Tender For Annual Maintenance Contract Of Ro Plant 250 Lph Capacity During 2025-26 At Bsf Campus Taratala Under Ftr Hq Bsf South Bengal.; 1 Annual Maintenance contract of RO plants with following conditions:-(i) Checking the individual water treatment unit for the performance like flow rate,treated water quality and leakage etc if any. (ii) Checkingthe performance of Reverse Osmosis water purification unit for system pressure, and replacement of cartridge, cleaning of membrane with cleaning chemicals etc where ever required. (Necessary stores to be supplied by deptt. Free of cost). (iii) Checking/testing thefinal treated water quality with the available test kits.(iV) Ifthe Malfunction of the unit is noticed, Corrective measures to be taken for the same. (V) Service personnel is required to pay one visit per month.(Vi) No extra payment will bemade forany additional visit by service personnel. (Vii) AMC includes servicing/preventive maintenance only excluding spares required if any.(Viii) Servicingof plant with available consumables andto keep the plant in a functional state during maintenance period. 2 Providing and Fixing Ultrafiltration (UF) 12 membrane of approved quality including removal of existing UF complete as per dirction 3 Supplying and filling De-chlorination grade Activated carbon in granular form of particle size 1.50 mm conforming to HSN Code 8481 withfollowing parameters :- i)Adsorption capacity for carbon- tetrachloride, ( Min 55 % by mass )ii ) Moisture content ( Max 5 % by mass)iii ) Ash content ( Max 5 % by mass )iv ) Decolourizing power ( Min 90 mg / gm ).v ) Hardness number ( Min 90 )vi) Retentivity index ( Min 45 % by mass )vii ) Surface area –( Min 550 m2 / g ) 4 Supplying and filling Silex Filter Media conforming to HSN Code 25171090 :- Made from pure quartz ( crystalline structure ) ground to 2-3 mm particle size , washed, dried and screened to meetprevailing standards and with following parameters:- i)Should be white and clear of any impurities.ii ) Inert to acids, alkalies & chemicals and bearing good abrasion resistance. iii ) Acid solubility to be less than 0.5 % iv) Virtually free from fines and silts. 5 Supplying and filling Filter Media Sand of particle size 0.80 to 1.60 mm conforming to HSN Code 25171090 bearing following parameters :-i) Composed of sub-angular, hard, durable, and dense grains of predominately siliceous material. ii ) Extracted from a clean glacial sand deposit, washed, clean dried, and screened to meet prevailing specifications 6 Supplying and filling Citric Acid Monohydrate (Membrane cleaning solution) conforming to HSN Code 29181400 withfollowing parameters :-i) Colorless crystalline organic compound belonging to carbolic acid family having functions of acidity regulator, sequestering and stabilizing agent, antioxidants synergism, firming agent.ii ) To maintain stability of active ingredients and as an acidulant to control pH. 7 P/I/T/C Bottom Connection Pressure Gauge of range( 0 to 7 Kg / Cm2 )Dial size - 100 mm [2.5]Connection Size - 1/4 BSPDisplay Type : AnalogMaterial Grade SS 304Measuring Range 0 to 3000 PsiWeight - 0.240 kg 8 Providing and fxing RO Membrane 40x40:Material: Polyamide Thin-Film Composite Maximum Operating Temperature 45 Degree CMaximum Operating Pressure 600 psiMaximum Feed Flow Rate 16 gpm (3.6 m 3 /h)Item Weight: 7 PoundsMaximum Pressure Drop: 15 psigFree Chlorine Tolerance: <0.1 ppmpH Range Continuous Operation 2 - 11Maximum Feed Silt Density Index (SDI) SDI 5Salt Rejection % 99.5 %Dimensions 40 x 4 x 4 inchesBrand: DOW FILMTECH / HYDRANAUTICS / DUPONT / Equivalent 9 Providing and placing in position/Locations polypropylene filter Cartridge/Candle ( conforming to HSN code 39269099 Size:20Diameter:2.5 (OD 60-115 mm & ID 27-30 mm)Micron Rating: 5 with following parameters:-i) Polypropylene fibre and polypropylene core. ii) Maximum operating temperature 70 degree C.iii) Operating Pressure up to 10 Bar. PRATHAM/AQUAPURO/Equivalent. 10 Providing and fxing Big Blue Water Filter HousingSize 20 InchesMaterial PolypropyleneInlet & Outlet - 1 ( 25 mm )Color Blue/BlackCap. - 100 Lph To 2000 Lph Max Pressure 7Kg.Include Spanner, Air Release ValveAble to Accept up to 4-1/2 diameter cartridgesHSN Code :- 8421PENTAIR / Equivalent 11 Providing and placing at all levels Industrial usage FRP Vessel 250 LPH Capacity of approved brand and manufacture with following parameters all complete as directed by the Engineer in charge :-Size :-12 x 48 Max vaccum - 5(127 mm) HgMax Operating Pressure - 150 PSI (1 MP4)Outer shell - Filament WoundInner Shell - PolyethyleneNote :- The rates are inclusive ofremoval of existing vessel from all levels, locations and positions and nothing extra on this account shall be payable to the firm. 12 Providing and fixing 25 mm dia multiport valve with 3 ports for Filter Backwash/Rinse 3000 Ltr/Hr flow of approved make / ISI mark etc including removal of existing valve 13 Providing and fixing TDS Adjester of approved make / ISI mark etc including removal of existing TDS Adjester 14 Supplying and filling of gravel of approapriate sizes in existing vessel to be supplied in sealed pack and filled in presence of BSF representative.40 – 65 mm size to the finest layer of fine sand 0.8 to 1.6 mm size. 15 Supplying and filling of Anthracite flitering media for water treatment plants and filters complete as per direction of Engineer in Charge.grains ranging from size of 3 mm to 5 mm in diameter 16 Providing and fixing CPVC FTA of approved brand and manufacture High or low pressure, complete as per direction of Engineer in Charge:25 mm nominal outer dia 17 Providing and fixing CPVC MTA of approved quality, High or low pressure, complete as per direction of Engineer in Charge:25 mm nominal outer dia 18 Providing and fixing CPVC Union of approved quality, High or low pressure, complete as per direction of Engineer in Charge:25 mm nominal outer dia 19 Providing and fixing Stainer pipes of approved quality, complete as per direction of Engineer in Charge:25 mm nominal dia. 20 Providing and fixing UPVC Ball valve 15 mm dia nominal bore conforming to HSN Code 8481 ASHIRVAD/PRAYAG/KISSAN/Finolex/SUPREME/Equivalent. 21 Supplying and filing of Oxidizing Catalytic flitering media for water treatment plants and filters complete as per direction of Engineer in Charge 22 Providing and Fixing relay of approved quality including removal of existing relay complete as per dirction 23 Providing and fixing Membrane Housing(40x40) FR of approved make / ISI mark etc including removal of existing Membrane Housing(40x40) FR 24 Supplying Installation testing & Commissioning of Single phase self priming monobloc motor pump set 0.5 HP, 240 Volts,50 HZ Frequency, Suction and delivery -25x25 mm including making connection . .As per direction of Engineer -in -charge . (Make- Kirloskar, CRI, Lubi or equivalent) 25 Supplying Installation testing & Commissioning of High Pressure Pump Single phase, 1.50 HPi) Voltage 180-220 V ii) Pump type Vertical Multistage iii) Max current- 8.5 A iv) Load Speed 2800 RPM v) Material Stainess Steel vi) Material grade SS 304. As per direction of Engineer -in -charge . (Make- KSB Kirloskar, CRI, Lubi or equivalent) 26 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall 15 mm nominal outer dia .Pipes. 27 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall 20 mm nominal outer dia .Pipes. 28 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall 25 mm nominal outer dia .Pipes.
