Engineering Equipments works

Amount

A/C Plant No. 1 & 2 - 6000 hrs & NR Routines. MAKE -VOLTAS MODEL - 5H126; 6000 HOURLY & NR ROUTINES ON AC 1 & AC 2 AS MENTIONED BELOW:- (2 NOS); THE SCOPE OF WORK INCLUDES REMOVAL, OVERHAULING, REFITMENT AND COMMISSIONING, SATISFACTORY TRAILS OF AC PLANT TO BE SHOWN TO SHIPASTAFF, HSL AND ALL NAVAL TRIAL AGENCIES; REQUIRED SPARES AND CONSUMABLES ARE TO BE SOURCED FROM OEM (M/s. VOLTAS); THE JOB IS TO BE CARRIEDOUT UNDER SUPERVISION OF OEM; OEM SERVICE ENGINEER IS TO BE ARRANGED BY CONTRACTOR ONLY.

REMOVE AND REFIT ALL ISOLATING VALVES ON LIQUID AND GAS LINES. RENEW ALL NYLON / TEFLON WASHERS AND SEATING OF ALL VALVES (BRASSOMATIC VALVE, MAT - BRASS)

CHECK ALL TEMPERATURE GAUGES, PRESSURE GAUGES, SAFETY ALARMS AND TRIPS. RECTIFY DEFECTS. SOW INCLUDES PROCUREMENT AND RENEWAL OF ALL PRESSURE SWITCHES, TEMP. SWITCHES, WIRING, PCB CARDS, GAUGES, SENSORS, RELAYS, SOLENOIDS AND OTHER COMPONENTS. (LOW LUB OIL SWITCH - QTY-02; LOW SUCTION PR SWITCH - QTY -02; HIGH DISCHARGE PRESSURE SWITCH QTY-02; DIFFERENTIAL OIL PRESSURE SWITCH QTY -02; LOW CHILLED WATER TEMP SWITCH AND SENSOR QTY-02; LOADING UNLOADING SOLENOID QTY 06; A/C SEA WATER PRESSURE SWITCH -02; DISPLAY UNIT -02, MPD CARD-04; HEATER -08; CONTROL PANEL PLC -02; MCBs -04; VPD CARD -04; TIMER RELAY-02); CONTRACTOR HAS TO QUOTE SEPERATELY FOR PROCUREMENT OF REQUIRED SPARES;

RENEW ALL SV MOUNTS POST SURVEY OF SEATING AND FOUNDATION PLATES. JOB INCLUDES GROUPING, FITMENT AND ATTENUATION CHECK AFTER FITMENT AND REPORT TO BE FORWARDED TO THE SHIP. CARRY OUT ALIGNMENT CHECKS AND VIBRATION TRIAL ON COMPLETION IN PRESENCE OF NAVAL TRIAL TEAM/NAVAL REPRESENTATIVE AS PER NAVAL SPECIFICATIONS.

RENEW COMPRESSOR SUCTION AND DELIVERY VALVES. 12 SUCTION REEDS AND 12 DISCHARGE VALVES EACH COMPRESSOR. 24 NOS

A) WITHDRAW PISTON AND INSPECT FOR WEAR AND SCORING. B) MEASURE WEAR DOWN OF PISTON RINGS AND OIL SCRAPPER RINGS (12 PISTONS EACH); C) INSPECT ALL BEARINGS AND MEASURE WEAR DOWN. REPLACE IF NECESSARY; D) MEASURE THE OVALITY OF CYLINDER AND REPLACE IF NECESSARY; E) INSPECT UNLOADING DEVICE FOR CORRECT FUNCTIONING; F) CHECK AND REPACK ALL VALVE STEM IN THE REFRIGERANT LINE; G) DRAIN THE COMPRESSOR AND CLEAN THE CRANKCASE WITH LINT FREE CLOTH. CLEAN SIGHT GLASS FROM INSIDE AND CHARGE FRESH OIL AS PER REQUIRED QUANTITY; H) WITHDRAW PISTON HEADS AND INSPECT VALVE SPRING, VALVE PLATE AND SECURING ARRANGEMENT; I) FIRM HAS TO PROCURE AND RENEW OIL STRAINERS AND LIQUID LINE STRAINERS; J) FIRM HAS TO PROCURE AND RENEW COMPRESSOR SUCTION STRAINERS; K) RENEW EXPANSION VALVES; CONTRACTOR HAS TO QUOTE SEPERATELY FOR PROCUREMENT OF REQUIRED SPARES;

RENEW CORROSION PLUGS.

CARRY OUT CHEMICAL CLEANING OF CONDENSORS, HEAT EXCHANGER COILS AND ALL ASSOCIATED REFRIGERANT PIPE WORK INCLUDIG GAS AND SEA WATER SIDE. CARRY OUT PRESSURE TEST. RECTIFY DEFECTS IF ANY. SOW INCLUDES REMOVAL, CHEMICAL CLEANING, DEFECT RECTIFICATION, PRESSURE TESTING AND REFITMENT OF END PLATES.

ALL VIBRATION DAMPERS TO BE REPLACED WITH NEW ONES.

LEAK TEST OF GAS SYSTEM TO BE CARRIED OUT ALL LEAKS TO BE RECTIFIED. POST COMPLETION OF WORK SYSTEM TO BE PRESSURE TESTED BY NITROGEN AS PER PROCEDURE AND VACCUMIESD FOR 24 HOURS. GAS TO BE CHARGED POST VACUUMISING AND SYSTEM TO BE PROVED

CARRY OUT COLD AND HOT SAFETY DEVICES CHECKS BEFORE COMMENCEMENT AND POST COMPLETION OF WORK. ALL PRESSURE GAUGES, TEMPERATURE GAUGES, CUT OUTS, SOLENOIDS AND THERMOMETERS ARE TO BECALIBRATED AND ALL DEFECTIVE COMPONENTS ARE TO BE PROCURED AND REPLACED. FIRM HAS TO QUOTE SEPERATELY FOR PROCUREMENT OF ALL CONTROL COMPONENTS INCLUDING PCBS, SENSORS, INDICATIONS, HOOTERS AND CUTOUTS. ALL ITEMS ARE TO BE SOURCED FROM OEM/ AUTHORISED DEALER AND A DETAILED REPORT INCLUDING CALIBRATION CERTIFICATES IS TO BE FORWARDED TO SHIP. INSTRUMENTATION. PR GAUGE- 07 EACH TEMP GAUGES- 04 EACH SEA WATER PR. SWITCH- 01 EACH CHILLED WATER PR SWITCH- 01 EACH TEMP SWITCH- 01 EACH SENSORS- 04 EACH CUT OUTS- 03 EACH MPD- 0-1 EACH CONTROL CARDS- 05 EACH THERMOMETER- 08 EACH SOLENOIDS- 03 EACH EXPN VALVE- 01 EACH MISC.COMPONENTS- AS FITTED

ALL GAS SYSTEM RELIEF VALVES TO BE CALIBRATED AND REPLACED WITH NEW VALVES AND CALIBRATION CERTIFICATES TO BE PROVIDED TO SHIPS. OUTLET OF ALL GAS SYSTEM RELIEF VALVES TO BE DIRECTED TO ATMOSPHERE AND TAIL PIPES OF ADEQUATE STRENGTHS AND LENGTH TO BE MANUFACTURED AND FITTED ALONG WITH END FITTINGS.

Consumables / Components / Items / Spares / MateriaL: Contractor has to quote lumpsum cost for the entire SoW ( i.e. S.NO 1 TO S.NO 12 line items in our BOQ), against third party/OEM invoice for all spares supplied for the Scope. The taxes will be paid as per actuals. The cost of spares quoted by the contractor will be considered " on not exceeding basis of total lumpsum cost mentioned in the BOQ'' for satisfactory completion of the specified SoW. Payment will be made at actuals on not exceeding quoted cost of this Serial (13) against third party invoices / OEM invoice (as applicable). Any cost implication towards spares beyond this lumpsum cost is to be borne by Contractor.

AC CONTROL PANEL (2 NOS)

REMOVE THE CONTROL PANEL FROM SHIP AND SHIFT TO SHOP FLOOR. CARRY OUT CALIBRATION AND OVERHAULING OF COMPRESSOR MOTOR AND STARTER WITH SAFTY CUT OUT. STARTER BODY TO BE PAINTED.

ALL INTERNAL WIRING, INDICATION LAMP (08 NOS), TERMINAL BLOCKS AND KNOBS (06 NOS) TO BE REPLACED.

OVER LOAD RELAY TO BE PROCURED AND REPLACED. OVER LOAD TO BE CALIBRATED BEFORE FITMENT AND CALIBRATION CERTIFICATE TO BE PROVIDED TO SS.

MCCB TO BE PROCURED AND REPLACED.

VENDOR TO PROCURE AND REPLACE THE CONTACTS OF MAIN CONTACTOR (110 AMPS) - 02 NOS, STAR CONTACTOR (110 AMPS) - 02 NOS AND DELTA CONTACTOR (110 AMPS) - 02 NOS.

CONTROL PANEL TO BE OFFERED FOR TRIALS TO SS AFTER ASSEMBLING AT SHOP FLOOR.

PROCURE AND REPLACE LPC WITH PLC BASED CARD,VPD, MPD AND CONTACTORS IN BOTH CONTROL PANELS; MODEL: MHCDR1100MA & CAPACITY: 332640KCAL/HR;

FIT THE CONTROL PANEL IN SHIP WITH EARTHING STRAP AND TAKE TRIALS WITH MOTOR.

CHECK AND OVERHAUL ALL STARTERS OF MOTORS (ROUTINE TO BE UNDERTAKEN IN CONJUNCTION WITH ELECTRICAL DEPT)

Consumables / Components / Items / Spares / MateriaL: Contractor has to quote lumpsum cost for the entire SoW ( i.e. S.NO 14 TO S.NO 23 line items in our BOQ), against third party/OEM invoice for all spares supplied for the Scope. The taxes will be paid as per actuals. The cost of spares quoted by the contractor will be considered " on not exceeding basis of total lumpsum cost mentioned in the BOQ'' for satisfactory completion of the specified SoW. Payment will be made at actuals on not exceeding quoted cost of this Serial (24) against third party invoices / OEM invoice (as applicable). Any cost implication towards spares beyond this lumpsum cost is to be borne by Contractor.

ROUTINES ON AHUs AND FCUs: THE SCOPE OF WORK INCLUDES REMOVAL, OVERHAULING/SERVICING, REFITMENT AND COMMISSIONING, SATISFACTORY TRAILS OF AHUs AND FCUs TO BE SHOWN TO SHIPASTAFF, HSL AND ALL NAVAL TRIAL AGENCIES; REQUIRED SPARES, MATERIALS AND CONSUMABLES ARE TO BE SUPPLIED BY CONTRACTOR ONLY. PRESSURE TESTING OF AHUs AND FCUs ARE COVERED IN CONTRACTORS SCOPE. NEW AHUs, NEW FCUs WILL BE SUPPLIED BY HSL ANF FITMENT OF NEW AHUs, NEW FCUs ARE INCLUDED IN CONTRACTORS SCOPE. LIFTING, SHIFTING AND INSTALLATION OF NEW AHUs, NEW FCUs ONBOARD IS COVERED IN CONTRACTORS SCOPE. ANY MODIFICATION REQUIRED FOR INSTALLATION OF AHUs, FCUs ARE COVERED IN CONTRACTORS SCOPE.

AHUS AND FCUS: UNDERTAKE CHEMICAL CLEANING OF 05 IN NUMBER COOLING COIL UNIT OF AHUS AND 05 FCUS, PRESSURE TESTING THEREAFTER. SCOPE OF WORK INCLUDES REMOVAL AND REFITMENT OF HEAT EXCHANGRES OF AHUS AND FCUS.

05 IN NO FAN WHEEL OF ALL AHU'S NEEDS TO BE REPLACED. ITEM IS TO BE SOURCED FROM OEM. BALANCING TRIAL IS TO BE UNDERTAKEN AND SYSTEM IS TO BE PROVED.

10 IN NUMBER SHAFT BEARING OF ALL AHU'S TO BE RENEWED AS PER SAMPLE, MAKE: SKF

RENEW 120 IN NUMBER FLOW CONTROL FLAP VALVE FITTED INSIDE THE INDIVIDUAL TRUNKINGS POST THE AHU DISTRIBUTION BOX.

20 IN NUMBER DUST FILTERS OF ALL THE FIVE AHUS ARE TO BE RENEWED AS PAER SAMPLE. (MAT: SS FRAME, 4 PASS SS WIRE MESH, SIZE: 500X400MM)

05 IN NO FRESH AIR INTAKE TRUNKING WITH FLAP COVER AND TIGHTENED WITH 04 NOS 12MM DIA WING NUT AND BOLTS ON EACH TO BE MANUFACTURED AS PER SAMPLE. SIZE OF TRUNKING: 400X400MM

DISMANTLE FAN BLOWER, CHEMICALLY CLEAN THE IMPELLERS, CHECK FOR ANY VIBRATION AND AFTER ALIGNMENT FIT IT BACK

RENEW 05 IN NUMBER COOLING COILS OF FCUS AND PRESSURE TEST THEREAFTER. NEW COOLING COILS TO BE SUPPLIED BY HSL

DRAIN PIPE OF ALL 05 FCUS ARE TO BE RENEWED ALONG WITH NECESSARY END FITTINGS AND BENDS. CU-NI PIPE, 3" DIA

PRESSURE GAUGES OF CHILLED WATER INLET/OUTLET OF ALL AHU'S TO BE REPLACED/RENEWED.

CONTROL PANEL SWITCHES OF ALL AHU'S TO BE REPLACED/RENEWED.

TEMPERATURE GAUGES OF ALL AHU'S TO BE REPLACED/RENEWED.

PRESSURE GAUGES OF CHILLED WATER INLET/OUTLET OF ALL FCU'S TO BE REPLACED/RENEWED.

CONTROL PANEL SWITCHES OF ALL FCU'S TO BE REPLACED/RENEWED.

TEMPERATURE GAUGES (INDUSTRIAL MERCURY IN GLASS TYPE) OF ALL FCU'S TO BE REPLACED/RENEWED. RANGE: 5 TO 40 DEGC. BOURDON/WIKA/WAREE.

VIBRATION MOUNTS TO BE REPALCED FOR ALL AHUS AND FCUS, X-TYPE/L-TYPE;

DYNAMIC BALANCING OF BLOWERS TO BE CARRIEDOUT.

Consumables / Components / Items / Spares / Material: Contractor has to quote lumpsum cost for the entire SoW ( i.e. S.NO 25 TO S.NO 42 line items in our BOQ), against third party/OEM invoice for all spares supplied for the Scope. The taxes will be paid as per actuals. The cost of spares quoted by the contractor will be considered " on not exceeding basis of total lumpsum cost mentioned in the BOQ'' for satisfactory completion of the specified SoW. Payment will be made at actuals on not exceeding quoted cost of this Serial (43) against third party invoices / OEM invoice (as applicable). Any cost implication towards spares beyond this lumpsum cost is to be borne by Contractor.

UNDERTAKE THE FOLLOWING ROUTINES ON THE 37 TPH DD PUMP. MATERIAL REQUIRED FOR THE OVERHAULING TO BE PROCURED AND SUPPLIED BY CONTRACTOR FROM OEM. MOUNTS TO BE PROCURED AND SUPPLIED FROM NAVY APPROVED VENDORS WITH MANUFACTURING TEST CERTIFICATE; MAKE: MODY; CAP: 37 TPH; MODEL: DC8Y-DE; QTY: 03 NOS; FINALLY SATISFACTORY TRIALS TO BE SHOWN TO SHIPSTAFF, HSL AND ALL NAVAL TRIAL AGENCIES.

PUMP AND ENGINE UNIT TO BE OVERHAULED. TO QUOTE FOR COMPLETE OVERHAUL AND REPLACEMENT OF DEFECTIVE COMPONENTS. CAPACITY TRIALS TO BE OFFERED TO SHIP POST COMPLETION OF WORK. MOUNTS TO BE SUPPLIED FROM NAVY APPROVED VENDORS WITH MANUFACTURING TEST CERTIFICATE;

CALIBRATE PRESSURE AND TEMPERATURE GAUGES. PROVIDE CALIBRATION CERTIFICATE. RANGE: 0 TO 10.6 KG/CM2;

CLEAN FUEL TANKS FOR ANY DIRT PARTICLES INSIDE THE TANK

SV MOUNTS OF DD PUMPS TO BE PROCURED AND RENEWED. MOUNTS TO BE SUPPLIED FROM NAVY APPROVED VENDORS WITH MANUFACTURING TEST CERTIFICATE;

EXHAUST SILENCER AND PRIMING UNIT DETERIORATED. TO BE PROCURED AND RENEWED

RENEW SUCTION HOSE GASKET.

CARRY OUT TEST RUN /PERFORMANCE TRIAL AFTER OVERHAUL OF ENGINE AND PUMP POST COMPLETION OF WORK IN PRESENCE OF NAVAL TRIAL TEAM/NAVAL REPRESENTATIVE AS PER DESIGNERS SPECIFICATIONS.

Consumables / Components / Items / Spares / Material: Contractor has to quote lumpsum cost for the entire SoW ( i.e. S.NO 44 TO S.NO 51 line items in our BOQ), against third party/OEM invoice for all spares supplied for the Scope. The taxes will be paid as per actuals. The cost of spares quoted by the contractor will be considered " on not exceeding basis of total lumpsum cost mentioned in the BOQ'' for satisfactory completion of the specified SoW. Payment will be made at actuals on not exceeding quoted cost of this Serial (52) against third party invoices / OEM invoice (as applicable). Any cost implication towards spares beyond this lumpsum cost is to be borne by Contractor.

UNDERTAKE THE FOLLOWING ROUTINES ON BOTH FUEL OIL CENTRIFUGES AND CARRY OUT COMPLETE OVERHAUL OF BOTH FO CENTRIFUGES. QTY: 02 NOS; THE SCOPE OF WORK INCLUDES REMOVAL, OVERHAULING, REFITMENT AND COMMISSIONING, SATISFACTORY TRAILS OF FO PURIFIERS TO BE SHOWN TO SHIPASTAFF, HSL AND ALL NAVAL TRIAL AGENCIES; REQUIRED SPARES, MATERIALS AND CONSUMABLES ARE TO BE SOURCED FROM OEM (M/s. ALFA LAVAL); THE JOB IS TO BE CARRIEDOUT UNDER SUPERVISION OF OEM; OEM SERVICE ENGINEER IS TO BE ARRANGED BY CONTRACTOR ONLY.

CARRY OUT PRE REFIT VIBRATION TRIALS AND PERFORMANCE TRIALS. FORWARD DEFECTS OBSERVED AND CARRY OUT DEFECT RECTIFICATION. ANY DEFECTS OBSERVED DURING PERFORMANCE TRIALS TO BE RECTIFIED

CHECK HEIGHT POSITION FOR PAIRING DISC FOR MAB 206 TYPE SEPERATORS

HORIZONTAL DRIVE (A) CHECK AXIAL PLAY OF COUPLING DISC (B) RENEW BALL BEARINGS OF WORM WHEEL SHAFT

VERTICAL DRIVE (A) CLEAN AND CHECK BOWL SPINDLE AND NAVE FOR IMPACT MARKS (B) CLEAN AND CHECK BUFFER AND BALL BEARING HOUSING. RENEW IF REQUIRED (C) CHECK RADIAL WOBBLE OF BOWL SPINDLE (D) RENEW BALL BEARINGS AND TOP BEARING SPRINGS

CLEAN AND CHECK SPRING AND BRAKE SHOE. RENEW FRICTION PAD/ BRAKE PLUG.

CLEAN AND INSPECT FRICTION COUPLING. RENEW FRICTION PADS AND LIPSEAL RING

DISMANTLE PUMP ASSEMBLY. CLEAN AND INSPECT BUSHINGS, WEAR GASKETS, FLEXIBLE COUPLINGS, RELIEF/SAFETY VALVES AND IMPELLER SHAFT. RENEW LIP SEAL RING

HEATING COIL AND OVERHAUL IS TO BE CARRIED OUT BY THE CONTRACTOR. NECESSARY ASSISTANCE FOR TRIALS TO BE PROVIDED. ALL MATERIALS INCLUDING HEATING ELEMENTS, GASKETS AND ALL CONSUMABLES ARE CONTRACTOR'S SCOPE

RENEW FRAME FEET RUBBER CUSHIONS/ VIBRATION DAMPERS. POST OVERHAULING CARRYOUT VIBRATION TRIALS IN PRESENCE OF NAVAL TRIAL TEAM /NAVAL REPRESENTATIVE AS PER DESIGNERS SPECIFICATION. POST COMPLETION OF ABOVE ROUTINES, FITMENT, VIBRATION AND PERFORMANCE TRIALS TO BE UNDERTAKEN IN PRESENCE OF NAVAL TRIAL AGENCY AS PER OEM DESIGN SPECIFICAITONS.

FOR FO CENTRIFUGE SPARES: Consumables / Components / Items / Spares / Material: Contractor has to quote lumpsum cost for the entire SoW ( i.e. S.NO 53 TO S.NO 62 line items in our BOQ), against third party/OEM invoice for all spares supplied for the Scope. The taxes will be paid as per actuals. The cost of spares quoted by the contractor will be considered " on not exceeding basis of total lumpsum cost mentioned in the BOQ'' for satisfactory completion of the specified SoW. Payment will be made at actuals on not exceeding quoted cost of this Serial (63) against third party invoices / OEM invoice (as applicable). Any cost implication towards spares beyond this lumpsum cost is to be borne by Contractor.

UNDERTAKE THE FOLLOWING ROUTINES ON BOTH LUB OIL CENTRIFUGES AND CARRY OUT OVERHAUL OF BOTH LO CENTRIFUGES. QTY: 02 NOS; THE SCOPE OF WORK INCLUDES REMOVAL, OVERHAULING, REFITMENT AND COMMISSIONING, SATISFACTORY TRAILS OF LO PURIFIERS TO BE SHOWN TO SHIPASTAFF, HSL AND ALL NAVAL TRIAL AGENCIES; REQUIRED SPARES, MATERIALS AND CONSUMABLES ARE TO BE SOURCED FROM OEM (M/s. ALFA LAVAL); THE JOB IS TO BE CARRIEDOUT UNDER SUPERVISION OF OEM; OEM SERVICE ENGINEER IS TO BE ARRANGED BY CONTRACTOR ONLY.

CARRY OUT VIBRATION TRIALS AND PERFORMANCE TRIALS. ANY DEFECTS OBSERVED TO BE RECTIFIED.

CHECK HEIGHT POSITION FOR PAIRING DISC FOR MAB 206 TYPE SEPERATORS

HORIZONTAL DRIVE (A) CHECK AXIAL PLAY OF COUPLING DISC (B) RENEW BALL BEARINGS OF WORM WHEEL SHAFT

VERTICAL DRIVE (A) CLEAN AND CHECK BOWL SPINDLE AND NAVE FOR IMPACT MARKS (B) CLEAN AND CHECK BUFFER AND BALL BEARING HOUSING. RENEW IF REQUIRED (C) CHECK RADIAL WOBBLE OF BOWL SPINDLE (D) RENEW BALL BEARINGS AND TOP BEARING SPRINGS

CLEAN AND CHECK SPRING AND BRAKE SHOE. RENEW FRICTION PAD/ BRAKE PLUG.

CLEAN AND INSPECT FRICTION COUPLING. RENEW FRICTION PADS AND LIPSEAL RING

DISMANTLE PUMP ASSEMBLY. CLEAN AND INSPECT BUSHINGS, WEAR GASKETS, FLEXIBLE COUPLINGS, RELIEF/SAFETY VALVES AND IMPELLER SHAFT. RENEW LIP SEAL RING

RENEW FRAME FEET RUBBER CUSHIONS/ VIBRATION DAMPERS. POST OVERHAULING CARRYOUT VIBRATION TRIALS IN PRESENCE OF NAVAL TRIAL TEAM /NAVAL REPRESENTATIVE AS PER DESIGNERS SPECIFICATION. POST COMPLETION OF ABOVE ROUTINES FITMENT, VIBRATION AND PERFORMANCE TRIALS TO BE UNDERTAKEN IN PRESENCE OF NAVAL TRIAL AGENCY AS PER OEM DESIGN SPECIFICATIONS.

FOR LO CENTRIFUGE SPARES: Consumables / Components / Items / Spares / Material: Contractor has to quote lumpsum cost for the entire SoW ( i.e. S.NO 64 TO S.NO 72 line items in our BOQ), against third party/OEM invoice for all spares supplied for the Scope. The taxes will be paid as per actuals. The cost of spares quoted by the contractor will be considered " on not exceeding basis of total lumpsum cost mentioned in the BOQ'' for satisfactory completion of the specified SoW. Payment will be made at actuals on not exceeding quoted cost of this Serial (73) against third party invoices / OEM invoice (as applicable). Any cost implication towards spares beyond this lumpsum cost is to be borne by Contractor.

Patel Engineering Works Vizag

YEOMAN MARINE SERVICES PVT. LTD.

VOYAGER MARINE SERVICES INDIA PRIVATE LIMITED