- •Introduction to the Anchor Handling Course
- •Technical Specifications:
- •Winch Layout:
- •Power Settings / Bollard Pull
- •All operations on board must be performed in accordance with Company Procedures.
- •Risk Assessment
- •Planning
- •Planning:
- •Goal, example:
- •What to do:
- •Electrical winches
- •Winch operation
- •General Arrangement
- •A/H-Drum at full Capacity
- •Over speed
- •Water brake
- •Band brake
- •QUICK & Full Release
- •Hydraulic Winches
- •Lay out (B-type)
- •Hydraulic winch, “B-type”
- •TOWCON
- •Instruction for use of Wire Drums
- •Changing of Chain Wheels (Wildcats / Chain Lifter)
- •TRIPLEX - SHARK JAW SYSTEM.
- •Operation
- •Maintenance and inspections
- •Safety
- •2. OPERATION:
- •QUICK RELEASE:
- •EMERGENCY RELEASE:
- •CONTROL PANEL
- •Marks for Locked on Hinge Link
- •2.2- OPERATION OF THE "JAW IN POSITION ACCEPT" LEVER:
- •2.3 OPERATION OF THE CONTROL PANEL AT EMERGENCY POWER.
- •3. ELECTRIC AND HYDRAULIC POWER SYSTEM.
- •3. 1. ARRANGEMENT OF SYSTEM.
- •3.2. FUNCTIONING OF QUICK RELEASE - JAWS ONLY.
- •3.3. FUNCTIONING OF EMERGENCY RELEASE
- •4.2 Test without Load.
- •4.3 Test with Load.
- •5. General Maintenance
- •5.1 Accumulators Depressurising
- •5.2 Shark Jaw Unit
- •5.3 Guide Pins Units
- •5.4 Hydraulic System
- •5.5 Electric System
- •6. Control Measurements / Adjustments.
- •6.2 Adjustment of inductive proximity switches on lock cylinders.
- •6.3 Adjustment of Pressure Switches for Lock Pressure.
- •7. Test Program – Periodical Control
- •7.2 Checking List – Periodic Control Mechanical / Hydraulic.
- •7.3 Checking List – Periodic Control Electrical
- •7.4 Testing without Load – Yearly Testing.
- •7.5 Load Test – Emergency Release – 5 Year Control.
- •“Mark on line !”
- •“Double set of Jaws, Pins and Wire lifter”
- •View from the bridge.
- •“JAW READY FOR OPERATION”
- •“JAW LOCK POSITION ACCEPTED”
- •KARM FORK – SHARK JAW SYSTEM.
- •Wire and chain Stopper
- •Inserts for KARM FORK
- •Martensite:
- •Recommendations:
- •1. THE BASIC ELEMENTS OF STEEL WIRE ROPE
- •2. STEEL WIRE ROPE CONSTRUCTIONS
- •3. SPECIAL STEEL WIRE ROPES
- •4. USE OF STEEL WIRE ROPE
- •5. SELECTING THE RIGHT STEEL WIRE ROPE
- •6. ORDERING STEEL WIRE ROPE
- •7. STEEL WIRE ROPE TOLERANCES
- •8. HANDLING, INSPECTION AND INSTALLATION
- •9. INSPECTION AND MAINTENANCE
- •10. ELONGATION AND PRE-STRETCHING
- •11. OPERATING TEMPERATURES
- •12. MARTENSITE FORMATION
- •13. END TERMINATIONS
- •14. SOCKETING (WIRELOCK)
- •15. DRUM CAPACITY
- •16. CLASSIFICATION AND USE OF STEEL WIRE ROPE
- •17. ROPES
- •18. CHAINS AND LIFTING COMPONENTS
- •19. TECHNICAL CONVERSION TABLES
- •SWIVEL
- •MoorLink Swivel
- •Pin Extractor
- •Socket Bench
- •Chains and Fittings
- •STUD LINK MOORING CHAIN
- •OPEN LINK MOORING CHAIN
- •KENTER JOINING LINKS
- •PEAR SHAPE ANCHOR CONNECTING LINK
- •DETACHABLE CONNECTING LINK
- •D’ TYPE JOINING SHACKLES
- •‘D’ TYPE ANCHOR SHACKLES
- •SHACKLES
- •JAW & JAW SWIVELS
- •BOW & EYE SWIVELS
- •MOORING RINGS
- •FISH PLATES
- •PELICAN HOOKS
- •SLIP HOOKS
- •‘J’ CHASERS
- •PERMANENT CHASERS
- •DETACHABLE PERMANENT CHAIN CHASERS
- •PERMANENT WIRE CHASERS
- •‘J’ LOCK CHAIN CHASERS
- •The way to break the anchor loose of the bottom is therefore:
- •Table of contents
- •Introduction
- •General
- •Mooring systems
- •Mooring components
- •History of drag embedment anchors
- •Characteristics of anchor types
- •History of vryhof anchor designs
- •Criteria for anchor holding capacity
- •Theory
- •Criteria for good anchor design
- •Aspects of soil mechanics in anchor design
- •Soil classification
- •Fluke/shank angle
- •Fluke area
- •Strength of an anchor design
- •Anchor loads and safety factors
- •Anchor behaviour in the soil
- •Proof loads for high holding power anchors
- •Anchor tests
- •Soil table
- •Practice
- •Introduction
- •Soil survey
- •Pile or anchor
- •Setting the fluke/shank angle
- •Connecting a swivel to the Stevpris anchor
- •Chasers
- •Chaser types
- •Stevpris installation
- •Laying anchors
- •Retrieving anchors
- •Anchor orientation
- •Decking the Stevpris anchor
- •What not to do!
- •Racking the Stevpris
- •Deploying Stevpris from the anchor rack
- •Boarding the anchor in deep water
- •Ballast In fluke
- •Chaser equilibrium
- •Deployment for permanent moorings
- •Piggy-backing
- •Piggy-back methods
- •Stevmanta VLA installation
- •Installation procedure
- •Stevmanta retrieval
- •Double line installation procedure
- •Stevmanta retrieval
- •Double line installation with Stevtensioner
- •The Stevtensioner
- •The working principle of the tensioner
- •Measurement of the tensions applied
- •Umbilical cable and measuring pin
- •Break - link
- •Duration of pretensioning anchors and piles
- •Handling the Stevtensioner
- •General tensioning procedures
- •Hook-up
- •Lowering
- •Tensioning mode
- •Retrieving
- •Supply vessels/anchor handling vessels
- •Product data
- •Introduction
- •Dimensions of vryhof anchor types
- •Proof load test for HHP anchors (US units)
- •Dimensions of vryhof tensioners
- •Proof load/break load of chains (in US units)
- •Chain components and forerunners
- •Connecting links
- •Conversion table
- •Mooring line catenary
- •Mooring line holding capacity
- •Shackles
- •Wire Rope
- •Wire rope sockets
- •Thimbles
- •Synthetic ropes
- •Mooring hawsers
- •Main dimensions chasers
- •Stevin Mk3 UHC chart
- •Stevin Mk3 drag and penetration chart
- •Stevpris Mk5 UHC chart
- •Stevpris Mk5 drag and penetration chart
- •Stevmanta VLA UPC chart
- •Introduction
- •Propulsion system
- •Propellers
- •Thrusters
- •Rudders
- •Manoeuvring
- •Current
- •Wind
- •Other forces
- •Turning point (Pivot point)
- •Ship handling
- •General layout Jack-Up drilling unit:
- •General information about a Semi Submersible drilling unit:
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TEKNISK INFORMATION |
10-35 |
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15. TROMLEKAPACITET |
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Max. drum capacity (in metres) is = |
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A, B and C are expressed in cm. |
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D = steel wire rope's diameter in mm. |
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Fig. 51 |
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Drum Capacity |
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16. KLASSIFICERING AF STÅLTOVE
Ståltovsklasser (eksempler på ståltove)
De forskellige ståltove kan inddeles i forskellige klasser. Inden for hver klasse er fastlagt antallet af dugter samt antallet af ydertråde i hver dugt. Der findes forskellige systemer/regler for klassificering af ståltovene (ISO, DIN, amerikanske). Randers Reb har valgt at anvende den klassificering, der gælder for EU (EN-norm) (se tabel 2).
Tabel 2
16. CLASSIFICATION AND USE OF STEEL WIRE ROPE
Classification of Steel Wire Rope
The different kinds of steel wire rope can be divided up into distinct classes. The number of strands and the number of outer wires in each strand is laid down for each class of steel wire rope. The different systems and sets of rules for this classification include ISO, DIN and American. Randers Reb has chosen to employ the set of classifications used by the EU (the EN norm).
Class |
Number of |
Number of wires |
Number of outer |
Number of layers |
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outer strands |
in strand |
wires in strand |
of wire in strand |
Eksempler på ståltovsklasser (se også fig. 52)
Examples of different classes of steel wire rope (see also fig. 52)
FKU LIFTING A/S |
Randers |
Odense |
København |
10 |
|
89 11 12 89 |
63 96 53 00 |
43 73 35 66 |
Jan 2002
TEKNISK INFORMATION |
10-36 |
Eksempler på anvendelse af ståltove
Fig. 52 viser eksempler på ståltove i de mest anvendte ståltovsklasser.
Fig. 52
Examples of the use of Steel Wire Rope
Fig. 52 shows examples of steel wire rope in the most common categories of steel wire rope.
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Examples of steel wire rope in the most common categories of steel wire rope |
17. TOVVÆRK |
17. ROPES |
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Tabel 8 |
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FKU LIFTING A/S |
Randers |
Odense |
København |
10 |
|
|
89 11 12 89 |
63 96 53 00 |
43 73 35 66 |
Jan 2002
TEKNISK INFORMATION |
10-37 |
Tovværk fremstilles primært af syntetiske materialer som f.eks. PE, PP, PA og polyester. Tovværk af naturfibre som sisal, hamp, manila og papir produceres stadigvæk, men udbudet er ikke ret stort. Årsagen hertil er, at det syntetiske tovværk generelt har en større slidstyrke, ikke suger vand og ikke rådner.
Tovværk fremstilles primært som 3- og 4-slået, krydsflettet, rundflettet og kvadratflettet.
18. KÆDER OG KOMPONENTER
Gunnebo - din partner i sikkert løft
Tænk Gunnebo ved valg af løftekæder og komponenter. Gunnebo er kendt for kvalitet, helt ned til den mindste komponent som et resultat af mere en 200 års erfaring, systematisk kvalitetskontrol, forskning og udvikling.
Kæder og komponenter laves af sejhærdet legeret stål. En garanti for meget høj styrke, lav vægt, høj slidstyrke og lang levetid. Alle Gunnebo G8 komponenter er mærket ensartet med tilsvarende kædestørrelse, klasse og producentens betegnelse for positiv identifikation.
Kvalitet i henhold til internationale standarder
Gunnebo arbejder tæt sammen med sine stålleverandører for at sikre, at råmaterialerne opfylder de strenge kvalitetskrav.
Gunnebo arbejder også tæt sammen med sit verdensmarked og har officielle godkendelser fra vigtigste nationale og internationale myndigheder inklusiv MOD, NATO, BG og mange andre.
Gunnebo G8 klasse 8 kæde er produceret og testet i henhold til kravene i ISO 1834 & 3076, 1984 og EN 818-1, & 2. Alle komponenter opfylder de relevante prEN og EN-standarder.
Alle Gunnebo's produktionsenheder er godkendte af Lloyd's (LRQA) for kvalitetssikkerhed i henhold til ISO 9001. Denne godkendelse kombinerer også den nye europæiske standard EN 29001. Gunnebo's kvalitetskontrol dækker alle produktionsaspekter fra råmateriale til leveret produkt. LRQA godkendelse for systemet inkluderer design, udvikling, produktion, markedsføring og distribution af løftekæder og tilhørende komponenter.
Testcertifikater leveres på forespørgsel.
Gunnebo giver dig flere valgmuligheder
Gunnebo G8 er mere end blot endnu et kædeslingsystem. Det er et totalt løftekoncept i legeret stål af høj kvalitet til tunge løft.
Kæderne og komponenterne i G8 og SK sortimenterne er designet til at give mere fleksibilitet og flere valgmuligheder og dermed løse næsten ethvert løfteproblem, hvor der skal bruges kædesling - hvad enten det drejer sig om kæde-, wireeller kædesling.
Da BK sikkerhedskrogen blev introduceret for ca. 30 år siden, blev den industrielle sikkerhed på arbejdspladser over hele verden forhøjet betydeligt.
Den nye generation i sikkerhedskroge - OBK/GBK - er en mere kompakt version af den velkendte BK-krog. Modificeringen af sikkerhedspalen giver bedre sidestabilitet og krogen har nu forbedret nagling.
Endnu en nyskabelse fra Gunnebo, der viser vejen.
Ropes are primarily made of synthetic materials such as PE, PP , PA and polyester. Ropes of natural fibre are still manufactured, but only in small quantities, as synthetic ropes are more wear-resistant and do not absorb water or rot.
Ropes are primarily manufactured as 3- and 4-strand, crossbraided, roundbraided and plaited.
18. CHAINS AND LIFTING COMPONENTS
Gunnebo - your partner in safe lifting
Think Gunnebo when selecting lifting chain and components. Gunnebo has become known for quality, down to the smallest component, as a result of over 200 years experience, systematic quality control, research and development.
Chain and components are made from quenched and tempered alloy steel. A guarantee for very high strength, low weight, high wear resistance and long life. All Gunnebo G8 components are uniformly marked with equivalent chain size, grade and manufacturer's designation for positive identification.
Quality to international standards
Gunnebo work closely with their steel suppliers to ensure that the raw material meets their stringent specification.
They also work closely with their world markets and have official approval by the main national and international authorities including MOD, NATO, BG and many others.
Gunnebo G8 Grade 8 chain is manufactured and tested to the requirements of ISO 1834 & 3076, 1984 and EN 818-1, & 2. All components match the relevant prENand EN-standards.
All Gunnebo productions units are approved by Lloyds (LRQA) for quality assurance to ISO 9001. This approval also combines the new European standard EN 29001. Their quality management covers all aspects of production from raw material to delivered product. LRQA approval for their system includes design, development, manufacture, marketing and distribution of lifting chains and associated components.
Full test certification is supplied on request.
Gunnebo gives you more options
Gunnebo G8 is more than just another chain sling system. It is a total lifting concept in high grade alloy steel for heavy lifting.
The chain and components in the G8 and SK ranges are designed to give more flexibility, more options to meet almost any lifting problem involving slings - whether chain, steel wire rope or soft slings.
When introduced around 30 years ago, the BK Safety Hook dramatically increased industrial safety on sites all over the world.
The new generation safety hooks - OBK/GBK - provide a more compact version of the well-known BK-hook. The grip latch modification gives better side stability and the hook now has improved riveting.
Once again, Gunnebo innovation leads the way.
FKU LIFTING A/S |
Randers |
Odense |
København |
10 |
|
89 11 12 89 |
63 96 53 00 |
43 73 35 66 |
Jan 2002
TEKNISK INFORMATION |
10-38 |
Sikkert design ned til lastdetaljen
BK/OBK/GBK sikkerhedskrogene opfylder to vigtige krav. Det ene er, at lasten forbliver i krogen. Palen lukker automatisk, så snart krogen bliver belastet. Den kan ikke åbnes utilsigtet under last. Udløseren kan kun betjenes, når lasten er sikkert afsat.
Det andet er, at krogen ikke så let hænger fast under løft p.g.a. dens bløde profil.
Gunnebo sikkerhedskrogene er designet til arbejde. Det er let at betjene udløseren selv med arbejdshandsker på. Den forbliver åben, så begge hænder er fri til at belaste krogen.
Sikkerhedskrogene fås fra WLL 1,25 - 25 ton.
Anvendelse
·Opret et kartotek over alle kæder, der er i brug.
·Løft aldrig med en vredet kæde.
·Kædesling skal opkortes med en opkorterkrog - der må aldrig slås knuder på kæden.
·Beskyt kæden mod skarpe kanter ved at lægge et mellemlag imellem.
·Belast aldrig en krog i spidsen - lasten skal altid ligge korrekt i bunden af krogen.
·Brug altid den korrekte størrelse kæde til lasten under hensyntagen til vinkel og muligheden for ulige belastning.
·Topøjet skal altid kunne hænge frit i krankrogen.
·Undgå altid belastning i ryk.
Vedligeholdelse
Mindst hver 6. måned eller oftere i henhold til lovmæssige bestemmelser, type af anvendelse og tidligere erfaring skal der udføres en omhyggelige kontrol.
·Kæder med bøjede, revnede eller udhulede led skal udskiftes, ligesom deformerede komponenter så som bøjede ovalringe, åbne kroge og enhver komponent, der viser tegn på slitage.
·Slitagen på kæden og komponenterne må ingen steder overstige 10% af de oprindelige dimensioner. Slitagen på kædeled - max. 10% - er defineret som den gennemsnitlige diameter af materialet målt i 2 retninger.
·Overbelastede kædesling skal tages ud af brug.
I Danmark kræver Arbejdstilsynet, at alt løftegrej skal kontrolleres mindst én gang om året. Fyns Kran Udstyr tilbyder at udføre test direkte hos kunden (se afsnit 9).
Safe design down to the load detail
Gunnebo BK/OBK/GBK Safety Hooks fulfil two important requirements. One is that the load stays put in the hook. The latch closes automatically as soon as the hook is loaded. It cannot be opened under load accidentally. The release trigger will only operate when the load is safely grounded.
The other is that the hook will not easily snag during lifting because of its smooth profile.
Gunnebo Safety Hooks are designed for work. It is easy to operate the release trigger even with working gloves on. It stays open so that both hands are free to load the hook.
Gunnebo Safety Hooks are available for Working Load Limits 1.25 to 25 tonnes.
Use
·Keep a register of all chains in use.
·Never lift with a twisted chain
·Chain slings should be shortened with at shortening hook, never by knotting.
·Never point load a hook - the load should always seat correctly in the bowl of the hook.
·Always use the correct size sling for the load allowing for the inclu ded angle and the possibility of unequal loading.
·The master link should always be able to move freely on the crane hook.
·Avoid snatch-loading at all times.
Maintenance
Periodic through examination must be carried out at least every six months or more frequently according to statutory regulations, type of use and past experience.
·Chain with bent, cracked or gouged links should be replaced, as should deformed components such as bent master links, opened up hooks and any fitting showing signs of damage.
·The wear of the chain and components shall in no place exceed 10% of the original dimensions. The chain link wear - max. 10% - is defined as the reduction of the mean diameter of the material measured in two directions.
·Overloaded chain slings must be taken out of service.
FKU LIFTING A/S |
Randers |
Odense |
København |
10 |
|
89 11 12 89 |
63 96 53 00 |
43 73 35 66 |
Jan 2002