Maersk. Anchor Handling Simulator Course

688 Pages·26.519 MB·English

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Anchor Handling
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Simulator Course

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“Best Practise in
Anchor Handling”
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yp 1. Program. Abbreviations
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2. Risk Assessment. Planning

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t 3. Calculations: Winch, Weight, Catenary
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4. Anchor Deployment – PCP. Example of…

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AH – Winches. Winch Computers.
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Wire Drums. Chain Wheels
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(Incl. checklist)

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7. Shark Jaws, KARM FORKS
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M 8. Wire Rope: Guidelines. Maintenance
Anchor Handling Equipment
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Swivel – Pin Extractor – Socket Bench
Balmoral Marine
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Marine Equipment Handbook
11. Bruce: Dennla & FFTS Mk 4
12. Vryhof Anchor Manual 2005
Anchor Handling
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Breaking the anchor…..
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14. Ship Handling. Manoeuvring p
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15. Drilling Units / - Operations y
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Manual standard clause

This manual is the property of Maersk Training Centre A/S (hereinafter “MTC A/S) and is only
for the use of Course participants conducting courses at MTC A/S.

This manual shall not affect the legal relationship or liability of MTC A/S with or to any third party
and neither shall such third party be entitled to reply upon it.

MTC A/S shall have no liability for technical or editorial errors or omissions in this manual; nor
any damage, including but not limited to direct, punitive, incidental, or consequential damages
resulting from or arising out of its use.

No part of this manual may be reproduced in any shape or form or by any means electronically,
mechanically, by photocopying, recording or otherwise, without the prior permission of MTC
A/S.

Copyright © MTC 2005-08-31

Prepared by: PFR

Modified & printed: 2005-08-31 Version: 5.1

Modified by: PFR

Internal reference:
M:\ANCHOR HANDLING\Course Material\Training Manual New\Chapter 00\2.0 Index.doc

Contact MTC

Maersk Training Centre A/S
Dyrekredsen 4
Rantzausminde
5700 Svendborg
Denmark

Phone: [phone]
Telefax: [phone]
Telex: SVBMTC
E-mail: [email protected]
Homepage: WWW.MAERSKTRAININGCENTRE.COM

Managing Director: Claus Bihl

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Chapter 00 Page 2
2.0 Index 4
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Introduction to the Anchor Handling Course
Background
A.P.Møller owns and operates a modern fleet of anchor handling vessels.
The vessels are chartered to oil companies, and rig operators; the jobs are anchor handling, tow
and construction jobs.
The technical development of these ships has been fast to meet the increased demands.
The demands to the performance of the ships have been increased too.
A few hours off service can mean large economic losses for the different parties involved.
In the last years an increased focus have been on avoiding accidents, and the frequency of
these accidents are low. To get the frequency even lower, actions to avoid accidents are
needed. “Learning by doing”, on board an anchor handling vessels as the only mean of
education, will not be accepted in the future. Part of this training process needs to be moved
ashore, where crew, ship and equipment can be tested without risk in all situations.
Here we will use the anchor-handling simulator.
A study of accidents and incidents occurred on anchor handling vessels (AHV) during anchor
handling operations reveals that some of the most common causes leading to incidents and/or
accidents are lack of or inadequate:
• Experience
• Knowledge
• Planning
• Risk assessment
• Communication
• Teamwork
• Awareness
The keywords for addressing these causes are: “training, training and more training”
The value of on-board, hands-on training is well known and beyond any doubt but the
knowledge and experience gained is sometimes paid with loss of human life or limbs,
environmental pollution and/or costly damage to property.
This simulator course was developed in order to give new officers on AHV’s the possibility of
acquiring the basic knowledge and skills in a “as close to the real thing as possible”
environment, the only thing, however, that might get damaged is “ones own pride”.
The aims of the anchor handling course are:
• To promote safe and efficient anchor handling operations by enhancing the bridge teams
knowledge of, and skills in anchor handling operations.

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T he objectives of the anchor handling course are:
B y planning of and, in the simulator, carrying out anchor handling operations under normal
conditions, the participant shall demonstrate a thorough knowledge of and basic skills in:
• Planning and risk assessment of anchor handling operations adhering to procedures and
safety rules
• As conning officer carry out exercises in anchor handling operations
• As winch operator carry out exercises in anchor handling operations
• On user level, the design, general maintenance and correct safe use of anchor handling
equipment
• The use of correct phraseology
The simulator course
The course consists of theoretical lessons alternating with simulator exercises.
The theoretical lessons
The theoretical lessons addresses:
• AHV deck lay-out and equipment
• AH winch (electrical and hydraulic) lay-out and function
• Anchor types, chain, wires, grapnels, etc. maintenance and use
• Planning of AH operations
• Risk assessment
• Procedures
• Safety aspects and rules
The simulator exercises
The simulator exercises consist of one familiarisation exercise and 3 to 4 AH operations. The
weather condition during the exercises will be favourable and other conditions normal.
The tasks in the AH exercises are:
• Preparing the AHV for anchor handling
• Running out an anchor on a water depth of 100 to 700 meters
• Retrieving an anchor from a water depth of 100 to 700 meters
• Operating an anchor system with insert wire
During the simulator exercises the participants will man the bridge. They will be forming a bridge
team, one acting as the conning officer the other as the winch operator. A captain/chief
engineer will act as a consultant.
Before commencing the exercise, the participants are expected to make a thorough planning of
the AH operation. They will present the plan to the instructor in the pre-operation briefing for
verification.
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During the exercises, the simulator operator will act and communicate as all relevant personnel
e.g.:
• Deckhands – engine room
• Rig crew – crane driver – tow master
• Etc.
The instructor will monitor the progress of the exercises and evaluate the performance of the
team and each individual.
Debriefing
Each exercise will be followed by a debriefing session during which the instructor and the team
will discuss the progress and the outcome of the exercise.
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Commonly used abbreviations:

AHTS: Anchor Handling Tug Supply
AHV: Anchor Handling Vessel
AHW: Anchor Handling Winch
AUV: Autonomous Underwater Vehicle
BL: Breaking Load
BOP: Blow Out Preventer
BP: Bollard Pull
CALM: Catenary Anchored Leg Mooring
CBL: Calculated Breaking Load
DEA: Drag Embedded Anchor
DMW: Dead Man Wire
DP: Dynamic Positioning
DPO: Dynamic Positioning Officer
DSV: Diving Support Vessel
FPU: Floating Production Unit
FPDSO: Floating Production Drilling Storage and Offloading
FPSO: Floating Production Storage and Offloading
FPS: Floating Production System
HHP: High Holding Power Anchors
HLV: Heavy Lift Vessel
HPR: Hydro Acoustic Positioning Reference
HSE: Health Safety and Environment
ISM: International Ships Management
MBL: Minimum Breaking Load
MODU: Mobil Offshore Drilling Unit
OBM: Oil Based Mud
OIM: Oil Installation Manager
PCP: Permanent Chaser Pennant
PL: Proof Load
PLV: Pipe Laying Vessel
PSV: Platform Supply Vessel
QES: Quality Environment Safety
QMS: Quality Management System
ROV: Remotely Operated Vehicle
ROT: Remotely Operated Tool
RTV: Rock Dumping / Trenching Vessel
SALM: Single Anchor Leg Mooring
SBM: Single Buoy Mooring
SCA: Suction Caisson Anchor
SEPLA: Suction Embedded Plate Anchor.
SF: Safety Factor
SPM: Single Point Mooring
SSAV: Semi Submersible Accommodation Vessel
SSCV: Semi Submersible Crane Vessel
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SWL: Safe Working Load p
TLP: Tension Leg Platform y
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TW: Towing Winch / Tow Wire
VLA: Vertical Load Anchors
VSP: Vertical Seismic Survey
WLL: Working Load Limit
WW: Work Wire

Weight in water: Weight in air x 0.85

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Planning and Risk Assessment

Risk Assessment
Some people have a hard time believing that risk assessment has been in the Maritime industry
since “Day One” – since plans for the “ARK” were drawn up. Hazards were appreciated and
control measures added mentally before activities were completed safely. The difference to day
is that they have to be documented like so many other items under the banner of the ISM code
and national / international legislation.
It is not a blame culture as seen by a hard core of seafarers.

Obviously it is easy to stand back and comment with hindsight: "If this had been done, then this
would not have occurred".

The company is required to comply with customers' requirements, and to ensure protection of
the environment, property, the health and safety of the employees and other persons, as far as
reasonably practicable, by the application of certain principles. These principles include the
avoidance of risks, the evaluation of unavoidable risks and the action required to reduce such
risks.

A "Risk Assessment" is a careful examination of the process and its elements to ensure that the
right decisions are made and the adequate precautions are in place thereby preventing risks.

Risk is formed from two elements:
• The likelihood (probability) that a hazard may occur;
• The consequences (potential) of the hazardous event.

To avoid or reduce damage to:
• Human life
• Environment, internal and/or external
• Property

Minimise risks by listing the possible effects of any action, and assessing the likelihood of each
negative event, as well as how much damage it could inflict. Look for external factors, which
could affect your decision. Try to quantify the likelihood of - and reasons for - your plan failing.
Itemising such factors is a step towards the making of contingency plans dealing with any
problem.

Use judgement and experience to minimise doubt as much as possible. Think through the
consequences of activities, be prepared to compromise, and consider timing carefully. Be aware
of that people are not always aware of the risks, as they can’t see them.

An example:
“A man standing close to the stern roller”: One of the risks is, that he can fall in the water. As a
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On the other hand:
“During an anchor handling operation an AB is hit in his forehead by a crowbar while he is
punching a shackle pin out using a crowbar. The wire rotates caused by torsion in the wire – he
can’t see the hazard – so he is not aware of the risk when using a crowbar.

An initial risk assessment shall be made to identify and list all the processes and their
associated hazards. Those processes having an inconsequential or trivial risk should be
recorded, and will not require further assessment. Those activities having a significant risk must
be subject to a detailed risk assessment.
A risk assessment is required to be "suitable and sufficient" with emphasis placed on
practicality. The level of detail in a risk assessment should be broadly proportionate to the tasks.

The essential requirements for risk assessment are:
• A careful examination of what, in the nature of activities, could cause risks. Decisions
can then be made as to whether enough precautions have been taken or whether
more should be done to prevent the risks.
• After identifying the risks and establishing if they are significant, you should consider if
they are already covered by other precautions. These precautions can for example be
Work Place Instructions, Work Environment Manual, Code of Safe Working Practices
for Merchant Seaman, Procedures, checklists etc. and also the likelihood of failure of
the precautions already in place.

Where significant risks have been identified a detailed risk assessment in writing must be
carried out and recorded appropriately.
The assessment should consider all potential risks, such as who might be harmed and how, fire
and explosion, toxic contamination, oil and chemical pollution, property damage and non-
conformances.

What may happen?

Get a general view of:
• The process, i.e., materials to be used, activities to be carried out, procedures and
equipment to be used, stages of human involvement, and the unexpected operational
failure which may result in further risks.

Determine the probability:
• Quantification: Low - Medium - High

Focus on the potential hazardous situations and assess consequences if it happens:
• Quantification: Low - Medium - High.

How will it be possible to intervene, and / or to reduce the risk?
• What can be done to reduce the probability?
• What can be done to reduce the consequences?
• Decide whether existing precautions are adequate or more should be done.
• Record it. k
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