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34 Cards in this Set
- Front
- Back
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who must be present during clean-ups and disinfection operations involving food service spaces, living spaces and medical spaces.
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medical department
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Inspections
Training (as related to health) Technical Assistence are the responsibilities of whom? |
Medical Department
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the medical department provide on-site advice, when requested, what responsibility is this an example?
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Technical assistence
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Who Conduct visual inspections of marine sanitation devices (MSD) components as part of the routine habitability and sanitation inspection.
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Medical Dept.
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what are the three collection elements of Collection Holding and Transfer System (CHT)
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soil drains (toilets and urinals)
Gray water drains (showers, laundry, galley Diverter valves (waste H2O side of holding tank) |
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where are the three modes Marine sanitation devices systems operate in when empting collection holding & transfer system (CHT)
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Restricted waters
At Sea In port |
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Tanks that retain sewage during transit of restricted water for eventual disposal is termed what?
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holding elements of CHT
of (Marine Sanitation Device System) |
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what mode of the CHT stops pump at 10% of capacity to keep pumps primed?
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Automatic mode
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in automatic mode of CHT what fluid level signals the duty pump to activate?
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30%
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60% fluid level in CHT signals what to activate?
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standby pump
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what fluid level activates the high level visual and audible alarm ?
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80% of capacity
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what mode need be actuated independent of the level of wastewater in holding tank?
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Manual mode
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what mode when activated stops the pump at 10% to maintain pump suction vs keeping pump primed?
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Manual mode
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what pocesses the gratest danger to ship and personnel?
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Hydrogen sulfate (H2S)
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What must be done to tanks larger than 2,000 gallons of Untreated sewage?
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aerated
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Always assume sewage holding tanks contains toxic gasses unless who measures otherwise.
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gas-free engineer
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Never enter a CHT pump room if H2S odor is detectable unless wearing supplied with what?
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airline respirator
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at what level does the gas free engineer deem safe?
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H2S falls below 10 ppm
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to keep a negative pressure within the pump room where should the exhaust vent be?
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within 9inches of deck
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Where should the vent indicator light be mounted
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outside pump room
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how many EEBDs in the pump room?
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two
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where are "proper" warning plates located?
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near tank access
and outside pump rooms |
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what is the method used to look for leaks?
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paper towel test (pressurized)
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pumps
flanges gate and ball valves manholes soil & waste drains are all tested how? |
paper towl test
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what immunizations are needed for Wastewater tx personnel?
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Polio
Tetanus Diphtheria |
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PPE and Hygiene Practices required?
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Coverall
Rubber boots Rubber gloves Face Shield |
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why use EEBD in event of sewage spill
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Hazardous gasses
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can you flush sewage contaminated bilges with saltwater?
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yes
daily until bacteriological testing is negative |
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what agency approves the use disinfectents for medical, food service and berthing?
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EPA
Phenolic Iodine |
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Give what must be done in order if potable water supply suspected of sewage contamination?
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in order
Isolate Disinfect Flush |
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what color are CHT wastewater valves?
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gold
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what two labels needed for deck discharge stations?
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hose handling procedures
& sanitary health precautions |
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what are the three methods of disposing of shipboard wastewater?
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At sea
In port Transiting restrictive zones |
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when to utilize Ship Waste Off Load Barges (SWOBS)?
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In port
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