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| 1 | The following HP Air Bottles to be removed from position,shifted to workshop, chemically cleaned,pressure tested,shown to surveyor,fitted back in position and operation to be showned to ship staff.all required materials and consumables are in contractor scope.2.The following HP Air system valves to be overhauled and renwed as per annexure-A |
| 2 | MAIN ENGINE STARTING AIR BOTTLES (2000 LTRS) |
| 3 | Overhaul defective bottle head assembly valves, Post overhauling, pressure test the bottle along with assembly.Bottle Working Pressure - 0-30 BarBottle Test Pressure - 0-40 Bar |
| 4 | Check for correct functioning of system gauges, Calibrate all.Pressure Gauge - 0-40 Bar. |
| 5 | Procure,supply and replace the defective Pressure Gauge - 0-40 Bar.(Anticipatory) |
| 6 | Refit 25% (04 out of 16) system valves and carry out pressure testing of system valves.Test Pressure - 45 Bar, Size - 40mm, Material - SS. |
| 7 | Procure,supply and replace the defective valves.40mm dia, SS Body, 45 Bar(Anticipatory) |
| 8 | Calibrate all HP air reducers and relief valves.Air Reducer - 200 to 30 Bar, Qty 04, Material - SSAir Relief Valves - Set Pressure 33 Bar, Qty 04, Material - SS |
| 9 | Procure,supply and replace the defective reducers and valves(Anticipatory) Air Reducer - 200 to 30 Bar, Qty 04, Material - SSAir Relief Valves - Set Pressure 33 Bar, Qty 04, Material - SS |
| 10 | Carryout functional checks of all instrumentation and sensors. Undertake calibration/ repairs. Renew defective instrumentation and sensors. Instrumentation includes pressure gauges of range 0-40 Bar |
| 11 | DA STARTING AIR BOTTLE(250 Ltrs) |
| 12 | Overhaul defective bottle head assembly valves. Post overhauling, pressure test the bottle along withassembly. Provide test certificates from NABL affilated LABS.Test Pressure - 45 Bar |
| 13 | Overhauling of the following valves.Valve type - SD Valve, Dia - 20mm, Mat - SS, Test Pressure - 45 Bar,Qty - 03 Valve type - Ball Valve, Dia - 20mm, Mat - SS, Test Pressure - 45 Bar,Qty - 03 Valve type - SD Valve, Dia - 25mm, Mat - SS, Test Pressure - 45 Bar,Qty - 03 |
| 14 | Check for correct functioning of system relief valves. Carry out calibration of relief valves.(a) Capacity : 250 Ltrs; Set Value: 33 bar, Mat - SS |
| 15 | Procure,supply and replace the defective system relief valves(Anticipatory) Capacity : 250 Ltrs; Set Value: 33 bar, Mat - SS |
| 16 | Refit 25% (05 out of 21) system valves and carry out pressure testing of system valves. (a)Dia: 50 mm; Qty : 02, Type - check Valve, Mat - Cast steel(b) Dia: 50mm; Qty : 03, Type - Plug Valve, Mat - Cast steel |
| 17 | Procure,supply and replace the defective system relief valves(Anticipatory) (a)Dia: 50 mm; Qty : 02, Type - check Valve, Mat - Cast steel(b) Dia: 50mm; Qty : 03, Type - Plug Valve, Mat - Cast steel |
| 18 | Calibrate all HP air reducers & relief valves.Reducer,Dia: 50 mm; Working Range Value: 30 bar to 10 bar; Qty - 03 Relief Valve,Dia: 50 mm; Working Set Value: 11.5 bar; Qty - 03 |
| 19 | Carryout calibration/functional checks of all instrumentation and sensors. Undertake calibration/ repairs, if required(a) Pressure Gauge; Working Range : 0-70 bar; Qty - 03(b) Pressure Sensor; Working Range: 0-400 bar; Qty - 03(d) Air Starter Solenoid valve; rating: 24 VDC; Qty- 03 |
| 20 | HP AIR BOTTLE (258 LTRS) |
| 21 | Pressure test the HP Air bottle along with assemblyAir bottle-Test Pressure - 45 Bar |
| 22 | Overhaul defective bottle head assembly valves.Valve type - SD Valve, Dia - 32mm, Mat - SS, Test Pressure - 15 Bar,Qty -02 Valve type - Ball Valve, Dia - 40mm,Mat - SS, Test Pressure - 15 Bar,Qty -01 |
| 23 | Procure,supply and replace all leaking plug/ball valves. Dia - 40mm,Mat - SS, Test Pressure - 45 Bar |
| 24 | Calibrate all HP air reducers/ relief valves.Capacity - 258 ltrs; Set Point - 220 |
| 25 | HP AIR Bottle (reservior) 200 Bar (258 Ltrs) |
| 26 | Pressure testing upto 300 Bar of HP air reservoir to be undertaken.Test certificate to be provided. |
| 27 | Refit 25% (40 out of 120) Overhauling of valve to be carried out. Defective need to be replaced and carry out pressure testing of system valves.(a) Dia : 50 mm ; Type - NR Valve ; Working Range: 0-200 bar; Qty - 02(b) Dia : 50 mm ; Type - Ball Valve ; Working Range: 0-10 bar; Qty - 02 (c ) Dia : 40 mm; Type - Ball Valve; Working Range: 0-200 bar; Qty - 02(d) Dia : 32 mm; Type - Ball Valve; Working Range: 0-30 bar; Qty - 05(e) Dia : 50 mm ; Type - Ball Valve ; Working Range: 0-200 bar; Qty - 05(f) Dia : 40 mm ; Type - Ball Valve ; Working Range: 0-200 bar; Qty - 04(g) Dia : 25 mm ; Type - Ball Valve ; Working Range: 0-10 bar; Qty - 20 |
| 28 | Procure,supply and replace the defective valves.(Anticipatory)(a) Dia : 50 mm ; Type - NR Valve ; Working Range: 0-200 bar; Qty - 02(b) Dia : 50 mm ; Type - Ball Valve ; Working Range: 0-10 bar; Qty - 02 (c ) Dia : 40 mm; Type - Ball Valve; Working Range: 0-200 bar; Qty - 02(d) Dia : 32 mm; Type - Ball Valve; Working Range: 0-30 bar; Qty - 05(e) Dia : 50 mm ; Type - Ball Valve ; Working Range: 0-200 bar; Qty - 05(f) Dia : 40 mm ; Type - Ball Valve ; Working Range: 0-200 bar; Qty - 04(g) Dia : 25 mm ; Type - Ball Valve ; Working Range: 0-10 bar; Qty - 20 |
| 29 | Calibrate all HP air reducers & relief valves. Reducers:(a) Dia : 50 mm; Working Range: 200 bar to 10 bar; Qty -01(b) Dia : 50 mm; Working Range: 200 bar to 30 bar; Qty -06 (c ) Dia : 50 mm; Working Range: 200 bar to 150 bar; Qty -02(d) Dia : 40 mm; Working Range: 200 bar to 30 bar; Qty -02(e) Dia : 32 mm; Working Range: 30 bar to 8 bar; Qty -02(f) Dia : 50 mm; Working Range: 30 bar to 8 bar; Qty -02 Relief ValvesRelief Valve AMR I; Set Point – 31.5 bar; Qty - 02(b) Relief Valve AMR II; Set Point – 31.5 bar; Qty – 02(c) Relief Valve AMR II; Set Point – 9.5 bar; Qty - 02(d) Relief Valve MER; Set Point – 31.5 bar; Qty – 02(e) Relief Valve RAS Line MER; Set Point – 11.5 bar; Qty - 02 |
| 30 | Procure,supply and replace the defective relief valves and reducers.(Anticipatory). Reducers:(a) Dia : 50 mm; Working Range: 200 bar to 10 bar; Qty -01(b) Dia : 50 mm; Working Range: 200 bar to 30 bar; Qty -06 (c ) Dia : 50 mm; Working Range: 200 bar to 150 bar; Qty -02(d) Dia : 40 mm; Working Range: 200 bar to 30 bar; Qty -02(e) Dia : 32 mm; Working Range: 30 bar to 8 bar; Qty -02(f) Dia : 50 mm; Working Range: 30 bar to 8 bar; Qty -02 Relief ValvesRelief Valve AMR I; Set Point – 31.5 bar; Qty - 02(b) Relief Valve AMR II; Set Point – 31.5 bar; Qty – 02(c) Relief Valve AMR II; Set Point – 9.5 bar; Qty - 02(d) Relief Valve MER; Set Point – 31.5 bar; Qty – 02(e) Relief Valve RAS Line MER; Set Point – 11.5 bar; Qty - 02 |
| 31 | Refit 25% (02 out of 08) system valves and carry out pressure testing of system valves.(a)Dia: 50 mm; Qty : 01, Type - Ball Valve, Mat - Cast steel(b)Dia: 50mm; Qty : 01, Type - SD Valve, Mat - Cast steel |
| 32 | Calibrate all HP air reducers & relief valves.Reducer(a) Dia: 32 mm; Working Range Value: 30 bar to 10 bar; Qty - 02 Relief Valve(b) Dia: 50 mm; Working Set Value: 9.5 bar; Qty - 02 |
| 33 | Calibrate all HP air reducers/ relief valves.Capacity - 258 ltrs; Set Point - 220; Qty - 06(For 6 HP air Receiver installed onboard) |
| 34 | SERVICE AIR RECEIVER |
| 35 | Check for correct functioning of system relief valves. Carry out calibration of relief valves.(a) Capacity : 1000 Ltrs; Set Value: 9.5 bar, Mat - SS |
| 36 | Carryout calibration/functional checks of all instrumentation and sensors. Undertake calibration/ repairs(a) Pressure Gauge; Working Range : 0-14 bar; Qty - 01(b) Pressure Sensor; Working Range: 0-25 bar; Qty - 01 |
| 37 | Minor air leakage observed from DA air starting system valves in AMR 1 compartment. Suspect valve seat perished. Carry out overhauling of valves.Type - Plug valve,ball full bore, Size - 40mm, Mat - Cast/steel, PN - 45 Bar Qty - 02Type - Plug valve,ball full bore, Size - 50mm, Mat - Cast/steel, PN - 45 Bar Qty - 2 Type - SDNR, Size - 40mm, Mat - Cast/steel, PN - 45 Bar Qty - 03 |
| 38 | Procure,supply and replace the defective system valvesType - Plug valve,ball full bore, Size - 40mm, Mat - Cast/steel, PN - 45 Bar Qty - 02 Type - Plug valve,ball full bore, Size - 50mm, Mat - Cast/steel, PN - 45 Bar Qty - 2 Type - SDNR, Size - 40mm, Mat - Cast/steel, PN - 45 Bar Qty - 03 |
| 39 | Carry out overhauling of 25% of system valves of following system:-(a) Starting air system:- 25% (05 out of 20)(i) Dia: 40 m; Qty - 03, Type - Plug Valve, PN - 45 Bar(ii) Dia : 50 m; Qty- 02, Type -SDNR, Mat - CS,PN - 45 Bar(b) Fuel system:- 25% (05 out of 20)(i) Dia: 25 m; Qty - 04, Type - Ball Valve, Mat - CS, PN - 10 Bar (c)Sea water System :- 25% (09 out of 35)(i) Dia : 125 mm, Qty - 02 ; Type: Butterfly, Mat - NAB, PN - 10 Bar(ii) Dia: 80 mm, Qty - 02, Type - SD, Mat - NAB, PN - 10 Bar(iii) Dia: 80 mm, Qty - 02, Type - Butterfly, Mat - NAB, PN - 10 Bar(iv) Dia: 50 mm, Qty - 02, Type - SDNR, Mat - NAB,PN - 10 Bar(v) Dia : 125 MM, Qty - 01, Type - SDNR, Mat - NAB,PN - 10 Bar Please Enable Macros to View BoQ information |