RUDDER ROUTINES ON INS JAMUNA

Amount

VESSEL : INS JAMUNA WO.NO:22040 DL NOS : 20170,20171,10004.01,10004.02. SUB: RUDDER ROUTINES ON INS JAMUNA DURATION : 30 DAYS Note: Scope of work involves supply of consumables like bolts & nuts,cement,lifting belts and chain pulleys (with load test certificate), measuring instruments NDT test are under vendor scope.Dry ice, cement during fitment of palm bolts to be arranged by vendor. Satisfactory trials to be offered and sea trials to be attended.

Rudder palm bolts to be removed and disconnect the rudder from stock.Post completion of routines cement to be appllied on the palm bolts on both port and stbd rudders

Rudder palm bolts DP & MPI test to be carried out on both port and stbd rudders by qualified technician.scope involves arranging dp test kits,NDT certified technician and execution is under vendor scope.

Rudder neck bush seal to be replaced

Rudder neck bush seal housing studs to be retapped and new studs to be replaced.Metal builtup to carry out for worn out portions

Rudder gland packing (graphite ) marine grade approx dia:40mm x4mtr .to be replaced(gland packing supply is under vendor scope).

Rudder bearing clearances to be recorded before and after fitment using feeler gauges.report to be submitted.Jumping clearances to be recorded before and after rudder routines.jumping to be adjusted as per the instructions of HSL/new jumping bars to be welded.

Rudder stock to be removed & refitted by removing the hydraulic actuator unit in steering gear compartment.While refitting seals to be mounted with care.Seals HSL supply.

Rudder stock NDT test to be carried out to check for any cracks using MPI.scope involves arranging dp test kits, NDT certified technician and execution is under vendor scope.

calibration of rudder stock journal and bearings areas,with calibrated measuring instruments(under vendor scope) . Report to be submitted

Rudder to be float coated with bituminous solution (to be supplied by vendor)

Rudder to be hydro pressure tested for any leaks. If any leaks found the same will be attended by HSL,final pressure test to be carried out.

Rudder top bush to be replaced. scope involves machining of bush to the required tolerance. fitment using dry ice.Bush HSL supply.machining is under vendor scope.

Rudder neck bush to be replaced. scope involves machining of bush to the required tolerance. fitment using dry ice.Bush HSL supply.machining is under vendor scope.

Steering gear hydraulic system to be flushed.vendor has to make his own arrangement for flushing.Flushing unit and filters of required microns to obtain NAS value 5. Power and oil will be provided by hsl.Flushing to be continued till oil nas value reaches to NAS 5.hydraulic oil sample test to be carried out by vendor and report to be submitted.

SRI SRINIVASA ENGINEERING WORKS (BID ID -415928)

SRISAI OILFIELD EQUIPMENTS AND MARINE SERVICES PVT LTD (BID ID -415903)