Azimuth thruster and Bow thruster cooling system and fresh water system works on ORV SINDHU SADHANA

Amount

Azimuth thruster cooling system: 1. Azimuth thruster cooling system to be drained(glycol cooling liquid).Cooling system must be flushed with OEM recommended chemicals. After chemical cleaning, system has to be flushed with fresh water,for system flushing contractor to arrange external flushing pump,filtes and connectors and suit to system,System must be replenished with new coolant.Glycol cooler to be removed,dismantled, cleaned,assembled with new gaskets and pressure tested.Inspection and cleaning of glycol cooling Filters,Inspection and cleaning of Expansion tank,Replacement of Level Sensor,Tighten all the bolts and nuts in the cabinet with OEM recommended torque value. Use a calibrated torque wrench.Requirement of chemical and glycol(contractor supply) Unitor Commissioning Cleaner : 25 litres,Coolant ELF Auto Supra 37 degree celsius : 400 litres.Sea trails to be carried out in presence of OEM engineers.all required materials and consumables are procure,supply and fitment in contractor scope.

Bow thruster cooling system: 2. Bow thruster cooling system to be drained(glycol cooling liquid).Cooling system must be flushed with OEM recommended chemicals. After chemical cleaning, system has to be flushed with fresh water,for system flushing contractor to arrange external flushing pump,filtes and connectors and suit to system.System must be replenished with new coolant.Glycol cooler to be removed,dismantled, cleaned,assembled with new gaskets and pressure tested.Inspection and cleaning of glycol cooling Filters,Inspection and cleaning of Expansion tank,Replacement of Level Sensor,Tighten all the bolts and nuts in the cabinet with OEM recommended torque value. Use a calibrated torque wrench.Requirement of chemical and glycol(contractor supply) Unitor Commissioning Cleaner : 25 litres,Coolant ELF Auto Supra 37 degree celsius : 400 litres.Sea trails to be carried out in presence of OEM engineers.all required materials and consumables are procure,supply and fitment in contractor scope.

Fresh water internal transfer between tank to tank arrangement to be provided 1.Arrangement for FW internal transfer to be provided as per IRS approved drawing Details of the modification - A separate 10 m3/hr capacity FW Transfer pump of reputed indigeneous brand to be installed for the FW Internal transfer. The necessary base to be fabricted for installing the pump. The suction of the pump to be connected to the existing FW hydrophore pump suction with an isolating valve arrangement. The discharge of the pump has to be connected to the FW bunker filling line. The necessary pump suction/discharge valves to be provided. An additional SDNR valve to be provided at the discharge side of the pump. Materials required: 2 inch size GI pipeline length - 15mtrs, Two Valves - 50 NB size Gate valve in suction and discharge side of pump ,one isolation valve -50 NB SDNR to be provided before the pipeline joining point on the main FW filling line. Flanges as per fabrication requirement. All the materials, accessories, fabrication materials required are under contractor scope. 2.Procure,supply,fitment and trials of new Fresh water transfer pump and motor along with control panel in contractor scope. Type: Vertical centrifugal,Pump capacity: 10 m3/hr,Head: 60 mtrs. Rpm: 2950. Working pressure - 5 bar,Power: 7.5 kw, 415v, 50hz. 3. Procure,supply and fitment of new 50 NB valves (Gate valves-2 nos,SDNR valve-1 no) in contractor scope. 4.Supply of required pipe line materials are in HSL scope.( 2 inch size GI pipeline, length - 15mtrs) 5. All required ss fasteners, joints and fabrication materials are in contractor scope.

SRISAI OILFIELD EQUIPMENTS AND MARINE SERVICES PVT LTD

VIZAG ENGINEERING

Vijaya Lakshmi Industries

KRYSTAL ENGINEERING TECHNOLOGIES

gk engineering works