WBPHE/EE/MMD/NIeT- 06 OF 2025-26

Supply delivery & installation of Membrane element for RO unit, Capacity 2000 lit/hr Suitable for installation in RO vessel diameter 8" & length 40". As per following specification:- 1) Permeate Flow:- Minimum 10000 gpd (3.75 m³ /d) 2) Salt Rejection:- (99.5% minimum) 3) Configuration:- Spiral wound 4) Membrane polymer:- Composite Polymide 5) Nominal membrane Area:- Minimum 365 ft² (33.9m²) 6) Maximum applied pressure:- above 450 psi 7) Maximum operation temperature:- Not above 122˚F (50˚C) 8) pH range, continuous (Cleaning):- 2-11 (1-13) 9) Maximum Feed water Turbidity:- Upto 1.0 NTU 10) Maximum Feed water SDI (15 mins):- Upto 5.0 11) Maximum Feed Flow:- 75 GPM (17.0m³/h) 12) Minimum Ratio of Concentrate to permeate Flow any Element:- 5.1 13) Maximum pressure drop for Each Element:- 10 psi (Make- Hydranoutics / Dow / Toray / GE)

Installation and Commissioning of RO unit Capacity 2000 lit/hr suitable for RO vesel diameter 8" & length with through checking & testing complete. (Supplies by Departmentally)

UF unit for removing all undisclosed impurities including suspended solids, colidall impurities having Feed Pressure- 5 Bar, Operating Tran membrane Pressure- 2 psig, Maximum Backwash- 20 psig as per following specification:- 1) Filtrate Flow: 12.1 - 29.5 gpm 2.7 - 6.7 m³/hr) 2) Filtrate Turbidity- ≥ 00.7 NTU 3) Virus removal- 4 log 4) Bacteria removal- ≥ 4 log 5) Configuration:- Capillary Ultrarafitration Module 6) Membrane Polymar:- Hydophilic Poly thersulfone 7) Nominal Membrance Area:- 500 ft²(46m²) or above 8) Fiber Dimensions- ID 0.031" (0.8mm) OD 0.055" (1.4mm) 9) Pore size:- 0.02 micron or less 10) Typical Filtrate Flux Rnage:- 35-85 gfd (59-1451/m²/h) 11) Maximum Applied Feed Pressure 73 psig (5bar) 12) Maximum Transmembrane Pressure 20 psig (1.4 bar) 13) Maximum backwash transtmembranece Presuure:- 20 usig (1.4 bar) 14) Instanteneous Chlorine Tolerance: 100 ppm 15) Instantaneous Hydrogen Peroxide Tolerance:- 200 ppm 16) maximum chlorine Expossure:- 200.000ppm-hrs 17) maximum instantaneous Feed Turbidity:- 100 NTU 18) Maximum Operating Temperature:- 104˚F 19) pH opearting range:- 4.0-10.0 20) Clraning pH range:- 1.5-13.0 21) Opearting Mode:- Inside to Outside Filtration Direct flow of Crossflow 22) Backwash flux:- 100-150 gfd (170-255 l/m²/hr) 23) Backwash Duration:- 30-60 seconds 24) Backwash Frequency:- 20-60 minutes 25) Chemical Enhanced Backwash Frequency:- 0-4 ties per day 26) Chemical Enhanced Backwash Duration:- 1-30 minutes 27) Disinfection Chemical- Na0Cl. H₂O₂, CLO₂ or NH₂Cl 28) Cleansing Chemical:- Na0H, HCL, H₂SO₄ or Citric Acid (Make:- Suez / Dow / Toray)

Installation and Commissioning of UF unit for removing all undissolved impurities including suspended solids, colidall impurities having Feed Pressure- 5 Bar.

Dismanting of the whole water treatment plant unit from the truck and thereafter installation and commissioning of the whole water Treatment Plant including change of pipeline of 1 ½ CVPC pipes of quantity 100 ft approx including replacement of valve and repairing of the skid etc as per full satisfaction of the EIC to get the production of 4000 pouches per hour

Repairing of the whole body of the truck including the base of the body to be replace by MS Plate of minimum 5mm thickness to accommodate the new generator and water treatment plant inside of the truck including complete paint and polishing of the whole body of the MTU and write the matter on all the four side of the truck including supply of the materials as per existing design and as per direction of EIC

Truck servicing of existing Mobile Treatment unit along with supply, delivery and installation of spare of Truck Engine along with labour charges for Truck Engine servicing with through checking & testing complete.

Supply delivery & installation of SS Micron Cartidge Filter/Busket strainer for UF unit 100 micron SS, 20" long (Jumbo Type) lD:- 50mm OD:- 100mm Lenght:- 500mm Flow Capacity: 6m3/hr construction core not required Clean DP- 100mbar Maximum Operating Temperature- 200 deg C Make:- Gopani preferably of equivalent

Supply delivery & installation of at site 5 Micron jumbo wond type pre filter Cartidge of RO Filter assembly with below mention specification 1) Ld:- 4.5" 2) OD:- 6" 3) Lenght:- 20" 4) Flow capacity:- 5m³/hr 5) Care Cover Material:- Poly Propylenem 6) Care:- Poly Propylenem 7) Clean Ps 10 Psid 8) Maximum Operating Temperature:- 120 ˚F (49˚C)

Supply delivery & installation of of Horizontal & Vertical Electrode , L=190mm

Supply delivery & installation of of Rubber Strip (H 4mm x 18mm x 4mm)

Supply delivery & installation of of Teflon Tape (18 x 300 mm imported)

Supply delivery & installation of of Magnetic Coil

Supply delivery & installation of of Control Transformer

Supply delivery & installation of of Horizontal Transformer

Supply delivery & installation of of Vertical Transformer

Supply, delivery, installation and Commissioning of 1 ½" of Victrolic Coupling

Supply, delivery, installation and Commissioning of 2" of Victrolic Coupling

Supply, delivery, installation and Commissioning of 1 ¼" of Victrolic Coupling

Supply , delivery & installation of Cyclic adjustable on/off timer with 2 c/o contact, timer range (06 Sec-60 mins) 240V AC (BIDC-X)

Deployment of daily service charges of the service engineer with all conveyance fooding and accommodation for the Restoration of the breakdown of Mobile Treatment Unit

MAHADEV ENTERPRISE (BID ID -6677397)

H.K.DAS AND CO. (BID ID -6682017)