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WHAT’s ON STAR Assalamu ‘alaykum On this occasion as we welcome the arrival of the new year 2016, on behalf of the management of Bintang Subsea I would like to take this opportunity to express our great appreciaon to all mem- bers of the Bintang Subsea team. We all work hard, oſten far into the night or even longer on project sites, and even though it may not always be menoned, your contribuon is noced. Once again, I thank you for working so hard, and for your connuous commitment and dedicaon. In 2015 we completed no less than 54 projects in various countries with a great variety of survey works performed. From Thailand to Turkmenistan, Myanmar, Gabon, PNG, Bahrain, Malaysia, Singapore, Vietnam, and Indonesia to name a few, Our personnel have really travelled the world. What a year! However like we all know, 2015 has been one of the most difficult years in the industry, largely as a result of falling oil prices. No company within this industry is immune to the turbulence. Em- ployee contract terminaon is no longer a surprise. As we have discussed in the end of year gathering in Jakarta, fortunately Bintang Subsea has been very steady during this period and we're hopeful that with the correct atude and the hard work we put in, we will come out even stronger when the industry recovers. I am excited about 2016 and beyond as we have a great team, advanced equipment and a network of reputable clients. Most of our clients have awarded us with repeat contracts, a clear sign of a connuous trust from them. For sure we will acquire new clients, and next year we will be targeng some new type of works which will see us keeping busy and building on our strong reputaon further. It's important for all of us to be posive despite all the challenges, because downturns also offer opportunies - opportunies to find more efficient and beer ways in everything we do. Finally, please pass on my message to all of your family, wives, husband, and kids for their support and understanding. Bring on 2016. Wassalamu ‘alaykum Regards Zein Khairudin President Director Bintang Subsea Indonesia Management Greengs Inside this issue: Recent Projects 2 Safety Moments 3 Safety Award 3 Safety Slogan 3 Office News 4 Welcome on Board 4 Good Luck 4 Newly Bride and Groom 5 Bintang Babies 5 The Other Side Of Sur- vey Acvity 6 Oil & Gas News 7 Happy Birthday’s 8 What’s so Funny 8 Workplace Safety Tips : A Comprehensive Resource 9 Tips & Tricks 7 Technical Knowledge : Electrical Ground for Marine Surveying 9 4TH EDITION - JANUARY 2016 Page 1 of 11

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WHAT’s ON STAR

Assalamu ‘alaykum On this occasion as we welcome the arrival of the new year 2016, on behalf of the management of Bintang Subsea I would like to take this opportunity to express our great appreciation to all mem-bers of the Bintang Subsea team. We all work hard, often far into the night or even longer on project sites, and even though it may not always be mentioned, your contribution is noticed. Once again, I thank you for working so hard, and for your continuous commitment and dedication. In 2015 we completed no less than 54 projects in various countries with a great variety of survey works performed. From Thailand to Turkmenistan, Myanmar, Gabon, PNG, Bahrain, Malaysia, Singapore, Vietnam, and Indonesia to name a few, Our personnel have really travelled the world. What a year! However like we all know, 2015 has been one of the most difficult years in the industry, largely as a result of falling oil prices. No company within this industry is immune to the turbulence. Em-ployee contract termination is no longer a surprise. As we have discussed in the end of year gathering in Jakarta, fortunately Bintang Subsea has been very steady during this period and we're hopeful that with the correct attitude and the hard work we put in, we will come out even stronger when the industry recovers. I am excited about 2016 and beyond as we have a great team, advanced equipment and a network of reputable clients. Most of our clients have awarded us with repeat contracts, a clear sign of a continuous trust from them. For sure we will acquire new clients, and next year we will be targeting some new type of works which will see us keeping busy and building on our strong reputation further. It's important for all of us to be positive despite all the challenges, because downturns also offer opportunities - opportunities to find more efficient and better ways in everything we do. Finally, please pass on my message to all of your family, wives, husband, and kids for their support and understanding. Bring on 2016. Wassalamu ‘alaykum Regards Zein Khairudin President Director Bintang Subsea Indonesia

Management Greetings Inside this issue:

Recent Projects 2

Safety Moments 3

Safety Award 3

Safety Slogan 3

Office News 4

Welcome on Board 4

Good Luck 4

Newly Bride and Groom 5

Bintang Babies 5

The Other Side Of Sur-vey Activity

6

Oil & Gas News 7

Happy Birthday’s 8

What’s so Funny 8

Workplace Safety Tips : A Comprehensive

Resource

9

Tips & Tricks 7

Technical Knowledge : Electrical Ground for

Marine Surveying 9

4TH EDITION - JANUARY 2016

Page 1 of 11

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Bintang Subsea successfully accomplished many projects for period July 2015 through to December 2015. We completed a wide range of work with no recordable injuries, a list of the main projects are provided below:

PT Bumi Sarana Migas - Site / Route Survey, Indonesia

EGS - Site / Route Survey, Indonesia

Petronas Carigali Ketapang II - Site / Route Survey, Indonesia

Geoquip Marine - DSV / ROV Support, Gabon

Bain & Company - Consultancy / QC, Singapore

Eagle Holdings Pte Ltd - Consultancy / QC, Indonesia

PT Vale Indonesia - Site / Route Survey, Indonesia

PT Boskalis International Indonesia - Site / Route Survey, Indonesia

Java Offshore - Site / Route Survey, Indonesia

Shelf Drilling - Rig Positioning, Malaysia

PT Boskalis International Indonesia - Site / Route Survey, Indonesia

DCN - SGI CONSORTIUM - Site / Route Survey, Indonesia

DCN - SGI CONSORTIUM - Site / Route Survey, Indonesia

Shelf Drilling - Rig Positioning, Indonesia & Malaysia

Geoquip Marine - DSV / ROV Support, Bahrain

PT Seascape Surveys Indonesia - Consultancy / QC, Indonesia

PT Sigur Ros Indonesia - Offshore Construction, Indonesia

Shipowners - Consultancy / QC, Singapore

M3 Marine - Consultancy / QC, Singapore

PT Aneka Jasa Ghradika - Site / Route Survey, Indonesia

PT Vale Indonesia - Site / Route Survey, Indonesia

Fugro - TSM - Subsea Inspection, Malaysia

Recent Project

WHAT’s ON STAR

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Following are safety moments compiled from May-October 2014. Safety moments were distributed to all employees and project.

May 2015—Improper LD4 Veripos Operation

Description

LD4 Veripos was operated and located inside junction box that exposed direct sunlight the LD4 unit was overheat.

Immediate Action Put a cover to protect the Veripos from direct sunlight exposure. Cool the Veripos with wet cloth.

Recommendation Don’t operate the LD4 under direct sunlight as it will temporary stop working if the box tem-perature reaches 55°C . Always put cover to protect the LD4 from sun light. Read the manual Aug 2015—Contact Between Survey Vessel and Bunkering Vessel

Description

Bunkering vessel made contact with our Survey Pole and pushed down the pole for a half of minute. Survey pole is remain intact and suffered no visible damage. No communications or navigation warnings had been issued by both vessel’s Master, following the bunker vessel’s movement into the Port Quarter of Survey Vessel. Recommendation

Conduct a short briefing with Bunker vessel’s master and Survey Vessel’s master regard-ing the safe distance and survey pole position during bunkering.

Both vessel’s master and watchkeeping officer must possess a functional radio communi-cation during vessel movement to prevent collision

Ensure bunkering procedure is well implemented and inform to related personnel

Survey personnel to remind vessel crew (including bunker personnel) related installation

activity (position, work method etc) bunker vessel aware of other activity on board

November 2015—Safe Use Chains in Rigging Description A member has reported an incident which a chain link parted when a shock load was introduced to the chains. The incident occurred during pipelay operations onboard a vessel. A constant tension winch was being used to transfer the first end of the pipe from the reel to the pipelay system.

Lesson Learnt

Never wrap a chain around a diameter which is less than twice the diameter of the chain link;

Never twist, knot or trap chain slings;

It is recommended to use packing on edges to reduce the side loading on chain links;

When attaching more than one chain to a shackle/hook always avoid overcrowding or use a master link;

Never use a chain where there is potential for it to be exposed to dynamic or shock loads.

Safety Moments

Safety Slogan

“tomorrow is your reward for working

safely today”

WHAT’s ON STAR

Safety Award Stevanus Tommy - Best SOC win win MAP Voucher for 2 million “ when did bunkering saw the people smoking at bunker vessel. And saw the transfer fuel hose leak. The fuel leak can be be seen at floor deck“

Edward A. Yulian - Most SOC card submission win MAP Voucher for 1 million Edward has submitted 77 SOCs for period April 2015 – October 2015

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Safety Slogan “No job is so important and no service is so urgent that

we cannot take time to perform our work safely.”

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Office News

Welcome Onboard ! Riyanto Citrosuwarno Survey Coordinator [email protected] Shahminan Ali Director - Bintang Subsea Brunei [email protected]

WHAT’s ON STAR

Good Luck

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Bintang Subsea held a Breakfast event for all Moslem employees.

Bintang Subsea actively participated in SURVENGER - Survey Company Gathering event. Bintang Subsea won the Futsal competition. Congratulation to all players!

Bintang Subsea held in house training sessions covering: Qinsy 2015 Update Terramodel Basic Rigging &. Knots.

Bintang Subsea held a FITCAMP session for staff.

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Management Introduction

Shahminan Ali graduated from University of East London and joined Shell Group with Brunei Shell Petroleum (BSP) on 15th June 1992 as Senior Technical Assistance to Hydrographic Surveyor. He was responsible for manning the day-to-day operation for three-demarcation survey vessels. Back then, he co-ordinated the buoy dropping operation for rigs, construction barges and workboat in preparation for anchors placement. He worked with Marine Department for update on Anchor Pattern Planning chart and responsible in maintaining BSP/Racal Syledis station. In September 1997, Shahminan was promoted to Office Surveyor level within Topographical Department and was the Team Lead for Onshore and Legal Mapping. The highlight of his career during this period was his involvement as Project Surveyor for the 1st Road Map of Brunei Darussalam. This project was a collaboration effort between BSP and Survey department of Negara Brunei Darussalam. In October 1998, BSP has undergone re-organisation and Shahminan’s Job title was changed to Geomatician II. His roles and responsi-bilities has widen from not only as Team Lead for Onshore and Legal Mapping but to include as the Team Lead for BSP GroupGIS (GG). The Highlight of his career during this period was elected as BSP Corporate HAZE Team, where he was awarded CODE 40 for his contri-bution. He also volunteered himself for FRD (Focus Result Delivery) on BSP Environmental Data Management. He also represents BSP for ASEAN Oil and Gas Conference and presented a paper on Automatic Vessel Tracking in Jakarta, Indonesia. In October 1999, Shahminan has moved out from Geomatics Discipline to joined BSP Health, Safety and Environment Department (HSE). His first task was to lead a team in conducting Stakeholder Engagement for Produced Water Disposal. This is the first time BSP has carried out Stakeholder engagement and Shahminan managed to execute the process with great success. Following on after that, Shahminan has lead several others stakeholder engagement and Environmental Impact Assessment on behalf of BSP. This is to in-clude Environmental Impact Assessment and Stakeholder Engagement for Kuala Belait Breakwater Project, Environmental Impact Assessment for Oil Based Mud Disposal Option and Labi Wells Remediation and Decommissioning Project. In March 2001, BSP has re-organised from functional Department to Asset Department and Shahminan has been deployed as a HSE Adviser for Technical Directorate. During this period, Shahminan has involved in providing advise on any HSE related matters. The task ranged from involvement in HEMP, incident investigation, HSE Contract review, advise on HSE plan to Management Review. The high-light of his career was when he led a team to successfully getting an ISO14001 certification for Technical Directorate at the 1st attempt. He was awarded a CODE 40 for this achievement. He was appointed EMR (Environment Management Representative) for Technical Directorate and reporting to Technical Director to ensure sustainability of ISO14001 certification. In August 2002, Shahminan was back to Geomatics Department as Team Lead for Onshore Survey. During this period he has spear-head the Asset Mapping Back to Basic (Project No.14) and managed to push for the introduction and implementation of BSP Mappa-ble Changes Policy. He was appointed as Project Surveyor for various pipeline and onshore construction work such as onshore pipe-line replacement project. He was appointed as a Team Lead for Seria Flooding Remediation Project and co-ordinate for Geomatics Survey Support to Flooding study. In December 2005, Shahminan joined Shell UK Ltd and Europe (SUKEP) as Geomatics Offshore Surveyor. His main responsibility was as a Rig Move Surveyor for Shell Europe excluding Southern North Sea. He was appointed as Rig Move Positioning Contract Holder in 2007 and managed Rig Move contractors. Over the period of 2008, Shahminan has joined the Seabed Survey group and has managed several deepwater survey projects, deepwater Engineering and underwater acoustic measurement. Late 2009, Shahminan is back to Brunei Shell as Team Leader for Offshore Survey responsible for shallow and deepwater offshore surveying, offshore surface and underwater positioning, underwater Pipeline Inspection using ROV, engineering and seismic activities. After almost 23 years with BSP, In February 2015, Shahminan left Brunei Shell Petroleum and pursue his career as a Consultant spe-cializing in area on Geomatics related activities, HSSE and Training. Outside office hours, Shahminan is a keen football player and has been a Chelsea Fan since early 80s.

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Shahminan Ali Managing Director (Bintang Subsea Brunei) [email protected]

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Newly Bride and Groom

WHAT’s ON STAR

Bintang Babies

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ZIYAAD MISCHA SHAKA AISYAH

ZULMI SENO ALISHA

Congratulation for Salim, Bu Viona, Dave, Ben, Toro, Johan, Riyanto and Achsani! May your baby bring bless and happiness !

Congratulation to the brides and grooms! May your happily ever after.

Yudovan and Ratih

Frezi and Isfa

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The Other Side Of Survey Activity

WHAT’s ON STAR

Through the good or bad weather.. Through the hot sunlight or cold weather.. Through the calm or rough sea.. They work for the BEST and come home safely for the loving one.. FAMILY

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Tokyo Gas, Pertamina Plan LNG Receiving Terminal In Indonesia November 10th, 2015 Tokyo Gas and Pertamina will build a LNG receiving terminal in Indonesia, Nikkei Asia reviewreported Tuesday. The terminal, with a capacity of 200,000 to 400,000 kiloliters, will come up at Bojonegara, West Java and will cost around 100 billion yen ($810 million). It is expected to become operational in 2018, Nikkei said. The LNG will be sold to domestic factories and natural-gas-fired power plants. This will be Indonesia's first purpose-built LNG receiving terminal. The two parties will set up a joint venture to run the import termi-nal. Mitsui & Co. is expected to take a stake in the company, with the Japan Bank for International Cooperation potentially participating as well, Nikkeireported. It is the first step in a strategic LNG alliance between Tokyo Gas and Pertamina initiated with a memorandum of understanding signed in February. In recent years, Indonesian domestic gas demand has jumped significantly amid declining production leading to rise in imports. Source: http://www.naturalgasasia.com/

Indonesia Approves $3.6B Investments in 18 Oil, Gas Projects September 08, 2015

The Indonesian government approved plans to invest $3.652 billion (IDR 51 trillion) to develop of 18 oil and gas fields in the year to Sept. 2, the country's upstream regulator SKK Migas announced Sunday. These investments – proposed by local and foreign oil and gas companies since the beginning of this year – are expected to generate $10.552 billion (IDR 148 trillion) in state revenue, SKK Migas Spokesman Elan Biantoro said. Among the approved projects include Chevron Corp.'s unit Chevron Pacific Indonesia’s Sumur Gulamo North-01 well in Riau province's Rokan Block at a cost of $1.2 million. Pacific Oil and Gas Ltd. will proceed with its $53.5 million development of the Parit Minyak field in the Kisaran Block in North Sumatra, while PT Pertamina Hulu Energi – a subsidiary of Indonesia's national oil company PT Pertamina – will carry out similar work at the Foxtrot field in the Offshore North West Java (ONWJ) Block for $425.5 million. SKKMigas also granted approval for the revised plan of development for the Tiung Biru-Jambaran field in the Cepu Block, Central Java, where the investment is estimated at $2.06 billion. “We hope for support from all parties so that the planned oil and gas field developments can work in accordance with the schedule,” Elan said, as reported by local daily Jakarta Globe. The SKK Migas spokesman added that the upstream regulator has received Inpex Corp.'s revised plan of development for the Abadi field in the Masela Block, Arafura Sea, Indonesia last week. Inpex has indicated in the revised field development plan that it intends to build a floating facility for liquefied natural gas with processing capacity of up to 7.5 million tons per year. “We will have intensive discussions so that the approval recommendations can be given as soon as possible to the energy minister,” Elan said. Meanwhile, Southeast Asia's largest country will rejoin the Organization of Petroleum Exporting Countries (OPEC) and become a full mem-ber of OPEC in December, Indonesia's Minister for Energy and Mineral Resources Sudirman Said said Tuesday, as reported by the Jakarta Globe. "We have received official confirmation from the Secretary General of OPEC that the all existing members welcome the reactivation of Indo-nesia as a full member," Sudirman Said said ahead of OPEC's next meeting scheduled for Dec. 4 in Vienna. Indonesia, Asia's only OPEC member state, suspended its participation in the oil cartel in 2009 after it became a next exporter as rising do-mestic consumption outstripped local production. The country aims to produce 825,000 barrels of oil per day (bopd) this year although it could miss this target as only 812,000 bopd are expected to be produced due to project delays, SKK Migas said recently. Source: http://www.rigzone.com/

Oil & Gas News WHAT’s ON STAR

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WHAT’s ON STAR HAPPY B’DAY

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Riyanto, Jul 8

Andre Nilson, Jul 22

M. Huzaery, Aug 5

Salim, Aug 12

Mega , Aug 13

Cahyo , Aug 23

Andri, Aug 29

Rahmawan, Sep 1st

Viona, Sep 3rd

Aldia, Sep 4rd

Johan , Sep 6th

Priske, Sep 30th

Zein ,Oct 30th

Nindy, Aug 20th

Frezi , Oct 21th

Zaid, Nov 28th

Giantoro, Nov 21

Agus. ,Nov 8th

Dewi, Dec 7th

Brad, Dec 9th

Edy , Dec 21th

What’s so Funny

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WHAT’s ON STAR WORKPLACE SAFETY TIPS A COMPREHENSIVE RESOURCE

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GENERAL PRECAUTIONS

Your safety is your personal responsibility.

Always follow the correct procedures.

Never take shortcuts.

Take responsibility and clean up if you made a mess.

Clean and organize your workspace.

Ensure a clear and easy route to emergency exits and equipment.

Be alert and awake on the job.

Be attentive at all times to your work surroundings.

When in doubt, contact party chief or manager for instruction, guidance, or training.

Never take risks when it comes to safety.

Obey safety signs, stickers, and tags.

Take short breaks when you keep up a repetitive motion for a long period of time, and sit, stand, or walk with

good posture.

Report serious injuries immediately to a party chief and get emergency assistance.

Keep things in perspective. Hazards may be limitless, so focus on the most likely risks first.

AN UPLIFTING THOUGHT: LIFTING AND CLIMBING SAFELY

Always use both hands when lifting a heavy or cumbersome object.

Adopt a proper stance for lifting: put the strain on your legs, not your back (crouch at

your feet, keep your back straight, and don’t bend at the waist).

Test the weight before you lift something up completely; it might be too late if

you realize a few seconds later that it’s too heavy or cumbersome for you. An easy

way to do this is to nudge it with your foot first.

Consider a back brace if the work is heavy or you have a sensitive back.

Move your feet, not your back, when you want to travel or turn while carrying a

heavy load.

Lift slowly and smoothly.

Keep your burden close to your body; this means less strain on you.

If your load is too heavy for you to handle alone, don’t be shy—ask for help!

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WHAT’s ON STAR

WORKPLACE SAFETY TIPS A COMPREHENSIVE RESOURCE

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Ensure ladders are secure and steady before climbing aboard.

Never climb on improvised ladders. Shelves and storage units are poor substitutes.

Don’t be lazy, and find a proper solid ladder.

Don’t let appearances fool you. Railings might appear solid and fixed, but they

might be improperly secures; at least, test them first.

Use safety harnesses if your job includes heights.

Eliminate distractions when working on a roof, scaffold, or other elevated

platform. More than ever, stay focused and alert!

Keep an eye out on the floor to ensure it’s free of obstacles and spills. If it isn’t, get

cleaning!

TOOLS AND MACHINERY: PUTTING SAFETY FIRST

Use machinery only if you’re authorized, trained, and alert.

Always use the appropriate tool for the respective task.

Clean your tools and keep them in good working order.

Organize your tools and don’t be careless; someone could easily slip or get hit due to a misplaced object.

Always ensure that the operator of a machine sees you; never approach from behind or from a blind side.

Do not perform a task unless you’ve been trained and you are aware of the hazards as well as how to

mitigate/eliminate them.

Never leave machinery running unattended.

Never remove safety guards that are in place to protect you and the surrounding area.

Obey all operating instructions.

If something is wrong, stop the machine immediately and get assistance.

Communicate your location and process to those around you, so they’ll know where you are, what you’re

doing, and when they need to be getting out of the way.

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WHAT’s ON STAR

WORKPLACE SAFETY TIPS A COMPREHENSIVE RESOURCE

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Never walk in front of a forklift, tractor, or any other heavy machine; the operator may not have seen

you—and, even if he has, there’s always room for error, so make sure that error isn’t you being

trampled.

Always read labels and instructions alerting you to potential dangers and hazards.

Unless it’s your job, never tamper with electric controls, cords, switches, or other such

hazardous items.

Dress properly and compactly: billowing, loose, or hanging clothes and accessories

(ties, earrings, bracelets, loose sleeves, etc.) may easily get caught up in moving parts.

At best, the offending objects may be destroyed; at worst, they could ruin the machine or

severly hurt you.

Never insert fingers or any other objects that don’t belong into moving machinery.

Turn off machines and equipment before you even consider cleaning, un-jamming, oiling, ad justing, or

moving them.

GEARING UP FOR SAFETY

Always wear appropriate clothing and shoes respective to your job.

Fire extinguishers must be available and readily attainable.

First aid kits must be available and readily attainable.

Never remove or tamper with safety devices.

Use a back brace if you’re lifting heavy objects or you’ve got a sensitive back.

A hard hat will protect you if there’s a risk of falling objects

Wear gloves if you’re handling sharp objects or toxic substances.

Wear goggles if your work poses a hazard to your eyes.

Wear safety harnesses if you’re working from an elevated location and there’s the risk of falling.

Wear non-skid footgear:

If your workspace involves slippery surfaces (kitchens, spas, pools, etc.)

If you’re lifting heavy items

Wear a breathing mask if you deal with dangerous or toxic chemicals or fumes, Your workspace has poor

ventilation, and has debris, dust, and other flying particles.

Wear the protective equipment that is intended and recommended for your particular task.

Seat belts

Safety glasses or goggles

Protective clothing, headgear, footgear, safety harnesses, etc.

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WHAT’s ON STAR Technical Knowledge ELECTRICAL GROUND FOR MARINE SURVEYING Prepared by: Achsani Takwim

Page 9 of 11

One of the most common problem that happen during site survey is electrical grounding for survey equipment. Sometime the boat is equipped with proper grounding point which is can be used to ground our survey equipment by simply connecting our ground cable to the stud. Grounding on boats is both simple and complex. With the ever-increasing number of devices found on many boats these days, grounding is more important than ever to maintain safety and performance. Be sure to hook all devices to ground. So what is a ground and how is it accomplished on boats? Ground is exactly what it sounds like—the earth is ground. Ground is zero volts, a reference potential of zero. But grounding is more complex than just hooking a device to the earth. Electricity is a phenomenon where electrons become excited within atomic structures, causing an energy buildup. Copper is a very good conductor of excess electron energy—which we call electricity. In order for electricity to flow and accomplish work (i.e. lighting up a display), the electron energy must move from the source to the load and back to the source. This is the basic idea behind a circuit.

Common Boat Grounding System

Unfortunately, when we hire or rent a boat, a suitable earth point can’t be found, so we need to establish our own grounding system by using ”sea earth” which mean connecting earth stud directly to the water using an adequate length of heavy wire, with the insulation removed from the submerged end in the water. Some of survey equip-ment’s data, for instance Sub-bottom Profiler, Echo-sounder, and USBL, are very sensitive to ground.

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WHAT’s ON STAR Technical Knowledge ELECTRICAL GROUND FOR MARINE SURVEYING Prepared by: Achsani Takwim

Page 10 of 11

How to make proper a sea earth:

1. Use minimum 25 mm2 or larger copper wire (min 4 AWG) with min 1 meter of insulation cable stripped off with all exposed copper cable in the water.

2. The grounding cable need to be attached tightly to the transducer pole to ensure that the sea earth cable is in the water at all time during towing activity even during heavy roll.

3. A weight will also be necessary to keep the wire submerged when the vessel is underway. 4. It is recommended that grounding arrangements are checked regularly as corrosion or abrasion (or metal

cutting gear!) can cause damage which may result in the equipment becoming unsafe from having an in-effective earth.

5. If you have battery onboard, you can connect its negative pole to sea earth ground terminal as a DC ground point.

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WHAT’s ON STAR Technical Knowledge ELECTRICAL GROUND FOR MARINE SURVEYING Prepared by: Achsani Takwim

Page 11 of 11

: Source http://www.marinesurvey.com/yacht/ElectricalSystems.htm

http://www.westmarine.com/WestAdvisor/Marine-Grounding-Systems http://appliedacoustics.com/sites/default/files/page-files/CSP-D_0.pdf

Ground Faulty Prevention for HV equipment

Always use UPS or Power Board equipped with surge arrester (Note: Bintang Subsea UPS APC 1100 is equipped with surge arrester)

Use MOXA Opto isolator (http://www.moxa.com/product/tcc-82.htm) or MOXA serial card which has elec-tric isolation and surge arrester (http://www.moxa.com/product/CP-118E-A-I_CP-138E-A-I.htm) for any serial connection.

Use three pin (L, N, G) UK standard power cable.

Do regular check for corrosion, continuity, and resistance between equipment ground pin and ground rod (R < 0.1 Ohm).

Power source for HV equipment need to be separated from another devices.

Always bond any metal part of your device (box, enclosure, chassis, frame, etc.) to ground point.