Overhauling of Cable Traction Control Unit (CTCU) in presence of OEM service engineer on ORV SINDHU SADHANA

Amount

Overhauling of Cable Traction Control Unit(CTCU) to be carried out in presence of OEM service engineer.OEM service engineer will be arranged by HSL. For below works contractor has to provide minimum manpower daily-10 members skilled manpower(technicians and riggers) and 10 members semi-skilled manpower for satisfactory trials of the system.

A. Cable Traction Control Unit(CTCU) MAKE:KONGSBERG Maritime CM AS, Replacement of shaft Seal of main Gear 1&2 CTCU DOUBLE GROVE 25TE SWL in Winch Room (Spares will be provided by NIO) Scope of the work Draining Gear oil from main gear box CTCU aprrox.270 ltrs each.Disconnecting end cover and shaft from CTCU.Preparation of seal and O-ring work on CTCU. Rigging tools and chain block and making pipe to support the weight of main shaft inside CTCU.Disconnect end cover and Removing end cover and shaft from CTCU, piece by piece. After disconnecting Cleaning inside the CTCU.Shaft,gear and O-ring groove to be polished inside CTCU.Cleaning all bolts and refresh threads on bolts and sheave.Checking of bearing.O-ring and seal to be replaced.Tightening all bolt with correct torque.Filling oil in main gear box CTCU, approx. 270 ltr.each.After assembling the CTCU need to be tested with load of 25 T. Workshop support should be provided to the OEM personnel as an when require during removal and refittment of CTCU Gear box assembly.All Scientific Winch, HPU and CTCU Coolers need to be pressure checked.All PVG valves need to be checked for leakage. Main Gear box 1 and 2 of CTCU are leaking and the same need to rectified by replacing seals and o-rings.gear oil to be filled in CTCU ,Make:Shell Omala,Type: S4 GX 220 ,Qty 4 barrel.After completion of job harbour trial and sea trail to be coducted in presence of Owner representative.All above jobs must be carried out in pressence of OEM.(Spares and Gear oil will be arranged by HSL ), All consumables are procure and supply under contractor scope.Certified tools,measuring insruments,torque wrinches (OEM requirments),welding,machining,brazing,buidup works,staggings are under contractor scope. Calibration and test certificates to be provided for lifting and measuring equipments.

B. Control System upgrade from NICE to PLC of Graphical User Interface(GUI) module onboard RV Sindhu Sadhana.(Spares will be provided by NIO) Scope of the work 1 Set PLC upgrade from NISE controller and including new GUI 19-inch Maritime Multi Computer - Touch screen-3 nos,Bracket VESA for 19-inch Maritime Multi Computer-3nos,Simatic S7-300 central processing unit-1nos. along with other associate items.Software needed to upgrade control system from a controller, NICE 3220, based system to a PLC system.Hardware needed to upgraded Cable & Wiring Diagrams with new and updated equipment.Electrical components needed to upgrade current system to PLC.The existing touch screens are out of date and the replacement screens needs updated GUI/HMI. The existing touch screens are not available for purchase and needs to be upgraded.Standard documentation, "User & Maintenance Manual" in one (1) electrical copy.Updated wiring diagram,Updated user manual,Updated spare part list and one backup copy of GUI software.During service and repair job if any adiitional spares are required vendor has to arrange.After installation and commisioning to be done at harbour and at sea in presence of Owner representative/NIO.

C. OVERHAULING OF INBOARD DAMPER CTCU ASSEMBLY in Winch Room Scope of the work Over hauling of Sheave house, assembly of inboard damper of CTCU. Checking of all seals and bearing to be done and replace If any found defective.After overauling Charging of oil and gas need to be done.After completion of job harbour trial and sea trail to be coducted in presence of Owner representative.AL09 HP accumulator charge pressure low showing on GUI panel and same needs to be rectified. All consumables and Other then OEM spares are procure and supply under contractor scope. All Certified tools,measuring insruments,torque wrinches (OEM requirments),welding,machining,brazing,buidup works,staggings are under contractor scope.

D. During OEM visit complete health check of entrire Rolls royce( KONGSBERG) Deck machinery and winch system onboard Sindhu Sadhana needs to be carried out in presence of OEM engineer for the smooth running of the system.

DP SYSTEM - KONGSBERG DP Trails to be carried out in presence of OEM. HIPAP TRANSPONDER to be inspected and calibirated in presence of OEM.

To drain the hydraulic oil from the winch system HPU quantity App 4000 Lts, cleaning of HPU tank, replacement of all filters and replenishment with new hydraulic oil.( oil and filters will be supplied by NIO)

SRISAI OILFIELD EQUIPMENTS AND MARINE SERVICES PVT LTD

JAMI HYDRAULIC