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| 1 | Part A - ELECTRO MECHANICAL TECHNOLOGY |
| 2 | Design,Supply,Erection&CommissioningofSewage TreatmentTreatmentPlant(STP)basedonwithMBBR Technology, Territory Treatment, includes design & engineering, manufacturing, transporting, installing, testingandcommissioningcompleteincludingalllocal and central taxes, freight charges, transit insurance, inspectioncharges, loading, unloading, conveyance to store/site and stacking the same. Vender to provide details of all designitemsincludescivilworksasperapproved specification,drawingandinstructionofengineeringin- charge.Raw Sewage Characteristics Treated SewageCharacteristics1. pH - (6.0 - 8.5)2.Total suspended solids (Mg/lit)-< 250 3. Biochemical Oxygen Demand (BOD5) @ 27o C (Mg/lit)< 350 4. Chemical Oxygen Demand (COD) (Mg/lit) < 600 5.Total Nitrogen (Mg/lit)< 1006.Total Coliforms (MPN/100ml) < 500 Treated SewageCharacteristics1. pH -(5.5 - 8.5)2.Total suspended solids (Mg/lit)-< 30 3. Biochemical Oxygen Demand (BOD5) @ 27o C (Mg/lit)<204. Chemical Oxygen Demand (COD) (Mg/lit) < 50 5.Total Nitrogen (Mg/lit)< 10 6.Total Coliforms (MPN/100ml) < 100 |
| 3 | EQUIPMENTS FOR SEWAGE TREATMENTPLANT |
| 4 | BAR SCREENMaterial of Construction : SS 304Specification : 10 mm Spacing c/cMake: Jave Engg |
| 5 | RAW SEWAGE TRANSFER PUMPSType: Non Clog Horizontal, Centrifugal, Self priming Non Clog PumpsMaterial of Construction : Cast IronCapacity: 5.0 m3 / hrHead : 12 mtsAccessories : Base Plates, CouplingPump & Motor make : Kirloskar/Wilo/KSB/Grundfos//Lubi/CRI |
| 6 | MBBR MediaType: Self supporting CylindricalMaterial of Construction: PE VirginSize: Dia 25mm x Ht 12 mmLoading Rate: 15g BOD/m2Color: WhiteSurface Area: 500 m3/m2 of mediaStrainers at MBBR Tank : SS 304Media Make: Tecpro/Welcome |
| 7 | ANOXIC TANK RECIRCULATION PUMPSType: Non Clog Horizontal, Centrifugal, Self priming Non Clog PumpsMaterial of Construction : Cast IronCapacity: 15.0 m3 / hrHead : 12 mtsAccessories : Base Plates, CouplingPump & Motor make : Kirloskar/Wilo/KSB/Grundfos//Lubi/CRI |
| 8 | DISTRIBUTION LINES FOR ANOXIC TANKMIXINGSupply ofPiping works for Mixing of Sewage in AnoxicTankPipes & FittingsMaterial : UPVCPressure rating : UPVC- 6 kg/cm2, MS - 15kg/cm2Make of Grid : Ashirvad / Astral / Supreme |
| 9 | SLUDGE TRANSFER PUMPType:Horizontal,Centrifugal,SelfprimingNonClog PumpsMaterial of Construction : Cast IronCapacity: 5.0 m3 / hrHead : 12 mtsAccessories : Base Plates, CouplingPump & Motor make : Kirloskar/Wilo/KSB/Grundfos//Lubi/CRI |
| 10 | DIFFUSED AIR SYSTEM FOR AERATION TANKAir BlowerType : Roots, Twin lobeMaterial : Cast IronCapacity :150 m3Pressure : 0.4 kg/cm2Make : A1 Blower/Everest/ABLMotorType : Horizontal, TEFC, Squirrel Cage, InductionCapacity : 5 HPMake : Kirloskar / Equivalent |
| 11 | DiffusersMaterial : EPDMType : Fine BubbleSize : 24\"Make : Tech Pro/ Equivalent |
| 12 | TUBE SETTLER FOR SETTLING TANKType : Vertical Tube Settler MediaMaterial of Construction : PVC UV StabilizedMedia Ht: 1000 mmPlan Setting Area: 11m2/m3 (at 60 deg. Slope)Tube Settler Supports: MSEPMake : Tecpro/Aqua Flexi |
| 13 | FILTER FEED PUMPType : Mon bloc CentrifugalMaterial of Construction : Cast IronCapacity: 5.0 m3 / hrHead : 30 mtsPump & Motor make : Kirloskar/Wilo/KSB/Grundfos/ CRI |
| 14 | ACTIVE MEDIA FILTERSupply, erection and commissioning of Active Media filter with following specificationsType : Vertical, Cylindrical / Thcikness Shell 6mm & Dish 8mmDesign Pressure : 5.0 kg/cm2Working Pressure : 3.0 kg/cm2Service flow rate : 2.0 m3/hourSize: 700mm X 1500mmVessel:The filter vessel is made of Mild Steel with Epoxt CoatingInternal: Topandbottominternalwater collection/distribution systemPiping:Multiport valve Piping arrangementFilter media : Perforated and Polished media Glass/ Pebbles, Silex, High Graded filtering Sand.Make: Jave EnggAccessories : Pressure gauges, Air Vent & Pressure Releasing Valve |
| 15 | ACTIVATED CARBON FILTERSupply, erection and commissioning of Vertical Carbon filter with following specificationsType : Vertical, Cylindrical / Thcikness Shell 6mm & Dish 8mmDesign Pressure : 5.0 kg/cm2Working Pressure : 3.0 kg/cm2Service flow rate : 1.0 m3/hourSize: 700mm X 1500mmVessel:The filter vessel is made of Mild Steel with Epoxt CoatingInternal: Topandbottominternalwater collection/distribution systemPiping:Multiport valve Piping arrangementFilter media : Graded Pebbles, Silex, High Graded filtering Sand and Activated carbon IV 1200.Make: Jave EnggAccessories : Pressure gauges, Air Vent & Pressure Releasing Valve |
| 16 | DISINFECTION DOSING SYSTEMType: Electronic DiaphragmMaterial of Construction: PPCapacity : 0 - 10 LPHMake: Nzo/UKL/E DoseDosing Tank : 100 LitersDoaing Tank MOC: PP |
| 17 | UV SYSTEMType : Ultraviolet DisinfectionMaterial of Construction : SS 304Capacity: 5.0 m3 / hrLampmake : Philips/ Light Source |
| 18 | ELECTRO MAGNETIC FLOW METER WITHONLINE CONNECTIVITYType : Electro MagneticEnd Connections: FlangedSize: 40 NB/ 2 NosOnline Connectivity: RS 485 with Online Monitoring through IOT for 1 year. Storage in Cloud.Make : EIT / UPC |
| 19 | SUPPLY OF PIPING WORKSFOR STPSupply ofPiping works including Suction and Delivery of Transfer Pumps and Dosing pumps, with necessary supports with following specificationsPipes & FittingsMaterial : UPVC / MSPressure rating : UPVC- 6 kg/cm2, MS - 15kg/cm2Make : PVC - Supreme / Finolex/ EquivalentMS/GI - Tata/Jindal/ EquivalentValvesDiaphragm Valves, Gate Valves, Ball Valves, Non ReturnValvesButterfly Valves, Needle ValvesMaterial : Polypropylene, CI, Carbon Steel Stainless SteelWorking pressure : 10 kg/cm2 |
| 20 | SUPPLY OF ELECTRICAL & INSTRUMENTATION WORKSFOR STPSupply, of Electrical works with following specificationsMotor Control CentreType:FixedNonCompartmenttypewithDOLStarters Consists of Incoming feeder with outgoing feeders, VoltmeterAmmeter,PushbuttonswithIndicatorlamp, Overloadrelays,Contactors,Busbarofrequiredsize, Control cablingMake : Jave EnggCablesType : Copper FlexibleSize : 3C x 2.5 sq. mm, 3C x 4.0 sq.mmMake : Polycab / EquivalentTerminationsConsists ofcompression cable glands, ferrules, ties,aluminium cable tags etcEarthingConsists of Copper green wire for earthing of Motors,MCC etc |
| 21 | ERECTION AND COMMISSIONING OF THESYSTEMErection and Commissioning of the System including theChemicals andConsumables requiredfor the Commissioning of the System |
| 22 | Part B – Electrical Works |
| 23 | Supply and Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required (Make: RR, Havells, Finolex, Polycab) 150 sq. mm |
| 24 | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of L l KV grade of following size in the existing RCC/ HUME/ METAL pipe as required.Above 95 sq.mm and upto 185 sq.mm |
| 25 | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. (Make: Commet, Dowell etc)3.5*150 Sq.mm (50mm) |
| 26 | Supplying and laying of following Suitable size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required. |
| 27 | Supply and Fixing ofOutdoor type Cubical Type free standing totally enclosed dust & Vermin Proof LT Panel suitable for 440 Volts 3 Phase , 50HZ AC Supply system of suitable size with not less than depth of 450mm fabricated in compartmentalized made from CRCA sheet steel of 16SWG,,having suitable Bus Barrate capacity of 150Aand 3 phase energy meterfixing provision chamber. Aluminium Bus Bar of high conductivity with PVC Sleeves, DMC/SMC bus Bar supports, entire Panel shall have 2 nos. earth stud, and control wiring of 1.5sq mm PVC insulated Copper Conductor Cable, Cable Alley Bus Bar Chamber Cable Gland Plate Confirming to IP 65 protection, including providing following switchgearmake of: L&T, Siemens, Schneider, ABB, Hager & Other accessories of reputed make. (including civil work for mounting panel board over the pedestal)Manual chage over switch - 125A (Incommer)MCCB -125A (Outgoing)Indication Lamp- R,Y,B (set) |
| 28 | Part C - Plant Operation |
| 29 | Operation of Sewage Treatment Plant of 100 KLD capacity for 24 hrs per day by engaging qualified plant operators, in three shifts of 8 hours duty of each, other man powers and using chemicals like sodium hypochloride, Bio culture, consumables etc., as required for maintenance and as directed by the Engineer-in charge. The treated sewage shall have the parameter like, (1. pH Value, 2. Suspended Solids, 3. Total Dissolved solids (inorganic) 4. Bio Chemical Oxygen Demand- BOD (5 days at 20̊ C), 5. Chemical Oxygen demand- COD, 6. Ammonical Nitrogen (as N), 7. Total kjeldahl Nitrogen (as N), 8. Oil and grease, 9. Colour and Odour) shall be within the limits as prescribed in relevant BIS code and shall be reusable for horticultural purpose/flushing or recharged to ground water after treatment and chlorination. The treated samples shall be collected by monthly and report to be submitted to CUTN, Thiruvarur along with bill. Rate is inclusive of Cost of repairs to pumps and other electrical and mechanical components and maintenance of all installations if any, cost of watch and ward arrangement made for the above Sewage Treatment Plant etc., cost of testing of treated water, complete including replacement of damaged diffusers if any. Replacement of Media of carbon and sand filters (every 6 month) and FAB Media of approved make like Preflex / MM Aqua / Cool Deck or equivalent (1 Cum for each Plant) including repairing of skid , motors, blowers ,etc complete as per the direction of Engineer in charge. |
