Basic Firefighting: Forcible Entry

A basic understanding of forcible entry tools and techniques by applying the material in a practical setting. Session Reference: Topic: Basic Firefighting: Forcible Entry Level of Instruction: 1 Time Required: 3 Hours...


g. Alternative method is to drive bar into space above lock and then dive down to destroy locking pins

h. For bottom locks, drive tool under door to displace keeper

i. Hydraulic tools can be used to force apart double doors or raise lock at bottom

j. Quickest way may be to force plate glass window near tempered glass door

k. If tempered glass door must be broken, strike at lower corner of door with pick end of axe

3. Heavy plate-glass doors

a. Treat same as tempered-glass doors

b. Usually has bar across center or lower center of door

c. Better to remove or force lock or enter nearby plate glass window

4. Wooden doors

a. May or may not have cylinder locks

b. Usually has bolts that engage keepers at top or bottom of door or both

c. Double doors can be bolted to each other; pulling or forcing lock does not guarantee entry

d. May have center panels which can be broken out for entry or opening door

B. Commercial Occupancies: Rear

1. Steel doors

a. Before attempting to force, checked for exposed locks or hinges

b. If lock can be seen, drive pry tool between door and frame and force open

c. If hinges exposed, pull hinge pins or drive tool between hinge and door facing

d. Doors with neither lock nor hinges exposed cannot be forced with standard tools

e. Doors may be secured with a steel bar or fox lock

f. Door that cannot be forced can be cut open with power saw

g. Heavy steel door can be opened with battering ram

h. Door with fox lock practically impossible to force - look for alternative entry

i. If door with fox lock must be forced, use explosive charge

2. Roll-up doors

a. Doors opening upward might be locked in several ways

b. Some, usually wood, locked with modified fox lock - open by knocking out panel and reaching in to rotate handle

c. Wooden door might be secured with pins from sides of door to track - door should be pried at bottom

d. Ring on door may be padlocked to ring set into floor - force with tool under door against ring

e. Wood doors can be cut with power saw or axe

f. Metal doors do not usually have built-in locks - can be padlocked to floor or locked into their rails

g. Manually operated doors often locked through raising chain

h. Motorized door rigidly connected to operating mechanism

i. First step in forcing metal doors to pry it up at both sides

j. Force doors locked with pins or through chain by prying

k. If door must be opened, cut hole in door with power saw

3. Light doors

a. In many older buildings, rear doors made of wood or light metal, reinforced with bars or fitted with several locks

b. Main lock should be forced first

c. Additional bolts or clocks can usually be forced with hand tools

d. If door has glass pane without bars, best to remove glass and attempt to open lock from inside

C. Dwellings and Apartments

1. Locked residential structures more easily entered than commercial structures

a. Front and rear doors usually same type and of light construction

b. Often have one or more glass panes

c. Multiple-unit street doors at front often unlocked

d. Lobby door may be secured by electric lock

2. Apartment doors

a. Might have to open individual doors

b. In older buildings, doors made of wood - cylinder locks may have been added

c. Frames of doors usually strong enough to support pry tool

d. In modern buildings, doors made of steel or wood covered with steel - secured with cylinder locks and possibly one or more bolt-type locks

e. In some cases, hydraulic type smoke ejector hanger can be used to force door

f. If door frame constructed of light metal, might not support pry tool

3. Balcony doors

a. Sliding glass with cylinder locks or some bolting arrangement holding at top and bottom

b. Bolts should be forced with available tools

c. If door particularly tough to force, drive pry tool between door and framing

d. Two doors locked to each other can also be opened by driving pry tool between doors

e. Avoid straining glass enough to break it

f. Break glass for entry only for immediate rescue or when glass already stained or damaged by heat or smoke

g. When bar or rod holds sliding section, glass will have to be broken

D. Office Buildings

1. Presents same problems as apartment house units