Fire Protections Flashcards
1
Q
FP Auto Starts
A
AUTO starts Hdr press drops • Jockey Pmp stop -- 157 psig • Jockey Pmp start – 125 psig • Mtr Drvn FP1 – <110 psig • Eng Drvn FP2 – <100 psig • Eng Drvn FP3 – <90 psig
- Deepwell Lead starts 159’ 1”
- Deepwell Lag starts at 158’ 7”
- All stop at 159’ 7”
2
Q
FP Power Supplies
A
• X43-C001, Mtr Drvn FP
4160v Bus 1E
• X43-C003, Jockey FP
1R25-S051via 1R24-S028 via 600 1A
• #1 Deepwell Pmp 600V 2K
• #2 Deepwell Pmp 1R11S044 1C
• Fire pump house general
1R25-S034 via 600 1A if
lost must manually start
diesel fire pumps
• Protectowire, Alison, XL-3, and CXL Systems
Ess Cab 1A
3
Q
FP Trips
A
Mtr Fire Pump C001 • O/L • Undervoltage • LOCA/LOSP-Ld Shed(reset) Eng Fire Pumps C002A/B • Overspeed (ONLY S/D) • 1750 RPM
ALARM ONLY
• Low Oil Press - 15# 20s TD
• High crankcase press
• Low cool water press
4
Q
Eng Pump START Failure
A
30 sec crank, then Stop for short period.
Reattempts Crank On & Off for 1-1.5 min
Cycles batteries also
Reset - Switch to OFF
5
Q
CARDOX Systems
A
CARDOX – wintergreen 13 Ton – Cable Spread or Computer Rooms Man Actuation Only -Man P/B or brk glass and repo lever (Double Shot capacity) 5 Ton – DG bldg AUTO by thermostat or Semi-auto Man P/B (hall) or Man Valve -Hall and Mstr Byp Has CARDOX hose reel Capacity (1 shot to 5 Rm or 2 to 1 Rm)
6
Q
HALON Interaction
A
Serv Bldg Recd vault-abort in printer room, 2 at exit doors
Doc Strg Bldg-
Simulator- 3 abort
Computer Bldg 1st flr- 4 abort
7
Q
Types of Fire Suppression
A
- Deluge-oil sys & fltr trn(man), open head (Isol on Loss of Air)
- Fixed Wtr-xfrmrs, directn heads
- Dry Pipe-outdr sys, air press actuated, melting head
- Wet Pipe-HPCI,RCIC,RcrcMG, E & W Cblwy, melting head
- Preaction Sprinkler- smoke det and melting head - Cable Spreading Room, R/B HVAC,R/B Chillers
- CARDOX
- Halon
