PIPELINE AND VALVE PACKAGE JOB FOR THE VESSEL ICGS SAMUDRA PAHEREDAR AT CKSRU, KOLKATA

A) UNDER WATER VALVES

Following under water butterfly valves to be removed, overhauled, pressure tested, Painted and refitted back in position. EA 3051

Test pressure: a) Sl-1, 2, 3, 4, 5, 13, 14, 15, 18, 20 & 21 - 4.5 Bar; b) Sl-6, 7, 8, 9, 16 & 19 - 12 Bar; c) Sl-11, 12 - 3 Bar; d) Sl- 10, 17 – 9 Bar

Sl NO. Equipment/ system Description Size/mm

1 Sea trunk (MER & DGR) Low Sea Chest suction 300 DN

2 Sea trunk (MER & DGR) High Sea Chest suction 350 DN

3 Main Engine S/W PP Suction from Sea trunk 200 DN

4 DA Aux S/W PP Suction from Sea trunk 200 DN

5 Central cooler Overboard 150 DN

6 Fire &GS pump (Fwd/Aft) Suction from Sea trunk 150 DN

7 Bilge & Fire pump Suction from Sea trunk 125 DN

8 Ballast pump (Fwd/Aft) Suction 150 DN

9 Ballast pump (Fwd/Aft) Overboard 125 DN

10 Emergency fire pump Suction 125 DN

11 A/C SW pump Suction 150 DN

12 A/C SW pump Overboard 125 DN

13 RO plant Sea tube Suction 50 DN

14 HDG S/W Suction 65 DN

15 HDG Overhead 65 DN

16 Bilge Sys Overhead 125 DN

17 Emerg fire pump Suction & Overboard 25 DN

18 RO pump Overboard 150 DN

19 Eductor No. 1 to 6 Overboard 80 DN

20 WHR SW pump Suction & Overboard 80 DN

21 OBWS Overboard 65 DN

Renewal of valve spindle. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve lid. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve bridge block. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of rubber seat (Neoprene / Vulcanizing). Material contractor supply.

Following under water Stop valves/ Stop NRV valves of various systems to be removed, overhauled, pressure tested and refitted.

Test pressure- 4.0 bar

Equipment/ system Description Size/mm

Ref. SW pump suction 32 DN

Ref. SW pump Overboard 40 DN

OBW Separator Overboard 40 DN

RO plant Overboard 40 DN

Fi-Fi Pump Drain to OBD 50 DN

Fire &GS Pump Overboard 50 DN

Magazine flooding Suction 200 DN

Renewal of seat. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve bridge block. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of lid. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve spindle/stem. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Magazine direct flooding valve operating mechanism consist of rod and gear mechanism operated from foxle. Full set of rod and gear mechanism from foxle to Magazine compt. to be overhauled and system to be proved. *** All materials, consumables, fastners and spares are included in contractor's scope of work.

Following under water NR Flap valves to be removed, overhauled, pressure tested and refitted. Worn-out parts to be renewed.

Test pressure -4.0 bar

Location/ system Description Size/mm

WHR S/W pump Overboard 80 DN

HDG S/W pump Overboard 65 DN

Central Cooler Overboard 150 DN

A/C SW Sys Overboard 125 DN

Ballast Pump Disc Overboard 125 DN

Bilge Pump Disc Overboard 125 DN

Renewal of seat including. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve bridge block Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of lid. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Following sea trunk under water air blowing (Stop) and vent (Butterfly) valves to be removed, overhauled, pressure tested and proved in the system. Deteriorated parts to be renewed.

Test pressure-10.5 bar

Location/ system Description Size/mm

Sea trunk (DGR & MER) Sea Vent Butterfly 65DN

Emergency fire pump Sea Vent Butterfly 50DN

Fi-Fi sea Chest Sea Vent Butterfly 100DN

Ballast Pump Sea Vent Butterfly 80DN

Sea trunk (DGR & MER) Air Blowing (Stop NRV) 15DN

Sea trunk (DGR & MER) Air Blowing (Stop NRV) 15DN

Fi-Fi sea Chest Air Blowing (Stop NRV) 35DN

Fi-Fi sea Chest Air Blowing (Stop NRV) 35DN

Sea trunk (DGR & MER) Sea Vent Butterfly 25DN

Renewal of valve spindle/stem. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve lid. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve bridge block. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of rubber seat (Neoprine / Vulcanizing) including materials

Both Main Engine centralized cooler sea water outlet NRV (150 DN) flap holding spring & mechanism deteriorated and NRV malfunctioning. NRV to be overhauled and proved.

a) Underwater storm valve to be overhauled, and pressure tested. (4.0 BAR). Dia-80 mm

a) Underwater storm valve to be overhauled, and pressure tested. (4.0 BAR). Dia-65mm

Renewal of valve lid including materials -dia 80mm

Renewal of valve spindle/stem including materials -dia 80mm

Renewal of valve lid including materials -dia 65mm

Renewal of valve spindle/stem including materials -dia 65mm

FIXED LOCAL WATER MIST SYSTEM MAKE : TYCO ,TYPE: 913 SYSTEM(ASP)

(e) Chemically clean and pressure test of system pipe lines including galvanizing, dia: 40 mm

(f) Overhaul, pressure test and refit system valves, Size:40mm

(g) Calibrate system gauges /pressure switches.

HELIDECK FOAM SYSTEM MAKE : TYCO, TYPE : TYCO – HED – 04, CAPACITY : 300LTRS FOR 10 MIN, 2000 LTRS/ MIN

(a) Chemical cleaning & pressure testing of system pipe lines. Dia of pipe-65 m.

(b) Overhaul and pressure test of system valves . Valves types- Butterfly, size-65 mm, All damaged parts renewal under contractor's scope.

(c) Check that monitors are easy to move and that the locking equipment’s work properly. Lubricate the foe/ jet nozzle by applying some on the inside and move it to its end position. ** Spares CG Supply

RO PLANT

All three RO plant sea water system pipe lines to be removed, chemically cleaned and pressure tested and fitted back. Mat-CuNi, Test pressure-08 Bar.

a) Pipe 50NB

b) Pipe 25NB

FIRE MAIN SYSTEM PIPELINES & VALVES

Remove, overhaul, pressure test and refit all fire main system valves as indicated below:- ***Do only 50% of system valves. Specific valves will be finalized by SS while remove.

Test pressure – 12 bar. DESCRIPTION SIZE(mm)

Butterfly valve DN65

Butterfly valve DN125

Butterfly valve DN100

Butterfly valve DN50

Butterfly valve DN80

NR Flap DN65

NR Flap DN125

NR Flap DN50

Ball valve DN 25

Ball valve DN65

Ball valve DN 50

Stop valve DN 50

Renewal of seat. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve bridge block. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of lid. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve spindle/stem. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of rubber seat (Neoprine / Vulcanizing) including materials

Remove, overhaul, pressure test and refit all fire hydrant valves. Size: 50 mm. All leap seals to be renewed. All locking pins to be serviced for proper locking of hose male- end and same to be proved for zero leakage with live fireman pressure 9 kg/cm2.

Removal from line, Chemically clean, pressure test, Galvanize, paint and refits the following system pipe lines. Pipe to be refitted with new fasteners and gaskets (contractor supply).

(a)150mm Sch80 MS seamless pipes

(b)125mm Sch80 MS seamless pipes

(c)100mm Sch80 MS seamless pipes

(d) 50mm Sch80 MS seamless pipes

Remove and check condition of Orifice plates in the system. ** Orifice plates under contractor supply

Renew orifice plates including all accessories. (including material supply)

Fi-Fi AND DELUGE SYSTEM PIPELINES & VALVES

Remove and refit of Fi-Fi & Deluge system valves. ( PN25 )

Remote operated valve ND300

Butter fly valve ND50

Butter fly valve ND65

Butter fly valve ND100

Remove, overhaul, pressure test two by pass valve (100 mm) , type- butterfly valve.

Remove overhaul and pressure test overboard valve (size- 100 mm) ***Test pressure – 18 bar.

Remove, chemically clean, pressure test, Galvanize, painted and refit all Deluge system pipe lines. (Dia- 80 mm)

Renewal of Deluge system pipe lines (Dia- 80 mm) including materials.

Clean, and refit all sprinklers at Deluge system.

Renew defective sprinklers. ***Sprinklers under contractor scope.

S/W SYSTEM FOR M/E, DG (MAIN & HARBOUR), A/C&REF, RO PLANT & WHR) PIPELINES & VALVES

Remove, overhaul and refit the following system valves. ***Specific valves will be finalized jointly along with SS before removal.

Test pressure – 4.5 bar. SIZE Type

125 NB Butterfly valves

150 NB Butterfly valves

50 NB Butterfly valves

65 NB Butterfly valves

32 NB Ball valves

25 NB Ball valves

25 NB Regulation valve

65 NB Regulation valve

125 NB Regulation valve

150 NB Regulation valve

150 NB NR FLAP

125 NB NR FLAP

25 NB NR FLAP

65 NB NR FLAP

Chemically clean, pressure test, paint and refit all system pipe lines. Pipe dia-150 mm, mat-Copper. Test pressure – 06 bar.

Corrosion pieces (black steel pipe), Length 0.3 Mtr each, provided on outlet to heat exchangers of various sea water systems deteriorated / eaten away. To be renewed as per sample. **All pipes, flanges and fittings under contractor's scope of supply.

Description Dia Thickness Length

Corrosion piece 168.3 7.1 3mtrs

Corrosion piece 141.3 6.6 3mtrs

Corrosion piece 42.2 3.56 3mtrs

Corrosion piece 73 5.16 3mtrs

Neoprene rubber bellows of various sea water systems deteriorated. To be renewed as per sample. **All bellows and fittings under contractor supply.

Description Size (mm) Length

Rubber bellow DN150 20

Rubber bellow DN125 18

Rubber bellow DN65 14

Both fire/GS pump and Fire & Bilge pump purging cock (3 ways) defective. To be renewed as per sample (Size-1/8”, Mat: Brass) ** All purging cocks under contractor supply.

F/W COOLING SYSTEM 1, 2, 3 & 4 (M/E, G/BOX, SG, PLUMMER BLOCK, DG & BOW THRUSTER) PIPELINES & VALVES

Remove, overhaul, pressure test and refit of fresh water system valves. The details as follows:

Test pressure-4.5 Bar. Description Size (mm)

Butterfly valve DN50

Butterfly valve DN100

Butterfly valve DN150

Butterfly valve DN65

Flow regulation valve DN50

Flow regulation valve DN100

Flow regulation valve PT28

Flow regulation valve DN40

Ball valve DN10

Ball valve PT28

Ball valve PT8

NR Flap valve DN100

NR Flap valve DN40

Remote operated valve DN100

Remote operated valve3/2 way DN100

Stop valve DN100

Stop valve DN40

Stop valve PT28

Stop NR valve ND25

All machineries F/W system pipe lines to be removed, chemically cleaned, pressure test and refit all system pipe lines Re- lagging of system pipe lines including pipeline painting to be carried out. ** All Lagging Materials, Paints, fasteners etc., under contractor scope. **Test pressure-4.5 Bar.

(a) Pipe lines to be removed, chemically cleaned, pressure test ,refit, painting and relagging ( 125mm Dia)

(b) Pipe lines to be removed, chemically cleaned, pressure test ,refit, painting and relagging ( 105mm Dia)

(c) Pipe lines to be removed, chemically cleaned, pressure test ,refit, painting and relagging ( 65mm Dia)

(d) Pipe lines to be removed, chemically cleaned, pressure test ,refit, painting and relagging ( 40mm Dia)

(e) Pipe lines to be removed, chemically cleaned, pressure test ,refit, painting and relagging ( 32 mm Dia)

All 04 main DA hot water fiber cloth insulation lagging worn out and ruptured. To be renewed as per existing material with proper insulation pipe dia: 80 mm , lagging material inside and outer side covered with hot cloth. **All above Lagging material, hot cloth etc. for renewal of laggings under contractor scope.

HYDROPHORE SYSTEM (HOT/COLD), HP CLEANER & JET WATER CLEANING PIPELINES & VALVES

Remove, overhaul, pressure test and refit of Hydrophore (Hot &Cold) and jet water valves.

Test pressure- 6 bar . Size (mm) Description

50NB Butterfly valve

50 NB Pneumatic operated valve

15 NB Pneumatic operated valve

40 NB Stop NR valve

32 NB Stop NR valve

32 NB Stop NR valve

30 NB Stop NR valve

40 NB Stop valve

32 NB Stop valve

40 NB NR Flap

32NB Safety relief valve

25 NB SDSL valve

22NB Safety valve

28NB Safety valve

18NB Safety valve

All fresh water system pipelines to be removed, chemically cleaned, pressure tested, painted and refitted system pipe lines (Hydrophone/jet water). Re-lagging of hydrophore hot water & jet water system pipe line to be carried out on completion. Mat-Cu-Ni. *** All lagging material under contractor scope.

50NB Cu-Ni pipelines to be removed, chemically cleaned, pressure tested, painted,Re-lagging and refitted

40NB Cu-Ni pipelines to be removed, chemically cleaned, pressure tested, painted,Re-lagging and refitted

32NB Cu-Ni pipelines to be removed, chemically cleaned, pressure tested, painted,Re-lagging and refitted

25NB Cu-Ni pipelines to be removed, chemically cleaned, pressure tested, painted,Re-lagging and refitted

Hydrophore tank to be chemically cleaned and pressure tested.Cap-1000 ltrs. *** Test pressure-6kg/cm2 *** Chemical and Material under contractor scope.

All HP cleaner system pipe lines to be removed, chemically cleaned, pressure tested and refitted. Pipe dia-20 mm, mat- seamless steel, working pressure- 210 bar

BILGE & BALLAST, OWS SYSTEM PIPELINES & VALVES

Carry out chemical cleaning of bilge eductors and check for their performance.Length- 750 mm, Dia- 65mm, Capacity -40TPH each.

Remove, overhaul, pressure test, and refit system valves including Oily Bilge water Separator system. Details as follows: ***Do only 50% of system valves. Specific valves will be finalized by SS while remove.

Test pressure- 12 bar. Description

DN100 Pneumatic operated valve

DN20 Pneumatic operated valves

DN50 NR Globe valve

DN40 NR Globe valve

DN25 Ball valve

DN40 Ball valve

DN100 NR flap

DN 20 NR flap

DN125 Butterfly valve

DN100 Butter fly valve

DN50 Butterfly valve

DN50 SDNR valve

DN25 3-Way directional control valve

DN100 Safety valve

DN40 Safety valve

DN30 Pneumatic operated valve

Safety valve for OBWS

DN20 Pneumatic operated valve

DN30 three way directional valve

Remove, overhaul, pressure test, remote operated valves of bilge & ballast system including its operating mechanism. Details as follows: Test pressure- 12bar.

DN125 Butterfly valve

DN125 NR Flap valve

Chemically clean, pressure test, galvanize, paint and refit all system pipe lines. Material : seamless steel ASTM A106 Gr B, Dia – 80 MM,100 mm & 50 mm .

Chemical cleaning, pressure testing, Galvanizing and painting Dia 100mm seamless steel ASTM A106 Gr B pipe

Chemical cleaning, pressure testing, Galvanizing and painting Dia 80mm seamless steel ASTM A106 Gr B pipe

Chemical cleaning, pressure testing, Galvanizing and painting Dia 50mm seamless steel ASTM A106 Gr B pipe

Renewal of ASTM A106 Gr B seamless steel pipe, dia-100mm, materials contractor supply.

Renewal of ASTM A106 Gr B seamless steel pipe, dia-80mm, materials contractor supply.

Renewal of ASTM A106 Gr B seamless steel pipe, dia-50mm, materials contractor supply.

Remove and clean strainers fitted on the system. Size of strainers: dia- 80mm, Length-160 mm, Material SS

Renewal of SS strainers, if found damaged after opening. dia- 80mm, Length-160 mm, Material SS ** Strainers supply under contractor scope.

FUEL OIL, LUB OIL & HYDRAULIC OIL SYSTEM PIPELINES & VALVES

Remove, overhaul, pressure test and refit all below mentioned system valves. *** Test Pressure- 6 bar

Pneumatic operated Butter fly Valve 100 mm

Pneumatic operated Butter fly Valve 80 mm

Chemically clean, pressure test and refit all system pipe lines . Pipe dia- 50 mm, Dia-32 mm

Chemical cleaning, pressure testing and painting Pipe dia- 50 mm

Chemical cleaning, pressure testing and painting Pipe dia- 32 mm

Renewal of lube oil , hydraulic oil system pipe line dia- 50 mm, materials: SS 316, Sch 80

Renewal of lube oil , hydraulic oil system pipe line dia- 32 mm , materials: SS 316 ,Sch 80

Overhaul, pressure test and refit all QSD valves with mechanism in the fuel system.

Size:100 MM

Size:80 MM

Size-50 MM

Size-40 MM

Size-32MM

Check and Overhaul the wire operated mechanism, pulleys and condition of wire rope. Qty-01, Size- 40 mm

AIR SYSTEM AND AIR BOTTLES PIPELINES & VALVES

The following HP air bottles are to be checked internally, pressure tested and painted after inspection. ***Paint contractor supply

a) Capacity: 500 Ltrs each

b) Capacity: 1000 Ltr

c) Instrument buffer Tank: 60 Ltrs

d) pneumatic control air reservoir Capacity: 80 Ltrs

e) starting air receiver for emergency gen set Capacity: 125Ltrs

Overhaul & pressure test 100% air valves in starting air system including isolating valves. ***Test pressure- 45bar.

Type : Globe V/V Dia : 35 MM

Type- ball Valve Size-35 mm.

Renewal of Spindle (ball & globe valve)

Renewal of seat (ball & globe valve)

Renewal of lid (ball & globe valve)

Renewal of bridge blcok (ball & globe valve)

Overhaul & pressure test following service air valves in the system.

Test pressure- 12 bar. Description Size

Ball valve 35mm

Non return valve 35mm

Stop valve 35mm

Stop valve 15mm

Relief valve 15mm

Stop valve 12 mm

Non return valve 12mm

Ball valve 12 mm

Ball valve 15 mm

Ball valve 28 mm

Solenoid valve (drain) 28mm

Non return valve 25 mm

Non return valve 22 mm

Ball valve 22 mm

Ball valve 12mm

Relief valve 15mm

Relief valve 15mm

Ball valve 42mm

Ball valve 8 mm

Non return valve 15 mm

Ball valve 10mm

Stop valve 8 mm

Overhaul air reducer with drier in the system and renew defective parts. All spares/materials under contractor supply

Air reducer ( 30-10 bar)

Air reducer ( 30-7 bar)

Air drier

Control and instrumentation air system lines {LP (including service air & interring stabilizer lines) and HP air system pipe line} to be removed, chemically cleaned, painted and pressure tested.(Dia-15mm, test pressure- 12 bar)

Renewal of LP & HP air system pipe lines, dia 15mm, test pressure- 12 bar

Overhaul safety valves in air bottles, relief valve and drier/moisture absorber in the system Calibration to be carried out by NABL certified Lab only *all materials contractor supply.

Safety valve Dia :32 MM

Drier

Relief Valves Dia. :32 MM

Moisture absorber

STEAM & CONDENSATE SYSTEM

Remove, overhaul, pressure test and refit valves as indicated. Test pressure - 6Bar

Stop valve 25 mm

Stop valve 50 mm

Stop valve 20 mm

Stop valve 40 mm

Stop valve 65 mm

Stop valve 32 mm

Stop valve 15 mm

NRV 50mm

Renewal of seat. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve bridge block. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of lid. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

Renewal of valve spindle/stem. Material: MS/ SS/ Cu-Ni/ Bronze (whichever applicale). Material contractor supply.

All system pipe lines to be chemically cleaned, pressure test, galvanized and refitted including steam coils in the ORO tanks. Pipe dia: 20MM,

Renewal of insulation and SS cladding of pipeline, dia-20mm

Renewal of steam pipe line, dia :20mm

Overhaul & Check safety valves and relief valves in the system. Dia-20mm, all materials contractor supply.

Overhaul back pressure regulator. all materials contractor supply.

Overhaul steam trap and De-aeration unit in the system. all materials contractor supply.

Chemically clean and pressure test Hot well/Feed water tank. all materials contractor supply.

EQUIPMENT/SYSTEM :AVCAT SYSTEM , MAKE : ABG

Carry out system pipe line cleaning including renewal of gasket , pressure test ,painted and inspection of filters. Details as follows: Dia- 65 mm, Dia- 50 mm, Gasket material – Teflon Material contractor supply.

Dia 65mm Pipeline above scope

Dia 50mm Pipeline above scope

Renewal of 65mm Dia Pipeline ( inlcuding pipe & its fittings)

Renewal of 50mm Dia Pipeline ( inlcuding pipe & its fittings)

Carry pressure test of hoses for leakages. Dia: 50 mm, Pressure test at 1.5 times of working pressure. ****Test Pressure- 6bar.

Carry out cleaning/inspection of all tanks and eductor. Storage tank Capacity- 20.1 KL and Service tank capacity 5.0 KL, Eductor-01

a) Storage tank Capacity- 20.1 KL

b) Service tank capacity 5.0 KL

c) Eductor

Island Ship Repairers

KOLKATA ENGINEERING