+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
WHAT DO SHIP FIREMAIN SYSTEMS PROVIDE TO
|
Fire hose stations, magazine sprinklers, afff, supplies sea water to main and secondary drain, flushing water, fuel oil ballasting
|
|
METHODS OF CONTROLLING SHIPBOARD FIRE MAIN SYSTEM
|
LOCAL: hands on method
REMOTE: uses electric push button, mech reach rod AUTOMATIC: regulating devices, gauges, transducer |
|
WHAT ARE COUPLING GUARDS?
(SHIPBOARD FIREMAN) |
PROTECTS YOU AND OTHERS FROM ACCIDENTALLY PUTTINGSHIRT SLEEVES OR HANDS INTO ROTATING ASSEMBLY
|
|
TYPES OF FIRE MAIN SYSTEMS
|
MAIN: large diameter pipe runs fore to aft of ship
SINGLE: consists of single main located near cntrline HORIZONTAL: 2 single fore to aft, x connect on same horizontal plane seperated as far as possible VERTICAL: 2 single fore n aft, x connected seperated both vertical and horizontal COMPOSITE: 2 mains on DC deck |
|
WHAT ARE THE 3 DRAIN SYSTEMS
|
MAIN: main mach rooms, may extend fwd/aft of MMR
Secondary:drains fwd/aft of MMR, smaller pipe thn MMR SPECIAL: installed for special purpose and seperate from secondary |
|
METHODS OF SYSTEM DRAINAGE
|
POWER FLOW
GRAVITY FLOW |
|
SAFTEY PRECAUTIONS OF SHIPBOARD DRAINAGE
|
*obtain permission from eoow/edo tp use eductors
*maintain comms with personnel inside remote spaces when eductors in operation *EOSS and DC diagrams must be followed always *make sure sufficient make up air is available *Oils and flammables shouldn't be discharged overboard unless its within EPA regulations |
|
STEPS TO ALIGN DISCHARGE OVERBOARD
|
Get permission
open discharge ovbd, open firemain actuator verify vacuum open suction |
|
STEPS TO SECURE DISCHARGE
|
Shut suction
shut firemain shut discharge ovbd |
|
DEFINE BUOYANCY
|
Tendency of an object to remain afloat when in water
displaces volume of water equal to volume of object |
|
DEFINE STABILITY
|
Ships tendency to remain in or return to an upright position after it is disturbed from rest by wind or sea
|
|
DEFINE MOMENT
|
Action of rotating one way or another to an upright position. a force that has a tendency to produce rotation around an axis. tends to either restore or overturn a ship
|
|
DEFINE HEELING MOMENT
|
Occurs when ship temporarily lean, may be temp or continue
|
|
DEFINE ROLL
|
When ship rocks port to starboard due to ocean
|
|
DEFINE LIST
|
Permanent angle of heel taken on by a ship. may be port/stbd depending on location of excess weight
|
