Chapter 1 Material and Equipment Application Procedures

Chapter 2 Boiler Inspections

Chapter 3 Vacant and Unguarded Buildings

Chapter 4 Certificates of Occupancy, Live Loads and Occupancy Loads

Chapter 5 Concrete

Chapter 6 Cranes

Chapter 8 Demolition

Chapter 9 Rigging Operations

Chapter 10 Drums for Derrick Load and Boom Hoists

Chapter 11 Elevators, Escalators, Personnel Hoists and Moving Walks

Chapter 12 Emergency Power Systems

Chapter 13 Adjudications

Chapter 14 Fees [Repealed]

Chapter 15 Fire Protection

Chapter 16 Inspection of Existing Structures During Construction Operations

Chapter 17 Testing Laboratories and Testing Services

Chapter 18 Resistance to Progressive Collapse Under Extreme Local Loads

Chapter 19 Master Plumbers and Licensed Fire Suppression Piping Contractors

Chapter 20 Piping Systems

Chapter 21 Plans

Chapter 22 Pressure Tanks

Chapter 23 Noncommercial Greenhouses

Chapter 24 Refuse Chutes and Refuse Rooms

Chapter 25 Climber and Tower Crane Riggers

Chapter 27 Signs

Chapter 28 Smoke Detecting Devices and Systems and Carbon Monoxide Detecting Devices and Systems

Chapter 29 Sprinkler Systems

Chapter 30 Storage of Certain Waste Materials

Chapter 31 Suspension, Revocation or Limitation of Registration [Repealed]

Chapter 32 Walls [Repealed]

Chapter 33 Exemptions From Civil Penalties

Chapter 34 Electrical Code Rules

Chapter 35 Electrical Inspection

Chapter 36 Electrical Contractors

Chapter 37 Reference Standards

Chapter 38 Ventilation

Chapter 39 Cooling Towers and Evaporative Condensers

Chapter 40 Installation and Maintenance of Gas-Fueled Water and Space Heaters in All Portions of Dwellings Used or Occupied for Living Purposes

Chapter 41 Venting of Gas Water Heaters and Other Gas Appliances in Multiple Dwellings

Chapter 42 Entrance Doors, Locks and Intercommunication Systems

Chapter 43 Installation of Security Items in Multiple Dwellings

Chapter 44 Exemptions From Filing Requirements [Repealed]

Chapter 45 Building Permit Application Procedures

Chapter 46 Authorized Representatives

Chapter 48 Construction Superintendents [Repealed]

Chapter 49 Outdoor Signs

Chapter 50 Distributed Energy Resource Standards

Chapter 51 Dormitories

Chapter 52 Notification to the Department of Commencement of Work Pursuant to an Earthwork Permit

Chapter 100 [Administration; Enforcement; Maintenance of Buildings; Licensing; Miscellaneous Provisions]

Chapter 300 Use and Occupancy Classification

Chapter 400 Special Detailed Requirements Based on Use and Occupancy

Chapter 900 Fire Protection Systems

Chapter 1000 Means of Egress

Chapter 1100 Accessibility

Chapter 3000 Elevators and Conveying Systems

Chapter 3300 Safeguards During Construction and Demolition

Chapter 3500 Referenced Standards

Chapter 3600 Appendices

Chapter 4000 Electrical Code

Chapter 5000 New York City Energy Conservation Code

Chapter 6000 Fuel Gas Code

Chapter 7000 Mechanical Code

Chapter 8000 New York City Plumbing Code

Chapter 9000 Zoning

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   (a)   Applicability.
      (l)   Local Law 62 for the year 1981 requires that all existing dwelling units within Occupancy Group J-1 (which includes Hotels, Motels, Lodging Houses, and Rooming Houses) and Occupancy Group J-2 (which includes Apartment Houses, Apartment Hotels and School Dormitory Buildings), and new buildings or substantially improved or altered buildings in Occupancy Group J-l, J-2 and J-3 (the latter includes One and Two Family Dwellings, Rectories, Convents and Group Homes) to be equipped with approved smoke detecting devices, except such units which contain operational automatic wet sprinkler systems.
      (2)   The devices shall be operational in existing Occupancy Groups J-l and J-2 by January 1, 1982; however, the Commissioner may upon good cause shown extend the period of compliance to June 30, 1982. Appeals to the Commissioner for extension of the period of compliance shall be set forth on a form to be available and filed at the Office of the Commissioner (Attention: The Executive Engineer), Department of Buildings, 60 Hudson Street, New York, N.Y. 10013, no later than December 1, 1981, and contain the following information:
         (i)   The location of the premises, block and lot, the Building Department Application number, if any, the Construction and Occupancy Class, number of dwelling units, estimated number of detectors, type, and where they are to be installed.
         (ii)   The hardship to be considered with regard to the delivery or installation of the equipment.
         (iii)   The proposed time table for compliance.
         (iv)   A copy of the signed contract for the purchase and/or installation of the system. (Cost figures may be deleted.)
         (v)   The application number, as appropriate.
      (3)   The Commissioner will not consider "good cause" appeals unless:
         (i)   The installation is wired into the building's electrical system, or
         (ii)   The number of units in single ownership or management responsibility exceed 500, and a complete schedule for installation is submitted prior to January 1, 1982, or
         (iii)   Special circumstances not covered by subdivisions (i) or (ii) above are involved.
      (4)   Notice of approved extensions are to be forwarded to the Commissioner of the Department of Housing Preservation and Development.
      (5)   The requirements for new buildings within Occupancy Group J-3 and new or substantially improved or altered buildings in Occupancy Group J-1, J-2, or J-3, shall only apply to those for which plans are Approved by the Department of Buildings on or after January 1, 1982.
   (b)   Installation – new, existing and altered buildings.
      (1)   Dwelling units shall be equipped with smoke detecting devices receiving their primary power from the building wiring, and there shall be no switches in the circuit other than the overcurrent device protecting the branch circuit.
      (2)   However, dwelling units in existing buildings may, in the alternative, be equipped with battery-operated smoke detecting devices except where such buildings are substantially improved or altered on or after January 1, 1982.
      (3)   An existing building is one which is within either Occupancy Group J-l or Occupancy Group J-2 for which plans have been approved by the Department prior to December 31, 1981.
      (4)   A building shall be deemed to have been substantially improved or altered if
         (i)   the cost of improvement or alteration exceeds the sum of $150,000 or
         (ii)   50 percent or more of the dwelling units or square feet of the structure are improved or altered and the cost of such improvement or alteration exceeds the sum of $15,000 per dwelling unit or
         (iii)   there has been a change in the occupancy or use of the entire structure.
      (5)   In applying the foregoing provisions where cost is the factor, items falling within the scope of minor alterations or ordinary repairs, as set forth in §§27-124 and 27-125 of the Administrative Code, thereby exempt from permit requirements based on §27-147, as well as any other cost associated with any matters that are not regulated by the Building Code are not included within calculation of the cost, as well as minor applications filed pursuant to Directive 14/75, or for any other miscellaneous applications referred to in §§27-148(c) to (h).
      (6)   Cost of alterations are not cumulative, provided any application filed with this department is signed off as satisfactorily completed prior to the filing of a subsequent application; and, if a Certificate of Occupancy is involved that a final Certificate of Occupancy has been issued for the pertinent application.
   (c)   Equipment requirements.
      (1)   Section 27-981 of the Administrative Code provides that all smoke detecting devices required to be provided andinstalled shall either be approved by the Board of Standards and Appeals, accepted pursuant to Rules and Regulations promulgated by the Commissioner, or be listed by a Nationally Recognized Independent Laboratory that:
         (i)   Maintains periodic inspections of production of listed equipment.
         (ii)   States in its listing that the equipment meets nationally recognized standards.
         (iii)   Maintains a periodic follow-up service of the devices to ensure compliance with the original listing.
      (2)   The following is the current list of Acceptable Testing Laboratories:
            Underwriters' Laboratories, Inc.
            333 Pfingsten Road Tele: (312) 272-8800
            Northbrook, Illinois 60061
            MEA Laboratory No. 1-69-L


            Canadian Standards Association
            178 Rexdale Boulevard Tele: (416) 744-4316
            Rexdale, Ontario M9W IR 3 Canada
            MEA Laboratory No. 25-69-L


            Underwriters' Laboratories of Canada
            7 Crouse Road Tele: (416) 757-3611
            Scarborough, Ontario MIP 3AP Canada
            MEA Laboratory No. 81-80-L.


(The Director of the Materials and Equipment Acceptance Division who maintains the current list of MEA Acceptable Testing Laboratories, will be able to advise interested parties of any changes.)
      (3)   (i)   The device shall be of either the ionization chamber or photoelectric type. The device shall be in compliance with the requirements of:
            REFERENCE STANDARD RS 17-11
            UL No. 217-1980 – Single and Multiple Station Smoke Detectors.
            The device shall be installed in a manner consistent with the requirements of:
            REFERENCE STANDARD RS 17-12
            ANSI/NFiPA No. 74-1980 – Standard for the Installation, Maintenance and Use of Household Fire Warning Equipment, as Modified.  The following sections of this standard are modified to read as follows:
            1-1 Scope. Covers the requirements for the proper selection, installation, operation and maintenance of fire warning equipment for use within dwelling units or rooming units.
            1-2.6 The installation of wiring and equipment shall be in accordance with the New York City Electrical Code.
            2-1.1.1 Smoke detectors shall be installed outside of each separate sleeping area in the immediate vicinity of the rooms used for sleeping purposes in dwelling units in Occupancy Group J-2 and J-3, and in basements and basement recreation rooms in Occupancy Group J-3.  Smoke detectors shall be installed within the sleeping area of hotel or motel units, rooming units or studio dwelling units in Occupancy Group J-1.
            4-5.5 Each smoke detector shall have an integral test means to permit the occupant to check that it is operational. A continuous power display indicator light is recommended.
            5-2.1.4 A smoke detector installed to protect a sleeping area in accordance with 2-1.1.1 shall be located outside the rooms used for sleeping purposes, but in the immediate vicinity of the sleeping area, except as set forth for rooming units.
            5-2.1.6 Smoke detectors shall be located on or near the ceiling and within fifteen feet of all rooms used for sleeping purposes in J-2 or J-3 occupancies. In all dwelling units with multiple levels, when any level has only one means of egress, the dwelling unit shall be provided with smoke detectors on all levels.
            5-2.6.1 If ceiling mounted, the closest edge of the detector shall be a minimum of four inches from any wall.
            5-2.1.6.2 If wall mounted, the closest edge of the detector shall be a minimum of four inches and a maximum of twelve inches from the ceiling.
         (ii)   The following sections of this standard are extracted for informational purposes:
         3-3.1 Household fire warning equipment may be powered by a battery provided that the battery is monitored to assure that the following conditions are met:
            (a)   All power requirements are met for at least one year's life, including weekly testing.
            (b)   A distinctive audible trouble signal is given before the battery is incapable of operating (from aging, terminal corrosion, etc.) the device(s) for alarm purposes.
         5-1.1.6 The supplier or installing contractor shall provide the owner with:
            (a)   An instruction booklet illustrating typical installation layouts.
            (b)   Instruction charts describing the operation, method and frequency of testing and proper maintenance of household fire warning equipment.
            (c)   Printed information for establishing a household emergency evacuation plan.
            (d)   Printed information to inform the owner where he may obtain repair or replacement service and where and how parts requiring regular replacement (such as batteries or bulbs) may be obtained within two weeks.  Note: Owners of buildings in Occupancy Group J-2 are required to pass on all printed information as described in (b), (c) and (d) to the tenant who is responsible for maintaining the unit.  B-2.1 Where to locate the required smoke detectors.  B-2.1.1 The major threat from fire in a family living unit is at night when everyone is asleep. The principal threat to persons in sleeping areas comes from fires in the remainder of the unit; therefore, smoke detector(s) are best located between the bedroom areas and the rest of the unit. In units with only one bedroom area on one floor, the smoke detector should be located as shown in Figure B-2.1.1.
     
Figure B-2.1.1 A smoke detector (indicated by cross) should be located between the sleeping area and the rest of the family living unit.  B-2.1.2 In family living units with more than one bedroom area or with bedrooms on more than one floor, more than one smoke detector may be needed as shown in Figure B-2.1.2.
Figure B-2.1.2 In family living units with more than one sleeping area, a smoke detector (indicated by cross) should be provided to protect each, if the distant requirement of 5-2.1.6 is exceeded.
      (4)   (i)   Buildings with Occupancy Group J-l and including Class "B" multiple Dwellings, may in the alternative be equipped with a line-operated zoned smoke detecting system with central annunciation and central office tie-in for all public corridors and public spaces.
         (ii)   Such system shall be in compliance with the requirements of the Division of Fire Prevention of the Fire Department and the following standards:
            REFERENCE STANDARD RS 17-3  § 13. – Automatic Heat and Smoke Detection System of the standards for the Installation of Fire Sprinkler, Standpipe Smoke Detection, Oxygen, Nitrous Oxide, and other Alarm and Extinguishing Systems.
            REFERENCE STANDARD RS 17-5A  ANSI/NFiPA No. 72A-1979 – Standard for the Installation, Maintenance and Use of Local Protective Signalling Systems for Guard's Tour, Fire Alarm and Supervisory Service.
            REFERENCE STANDARD RS 17-5E  ANSI/NFiPA No. 72E-1979 – Standard of Automatic Fire Detectors.
         (iii)   All devices and equipment shall be approved by the Board of Standards and Appeals.
      (5)   i)   For dwelling units to be equipped with smoke detecting devices receiving their primary power from the building wiring, a Licensed Electrician shall file an application for a Certificate of Electrical Inspection with the Bureau of Electrical Control, Department of Buildings, at the address provided in the City's website, http://www.nyc.gov.
         (ii)   For Buildings within Occupancy Group J-1 (Class "B" Multiple Dwellings) using the alternate provisions of Paragraph D of these Rules, the following shall apply:
            (A)   A Miscellaneous Application shall be filed in the Borough Office of the Department of Buildings, by a Registered Architect or Professional Engineer. All fees are to be paid.
            (B)   A duplicate set of plans and specifications are to be forwarded for examination, approval and inspection to the Electrical Section, Division of Fire Prevention, Fire Department, prior to the signing-off of the application.
            (C)   Notice of approvals shall be forwarded to the Commissioner of the Department of Housing and Preservation.
      (6)   No applications are required to be filed for installation of battery operated devices.
      (7)   It shall be the duty of the owner of a building in Occupancy Group J-2 (Class "A" Multiple Dwelling) to:
         (i)   Provide and install one or more approved and operational smoke detecting devices in each dwelling unit.
         (ii)   Post a notice in a form approved by the Commissioner of the Department of Housing Preservation and Development in a common area of the building, readily visible and preferably in the area of the inspection certificate, informing the occupants of such building, that the owner is required by law to install one or more approved and operational smoke detecting devices in each dwelling unit in the building, and that each occupant is responsible for the maintenance and repair of such devices and for replacing any or all such devices which are stolen, removed, missing or rendered inoperable during the occupancy of such dwelling unit.
         (iii)   Replace any smoke detecting device which has been stolen, removed, missing or rendered inoperable during a prier occupancy of the dwelling unit and which has not been replaced by the prior occupant prior to the commencement of a new occupancy of a dwelling unit.
         (iv)   Replace within thirty calendar days after the receipt of written notice any such device which becomes inoperable within one year of the installation of such device due to a defect in the manufacture of such device and through no fault of the occupant of the dwelling unit.
         (v)   File a certification of satisfactory installation within 10 days after completion with the Department of Housing Preservation and Development, Borough Division of Code Enforcement. This certification shall be set forth on a form available at the H.P.D. Borough Office.
         (vi)   Keep such records as the Commissioner of the Department of Housing Preservation and Development shall prescribe relating to the installation and maintenance of smoke detecting devices in the building and make such records available to the Commissioner of the Department of Housing Preservation and Development and/or the Fire Commissioner (or their representatives) upon request.
      (8)   It shall be the sole duty of the Occupant of each dwelling unit in a building in Occupancy Group J-2 (Class "A" Multiple Dwelling) in which a smoke detecting device has been provided and installed by the owner to:
         (i)   Keep and maintain such device in good repair; and,
         (ii)   Replace any and all devices which are either stolen, removed, missing or rendered inoperable during the occupancy of such dwelling unit.  Note: The occupant of a dwelling unit in which a battery-operated smoke detecting device is provided and installed pursuant to this section shall reimburse the owner a maximum of ten dollars for the cost of providing and installing each such device. The occupant shall have one year from the date of installation to make such reimbursement.
      (9)   It shall be the duty of the owner of a building in Occupancy Group J-l (Class "B" Multiple Dwelling) which is required to be equipped with smoke detecting devices to install and maintain such devices, and to keep such records as the Commissioner of the Department of Housing Preservation and Development shall prescribe relating to the installation and maintenance of smoke detecting devices in each dwelling unit and make such record available to the Commissioner of the Department of Housing Preservation and Development and/or the Fire Commissioner, (or their representatives) upon request.
      (10)   In Occupancy Group J-l all components of the line operated zoned detecting systems, with central annunciators and central office tie-ins shall be inspected and tested by qualified personnel holding a Fire Department Certificate of Fitness for testing and maintaining smoke detecting systems at intervals of not more than six months. In addition, trouble signals shall be tested daily and each sounding device monthly and records of such test be maintained.  For further information, refer to the Board of Standards and Appeals, Rules for Interior Fire Alarm Signal Systems, §8-01 of the B.S.A. rules.
      (11)   Smoke detecting devices and systems installed in accordance with the technical requirements of Divisions C, D and E after publication of this Notice of Opportunity to Comment, may at the option of the owner continue to be operated after the effective date of the promulgation, and modification of such devices and systems will not be required.
   (a)   Definitions.
      (1)   The term "CO" means carbon monoxide.
      (2)   The term "CO alarm" means a "carbon monoxide alarm" as defined in RS 17-14, and shall also mean a "carbon monoxide detecting device" as such term is used in the Subchapter 17 of Chapter 1, and Subchapter 2 of Chapter 2, of Title 27 of the Administrative Code of the City of New York. Such CO alarms may be combined with smoke detecting devices provided that the combined unit complies with the respective provisions of the administrative code, reference standards and departmental rules relating to both smoke detecting devices and CO alarms.
      (3)   The term "dwelling unit" means one or more rooms in a dwelling or building that are arranged, designed, used or intended for use by one or more families, including such units in occupancy groups J-1 (hotels, motels, lodging houses, rooming houses, etc.), J-2 (apartment houses, apartment hotels, school dormitory buildings, etc.) and J-3 (one- and two-family dwellings, rectories, convents, group homes, etc.).
      (4)   The term "fossil fuel" means coal, kerosene, oil, wood, fuel gases and other petroleum products.
      (5)   The term "fuel gases" shall include, but not be limited to, methane, natural gas, liquified natural gas and manufactured fuel gases.
      (6)   The term "fossil fuel burning equipment" shall mean any furnace, boiler, water heater, fireplace, apparatus, appliance or device that burns fossil fuel, excluding household cooking appliances and household (Type 1) gas clothes dryers.
   (b)   Location of CO alarms.
      (1)   In buildings containing dwelling units, including dwelling units classified in occupancy group J-1 (hotels, motels, lodging houses, rooming houses), J-2 (apartment houses, apartment hotels, school dormitory buildings) and J-3 (one- and two-family dwellings, rectories, convents, group homes), CO alarms shall be located as follows:
         (A)   CO alarms shall be installed for the following affected dwelling units:
            (i)   Every dwelling unit located within a building that contains any fossil fuel burning furnace, boiler, or water heater as part of a central system;
            (ii)   Every dwelling unit located within a building served by a central fossil fuel burning furnace, boiler or water heater that is located in an adjoining or attached building.
            (iii)   If not already provided for by (i) or (ii) above, every dwelling unit on the same floor as, the floor below, and the floor above any other fossil fuel burning equipment that is located within the same building; and
            (iv)   If not already provided for by (i) or (ii) above, every dwelling unit on the same floor as, the floor below, and the floor above any enclosed parking that is located in the same building.
         (B)   When a CO alarm is required by 1 RCNY §28-02(b)(1)(A), such CO alarms shall be installed within fifteen feet of the primary entrance to any room used for sleeping purposes. Where the dwelling unit comprises only one room (as in hotels), the CO alarm shall be installed within such room.
         (C)   In J-1 occupancies, the owner may in the alternative elect to install a line-operated zoned CO detecting system with central annunciation and central office tie-in. Such system shall provide a CO alarm:
            (i)   in all public corridors and public spaces at intervals specified by the manufacturer; (ii)  in every room or space that contains a fossil fuel burning furnace, boiler or water heater;
            (iii)   in every room or space adjacent to and on the same floor as the fossil fuel burning furnace, boiler or water heater;
            (iv)   in every dwelling unit on the same floor as, on the floor below, and the floor above a room that contains a fossil fuel burning furnace, boiler or water heater;
            (v)   in every dwelling unit connected by ductwork or ventilation shafts to a room that contains the fossil fuel burning furnace, boiler or water heater; and
            (vi)   in every dwelling unit on the same floor as, the floor below, and the floor above any enclosed parking that is located in the same building.
      (2)   In buildings classified in occupancy groups G and H-2, CO alarms shall be located as follows:
         (A)   Occupied rooms and spaces. CO alarms shall be installed within such rooms or spaces where such rooms or spaces contain any fossil fuel burning equipment.
         (B)   Sleeping rooms. CO alarms shall be installed within fifteen feet of the primary entrance to any room or space used for sleeping purposes in H-2 occupancies such as nursing homes, orphanages, and similar occupancies (except patient rooms in hospitals) located within a building containing any fossil fuel burning furnace, boiler, or water heater as part of a central system. Such CO alarms may be located in public corridors, provided that at least one CO alarm is located within 15 feet of the primary entrance to each sleeping room.
         (C)   Non-occupied rooms and spaces. Supervised CO alarms shall be installed within such rooms or spaces where such rooms or spaces contain any fossil fuel burning equipment. However, in existing buildings classified in occupancy groups G and H-2 that are not substantially altered or improved as per 1 RCNY §28-02(d)(2)(A) of this rule, any required CO alarms may, at the option of the owner, be single-station CO alarms in compliance with the installation requirements of 1 RCNY §28-02(d)(2).
   (c)   Equipment requirements.
      (1)   All CO alarms for occupancy groups J-1, J-2, J-3, G, and H-2 shall be in compliance with RS 17-13, however, for G and H-2 occupancies, the design professional may utilize CO alarms responding to a lower level of CO concentration (PPM) than the reference standard, subject to approval of the department and of the Fire Department of New York.
      (2)   For J-1 occupancies, all line-operated zoned CO detecting systems with central annunciation and central office tie-in shall also comply with the following:
         (A)   The individual alarm that detects CO shall sound locally, and may, at the option of the owner, also sound other alarms on that zone or elsewhere in the building.
         (B)   Each CO alarm shall report to a central station monitoring company approved by the Fire Department of New York as an "alarm signal" and shall be identified to the monitoring company as CO. CO alarm troubles shall be reported to the central station as a "trouble signal."
         (C)   Such system shall be either:
            (i)   powered and supervised by a fire alarm system, installed in accordance with RS 17-3, 3A, or 3B, and connected to a central station transmitter; such system shall comply with RS 17-14 §§ 5.3.7 and 5.3.9; or
            (ii)   powered and supervised by a dedicated CO alarm system, installed in accordance with RS 17-3 and connected to a central station transmitter; such system shall comply with RS 17-14 § 5.3.9.
         (D)   The CO alarms, control panels and central station transmitters of such systems must be approved by the Material Equipment Acceptance Division (MEA).
      (3)   For G and H-2 occupancies, except for existing buildings not substantially altered or improved as per 1 RCNY §28-02(d)(2)(A), supervised CO alarms for non-occupied rooms and spaces shall also comply with the following:
         (A)   Each CO alarm shall sound locally within the non-occupied room or space;
         (B)   Except where the CO alarm signal does not report to a central station monitoring company as provided for in (ii) below, each CO alarm shall report to a central station approved by the Fire Department of New York as an "alarm signal" and shall be identified to the monitoring company as CO. CO alarm troubles shall be reported to the central station as a "trouble signal." Such system shall be either:
            (i)   powered and supervised by a fire alarm system, installed in accordance with RS 17-3, 3A, or 3B, and in accordance with RS 17-14 § 5.3.7; or
            (ii)   powered and supervised by a dedicated CO alarm system, installed in accordance with RS 17-3; however, such system is not required to transmit to a central station monitoring company provided that the system is continually monitored by full time on-site staff during periods that the building is occupied.
         (C)   Such systems' CO alarms, and control panels must be approved by the Material Equipment Acceptance Division (MEA).
   (d)   Installation.
      (1)   Power source. All CO alarms shall be hard-wired, receiving their primary power from the building wiring, in compliance with RS 17-14 § 5.2.2, with secondary battery back-up in compliance with RS 17-14 § 5.2.4. Where more than one hard-wired CO alarm is required within the same dwelling unit, all such alarms shall be interconnected.
      (2)   Existing buildings. Buildings in existence on November 1, 2004, and buildings with work permits issued prior to November 1, 2004, may, in the alternative, be equipped with battery-operated CO alarms compliant with RS 17-14 § 5.2.3 or plug-in type CO alarms with a back-up battery compliant with RS 17-14 § 5.2.4, except where such buildings are substantially improved or altered on or after November 1, 2004.
         (A)   A building shall be deemed to have been substantially improved or altered if:
            (i)   50 percent or more of the dwelling units in occupancy group J-1, J-2, or J-3 are improved or altered and the cost of such improvement or alteration exceeds the sum of $25,000 per dwelling unit;
            (ii)   50 percent or more of the square footage of the structure is improved or altered for J-1, J-2, J-3, G, or H-2 occupancies and the cost of the improvement or alteration exceeds $500,000; or
            (iii)   there has been a change in the occupancy or use of the entire structure to J-1, J-2, J-3, G, or H-2 occupancies.
         (B)   In applying the foregoing provisions where cost is the factor, items falling within the scope of minor alterations or ordinary repairs, as set forth in §§27-124 and 27-125 of the Administrative Code, thereby exempt from permit requirements based on §27-147, as well as any other cost associated with any matters that are not regulated by the Building Code, are not included within calculation of the cost.
         (C)   Costs of alterations are not cumulative, provided any application filed with this department is signed off as satisfactorily completed prior to the filing of a subsequent application; and, if a Certificate of Occupancy is involved, that a final Certificate of Occupancy has been issued for the pertinent application.
         (D)   Time for compliance. The CO alarms shall be operational in existing buildings in occupancy groups J-1, J-2, J-3, G, and H-2 by November 1, 2004; however, the commissioner may upon good cause shown extend the period of compliance to June 30, 2005.
         (E)   Where a dwelling has existing hard-wired smoke detecting devices installed puruant to 1 R.C.N.Y §28-01(b)(1), combination smoke detecting device/CO alarms are not permitted unless the combination units are hard wired.
         (F)   Extension of time for compliance.
            (i)   Appeals to the commissioner for extension of the period of compliance shall be set forth on a form filed at the applicable borough office of the Department of Buildings, no later than December 1, 2004, and contain the following information:
               (aa)   Location of premises, block and lot, Building Department Application number, if any, Occupancy Classification, number of dwelling units, estimated number of CO alarms, type, and where they are to be installed.
               (bb)   The hardship to be considered with regard to the delivery or installation of the equipment.
               (cc)   The proposed time table for compliance.
               (dd)   A copy of the signed contract for the purchase and/or installation of the system. (Cost figures may be deleted).
            (ii)   The Commissioner will not consider "good cause" appeals unless all required annual boiler inspections for the building are filed and up to date and no open boiler violations exist and:
               (aa)   The installation of the CO alarms is hard-wired into the building's electrical system in accordance with RS 17-14 § 5.2.2.; or
               (bb)   The number of units in single ownership or management responsibility exceed 500, and a complete schedule for installation is submitted prior to December 1, 2004; or
               (cc)   Special circumstances not covered by subdivisions (i) or (ii) above are involved.
            (iii)   Notice of approved extensions for J-1, J-2, and J-3 occupancies are to be forwarded to the Commissioner of the Department of Housing Preservation and Development.
      (3)   Reference Standard. CO alarms for J-1, J-2, J-3, G, and H-2 occupancies shall be installed in accordance with RS 17-14.
   (e)   Filing requirements.
      (1)   Application for the installation of any CO alarm system in J-1, G, or H-2 occupancies that connects to a fire alarm system or reports to a central station monitoring company shall be filed with the Department of Buildings and Fire Department of New York following the same administrative procedures as filing of fire alarm applications.
      (2)   Applications for the installation of any CO alarm system in G or H-2 occupancies that is required to be continually monitored may be filed under Directive 14 of 1975 provided:
         (i)   the system is not connected to a fire alarm system; or
         (ii)   the system does not report to a central station monitoring company.
      (3)   Applications for the installation of other hard-wired CO alarms shall be filed with the Bureau of Electrical Control where filing is required by the New York City Electrical Code.
      (4)   For existing buildings that are not substantially improved or altered, installation of single station CO alarms that receive primary power from batteries or that are plug-in type with back-up batteries does not require filing with the Department of Buildings.  Reference Standard 17-13  UL No. 2034, Standard for Single and Multiple Station Carbon Monoxide Detectors, October 29, 1996, with revisions through June 28, 2002.
         Reference Standard 17-14  NFPA No. 720, Recommended Practice for the Installation of Household Carbon Monoxide (CO) Warning Equipment, 2003 Edition, as modified. The following sections of this standard are modified to read as follows (deleted text is in brackets; new text is italicized):
         Title on page 720-4: "NFPA 720 Recommended Practice for the Installation of [Household] Carbon Monoxide (CO) Warning Equipment, 2003 Edition"
         1.1.2 This document is limited to carbon monoxide warning equipment for use in J-1, J-2, J-3, G and H-2 occupancies [family living units] that contain fuel-burning equipment, appliances or fireplaces or have attached garages.
         1.1.3 This document contains recommendations for the selection, installation, operation, and maintenance of equipment that detects concentrations of carbon monoxide that could pose a risk to the health of most occupants [in family living units].
         2.3.1 UL Publication. Underwriters Laboratories, Inc., 333 Pfingsten Road, Northbrook, IL 60062. UL 2034. Standard for Single and Multiple Station Carbon Monoxide Detectors, October 29, 1996, as revised through June 28, 2002. 
         3.2.2* Authority Having Jurisdiction (AHJ). The New York City Department of Buildings, New York City Fire Department, New York City Department of Housing Preservation and Development, and New York City Department of Health and Mental Hygiene. [The organization, office, or individual responsible for approving equipment, materials, an installation, or a procedure.]
         3.3.3 Dwelling [Family Living] Unit. One or more rooms in a building occupied in whole or in part as the temporary or permanent home or residence of one or more families, where such room or rooms are arranged, designed, used or intended for use by one or more families, including such units in occupancy groups J-1 (hotels, motels, lodging houses, rooming houses, etc.), J-2 (apartment houses, apartment hotels, school dormitory buildings, etc.), and J-3 (one- and two-family dwellings, rectories, convents, group homes, etc.). [One or more rooms in a single family detached dwelling, single family attached dwelling, multifamily dwelling, or mobile home for the use of one or more persons as a housekeeping unit with space for eating, living, and sleeping and permanent provisions for cooking and sanitation.]
         3.3.9 Separate Sleeping Area. The area of a dwelling [family living unit] where the bedrooms or sleeping rooms are located.
         3.3.10.1 Alarm Signal. A signal indicating a concentration of carbon monoxide that could pose a risk to the life safety of the occupants [in the family dwelling unit] and requiring immediate attention.
         4.2 Supplemental Functions. Supplemental functions, including the transmission of an alarm beyond the premises [household] should be permitted and should not interfere with the performance recommendations of this document.
         4.3  Total System. Where the AHJ requires both the alarm and transmission beyond the premises [household] and the total system to comply with the applicable sections of [NFPA 72, National Fire Alarm Code] RS 17-3, 17-3A, or 17-3B, the recommendation of Section 5.1 and 5.4.2 of this document shall [should] be followed.
         Title of Chapter 5: Chapter 5 [Household] Carbon Monoxide Warning Equipment
         5.1 Required [Recommended] Protection.
         5.1.1.1 A carbon monoxide detecting alarm or detector shall [should] be centrally located as provided for in § 5.1.2 and 1 R.C.N.Y. §28-02 [outside of each sleeping area in the immediate vicinity of the bedrooms.].
         5.1.1.3 Each alarm or detector shall [should] be located on the wall, ceiling, or other location as specified in the installation instructions accompanying the unit. To help prevent false alarms, such alarm or detector should be located away from sources of humidity such as bathrooms and should be located away from a range or other fossil fuel burning equipment. To prevent damage by occupants, such alarm or detector should be located out of reach of children and pets.
         5.1.2 Alarm notification appliances. Each alarm or detector shall [should] cause the operation of an alarm notification appliance that shall [should] be clearly audible in all bedrooms over background noise with all intervening doors closed, in accordance with Annex A, § A.5.1.1.1.
         5.2.1.1 All power supplies shall [should] have sufficient capacity to operate the signal(s) for at least 12 continuous hours.
         5.2.1.2 For electrically powered household carbon monoxide warning equipment, the primary (main) power source shall [should] be ac, unless otherwise permitted by the following:
            (1)   Detectors and alarms are permitted to be powered by a monitored dc circuit of a control unit when power for the control unit meets the recommendations of section 5.2 and the circuit remains operable upon the loss of primary (main) ac power.
            (2)   A detector and a wireless transmitter that serves only that detector are permitted to be powered from a monitored battery (main) source where part of a listed, monitored, low-power radio (wireless) system.  [(3) In existing construction, a monitored battery primary (main) power source, as described in 5.2.3, is permitted.]
         5.2.2.1 An ac primary (main) power source shall [should] be a commercial light and power supply or other dependable source and shall be provided with a secondary (standby) power supply complying with § 5.2.4.
         5.2.2.2 A visible "power on" indicator shall [should] be provided.
         5.2.2.3 Primary (main) ac power shall [should] be supplied from either a dedicated branch circuit or the unswitched portion of a branch circuit also used for power and lighting.
         5.2.2.4 All electrical systems shall comply with the New York City Electrical Code [designed to be installed by other than a qualified electrician should be powered from a source not in excess of 30 volts that meets the requirements for Class 2 circuits as defined in Article 725 of NFPA 70, National Electrical Code].
         5.2.2.7 The recommendation of 5.2.2.6 does not apply in J-1, J-2, and J-3 occupancies where a ground fault circuit interrupter serves all electrical circuits within the household.
         5.2.2.9 [Where a secondary (standby) battery is provided, the] The primary (main) power supply should be of sufficient capacity to operate the system under all conditions of loading with the [any] secondary (standby) battery disconnected or fully discharged.
         5.2.3 Primary Power Supply – Monitored Battery. [Household] [c]Carbon monoxide warning equipment may [should] be [permitted to be] powered by a battery only where permitted by 1 R.C.N.Y. 28-02 and[,] provided that the battery is monitored to ensure that the following conditions are met:
            (1)   All power recommendations are met for at least one year of battery life, including monthly testing.
            (2)   A distinctive audible trouble signal sounds before the battery is incapable of operating the device(s) (from causes such as aging or terminal corrosion) for alarm purposes.
            (3)   Automatic transfer is proved from alarm to a trouble condition for a unit employing a lock-in alarm feature.
            (4)   The unit is capable of producing an alarm signal for at least 12 hours at the battery voltage at which a trouble signal is normally obtained, followed by not less than 7 days of trouble signal operation.
            (5)   After the initial 4 minutes of alarm, the 5-second "off" time of the alarm signal should be permitted to be changed to 60 seconds ± 10 percent.
         5.2.4.1 When provided, a secondary (standby) power supply shall [should] have sufficient capacity to power the unit for 8 hours, followed by not less than 12 hours of alarm, followed by not less than 7 consecutive days of trouble signals.
         5.2.4.2 After the initial 4 minutes of alarm, the 5-second "off" time of the alarm signal shall [should] be permitted to be changed to 60 seconds ± 10 percent. 
         5.2.4.3 Removal or disconnection of a battery used as a secondary (standby) power source shall [should] cause [an] audible [or] and visible trouble signals.  The word should which indicates recommendation shall be replaced with the word shall which indicates mandated compliance in the following sections:
         5.2.4.6
         5.3.1.3
         5.3.2.1 through 5.3.2.4
         5.3.3.1
         5.3.4.1 and 5.3.4.2
         5.3.5.1 through 5.3.5.3
         5.3.6.1 through 5.3.6.4
         5.3.6.5 Each electrical carbon monoxide system shall [should] have an integral test means to allow the occupants [householder] to test the system operation.  The word should which indicates recommendation shall be replaced with the word shall which indicates mandated compliance in the following sections:
         5.3.7.1 and 5.3.7.2
         5.3.8.1 Where carbon monoxide alarms or detectors are interconnected to fire alarm or combination control units, connection shall [should] be via alarm [supervisory] circuits only, and all alarms and/or detectors and control units shall be certified as compatible by the manufacturer(s) and shall be approved by the Materials Equipment Acceptance Division of the Department of Buildings.  The word should which indicates recommendation shall be replaced with the word shall which indicates mandated compliance in the following sections:
         5.3.8.2 and 5.3.8.3
         5.3.9.1 Supervising station systems requiring transmission of signals to continually staffed locations providing supervising station services (for example, central station service, proprietary stations, or remote stations) shall [should] also comply with the applicable requirements of [Chapter 8 of NFPA 72, National Fire Alarm Code.] 3 R.C.N.Y. 17-01, Rules of the Fire Department of New York.
         5.3.9.2 Where carbon monoxide alarms, detectors, multipurpose detectors, or combination or multiple station alarms or systems are connected to supervising station fire alarm systems, receipt of alarm signals shall [should] be distinctively indicated as "alarm [supervisory] signal carbon monoxide" or other non-fire alarm signal designation acceptable to the AHJ.
         5.3.9.3 Signals received by the supervising station shall [should] be processed by the supervising station personnel in accordance with the rules of the Fire Department of New York. [following recommendations:
            (1)   They should retransmit the supervisory signal to public fire service communications center.
            (2)   The should notify the subscriber by the quickest available method.
            (3)   When the signal results from a pre-arranged test, action recommended by 5.3.9.3 (1) and (2) is not necessary.]
         5.3.10.1 Carbon monoxide warning systems utilizing low-power wireless transmission of signals within the protected [household should] premises shall comply with the applicable requirements of [NFPA 72, National Fire Alarm Code] RS 17-3, 17-3A, or 17-3B, and must be approved by the Material Equipment Acceptance Division (MEA).  The word should which indicates recommendation shall be replaced with the word shall which indicates mandated compliance in the following sections:
         5.4.1.1 through 5.4.1.6
         5.6.1 through 5.6.3
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