Part I — Administrative

Part II — General Safety Provisions

Part III — Building and Equipment Design Features

Part IV — Special Occupancies and Operations

Part V — Hazardous Materials

Part VI — Referenced Standards

Part VII — Appendices

Heads up: There are no suggested sections in this chapter.
Heads up: There are no amended sections in this chapter.

Appendix O Chief's Regulation No. 4 Resolution No. 723

AMENDMENT
This section has been amended at the state or city level.

Section O101 Scope

AMENDMENT
This section has been amended at the state or city level.
The provisions of this regulation shall govern the testing and repair of central station signaling systems, communication systems, emergency elevator systems, emergency power systems, fire escape assemblies, fire protection assemblies, fire warning systems, smoke control systems, special extinguishing systems, sprinkler systems, and standpipe systems to determine their operating condition.

Section O102 Definitions

AMENDMENT
This section has been amended at the state or city level.
BUILDING CONTROL STATION. That room or area designated as the principal point of annunciation for the fire warning system.

CENTRAL STATION SIGNALING SYSTEM. A fire warning system consisting of electrically operated circuits and equipment which transmit alarms, supervisory, and trouble signals from protected properties to a constantly attended central station where personnel take appropriate action. Central stations are controlled and operated by a firm or organization whose business is the furnishing and maintaining of the supervised fire warning service.

COMMUNICATION SYSTEMS.

Fire Department voice communication system. A two-way sound-powered phone system capable of communication between the building control station and required locations.

Public address system. A one-way system providing communication from the building control station and required locations.

ELEVATORS, AUTOMATIC. Elevators with automatic operation and power operated hoistway doors.

EMERGENCY POWER SYSTEMS. Special electrical wiring and equipment systems which are required to be operational during interruptions of the normal electrical supply to the building, classified as follows:

Emergency systems. The wiring, fixtures, equipment and luminaires in or on a building which are required to be automatically energized from an alternate on-site electrical supply within ten seconds of failure of the normal electrical supply.

Standby systems. The part of the normal system which is required to be automatically transferred to, and be energized from, an alternative on-site electrical supply, within 60 seconds of failure of the normal electrical supply.

FIRE ESCAPE ASSEMBLY. A method of providing emergency egress from a structure.

FIRE PROTECTION ASSEMBLY. The assembly of a fire door, fire window or fire damper, including all required hardware, anchorage, frames, and sills.

FIRE WARNING SYSTEM. A fire protective signaling system of electrical devices and circuits or mechanical devices, installed, arranged, and maintained to form, transmit, and sound signals indicating an emergency requiring immediate action to safeguard life and property from fire.

HIGH-RISE BUILDING, EXISTING. See the City of Los Angeles Fire Code, Chapter 2, Definitions.

HIGH-RISE BUILDING, NEW. See the City of Los Angeles Fire Code, Chapter 2, Definitions.

SMOKE CONTROL SYSTEMS.

Building emergency smoke control. A ventilation system capable of providing exhaust from all specified areas of a building at a rate of not less than six changes of air per hour from any floor and to exhaust directly to the atmosphere without recirculating to other floors of the building.

Mechanically ventilated smokeproof enclosure. An enclosed stairway with vestibules equipped with a ventilation system designed to maintain a smoke-free stairshaft.

Stairshaft ventilation system. An enclosed stairway equipped with a ventilation system designed to maintain a uniform air velocity discharging to the atmosphere while maintaining a positive pressure in the stairshaft relative to the adjacent areas during fire conditions.

SPECIAL EXTINGUISHING SYSTEM. An approved system of devices and equipment which automatically detects a fire and discharges an approved fire extinguishing agent onto or in the area of a fire.

SPRINKLER SYSTEM, AUTOMATIC. An approved system of devices and equipment which automatically detects a fire and discharges water onto or in the area of a fire.

STANDPIPE SYSTEMS. An arrangement of piping, valves, hose outlets, and allied equipment installed in a building or structure with outlets located in such a manner that water can be discharged through hose and nozzles. Standpipe systems are classified as follows:

Class I (Dry). For use by the fire department and those trained in handling heavy hose streams (21/2-inch hose)

Class II (Wet). For use by the building occupant until the arrival of the fire department (11/2-inch hose).

Class III (Combination). For use by either the fire department and those trained in handling heavy hose streams (21/2-inch hose) or by the building occupants (11/2-inch hose).

Combines system. The water piping serves both 21/2-inch outlets for fire department use and supplies water for the automatic sprinkler system.

Section O103 General Requirements

AMENDMENT
This section has been amended at the state or city level.

O103.1 Testing Intervals

AMENDMENT
This section has been amended at the state or city level.

O103.1.1 One Year

AMENDMENT
This section has been amended at the state or city level.
Tests of the following systems or devices shall be conducted at least once each year:

O103.1.1.1 All Buildings

AMENDMENT
This section has been amended at the state or city level.

O103.1.1.2 Building Over 75 Feet in Height (High-Rise Buildings)

AMENDMENT
This section has been amended at the state or city level.
  1. Communication systems.
  2. Emergency power.
  3. Smoke control systems.
  4. Fire protection assemblies, see Sections O104.6.4, O104.6.10 and O104.6.11.

O103.1.2 Fire Years

AMENDMENT
This section has been amended at the state or city level.
Tests of the following systems or devices shall be conducted at least once every five years.

O103.1.2.1 All Buildings

AMENDMENT
This section has been amended at the state or city level.
  1. Fire protection assemblies.
  2. Refrigerant discharge systems.
  3. Special extinguishing systems.
  4. Sprinkler systems, automatic.
  5. Standpipe systems.

O103.1.2.2 Building Not Over 75 Feet in Height

AMENDMENT
This section has been amended at the state or city level.
  1. Communication systems.
  2. Emergency power.
  3. Smoke control systems.

O103.1.3 Tests at Shorter Intervals

AMENDMENT
This section has been amended at the state or city level.
Tests at shorter intervals may be required when an inspection by the chief indicates there is substantial reason to believe that the system or device would fail to operate properly in an emergency.

O103.2 Fire Department Notification

AMENDMENT
This section has been amended at the state or city level.

O103.2.1

AMENDMENT
This section has been amended at the state or city level.
The Chief shall be notified by the concerned building owner or his agent at least two working days in advance of the performance of ANY required test in order that the Chief or his representative may observe the test.

O103.2.2

AMENDMENT
This section has been amended at the state or city level.
At the conclusion of each test, the Chief shall be notified within 24 hours of any fire protection equipment that was determined to be inoperable.

O103.2.3

AMENDMENT
This section has been amended at the state or city level.
When it is determined that the fire protection equipment is operable, the test person shall attest to its condition to the Chief using the approved Fire Department form.

O103.3 General Test Precautions

AMENDMENT
This section has been amended at the state or city level.

O103.3.1 Notification

AMENDMENT
This section has been amended at the state or city level.

O103.3.1.1

AMENDMENT
This section has been amended at the state or city level.
Notify concerned agencies prior to the testing of supervised systems and at the conclusion of the testing.

O103.3.1.2

AMENDMENT
This section has been amended at the state or city level.
Notify building occupants prior to testing systems or devices which may cause concern to such occupants.

O103.3.2 Systems

AMENDMENT
This section has been amended at the state or city level.
Tests of systems shall be conducted according to the approved design standard for the particular system as may be necessary to carry out the purpose and intent of this regulation.

O103.3.3 Fan Motors

AMENDMENT
This section has been amended at the state or city level.
When testing devices that will activate fans and emergency smoke control systems, ascertain proper operation by actuation of each type of device in each zone. Disconnect power to fans and continue tests. Constant on/off operation of fans could damage motors. At conclusion of tests, re-energize fan motors.

O103.3.4 Electrical Thermal Links

AMENDMENT
This section has been amended at the state or city level.
Test electrical thermal links for continuity only.

O103.4 Repair

AMENDMENT
This section has been amended at the state or city level.
When it is determined that any fire protection equipment is inoperable or defective, the owner or his agent shall commence repair of the deficiencies forthwith. Such repair shall be completed as soon as possible. At the completion of repair, the system or device shall be retested to determine that it is fully operable.

O103.5 Fire Hose Connections

AMENDMENT
This section has been amended at the state or city level.

O103.5.1

AMENDMENT
This section has been amended at the state or city level.
All fire hose connections shall be equipped with American National Standard hose coupling screw threads as specified in NFPA No. 1963, "Standard for Screw Threads and Gaskets for Fire Hose Connections — 1979," unless approved by the Chief.

O103.5.2

AMENDMENT
This section has been amended at the state or city level.
All fire department inlets and outlets shall be equipped with approved plugs or caps.

Section O104 General Test Procedures

AMENDMENT
This section has been amended at the state or city level.

O104.1 Central Station Signaling Systems

AMENDMENT
This section has been amended at the state or city level.
Test fire warning equipment which is supervised from an approved central station as follows:

O104.1.1

AMENDMENT
This section has been amended at the state or city level.
Actuate each water flow alarm device by use of the inspector's test valve. Maintain a chronology of such tests.

O104.1.2

AMENDMENT
This section has been amended at the state or city level.
Actuate all other alarm transmission and supervisory switches and transmitters. Maintain a chronology of such tests.

O104.1.3

AMENDMENT
This section has been amended at the state or city level.
At least conclusion, determine that central station properly supervised all test signals.

O104.2 Communication Systems

AMENDMENT
This section has been amended at the state or city level.

O104.2.1 Public Address System

AMENDMENT
This section has been amended at the state or city level.
Check system reliability by testing clarity of voice communication from the building control station to all required locations in the building.

O104.2.2 Fire Department Voice Communication System

AMENDMENT
This section has been amended at the state or city level.
Check system reliability as follows.

O104.2.2.1

AMENDMENT
This section has been amended at the state or city level.
Determine that a minimum of six approved sound power phone sets are available at the building control station.

O104.2.2.2

AMENDMENT
This section has been amended at the state or city level.
Test clarity of voice communication between floors and from the building control station to all required locations in the building, including external locations.

O104.2.3 Required Public Telephone

AMENDMENT
This section has been amended at the state or city level.
To be located adjacent to or in the building control station. Check as follows:

O104.2.3.1

AMENDMENT
This section has been amended at the state or city level.
Determine that the Fire Department telephone number is posted.

O104.2.3.2

AMENDMENT
This section has been amended at the state or city level.
Determine that the telephone is operational.

O104.3 Elevators, Automatic

AMENDMENT
This section has been amended at the state or city level.
Test shall include all features of Phases I and II of fire emergency service.

O104.3.1 Phase I (Recall)

AMENDMENT
This section has been amended at the state or city level.

O104.3.1.1 Elevators Lobby Smoke Detectors

AMENDMENT
This section has been amended at the state or city level.

O104.3.1.1.1

AMENDMENT
This section has been amended at the state or city level.
Determine that all landings served by each elevator or each group of elevators, except the designated main floor, are approved with smoke detectors.

O104.3.1.1.2 Recall Function

AMENDMENT
This section has been amended at the state or city level.
Actuate the elevator lobby smoke detector on each landing. Check for function and interconnection of circuit within the alarm system, if provided.

O104.3.1.1.2.1

AMENDMENT
This section has been amended at the state or city level.
Determine that each elevator car or each group of elevator cars return nonstop to the designated main floor and remain there with the doors open.

O104.3.1.1.2.2

AMENDMENT
This section has been amended at the state or city level.
Determine that elevator door retraction safety devices (except mechanical safety edges) are immediately deactivated.

O104.3.1.1.2.3

AMENDMENT
This section has been amended at the state or city level.
Determine that the "emergency stop switch" in each elevator car is immediately rendered inoperative if the car is in motion or, if the car is at a landing at the time the recall is activated, the "emergency stop switch" becomes inoperative as soon as the elevator doors are closed and the car begins to move.

O104.3.1.1.2.4

AMENDMENT
This section has been amended at the state or city level.
Determine that elevators are not subject to calls from other sources such as corridor call buttons.

O104.3.1.2 Designated Main Floor Switch

AMENDMENT
This section has been amended at the state or city level.

O104.3.1.2.1

AMENDMENT
This section has been amended at the state or city level.
Determine that the proper designated main floor switch is provided for each elevator or each group of elevators. The designated main floor switch shall be a three-position ("ON," "OFF" and "BYPASS") key operated switch. The key shall not be removable in the "BYPASS" positions.

Exception: Where there are no smoke detectors to bypass, a two-position ("ON" and "OFF") key operated switch shall be provided.

O104.3.1.2.2

AMENDMENT
This section has been amended at the state or city level.
Determine that a key to operate the designated main floor switch is readily available for fire fighter use.

O104.3.1.2.3

AMENDMENT
This section has been amended at the state or city level.
Operate the designated main floor switch, determine that the recall function is the same as described above in Section O104.3.1.1.2 Recall function, except the alarm system, if provided, shall not activate.

O104.3.2 Phase II (Override)

AMENDMENT
This section has been amended at the state or city level.

O104.3.2.1

AMENDMENT
This section has been amended at the state or city level.
Determine that the proper in-car switch is provided in each elevator car. The in-car switch shall be a two-position key operated switch, keyed identically with the designated main floor switch. The key shall not be removable in the "ON" position.

O104.3.2.2

AMENDMENT
This section has been amended at the state or city level.
Determine that keys are readily available for firefighter operation of the override function. There shall be a separate key for each elevator car in addition to the key for the designated main floor switch.

O104.3.2.3

AMENDMENT
This section has been amended at the state or city level.
Determine that the in-car switch in each elevator car is operative only when the designated main floor switch is in the "ON" position or when an elevator lobby smoke detector has been actuated.

O104.3.2.4 Override Function

AMENDMENT
This section has been amended at the state or city level.
Operate the designated main floor switch, then operate the in-car switch of each elevator car. Test the override function of each car as follows:

O104.3.2.4.1

AMENDMENT
This section has been amended at the state or city level.
Determine that each elevator car is operable only by a person in that car. The car shall not respond to a call from any other source.

O104.3.2.4.2

AMENDMENT
This section has been amended at the state or city level.
Actuate a floor selection button in a normal manner. Close the doors by continuous pressure on the "door close" button as provided, close the doors by continuous pressure on the floor selection button. If the button which closes the doors is released prior to the doors reaching the fully closed position, the doors shall automatically reopen.

O104.3.2.4.3

AMENDMENT
This section has been amended at the state or city level.
Determine that, if multiple floor selection buttons have been actuated, the elevator car will stop at the first of the selected floors that it reaches. At that time all other selections shall cancel. The doors shall remain closed.

O104.3.2.4.4

AMENDMENT
This section has been amended at the state or city level.
Open the doors by continuous pressure on the "door open" button. If the button is released prior to the doors reaching the fully open position, the doors shall promptly and automatically reclose.

O104.3.2.4.5

AMENDMENT
This section has been amended at the state or city level.
Where more than one operating panel is provided in an elevator car, determine that each panel will correctly operate the override function.

O104.3.2.4.6

AMENDMENT
This section has been amended at the state or city level.
In elevators where key switches or programming characteristics are provided to prevent the elevator from stopping at one or more landings while in normal service, determine that fire emergency service overrides such features.

O104.3.2.4.7

AMENDMENT
This section has been amended at the state or city level.
Determine that the "emergency stop switch" is operative during the time the elevator is in the override function.

O104.3.3 Elevator Status Indicator

AMENDMENT
This section has been amended at the state or city level.
Check for proper function of the elevator status indicator.

O104.4 Emergency Power Systems

AMENDMENT
This section has been amended at the state or city level.

O104.4.1

AMENDMENT
This section has been amended at the state or city level.
Use test switch for load transfer from normal power to emergency power.

O104.4.2

AMENDMENT
This section has been amended at the state or city level.
Determine load transfers in required time.

O104.4.2.1

AMENDMENT
This section has been amended at the state or city level.
Emergency power requirement is 10 seconds.

O104.4.2.2

AMENDMENT
This section has been amended at the state or city level.
Standby power requirement is 60 seconds.

O104.4.3

AMENDMENT
This section has been amended at the state or city level.
Determine that emergency current supplies power to required systems and equipment.

O104.5 Fire Escape Assemblies

AMENDMENT
This section has been amended at the state or city level.

O104.5.1

AMENDMENT
This section has been amended at the state or city level.
Determine that fire escape stairs, landings, and ladders are in good repair.

O104.5.2

AMENDMENT
This section has been amended at the state or city level.
Operate the ladder release mechanism. The release mechanism must operate easily. The ladder must travel to the ground without hesitation. It must be stable and firm in its position after reaching the ground.

O104.6 Fire Protection Assemblies

AMENDMENT
This section has been amended at the state or city level.

O104.6.1 Swinging Fire Door

AMENDMENT
This section has been amended at the state or city level.
Release the closing device by unfastening the most distant fusible link. The door must close the opening completely and latch.

O104.6.2 Sliding Doors on an Inclined Track

AMENDMENT
This section has been amended at the state or city level.
Unfasten the most distant fusible link to release the suspended weight to allow the door to travel down the inclined track to the closed position. The door must close completely and be held firmly in place by the binders. Sliding doors on an inclined track in pairs must butt together without gaps or excessive offset from each other.

O104.6.3 Sliding Doors on a Level Track

AMENDMENT
This section has been amended at the state or city level.
Unfasten the most distant fusible link supporting the closing weight. As the closing weight drops, the door must close the opening completely.

O104.6.4 Stairshaft Door Locks

AMENDMENT
This section has been amended at the state or city level.
Determine that lock releases when:
  1. Building loses electrical power.
  2. Any fire warning signaling system initiating device is actuated.
  3. Initiated manually from building control station.

O104.6.5 Telescoping Vertically Sliding Doors

AMENDMENT
This section has been amended at the state or city level.
Unfasten the small counter weight. The large counterweight must operate the door, closing the opening completely.

O104.6.6 Vertical Sliding Doors

AMENDMENT
This section has been amended at the state or city level.
Unfasten the fusible link which supports the suspended weight. The door must close the opening completely.

O104.6.7 Rolling Steel Doors

AMENDMENT
This section has been amended at the state or city level.
Unfasten the restraining cable or fusible link and drop the restraining trigger quickly. The door must close the opening completely.

NOTE: These assemblies must be tested and reset by persons qualified to do work on rolling steel fire doors.

O104.6.8 Ventilation and Air Duct Dampers

AMENDMENT
This section has been amended at the state or city level.
Disconnect the fusible link or actuating device to the damper control. The damper must automatically travel to a position which closes the opening completely.

O104.6.9 Laundry and Rubbish Chute Doors

AMENDMENT
This section has been amended at the state or city level.
Operate the door assemblies. The doors must close either by means of counterbalance or spring load mechanism.

O104.6.10 Magnetic Door Holders

AMENDMENT
This section has been amended at the state or city level.
Ascertain that the detectors will activate and release fire protection assemblies to which they are connected.

O104.6.11 Dumbwaiter Doors, Access Doors, and Fire Windows

AMENDMENT
This section has been amended at the state or city level.
Determine that the automatic operation of these assemblies will function by releasing the weights or heatactuated device. Electrically operated devices will be actuated by opening or closing the contacts, whichever is applicable. Determine that the opening is entirely closed.

O104.6.12 Fire Shutters

AMENDMENT
This section has been amended at the state or city level.
When these assemblies are automatic or self-closing, determine that they close the opening completely when activated.

O104.7 Fire Warning Systems

AMENDMENT
This section has been amended at the state or city level.

O104.7.1 Operating Instructions

AMENDMENT
This section has been amended at the state or city level.
Approved operating instructions shall be posted in or adjacent to the building control station.

O104.7.2 Trouble Signal

AMENDMENT
This section has been amended at the state or city level.
Disconnect the fire alarm operating power; the trouble audible signal and trouble light or lights must operate. Operate the trouble signal silencing switch. Restore power and trouble lights switch to normal position. If a ring back system is provided, the trouble light switch must be reset.

O104.7.3 Supervision of Initiating Device Circuits

AMENDMENT
This section has been amended at the state or city level.
Disconnect a manual pull station, heat detector, or smoke detector. Trouble audible signal and light or lights on fire alarm annunciator panel must operate.

O104.7.4 Supervision of Audible Fire Alarm Device Circuits

AMENDMENT
This section has been amended at the state or city level.
Disconnect an audible fire alarm device. Trouble audible signal and light or lights on fire alarm annunciator panel must operate.

O104.7.5 Initiating Device Function Test

AMENDMENT
This section has been amended at the state or city level.
Test all heat detectors, smoke detectors, and manual pull stations. Actuation of initiating device shall indicate on the fire alarm annunciator panel, if provided, the type of device and zone of actuation. Actuation of initiating device shall also sound a minimum 10 db above ambient noise level or clearly audible fire alarm signal.

O104.8 Refrigerant Discharge Systems

AMENDMENT
This section has been amended at the state or city level.

O104.8.1 Systems Providing for Manual Discharge of Refrigerant to the Atmosphere

AMENDMENT
This section has been amended at the state or city level.

O104.8.1.1

AMENDMENT
This section has been amended at the state or city level.
Determine that the emergency refrigerant control box is plainly marked, "For Fire Department only (refrigerant) control valve."

O104.8.1.2

AMENDMENT
This section has been amended at the state or city level.
Determine that the high- and low-pressure valves in box are indicated.

O104.8.1.3

AMENDMENT
This section has been amended at the state or city level.
Operate the high- and low-pressure valves to assess proper working condition.

O104.8.2.1

AMENDMENT
This section has been amended at the state or city level.
Determine that the emergency refrigerant control box and valves are properly labeled in accordance with Sections O104.8.1.1 and O104.8.1.2.

O104.8.2.2

AMENDMENT
This section has been amended at the state or city level.
With water flowing through a 21/2-inch hose to fire department diffuser, open the high- and low-pressure valves to assess proper working condition.

O104.9 Smoke Control Systems

AMENDMENT
This section has been amended at the state or city level.

O104.9.1 Building Emergency Smoke Control

AMENDMENT
This section has been amended at the state or city level.

O104.9.1.1 Smoke Removal—Building Air-Handling Equipment

AMENDMENT
This section has been amended at the state or city level.
Check system reliability as follows:

O104.9.1.1.1

AMENDMENT
This section has been amended at the state or city level.
Actuate all devices that operate fans, blowers, and smoke control dampers to determine proper function of the system.

O104.9.1.1.2

AMENDMENT
This section has been amended at the state or city level.
When fans, blowers, and smoke control dampers are interconnected to the building control station, determine that remote control from that location is operable and proper status is indicated on the remote control panel.

O104.9.1.1.3

AMENDMENT
This section has been amended at the state or city level.
Perform a visual inspection of all fans, blowers, and smoke control dampers to determine proper operation in smoke removal/control mode.

O104.9.1.2 Smoke Removal Tempered Glass or Openable Windows

AMENDMENT
This section has been amended at the state or city level.

O104.9.1.2.1

AMENDMENT
This section has been amended at the state or city level.
Determine that windows are accessible.

O104.9.1.2.2

AMENDMENT
This section has been amended at the state or city level.
Determine that tempered glass, if provided, is clearly identified with a 2-inch minimum diameter disc of luminous and/or reflective material with a word "Tempered," permanently applied to one of the lower inside corners, either directly on the glass or on the frame.

O104.9.2 Mechanically Ventilated Smokeproof Enclosures

AMENDMENT
This section has been amended at the state or city level.

O104.9.2.1 Doors

AMENDMENT
This section has been amended at the state or city level.
Open all doors in the system and ascertain if they are held open by smoke actuated holdopen devices.

O104.9.2.2 Detectors

AMENDMENT
This section has been amended at the state or city level.
Actuate the system smoke detectors on each floor and determine the following.

O104.9.2.3 Performance Test, Vestibule

AMENDMENT
This section has been amended at the state or city level.
Use this procedure:

O104.9.2.3.1

AMENDMENT
This section has been amended at the state or city level.

O104.9.2.3.2

AMENDMENT
This section has been amended at the state or city level.
On any three consecutive floors, open the doors from the vestibule to the stairshaft.

O104.9.2.3.3

AMENDMENT
This section has been amended at the state or city level.
Determine that the system meets the following requirements:

O104.9.2.3.3.1

AMENDMENT
This section has been amended at the state or city level.
2500 cfm minimum flow at the stairshaft exhaust.

O104.9.2.3.3.2

AMENDMENT
This section has been amended at the state or city level.
The cfm flow from the exhaust of each of the three vestibules (2500 cfm minimum per vestibule with all three flowing simultaneously is required).

O104.9.2.4 Performance Test, Stairshaft

AMENDMENT
This section has been amended at the state or city level.
A minimum positive pressure differential of .05-inch water column must show in the stairshaft over the building pressure on each test floor.

O104.9.2.4.1

AMENDMENT
This section has been amended at the state or city level.
With the system operating and all doors closed, measure the stairshaft static pressure at three floors located in the top, center, and bottom thirds of the stairshaft. This pressure is to be measured between the stairshaft and hallway, at the floors selected, with the comfort air conditioning turned off.

O104.9.2.4.2

AMENDMENT
This section has been amended at the state or city level.
Determine that a positive pressure differential of at least .05-inch water column shows in the stairshaft over the building pressure on each test floor.

O104.9.3 Stairshaft Ventilation System

AMENDMENT
This section has been amended at the state or city level.
Activate the system and determine that the system has an air velocity within each enclosed stairshaft of not less than 50 feet per minute while maintaining a positive pressure (not to exceed 25 lb. force on an interior door) relative to the adjacent areas and discharging this air to the atmosphere.

O104.10 Special Extinguishing Systems

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as indicated in the City of Los Angeles Fire Code, Chapter 9.

O104.11 Sprinkler Systems, Automatic

AMENDMENT
This section has been amended at the state or city level.

O104.11.1 Inlets

AMENDMENT
This section has been amended at the state or city level.
Determine that proper inlet connections have been provided and are in operable condition.

O104.11.2 Flush of Fire Department Inlet Connection and Piping

AMENDMENT
This section has been amended at the state or city level.
Use one of the following three methods to remove obstructions and/or debris from the Fire Department inlet connection and piping:

O104.11.2.1 Back Flush

AMENDMENT
This section has been amended at the state or city level.

O104.11.2.1.1

AMENDMENT
This section has been amended at the state or city level.
With the main system shut-off valve closed and piping to the Fire Department inlet drained, remove or block open the clapper of the check valve in the inlet piping.

O104.11.2.1.2

AMENDMENT
This section has been amended at the state or city level.
Flow adequate water from the main system shut-off to the Fire Department inlet to assure that all debris is cleared from inlet piping, then restore the system.

O104.11.2.2 Forward Flush With In-Line Screen

AMENDMENT
This section has been amended at the state or city level.

O104.11.2.2.1

AMENDMENT
This section has been amended at the state or city level.
With the main shut-off valve closed and the piping to the fire department inlet drained, install a temporary in-line screen at the check valve in the inlet piping. The screen shall be capable of preventing any debris in the dry piping from entering the system.

O104.11.2.2.2

AMENDMENT
This section has been amended at the state or city level.
Flow adequate water through inlets to assure that all debris reaches in-line screen.

O104.11.2.2.3

AMENDMENT
This section has been amended at the state or city level.
Remove debris and in-line screen from piping, then restore system.

O104.11.2.3 Forward Flush With 2-Inch Gate Valve Adjacent to Check Valve

AMENDMENT
This section has been amended at the state or city level.

O104.11.2.3.1

AMENDMENT
This section has been amended at the state or city level.
If not already provided, install a 2-inch gate valve on the bottom of dry Fire Department inlet piping. Provide for safe disposal of water discharging from the gate valve during piping flush.

O104.11.2.3.2

AMENDMENT
This section has been amended at the state or city level.
With the main system shut-off valve closed and the piping to the fire department inlet drained, block the clapper of the check valve in the inlet piping in the closed position to prevent water/debris from entering the system.

O104.11.2.3.3

AMENDMENT
This section has been amended at the state or city level.
Open the 2-inch gate valve. Flow adequate water through the inlet to assure that all debris reaches the 2-inch gate valve.

O104.11.2.3.4

AMENDMENT
This section has been amended at the state or city level.
Disassemble the check valve to remove debris, then restore the system.

O104.11.3 Flow Test

AMENDMENT
This section has been amended at the state or city level.
Fully open the main drain valve. Note the pressure gauge reading before and after the valve is opened. This will indicate closed valves or obstructions in the water supply lines.

O104.11.4 Gauge Tests

AMENDMENT
This section has been amended at the state or city level.
Connect a test gauge at the test gauge opening to determine the reliability of existing gauges.

O104.11.5 On-Site Water Supply

AMENDMENT
This section has been amended at the state or city level.

O104.11.5.1

AMENDMENT
This section has been amended at the state or city level.
Determine that filling for on-site water supply, if provided, operates when a flow test is conducted.

O104.11.5.2

AMENDMENT
This section has been amended at the state or city level.
Determine that air pressure and/or water supply gauges, if provided, are in proper working condition.

O104.11.6 Operation Test

AMENDMENT
This section has been amended at the state or city level.
Open the inspector's test valve at the topmost or most distant location from the main control valve in the system. The alarm must sound within 90 seconds.

O104.11.7 Valves

AMENDMENT
This section has been amended at the state or city level.
Operate post indicator valves, underground gate valves, and OS & Y valves to determine that they are in good operating condition and do not leak.

O104.11.8 Sprinkler Systems Other Than Wet

AMENDMENT
This section has been amended at the state or city level.
Automatic sprinkler systems, other than wet systems, shall have their water control valves and their automatic and manual tripping means tested as required by the Chief.

O104.12 Standpipe Systems

AMENDMENT
This section has been amended at the state or city level.

O104.12.1 Class I (Dry) Standpipes

AMENDMENT
This section has been amended at the state or city level.

O104.12.1.1 Inlets

AMENDMENT
This section has been amended at the state or city level.
Determine that proper inlet connections have been provided and are in operable condition.

O104.12.1.2 Air Test

AMENDMENT
This section has been amended at the state or city level.
Air test the system at 25 psi to determine if the system leaks. This is to avoid water damage to the building if piping has been damaged or disconnected.

O104.12.1.3 Hydrostatic Test

AMENDMENT
This section has been amended at the state or city level.
Fill the system completely with water and note the static pressure (head) on a test gauge installed on the lowest inlet connection. Hydrostatically test the system at a pressure 50 psi greater than the head pressure, but in no case less than 150 psi.

O104.12.1.4 Flow Test

AMENDMENT
This section has been amended at the state or city level.
Flow 100 gpm of water through the standpipe system to the roof outlet. Install a test gauge at the inlet being used to measure the inlet pressure. The maximum allowable pressure loss within the system due to friction shall be 15 psi. Friction loss shall be determined by subtracting the static pressure (head) and outlet pressure from the inlet pressure while 100 gpm is flowing.

O104.12.1.5 Outlets

AMENDMENT
This section has been amended at the state or city level.
Operate each outlet valve in the system to determine that it will function properly.

O104.12.2 Class II (Wet) Standpipes

AMENDMENT
This section has been amended at the state or city level.

O104.12.2.1 Flow Test

AMENDMENT
This section has been amended at the state or city level.
Determine that the system and its water supply will meet one of the following standards according to the date of its installation. Test gauges shall be used to measure residual pressures and a pitot gauge or approved flow meter shall be used to measure water flow quantities. The required water flow must be maintained for at least 30 seconds from systems supplied by street mains or gravity tanks and at least 2 minutes from systems supplied by booster pumps or pressure tanks.

O104.12.2.1.1 Systems Installed Prior to 1948

AMENDMENT
This section has been amended at the state or city level.
Systems installed prior to 1948 shall have residual pressures of not less than 8 psi at the top most outlet on each riser when 20 gpm is flowing from that outlet.

O104.12.2.1.2 Systems Installed From 1948 to 1959, Inclusive

AMENDMENT
This section has been amended at the state or city level.
Systems installed from 1948 to 1959, inclusive, shall have residual pressures of not less than 12 psi at the topmost outlet on each riser when 35 gpm is flowing from that outlet.

O104.12.2.1.3 Systems Installed From 1960 to December 17, 1970

AMENDMENT
This section has been amended at the state or city level.
Systems installed from 1960 to December 17, 1970 shall have residual pressures of not less than 15 psi at the topmost outlet on each riser when 35 gpm is flowing from that outlet.

O104.12.2.1.4 Systems Installed After December 17, 1970

AMENDMENT
This section has been amended at the state or city level.
Systems installed after December 19, 1970 shall have residual pressures of not less than 30 psi at the topmost outlet on each riser when 35 gpm is flowing from each of two risers simultaneously.

O104.12.2.2 On-Site Water Supply

AMENDMENT
This section has been amended at the state or city level.

O104.12.2.2.1

AMENDMENT
This section has been amended at the state or city level.
Determine that filling for on-site water supply, if provided, operates when flow test is conducted.

O104.12.2.2.2

AMENDMENT
This section has been amended at the state or city level.
Determine that air pressure and/or water supply gauges, if provided, are in proper working condition.

O104.12.2.3 Outlets

AMENDMENT
This section has been amended at the state or city level.

O104.12.2.3.1

AMENDMENT
This section has been amended at the state or city level.
Check each outlet for signs of corrosion and leakage.

O104.12.2.3.2

AMENDMENT
This section has been amended at the state or city level.
Check for the installation of orifice plates at outlets where the residual pressure will exceed 70 psi.

O104.12.2.3.3

AMENDMENT
This section has been amended at the state or city level.
Flow water from each outlet in the system in a manner that will indicate that the valves are fully operable and that there is water pressure at that outlet.

O104.12.2.4 Hose

AMENDMENT
This section has been amended at the state or city level.
Remove the hose from each outlet. Examine the full length of the hose section for mildew, cuts, abrasions, and other deterioration. Check hose couplings, gaskets, and nozzle for damage and obstructions.

O104.12.3 Class III (Combination) Standpipes

AMENDMENT
This section has been amended at the state or city level.

O104.12.3.1 Inlets

AMENDMENT
This section has been amended at the state or city level.
Determine that proper inlet connections have been provided and are in operable condition.

O104.12.3.2 Pump Test

AMENDMENT
This section has been amended at the state or city level.

O104.12.3.2.1

AMENDMENT
This section has been amended at the state or city level.
Determine that the fire pump starts automatically by flowing water from a Fire Department outlet.

O104.12.3.2.2

AMENDMENT
This section has been amended at the state or city level.
Operate the fire pump for 7 minutes with all discharge Fire Department outlets in the closed position except for a minimum flow of water to ensure proper pump cooling.

O104.12.3.2.3

AMENDMENT
This section has been amended at the state or city level.
After the fire pump has been operating for 7 minutes, open Fire Department test outlets. Operate the pump at 150 percent of the manufacturer's listing rating, at a pressure not less than 65 percent of its rated pressure for a minimum of 3 minutes.

O104.12.3.2.4

AMENDMENT
This section has been amended at the state or city level.
Where the water supply is from public mains, determine that the test does not draw the residual pressure at the pump below 20 psi.

O104.12.3.3 Flow Test

AMENDMENT
This section has been amended at the state or city level.
Flow 500 gpm through each riser from the uppermost Fire Department outlets. The system shall maintain a residual pressure of 65 psi at the level of that Fire Department outlet. Test gauges shall be used to measure residual pressures and a pitot gauge or approved flow meter used to measure water flow quantities.

O104.12.3.4 On-Site Water Supply

AMENDMENT
This section has been amended at the state or city level.

O104.12.3.4.1

AMENDMENT
This section has been amended at the state or city level.
Determine that filling for on-site water supply, if provided, operates when flow test is conducted.

O104.12.3.4.2

AMENDMENT
This section has been amended at the state or city level.
Determine that air pressure and/or water supply gauges, if provided, are in proper working condition.

O104.12.3.5 Fire Department Outlets

AMENDMENT
This section has been amended at the state or city level.

O104.12.3.5.1

AMENDMENT
This section has been amended at the state or city level.
Check each Fire Department outlet for signs of corrosion and leakage.

O104.12.3.5.2

AMENDMENT
This section has been amended at the state or city level.
Check for the installation of orifice plates at Fire Department outlets where the residual pressure will exceed 70 psi.

O104.12.3.5.3

AMENDMENT
This section has been amended at the state or city level.
Flow water from each Fire Department outlet in the system in a manner that will indicate that the valves are fully operable and that there is water pressure at that outlet.

O104.12.3.5.4

AMENDMENT
This section has been amended at the state or city level.
Check automatic drip connections, if provided, for proper function.

O104.12.3.6 Hose

AMENDMENT
This section has been amended at the state or city level.
Remove hose, if provided, from the Fire Department outlet. Examine the full length of hose section for mildew, cuts, abrasions, and other deterioration. Check hose couplings, gaskets, and nozzle for damage and obstructions.

O104.12.3.7 Flush of Fire Department Inlet Connection and Piping

AMENDMENT
This section has been amended at the state or city level.
Follow automatic sprinkler test procedure as stated in Section O104.12.11.2.

O104.12.4 Combined Standpipe Systems

AMENDMENT
This section has been amended at the state or city level.

O104.12.4.1 Inlets

AMENDMENT
This section has been amended at the state or city level.
Determine that proper inlet connections have been provided and are in operable condition.

O104.12.4.2 Fire Pump Test

AMENDMENT
This section has been amended at the state or city level.
Follow Class III standpipe test procedure as stated in Section O104.12.3.2.

O104.12.4.3 Flow Test

AMENDMENT
This section has been amended at the state or city level.
Follow Class III standpipe test procedure as stated in Section O104.12.3.3.

O104.12.4.4 On-Site Water Supply

AMENDMENT
This section has been amended at the state or city level.
Follow Class III standpipe test procedure as stated in Section O104.12.3.4.

O104.12.4.5 Fire Department Outlets

AMENDMENT
This section has been amended at the state or city level.
Follow Class III standpipe test procedure as stated in Section O104.12.3.5.

O104.12.4.6 Flush of Fire Department Inlet Connection and Piping

AMENDMENT
This section has been amended at the state or city level.
Follow automatic sprinkler test procedure as stated in Section O104.11.2.

Section O105 Test Procedures for Buildings Over 75 Feet in Height (Existing)

AMENDMENT
This section has been amended at the state or city level.

O105.1 General

AMENDMENT
This section has been amended at the state or city level.

O105.1.1

AMENDMENT
This section has been amended at the state or city level.
The provisions in this section shall govern the testing of certain fire warning systems and devices when subject to the provisions of California Administrative Code, Title 24, Chapter 2-1733, Sections 2-1733 through 2-1747, inclusive, in effect in 1984.

O105.1.2

AMENDMENT
This section has been amended at the state or city level.
Tests of systems shall be conducted according to the approved design standard for the particular system as may be necessary to carry out the purpose and intent of this regulation.

O105.1.3

AMENDMENT
This section has been amended at the state or city level.
For testing of systems and devices not listed in this section, follow test procedures as stated in Section O104. Such systems and devices shall be tested at intervals as determined in Sections O103.1.1 and O103.1.3.

O105.2 Communication Systems

AMENDMENT
This section has been amended at the state or city level.

O105.2.1

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Section 104.2.

O105.2.2 Additional Requirements

AMENDMENT
This section has been amended at the state or city level.

O105.2.2.1

AMENDMENT
This section has been amended at the state or city level.
Fire Department voice communication system shall be capable of communication between the building control station and the following locations:
  1. Elevators.
  2. Elevator lobbies.
  3. In every enclosed exit stairway at each level.
  4. At each exterior location where the stairshaft exits to a public way.

O105.2.2.2

AMENDMENT
This section has been amended at the state or city level.
A public address system shall provide communication from the building control station to the following locations:
  1. Elevators.
  2. Elevator lobbies.
  3. Corridors.
  4. Stairways.
  5. Rooms or areas with an occupant load of 50 persons or more.
  6. Every dwelling unit or guest room of hotel and apartment buildings.

O105.3 Emergency Power Systems

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Section O104.4.

O105.4 Fire Protection Assemblies

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Section O104.6.

O105.5 Fire Warning Systems

AMENDMENT
This section has been amended at the state or city level.

O105.5.1

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Sections O104.7.1, O104.7.2, O104.7.3, and O104.7.5.

O105.5.2 Additional Requirement Initiating Device Function Test

AMENDMENT
This section has been amended at the state or city level.
Test all heat detectors, smoke detectors, and manual pull station. Actuation of the initiating device shall indicate the type of device and zone of actuation on the fire alarm annunciator panel. Actuation of the initiating device shall also sound a minimum 10 db above ambient noise level or clearly audible fire alarm signal throughout the building or premises by either:

O105.5.2.1

AMENDMENT
This section has been amended at the state or city level.
A general alarm throughout the building, or

O105.5.2.2

AMENDMENT
This section has been amended at the state or city level.
An alarm on the floor of actuation when there is the capability of sounding a general alarm throughout the building by manual means from the building control station.

O105.6 Smoke Control Systems

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Section 104.9

Section O106 Test Procedures for Buildings Over 75 Feet in Height (New)

AMENDMENT
This section has been amended at the state or city level.

O106.1 General

AMENDMENT
This section has been amended at the state or city level.

O106.1.1

AMENDMENT
This section has been amended at the state or city level.
The provisions in this section shall govern the testing of certain fire warning systems and devices when subject to the provisions of California Administrative Code, Title 24, Chapter 2-18, Sections 2-1807 in effect in 1984, and 57.4705 of the Los Angeles Municipal Code.

O106.1.2

AMENDMENT
This section has been amended at the state or city level.
Tests of systems shall be conducted according to the approved design standard for the particular system as may be necessary to carry out the purpose and intent of this regulation.

O106.1.3

AMENDMENT
This section has been amended at the state or city level.
For testing of systems and devices not listed in this section, follow test procedures as stated in Section 104 of this regulation. Such systems and devices shall be tested at intervals as determined in Section O103.1.

O106.2 Communication Systems

AMENDMENT
This section has been amended at the state or city level.

O106.2.1

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Section O104.2.

O106.2.2 Additional Requirements

AMENDMENT
This section has been amended at the state or city level.

O106.2.2.1

AMENDMENT
This section has been amended at the state or city level.
Fire Department voice communication system shall be capable of communication between the building control station and the following locations:
  1. Elevators.
  2. Elevator lobbies.
  3. In every enclosed exit stairway at each level.
  4. At each exterior location where the stairshaft exits to a public way.

O106.2.2.2

AMENDMENT
This section has been amended at the state or city level.
A public address system shall provide communication from the building control station to the following locations:
  1. Elevators.
  2. Elevator lobbies.
  3. Corridors.
  4. Stairways.
  5. Rooms or areas with an occupant load of 50 persons or more.
  6. Every dwelling unit or guest room of hotel and apartment buildings.

O106.3 Emergency Power Systems

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Section O104.4.

O106.4 Fire Protection Assemblies

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Section O104.7.

O106.5 Fire Warning System

AMENDMENT
This section has been amended at the state or city level.

O106.5.1

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Sections O104.7.1, O104.7.2, O104.7.3, and O104.7.5.

O106.5.2 Additional Requirements—Initiating Device Function Test

AMENDMENT
This section has been amended at the state or city level.
Test all heat detectors, smoke detectors, manual pull stations, sprinkler system flow switches, and sprinkler system valve tamper switches. Actuation of initiating device shall indicate the type of device and zone of actuation on the fire alarm annunciator panel.

O106.5.2.1 Manual Pull Stations

AMENDMENT
This section has been amended at the state or city level.
Actuation shall cause the following to occur:
  1. A minimum of 10 db above ambient noise or clearly audible fire alarm signal shall sound on the floor of actuation.
  2. Stairshaft and elevator lobby door holders are to be de-energized, allowing the doors to close and latch.
  3. Stairshaft door locks are to be de-energized, unlocking all stairshaft doors.
  4. Building comfort heating and air conditioning shall shut down.
  5. Stairshaft pressurization fan shall activate.
  6. Signals shall be transmitted to the building control station to be properly annunciated at the fire detection and alarm system panel, indicating the floor of actuation and the status of systems affected.
  7. A fire alarm signal shall be transmitted to the 24- hour supervised building control station or to an approved remote central station signaling system.

O106.5.2.2 Smoke Detectors

AMENDMENT
This section has been amended at the state or city level.
Actuation shall cause the following to occur:

O106.5.2.2.1 Smoke Detectors, Elevator Lobby Doors

AMENDMENT
This section has been amended at the state or city level.
Smoke detectors and elevator lobby doors (located in or adjacent to the elevator lobby) shall have the same functions as initiated by a manual pull station and, in addition, will de-energize elevator lobby door hold-open devices on the floor of actuation.

O106.5.2.2.2 Smoke Detectors, Recall

AMENDMENT
This section has been amended at the state or city level.
Smoke detectors, recall (located in the elevator lobby) shall have the same functions as initiated by a manual pull station and, in addition, will return all elevators serving the affected bank of elevators to the designated main floor.

O106.5.2.2.3 Smoke Detectors, Area

AMENDMENT
This section has been amended at the state or city level.
Area smoke detectors (located in corridors, mechanical equipment rooms, or other specific areas) shall have the same functions as initiated by a manual pull station.

O106.5.2.2.4 Smoke Detectors, Air Duct and Two-Hour Openings

AMENDMENT
This section has been amended at the state or city level.
Shall have the same functions as initiated by a manual pull station and, in addition, shall cause the the building comfort heating and air conditioning to shut down.

O106.5.2.2.5 Smoke Detector, Smoke Evacuation

AMENDMENT
This section has been amended at the state or city level.
Shall have the same functions as initiated by a manual pull station and, in addition, activate the smoke evacuation fan system.

O106.5.2.2.6 Sprinkler System Flow Switch

AMENDMENT
This section has been amended at the state or city level.
Open the inspector's test valve(s) on each floor, causing the water flow switch to be actuated. Actuation shall cause the same function as initiated by a manual pull station and, in addition, will cause an outdoor sprinkler alarm bell to sound within 90 seconds.

O106.5.2.3 Sprinkler System Valve Tamper Switch

AMENDMENT
This section has been amended at the state or city level.
Operate the sprinkler control valve(s) on each floor, causing the tamper switch to be actuated. The actuation shall cause the following to occur:

O106.5.2.3.1

AMENDMENT
This section has been amended at the state or city level.
Trouble alarm to sound at the fire alarm annunciator panel when the valve is not in the fully open position.

O106.5.2.3.2

AMENDMENT
This section has been amended at the state or city level.
An annunciation light on the fire alarm panel shall light to indicate the "valve tamper" condition.

O106.6 Smoke Control Systems

AMENDMENT
This section has been amended at the state or city level.
Follow test procedures as stated in Section O104.9.

Section O107 Application

AMENDMENT
This section has been amended at the state or city level.
The provisions of this regulation do not supersede, nullify, or in any manner abrogate any other provision of the Los Angeles Municipal Code. Compliance with the provisions of this regulation does not relieve any person from compliance with applicable provisions of any County, State, or Federal Law.

Adopted this 15th day of March, 1984

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