6.13 Flashcards
Coaming
A raised frame to keep out water
Distillation
Total process of distilling plant forms. IE Evaporation and condensation.
Free available Chlorine
The amount of Chlorine available after demand is met.
- Hypochlorous
- Hypochlorite ions
Potable water
Water that can be consumed or used for human consumption
Reverse Osmosis
Water purification process. Application of reverse pressure that causes solvent to flow through a semipermeable membrane
Colilert / Colisure
Test used to detect ECOLI in water sources
Total Coliform
Found in animals and human digestive systems, the test is a good indicator for Ecoli. Coliform itself is harmless.
Responsibilities of NAVSEASYSCOM in relation to shipboard potable water systems. (3)
- Construction
- Design
- Maintenance -
What is the responsibility of NAVFACENGCOM?
Creating instructions for ship to shore potable water connections and providing approved water while berthed at a naval facility.
What are BUMEDS responsibilities?
- Creating health standards for water quality afloat
- Creating instructions for afloat water quality requirements
- Creating requirements for medical surveillance of potable water systems
Responsibilities for Area, Fleet, and subordinate commanders.
- Adequate water sanitation standards are provided
Responsibilities of Commanding Officers
- Creating a Water sanitation bill
Responsibilities of the Engineering Department
-Implement requirements from NAVSEASYSCOM
-Supply and treatment of potable water
- Ensure connections are made by authorized personnel
- Halogen and PH testing
MDR responsibilities
-Conduct medical surveillance of potable water system
- BACTI
- Daily Halogen testing
- Notify CO of discrepancies
Number of gallons allotted per man per day.
50
Water hours
2 gallons per man per day
Sea water used for marine sanitation
happens when not enough water for everyone
Approved sources of potable water for naval ships
Navsea approved methods
Shore to ship from approved and unapproved
NAVSEA approved methods of creating potable water
Distillation, RO, other
Who decides of approved public water systems?
EPA
Who can deliver potable water ship to shore that is not US related?
British royal navy , Canada forces, Australian Navy, other OCONUS locations that have been okay’d by NEPMU
Shore to ship delivery of potable water from an unapproved source
Allowed as long as water is brought to 2 PPM before brought on
What are the types of water production plants?
Distillation, RO,
Types of Distillation. (3)
Steam- from power plant
Waste heat - heat from diesel eng jacket
Vapor Compression -Electrical
Types of Reverse osmosis and what they do
Single Pass - Requires additional disinfection
Triple pass - No further disinfection needed
Shipboard water system components
- Potable water tank
- Vents and overflow lines
- Manholes
- Water level measurement
- Filling lines
- Piping
Potable water tank coatings abide by what standard?
NSF/ ANSI
Types of water level measurement tools, and what they have to be labeled
Automatic
Petcocks (lol)
Sounding tubes (lol gay)
Must be labeled “POTABLE WATER USE ONLY”
What color are Fillin lines for potable water?
Dark blue
How far off the deck must hose valves and risers be?
18 Inches
How hot should potable water come out at the water tap (max)?
120F
What is a sloped self draining pipe tunnel used for?
When potable water pipes pass through non potable water tanks