Top PDF Fire Detection and Alarm Systems BS5839-1 +A2[1]

16.1 WEEKLY TESTING BY THE USER In accordance with the fire risk assessment, the end user would normally carry out the testing of the fire detection and alarm system on the same day, and where possible at a pre-defined time each week. Normally testing a manual call point would do this. However, some organisations prefer to sub-contract this testing to a specialist company. A different manual call point should be used at the time of every weekly test, so that all manual call points in the building are tested in rotation over a prolonged period. There is no maximum limit for this period (e.g. in a system with 150 manual call points, the user could test each manual call point every 150 weeks). The result of the weekly test and the identity of the manual call point used should be recorded in the system log book This test will ensure that the entire system or part of the system has not failed. It is important that the test is carried out in normal working hours, in order that the

TESTED TO COMPLY WITH FCC STANDARDS THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION. Industry Canada Electromagnetic Compatibility, ICES-003: THIS CLASS A DIGITAL APPARATUS COMPLIES WITH CANADIAN ICES-003. CET APPAREIL NUMERIQUE DE LA CLASSE A EST CONFORME A LA NORME NMB-003 DU CANADA.

BS 5306 Fire extinguishing installations and equipment on premises BS 6360 Conductors in insulated cables and cords 2.1.3 Contractor’s Responsibility 1 The Contractor shall arrange for an approved sub-contractor, to supply, install, wire and commission the complete manual/automatic fire alarm system comprising manual fire alarm call points, alarm bells and sounders, smoke and heat detectors optical smoke detectors, combined smoke and heat detectors, duct mounted smoke detectors, flame detectors, alarm heights (xenon beacon), remote indicating lights’ and control panels as indicated on the drawings. The system shall be designed, installed and maintained in accordance with the recommendations of BS 5839.

*Local Law 16-1987. **Local Law 26-2002. **§27-929.1 Retroactive requirements for office buildings one hundred feet or more in height.- (a) General requirements.- (1) Notwithstanding any other provision of this subchapter, all office buildings one hundred feet or more in height and buildings classified in occupancy group E one hundred feet or more in height in existence on the effective date of this subdivision shall have a full system of automatic sprinklers installed in accordance with this subchapter. Reports relating to the installation of such sprinkler systems shall be filed in accordance with subdivision (b) of section 27-228.5 of this code and installation of such sprinkler systems shall be completed on or before July 1, 2019 or, if applicable, on or before a date specified by the commissioner pursuant to paragraph (2) of subdivision (b) of section 27-228.5 of this code. (2) Exception.- Where an owner of a building or portion thereof subject to such retroactive requirement demonstrates to the satisfaction of the commissioner that the installation of sprinklers in a particular, limited portion of such building is not practicable, either due to structural conditions or because of designation as an interior landmark by the New York city landmarks preservation commission, the commissioner may waive such limited portions from the requirements of this section but may require additional fire safety measures to protect the health, safety and welfare of the public. (3) Application to buildings with a full system of automatic sprinklers.- The provisions of this subdivision shall not apply to buildings in existence on the October 22, 2004 in which a full system of automatic sprinklers was installed or required to be installed pursuant to any other provision of law. Nothing in this subdivision shall be construed to limit the applicability of any other provision of this code requiring sprinklers in the buildings referred to herein.

safety protection, the installed system must be stable, as well as reliable, to ensure it will be credible in the eyes of the occupants. The envi- ronment is an especially important consideration when designing smoke detection systems. Another important consideration of life safety fire alarm system applications is to ensure that notification appliances provide adequate warn- ing. NFPA 72 – 2010, Chapter 18, paragraph 18.4.3.1 states that for “public mode notifica- tion,” that is, where all of the building occupants are notified of the fire, a sound pressure level of 15dBA above the ambient noise level or 5dBA above a maximum sound level lasting for at least 60 seconds, whichever is greater, is required. In addition the Life Safety Code - 2009 edition and the Americans with Disabilities Act (ADA) re- quire that visible appliances be installed to assist in alarm notification of the hearing impaired. NFPA 72 – 2010 Chapter 10 and 18 requires that a fire alarm evacuation signal shall be distinctive in sound from other signal, and shall comply with the requirements of 18.4.2.1. Their sound shall not be used for any other purpose. Para- graph 18.4.2.1 describes a temporal pattern. The temporal three pattern shall only be used if total evacuation of the building is required.

1 The detection and extinguishing components shall be one integrated panel. The power source, for the system shall be two separately fused standard voltage circuits which will be connected to the control panel., The panel out-put shall be 24 Volts DC with a battery operated stand-by which will automatically take over and operate the system for 24 hours in the event normal power is interrupted. When trouble of this kind or within the system occurs, an audible signal as well as the indicating lights shall warn operating personnel. The fire detection and control system shall be comprised of a solid state, low power information processor and associated supervisory and interface circuitry. The system shall provide adequate isolation from external wiring to assure against transient signals causing false alarms. The system shall be optimised for use with graphic annunciation displays.

A. The terminal cabinet shall be constructed of 16 gauge (0.062 thick), cold rolled steel and finished with a durable red textured, heat-resistant, baked-on enamel finish. The front cover shall be engineered with a removable, formed, lift-a-way hinge and display “FIRE ALARM TERMINAL CABINET” in 2" white screened, indelible lettering. A CAT 30 keyed door lock shall secure the front cover. The interior of the box hall have field identification labels on the inside cover corresponding to the terminal strip’s labeling inside the back box. Overall dimensions shall have a minimum measure of 14" W by 14" H x 3 ¼" D. The cabinet shall include ½", ¾", 1", 1 ½", and 2" EMT knockout clusters on the top, bottom, and left side. Interior barrier terminal strips shall be rated for 12 gauge wire and 20 amp max 250V (Class B/UL) 300V (CSA) and shall be screw lug type.

The components of most fire alarm systems are connected by cables and wiring, but it is possible to connect them by other means, such as radio or fibre optics. Recommendations for radio-linked systems are given in BS 5839-1: 2002+A2: 2008 Clause 27. Radio- linked systems have both advantages and disadvantages. In the context of a dwelling, the major advantage is the ease of installation and the avoidance of the need to damage or disfigure décor in order to install wiring. The latter advantage is of particular benefit in historic buildings and buildings with ornate finishes; the use of radio-linked systems in historic buildings is now relatively common. Where fibre optic connections are used, they need to provide at least equivalent integrity and reliability to other cables that are recommended for the same purpose.

Smoke detectors, fire detection, and fire alarm systems have long been considered important features of fire codes. Compliance with modern fire codes, such as National Fire Protection Association (NFPA) 101 Life Safety Code, 2000 Edition is generally met with much less difficulty in new construction than in existing buildings. Johnson (2003) reports “in most communities, building construction in any year represents less than 2 percent of the total number of buildings” (Johnson, 2003, p. 1-34). Johnson goes on to state “given the 2 percent rate of new buildings, at any time, at least 50 percent of the building population is likely to be more than 30 years in age” (Johnson, 2003, p. 1-34). As codes and construction methods are updated, many of these older buildings that were designed to meet earlier requirements become unsafe by modern standards.

Technology development continued with the introduction of automatic heat detectors that were remotely monitored. These devices were introduced in New York City as a function of a fire alarm system in the 1870s. This was the beginning of automatic fire department notification by a fire alarm system without the need for human action. Again, the intent was to provide early fire department notification for property protection, not building occupant notification. Fire detection technology improvements continued with the introduction of smoke detection in the 1930s, which had limited success until the 1960s, when lower costs and simpler technology made the devices more attractive to the market place. But, again, the primary use of both heat and smoke detectors was to enhance property protection. It wasn’t until major studies published in 1962 by Mc Guire and Ruscoe and the Federal Fire Council (“Needed—Protection for People”) that it was recognized that the majority of fire protection devices in the market were devoted to property protection, not life safety enhancement for people. This realization has led to the development of a more holistic approach to fire protection that includes the fire alarm as one of numerous building systems involved in occupant life safety and property protection.

The length of time a fire remains in each stage depends on the class of fire and the properties of the available fuel(s). For example, in Class A fires stages 1 and 2 are of relatively long duration; it may take several minutes, hours or days for the fire to reach stages 2 and 3. For Class B fires, stages 1 and 2 are extremely short; the fire enters stage 3 almost immediately and rapidly progresses to stage 4.

FX 3NET is the solution for fire detection systems that consists of several individual panels and which interact with each other as if they were one huge panel. Any panel (or all of them) can handle the whole system. The flexibility in the configuration of the relation between the panels has the benefit of offering the designer the opportunity to define a system that best suits the needs of the user/owner of the system.

Code of practice for system design, installation and servicing Due to the on going and continued advances in Fire Alarm System Technology and the changes in Building Design and Construction the previous British Standard 5839:Part 1:1988 had become out of date.

(ii) In the case of equipment installed on or after 1 July 1986, where the fire detection system does not include means for remotely identifying each detector individually, no section covering more than one deck within accommodation spaces, service spaces and control stations shall, normally, be permitted except a section which covers an enclosed stairway. In order to avoid delay in identifying the source of fire, each section shall contain not more than 100 detectors and shall cover not more than 50 enclosed spaces in any sector. If the detection system is fitted with remotely and individually identifiable fire detectors the sections may cover several decks and serve any number of enclosed spaces in any sector. (i) (i) In the case of equipment installed before 1 July 1986, in passenger ships a section of

d. Special items of work: If the Contracting Officer or other delegated Authority’s Representative and the Contractor, by agreement, determine that either (1) an item of time and materials work does not represent a significant portion of the total Contract price, or (2) such item of work cannot be performed by the forces of the Contractor or the forces of any of his subcontractors, or (3) it is not in accordance with the established practice of the industry involved to keep the records which the procedure outlined in Paragraph b. above would require, charges for such special time and materials work item may be made on the basis of invoices for such work without complete itemization of labor, materials and equipment rental costs. To such invoiced price, less a credit to the Authority for any cash or trade discount offered or available, whether or not such discount may have been taken, will be added a negotiated amount not to exceed five percent of the discounted price, in lieu of the negotiated lump sum not to exceed the percentages provided for in Paragraph b. above.

1. Fire alarm notification appliances and their location shall comply with the requirements NFPA 72, which exceeds the requirements of the Americans with Disabilities Act. Consider placing audible alarms in occupied areas where separated by two or more doors from nearest alarms.

Federal Regulations 274a). Among other things, Supplier is required to: (1) have all employees complete and sign the I-9 Form certifying that they are eligible for employment; (2) examine verification documents required by the I-9 Form to be presented by the employee and ensure the documents appear to be genuine and related to the individual; (3) record information about the documents on the I-9 Form, and complete the certification portion of the I-9 Form; and (4) retain the I-9 Form as required by law. It is illegal to discriminate against any individual (other than a citizen of another country who is not authorized to work in the United States) in hiring, discharging, or recruiting because of that individual's national origin or citizenship status. If Supplier employs unauthorized workers during performance of this Purchase Order in violation of the Immigration Act then, in addition to other remedies or penalties prescribed by law, TTUHSC may terminate this Purchase Order. Supplier represents and warrants that it is in compliance with and agrees that it will remain in compliance with the provisions of the Immigration Act.

C. ****Amber Visible (Strobe) Only for Armed Assailant Alert****: Similar to Strobe Only unit for fire alarm only with amber lens and without FIRE lettering. Strobe shall be listed to UL 1971. Strobe shall consist of a xenon flash tube and associated lens/reflector system. The strobe enclosure shall mount directly to standard single gang, double gang or 4" square box without the use of special adapters or trim rings. Install in all hearing impaired sleeping rooms. Amber strobes shall fire upon initiation of Armed Assailant Alert or Tornado Alert and extinguish upon system reset. Provide control as required.

The D263 and the D273 Photoelectric Smoke Detectors use an LED light source and a silicon photo diode to measure light in a chamber. In normal conditions the light source is absorbed in the chamber. The presence of a significant number of particulates allows the light to reflect to the photo diode. Diode measurements exceeding the alarm threshold cause the unit to signal an alarm condition. The detection chamber, designed for reliable smoke entry characteristics, is protected by a micro-fine insect screen to reduce dust accumulation and minimize nuisance alarms. To further reduce nuisance alarms, the D263 and D273 check their calibration. This Chamber Check feature is automatic. If the detector is out of calibration for a period exceeding 24 hours, the Trouble/Alarm LED flashes once per second, three times the normal rate. These detectors have an internal diagnostic test that is activated by an external magnet. This test results in specific LED and alarm circuit responses to indicate:

Besides the technical challenges above, system owners also face commercial challenges when managing an outsourced maintenance program. Owners who signed up a planned maintenance contract may initially be very pleased with the apparent low cost of the contract. However, the total cost, inclusive of subsequent unplanned maintenance may end up being much higher than budgeted. In inequitable contracts where the rates are unrealistically low, contractors who sign up such contracts may subsequently try to gain commercial advantage by generating additional revenue through indirect means. It is not uncommon to hear of fire maintenance contracts for a factory going for as low as RM100 per month, which may include monthly inspections of fire alarm systems, hose reel and CO2 systems. Contracts such as these, if entered into, may result in owners spending more than is necessary due to “artificial faults” created, unwarranted recommendations to replace components or to perform upgrades.