navigator gas...3.5 cargo pumps 20 3.6 cargo compressors 20 3.7 fuel consumption 21 4.0 carrying...

TECHNICAL FORM C GAS

NAVIGATOR PEGASUS

NAVIGATOR GAS

about us

the partner of choice

Navigator Gas is more than a shipping company; we are an international, diverse team of responsible professionals, all working towards creating value to our stakeholders.

We are the owner and operator of the world’s largest fleet of handysize liquefied gas carriers. We provide international seaborne transportation and regional distribution services of liquefied petroleum gas, petrochemical gases and ammonia for energy companies, industrial users and commodity traders. These gases are transported in liquefied form, under cooling temperatures and/or pressure, which can reduce volume by up to 900 times depending on the cargo, making their transportation more efficient and economical.

Our modern fleet has versatile capabilities including ethylene, semi-refrigerated and fully-refrigerated vessels.

DELIVERING VALUE THROUGH STRONG

PARTNERSHIPS

EXPERT

We have unique experience in transporting complex gas cargoes

VERSATILE

We have the world’s largest handysize fleet

SAFETY

Setting the highest standards for safe, reliable and environmentally focussed

shipping solutions

DELIVERING VALUE THROUGH STRONG

PARTNERSHIPS

EFFICIENT

Our modern and eco-design vessels maximise profitability for our customers

GLOBAL

Our large fleet enables global coverage for our customers

FINANCIAL STRENGTH

Our strong financial performance and robust balance sheet will support

our future growth plans

THE FLEET

ETHYLENE CAPABLE FLEET

NEPTUNE

EUROPA

SATURN

TRITON

MARSPLUTO

OBERON

VENUS

UMBRIOATLAS

aurora

NOVA

ECLIPSE

PROMINENCE

SEMI REFRIGERATED FLEET

PHOENIXMAGELLAN PEGASUS ARIES

CERESCENTAURI CETOLIBRA

YAUZA LUGA

SCORPIO TAURUSGEMINI VIRGO

CAPRICORN

LEO

COPERNICO

FULLY REFRIGERATED FLEET

GENESIS

GLORY

GLOBAL

GUSTO

GALAXY

GRACE

Hull 8234

VESSEL BUILT SIZE LOA TANKS

ETH

YLE

NE

CAPA

BLE

Navigator Neptune 2000 22,000 169.97 4

Navigator Pluto 2000 22,000 169.97 4

Navigator Saturn 2000 22,000 169.97 4

Navigator Venus 2000 22,000 169.97 4

Navigator Mars 2000 22,000 169.97 4

Navigator Atlas 2014 21,000 159.97 4

Navigator Europa 2014 21,000 159.97 4

Navigator Oberon 2014 21,000 159.97 4

Navigator Triton 2014 21,000 159.97 4

Navigator Umbrio 2015 21,000 159.97 4

Navigator Aurora 2016 35,000 179.97 3

Navigator Eclipse 2016 35,000 179.97 3

Navigator Nova 2016 35,000 179.97 3

Navigator Prominence 2016 35,000 179.97 3

SEM

I-RE

FRIG

ERA

TED

Navigator Magellan 1998 20,900 159.09 4Navigator Pegasus 2009 22,000 169.98 4

Navigator Phoenix 2009 22,000 169.98 4

Navigator Aries 2008 20,550 159.97 4

Navigator Capricorn 2008 20,600 159.97 4

Navigator Gemini 2009 20,550 159.97 4

Navigator Scorpio 2009 20,600 159.97 4

Navigator Taurus 2009 20,550 159.97 4

Navigator Virgo 2009 20,600 159.97 4

Navigator Leo 2011 20,600 159.97 4

Navigator Libra 2012 20,600 159.97 4

Navigator Centauri 2015 22,000 159.97 4

Navigator Ceres 2015 22,000 159.97 4

Navigator Ceto 2015 22,000 159.97 4

Navigator Copernico 2016 22,000 159.97 4

Navigator Yauza 2017 22,000 159.95 3

Navigator Luga 2017 22,000 159.95 3

FULL

Y

REFR

IGER

ATE

D

Navigator Glory 2010 22,600 154.17 3

Navigator Grace 2010 22,600 154.17 3

Navigator Gusto 2011 22,600 154.17 3

Navigator Genesis 2011 22,600 154.17 3

Navigator Galaxy 2011 22,600 154.17 3

Navigator Global 2011 22,600 154.17 3

Hull 8234 2017 38,000 180.00 3

REVISION 01 revision date: 08 · 04 · 20151 of 30

TECHNICAL ‘FORM C’ GASNAVIGATOR PEGASUS

22,000 cbm LPG CARRIER

Specifications of the vessel and the gas installations are believed to be correct as per design specifications and capacities, but not guaranteed, and consequently Owners are not to be held accountable for such. We further reserve our rights for normal wear and tear on cargo equipment in respect of loading, discharging, cooling-rates and time for changing cargo grades etc., including but not limited to capacity of cargo re-heaters, compressors, pumps and other equipment, as described in this Form-C as these descriptions, as described above, refers to design capacities.

GAS FORM C

REVISION 01 2 of 30 revision date: 08 · 04 · 2015

NAVIGATOR PEGASUS

SAFETY MANAGEMENT SYSTEM GAS FORM C

CONTENTS

1.0 VESSEL'S MAIN CHARACTERISTICS 41.1 GENERAL INFORMATION 4

1.2 VESSELS DIMENSIONS AND TONNAGES 6

1.3 LOAD LINES 6

1.4 DEADWEIGHT 6

2.0 CARGO INSTALLATION 82.1 TANK CAPACITIES/INTAKES 8

2.2 TANK CAPACITIES/INTAKES & DRAFTS 8

2.3 MANIFOLD LAYOUT/ARRANGEMENT 9

2.3.1 SIZE OF MANIFOLD CONNECTIONS 9

2.3.2 AVAILABLE REDUCERS 10

2.3.3 CROSS-SECTION OF THE MANIFOLD 11

2.4 PARALLEL BODY LENGTH 12

3.0 MACHINERY 143.1 DECK MACHINERY AND EQUIPMENT 14

3.2 MOORING/ANCHORING EQUIPMENT 14

3.3 ENGINE MACHINERY AND EQUIPMENT 18

3.4 BUNKER/BALLAST/POTABLE WATER INTAKES (LS HFO/LS MDO) 19

3.5 CARGO PUMPS 20

3.6 CARGO COMPRESSORS 20

3.7 FUEL CONSUMPTION 21

4.0 CARRYING CONDITIONS 224.1 LIST OF CARGOES FOR TYPE IIG CARRIER 22

4.2 TRANSPORT CONDITIONS 23

4.3 SIMULTANEOUS TRANSPORT OF DIFFERENT GRADES 23

4.3.1 CARGO TANKS CHARACTERISTICS 23

4.3.2 CARGO DECK TANKS 23

4.4 LOADING 24

4.4.1 LOADING FULLY REFRIGERATED CARGOES 24

4.4.2 LOADING SEMI-REFRIGERATED & AMBIENT CARGOES AT +18ºC ACCORDING 24

4.5 COOLING DOWN 24

4.6 HEAT LOSS DUE TO TANK INSULATION 24

4.7 DISCHARGING 25

4.8 CARGO WARMING UP 25


VESSEL’S MAIN CHARACTERISTICS 1.02.0CARGO INSTALLATION3.0MACHINERY4.0CARRYING CONDITIONS5.0ADDITIONAL INFORMATION

5.0 ADDITIONAL INFORMATION 265.1 CARGO ROB AFTER FULL DISCHARGE 26

5.2 GAS FREEING AND INERTING 27

5.2.1 INERT GAS PLANT 27

5.2.2 DECK FANS 27

5.3 MEASURING APPARATUS 28

5.3.1 CARGO LEVEL 28

5.3.2 CARGO TEMPERATURE 28

5.3.3 TANK WALL TEMPERATURE SENSORS 28

5.3.4 CARGO PRESSURE 28


NAVIGATOR PEGASUS


1.0 VESSEL’S MAIN CHARACTERISTICS

1.1 General Information

NAMENavigator Pegasus

IMO NUMBER9407328

CALL SIGND5BS8

MMSI636 015 596

REGISTERED OWNERNavigator Pegasus L.L.C.Trust Company Complex Ajeltake Road, Ajeltake Island Majuro, Marshall Islands MH96960Company IMO No. 5664121

NAVIGATOR

FLAGLiberia

PORT OF REGISTRYMonrovia

FLAG OFFICIAL NUMBER15596

KEEL LAID20 September 2007

LAUNCHED13 October 2008

DELIVERED16 June 2009

ICE CLASSNot Applicable

CAPNot Applicable (The vessel is < 15Y)

CASNot Applicable (The vessel is < 15Y)

TYPEIIG – LPG / VCM / Ammonia – Carrier

HULLDouble bottom

APPROVALIMO, USCG, MOT, MARPOL and SOLAS

BUILDING SHIPYARDJiangnan Shipyard (Group) Ltd. Co. Hull No. 2423


2.0CARGO INSTALLATION3.0MACHINERY4.0CARRYING CONDITIONS5.0ADDITIONAL INFORMATION

VESSEL’S MAIN CHARACTERISTICS 1.0

CLASSIFICATION SOCIETYDNV-GL

CLASS REGISTRATION NUMBER113218

CLASS NOTATION+100 A5 E, IW NLS C1D11 T5D22, Liquefied Gas Carrier, Type 2G, MC E AUT Inert

COMMERCIAL MANAGER/ OPERATORNAVIGATOR GAS L.L.C. 21 Palmer Street,London, SW1H 0AD United Kingdom Tel +44 (0) 20 7340 4850 Fax +44 (0) 20 7340 4858 E-mail [email protected]

DOC HOLDERNorthern Marine Management Ltd.Alba House, 2 Central Street, Clydebank, G81 2QR, Scotland, United Kingdom Tel +44 (0)1418 763 000 Fax +44 (0)1419 412 791 E-mail [email protected] [email protected] www.nmm-stena.comCompany IMO No. 1039244

P & I CLUBSTANDARD CLUBCharles Taylor & Co. Ltd. Standard House, 12/13 Essex Street, London, WC2R 3AA Tel +44 (0)20 3320 8888 Fax +44 (0)20 3320 8800 E-mail [email protected] standard-club.com

QUALIFIED INDIVIDUAL (QI) IN USAGallagher Marine Systems Inc. 200 Century Parkway, Suite D Mt Laurel, New Jersey 08054, USA. Tel +1 703 683 4700 Fax +1 856 642 3945 E-mail [email protected]

OSRONational Response Corporation 3500 Sunrise Highway, Suite 103 Great River, New York 11739, USA. Tel +1 631 224 9141 ext. 13 Fax +1 631 224 9126 E-mail [email protected]

F77 TELEPHONE not applicable F77 FAX not applicable

MINIVSAT (1) +44 (0)20 331 83381 MINIVSAT (2) +48 58 742 10 84

MOBILE PHONE not applicable

SAT.A/B/M/F/FB TEL. +881 677 718 684 SAT.A/B/M/FB TEL. 2 +881 677 718 685

SAT.A/B/M/FB FAX +870 765 100 832 SAT.A/B/M TLX not applicable

SAT.C TELEX 1 463 712 350 SAT.C TELEX 2 not applicable

SAT-C EMAIL [email protected]

INTERNET EMAIL [email protected]


NAVIGATOR PEGASUS


1.2 vessel dimensions & Tonnages

1.4 Deadweight

1.3 load lines

Length Overall 169.98 m Length between perpendiculars 160.70 m

Moulded (Extreme) Breadth 24.23 m Moulded (Extreme) Depth 16.74 m

FW allowance 0.23 m TPC 35.7 mt

Distance Keel – Top Antenna 42.70 m GRT 17,807.0 mt

NRT 5,343.0 mt Suez Canal Tonnage 52,081.0 cbm

Suez GRT 19,383.4 mt Suez NRT 18,384.6 mt

Panama Canal Tonnage 60,241.8 cbm Panama NRT 14,898.0 mt

Lightship Weight ~9,364.0 mt

LOAD LINE FREE BOARD DRAFT DEADWEIGHT DISPLACEMENT

Summer 5.66 m 11.05 m 23,640 mt 33,004 mt

Winter 5.66 m 11.05 m 23,640 mt 33,004 mt

Tropical 5.66 m 11.05 m 23,640 mt 33,004 mt

Light ship 11.03 m 5.67 m n/a 9,364 mt

Ballast condition 10.10 m 6.60 m 6,622 mt 15,986 mt

Full Cargo (Ammonia) ~18,002 mt

Full Cargo (Butadiene) n/a

Full Cargo (Butane) n/a

Full Cargo (Ethylene) n/a

Full Cargo (Propylene) ~16,644 mt

Full Cargo (Propane) ~16,103 mt

Full Cargo (LPG) ~16,394 mt

Full Cargo (VCM) ~23,580 mt

Ballast ~7,610 mt

Note: All figures for 95% bunkers


2.0CARGO INSTALLATION3.0MACHINERY4.0CARRYING CONDITIONS5.0ADDITIONAL INFORMATION

THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK



NAVIGATOR PEGASUS


2.0 CARGO INSTALLATION

2.1 TANK CAPACITIES/INTAKES

2.2 TANK CAPACITIES/INTAKES & drafts

DENSITY TANK 1 TANK 2 TANK 3 TANK 4 TOTALCubic Meter 100% n/a 4,991 5,741 5,738 5,741 22,212 cbm

Cubic Meter 98% n/a 4,891 5,626 5,623 5,627 21,768 cbm

Ammonia 0.68 3,336 3,837 3,835 3,837 14,846 mt

Butadiene 0.65 3,179 3,657 3,655 3,657 14,149 mt

Butane (n) 0.60 2,945 3,387 3,385 3,387 13,104 mt

Butene-1 0.62 3,052 3,511 3,509 3,511 13,583 mt

Crude-C4 0.62 3,008 3,460 3,458 3,460 13,387 mt

Ethane n/a n/a n/a n/a n/a n/a

Ethylene n/a n/a n/a n/a n/a n/a

LPG Mix (50/50) 0.60 2,910 3,348 3,346 3,348 12,952 mt

Propane 0.58 2,847 3,275 3,273 3,275 12,669 mt

Propylene 0.61 2,984 3,432 3,430 3,432 13,278 mt

VCM 0.97 4,759 5,474 5,472 5,475 21,180 mt

PRODUCT DENSITY (MT/CBM)

TEMP °C (FULLY REF)

TOTAL CARGO MIN DRAFT (25% BUNKERS)

MAX DRAFT (95% BUNKERS)

Ammonia 0.68 −33.5 14,846 mt 8.90 m 9.50 m

Butadiene 0.65 −4.5 14,149 mt 8.75 m 9.30 m

Butane (n) 0.60 −0.5 13,104 mt 8.45 m 9.05 m

Butene-1 0.63 −6.2 14,050 mt 8.40 m 9.00 m

Ethane n/a n/a n/a n/a n/a

Ethylene n/a n/a n/a n/a n/a

LPG Mix (50/50) 0.60 −20.0 12,952 mt 8.40 m 8.95 m

Propane 0.59 −42.1 12,669 mt 8.30 m 8.95 m

Propylene (pgm) 0.61 −47.3 13,278 mt 8.50 m 9.10 m

Propylene Ox. 0.82 34.4 17,863 mt 9.80 m 10.30 m

VCM 0.97 −13.4 21,180 mt 10.60 m 11.06 m

Note: The maximum intake various with loading temperature. As a general rule the maximum intake for a ’warm’ cargo is reduced with approximately 2.0% for every 10°C. Loading Propane (C3) at −30°C instead of −40°C will reduce the maximum intake with around 200 MT. For detailed intake calculations Owners must be contacted.

Note: Drafts given in table 2.2 are for even keel.

Note: Calculation carried out for S.W. (1.025 t/m3)



3.0MACHINERY4.0CARRYING CONDITIONS5.0ADDITIONAL INFORMATION

2.0CARGO INSTALLATION

2.3 MANIFOLD LAYOUT/ARRANGEMENT

TWO SEGREGATION MANIFOLD LAYOUT

Distance from centre of L1 to bow: 85.73 m

Distance from centre of L1 to stern: 84.25 m

Liquid connections (N’size) L1: 1 × 8“ / 300 ASAL2: 1 × 12“ / 300 ASA

Vapour Connections (N’size) V1: 1 × 6“ / 300 ASAV2: 1 × 8“ / 300 ASA

HFO 2 x 8“ / 150 ANSI

MDO 2 x 3“ / 150 ANSI

MDO MDOHFO V2 V1 L1 HFOL2

PORT

1.50 m1.90 m 1.90 m0.77 m 0.77 m

0.77 m

2.27 m

4.17 m

4.73 m

0.56 m 0.50 m1.50 m

STARBOARD

PORT

BOW

DRIP TRAYDISTANCE TO STERN: 82 m DISTANCE TO BOW: 88 m

STERN

LIQUID (L1, L2)

VAPOUR (V1, V2)

FUEL (MDO, HFO)

KEY

NAVIGATOR


NAVIGATOR PEGASUS


2.3.2 AVAILABLE REDUCERS

CONNECTION SIZE

Liquid 12” 300 × 16” 300

Liquid 12” 300 × 16” 150

Liquid 12” 300 × 12” 300

Liquid 12” 300 × 12” 150

Liquid 12” 300 × 10” 300

Liquid 12” 300 × 10” 150

Liquid 12” 300 × 8” 300

Liquid 12” 300 × 8” 150

Liquid 12” 300 × 6” 300

Liquid 12” 300 × 6” 150

Liquid 8” 300 × 10” 300

Liquid 8” 300 × 10” 150

Liquid 8” 300 × 8” 300

Liquid 8” 300 × 8” 150

Liquid 8” 300 × 6” 300

Liquid 8” 300 × 6” 150

CONNECTION SIZE

Vapour 8” 150 × 10” 150

Vapour 8” 150 × 8” 150

Vapour 8” 150 × 6” 150

Vapour 8” 150 × 4” 150

Vapour 6” 300 × 6” 150

Vapour 6” 150 × 8” 150

Vapour 6” 150 × 6” 150

Vapour 6” 150 × 4” 150

Vapour 6” 150 × 3” 150

Note: Any other dimensions can be sourced and delivered to the vessel





2.3.3 cross-section of the manifold

A Manifold to side shell 4.35 m

B Manifold to First Support (Cantilever) 0.56 m

C Manifold flange bottom to Drip Tray grating 1.00 m

D Manifold flange bottom to Main Deck 1.37 m

E Manifold to inner Drip Tray edge 0.37 m

F Manifold to outer Drip Tray edge 1.56 m

G WL to Manifold centre (Ballast 25% bunkers) 12.10 m

H WL to Manifold (LPG 75% bunkers) 9.70 m

I WL to Manifold (VCM 75% bunkers) 7.40 m

J Railing 1.33 m

K Manifold flange to Railing 4.15 m

FIRST SUPPORT

RAILING

INLINE VALVE

DRIP TRAY

1.56 m

VCM FULL CARGO

LPG FULL CARGO

NO CARGO

1.37 m1.00 m

0.37 m

1.33 m 7.40 m 9.70 m 12.10 m

0.56 m 4.35 m

4.15 m


NAVIGATOR PEGASUS


2.4 parallel body length

A Parallel body length ballast 71 m

B PBL C/L to aft ballast 37 m

C PBL C/L to fwd ballast 34 m

D Parallel body length LPG 76 m

E PBL C/L to aft LPG 40 m

F PBL C/L to fwd LPG 36 m

G Parallel body length scantling (VCM) 84 m

H PBL C/L to aft scantling 44 m

I PBL C/L to fwd scantling 40 m

Note: All figures for 75% bunkers

Note: Parallel body length is important in order to assess the suitability for the vessel to berth at a particular pier. The distance between the fenders at the terminal must correspond to the parallel body length of the vessel at arrival and departure drafts.

NAVIGATOR PEGASUS

DISTANCE TO STERN: 82m DISTANCE TO BOW: 88m


NAVIGATOR PEGASUS


3.0 MACHINERY

3.1 DECK MACHINERY & Equipment

3.2 MOORING/ANCHORING EQUIPMENT

MIDSHIPS CRANE 1 × Hose Handling Crane

Manufacturer Zhen Jiang Marine Aux. Machinery

Hosting Capacity S.W.L. 7.5 mt

Outreach 5 – 18 m

WINDLASSES

Number 2 (combined with mooring winches)

Manufacturer Wuwan Marine Machinery Plant

Driven by Electro-Hydraulic Pumpsets

Hauling Power 20 mt

BHP (Brake Holding Power) 135 mt

Maximum Pull 182.6 kN

MOORING WINCHES

Number 4 (with double drums)

Manufacturer Wuwan Marine Machinery Plant

Driven by Electro-Hydraulic Pumpsets

Hauling Power 12 mt

BHP (Brake Holding Power) 40 mt

Maximum Pull 117.6 kN

AFT CRANE 1 × Stores Handling Crane – Starboard

Manufacturer Zhen Jiang Marine Aux. Machinery

Hosting Capacity S.W.L. 2.0 mt

Outreach 2.2 – 8 m


VESSEL’S MAIN CHARACTERISTICS 1.02.0CARGO INSTALLATION

4.0CARRYING CONDITIONS5.0ADDITIONAL INFORMATION

3.0MACHINERY

ANCHORS

Number of shackles Port/Starboard 11/11 shackles (302.5 m)

MOORING ROPES

Type PP/PE BE Constituent Fiber

Number 14 (at standard mooring arrangement)

Diameter 52 mm

Length 220 m

Breaking Strength ~45 mt

EMERGENCY TOWING ARRANGEMENT Yes

Type Fwd (Chaffing Chain), S.W.L. 100 mt

Number Aft (Coiled Wire), length 80 m, diameter 65mm, S.W.L. 100 mt

STS CAPABILITIES Yes (as per OCIMF/ICS Ship To Ship transfer guide-liquified gas)


NAVIGATOR PEGASUS


3.2 MOORING/ANCHORING EQUIPMENT

FULL VESSEL VIEW

FOCUS AREAS

A

A

B

B

C D




3.0MACHINERY

C D

CRUCIFORM BOLLARD

CLOSED CHOCK

ROLLER

WINCH

MOORING WINCH

BOLLARD

KEY


NAVIGATOR PEGASUS


3.3 ENGINE MACHINERY & Equipment

MAIN ENGINE

No. of Cylinders 6

Type 6S50MC-C Mk7

Power 8,580 kW / 127 rpm

Total Available Power 8,494 kW / 127 rpm

Normal Service Power 7,722 kW / 122.6 rpm

Fuel Grade HFO 700 CST at 50°C

Main Engine HHM-MAN-B&W

AUXILIARY ENGINE

Number 3

Type ZJMD-MAN B&W 7L 23/30H

Power 1,120 kW (per engine)

Fuel Grade HFO 700 CST at 50°C

Electrical Current 450 V – 60 cycles

PROPELLER

Type 4 blade / fixed / right handed

Material Ni – Al Bronze Casting

Manufacturer Dalian DMD

Pitch 4.47 m

Diameter 5.50 m

BOW THRUSTERS n/a

Manufacturer n/a

Type n/a

Power n/a




3.0MACHINERY

3.4 BUNKER/Ballast POTABLE WATER INTAKES (LS HFO/LS MDO)

BUNKER

HFO (LS/HS) 100%97%

1,483 cbm1,439 cbm = 1,436 mts @ SG 0.998

MDO 100%97%

409 cbm397 cbm = 337 mts @ SG 0.850

Note:The ship is designed so that LS HFO can be taken into any of the ships HFO tanks as required by the trade. Flanges are located at cargo manifold, fore and aft.

BALLAST

Storage Capacity 6,975.2 cbm

Segregated Ballast Yes

Pumps 2

Capacity per unit 2× 300 cbm / hour

Location Engine Room

POTABLE WATER

Storage Capacity 2× 131.2 cbm

Fresh Water Generator Yes

Average daily prod. 15 mts / day

Average daily cons. 5 mts / day


NAVIGATOR PEGASUS


3.5 CARGO PUMPS

3.6 CARGO COMPRESSORS

PUMP DETAILS/TYPE DEEP WELL BOOSTER

Quantity 8 2

Manufacturer Svanehoj Svanehoj

Maximum density kg/cbm 0.972 0.680

Capacity Cbm/h nominal 250 500

Location Tank dome Near crossover

Speed RPM 1,785 1,785

Driven by Electric Motor Electric Motor

Power consumption 124 kW 143 kW

COMPRESSORS DETAILS/TYPE CARGO

Number 3

Manufacturer Sulzer

Type 2k-160-2H (piston compressor)

Oil Free Yesw




3.0MACHINERY

3.7 FUEL CONSUMPTION

SPEED BALLASTCONSUMPTION AT

WARRANTED SPEED – BALLAST

AT SEA – IN BALLAST

– NO COOLINGTOTAL

SPEED KNOTS IFO380 / IFO180 IFO380 / IFO180 IFO380 / IFO180

Warranted 16.00 31.00 3.0 34.00

Likely 16.00 29.00 3.0 32.00

ECO 15.00 25.00 3.0 28.00

Slow Steam 12.00 18.00 3.0 21.00

IN PORT – LOADING FULLY REF

IN PORT – DISCHARGING

FULLY REF

IN PORT – LOADING WARM

IN PORT – DISCHARGING

HEATED

IFO380 / IFO180 IFO380 / IFO180 IFO380 / IFO180 IFO380 / IFO180

6.00 7.00 8.00 8.00

SPEED LADENCONSUMPTION AT

WARRANTED SPEED – LADEN

AT SEA – LADEN – MAINTAINING (1)

OR COOLING TEMP.(2)TOTAL

SPEED KNOTS IFO380 / IFO180 IFO380 / IFO180 (1)

IFO380 / IFO180 (2)

IFO380 / IFO180 (1)

IFO380 / IFO180 (2)

Warranted 16.00 31.00 3.0 6.0 34.00 37.00

Likely 16.00 29.00 3.0 6.0 32.00 35.00

ECO 13.00 25.00 3.0 6.0 28.00 31.00

Slow Steam 12.00 18.00 3.0 6.0 21.00 24.00

AT SEA †

IN PORT †

†

†Note: Up to and including BFT 3 (All figures Approx.)

Note: Using Inert Gas (IG) generator for grade change/tank conditioning will add 5.4 MT MDO/day.

Note: For SECA area trading, the vessel will use low Sulphur (LS IFO380) on passage.

Note: For EU Port operation MDO will be used for instead of IFO.

Note: The vessel is a single fuel ship MDO/MGO is needed only for incineration, emergency, maintenance and fuel changes in/out from SECA areas. Est 0.1–0.2 mt/day in average.


NAVIGATOR PEGASUS


4.0 TRANSPORTABLE PRODUCTS AND TRANSPORT CONDITIONS

4.1 LIST OF CARGOES AS PER CERTIFICATE OF FITNESS

The gas handling and re-liquefaction plant is provided for the transportation of following liquefied gases, their saturated pressure (absolute) ranging between 1 and 5 bar and their saturated temperature between +45° and −48° C.

CARGO UN NUMBER CHEMICAL FORMULA BOILING POINTAcetaldehyde 1089 C2H4O 20.2

Anhydrous Ammonia 1005 NH3 −33.3°C

Butadiene 1010 C4H6 −4.4°C

Butene (Butylene) 1012 C4H8 n/a

Commercial Propane† 1978 C3H8 −42.09°C

Crude-C4 1010 n/a Varying

Iso-Butane 1011 C4H10 −11.7°C

Isoprene Monomer (I.P.M.) 1218 C5H8 34°C

LPG Mix 1075 n/a Varying

Normal Butane 1011 C4H10 −0.5°C

Propane 1978 C3H8 −42.09°C

Propane†/ Butane Mixtures 1075 n/a Varying

Propane†/ Ethane Mixtures 1075 n/a Varying

Propene (Propylene) 1077 C3H6 n/a

Propene Oxide (P.O.) 1280 C3H6O 34°C

Raffinate-1 1268 n/a Varying

Vinyl Chloride Monomer (V.C.M.) 1086 C2H3Cl −13.4°C

† Maximum Ethane percentage in Commercial Propane during liquid phase at saturated temperature is 2.5 Mole – % Ethane at 1.0 bar abs.

Note: Gas mixtures containing less than 5% total acetylenes may be transported with no further requirements


VESSEL’S MAIN CHARACTERISTICS 1.02.0CARGO INSTALLATION3.0MACHINERY

5.0ADDITIONAL INFORMATIONCARRYING CONDITIONS 4.0

Two different products can be carried fully segregated. Two products can be cooled, pressure and temperature maintained insofar as IMO regulations will be observed.Two grades can be loaded and discharged simultaneously if done without the use of booster pumps or cargo re-heater.

4.3 Simultaneous Transport of DIFFERENT Grades

4.3.1 CARGO TANKS CHARACTERISTICS

4.3.2 CARGO DECK TANKS

Number of tanks 4

Type bi-lobe – Independent Type C

Max. Tank Pressure IMO 4.30 bar (g)

Max. Tank Pressure USCG 3.30 bar (g)

Max. Permissible Vacuum 0.75 bar (abs.)

Min. Cargo Temperature −48°C

Max. Cargo Density 972 kg/cbm

Washing system if fitted No

Number of tanks 2

Tank Size 125 cbm (each)

Max. Pressure 18.0 bar (g)

Max. Tank Pressure USCG 18.0 bar (g)

Min. Cargo Temperature −48°C

Max. Cargo Density 972 kg/cbm

4.2 TRANSPORT CONDITIONS

Safety Relief Valve Settings 4.3 bar (g) IMO + GL (density 0.972)

3.3 bar (g) USCG


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4.4.2. LOADING SEMI-REFRIGERATED & AMBIENT CARGOES AT +18°C

Ammonia 400 cbm/hr

Butadiene 2,000 cbm/hr

Butane 2,000 cbm/hr

Propane 420 cbm/hr

VCM 2,000 cbm/hr

4.5 COOLING DOWN

4.6 Heat Loss due to Tank Insulation

CARGO TANK 1 TANK 2, 3, 4 (EACH)n/a n/a n/a

Average K-Value K = n/a

Cooling down of full cargo at a Sea water temperature of +20°C & +32°C

CARGO START TEMPERATURE AT 20°C (HOURS/1°C) AT 32°C (HOURS/1°C)Ammonia −29°C 27 30

Propane −39°C 23 25

Polymer Grade Propylene −45°C 25 27

VCM −10°C 17 20

The above calculations are based on cooling curve from Makers manuals and may vary depending of cargo purity and levels of incondensable fractions such as N2, O2 and C1/C2.

4.4 LOADING

All Cargoes 2,000 cbm/hr

4.4.1. LOADING FULLY REFRIGERATED CARGOES


VESSEL’S MAIN CHARACTERISTICS 1.02.0CARGO INSTALLATION3.0MACHINERY

5.0ADDITIONAL INFORMATION4.0CARRYING CONDITIONS

4.7 DISCHARGING

IN SERIES IN PARALLEL

No. of pumps able to work simultaneously 2 deep well pumps and 1 booster All deep well pumps

No. of Cargo Grades that can be discharged simultaneously: 2

AGAINST 120 m L.C. AGAINST 240 m L.C.All Cargoes 2,000 cbm/hr 1,000 cbm/hr

Time to discharge a full cargo using all pumps ~ 11 hours ~ 22 hours

4.8 Cargo WARMING UP

Number of Heaters 1

Type Direct cargo heater / vaporizer on open deck

Heating Medium Sea water (on shell side)

From saturated temperature at 1 bar absolute to −2 °C (Sea water temperature ~ +18°C).

CAPACITIESAnhydrous Ammonia 210 cbm/hr

Propane 330 cbm/hr

Propane / Butane mix 330cbm/hr

Propene (Propylene) 330 cbm/hr


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5.0 ADDITIONAL INFORMATION

5.1 Cargo Remaining On Board (ROB) after full dischargeNormal ROB at the end of unloading (at atmospheric conditions).

Vapour Mass / two Tanks (P/S) Total 4 Tanks (P/S)

Ammonia ~4.5 mts 18 mts

Butane ~14.0 mts 56 mts

Propane ~12.0 mts 48 mts

Propylene ~11.5 mts 46 mts

VCM ~15.5 mts 62 mts


VESSEL’S MAIN CHARACTERISTICS 1.02.0CARGO INSTALLATION3.0MACHINERY4.0CARRYING CONDITIONS

ADDITIONAL INFORMATION 5.0

5.2 Gas Freeing and InertingProducing inert gas and dry air for gas freeing of the cargo tanks, gas plant and associated systems in addition to feeding the hold spaces with dry air or inert gas as applicable. The I.G. Plant is based on an application of flue gas production.

5.2.1 INERT GAS PLANTThe nitrogen production plant is based on an application of the pressure swing adsorption (PSA-process) and consists of four absorbers which are filled with carbon molecular sieves.

Nitrogen Purity 99.0% 99.5% 99.9%

Capacity 1,200 Nm³/h 1,200 Nm³/h 1,200 Nm³/h

Dewpoint −50°C −50°C −50°C

GAS COMPOSITION

Nitrogen 99.0% 99.5% 99.9%

Oxygen 1.0% 0.5% 0.1%

Dewpoint at 0.75m HG −50°C −50°C −50°C

Discharge Pressure 6.0 bar (g) 6.5 bar (g) 6.5 bar (g)

Electrical Power Requirement 435 kW

Cooling Water Requirement 56 m3/hr

Dry Air Production Capacity 2,700 Nm3/hr

5.2.2 DECK FANSDeck fans are used for drying and venting void spaces with dry air.

Number 0


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5.3 MEASURING APPARATUS

5.3.1 CARGO LEVEL

Number 1 per Tank dome

Type Closed tank gauging with float

Manufacturer Henry system

Reading Tank Dome / Cargo Control Room / Bridge

Accuracy +/− 2 mm

5.3.2 CARGO TEMPERATURE

Number 2 × Analogue Thermometers, 3 per tank

Reading Tank / Cargo Control Room / Bridge

Accuracy +/− 1°C

Location Top (4,500 mm)

Middle (9,950 mm)

Bottom (16,700 mm)

5.3.3 TANK WALL TEMPERATURE SENSORS Number 5 per tank

Reading Cargo Control Room/Bridge

Accuracy +/− 1°C

Location Tank Wall Outside, acc. to GL Requirements

5.3.4 CARGO PRESSURE Number 1 per tank

Reading Tank Dome / Cargo Control Room / Bridge

Accuracy +/− 0.2 bar


VESSEL’S MAIN CHARACTERISTICS 1.02.0CARGO INSTALLATION3.0MACHINERY4.0CARRYING CONDITIONS


ADDITIONAL INFORMATION 5.0


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www.navigatorgas.com

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usa office399 Park Avenue, 38th Floor New York NY 10022 USA

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