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28 Cards in this Set
- Front
- Back
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The _____ is responsible for the design, construction, and maintenance of the shipboard potable water systems, including treatment facilities and processes to assure that safe drinking water is available at all times.
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Naval Sea Systems Command (NAVSEASYSCOM)
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The ______ 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.
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Naval Facilities Engineering Command (NAVFACENGCOM)
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_____ is responsible for establishing and promulgating health standards for water quality afloat.
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Chief, BUMED
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The ______ is 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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commanding officer, master, or other applicable responsible party of each ship
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The _____ department of the ship is responsible to the commanding officer or master for implementing the requirements of the NAVSEASYSCOM.
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engineering
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The ______ officer is responsible for the chloride and hydrogen ion (pH) testing of the ship’s potable water.
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engineering officer
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The ______ is responsible for conducting a medical surveillance program of the potable water system.
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medical department representative (MDR)
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______ connections between the potable water and seawater of other systems are not permitted.
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Cross connection
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Seawater is used aboard ships such as in the _________.
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fire mains, decontamination, and for marine sanitation devices (MSDs) flushing
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If unusual conditions require drastic restrictions in the use of potable water, the allowances should not be less than ____ gallons per man per day to be used for drinking and cooking purposes.
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2 gallons
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For new ship constructions, ___ gallons of water per day per man is specified by NAVSEA for design considerations. This encompasses a broad spectrum of potable water uses including drinking water, galley and scullery, personal hygiene, and laundry.
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50 gallons
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Potable water hoses (shall/ shall not) be submerged in harbor water.
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shall not
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________ (State and territory) approved public water systems.
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Environmental Protection Agency (EPA)
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Shipboard potable water risers shall be at least ____ inches above the deck and turned down, except when risers are located within the ship, such as in submarines. On ships using steel tapes for sounding potable water tanks, the tape handle must be color-coded dark blue, labeled, or otherwise identified “_______" with ___-inch high letters approximately every ___ feet and the end couplings painted ____ (color).
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18 inches
POTABLE WATER USE ONLY 1-inch letters every 10 feet dark blue |
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Single and triple pass _____ plants are another type of shipboard water production technology.
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Reverse osmosis (RO) plants
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Filling connection hose valves must have the potable water receiving connection at least _____ inches above the deck and turned down to protect it from contamination.
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18 inches
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Potable water hose storage lockers must be identified and labeled "_________."
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POTABLE WATER HOSE
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FAC residual concentrations as high as ____ ppm at the tap usually do not cause objection-able tastes and odors.
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1.0 ppm
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While the National Primary Drinking Water Standards are not applicable for shipboard potable water systems, EPA has established a maximum contaminant level (MCL) for all disinfectants at ___ ppm.
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4 ppm
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Shipboard water is disinfected by the addition of sufficient ____ or ____ to produce not less than ___ ppm FAC or TBR after ____ minutes contact time measured at the potable water tank.
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chlorine or bromine
not less than 0.2 ppm FAC or TBR after 30 minutes contact time |
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_____ of ___ ppm throughout the distribution system should be maintained. Water without a halogen residual received from approved sources or water produced on board must be chlorinated or brominated to provide at least ___ ppm halogen residual (FAC/TBR) at the end of a ___-minute contact time (CT) in the potable water tanks.
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Halogen residual (卤素残留) of 0.2 ppm
0.2 ppm, 30 minute |
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At least ____ ppm total chlorine residual should be present in the municipal 市级 water source at the pier riser.
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2.0 ppm
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Water received from an unapproved source, a source of doubtful quality, or an area where amebiasis or infectious hepatitis is endemic, must be chlorinated or brominated to provide at least a ___ ppm halogen residual (FAC/TBR) at the potable water tanks at the end of a ___-minute contact time.
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2.0 ppm
30-minute |
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Potable water hoses are disinfected by filling with a solution containing 100ppm FAC for ____(time). Flush the hose for a minimum of ____(time) with potable water prior to use.
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2 minutes
30 seconds |
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Only approved ____-gallon potable water containers shall be used for the storage of potable water.
Each container shall have the word “_____” either embossed or painted on the exterior surface in letters at least ___-inch high. |
5 gallon
POTABLE WATER 1 inch |
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All interior surfaces shall be disinfected by exposure to a chemical disinfectant solution for at least ___ minutes. Approved chemical disinfectants for these containers include: _____.
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2 minutes
calcium (70%) and sodium hypochlorite |
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_____ (pressure) and _____ (suction) indicate a reversal in the direction of flow in a potable water system and the entry of non-potable water or other substances into the potable water.
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Backflow (pressure)
Back-Siphonage (suction) |
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_____ is more effective at lower pH values and at warmer temperatures. High pH levels (>=___) will adversely affect the disinfectant properties of chlorine or bromine.
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Halogenation 卤化
pH >= 8.5 |
