High Rise Buildings

Question 1

Fire Protection Features in Highrise

Answer 1

Class 3 standpipe systems

HVAC capable of smoke removal

Question 2

facts about PRVs per NFPA 14^3

Answer 2

When static pressure exceeds 175 psi a PRV should be installed to limit static and residual pressure to no more than 175psi on 2 1/2” discharge

Question 3

Lobby Control Operations

Answer 3

Accountability

Systems Control

Elevator Ops

Stairwell Identification

Evac coordination

Question 4

Where are Preaction Sprinklers found and what will they discharge upon activation

Answer 4

Usually found in IT buildings

Will discharge argon and nitrogen gases to decrease oxygen to put fire out

Question 5

Gases in Preaction Sprinklers

Answer 5

3M Novec 1230

Chemours FM-200

Question 6

Pressure Regulating Devices

Answer 6

NFPA 14^2 designed to reduce, regulate, control, or restrict water pressure includes:

Pressure Restricting Devices

Pressure Reducing Valves

Question 7

5th due engine (high Rise) water supply

Answer 7

Help 3rd due engine establish water supply

Question 8

Reverse stack effect

Answer 8

Outside air is hotter than inside, structure draws air from high and pushes cold air out of lower openings

Question 9

Characteristics of Highrise

Answer 9

Six to Seven stories and higher

(prior to 1976) Steel & Concrete

(After 1976) Fire Resistive construction

Question 10

Year for hydrants to be within 100ft of FDC

Answer 10

1976

Question 11

Pressure Reducing Valves

Answer 11

Reduce downstream pressure in both flowing and non flowing conditions

Can’t be adjusted easily in fireground

One Way Valve

Question 12

Risers in buildings under construction

Answer 12

Two Floors below the top most finished floor

Question 13

3rd Due engine driver (High Rise) water supply

Answer 13

Establish water supply to secondary FDC

Supply ground level standpipe in case of no secondary FDC

Question 14

Additional Alarm Resources

Answer 14

3 engines

1 Truck

1 BC

Deputy/assistant chiefs

Light and Air and other specials

Question 15

1st engine of 2nd alarm

Answer 15

6th due engine

BASE MANAGER

Base refers to parking area for incoming additional alarm apparatus

Park all like vehicles together ensuring clear path of travel

Question 16

Mid Rise Description

Answer 16

Three to Six stories high less than 75ft from lowest FD vehicle access

Question 17

Mid Rise Sprinklers systems NFPA regulation and what are they made of

Answer 17

NFPA 13R

Orange PVC pipes

Question 18

Fire Wall minimum rating (high rise)

Answer 18

2 Hour fire resistance rating

Question 19

Public Address systems

Answer 19

Speakers located in hallways, elevators, stairwells, rooms or tenant spaces exceeding 1000sqft

Question 20

Class 3 Standpipe

Answer 20

2 1/2” diameter and a 1 1/2” reducer

Question 21

Q decking

Answer 21

Composite metal floor decking

Question 22

Advancing preconnect in highrise

Answer 22

Driver must stay at pump panel

Standpipe must still be supplied

Question 23

Fire in Elevator Pit

Answer 23

Elevators equipped with automatic recall will stop at an alternate location

Fire Helmet on ERS will be flashing

Question 24

2nd due engine (highrise) water supply

Answer 24

Establish a water supply

Stretch supply line to FDC.

Charge FDC IF reports of fire and visible smoke or deemed appropriate

Question 25

1st truck highrise positioning

Answer 25

Park side A unless fire is readily identified

Avoid placing ladder directly to window or balcony showing fire unless for rescue

Raise to adjoining unit if fire apt is totally involved

Question 26

Staging in High Rise

Answer 26

2 Floors below confirmed fire floor

Question 27

High Rise Ventilation Tactics

Answer 27

Horizontally through windows

Vertically through stairwells

Use HVAC through out the building

Question 28

Steps for Preferred method for horizontal vent in highrise

Answer 28

Pressurize attack stairwell

Pressurize Fire Floor Hallway

Vent Through Fire Apt

Question 29

Medical Unit Set up in highrise

Answer 29

One Floor below staging to properly evaluate personnel