Propeller, Rudder and Bow thruster works on MFV Mastya Darshini

Amount

MFV Mastya Darshini SR 22041/ E1 - E8, E9 - E13, E29 & E30 Propeller, Rudder & Bow thruster works

i) The Propeller shaft is to be withdrawn, dismantled all parts including CPP are to be cleaned. The propeller and tail shaft survey is to be carried out - 01no ii) CPP system is to be serviced. Pitch control rod to be greased. Zero pitch is to be proved in the propeller at Engine room and wheel house - 01no iii) Propeller drop is to be recorded before dismantling & after assembling - 01no iv) Renewal of FWD and AFT seals including chrome liners (Shaft seals and liners are to be supplied by Shipyard) - 02nos v) Removal, cleaning, and refitting with wire lasing of rope guard - 01no vi) Propeller blades. polishing & varnishing to be applied - 01no vii) Propeller shaft MP test in presence of MMD/IRS - 01no viii)DP Test to be carried out in the propeller blades in presence of MMD/IRS - 01no NOTE: a)The above work activities to be offered to Surveyor, MMD Visakhapatnam for inspection. As per the recommendations of the Surveyor carry out all repairs and offered to the Surveyor for final survey / inspection. b) All consumables like ,grease, varnish, sealant putty, tallow, adaptors, ss rope cutters,wrapping sheets, copper washers and ss lashing wires, polishing emery rolls ,ss fasteners, DP test kits procurement, supply and fitment in contractor scope. all machining works, hydraulic power packs, hydraulic jacks, pullers,Certified chain pulleys & belts, required staging, welding and gas cutting works are in contractor scope. compressed air, gas and cranes will be arranged by HSL. Blanking is to be done if required covered in contractor scope.

i) Removal and re fixing of Rudder. ii) Pressure testing and float coating- 01No iii) Rudder drop is to be measured and recorded -01No iv) Rudder jumping clearance is to be measured and recorded -01No v) The rudder pintle and bush clearances are to be measured and recorded- 01No vi) Rudder Trunk to be cleaned-01no NOTE: a)Rudder drop & jumping clearance are to be measured and recorded The same is to be offered to the MMD Surveyor for inspection b)All consumables like fish oil,grease, sealant putty/cement, copper washers,dummyplugs are procurement, supply and fitment in contractor scope. All machining works, hydraulic jacks, chain pulleys, required staging, welding and gas cutting works are in contractor scope. compressed air, gas and cranes will be arranged by HSL. Blanking is to be done if required and is covereed on contractor scope.

Forward and Aft Bow thrusters are to be made operational. Both the bow thrusters blades to be buffed and varnished. Both the bow thrusters Sea chest gratings are be removed, cleaned painted and fitted back in its original position with wire lasing.

i) Bow thruster blades (F & A) are to be buffed & varnished

ii) Bow thruster gratings (F & A), removal, cleaning, painting & re-fitment.

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