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SFIDC > Manage Potable Water Surveillance > Flashcards

Manage Potable Water Surveillance Flashcards

1
Q

Define coaming

A

A raised frame to keep out water

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2
Q

Define distillation

A

The total process the distilling plant forms, including evaporation and condensation.

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3
Q

Define Free Available Chlorine (FAC):

A

Chlorine available (after demand is met) in the forms of Hypochlorous acid and Hypochlorite ions.

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4
Q

Define Micron

A

A unit of length. One millionth of a meter.

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5
Q

Define point of use

A

A treatment device applied to a single tap used for the purpose of reducing contaminants in drinking water at that tap.

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6
Q

Define potable water

A

Water that is suitable for human consumption, bathing, laundry, personal hygiene.

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7
Q

Define reverse osmosis

A

The reverse of the natural osmosis achieved by external reverse pressure to cause the solvent to flow in its unnatural
direction.

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8
Q

Define Colilert / Colisure

A

Test used to detect total coliform and E-coli in the potable water.

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9
Q

define total coliform

A

Are a group of closely related, mostly harmless bacteria that live in soil and
water as well as the guts of animals. The extent to which total coliforms are
present in the source water can indicate the general quality of that water and
the likelihood that the water is contaminated with fecal matter. The presence
or absence of total coliform bacteria is the drinking water standard

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10
Q

Define E. Coli

A

A type of fecal coliform bacteria commonly found in the intestines of
animals and humans. E. coli is short for Escherichia coli. The presence of E.
coli in water is a strong indication of recent sewage or animal waste
contamination. Sewage may contain many types of disease-causing
organisms.

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11
Q

what are the responsibilities of Naval Sea Systems Command (NAVSEASYSCOM)

A

Design

Construction

Maintenance

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12
Q

who is responsible for promulgating instructions for ship-to-shore potable water connections and for providing potable water from an approved source when the ship is berthed at a naval facility

A

Naval Facilities Engineering Command (NAVFACENGCOM)

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13
Q

what are the responsibilities of the chief of BUMED IRT potable water

A

health standards for water
quality afloat

afloat water quality requirements.

medical surveillance of potable
water systems.

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14
Q

what are the responsibilities of the Area, Fleet and subordinate commanders

A

Responsible for issuing the necessary
implementing directives to ensure that adequate water sanitation standards are
provided and enforced in each ship within the command

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15
Q

what are the responsibilities of the Commanding Officer

A

responsible for promulgating a water sanitation bill to
ensure that procedures for receipt, transfer, treatment, storage, distribution, and
surveillance are provided and followed.

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16
Q

what are the responsibilities of the Engineering Department

A

Supply and treatment of Potable water

Ensure that all ship-to-shore and ship-to-ship connections are made only by
authorized personnel,

Halogen and pH testing

Ensure minimum halogen residuals are maintained

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17
Q

what are the potable water system components that Engineering Department maintains

A

Receive

Store

Distribute

Produce

Treat

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18
Q

what are the responsibilities of the medical department

A

Bacteriological (BACTI) Testing

Daily Halogen Testing

MDR shall notify the commanding officer of any discrepancies observed in the
potable water distribution system.

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19
Q

how many gallons per day is specified by by NAVSEASYSCOM in normal conditions

A

50 gallons

20
Q

during water hours how many gallons per day is authorized

A

no less than 2 gallons

21
Q

what are approved sources of potable water for naval ships

A

Distillation, Reverse Osmosis (RO),

Shore-to Ship delivery

Ship-to-Ship

22
Q

ships should avoid making water while operating in what conditions?

A

Harbors or from polluted seawater.

close formation.

stripping/discharging waste or bilge water forward of the saltwater intakes.

23
Q

who approves public water systems

A

EPA

state/territory

24
Q

what countries have approved water sources of

A

British Royal Navy

Royal Australian Navy

Canadian Forces

25
Q

if water is shore to ship delivered from a unapproved source what must prior to allowing receipt receipt

A

been treated at a minimum of 2.0

ppm

26
Q

what are the two types of water production plants

A

Distillation Plants

Reverse Osmosis (RO

27
Q

what are the three general Distillation Plants

A

Steam Distilling Plants

Waste Heat Distilling Plan

Vapor Compression Type

28
Q

the navy uses what Reverse osmosis pass

A

Single or triple pass

29
Q

what percentage of water permeates through the RO

membrane to become fresh water.

A

20-25 percent

30
Q

if single RO is utilized what is done

A

additional disinfection such as

chlorination or bromination is required

31
Q

is additional disinfection required for For triple pass RO plants

A

No

32
Q

what are the Shipboard Water System Components

A

Potable Water Tanks

Vents and Overflows lines

Manholes

Water Level Measurement

Filling Lines

Piping

33
Q

shipboard potable water tanks are required to be compliant with who

A

NSF/ANSI standard

34
Q

where are the Unauthorized termination points

A

Food Service Spaces

Medical Spaces

Toilets

Electrical or electronic rooms

Exterior of the ship

35
Q

if the top of a tank is also a deck what must be a design feature

A

1/2” curb or coaming above deck

36
Q

if a steel tape that sounding tube is utilized how must it be disinfected

A

200 FAC for 2 min

37
Q

filling lines must have what characteristics

A

Clearly labeled

Color coded Dark blue

18 inches from the deck

Turned facing downward

Screw caps with keeper chains

38
Q

Potable hot water settings should be set so the temperature at the fixture at what temp at the water tap

A

120 degrees

39
Q

what are characteristics of the potable water hose locker

A

Vermin proof
Locked

18 inches off the deck

instructions for disinfection of hoses and risers

40
Q

how shall hoses be labeled

A

“POTABLE WATER ONLY” with 1 inch high letters every 10 feet

Couplings color-coded dark blue.

41
Q

how shall Valves for receiving or supplying potable water (Risers) be labeled

A

warning plate “POTABLE WATER ONLY” in 1/4
inch high letters.

Valves or valve handles must be color-coded dark blue.

42
Q

what must be done before receiving or transferring water via approved source,

A

Halogen shall be tested prior to the initial transfer of water

43
Q

who shall the engineering dept notify before making potable water hose connection.

A

MDR

44
Q

if potable water is obtained from a doubtful quality what shall be done

A

investigated and examined water

advise CO of any necessary procedures, safeguards, and disinfection.

45
Q

what is the minimum halogen residual requirements for water with doubtful quality

A

2.0 ppm

SFIDC (50 decks)

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