 5.1 n) Maximum Pressure Drop for each Element:- 15 psi Make: Parker/Equivalent Make.

Installation of above supplied Vessels & filter media and above supplied materials at site of its original position including all allied pipelines connection with alteration as required, supplying all necessary PVC fittings as per direction of EIC .Submit water test reports to the department after successful Completion of the work

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Add CESS @ 1%

H.K.DAS AND CO. (BID ID -7804635)

MAHADEV ENTERPRISE (BID ID -7818375)