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MCQB > NFPA 306 > Flashcards

NFPA 306 Flashcards

1
Q

nfpa 306 applies vessels that..

A

carry or burn as fuel, flammable or combustible liquids, flammable compressed gases, flammable cryogenic liquids, chemicals in bulk, or other products capable of creating a hazardous condition

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2
Q

does nfpa 306 apply to any vessel anywhere?

A

No, only to vessels while in the US, including it’s territories and possessions, both within and outside of yards for ship construction, alteration, repair or ship breaking

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3
Q

nfpa 306 applies to spaces that

A

are subject to concentrations of combustible, flammable, and toxic liquids, vapors, gases and chemicals.

also in spaces that might be oxygen deficient

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4
Q

What type of work does nfpa 306 apply to

A

cold work, application or removal of protective coatings and hot work involving riveting , welding, burning, or similiar spark producing activities

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5
Q

what kind of landslide confined spaces does nfpa 306 apply to?

A

located within the boundaries of waterfront facility, shipyard, or ship repair facility and related shipyard employment (regardless of geographic) stationary or mobile,

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6
Q

examples of landside confined spaces in nfpa 306

A

underground and above ground storage tanks
hollow structures such as tank trucks, railroad tank cars, power plant fuel tanks, storage tanks, dip and laundry tanks, tunnels
other spaces that contain dangerous atmospheres

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7
Q

what kind of hazards do nfpa 306 not apply to

A

physical , biological, and /or radiological hazards of tanks and confined or enclosed spaces on a vessel, vessel sections, or in a shipyard

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8
Q

purpose of nfpa 306?

A

to provide the minimum requirements and conditions for use in determining that a space or area (for which the standard applies)is safe for entry or work

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9
Q

when can a vessel come into port not clean and or not gas free?

A

under the emergency exception (1.3) a vessel whos safety is imperiled subject to the approval of authority who has jurisdiction

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10
Q

definition of adjacent space

A

spaces that are touching in all directions of subject space .

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11
Q

barge

A

non self propelled vessel

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12
Q

what chapter contains definitions?

A

chapter 3

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13
Q

what are coiled vessels

A

tank vessels that use a closed system or thermal heating coils

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14
Q

definition of cold work

A

any construction, alteration, repair, or

shipbreaking that does not involve hear, fire, or spark producing operations

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15
Q

combustible liquid NFPA definition

A

any liquid with closed-cup flashpoint at or above 100 degrees F

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16
Q

combustible material definition

A

material made of or surfaced with : wood, paper, fiber, plastic or other material that will ignite and burn, whether flameproof or not , plastered or not.

17
Q

competent person definition (nfpa)

A

a person designated in writing by the employer IAW 29 cfr 1915.7

18
Q

cryogenic liquid definition

A

fluid with boiling point below -130’F at absolute pressure 14.7 psi

19
Q

flammable compressed gas definition

A

any flammable gas that has been compressed, liquefied or both for the purpose of transport and gas reid vapor pressure exceeding 40psi

20
Q

flammable liquid (NFPA)

A

a liquid with closed cup flash point under 100’F and has a max VP of 40psia at 100’F

21
Q

hollow structure

A

an enclosed structure not open to atmosphere

22
Q

types of hollow structures

A

rudders, rudder stocks, skegs, masts, railings, bilge keels, mooring equipments, stanchions

23
Q

Hot Work (NFPA)

A

any activity involving;

riveting, welding, burning, use of powder actuating tools, or similar fire producing operations, any operation that raises the temperature of the work piece to 400’F or higher.

***grinding, drilling, abrasive blasting, or similar operations in the presence of OR against accumulations of readily combustible materials or flammable or combustible liquids, gas, or vapors when the atmosphere exceeds 10% of LEL

24
Q

what is the requester responsible for?

A

maintaining safe conditions according to MC cert.

25
Q

what does secured mean?

A

means it’s closed in a way to prevent opening

26
Q

what is a tank vessel (nfpa)

A

any vessel that is constructed to carry bulk liquid cargo in tanks

27
Q

what does toxic mean?

A

a chemical can produce adverse health effects or injury if exposed.

28
Q

what is toxicity factors for exposure?

A

concentration, time, and route of exposure

29
Q

what does visual inspection consist of?

A

physical inspection of the space to identify atmospheric and fire hazards

30
Q

which vessels are required to have MC certificate?

A

Tank vessels, vessels other than tank vessels, military, vessels in lay up, vessels carrying flammable compressed gas

31
Q

under what conditions can a tank vessel enter a yard for repair?

A
  1. for examination, for scraping, washing and painting: when all cargo and cofferdams are kept closed.
  2. for cold work performed on prop., tailshaft, rudder or hot work performed off the vessel such as on anchor chains, provided cargo and cofferdams are kept closed.
  3. for work within boilers and machinery spaces and other locations, but MC cert is required for hot work. all compartments where atmosphere is over 10% lel shall be kept closed and secured and these shall be noted on certificate.
32
Q

what vessels shall be treated as tank vessels?

A

military tank barges and oilers

33
Q

what are the requirements for vessels (other than tank vessels) when it comes to hot work?

A

If the vessel has carried flammable or combustible liquid in bulk as fuel or cargo, or cargo that can produce hazardous atmospheres….

no hot work undertaken in or on external boundaries of cargo tanks, fuel tanks, oil pipelines, heating coils, or hollow structures, and machinery spaces unless inerted or cleaned to meet 7.1.4,7.1.6,7.1.8 and if entry required to meet 7.1.1.

34
Q

can repairs start without MC cert completed and signed?

A

NO. according to 4.2.2, no repairs or alterations can be undertaken until a certificate is obtained.

35
Q

ammunition requirement for military vessels (NFPA)

A

removed for hot work space or isolated.

36
Q

How are adjacent spaces containing ammunition treated on military vessels?

A

according to the marine chemists requirements.

37
Q

how are adjacent spaces containing flammable or combustible liquids treated on military vessels?

A

according to MC requirements

38
Q

how are adjacent tanks used for radiation shielding on nuclear powered vessels treated?

A

IAW MC requirements

39
Q

tanks, confined spaces and machinery spaces on military vessels shall be cleaned to comply with which regs before what activity

A

before alteration or repairs

for entry :
7.1.1 - atmosphere safe for workers
OR
7.1.3 - enter with restrictions

for hot work:
7.1.4 - safe for hot work 
7.1.6 - safe for limited hot work 
OR 
5.1.3 - partial cleaning for limited hot work

MCQB (7 decks)

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