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Terminal Gear (9/2014). Lesson Objectives State applicable reference materials related to terminal gear on board an Uninspected Towing Vessel (UTV) Determine.

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Presentation on theme: "Terminal Gear (9/2014). Lesson Objectives State applicable reference materials related to terminal gear on board an Uninspected Towing Vessel (UTV) Determine."— Presentation transcript:

1 Terminal Gear (9/2014)

2 Lesson Objectives State applicable reference materials related to terminal gear on board an Uninspected Towing Vessel (UTV) Determine wire/towline and terminal gear requirements Examine bitts, cleats, winches, capstans Examine terminal gear for a towing operation Name primary focus when examining terminal gear Name primary focus when examining wire rope

3 Towline & Terminal Gear 33 CFR Towline and terminal gear for towing astern… 33 CFR Towline and terminal gear for towing along side and pushing ahead…

4 Associated Terminal Gear Line Haul Towing Fleeting Hawser Towing Ship Assist Load Environment Stress Vessel type Fatigue Cargo Geographic's’ Sea State Rivers Ebb/Flow Hazards Gear Limits &

5 Linehaul Towing

6 Fleeting

7 Hawser Towing

8 Ship Assist

9 Page 6 Terminal Gear

10 Towline for Towing Astern 33 CFR (a)(3)(i) A record of towline initial breaking strength (a)(3) (iii) Conduct visual inspections (a)(3)(v) … a record of the material condition of the towline when inspected… Once the record lapses for 3 months, not including lay-up, the owner shall retest the towline or remove it from service…

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14 Wire Rope

15 6 Number of strands that make up the rope 19 Number of wires that make up each strand FCFibre core RHRight hand lay OLOrdinary lay FSWR Flexible steel wire rope 6x19 FC RH OL FSWR

16 Eye Splice

17 Thimble

18 Damaged Wire Rope

19

20 Improper spooling (Bird-Nesting)

21 Clamp/ Thimble Applications

22

23 Poured Socket

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25 Tow-Line Rope

26 6/samsonretirement.pdf

27 Sampson Rope Link Sampson Rope Link Product quality Chafe Gear Field trial results

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29 Tow-Line Rope

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31 Thimble

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34 Making Up Tow

35 Ratchet (tighten wires)

36 Deck Gear Pelican hook Handle Gear Keeper Tooth pick

37 Rigging Wire Must Remain Serviceable (33 CFR )

38 Facing Up (Capstan, Winches, Wire) Capstan secures boat to push string Winches tighten wing wires Wires provide additional security Winches secure barge to boat

39 Backing leads pull drag strings moving astern Making Up a Tow  Push String Drag String  Fore and Aft lines secure barge strings Doubling up on edge couplings provides strength Towing leads pull the drag strings forward

40 HARDWARE AND TACKLE Page 6

41 Crosby 85 ton Towing Shackle As per 33 CFR (b)(2)

42 Fish Plate and Towing Shackles

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47 Towing Hawsers

48 Tow Hawser Strength Characteristics

49 DECK AND TOWING WINCHES

50 Wire Socket integrity Thimble and line conditionSplice Condition FoundationActuator condition- fluid lines, piston rod Brake Band

51 Split drum tow winch What is the examiner looking for? Windlass Brake Band

52 Level wind shown on tow winch Level Wind

53 Small Deck Winch

54 Split drum tow winch

55 Wire Tow Underway Helps Keep tow/Centerline Tow Stern RollersTowTexas Bar

56 Wire tow (Notice chafing gear)

57 Tow Wire Cantenary

58 Stern of a hawser boat No winch, towing bitt and capstan only

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60 Tow made up on hawser Notice the chafing gear stern bulwark

61 Winch

62 Barge Retrieval

63

64 Orville Hook

65 U.S. Coast Guard Questions?


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