What is the prerequisite for 307 Advanced DC?
306 Basic Damage Control.
What references support 307 Advanced DC?
NSTM 555 rev 17 and NSTM 079 rev.
What is required to test out of 307?
Completion of PQS, divisional TPO signature, and a written test.
What is the ESP and what is it used for?
Electrical Submersible Pump; centrifugal pump to dewater compartments; can pump other liquids.
What is ESP rated capacity?
140 GPM at 70 ft head; zero at 90 ft head.
What is ESP suction lift limit?
20 ft max suction lift.
What power does ESP require and who may operate it?
440V; electricians only.
What cable lengths are provided with ESP?
45 ft power-to-control box; 30 ft control box-to-pump.
What are portable eductors and how do they work?
Jet-type pumps; firemain flow creates suction at inlet.
What are the specs of an S-type eductor?
265 GPM, 1?-in supply, 2?-in discharge, has foot valve/strainer.
What are the specs of a Peri-Jet eductor?
530 GPM, 2?-in supply, 4-in discharge, passes small debris, no strainer.
What are the specs of a Derbyshire eductor?
1?-in supply, 2?-in discharge, has foot valve, usable with many fluids.
What are the two installed drainage systems?
Main drainage and secondary drainage.
Where are Essex’s main drainage eductors?
7 total: 1&2 FWD JP-5, 3–5 FWD MMR, 6–7 AFT MMR.
How many secondary drainage eductors on Essex?
22 total, serving outlying spaces.
What is required to operate installed eductors?
Align per EOSS and get EDO permission.
What is the P-100 and what is it used for?
Diesel-driven portable pump for firefighting/limited dewatering.
What fuels does the P-100 use?
JP-5 (preferred) or F-76.
What is the capacity of the P-100?
100 GPM at 83 PSI with 20-ft suction lift.
What are P-100 specs?
164 lb (2-man lift), ~2.75 hr op with 1.45 gal fuel, recoil start, discharge valve.
How many P-100s onboard Essex?
Five on main and upper vehicle deck.
Can P-100 be used with portable eductors?
Yes, for dewatering.
What is shoring?
Supports structures to prevent failure until permanent repairs.
What are metal shoring sizes/strengths?
3–5 ft: 20k lb collapsed, 12k extended. 6–11 ft: 20k collapsed, 6k extended.