Iranian Classification Society Rules

< Previous | Contents | Next >

Section 1 General


1. For a ship of less than 30 m in length, if Danforth anchor is intended to be provided with special shaped construction and dimension, the relevant drawings shall be submitted to the Society and to be approved before manufacturing.


2. Where the equipment number is calculated in accordance with Pt 3, Ch 1, Sec 57, Para 2 of Ship's Equipment Standards to Korean Ship Safety Act the requirement given in Table 4.3.1. shall be applied for Danforth anchor, Anchor rope, Tow line and Mooring rope. etc.


3. The dimensions of Danforth anchor shall be in accordance with Table 4.3.2, except other Danforth

anchor with different size and construction

Society. image

which shall be appropriate to the requirement of the


Equipment number

Danforth anchor


Lock used for anchor (per an anchor)


Tow line (standards of manila rope)


Mooring rope (standards of manila rope)


Exceeding

Not exceeding

Number


Masst ( )

Length ( )

Diameter (mm )


Manila rope


Nylon rope


vinyl rope

Chain

Length ( )


Diameter (mm)

Number

Length ( )


Diameter (mm)

Grade 1

Grade 2

80

90

105

140

175

90

105

140

175

215

2

2

2

2

2

20

25

30

40

50

60

70

80

90

100

24

28

32

35

38

17

20

22

25

27

20

24

27

30

33

.

.

.

.

.

110

110

110

135

135

28

30

32

34

36

. 1

1

1

1

. 165

165

165

165

. 20

20

22

24

215

255

295

390

255

295

390

445

2

2

2

2

60

70

95

125

100

110

110

120

42

45

50

60

30

32

35

42

36

38

42

50

14

14

16

17.5

12.5

12.5

14

16

135

135

135

135

40

45

50

50

1

1

1

1

165

165

165

165

24

24

32

32

Table 4.3.1 Danforth anchor and Rope


kg m

image

m m

Pt 4 Hull Equipment

Ch 3 Equipment Number and Equipment Pt 4, Ch 3

image


image

image

image

Table 4.3.2 Each Dimension of Danforth anchor


Dimension(mm ) Mass(kg)


A


B


C


D


E


F


G

20

825

463

361

685

95

18

23

25

890

500

390

740

104

20

25

30

945

565

414

784

109

21

26

40

1,049

590

460

872

122

24

29

50

1,154

647

506

960

134

26

32

60

1,190

668

521

988

137

27

33

75

1,280

719

561

1,063

149

29

35

100

1,400

790

616

1,170

163

31

43

120

1,500

840

657

1,240

174

34

45


A : Anchor Shaft(Shank) Length


C : Anchor Arm(p) ↔ Anchor Arm.(s) D : Stock Length

E : Anchor Ring(Shackle) Length F : Anchor Ring(Shackle) Dia. G : Stock Dia.