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Inspections > TS 589 Cranes > Flashcards

TS 589 Cranes Flashcards

1
Q

Safety Supervisors (SS) and Deck Supervisors (DS).

A

All lifts shall be conducted with an SO and DS present.

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2
Q

Pre-checks.

A

Prior to conducting lifts, the operator shall verify that the crane inspections are current, all control and safety accessories are functional, and visually inspect the rigging and slings (if used) for alignment and obvious wear. The operator, SS, DS, or other personnel shall report all unsafe conditions, and seek command guidance before proceeding.

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3
Q

Emergency The EmergencyStop button(s) shall be independent of the normal start/stop controls, and shall cause 1) all electrical power to be isolated from the crane, and 2) all actions to cease.

A
  • Stop. Cranes shall have at least one E Stop button

- additional E stop for SS

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4
Q

Extinguisher

A

shall be easily accessible

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5
Q

When considering a unit’s stability characteristics during testing procedures, specified test loads shall be maintained within limits that can be handled safely.

A

If any of the test loads result in an excessive list (generally 15 degrees) or the immersion of the deck edge, the load shall be reduced accordingly to stay within those limits

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6
Q

Label Plates.

A

Engraved label plates shall be installed on cranes to document the working load limit, test weights, and date of certification of the load

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7
Q

Graphic Plate.

A

A graphic safety plate shall be provided and prominently displayed at the crane operator’s station to describe stability limitations, sea state limitations, and graphically show the safe working zones and Working Load Limits while operating the equipment at sea.

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8
Q

Load Weight.

A
  • It is the responsibility of the DS and Crane Operator to know the weight of the load being lifted by using all available information.
  • hold a meeting if the load exceeds 97% WLL of the crane
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9
Q

Standardized Level 1, Level 2, and Level 3 Inspection, Testing and Overhaul requirements no longer exist. Periodic inspections shall be annual and biennial.

A

The Product Line may develop overhaul schedules based on cutter and boat operational requirements, availability scheduling, and programmatic concerns.

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10
Q

Frequent Inspection.

A
  • Daily review of all functional that could interfere with daily issues.
  • quarterly inspection of hooks
  • quarterly insp of wear, twist, distortion of wire ropes and hoist chains, wires, ropes, and straps.
  • quarterly of excessive wear of daily components.
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11
Q

Service Life Examination.

A

Cranes shall be inspected and technically evaluated for remaining service life at not more than 20 years of service and thereafter in not more than 10year intervals

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12
Q

Overhauls on cranes

A
  • General overhauls shall be scheduled based on results of inspections, tests, and Product Line experience. Overhauls of critical components should not generally be required more than once every 4 to 5 years.
  • Complete overhauls should not be required more often than once every 8 years.
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13
Q

Winch Brake/Modified Static Load Test.

A

The modified static test load is typically 150% of the WLL and shall be taken against the installed rigging, winch and brake systems and hold for 10 min

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14
Q

Worst Load.

A
  • The crane shall be placed in the worst structural position;
  • The test load shall be held, without damage or slippage, for 10 minutes.
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15
Q

Static Load.

A

Static Load Test. A load test conducted on newly installed, structurally repaired (e.g. by welding) or structurally overhauled (e.g. replacement of major structural sections) systems where a test weight equivalent to 200% of WLL is applied as a force by external means and held for not less than 10 minutes, to demonstrate structural adequacy of the equipment and foundation.

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16
Q

Dynamic Load Test.

A

A load test conducted to validate routine rigging, hydraulic system integrity and equipment braking actions. A test weight, typically equivalent to 125% of the WLL, is lifted by the weight handling system, held, and moved throughout the range of motion of the equipment at no specified speed.

17
Q

Full Load Test.

A

A load test conducted to demonstrate all movements, responses, speeds, interlocks and controls. This test is conducted at 100% WLL. Testing shall be continued until all portions of the system have been brought to steady state operating conditions and steady state operating temperatures.

18
Q

Proof Load Test.

A

A test conducted on portable or loose cargo gear in which the component is externally pulled to simulate 200% of WLL to demonstrate structural integrity.

19
Q

Wire Rope Systems.

A
  • Sheaves shall be arranged to minimize reverse bends and other conditions in the system that will cause undue wear or a decrease in the wire rope service life.
  • sheaves and drums shall be designed with a minimum tread diameter of not less than 18 times the diameter of the wire rope used. Swivel fittings shall be equipped with a grease lubrication fitting.
20
Q

Pad Eyes and Tie-Downs.

A
  • Level 1 - Annual Inspection.
  • Conduct visual inspection of all fittings and their foundations. Damaged equipment shall be repaired or replaced.
  • Where inspection indicates possible fractures, excessive wear, deformation or corrosion, Level 2 inspection is required.
  • A 10% reduction in the original dimensions shall be cause for removal from service.
21
Q

Level 2 Inspection. for pad eyes and tie downs

A
  • Fittings shall be inspected by non-destructive examination methods or shall be pull tested to 150% of Working Load Limit.
  • Frequency shall be documented by CMP, but not less than once every 4 years.
22
Q

Repaired Fittings. pad eyes and tie down

A

After weld repairs, affected pad eyes and tie downs shall be inspected and pull tested to 200% of the WLL, prior to being returned to service.

23
Q

what is a level 1 inspection consist of?

A
  • The intent of this inspection is to ascertain the safety of the rigging and other critical equipment parts that could result in injury, loss of life or equipment damage if failure occurs.
  • inspection shall include all wire rope and fittings, block fittings, hooks, links, shackles and associated pins, swivels, boom and frame pad eyes, hoist control linkages, and brake springs and linkages
24
Q

What is a level 2 inspection?

A
  • unship the boom or frame
  • disassemble and inspect topping lifts, vangs, swivels
  • replace wire rope
  • conduct dynamic load test
  • Overhauls: Overhaul of components shall be based on equipment condition or evidence of problems
25
Q

Level 3 Inspection and Overhaul.

A
  • This level of inspection and testing may be waived, on a case-by-case basis, by the cognizant Product Line Manager, provided that the conditions of the systems are evaluated by diagnostic means.
  • This level is to accomplish the requirements of the Level 1 inspection and Level 2 inspection and overhaul, plus the requirements listed herein
26
Q

Boom and Frame Tests.

A
  • Dynamic Load Tests shall be conducted at the pier with a test load equivalent to 125% of the Working Load Limit of the boom or frame
  • Rated Load Tests (100% of Working Load Limit) shall be conducted while underway to prove the installation of a wire rope fitting or other repair conducted underway. Upon return to dockside, the Dynamic Load Test shall be completed as above.
27
Q

Static Test. Modified Static testing of the chain stopper to

A

150% of the Working Load Limit
of the stopper is required only on initial installation or after structural modifications to the
chain stopper or changes to its supporting structure.

28
Q

ANCHOR (S) AND ANCHOR CHAIN MAINTENANCE

A
  • ## Inspection. To ensure that anchor chain is free for running, all anchors shall be lowered (semiannually) until two shots remain on board.
29
Q

TESTS AND INSPECTION OF BOAT HOISTING EQUIPMENT.

A
  • boat hoisting equipment maintained by shore facilities shall be load tested once every two years, and prior to use after any alteration or repair to the equipment which affects the ability of the equipment to lift.
  • Load tests shall be conducted annually, or after any modifications of hoisting fittings, slings, cranes, booms, or davits and falls that form a part of the boat handling gear.
  • or anytime the OIC demands
  • Load Test Procedures. In order to minimize strain on the boat, the test load shall be applied to the boat one-half forward and one-half aft (as near to the hoisting fittings as possible). The test load is, in general, equal to 150 percent of the normal hoisting load.
  • Responsibility for Tests. The tests, inspections, and maintenance of weight handling equipment are the responsibility of the CO/OIC.
30
Q

WIRE ROPE.

A
  • Wire ropes shall be visually inspected for obvious deficiencies or defects daily or prior to use if the equipment is not used daily.
  • A qualified person shall perform external inspection of all wire rope in use at least quarterly,
  • external inspections of all general purpose lifting equipment wire rope at least semi-annually to prevent injury
  • If a weight handling system wire has been idle for more than 30 days, a quarterly inspection shall be conducted
  • Internal Inspections: Internal inspections of wire ropes shall NOT be performed on a routine basis.
31
Q

External Inspection. of wire rope

A
  • The diameter shall be measured in a circumscribing circle in six or more places on the rope.
  • Wire rope can be opened for internal inspection only when the wire is completely relaxed.
  • Six broken wires in one rope lay length or three wires in one strand lay length of weight handling system or general purpose wire. Three broken wires in one rope lay length for all standing rigging wire.
  • Wear of 1/3 the original diameter of outside individual wires.
  • Wire rope shall not normally be replaced on a routine scheduled basis more frequently than once every four years for most installations,
  • Galvanized wire rope shall be unshipped and pressure lubricated at least every five years.

Inspections (5 decks)

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