- •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:
CHAINS & FITTINGS
OPEN LINK MOORING CHAIN
LONG LINK |
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(MILD STEEL) |
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d |
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3.5d |
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6d |
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Size |
Weight |
Proof Load |
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Minimum |
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Breaking Load |
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mm |
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ins |
kg/m |
kg |
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kg |
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13 |
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1/2 |
3.34 |
3190 |
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7970 |
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16 |
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5/8 |
5.06 |
4830 |
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12090 |
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19 |
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3/4 |
7.14 |
6820 |
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17050 |
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22 |
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7/8 |
10.46 |
10000 |
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24990 |
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26 |
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1 |
13.38 |
12770 |
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31940 |
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MEDIUM LINK |
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(MILD STEEL) |
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d |
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3.5d |
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5.5d |
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Size |
Weight |
Proof Load |
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Minimum |
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Breaking Load |
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mm |
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kg/m |
kg |
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kg |
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13 |
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1/2 |
3.50 |
3200 |
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6400 |
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16 |
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5/8 |
5.20 |
4800 |
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9600 |
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19 |
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3/4 |
7.40 |
6800 |
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13600 |
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22 |
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7/8 |
10.00 |
9100 |
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18200 |
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25 |
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1 |
12.80 |
11800 |
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23600 |
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28 |
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1 1/8 |
16.50 |
14800 |
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29500 |
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32 |
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1 1/4 |
21.00 |
19400 |
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38700 |
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34 |
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1 3/8 |
23.50 |
21800 |
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43600 |
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38 |
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1 1/2 |
29.50 |
27300 |
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54600 |
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42 |
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1 5/8 |
36.00 |
33300 |
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66600 |
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44 |
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1 3/4 |
39.50 |
36600 |
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73200 |
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48 |
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1 7/8 |
47.00 |
43500 |
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87000 |
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51 |
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2 |
53.00 |
49200 |
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98300 |
2.6
SHORT LINK
(MILD STEEL)
CHAINS & FITTINGS
OPEN LINK MOORING CHAIN
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d |
3.5d |
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5d |
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Size |
Weight |
Proof Load |
Minimum |
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Breaking Load |
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mm |
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kg/m |
kg |
kg |
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6 |
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1/4 |
0.89 |
700 |
1400 |
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7 |
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9/32 |
1.13 |
900 |
1800 |
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8 |
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5/16 |
1.39 |
1250 |
2500 |
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10 |
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3/8 |
1.95 |
2000 |
4000 |
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11 |
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7/16 |
2.67 |
2240 |
4480 |
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13 |
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1/2 |
3.72 |
3200 |
6400 |
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16 |
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5/8 |
5.64 |
5000 |
10000 |
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19 |
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3/4 |
7.96 |
6820 |
3640 |
2.7
CHAINS & FITTINGS
KENTER JOINING LINKS
Size |
Weight |
mm |
kg |
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19 |
1.0 |
22 |
1.6 |
26 |
2.6 |
30 |
3.5 |
32 |
4.8 |
34 |
6.5 |
38 |
8.4 |
41 |
11.0 |
44 |
13.5 |
48 |
16.5 |
52 |
20 |
54 |
24 |
57 |
28 |
60 |
32 |
64 |
39 |
67 |
45 |
70 |
52 |
73 |
60 |
76 |
67 |
79 |
77 |
83 |
86 |
86 |
93 |
89 |
101 |
92 |
112 |
95 |
123 |
98 |
137 |
102 |
151 |
105 |
158 |
108 |
163 |
110 |
171 |
114 |
180 |
120 |
230 |
d
4d |
6d |
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4.2d |
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1.5d |
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Kenter Joining Link |
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Common Link |
Common Link |
TYPICAL APPLICATION
Smaller diameters Grade 3, ORQ Larger diameters Grade ORQ, R3 R4 All dimensions given are approximate
2.8
CHAINS & FITTINGS
PEAR SHAPE ANCHOR CONNECTING LINK
G
D
J
F C
A
K
E
H
B
Anchor Shank Anchor Shackle
Common Links
No |
Chain size |
A |
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B |
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C |
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D |
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E |
F |
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in mm |
mm |
mm |
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mm |
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mm |
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mm |
mm |
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4 |
32-40 |
298 |
206 |
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59 |
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40 |
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48 |
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83 |
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5 |
42-51 |
378 |
260 |
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76 |
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51 |
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64 |
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100 |
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6 |
52-60 |
454 |
313 |
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92 |
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60 |
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76 |
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121 |
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7 |
62-79 |
562 |
376 |
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117 |
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79 |
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95 |
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149 |
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8 |
81-92 |
654 |
419 |
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133 |
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92 |
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124 |
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149 |
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9 |
94-95 |
692 |
435 |
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146 |
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98 |
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130 |
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159 |
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10 |
97-102 |
889 |
571 |
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190 |
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121 |
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165 |
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190 |
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No |
G |
H |
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J |
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K |
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Weight |
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in kg |
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4 |
40 x 44 |
56 |
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26 |
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43 |
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13 |
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5 |
51 x 60 |
74 |
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32 |
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52 |
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27 |
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6 |
62 x 73 |
88 |
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37 |
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64 |
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49 |
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7 |
85 x 79 |
111 |
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48 |
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76 |
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94 |
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8 |
111 x 102 |
130 x 133 |
54 |
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79 |
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149 |
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9 |
124 x 137 |
141 |
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57 |
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83 |
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236 |
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10 |
130 |
181 |
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73 |
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108 |
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386 |
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Smaller diameters Grade 3, ORQ
Larger diameters Grade ORQ, R3 R4
All dimensions given are approximate
2.9