Product Selection Guide Page 690 Product Selection Guide-11th Edition

PRODUCT INFORMATION PSG11 690 GENERAL INFORMATION Safety Codes www.lithonia.com NFPA 101 LIFE SAFETY CODE 2012 Reprinted with permission from NFPA 101 , Life Safety Code , Copyright 2012, National Fire Protection Association, Quincy, MA. 7.8 Illumination of Means of Egress. 7.8.1 General. 7.8.1.1* Illumination of means of egress shall be provided in accordance with Section 7.8 for every building and structure where required in Chapters 11 through 43. For the purposes of this requirement, exit access shall include only designated stairs, aisles, corridors, ramps, escalators, and passageways leading to an exit. For the purposes of this requirement, exit discharge shall include only designated stairs, aisles, corridors, ramps, escalators, walkways, and exit passageways leading to a public way. 7.8.1.2 Illumination of means of egress shall be continuous during the time that the conditions of occupancy require that the means of egress be available for use, unless otherwise provided in 7.8.1.2.2. 7.8.1.2.1 Artificial lighting shall be employed at such locations and for such periods of time as are necessary to maintain the illumination to the minimum criteria values herein specified. 7.8.1.2.2 Unless prohibited by Chapters 11 through 43, automatic, motion sensor-type lighting switches shall be permitted within the means of egress, provided that the switch controllers comply with all the following: (1) The switch controllers are listed. (2) The switch controllers are equipped for fail-safe operation and evaluated for this purpose. (3) The illumination timers are set for a minimum 15-minute duration. (4) The motion sensor is activated by any occupant movement in the area served by the lighting units. (5) The switch controller is activated by activation of the building fire alarm system, if provided. 7.8.1.3* The floors and other walking surfaces within an exit and within the portions of the exit access and exit discharge designated in 7.8.1.1 shall be illuminated as follows: (1) During conditions of stair use, the minimum illumination for new stairs shall be at least 10 ft- candle (108 lux), measured at the walking surfaces. (2) The minimum illumination for floors and walking surfaces, other than new stairs during conditions of stair use, shall be to values of at least 1 ft-candle (10.8 lux), measured at the floor. (3) In assembly occupancies, the illumination of the walking surfaces of exit access shall be at least 0.2 ft-candle (2.2 lux) during periods of performances or projections involving directed light. (4)*The minimum illumination requirements shall not apply where operations or processes require low lighting levels. 7.8.1.4* Required illumination shall be arranged so that the failure of any single lighting unit does not result in an illumination level of less than 0.2 ft-candle (2.2 lux) in any designated area. 7.8.1.5 The equipment or units installed to meet the requirements of Section 7.10 also shall be permitted to serve the function of illumination of means of egress, provided that all requirements of Section 7.8 for such illumination are met. 7.8.2 Sources of Illumination. 7.8.2.1* Illumination of means of egress shall be from a source considered reliable by the authority having jurisdiction. 7.8.2.2 Battery-operated electric lights and other types of portable lamps or lanterns shall not be used for primary illumination of means of egress. Battery-operated electriclights shall be permitted to be used as an emergency source to the extent permitted under Section 7.9. 7.9 Emergency Lighting. 7.9.1 General. 7.9.1.1* Emergency lighting facilities for means of egress shall be provided in accordance with Section 7.9 for the following: (1) Buildings or structures where required in Chapters 11 through 43 (2) Underground and limited access structures as addressed in Section 11.7 (3) High-rise buildings as required by other sections of this Code (4) Doors equipped with delayed-egress locks (5) Stair shaft and vestibule of smokeproof enclosures, for which the following also apply: (a) The stair shaft and vestibule shall be permitted to include a standby generator that is installed for the smokeproof enclosure mechanical ventilation equipment. (b) The standby generator shall be permitted to be used for the stair shaft and vestibule emergency lighting power supply. (6) New access-controlled egress doors in accordance with 7.2.1.6.2. 7.9.1.2 For the purposes of 7.9.1.1, exit access shall include only designated stairs, aisles, corridors, ramps, escalators, and passageways leading to an exit. For the purposes of 7.9.1.1, exit discharge shall include only designated stairs, ramps, aisles, walkways, and escalators leading to a public way. 7.9.1.3 Where maintenance of illumination depends on changing from one energy source to another, a delay of not more than 10 seconds shall be permitted. 7.9.2 Performance of System. 7.9.2.1* Emergency illumination shall be provided for a minimum of 1-1/2 hours in the event of failure of normal lighting. Emergency lighting facilities shall be arranged to provide initial illumination that is not less than an average of 1 ft-candle (10.8 lux) and, at any point, not less than 0.1 ft-candle (1.1 lux), measured along the path of egress at floor level. Illumination levels shall be permitted to decline to not less than an average of 0.6 ft-candle (6.5 lux) and, at any point, not less than 0.06 ft-candle (0.65 lux) at the end of the 1-1/2 hours. A maximum-to-minimum illumination uniformity ratio of 40 to 1 shall not be exceeded. 7.9.2.2 New emergency power systems for emergency lighting shall be at least Type 10, Class 1.5, Level 1, in accordance with NFPA110, Standard for Emergency and Standby Power Systems . 7.9.2.3* The emergency lighting system shall be arranged to provide the required illumination automatically in the event of any interruption of normal lighting due to any of the following: (1) Failure of a public utility or other outside electrical power supply (2) Opening of a circuit breaker or fuse (3) Manual act(s), including accidental opening of a switch controlling normal lighting facilities. 7.9.2.4 Emergency generators providing power to emergency lighting systems shall be installed, tested, and maintained in accordance with NFPA 110, Standard for Emergency and Standby Power Systems . Stored electrical energy systems, where required in this Code , other than battery systems for emergency luminaires in accordance with 7.9.2.5, shall be installed and tested in accordance with NFPA 111, Standard on Stored Electrical Energy Emergency and Standby Power Systems . 7.9.2.5 Unit equipment and battery systems for emergency luminaires shall be listed to ANST/UL 924, Standard for Emergency Lighting and Power Equipment . 7.9.2.6* Existing battery-operated emergency lights shall use only reliable types of rechargeable batteries provided with suitable facilities for maintaining them in properly charged condition. Batteries used in such lights or units shall be approved for their intended use and shall comply with NFPA70, National Electrical Code . 7.9.2.7 The emergency lighting system shall be either continuously in operation or shall be capable of repeated automatic operation without manual intervention. 7.9.3 Periodic Testing of Emergency Lighting Equipment. 7.9.3.1 Required emergency lighting systems shall be tested in accordance with one of the three options offered by 7.9.3.1.1, 7.9.3.1.2, or 7.9.3.1.3. 7.9.3.1.1 Testing of required emergency lighting systems shall be permitted to be conducted as follows: (1) Functional testing shall be conducted monthly with a minimum of 3 weeks and a maximum of 5 weeks between tests, for not less than 30 seconds, except as otherwise permitted by 7.9.3.1.1(2). (2) The test interval shall be permitted to extend beyond 30 days with the approval of the authority having jurisdiction. (3) Functional testing shall be conducted annually for not less than 1-1/2 hours if the emergency lighting system is battery powered. (4) The emergency lighting equipment shall be fully operational for the duration of the tests required by 7.9.3.1.1(1) and (3). (5) Written records of visual inspections and tests shall be kept by the owner for inspection by the authority having jurisdiction. 7.9.3.1.2 Testing of required emergency lighting systems shall be permitted to be conducted as follows: (1) Self-testing/self-diagnotic battery-operated emergency lighting equipment shall be provided. (2)Not less than once every 30 days, self-testing/self-diagnostic battery-operated emergency lighting equipment shall automatically perform a test with a duration of a minimum of 30 seconds and a diagnostic routine. (3) Self-testing/self-diagnostic battery-operated emergency lighting equipment shall indicate failures by a status indicator. (4) A visual inspection shall be performed at intervals not exceeding 30 days. (5) Functional testing shall be conducted annually for a minimum of 1-1/2 hours. (6) Self-testing/self-diagnostic battery- operated emergency lighting equipment shall be fully operational for the duration of the 1-1/2 hour test. (7) Written records of visual inspections and tests shall be kept by the owner for inspection by the authority having jurisdiction. 7.9.3.1.3 Testing of required emergency lighting systems shall be permitted to be conducted as follows: (1) Computer-based, self-testing/self-diagnostic battery operated emergency lighting equipment shall be provided. (2) Not less than once every 30 days, emergency lighting equipment shall automatically perform a test with a duration of a minimum of 30 seconds and a diagnostic routine. (3) The emergency lighting equipment shall automatically perform annually a test for not less than 1-1/2 hours. (4) The emergency lighting equipment shall be fully operational for the duration of the tests required by 7.9.3.1.3(2) and (3). (5) The computer-based system shall be capable of providing a report of the history of tests and failures at all times. 7.10 Marking of Means of Egress. 7.10.1 General. 7.10.1.1 Where Required. Means of egress shall be marked in accordance with Section 7.10 where required in Chapters 11 through 43. 7.10.1.2 Exits. 7.10.1.2.1* Exits, other than main exterior exit doors that obviously and clearly are identifiable as exits, shall be marked by an approved sign that is readily visible from any direction of exit access. 7.10.1.2.2* Horizontal components of the egress path within an exit enclosure shall be marked by approved exit or directional exit signs where the continuation of the path of egress is not obvious. 7.10.1.3 Exit Door Tactile Signage. Tactile signage shall be provided to meet the following criteria, unless otherwise provided in 7.10.1.4: (1) Tactile signage shall be located at each exit door requiring an exit sign. (2) Tactile signage shall read as follows: EXIT. (3) Tactile signage shall comply with ICC/ANSI A117.1, American National Standard for Accessible and Usable Buildings and Facilities . 7.10.1.4 Existing Exemption. The requirements of 7.10.1.3 shall not apply to existing buildings, provided that the occupancy classification does not change. 7.10.1.5 Exit Access. 7.10.1.5.1 Access to exits shall be marked by approved, readily visible LITHONIA LIGHTING EMERGENCY SYSTEMS

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