MOORING SYSTEMS

CHAPTER 5 OF THE CURRENT

MARINE & OFFSHORE MOORING CATALOGUE

Reliability, secured.

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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