Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
84 Cards in this Set
- Front
- Back
|
What is Brine
|
Highly concentrated saltwater, seawater waste produced during distillation that is diverted overboard as waste
|
|
|
WHat is a brominator?
|
Injects bromine via resin cartridge to disinfect shipboard potable water
|
|
|
What are the 2 types of Brominators?
|
Automatic and recirculating
|
|
|
What is an Automatic brominator?
|
Designed to release a proportioned amount of bromine to a given flow rate of water as it leaves the plant
|
|
|
What is a recirculating brominator?
|
Designed to inject bromine between shipboard potable water tanks.
|
|
|
What is butterworthing?
|
Procedure used to clean tanks while at sea Mechanically must be immediately chemically disenfected.
|
|
|
What is a chlorinator?
|
Electric or hydraulic pump that injects hypochlorite into water at distillation plant, distillate line or shore fill line
|
|
|
What is a distillation plant?
|
Source for purifying sea water for potable water, and ships boilers
|
|
|
WHat are the 3 types of distillation plants?
|
Steam distilling (Boiler)
Heat recovery or waste heat (gas turbine) Vapor compression (electrical) |
|
|
What is distillate?
|
the final distillation product less than 0.65 epm (2.3 ppm) and must be disinfected to be potable.
|
|
|
WHat are DPD tablets?
|
Used to determine the presence of disinfectants in water
|
|
|
WHat are the 2 most common types of DPD?
|
#1 measures FAC/TBR
#4 Measures TCR (Cloramine) |
|
|
What is feed water?
|
Sea water for distilling or RO distillate that feeds the boilers
|
|
|
What are Phenol Red tablets?
|
Used to measure PH of water
Scale is 0-14, 7 is considered neutral. |
|
|
Who is the Potable water log maintained by? How long are they required to be held?
|
They are maintained by SMDR or PMT, and must be onhand for 2 years.
|
|
|
What systems are able to use sea water to conserve potable water?
|
Weather decks
Fire Mains Chill water Flight deck washdown |
|
|
What are the systems that use sea water for general sanitation?
|
Decon showers
Garbage Grinders Water Closets |
|
|
When can potable water tanks be filled with balast water?
|
In emergency to keep ship afloat
|
|
|
What are sounding tubes?
|
Tubes that rise vertically above liquid tanks to determine liquid depth with sounding rods and steel tapes
|
|
|
What are water closets?
|
Toilets and are able to be flushed with sea water
|
|
|
What are water hours?
|
Unusaul circumstances when water use must be restricted to 2 gallons per man per day, and used only for cooking and drinking
|
|
|
What are water risers?
|
Used to make a potable water filling connection, must be properly labeled, and 18 inches off deck, connection must face downward
|
|
|
What color is the potable water system labeled?
|
Dark blue
|
|
|
Chill water, electronic cooling system, boiler feeding system, and laundry is labled as what color?
|
Light blue
|
|
|
What systems are labeled as green?
|
Garbage grinders, chutes and other food service equipment, sprinkler system, water washdown system, Flushing system.
|
|
|
When a steel tape is required to measure water level what are the steps for disinfection?
|
Must be labeled Potable water use only and cleaned with 100 ppm FAC for 2 minutes.
|
|
|
What are requirements for Potable water hose lockers?
|
Printed step by step instructions for disinfection of equipment posted conspicuously inside the locker
|
|
|
How must hoses be handled?
|
must be approved, examined routinely, removed from use when cracks develope or leaks occur.
|
|
|
How must hoses be labeled?
|
Potable water only
every 10 feet couplings labled dark blue |
|
|
What shouldn't happen with hoses?
|
Never be submerged in harbor water.
|
|
|
What is the rule of thumb in chlorine dosage?
|
one ounce of HTH per 5000 gallons of water will make it 1.0 ppm FAC
|
|
|
What are the required halogen risiduals for Clorine in approved sources?
|
.2 ppm with 30 min contact time
|
|
|
What are the required halogen residuals for chlorine in unapproved sources?
|
2.0 ppm with 30 min contact time.
|
|
|
When scrubbing tanks, what is the Halogen risiduals?
|
100 ppm contact time is N/A
|
|
|
If system need disinfection, what are the requirements for contact time and Min residual of what FAC?
|
At least 50 ppm for 4 hours contact time. if at any time risidual drops below 50 boost back to 100 ppm and restart 4 hour contact time.
|
|
|
How do we control taste and odor problems?
|
Chlorination method, 5.0 ppm, and maintain 2.0 ppm
Steam method (requires NAVSEASYSCOM approval) Boil sample water for one minute to ensure proper effect |
|
|
How do we store HTH?
|
6 oz bottles, must be sored in cool, dry, well ventilated place. Must be stowed in lockbox mounted on bulkhead.
|
|
|
What is the maximum number of HTH that we can store?
|
No more than a seven day supply shall be maintained in ready use stock, and no more than 48 bottles shall be stored in any locker or bin.
|
|
|
What is Medicals Responsibilites for Wate waters?
|
Inspections
Training Technical Assistance |
|
|
What are the 2 modes of CHT System?
|
Manual mode, Automatic mode
|
|
|
WHat happens during Automatic mode?
|
Low level stops pump at 10%,
30% signals the duty pump to activate. 60% Capacity signals the standby pump to activate. |
|
|
What happens when 80% capacity is reached?
|
High level alarm is activated.
|
|
|
What 3 immunizations are required for waste water treatment personnel
|
Polio
Tetanus Diptheria |
|
|
What are the 2 disenfectants approved by the EPA?
|
Phenolic
Iodine |
|
|
WHen should an OBA be used?
|
For emergency rescue and damage control
|
|
|
WHen should an EEBD be used during a spill?
|
Used for emergency escape in the event of a sewage spill.
|
|
|
What PPE is required for CHT worker?
|
Coveralls
Rubber boots rubber gloves face shield OBA when necessary |
|
|
WHat it the process for leak testing of CHT?
|
Look for leaks
Odor Paper towel test. |
|
|
WHat gas hazards are associated with CHT?
|
Hydrogen Sulfide
Methane Ammonia CO2 |
|
|
How is wastewater disposed of at sea?
|
All wastewater stored in holding tanks are diverted or discharged overboard.
|
|
|
How is wastewater disposed of in port?
|
Discharged into sanitary sewer or into ship waste off load barges (SWOBS)
|
|
|
How is wastewater relesed in restricted zones?
|
It isn't, it is collected and stored and grey water is discharged overboard via diverter valves.
|
|
|
What are the responsibilities for the unit commander of Ground forces?
|
Ensures there is sufficient quantities of safe water for drinking, cooking, and bathing, enforcement of water discipline, inform troops of consuming untreated water.
|
|
|
What are the reponsibilities for engineering officer?
|
Provides sufficient potable water quantities for the population, construction and operation and maintenance of all facilities used for collection, treatment, and distribution of potable water,
|
|
|
What are the responsibilities for the Medical department for ground forces?
|
Advises the CO on water quality issues, Assists engineering with selection and surveying the potable water system
|
|
|
What are the 3 phases of operation for ground forces potable water?
|
Planning phase
Initial combat phase Later combat phase |
|
|
What are the types of water sources?
|
surface water
Ground water Sea water Other sources |
|
|
What are 3 influences on water choice?
|
Quality
Quantity Accessiblity |
|
|
What is the safest water source selection?
|
Public water supply- Easiest and safest. Clorinate 2 ppm for 30 min
|
|
|
What is ROWPU?
|
Reverse Osmosis Water Purification Unit from Shore, works by reverse osmosis when Sea water is distilled aboard ship and sent ashore.
|
|
|
What are different types of water containers in the field?
|
Canteen -1 quart
Water Jug- 5 gallon Lyster Bag- 36 gallon (requires constant monitoring due to chlorine loss) Bladders- different sizes Water Bull- 400 gallon most used in the field must be monitored, |
|
|
How to super chlorinate water bull?
|
100ppm for 4 hours, must not fall below 50ppm or you have to restart, must be labeled " Poison do not drink"
|
|
|
WHat information does Hologen testing provide?
|
Provides results to the amount of residual harmful chemical contaminants
|
|
|
Who is responsible for PH testing?
|
Engineering, may be done by Medical as well
|
|
|
When using Collilert for Bact testing, what are results?
|
Clear is negative
Yellow is positive Flouresent yellow positive for ecoli |
|
|
When using Colisure what are colors for results?
|
Yellow is Negative
Magenta is positive floures Blue positive for e coli |
|
|
WHat is the definition of Hot bunking?
|
assigning more than one member to one berth.
|
|
|
WHat is definition for Surge
|
Personell temporarily embarked for special operations or excersises, usually for short duration of time.
|
|
|
WHat is definition of Habitability?
|
Capable of being lived in
|
|
|
What type of pillows are prohibited aboard ship?
|
Polyurethane
|
|
|
What is surge berthing?
|
USed on amphib ships for excess accomodations for extra people, berths are removable
|
|
|
WHen is head to foot required aboard ship?
|
Only if privacy curtains are not installed.
|
|
|
What EPA registered disinfectants are approved for use?
|
Barbercide and Clippercide
|
|
|
WHat is the difference between EPA and FDA in the barbershop?
|
FDA regulates cosmetics applied to the skin, EPA regulates disenfectants.
|
|
|
Who can conduct medical screenings?
|
Any medical provider, but MO must approve of return of sick individual back to duty once disqualified.
|
|
|
What diseases will exclude barbers from working?
|
Being ill, inflamed or infectious conditions of scalp, face and neck, diseases.
|
|
|
When does a barber need to clean or disinfect his instruments?
|
Between every patron
|
|
|
What are the requirements for changing barbicide?
|
If there is hair clippings present, or change weekly.
|
|
|
What is the minimum number of insturments per operator?
|
Clipper heads, 3 sets of 3
Combs 7 different sizes scissors 3 pairs Thinning shears 2 pairs Flat top brushes 2 |
|
|
WHat is the frequency of inspections for barber shops?
|
At least Quarterly
|
|
|
WHat method is used to clean barber shops?
|
Dustless method
|
|
|
When are we allowed to use sea water for laundry?
|
Outside of 50 fathom curve, and never in polluted waters
|
|
|
When laundry is not washed with bleach, what must happen?
|
A hot air dryer must be used
|
|
|
What are requirements for handling soiled lined?
|
Must be trained and wearing uniforms, masks, and gloves.
Must be in individual impervious laundry bags, |
