3.1.1 Where a
space is occupied by both passengers and crew, the more stringent
of the relevant requirements apply unless agreed between the Builder
and Owner and this agreement advised to LR.
3.1.2 The limits apply to vertical, longitudinal and transverse vibrations which
are to be assessed separately.
3.1.3 Under test conditions specified in Pt 3, Ch 6, 4.2 Test conditions, the
applicable vibration levels specified in Table 6.3.1 High speed craft - Maximum
vibration levels, Table 6.3.2 Yacht - Maximum vibration
levels and Table 6.3.3 Crew spaces - Maximum vibration
levels should not be exceeded.
Table 6.3.1 High speed craft - Maximum
vibration levels
| Standard:
|
ISO 20283-5
|
| Units:
|
Frequency weighted velocity level (1–80 Hz), mm/s r.m.s.
|
| Acceptance Numeral
|
| Location
|
1
|
2
|
3
|
| Public
spaces
|
2,5
|
3,2
|
3,6
|
Table 6.3.2 Yacht - Maximum vibration
levels
| Standard:
|
ISO 20283-5
|
| Units:
|
Frequency weighted velocity level (1–80 Hz), mm/s
r.m.sua
|
| Acceptance Numeral
|
| Location
|
1
|
2
|
3
|
| Cabins and lounges
|
1,8
|
2,0
|
2,5
|
| Public spaces
|
2,5
|
2,9
|
3,3
|
| Open recreation decks
|
2,5
|
3,2
|
3,8
|
Note The vibration level may be exceeded by 0,3 mm/s in the
yacht's aft body directly above the propellers.
|
Table 6.3.3 Crew spaces - Maximum vibration
levels
| Standard:
|
ISO 20283-5
|
| Units:
|
Frequency weighted velocity level
(1–80 Hz), mm/s
|
| Location
|
|
| Accommodation and navigation
spaces
|
3,5
|
| Work spaces
|
5,0
|