Tender For Otr For Undertaking 12 K Routines On Ins Kamorta G3 Da, FMU (V)-Andhra Pradesh

Tender For Otr For Undertaking 12 K Routines On Ins Kamorta G3 Da , Services , Fuel System: ( A ) Clean And Calibrate Injectors And Record Test Pressure In Service Log . Also Change Injector Inlet Screen , ( B ) Replace Rocker Cover Gaskets . ( C ) Adjust Valve Tappet Clearances Within Limits And Record In Service Log . ( D ) Replace Fuel Pump Filter ( Screen And Magnet ) . ( E ) Calibrate Pt Pump And Record In Service Log . , Air System: ( A ) Clean Turbocharger , Compressor Wheel And Diffuser . ( B ) Check Turbo Charger Radial / End Bearing Clearance Insitu . ( C ) Renew O Ring And Teflon Gasket When Turbocharger Is Opened For Checking Clearances . ( D ) Torque Manifold Nuts Or Cap Screws As Per Specifications . , Charge Air Cooler & Fresh Water Cooler: ( A ) Clean The Internal Passages Of Charge Air Cooler And Fresh Water Cooler Coolant Side Using Restore Plus As Laid Down In Operating Manual . Pressure Testing To Be Undertaken . ( B ) Renew Coolant In The System . ( C ) Remove And Chemically Clean Fresh Water Cooler . Renew Gasket And O Rings . Pressure Testing To Be Undertaken , Vibration Damper: ( A ) Check Thickness Of Vibration Damper At 0 . 90 , 180 And 270 Degree Positions . ( B ) Replace Damper If Variation Of The 4 Readings Exceeds 0 . 010 Inch ( 0 . 25Mm ) Or Exceeds Max Allowable Thickness . Checks To Be Undertaken In Coupled Condition . , Check Crank End Clearances With A Dial Indicator , Attaching Against Damper Min- 0 . 13 Mm , Max-0 . 51 Mm . , Carry Out Visual Inspection Of Sv Mounts And Torque Tighting , Torque Tightening: Check Torque Tightening Of Coupling Inner / Outer Members As Specified In The Manual For Das Fitted With Holset Or Centamax Couplings . In Case Of Vulcan Couplings , Check For Cracks On Rubber And If Wear Mark Does Not Exceed Limits . Check Tightness Of Adapt Plate Bolts . Alignment : Undertake Alignment Checks Between The Generator And Engine . , Checking And Trails ( For All Engines ) Cold Checks , Hot Checks And Trails , Random Inspection Of Two Representative Liners And Bearings Of The Engines ( A ) Remove All Cylinder Heads For Decarbonisation , Pressure Testing And Vacuum Testing . ( B ) Gauging And Inspection Of Liner From Each Bank For Corrosion / Pitting Post Extraction . ( C ) Gauging Of Connecting Rod Big End Bearing / Small End Bushes Clearances And Examination Of Big End Shell For The Cylinders Opened . ( D ) Checking Condition Of Valve Gear Bracket , Transfer Sleeve Saelings Ring And Injector Tube . Inspection Of Valve Gear Parts And Valve Seat Inserts Of The Cylinder Head Opened ( E ) Examine Crank Pin Surfaces And Check For Ovality And Wear . ( F ) Examine Of Pistons For Wear And Gauge Piston Ring Clearances . , Anticipatory Scope Of Work ( A ) Inspection Of Balance Liners And Bearings Based On Inspection Report Of The Two Sample Liners . Replacement Of Cylinder Liners . ( B ) Renew Rings Based On Piston Rings Clearances During Gauging . ( C ) Replacement Of Pistons ( Per Pistons ) In Case Wear / Corrosion Is Observed Beyond Permissiable Limits . , Overhauling Of Lub Oil Filter Bed , Spares , Kit , Piston , Set , Piston Ring , Screw , Connecting Rod Cap , Guide Valve Stem , Tappet , Hyd Var Timing , Retainer , Screen , Spring , Injector , Ball , Check , Pin , Roll , Plug , Nut , Lock , Retainer , Injector Spring , Gasket , Turbocharger , Hose , Flexible , Seal , O Ring , Bearing , Ball , Shaft , Tachometer Drive , Gear , Tachometer Drive , Seal , O Ring , Seal , O Ring , Barrel & Plunger , Kit , Seal , Seal , O Ring , Seal , Rectangular Strip , Seal , Dust , Filler , Cap , Seal , O Ring , Seal , O Ring , Seal , O Ring , Gasket , Lub Oil Clr Cover , Plug , Zinc Electrode , Seal , Lta Fitting O-Ring , Anticipatory Spares , Shield , Turbocharger Heat , Impeller , Tur Compressor

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	07-Jan-2021	Bid Auto Extn Corrigendum	Bid Auto Extn Corrigendum	14-01-2021

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Name of Work: OTR for undertaking 12 K routines on INS Kamorta G3 DA
	Sl. No.	Description of Services / Spares	HSN / SAC Code	QTY	Units
1	1	Services
2	1.01	Fuel System:\n\n(a) Clean and calibrate injectors and record test pressure in service log. also change injector inlet screen, \n(b) Replace rocker cover gaskets. \n(c) Adjust valve tappet clearances within limits and record in service log. \n(d) Replace fuel pump filter (screen and magnet). \n(e)Calibrate PT pump and record in service log.		1	No.s
3	1.02	Air system:\n\n(a) Clean turbocharger, compressor wheel and diffuser.\n(b) Check turbo charger radial/end bearing clearance INSITU.\n(c) Renew O ring and teflon gasket when turbocharger is opened for checking clearances.\n(d) Torque manifold nuts or cap screws as per specifications.		1	No.s
4	1.03	Charge Air Cooler & Fresh Water Cooler:\n\n(a) Clean the internal passages of Charge Air Cooler and Fresh water cooler coolant side using Restore Plus as laid down in operating manual. Pressure testing to be undertaken. \n(b) Renew coolant in the system.\n(c)Remove and chemically clean fresh water cooler. Renew gasket and O rings. Pressure testing to be undertaken		1	No.s
5	1.04	Vibration Damper: \n \n(a) Check thickness of vibration damper at 0. 90,180 and 270 Degree positions. \n(b) Replace damper if variation of the 4 readings exceeds 0.010 inch (0.25mm) or exceeds max allowable thickness. Checks to be undertaken in coupled condition.\n		1	No.s
6	1.05	Check crank end clearances with a dial indicator, attaching against damper Min- 0.13 mm, Max-0.51 mm.		1	No.s
7	1.06	Carry out visual inspection of sv mounts and torque tighting		1	No.s
8	1.07	Torque Tightening:\n\nCheck torque tightening of coupling inner/outer members as specified in the manual for DAs fitted with Holset or Centamax couplings . In case of Vulcan couplings, check for cracks on rubber and if wear mark does not exceed limits. Check tightness of adapt plate bolts.\n\nAlignment : \n\nUndertake alignment checks between the generator and engine.\n\n		1	No.s
9	1.08	Checking and trails ( for all engines)\n cold checks, hot checks and trails		1	No.s
10	1.09	Random inspection of two representative liners and bearings of the engines \n(a) Remove all cylinder heads for decarbonisation, pressure testing and vacuum testing.\n(b) Gauging and inspection of liner from each bank for corrosion / pitting post extraction.\n(c) Gauging of connecting rod big end bearing/ small end bushes clearances and examination of big end shell for the cylinders opened.\n(d) Checking condition of valve gear bracket, transfer sleeve saelings ring and injector tube. Inspection of valve gear parts and valve seat inserts of the cylinder head opened \n(e) Examine crank pin surfaces and check for ovality and wear.\n(f) Examine of pistons for wear and gauge piston ring clearances.\n		1	No.s
11	1.1	Anticipatory scope of work\n(a) Inspection of balance liners and bearings based on inspection report of the two sample liners. Replacement of cylinder liners.\n(b) Renew rings based on piston rings clearances during gauging.\n(c) Replacement of pistons (per pistons) in case wear / corrosion is observed beyond permissiable limits.		1	No.s
12	1.11	Overhauling of lub oil filter bed		1	No.s
13	2	Spares
14	2.01	KIT,PISTON		16	No.s
15	2.02	SET,PISTON RING		16	No.s
16	2.03	SCREW,CONNECTING ROD CAP		32	No.s
17	2.04	GUIDE VALVE STEM		64	No.s
18	2.05	TAPPET,HYD VAR TIMING		16	No.s
19	2.06	RETAINER,SCREEN		16	No.s
20	2.07	SPRING,INJECTOR		16	No.s
21	2.08	BALL,CHECK		16	No.s
22	2.09	PIN,ROLL		32	No.s
23	2.1	PLUG		16	No.s
24	2.11	NUT,LOCK		16	No.s
25	2.12	RETAINER,INJECTOR SPRING		16	No.s
26	2.13	GASKET,TURBOCHARGER		2	No.s
27	2.14	HOSE,FLEXIBLE		1	No.s
28	2.15	SEAL,O RING		8	No.s
29	2.16	BEARING,BALL		1	No.s
30	2.17	SHAFT,TACHOMETER DRIVE		1	No.s
31	2.18	GEAR,TACHOMETER DRIVE		1	No.s
32	2.19	SEAL,O RING		2	No.s
33	2.2	SEAL,O RING		1	No.s
34	2.21	BARREL & PLUNGER		1	No.s
35	2.22	KIT,SEAL		1	No.s
36	2.23	SEAL,O RING		5	No.s
37	2.24	SEAL,RECTANGULAR STRIP		4	No.s
38	2.25	SEAL,DUST		16	No.s
39	2.26	FILLER, CAP		1	No.s
40	2.27	SEAL,O RING		4	No.s
41	2.28	SEAL,O RING		4	No.s
42	2.29	SEAL,O RING		2	No.s
43	2.3	GASKET,LUB OIL CLR COVER		8	No.s
44	2.31	PLUG,ZINC ELECTRODE		1	No.s
45	2.32	SEAL,LTA FITTING O-RING		2	No.s
46	3	ANTICIPATORY SPARES
47	3.01	SHIELD,TURBOCHARGER HEAT		2	No.s
48	3.02	IMPELLER,TUR COMPRESSOR		2	No.s