780 CMR 9.00 FIRE PROTECTION AND LIFE SAFETY SYSTEMS

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780 CMR 9.00FIRE PROTECTION AND LIFE SAFETY SYSTEMS780 CMR 9.00 is unique to Massachusetts780 CMR 901.0 GENERAL901.1 Scope. The provisions of 780 CMR 9.00 shallspecify where fire protection systems are requiredand shall apply to the design, installation,maintenance and operation of all fire systems in allbuildings and structures.901.1.1 Seismic Requirements. All “required”and “non-required” fire protection systems shallbe installed in accordance with the applicableSeismic Criteria requirements of 780 CMR 1613,related to the seismic design of fire protectionsystems.901.2 Required Systems. All fire protectionsystems required by 780 CMR shall be installed,repaired, operated and maintained in accordancewith 780 CMR 9.00 and the applicable referencestandards listed in 780 CMR 35.00. All required firesuppression and standpipe systems shall be providedwith at least one automatic supply of fireextinguishing agent of adequate pressure, capacityand reliability to perform the function intended.901.3 Nonrequired Systems. Any fire protectionsystem or portion thereof not required by 780 CMRshall be permitted to be installed for partial orcomplete protection provided that such installedsystem meets applicable requirements of 780 CMR.A building permit shall be required for systemsinstalled pursuant to 780 CMR 901.3.901.4 Maintenance. All water based fire protectionsystems shall be maintained in accordance withNFPA 25 as listed in 780 CMR 35.00. All other fireprotection systems shall be maintained in accordancewith the requirements of the applicable referencestandards and standards listed in 780 CMR 35.00.The owner of every building or structure shall beresponsible for the care and maintenance of all fireprotection systems, including equipment anddevices, to ensure the safety and welfare of theoccupants. No person shall shut off, disconnect,obstruct, remove or destroy, or cause or permit to beshut off, disconnected, obstructed, removed ordestroyed, any part of any sprinkler system, watermain, hydrant or other device used for fire protectionor carbon monoxide detection and alarm in anybuilding owned, leased or occupied by such personor under his control or supervision, without firstprocuring a written permit so to do from the head ofthe fire department of the city or town wherein suchbuilding is situated in accordance with M.G.L. c.148, § 27A.When installations of fire protection systems areinterrupted for repairs or other necessary reasons, the8/22/08 (Effective 9/1/08)owner, tenant or lessee shall immediately advise thelocal fire department and shall diligently prosecutethe restoration of the protection.901.5 Threads. All threads provided for firedepartment connections to sprinkler systems,standpipes, yard hydrants or any other fire hoseconnection shall be compatible with the connectionsused by the local fire department.901.6 Signs-general. All signs required to identifyfire protection equipment, equipment rooms andequipment locations shall be constructed of durablematerials, be permanently installed and be readilyvisible. Letters and numbers shall contrast with thesign background, shall be at least two inches inheight and shall have an appropriate width-to-heightratio to permit the sign to be read easily from adistance of ten feet. The sign and location shall beapproved by the local fire department.901.6.1 Sprinkler Control Valve RoomSignage. Where sprinkler control valves arelocated in a separate room or building, a sign shallbe provided on the entrance door. The letteringshall be at least 2½ inches (63.5 mm) in heightand shall otherwise conform to 780 CMR 901.6and shall read "Sprinkler Control Valves."901.6.2 Fire Department Connections Signage.A metal sign with raised letters at least one inch(25 mm) in height shall be mounted on all firedepartment connections serving sprinklers orstandpipes. Such signs shall read "AutomaticSprinklers" or "Standpipe," or both, as applicable.901.7 Fire Protection Systems Approval/Acceptance.901.7.1 Required. Complete fire protectionconstruction documents shall be submitted inaccordance with 780 CMR 110.0 and 780 CMR901.0 and a building permit obtained prior to theinstallation of all "required" or "non required" fireprotection systems, including modifications,alterations, additions or deletions to an existingfire protection system. The fire protectionconstruction documents shall contain sufficientinformation to completely describe the fireprotection systems, including operational features.The information required pursuant to 780 CMR901.7 shall include, where required, the itemslisted in 780 CMR 901.7.1.1.Exceptions:1. Maintenance; no building permit required.2. For modifications, alterations, additions ordeletions which do not affect system performance or compatibility; no building permit is780 CMR - Seventh Edition219

780 CMR: STATE BOARD OF BUILDING REGULATIONS AND STANDARDSTHE MASSACHUSETTS STATE BUILDING CODErequired unless otherwise directed by theBuilding Official. (Note also refer to M.G.L.c. 148, § 27A and M.G.L. c. 148, § 10A.)901.7.1.1 Fire Protection ConstructionDocuments.1. a. Basis (methodology) of design for theprotection of the occupancy and hazardsfor compliance with 780 CMR andapplicable NFPA Standards, in the formof a narrative report.b. Sequence of operation of all fireprotection systems and operation in theform of a narrative report.c. Testing criteria to be used for finalsystem acceptance in the form of anarrative report.2. Building and site access for fire fightingand/or rescue vehicle(s) and personnel.3. Fire hydrant(s) location and water supplyinformation.4. Type/description and design layout of theautomatic sprinkler system(s).5. Automatic sprinkler system(s) controlequipment location.6. Type/description and design layout of theautomatic standpipe system(s).7. Standpipe system hose valve(s) type andlocation.8.Fire department siamese connectiontype(s) and location.9. Type/description and design layout of thefire protective signaling system(s).10.Fire protective signaling system(s)control equipment and remote annunciatorlocation.11. Type/description and design layout ofthe smoke control or exhaust system(s).12. Smoke control or exhaust system(s)control equipment location.13. Building life safety system features(auxiliary functions) required to beintegrated as part of the fire protectivesignaling system(s).14. Type/description and design layout ofthe fire extinguishing system(s).15. Fire extinguishing system(s) controlequipment location.16. Fire protection system(s) equipmentroom location.17. Fire protection system(s) equipmentidentification and operation signs.18.Fire protection system(s) alarm/supervisory signal transmission method andlocation.19. Fire command center location.20. Type/description and location of anyemergency alarm system.21. Type/description and location of anycarbon monoxide protection.901.7.1.2 Plans. All fire protection system220plans shall contain sufficient information toidentify the occupancy, hazards, system andequipment arrangements, system andequipment sizing, systems specifications,systems sequence(s) of operation anddesign/engineering calculations.901.7.1.3 Design. All fire protection systemsand fire protection system operation includingbuilding and site features as identified in780 CMR 901.7.1.1 shall be designed andspecified by a qualified Registered Professional Engineer(s) except as provided inM.G.L. c. 143, § 54A and any profession ortrade as provided in M.G.L. c. 112, § 60L andM.G.L. c. 112, § 81R. All plans shall bear theoriginal seal and signature of the RegisteredProfessional Engineer(s), except as provided inM.G.L. c. 143, § 54A and any profession ortrade as provided in M.G.L. c. 112, § 60L andM.G.L. c. 112, § 81R. Specifications shallinclude requirements for the preparation ofshop drawings when required by 780 CMR orapplicable NFPA Standards. The RegisteredProfessional Engineer(s) or other legallyrecognized professional (M.G.L. c. 112, § 81R)shall be responsible for the review and certifythat all shop drawings conform to the approvedfire protection construction documents assubmitted for the building permit and approvedby the building official.901.7.1.4 As-built Plans. As built plans shallbe provided to the building owner for all fireprotection and life safety systems that aresealed as reviewed and approved by theregistered Professional Engineer or legallyrecognized professional performingConstruction Control. Where changes tooriginal shop drawings are minor, a list of asbuilt changes shall be permitted to besubmitted where sealed and reviewed andapproved by the registered ProfessionalEngineer or legally recognized professionalperforming Construction Control.901.7.1.5 Safeguarding Construction. Thefire protection construction documents shallprovide specifications for conformance to780 CMR 33.00 and NFPA-241 listed in780 CMR 35.00 in order to safeguard againstfires during construction, alterations anddemolition of all buildings and structuresregulated by 780 CMR.901.7.2 Authority. In accordance with therequirements of 780 CMR 110.0 and 780 CMR901.7.1 the building of official shall transmit oneset of the fire protection construction documents(780 CMR 901.7.1.1 ) and building constructiondocuments to the head of the fire department orhis designee for review and approval of the itemsspecified in 780 CMR 901.7.1.1.780 CMR - Seventh Edition8/22/08 (Effective 9/1/08)

780 CMR: STATE BOARD OF BUILDING REGULATIONS AND STANDARDSFIRE PROTECTION AND LIFE SAFETY SYSTEMSNotes:1. M.G.L. c. 148 §§ 26G, 26G.5, 26H and 26I,as applicable or otherwise when adopted by acity or town, will impact the fire protectionrequirements of 780 CMR 9.00. A buildingofficial shall consult Official InterpretationNumber 45-96, for guidance, wherecommunities have adopted M.G.L. c. 148, §§26G, 26H, and/or 26I.2. In addition to the building permit requirements for fire protection systems in 780 CMR,M.G.L. c. 148, § 10A and 527 CMR mayimpose additional installation permittingrequirements.901.7.2.1 Alternative Fire Protection DesignMethodologies - Independent EngineeringReview. Where alternative design methodologies are utilized and where such methodologiesresult in designs which vary from anyprescriptive requirement of 780 CMR, theowner shall engage an independent registeredprofessional engineer to review said alternativedesign methodologies. The scope of theindependent registered professional engineerreview shall include, but not be limited to thefollowing;(a) Review of the design assumptions,methodologies and resulting proposedsystem designs, to determine whether theproposed fire protection system designs andany other systems which are affected by thedesign assumptions, are consistent with thegeneral objectives and prescriptiveprovisions of 780 CMR and to determinewhether or not the methodologies andassumptions conform to acceptedengineering practice;(b) Preparation of a written report to thebuilding official as to the appropriateness ofthe proposed design, specifically listing anyvariances from the prescriptive provisions of780 CMR and describing, in detail, thedesign provisions used to achievecompliance.If the reviewing engineer concurs with theproposed design, the owner shall makeapplication for a variance, to the State BuildingCode Appeals Board as provided in 780 CMR122.0.In addition to all supportinginformation and materials, the reviewingengineer’s report required in 780 CMR901.7.2.1(b) shall be included in theapplication for variance.A building permit shall not be issued untilthe variance, if required, has been granted, orunless the building permit is issued in part,as provided for in 780 CMR 111.13. Whena variance is granted under 780 CMR 901.0for a bulk merchandising retail building asdefined in 780 CMR 424.2.1, and when the8/22/08 (Effective 9/1/08)condition appealed is common to futurebuildings of the owner, the State BuildingCode Appeals Board, upon request of theowner, may provide that the variance shallbe applicable to such future buildings. Ifsuch request is made, a quorum of the Boardshall hear the appeal. Each such applicability to a future building will be subject todetermination as prescribed in 780 CMR110.8 by the building official in conjunctionwith the head of the local fire departmentthat its use is in conformity with the terms ofthe variance.901.7.3 Fire Protection Systems Installation.Fire protection systems shall be installed bycontractors and personnel appropriately licensedin the Commonwealth of Massachusetts (licensedinstalling contractor). Shop drawings requiredfor submittals and reviews by the RegisteredProfessional Engineer, or other legally recognizedprofessional by 780 CMR 901.7.1.3 or byapplicable NFPA Standards shall note thename(s), license number(s) and license expirationdate(s) of the contractor(s) installing the fireprotection systems.901.7.4 Acceptance. In accordance with theprovisions of 780 CMR 120.0, a Certificate ofOccupancy shall not be issued until the buildingofficial and the head of the fire department or theirdesignees have witnessed a satisfactory functionaltest of all fire protection systems, installed inaccordance with the approved fire protectionconstruction documents. All fire protectionsystems shall be tested in accordance with theapplicable provisions of 780 CMR and NFPAStandards and approved testing criteria andoperational sequence as submitted in 780 CMR901.7.1.1, items 1.b and c. In addition, thefollowing documents and/or information shall besimultaneously submitted to the building officialand head of the fire department or their designeesprior to the witnessing of the operational fireprotection system(s) testing:1.Certification, from the RegisteredProfessional Engineer or other legallyrecognized professional responsible for thedesign in accordance with 780 CMR 901.7.1.3stating that the fire protection systems havebeen installed in accordance with the approvedfire protection construction documents and thathe has reviewed the shop drawings forconformance to 780 CMR 901.7.3 and hasidentified deviations if any, from the approvedfire protection construction documents.2.Confirmation by the building owner/developer or authorized representative that theyhave received the as-built fire protectionsystem shop drawings from the installingcontractor and that the Registered ProfessionalEngineer or other legally recognized profes-780 CMR - Seventh Edition221

780 CMR: STATE BOARD OF BUILDING REGULATIONS AND STANDARDSTHE MASSACHUSETTS STATE BUILDING CODEsional (M.G.L. c. 112, § 81R) has certifiedtheir reasonable accuracy.3.Material, Test, Performance andCompletion Certificates, properly executed bythe installing contractor in accordance with theapplicable NFPA Standards.Exception.In lieu of witnessing asatisfactory functional test, the buildingofficial and head of the fire department ortheir designees may accept a finalperformance acceptance test report from aRegistered Professional Engineer or otherlegally recognized professional. Said reportshall certify that a complete satisfactoryfunctional test of all fire protection systemsin accordance with the approved testingcriteria and operational sequence have beenwitnessed.901.7.4.1 Conditional Acceptance. Therequirements of 780 CMR 901.7.4 shall notpreclude the issuance of a temporary Certificateof occupancy by the Building Official inaccordance with 780 CMR 120.3.780 CMR 902.0 DEFINITIONS902.1 Definitions. The following words and termsshall, for the purposes of 780 CMR 9.00, and as usedelsewhere in 780 CMR, have the meanings shown in780CMR 902.1.ALARM NOTIFICATION APPLIANCE. A firealarm system component such as a bell, horn,speaker, light or text display that provides audible,tactile or visible outputs, or any combination thereof.ALARM SIGNAL.A signal indicating anemergency requiring immediate action, such as asignal indicative of fire.ALARM VERIFICATION FEATURE. A featureof automatic fire detection and alarm systems toreduce unwanted alarms wherein smoke detectorsreport alarm conditions for a minimum period oftime, or confirm alarm conditions within a giventime period, after being automatically reset, in orderto be accepted as a valid alarm-initiation signal.ANNUNCIATOR. A unit containing one or moreindicator lamps, alphanumeric displays or otherequivalent means in which each indication providesstatus information about a circuit, condition orlocation.APPROVAL/PERMIT TO INSTALL. Permitsoutside the jurisdiction of the building official,issued under authority of M.G.L. c. 148, §10A or527 CMR.A U D I B L E A L A R M NO T IFI CA TI O NAPPLIANCE. A notification appliance that alertsby the sense of hearing.222AUTHORITY HAVING JURISDICTION. Theterm "Authority Having Jurisdiction" as used in theNFPA Standards as referenced in 780 CMR 9.00,shall mean the building official for enforcement of780 CMR and the BBRS for interpretation, waiver orvariances (see 780 CMR 122.0; see officialinterpretation number 35-94).AUTOMATIC. As applied to fire protectiondevices, is a device or system providing anemergency function without the necessity for humanintervention and activated as a result of apredetermined temperature rise, rate of temperaturerise or combustion products.AUTOMATIC FIRE-EXTINGUISHINGSYSTEM. An approved system of devices andequipment which automatically detects a fire anddischarges an approved fire-extinguishing agent ontoor in the area of a fire.AUTOMATIC SPRINKLER SYSTEM.Asprinkler system, for fire protection purposes, is anintegrated system of underground and overheadpiping designed in accordance with fire protectionengineering standards. The system includes asuitable automatic water supply. The portion of thesystem above the ground is a network of speciallysized or hydraulically designed piping installed in astructure or area, generally overhead, and to whichautomatic sprinklers are connected in a systematicpattern. The system is usually activated by heat froma fire and discharges water over the fire area.AVERAGE AMBIENT SOUND LEVEL. Theroot mean square, A-weighted sound pressure levelmeasured over a 24-hour period.BAR. An occupancy offering services primarily foralcoholic beverages with limited food service.CARBON DIOXIDE EXTINGUISHINGSYSTEMS. A system supplying carbon dioxide(CO2) from a pressurized vessel through fixed pipesand nozzles. The system includes a manual- orautomatic-actuating mechanism.CARBON MONOXIDE ALARMPROTECTION. A system comprising of listeddevices that respond to carbon monoxide andprovides an alarm signal to notify occupants.CEILING LIMIT. The maximum concentration ofan air-borne contaminant to which one may beexposed, as published in DOL 29 CFR Part1910.1000.CLEAN AGENT. Electrically nonconducting,volatile or gaseous fire extinguishant that does notleave a residue upon evaporation.CONSTANTLY ATTENDED LOCATION. Adesignated location at a facility staffed by trainedpersonnel on a continuous basis where alarm orsupervisory signals are monitored and facilities are780 CMR - Seventh Edition8/22/08 (Effective 9/1/08)

780 CMR: STATE BOARD OF BUILDING REGULATIONS AND STANDARDSFIRE PROTECTION AND LIFE SAFETY SYSTEMSprovided for notification of the fire department orother emergency services.CONSTRUCTION DOCUMENTS.See780 CMR 202.0, C ONSTRUCTIONDOCUMENTS.DELUGE SYSTEM.A sprinkler systememploying open sprinklers attached to a pipingsystem connected to a water supply through a valvethat is opened by the operation of a detection systeminstalled in the same areas as the sprinklers. Whenthis valve opens, water flows into the piping systemand discharges from all sprinklers attached thereto.DETECTOR, HEAT. A fire detector that sensesheat produced by burning substances. Heat is theenergy produced by combustion that causessubstances to rise in temperature.DRY-CHEMICAL EXTINGUISHING AGENT.A powder composed of small particles, usually ofsodium bicarbonate, potassium bicarbonate, ureapotassium-based bicarbonate, potassium chloride ormonoammonium phosphate, with added particulatematerial supplemented by special treatment toprovide resistance to packing, resistance to moistureabsorption (caking) and the proper flow capabilities.EMERGENCY ALARM SYSTEM. A system toprovide indication and warning of emergencysituations involving hazardous materials.EMERGENCYVOICE/ALARMCOMMUNICATIONS. Dedicated manual orautomatic facilities for originating and distributingvoice instructions, as well as alert and evacuationsignals pertaining to a fire or other emergency, to theoccupants of a building.EXPLOSION. An effect produced by the suddenviolent expansion of gases, that is accompanied by ashock wave or disruption of enclosing materials orstructures, or both.FIRE ALARM BOX, MANUAL. See “ManualFire Alarm Box.”FIRE ALARM CONTROL UNIT. A systemcomponent that receives inputs from automatic andmanual fire alarm devices and is capable ofsupplying power to detection devices andtransponder(s) or off-premises transmitter(s). Thecontrol unit is capable of providing a transfer ofpower to the notification appliances and transfer ofcondition to relays or devices.FIRE ALARM SIGNAL. A signal initiated by afire alarm-initiating device such as a manual firealarm box, automatic fire detector, water flowswitch, or other device whose activation is indicativeof the presence of a fire or fire signature.FIRE ALARM SYSTEM. A system or portion ofa combination system consisting of components andcircuits arranged to monitor and annunciate the8/22/08 (Effective 9/1/08)status of fire alarm or supervisory signal-initiatingdevices and to initiate the appropriate response tothose signals.FIRE COMMAND CENTER. The principalattended or unattended location where the status ofdetection, alarm communications and controlsystems is displayed, and from which the system(s)can be manually controlled.FIRE DEPARTMENT DESIGNEE.Anindividual authorized by the chief of the firedepartment to review and approve fire protectionsystem plans and installation.FIRE DETECTOR, AUTOMATIC. A devicedesigned to detect the presence of a fire signatureand to initiate action.FIRE PROTECTION SYSTEM.Approveddevices, equipment and systems or combinations ofsystems used to detect a fire, activate an alarm,extinguish or control a fire, control or manage smokeand products of a fire or any combination thereof.FIRE SAFETY FUNCTIONS. Building and firecontrol functions that are intended to increase thelevel of life safety for occupants or to control thespread of harmful effects of fire.FOAM-EXTINGUISHING SYSTEM. A specialsystem discharging a foam made from concentrates,either mechanically or chemically, over the area tobe protected.HALOGENATED EXTINGUISHING SYSTEM.A fire-extinguishing system using one or more atomsof an element from the halogen chemical series:fluorine, chlorine, bromine and iodine.HEAT DETECTOR. A fire detector that sensesheat produced by burning substances. Heat is theenergy produced by combustion that causessubstances to rise in temperature.HOUSEHOLD FIRE WARNING SYSTEM. Ahousehold fire warning system consists of single ormultiple station detectors or a listed control unit withautomatic fire detectors and occupant notificationappliances. The household fire warning systemserves only one dwelling unit, patient room, hotelroom or other single area depending on use grouprequirements.INITIATING DEVICE. A system component thatoriginates transmission of a change-of-statecondition, such as in a smoke detector, manual firealarm box or supervisory switch.INSTALLING CONTRACTOR. An individual orfirm duly licensed to install fire protection systems.(See 780 CMR 901.7.3)- Automatic Sprinklers Systems - M.G.L. c. 146,§§ 81 through 85A, 528 CMR 11.00 and 12.00.- Fire Extinguishing systems - M.G.L. c. 148,§§ 58, 527 CMR 23.00.780 CMR - Seventh Edition223

780 CMR: STATE BOARD OF BUILDING REGULATIONS AND STANDARDSTHE MASSACHUSETTS STATE BUILDING CODE- Fire Alarm Systems - M.G.L. c. 141, §§ 1through 10, 237 CMR 1.00 through 6.00.LEGALLY RECOGNIZED PROFESSIONAL.Those recognized under M.G.L. c. 112,§ 81Rincluding a person, firm, partnership, corporation orassociation who prepare plans, specifications or shopdrawings for work to be installed by the sameperson, firm, partnership, corporation or associationpreparing such plans, specifications or shopdrawings.LIMITED AREA, SPRINKLER SYSTEM. Anautomatic sprinkler system consisting of not morethan 20 sprinklers (see 780 CMR 903.3.5.1.1).LISTED. Equipment, materials or services includedin a list published by an organization acceptable tothe building official and concerned with evaluationof products or services that maintains periodicinspection of production of listed equipment ormaterials or periodic evaluation of services andwhose listing states either that the equipment, material or service meets identified standards or has beentested and found suitable for a specified purpose.MAINTENANCE OF FIRE PROTECTIONSYSTEMS. Replacement or repair of any component or components of a fire protection system,where such does not affect system performance andcompatibility. (Also see Modifications, Alterations,Additions or Deletions to Fire Protection Systems).No building permit is required for maintenance.Other permits, however, may be required pursuant toM.G.L. c.148, § 27A and 527 CMR.MANUAL FIRE ALARM BOX. A manuallyoperated device used to initiate an alarm signal.MASTER BOX. A municipal fire alarm box thatmay also be operated by remote means.MODIFICATIONS, ALTERATIONS,ADDITIONS OR DELETIONS TO FIREPROTECTION SYSTEMS. Any changes whichaffect the performance of the fire protection system.(Also see maintenance). Such changes require abuilding permit and are subject to other permittingrequirements pursuant to M.G.L. c. 148, § 27A.MULTIPLE-STATION ALARM DEVICE. Twoor more single-station alarm devices that are capableof interconnection such that actuation of one causesall integral or separate audible alarms to operate. Italso can consist of one single-station alarm devicehaving connections to other detectors or to a manualfire alarm box.MULTIPLE-STATION SMOKE ALARM. Twoor more single-station alarm devices that are capableof interconnection such that actuation of one causesall integral or separate audible alarms to operate.MUNICIPAL FIRE ALARM SYSTEM. Asystem of alarm initiating devices, receiving224equipment, and connecting circuits (other than apublic telephone network) used to transmit alarmsfrom street locations to the public fire servicecommunications center.NIGHTCLUB. An occupancy characterized by anyof the following: no theatrical stage accessories otherthan raised platform; low lighting levels;entertainment by a live band or recorded musicgenerating above-normal sound levels; later-thanaverage operating hours; tables and seating arrangedor positioned so as to create ill defined aisles; aspecific area designated for dancing; servicefacilities primarily for alcoholic beverages withlimited food service; and high occupant load density.A nightclub may not include occupancies used fororganized private dining events with the followingcharacteristics: used for events that feature a meal asthe primary attraction; used for events that areorganized for the purpose of a private function,attendance for each specific event is limited and prearranged between the facility operator and theprivate event organizers, the number of guests islimited by written invitation or limited ticketavailability and does not exceed the agreed uponattendance limit; each event has a definite startingand ending time; tables and chairs are arranged inwell-defined aisles in such a manner to not impedeeasy egress; there are no significantly low lightinglevels; the maximum documented legal capacity,based upon the available floor space, is not less than15 feet (net) per occupant; the characteristics ofevents are strictly controlled by an on-site managerand are made part of a written function eventcontract.”NUISANCE ALARM. An alarm caused bymechanical failure, malfunction, improper installation or lack of proper maintenance, or an alarmactivated by a cause that cannot be determined.PRE-ACTION SYSTEMS. A fire sprinkler systememploying automatic sprinklers attached to a pipingsystem containing air with a supplemental firedetection system installed in the same areas as theActuation of the fire detection system automaticallyopens a valve that permits water to flow into thesprinkler piping system and to be discharged fromany open sprinklers.PROPRIETARY SUPERVISING STATION.Refer to the definition in NFPA-72 and to furtherdetails as identified in NFPA-72 as listed in780 CMR 35.00.RECORD DRAWINGS. Drawings (“as builts”)that document the location of all devices, appliances,wiring sequences, wiring methods and connectionsof the components of a fire alarm system as installed.REGISTERED PROFESSIONAL ENGINEER.A Registered Professional Engineer registered by theBoard of Registration of Professional Engineers and780 CMR - Seventh Edition8/22/08 (Effective 9/1/08)

780 CMR: STATE BOARD OF BUILDING REGULATIONS AND STANDARDSFIRE PROTECTION AND LIFE SAFETY SYSTEMSof Land Surveyors in accordance with M.G.L. c. 112,§§ 81D through 81T and 250 CMR.REMOTE STATION FIRE ALARM SYSTEMSUPERVISING STATION.Refer to thedefinitions in NFPA-72 and to further details asidentified in NFPA-72 as listed in 780 CMR 35.00.SINGLE-STATION SMOKE ALARM. Anassembly incorporating the detector, the controlequipment and the alarm-sounding device in oneunit, operated from a power supply either in the unitor obtained at the point of installation.SHOP DRAWINGS. Scaled detailed workingdrawings (system layout) and equipmentspecifications (cut sheets) indicating all informationin accordance with requirements of the applicableNFPA Standards for the specific fire protectionsystems to be installed in accordance with the plansand specifications prepared by a Registered Professional Engineer or Legally Recognized Professional.SMOKE ALARM. A single- or multiple-stationalarm responsive to smoke and not connected to asystem

780 CMR 33.00 and NFPA-241 listed in 780 CMR 35.00 in order to safeguard against fires during construction, alterations and demolition of all buildings and structures regulated by 780 CMR. 901.7.2 Authority. In accordance with the requirements of 780 CMR 110.0 and 780

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