OCIMF_Mooring_Equipment_Guidelines_(Second_Edition)

Approximate

L.oad Range

in tOnnes

Service (See Note 1) Other Requirements Recommended Rope

Wlnch-Mounted 20-70 Moderate stretch Polyester 8 Strand
Mooring Lmes Abrasion resistant Combination 6 Strand

Auxiliary 20-50 Moderate stretch Polyester 8 Strand
MooTlng Lmes Abrasion resistant

Tails (on 20 -70 High stretch Nylon Double Braid
wire rope) CombinaUon 6 Strand

HeavlOg Lines 0.05 Light weight Polyester 8 Strand

Very easy 10 handle Aramid Various

Messenger Lines 2 LIght weight Polyester 8 Strand

Easy to handle

(Float on water) Polypropylene 8 Strand

Pick-Up Lines 2 Ugl11 weight Polyester 8 Strand

Low stretch

Abrasion resistant

Stoppers and 5 Easy 10 handle Polyester

Snubbers Abrasion resistant Staple-fibre 8 Strand

Lifting Lines (^5) Low stretch POlyester 8 Strand
Note:

1. Loads are approximate working or applied loads and appropriate safety factors must be applied to these when
   purchasing ropes_
   TABLE 6_3: SYNTHETIC LINE SERVICE REQUIREMENTS AND RECOMMENDATIONS
   70
   65
   60
   55
   50
   c
   "& c ~s
   ~ 40
   en
   s «> 35
   Z
   ?t- 30
   'ti <l
   --'^0 2S
   20
   ~ 5
   10
   0
   I
   I
   If
   -r- Wire. / V
   IWRC
   I / / /

• Wire, I / / /POlyeste, &

1/

P fibre core

/

f

L

rroIYP'OPYlenc. /

,_ new

.. High M od"ll.Is Flbm :/ / /

lanuM"l & HMPE;)

I1 IL L V ~NYIOt\ (o\i).

/ / /

PoIY$SIe'1I- ~ new

f

Pol\tpropyleno.

bro~en·ln / /: /

I / h lel1 3-& ;'Sltand. / V

/ /,blOken-lfl / / ,

/

V ~ I ./

Ooub! BraId. /'

/ /

/"' broken,n

./"

// ./ ~ V

I~

o 5 la^15 20

Extension. % Lenglh

FIGURE 6.4: LOAD-EXTENSION CHARACTERISTICS

Wire and Fibre Ropes, New and Broken-In

Courtesy of Tension Technology International

(Reference 9)

3

/

/

35