3.4 Certification of Drive Units............................................... 15
3.5 Swing (Slewing) Mechanism............................................15
3.6 Other Mechanical Components....................................... 15
4 Control, Monitoring, Alarm, and Safety Systems.......................... 15
4.1 Certification of Control Systems...................................... 16
TABLE 1 Certification Details for Wind Assisted Propulsion
System Machinery Components.......................................... 15
FIGURE 1 Components of the Drive Systems.......................................14
SECTION 3 Vessel Design.....................................................................................17
1 General.........................................................................................17
2 Structural Strength and Materials................................................. 17
2.1 General............................................................................ 17
2.2 Load Considerations........................................................19
2.3 Structural Design............................................................. 20
2.4 Materials.......................................................................... 20
3 Stability......................................................................................... 21
3.1 Intact Stability.................................................................. 21
3.2 Damage Stability..............................................................21
4 Navigation Safety..........................................................................21
4.1 Bridge Visibility................................................................ 21
4.2 Radar Blind Sector...........................................................21
4.3 Navigation Lights............................................................. 21
5 Maneuverability.............................................................................21
6 Anchoring and Mooring Equipment.............................................. 22
7 Electrical and Control Systems.....................................................22
7.1 Electrical Load Analysis...................................................22
7.2 Control, Monitoring, Alarm, and Safety System
Integration........................................................................22
8 Installation in Hazardous Areas.................................................... 23
9 Safety............................................................................................23
9.1 Crew Safety..................................................................... 23
9.2 Fire Safety....................................................................... 23
9.3 Lightning Protection......................................................... 23
SECTION 4 Surveys and Testing.......................................................................... 24
1 General.........................................................................................24
2 Certification and Testing............................................................... 24
2.1 Certification of Drive Units............................................... 25
2.2 Nondestructive Testing (NDT)..........................................25
3 Surveys During Construction........................................................ 26
ABS GUIDE FOR WIND ASSISTED PROPULSION SYSTEM INSTALLATION • 2021 iv