Chapter 11- LCS Flashcards
LCS is any stream with a flow of ?
300 GPM or more
Three categories of LCS Devices:
- portable or ground base
- engine apparatus based
- elevated
Akron New Yorker:
supplied by (2) 3 1/2” lines , BUT 2 1/2” hose can be used if necessary although the upper end flows will NOT be attainable (does not mention this in tools for Akron)
can be set up remote from pumping apparatus…on the ground or ON THE ROOF of exposure buildings or setbacks
Engine based: Akron ‘new yorker” DECKPIPE :
- called a STANG NOZZLE
- PERMANENTLY affixed to apparatus and supplied by 3 inch pipe from PUMP
- GATE VALVE between LCS and pump
- requires positioning apparatus NEAR fire building
- includes 3 STACKED TIPS
- playpipe(stream shaper )must be left in place
Satellite water uses STANG INTELLIGIANT NOZZLE:
-capable of flows up to 4700 GPM through a 3 1/2” inch tip…other tip sizes are available
AKRON LADDER PIPE NOZZLE (elevated)
- carried by ALL AERIAL LADDERS
- MUST be MANUALLY attached to rungs of aerial FLY SECTION
- controlled by HALYARDS at ground level turntable
- INTERCHANGEABLE TIPS
- playpipe (stream shaper)left in place
- Supplied by 3 1/2” hose —TWO SUPPLY SOURCES ARE RECOMMENDED
- 3” ball valve and 3 inch by 3 inch siamese are carried by ALL AERIAL APPARATUS
*Aerial ladders are also equipped with 2 LENGTHS OF 3 1/2” hose to supply the LADDER PIPE**
What is the most FLEXIBLE type of LCS used by the FDNY ?
AKRON tower ladder basket monitor
- PERMANENTLY affixed to TL
- includes 3 stacked tips
- flows up to 1200 GPM are possible through the 2 inch tip when supplied by (2) 3 1/2” lines
- playpipe (stream shaper) must be left to assure a good quality stream with max reach
- 200-250 Psi is required at the inlet of the tower ladder apparatus for effective operation
- water flow controlled exclusively by SUPPLY PUMPER
T or F…LCS are also carried by FIREBOATS ?
TRUE
Use of LCS can ONLY be ordered by the ?
INCIDENT COMMANDER
-this includes the first arriving engine using its “DECK PIPE” for a quick knockdown or EXPOSURE PROTECTION
IF LCS use is ordered, ALL operating forces within the building MUST be notified and time permitted for their safe withdrawal to UNEXPOSED positions …
Confirmation of their safe withdrawal should be verified by HT or face to face communication with the IC
ADDITIONAL MEASURES…LCS should be quickly SWEPT THROUGH the building WITHOUT stopping at any window or other opening to serve as a warning to any members left in the area of operation
T or F …..At WELL INVOLVED frame buildings , vacants, and taxpayers, TL ops can be anticipated and engine apparatus should position with this in mind….use of the ‘DECKPIPE” should NOT interfere with proper TL positioning for effective use of elevated LCS
TRUE
-all gates and valves used in supplying LCS must be opened and closed slowly
Whenever possible , an ENGINE COMPANY supplying LCS should be dedicated to that task and NOT engaged in supplying handlines
RElief devices must be used when supplying LCC
AN ENGINE COMPANY supplying LCS DURING ILP, must be ?
AUGMENTED ASAP