MOORING SYSTEMS
CHAPTER 5 OF THE CURRENT
MARINE & OFFSHORE MOORING CATALOGUE
Reliability, secured.
www.anchors.co.za
44 MOORING SYSTEMS
■ Chain Chasing Operation
Item See Pg
Kenter Shackle 4
Stud Link Chain 5
Chain Chaser 12
Safety Bow Shackle 50 / 52
Pennant Wire 60
Pear Link 15
Anchor 25
Pear Link AnchorChain Chaser
Safety Bow Shackle
Kenter Shackle
Stud Link Chain
Pennant Wire
Permanent Chaser J Wide Body Chaser
To the rig
WATER LINE
To the work boat
SEABED
45MOORING SYSTEMS
■ Towing Bridle Arrangement Pennants c/w HEEE
No. Item See Pg
1 SWR Pennant HEEE 60
2 Safety Bow Shackle 50 / 52
3 Triangle Plate 14
4 Stud Link Chain 5
1
1
2
2
3
4
2
2
Attach to Smith Bracket on Rig
SWR Pennant can be supplied with Hard Eyes (HE) or Spelter Sockets (SS)
46 MOORING SYSTEMS
■ Support Vessel Mooring
Surface Pennant Buoy
Dee Type Anchor Shackle
Swivel Forerunner
Kenter Shackle
Stud Link Anchor Chain
Stevpris Anchor Swivel Forerunner
WATER LINE
SEABED
Item See Pg
Anchor Pennant Buoy 28
Dee Type Anchor Shackle 50 / 53
Swivel Forerunner 3
Kenter Shackle 4
Stud Link Anchor Chain 5
Stevpris Anchor 25
47MOORING SYSTEMS
■ Ropes For Single Point Mooring
No. Item Quantity See Pg
No. Item Quantity See Pg
1 Mooring Buoy Components 2 – 8 Lace-on Pocket Floats 12 –
2 Mooring Bridle Assembly 1 10 9 Euroflex Mooring Rope 2 78
3 Heavy Duty Shackle 2 53 10 Chafe Chains 2 9
4 Cast Thimble 2 81 11 Elastomer Buoy 2 32
5 Polyurethane Protection 2 – 12 Chain Through Elastomer Buoy 1 33
6 Seizing 4 – 13 Elastomer Pickup Buoy 2 34
7 Splicing 2 – 14 Polyproylene Pickup Line 1 –
2
5
5
6
6
6
6
7
7
8
11
11
10
10
4
3
3
1
12
9
13
13
148
48 MOORING SYSTEMS
1
2 3 54 6 7 89
10 11
12
13
14
■ Piggyback Mooring System
If an anchor drags 150 metres (500 feet) during the post-installation tensioning without achieving the required holding capacity then the anchor is reset. If the anchor still fails to hold after hauling in 150 metres (500 feet) then a piggyback anchor is required.
No. Item See Pg No. Item See Pg
1 Steel Wire Rope / Anchor Line 56 8 Pennant Wire 60
2 CR Socket 67 9 Hinge Link 14
3 Stud Link Chain 7 10 Safety Bow Shackle 50 / 52
4 Pear Link 15 11 Secondary Anchor (Danforth) 19
5 Primary Anchor (Stevpris) 25 12 Pennant Wire 60
6 Safety Bow Shackle 50 / 52 13 Hinge Link 14
7 CR Socket 67 14 Anchor Pennant Buoy 28
To the rig
SEABED
WATER LINE
49MOORING SYSTEMS
Eye-Hook (ROV)
■ Eye-Hook with Safety Latch (also known as ROV)
Safe Work Load Limit A B C D E F G
[t] [mm] [mm] [mm] [mm] [mm] [mm] [mm]
20 64 99 85 73 277 32 52
28 71 112 96 83 313 36 60
31 81 125 106 92 349 40 66
40 93 140 116 103 386 45 72
50 106 158 135 116 442 50 84
63 119 176 151 130 494 56 90
80 131 198 168 145 610 63 102
100 151 225 195 172 650 74 116
150 173 250 225 199 765 86 130
200 200 275 260 237 850 102 150
250 233 310 290 269 928 120 170
300 264 350 330 310 1052 140 190
400 303 400 380 344 1195 170 210
Factor of Safety 4:1
Material: Grade 80Finish: Painted