fire suppresion

Question 1

fire service water sources:
how many sources/how many gallons?

Answer 1

2 or more, >90k gallons

Question 2

fire service water sources (3)

Answer 2

susquehanna river, circ water flume, altitude tank

Question 3

fire service pressure milestones, pressures and what pump starts

Answer 3

125# fs-p-4 jockey pump trips
120-125# nominal system pressure
108# fs-p-4 jockey pump starts
90# FS-P-2 starts
80# FS-P-3 SH diesel pump starts
70# FS-P-1 CWPH diesel pump starts
65# FS-T-1 altitude tank discharges to maintain header pressure

Question 4

FS-P-4 jockey pump power supply

Answer 4

1C ESV MCC

Question 5

SH motor driven fire pump FS-P-2
power supply
trips:
interlocks
discharge pressure

Answer 5

1R (normal) or 1T 480 ES via ATS
trips: load shed on ES (A or B train)
interlocks: auto start, auto bus transfer, and mcr ext control blocked on ES
discharge pressure: 125#

Question 6

SH diesel driven fire pump (FS-P-3)
auto signals:

Answer 6

80# header pressure, deluge actuation, loss of 1E 4kv after 30 sec delay
(FO-T-3 must be >250 gallons

Question 7

Circ water diesel drive fire pump (FS-p-1)
auto signals:
other musts:

Answer 7

70# header pressure, loss of 1A 4kv after 10 second time delay
other musts: FO-T-4 must be >250 gallons fuel oil for operability

Question 8

automatic preaction operaility:
if inoperable, what is needed?

Answer 8

continuous fire watch w/ backup suppresion equipment within 1 hour

Question 9

actuation of cardox
how many out of how many HADS required for actuation at what temp?

or by what?
how much time delay/

Answer 9

1 of 4 HADS at 140F
or by manual pushbutton in ESAS room w/ 30 sec time delay

Question 10

design basis: provides 2575 gpm to most remote deluge w/ 1000 gpm for hose use. nomial sys pressure is what w/ pumps running?

Answer 10

125# w/ pumps running