Section 14 Equipment
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Ships for Service on the Great Lakes and River St. Lawrence, July 2022 - Chapter 4 Ship Structures - Section 14 Equipment

Section 14 Equipment

14.1 General

14.1.1 To entitle a ship to be assigned the figure 1 in its character of classification, equipment in accordance with these requirements is to be provided.

14.1.2 The regulations governing the assignment of the character figure 1 for equipment are given in Pt 1, Ch 2, 2.2 Character symbols of the Rules for Ships.

14.1.3 For ships intended to be operated only in suitable areas or conditions which have been agreed by the Committee, as defined in Pt 1, Ch 2, 2.3 Class notations (hull) 2.3.5 of the Rules for Ships or Ch 1, 2 Governance, equipment differing from these requirements may be approved, if considered suitable for the particular service on which the ship is to be assigned. See also Table 13.7.1 Equipment requirements of the Rules for Ships.

14.2 Equipment Number

14.2.1 The equipment of anchors and chain cables specified in 14.3 is based on an ‘Equipment Number (NL)’ which is to be calculated as follows:

14.2.2 The ‘Equipment Number (NL)’ to be used, is given by:

NL = 0,30L S BD + additions listed below
  1. for 1st tier superstructure or deckhouse, 17,6 per cent of the product of their length, breadth and height in metres;

  2. for 2nd tier deckhouses and other erections, 13,2 per cent of the product of their length, breadth and height in metres, where L S, B and D are given in Ch 4, 3.1 Definitions 3.1.1.

14.2.3 Only deckhouses and other erections having a breadth greater than B/4 are to be included.

14.3 Equipment requirements

14.3.1 Each vessel is to be provided with two bower anchors of Table 4.14.1 Laker Equipment - Stockless Bower Anchors and Stud Link Chain Cable mass and 330 m, total length, of stud link chain cable of Table 4.14.1 Laker Equipment - Stockless Bower Anchors and Stud Link Chain Cable diameter.

Table 4.14.1 Laker Equipment - Stockless Bower Anchors and Stud Link Chain Cable

Equipment Number
NL
Mass of each
anchor, in kg
Mild steel
(Grade 1 or U1)
Diameter in mm
special quality
steel (Grade U2)
Diameter in mm
Extra special
quality steel
(Grade U3)
Diameter in mm
2000 1700 42 36 32
2500 1815 42 36 32
3000 2040 44 38 34
3500 2155 48 42 36
4000 2270 49 43 36
4500 2380 50 44 38
5000 2610 52 46 40
5500 2720 52 46 40
6000 2860 52 46 40
6500 2950 52 46 40
7000 3060 54 48 42
7500 3175 54 48 42
8000 3290 54 48 42
8500 3290 56 50 44
9000 3445 56 50 44
9500 3445 58 50 46
10000 3675 58 50 46
10750 3900 58 50 46
11500 3900 60 52 46
12250 4080 60 52 46
13000 4080 62 54 48
13750 4310 62 54 48
14500 4535 62 54 48
15250 4535 64 56 50
16000 4535 64 56 50
16750 4535 64 56 50
17500 4990 65 57 50
18250 4990 65 57 50
19000 4990 65 57 50
19750 4990 66 58 50
20500 5445 66 58 50
21250 5445 68 60 52
22000 5445 68 60 52
23000 5895 68 60 52
24000 5895 70 62 54
25000 5895 70 62 54
26000 6350 70 62 54
27000 6350 73 64 56
28000 6350 73 64 56
29000 6805 73 64 56
30000 6805 75 65 57
31500 7260 75 65 57
33000 7260 75 65 57
34500 7260 76 66 58
36000 8165 76 66 58
37500 8165 76 66 58
39000 8165 76 66 58
40500 8165 78 68 60
42000 9070 78 68 60
44000 9070 78 68 60
46000 9070 81 70 62
48000 9070 81 70 62
50000 10205 81 70 62
52000 10205 83 71 62
54000 10205 84 73 64
56000 11340 84 73 64
58000 11340 84 73 64
60000 11340 86 75 65
62000 11340 86 75 65
64000 12475 86 75 65
66000 12475 86 75 65
68000 12475 87 76 66
70000 12475 87 76 66

14.3.2 The stern anchor is required to be fitted in accordance with the requirements of the St. Lawrence Seaway Authority.

14.3.3 Minimum guidelines from the St. Lawrence Seaway Management Corporation for a ship to transit the St. Lawrence River are given in The Seaway Handbook, see Ch 4, 1.1 Application 1.1.5.

14.4 Anchors

14.4.1 Anchors are to be in accordance with the requirements of Pt 3, Ch 13, 7.2 Anchors and Pt 3, Ch 13, 7.3 High holding power anchors of the Rules for Ships.

14.5 Chain cable

14.5.1 Chain cable is to be in accordance with the requirements of Pt 3, Ch 13, 7.4 Chain cables and chain locker of the Rules for Ships.

14.6 Towlines and mooring lines

14.6.1 Ships over 90 m in length do not require towlines and mooring lines as a classification item.

14.7 Windlass design, testing and structural requirements

14.7.1 The windlass design, testing and structural requirements are to be in accordance with Pt 3, Ch 13, 8 Anchor windlass design and testing of the Rules and Regulations for the Classification of Ships, July 2022.

14.8 Testing of equipment

14.9 Structural arrangements of windlass and chain lockers

14.9.1 The structural arrangements of the windlass and the chain lockers are to be in accordance with Pt 3, Ch 13, 8.12 Structural requirements associated with anchoring of the Rules and Regulations for the Classification of Ships, July 2022.


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