TOWING
1. General
1.1 Bollard pull certificate Date of Issued
issue by
1.2 Bollard pull continuous
1.3 Bollard pull maximum
1.4 Main engines power at MCR BHP
1.5 If the Bollard Pull certificate > 10 years old, note approved Bollard pull after
reduction as MWS guidelines (1% for every year since the date of test)
1.6 Length Overall
1.7 Height of Forecastle deck above freeboard deck.
(If <2 m tug not suitable for Unrestricted / Coastal towage)
2. Towing Wires
Item Main Tow Second Spare
Wire Tow Wire Tow Wire
2.1 Length
2.2 Diameter
2.3 Break Load
2.4 Hard Eyes (type,)
2.5 Date of last Re-termination
2.6 Certified by & date (Wire)
2.7 Date of last inspection
2.8 Type of Inspection (Visual or Other)
2.9 Condition
2.10 BL / Cont BP
(>= 2 for BP > 100 t; 3 if BP <40 t; Between 2 and 3 such that BL =>
(220-BP) x (BP/60) if BP >40 and <100 t)
2.11 Min Length = Greater of (BP / MBL)*1800 or 650 m
(Unrestricted) 500 (Coastal) (Note: 650 m or 500m is minimum
acceptable)
2.12 Does the wire comply with MWS requirements?
(Ref DNV GL ST N001 Section 11.13.4
2.13 Tow wire log on board and up to date? Comment on details recorded
in tow log and if in compliance with IMO MSC/Circ. 884 Appendix B.
3. Towing Pennants
Towing Towing Main Spare
Item
Pennant Pennant Stretcher Stretcher
3.1 Length
3.2 Diameter
3.3 Break load
3.4 Hard Eyes both ends (Y/N)?
3.5 Certified by
3.6 Date
3.7 Condition
4. Miscellaneous
Description Comments
4.1 No of drums
4.2 Tow winch line pull capacity
4.3 Tow winch brake capacity
4.4 Describe emergency operation of the towing
winch(es) Last Test
4.5 Is all towing equipment including wires inspected
annually? Note details of last annual
inspection
4.6 Are there tuggers, capstans, stern roller, etc. of
adequate capacity & condition in the right places
to safely handle the towing gear?
4.7 (If only one towing drum) Can crew demonstrate
that a spare tow wire can be safely run onto
towing drum within 6 hours of a towline break in
bad weather?
4.8 (If only one towing drum) Where is spare wire?
4.9 (If only one towing drum) Is spare on reel or on
drum? (Y/N)
4.10 (If only one towing drum) Is reel /drum powered?
(Y/N)
4.11 Fixed gog type
4.12 Running gog arrangement:
4.13 Towing shackles, Nos and SWLs x t
4.14 Types of Stopper arrangements
(Sharks Jaws etc.)
4.15 Work boats – Total capacity (persons) No &
Type: Engine HP
4.16 Total number of Deck Officers on board (min 2
required for Unrestricted, Coastal towage
cases)
4. Miscellaneous
Description Comments
4.17 Total number of Engineering Officers on board
(min 2 required for Unrestricted, Coastal
towage cases)
4.18 Comment on general crew experience with
Towing operations.
4.19 Describe the means to monitor the tension in the
tow line. If tension gauge used has it been
recently calibrated?
4.20 Details of stability critical loading condition
considered.
Displacement & mean draught:
Fuel carried:
Roll reduction in use?:
Max GZ (at 30o heel if applicable):
If the vessel is NOT Classed as a Tug, complete and verify following. If classed as a Tug ignore 4.21,
4.22 & 4.23
4.21 Vertical height of hawser above propeller (Hh)
4.22 Heeling lever: 0.6 x Max BP x Hh
Displacement
4.23 Is Heeling Lever < 0.5 x Max GZ for critical
condition (Yes /No)
5. Bunkers and Potable Water
Potable Fuel Cons. /
(state units) Lube Oil Fuel Oil Diesel Oil Days
water Range day
5.1 Capacity Economical
5.2 Onboard Full power
