Hindustan Shipyard Limited Tender
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Hindustan Shipyard Limited - HSL Tender
Aerospace and Defence
Eprocure
Opening Date2 Apr 2025
Closing Date4 Apr 2025
Tender AmountRefer Documents
Costs
EMD
₹ 10,000Document Cost
Refer DocumentsTender Fee
₹ 525
Description
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Contact
Tender Id
2025_HSL_97034_1Tender No
20 / 22033 / 004 / Propeller and rudder routine Works / 2025-26Tender Authority
Hindustan Shipyard Limited ViewPurchaser Address
-Website
http://https://www.hslvizag.in/
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Documents
Commercial Questionnaire, HSL GTC, GST Compliance and Check List
BOQ Items
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Check the rudder stock shaft condition and Dye penetration test to be carried out.
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Stuffing box area and shaft clearance to be checked and measured.
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Material identification to carryout. Trueness check of rudder stock. UT scanning of rudder stock to ensure soundness of parent metal and identify sub surface defects. Clean the surface. Machining / Grinding of damaged stock to make undercut at bearing journal area, gland packing area. Post machining, DP Test of the affected area to check for cracks. Preheating of stock at affected area for weld repairs upto 200C. Weld repair to carry out as per WPS. Runout check and final machining. Stress relieving and dimension check. NDT to carry out after final repairs.
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Rudder carrier bearing to be inspected, check the condition, clean and Fit back.
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Contractor to Procure and supply new carrier bearing.
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Rudder to be pressure tested, float coat to be carried out and refitted. Vent and Drain plugs Opening and Fitback. Cementing the plugs. Fish oil, cement and other materials contractor supply.
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Rudder hydraulic rams to be serviced (ram seals to be renewed and pressure tested). Inspect rams surface for any damages, check the trueness of rams. All flexible high pressure hoses, valves to be removed cleaned and Fitted back. Grease points to be cleaned and made operational. All material vendor supply.
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Chrome Lining of Rams to be carried out, contractor to arrange transportation. Chrome plating to be done as per standards.
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Propeller to be dismantled, Shaft drawn out and make ready for survey (before removing, propeller drop to be measured, reason for oil leak to be ascertained).Rope Guard to Remove and Refit. Oil to be drained in clean drums. Stern Tube bearings clearances to be measured. After completion of shafting works, new oil to be filled in stern tube and hold for 24 Hrs. to check the leakages.
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Stern tube bearings to be renewed inboard and outboard (New bearings HSL Supply). Old bearings to be removed and new bearings to be installed. Machining, dry ice and other consumables vendor has to supply.
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Tail shaft to be removed, MPT & DPT to be carried out. All coupling bolts to be secured, cleaned if any found damage to be replace new by contractor. All materials vendor to supply.
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Intermediate shaft to be removed chipped, Scrapped and Dye penetration test to be carried out. After completion of work one coat of Red oxide and 2 coat of anti-rust paint to be applied. All materials vendor supply.
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Plummer block bearings to be opened, inspected, cleaned and installed back.
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New Plummer block bearing to supply (Anti Frictional Roller Bearings). Material vendor to arrange.
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Shaft seal housing and chrome liner to be removed, repaired by Metal spray and machined to required dimensions and install back. ( Inboard & Outboard )
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Shaft seal housing and chrome liner to be removed, supply new as per original, install back. (Inboard & Outboard). New material vendor to arrange
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Stem tube shaft seals to be renewed (inboard 2 No’s oil seal and Outboard 2 no’s oil seal and 01 No water seal) new seals are to be arranged by contractor (quality of seals to be on top priority). Seals to withstand temperatures greater than 100 Degree Celsius.
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Propeller to be cleaned, Dye Penetration test to be carried out, Polished and varnished. All materials vendor supply.
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Kort nozzle to be drained, pitting to metal build-ups to be carried, pressure tested and filled with oil. Fish oil, cement for plugs and other materials vendor supply.
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Stern tube oil tank cleaning to carried out (0.05m3 capacity)
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Stern tube system hand pump to be renewed, Inlet and outlet pipe sizes ½”.
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