Harbour Engineering Department Tender

13.52.1:Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work

12.1.1:Providing corrugate G.S. sheet roofing including vertical/ curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete ( up to any pitch in horizontal / vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.1.00 mm thick with zinc coating not less than 275 gm/m2

OD6272/2023-2024:Supply and Installation of 50 mm UPVC ball valve Long Handle

OD6270/2023-2024:Providing and fixing Polyvinyl Chloride (PVC) pipes, for water supply including all threaded fittings. This includes jointing of pipes & fittings with one step PVC solvent cement, trenching , refilling & testing of joints complete as per direction of Engineer- in-Charge. External work50 mm nominal dia pipes

OD6273/2023-2024:Supply and Installation of Green Polyvinyl Chloride PVC Flexible Hose for Water, 60 mm diameter

OD6275/2023-2024:Supply and Installation of pvc footvalve 60 mm diameter with fittings

OD8668/2023-2024:Supply and Installation of 2 TON Inverter Split AC with Energy Rating: 5 Star, Wide Voltage Range Operation, Annual Energy Consumption 6200 Units per year, Eco- Friendly Refrigerant 100% Copper, with 4 kVA 130V - 300V Stabilizer, High EER Twin Rotary BLDC type compressor, Dual Filter Protection including cost of all materials loading, unloading etc complete as per direction of departmental officers at site

OD8669/2023-2024:Supply of Rapid sand filter of 1000 MM Dia. Filter made from Non Corrosive Fibre Glass and Resin. UV resistant. Equipped with 2” Top Mount Multiport Valve, Pressure Gauge, Bottom Header Lateral assembly for collection of filtered water, Inclusive of Initial charge of Filter media including cost of all materials, loading, unloading etc complete as per direction of departmental officers at site Max. Operating Pressure : 2.5 Kgs/cm2 Maximum Flow Rate : 39 M3/hr.

OD8670/2023-2024:SUPPLY AND INSTALLATION OF TWIN LOBE AIR BLOWER WITH SUITABLE FRAME AND ATTACHMENT FOR ERECTION at site in the existing pipe line with suitable attachments BLOWERS DATA (TWIN LOBE TYPE) Fluid Handled Vertical flow orientation,750m3/hr, Discharged Pressure 0.2 kg/cm3,Differential Pressure 0.2 kg/cm3,Proposed Operating Speed 1200 RPM with motor of 10 hp, soft starter, 1440 RPM, 3 phase, Inlet & Outlet of 100 NB, Used Discharge Line of 100 NB, used header pipe line 100 NB, Noise Level ( 1mt distance) of (69 +- 5 DB) Blower Temp 75% DRIVE DETAILS Drive V- Belt Driven Direction of Rotation Clock Wise As Viewed Pully MATERIAL OF CONSTRUCTION Main Casing, Side Plate & Rotor - CI, Gr.FG 260, IS 200(1993), Shaft EN19(BS970:1955), Gears- 20MnCr5/16MnCr5/BS970-3/AISI5120, Seals- Lip Seals ,Bearings - Anti Friction, Base Frame- M.S Fabricated LUBRICATION Pulley & Bearing Grease Packed ( Grade: AP2 ) Gear & Gears end Beraing Oil Splash ( Grade: Castroal Hypoy EP90 ) STANDARD ACCESSORIES INCLUDES a) Common Motor & Compressor based frame with motor base plate and belt tightening arrangement. b) Suction Silencer with suitable flanges. c) Suction Air Filter (Dry Bag Type) d) NRV ( Non Return Valve) e) V-Belt f) Belt Guard g) Pressure Gauge h) Pressure Relief valve ( Spring Loaded Types ) i) Compressor & Motor Pulley j) Foundation Bolt k) Interconnection Line with Flanges. All Rotor shaft Assemblies Dynamically Balanced to Gr. 6.3 ISO 1940/1(1986) Tested in Accordance to Standard Test Procedure (STP01) based on BS1571|1975 & ISO 1217 (1996). Rate including cost of all materials, foundation charges, loading, unloading, etc. complete as per direction of departmental officers at site

OD8671/2023-2024:Supply Installation and commissioning of the Ozone Disinfection system with following specifications. 1.Volume of the water to be treated - 30 m3/hr Ozone dosage required - 60gm/hr Application - Disinfection. 2.OZONE GENERATOR. Capacity of the ozone generator - 60 gm/hr. Ozone concentration - 9-10%w/w in oxygen. Cooling of electrodes - water cooled Electrode - High density ceramic No of electrodes - 5 Feed gas - Oxygen from concentrator Feed gas pressure - 0.5 to 0.8 bar. Feed gas flow rate - 8 LPM Feed gas quality - 92% purity, -40 deg C dew point. Cooling water flow rate - 5 LPM Cooling water inlet temperature - 15 to 35 deg C. Cooling water outlet temperature - 18 to 38 deg C. Cooling water quality - DM water/soft water Cooling water pressure - 1 to 2 bar. Power consumption of the ozonator - 900 watts Cabinet - SS430 powder coated Make - Aurozone Quantity - 1 No. 3.OXYGEN CONCENTRATOR: Capacity of the Oxygen concentrator - 10 LPM. Power consumption of the oxygen concentrator- 500 watts Power supply - 230V,50 Hz, single phase. Oxygen purity - 90 to 95 % v/v. Oxygen pressure - 0.5 to 1.0 bar Make - Nuvo Nidek, USA Quantity - 1No. 4.OZONE MIXING SYSTEM/CONTACT COLUMN Contact column size - Dia 790mm x 3.75mtr high MOC of the contact column - SS316, 16G thick Method of Ozone mixing - Ventury system. Ventury injector size - 1” BSP. Motive flow of water to the ventury - 4m3/hr Inlet pressure of the ventury - 2.5 to 3.5 bar Booster pump model - CHL 4-40, Nanfang or CRI. MOC of the pump - SS316 Power consumption of booster pump - 0.75 Kw,230 V, Single phase Make -Aurozone Quantity - 1set 5. COOLING WATER SYSTEM Cooling Tower capacity - 10 TR Cooling tower MOC/Type - FRP, Induced type Cooling tower fan motor - 3phase, 0.25hp Plate Heat Exchanger wetted parts - SS316 PHE design water flow rate - 20lpm Cooling water pumps - 0.5hp,CI, 1200LPH, 15mtr head Number of pumps - 2Nos( DM water -1No, Cooling Tower -1Nos) DM Water Storage tank capacity - 50litres Rate including cost of loading, unloading, foundation charges if any, etc complete including cost of all materials as per direction of departmental officers at site