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Form a Business

Alterations – Level 1

NYC Admin. Code tit. 28, ch. 12, art. The New York City Existing Building Code, ch. 8
in effect

NYC Existing Building Code § EBC 801 General

Section EBC 801: General 801.1 Scope. Level 1 alterations as described in Section 602 shall comply with the requirements of Chapter 3 and this chapter. 801.2 Compliance. All new construction elements, components, systems, and spaces shall comply with the requirements of the New York City Building Code as new construction, except as specifically stated in this chapter and Chapter 3 as applicable. 801.2.1 Building safety performance and scoring method. As an alternative to compliance with any provision of Sections 803, 804 or 805, the registered design professional of record shall be permitted to elect to comply with Chapter 13 and the rules of the department in accordance with Section 301.1.4. 801.3 New and replacement materials, assemblies and details. Materials, assemblies and details for all new work shall comply with Section 302.4.

NYC Existing Building Code § EBC 803 Building Elements and Materials

Section EBC 803: Building Elements and Materials 803.1 Scope. The requirements of this section are limited to work areas in which Level 1 alterations are being performed, except that they shall apply beyond the work area where specified. The registered design professional of record shall be responsible to verify existing fire-resistive rating conditions of building elements. Use of prior codes to establish lawful existing conditions shall be permitted in accordance with Section 302.8.1. 803.2 Shafts and vertical openings. Existing shafts and vertical openings shall comply with the provisions of Chapter 7 of the New York City Building Code except as stated in Sections 803.2.1 through 803.2.3 of this code for prior code buildings. Where Chapter 7 of the New York City Building Code allows for a reduction of the existing fire resistance rating, the registered design professional of record shall demonstrate compliance with Section 303.2 of this code. 803.2.1 Existing shafts and vertical openings in prior code buildings. Existing interior vertical openings, including shafts connecting 2 or more floors, shall meet the requirements of Sections 803.2.1.1 through 803.2.1.12. Existing shafts and vertical openings that were lawfully enclosed in accordance with a prior code shall not be reduced in fire-resistance rating to meet the requirements of this section. Exceptions: 1. Where vertical opening enclosure is not required by the New York City Building Code. 2. Interior vertical openings other than stairways may be sealed at the floor and ceiling of the work area by construction that is substantively similar to that of the existing floor-ceiling assembly of the work area. 3. An enclosure shall not be required where: 3.1. The opening connects the main floor and a mezzanine; or 3.2. All of the following conditions are met: 3.2.1. The communicating area has a light hazard occupancy or has an ordinary hazard occupancy in accordance with NFPA 13 as modified by Appendix Q of the New York City Building Code; 3.2.2. The communicating area is protected throughout by an automatic sprinkler system; 3.2.3. The communicating area is limited to 2 levels and the lowest or next to the lowest level is a street floor; 3.2.4. The entire area is open and unobstructed in a manner such that it may be assumed that a fire in any part of the interconnected spaces will be readily obvious to all of the occupants. Such open and unobstructed area shall be at least 80 percent of the floor area at each level without intervening partitions; 3.2.5. Exit capacity is sufficient to provide egress simultaneously for all occupants of all levels by considering all areas to be a single floor area for the determination of required exit capacity. The maximum travel distance for all occupants of all levels shall be 75 feet (22 860 mm) within the communicating areas; 3.2.6. Each floor level, considered separately, has at least one-half of its individual required exit capacity provided by an exit or exits leading directly out of that level without having to traverse another communicating floor level or be exposed to the smoke or fire spreading from another communicating floor level; and 3.2.7. The communicating areas are occupied by a single tenant. 803.2.1.1 Group A occupancies. A minimum 1-hour rated enclosure shall be provided to protect all vertical openings not exceeding 3 stories where occupied by the same tenant and when the building is protected throughout by an approved automatic fire sprinkler system. Convenience stairs connecting such stories shall not be considered part of a required means of egress from each story. 803.2.1.2 Group B occupancies. A minimum 1-hour rated enclosure shall be provided to protect all vertical openings not exceeding 3 stories. This enclosure shall not be required for buildings not exceeding 3,000 square feet (279 m2) per floor where both of the following conditions are met: 1. The building is protected throughout by an approved automatic fire sprinkler system; and 2. Convenience stairs connecting such stories shall not be considered part of a required means of egress from each story. 803.2.1.3 Group E occupancies. An enclosure shall not be required for vertical openings not exceeding 3 stories when the building is protected throughout by approved automatic fire sprinkler system and approved fire alarm system. 803.2.1.4 Group F occupancies. An enclosure shall not be required for vertical openings not exceeding 3 stories where a vertical opening is necessary for manufacturing operations, direct access is provided to at least 1 enclosed stairway and the building is protected throughout by an approved automatic sprinkler system. 803.2.1.5 Group H occupancies. An enclosure shall not be required for vertical openings not exceeding 3 stories where a vertical opening is necessary for manufacturing operations, every floor level has direct access to at least 2 remote enclosed stairways or other approved exits and the building is protected throughout by an approved automatic fire sprinkler system and approved fire alarm system. 803.2.1.6 Group M occupancies. A minimum 1-hour rated enclosure shall be provided to protect all vertical openings not exceeding 3 stories. This enclosure shall not be required in buildings protected throughout by an approved automatic sprinkler system and any convenience stair connecting such stories shall not be considered part of a required means of egress from each story. Exception: Malls designed and constructed under prior codes. 803.2.1.7 Group R-1 occupancies. An enclosure shall not be required for vertical openings not exceeding 3 stories where such openings serve public areas and the building is protected throughout by an approved automatic sprinkler system and approved fire alarm system. 803.2.1.8 Group R-2 and I-1 occupancies. A minimum 1-hour rated enclosure shall be provided to protect all vertical openings not exceeding 3 stories. However, vertical openings need not be enclosed within dwelling units in accordance with the following: 1. Vertical openings within dwelling units connecting 2 stories. 2. Vertical openings within dwelling units connecting 3 stories in: 2.1. Combustible buildings protected throughout by an automatic sprinkler system; 2.2. Noncombustible buildings where the dwelling unit containing the vertical opening is protected by an automatic sprinkler system. 803.2.1.9 Group R-3 occupancies. An enclosure shall not be required for vertical openings or shafts in dwellings not exceeding 3 stories above a basement or where the building is protected throughout by an approved automatic sprinkler system. 803.2.1.10 Group S occupancies. An enclosure shall not be required for vertical openings for: 1. Buildings connecting not more than 2 floor levels; 2. Buildings connecting not more than 3 floor levels and the structure is equipped throughout with an approved automatic sprinkler system; or 3. Open parking garages and ramps where vertical opening protection is not otherwise required. 803.2.1.11 Vertical openings exceeding 3 stories. Where vertical openings exceed the limits of Sections 803.2.1.1 through 803.2.10 of this code for Occupancy Groups A, B, E, F, H, M, R-1, R-2, R-3 or S, such openings shall be permitted to be enclosed in accordance with Chapter 7 of the New York City Building Code where the building is protected throughout by an approved automatic sprinkler system. In Occupancy Groups R-1 and R-2 buildings, such enclosure shall not be less than what is required by Appendix D of this code. Buildings in Occupancy Groups E, H and R-1 shall also be provided with fire alarm systems. 803.2.1.12 Group I-2, I-3, and I-4 occupancies. Vertical openings and shaft enclosures shall be permitted to comply with the New York City Building Code where the building is protected throughout by an approved automatic sprinkler system and approved fire alarm system. Existing shafts and vertical openings that are lawfully enclosed in accordance with prior codes shall be considered in compliance with this section. 803.2.2 Supplemental shaft and floor opening enclosure requirements. Where the work area on any floor exceeds 50 percent of that floor area, the enclosure requirements of Section 803.2 shall apply to vertical openings other than stairways throughout the floor. Exception: Vertical openings located in occupied spaces under separate tenancy that are entirely outside the work area. 803.2.3 Supplemental stairway enclosure requirements in prior code buildings. Where the work area on any floor exceeds 50 percent of that floor area, stairways that are part of the means of egress serving the work area shall, at a minimum, be enclosed with 1-hour fire rated construction on the highest work area floor and all floors below. Exception: Where stairway enclosure is not required by the New York City Building Code. 803.2.4 Requirements for non-egress convenience stairway or escalator opening. In an existing building equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 of the New York City Building Code, a shaft enclosure is not required for an escalator opening or stairway which is not a portion of the means of egress and which is protected in accordance with the Section 712 of the New York City Building Code. 803.3 Smoke compartments. In Group I-2 occupancies where the work area is on a story used for sleeping rooms for more than 30 persons sleeping or receiving care or treatment, the story shall be divided into not less than 2 compartments by smoke barrier walls in accordance with Section 407.5 of the New York City Building Code as required for new construction. 803.4 Interior finish. The interior finish of walls and ceilings in exits and corridors in any work area shall comply with the requirements of the New York City Building Code. Exception: In prior code buildings, existing interior finish materials that do not comply with the interior finish requirements of the New York City Building Code shall be permitted to be treated with an approved fire-retardant coating in accordance with the manufacturer’s instructions to achieve the required rating. The fire-retardant coating shall be listed by a Nationally Recognized Testing Laboratory. 803.4.1 Supplemental interior finish requirements. Where the work area on any floor exceeds 50 percent of the floor area, Section 803.4 shall also apply to the interior finish in exits and corridors serving the work area throughout the floor. Exception: Interior finish within occupied spaces under separate tenancy that are entirely outside the work area. 803.5 Guards. Every portion of a floor or walking surface, such as a balcony or a loading dock, that is more than 30 inches (762 mm) above the floor or grade below and is not provided with guards, or those in which the existing guards are not adequate in strength and attachment in accordance with the applicable sections of Chapter 16 of the New York City Building Code, shall be provided with guards designed and installed in accordance with Chapter 10 of the New York City Building Code. 803.6 Vaults and reinforced spaces. Where an alteration to an existing building or space involves the installation of a steel-plated or similarly reinforced or secured vault-like interior in a building or portion thereof, such alteration shall comply with the fire protection requirements of Chapter 9 of the New York City Building Code. 803.7 Windows in Occupancy Groups I-1, R-1, R-2 and R-3. Where the alteration of an existing building in Occupancy Groups I-1, R-1, R-2 or R-3 includes the replacement of windows, the replacement windows shall be subject to the requirements of Sections 803.7.1 through 803.7.3. 803.7.1 Light and air requirements for replacement windows. Replacement windows serving dwelling units in Group I-1, R-1, R-2 or R-3 occupancies shall not reduce the area of glazing or operable area below the requirements of Chapter 12 of the New York City Building Code, except where different requirements provided in Appendix D of this code for certain multiple dwelling classifications apply. Exception. Where replacement windows installed within an existing window frame in R-3 occupancy are required to comply with the New York City Energy Conservation Code, the required window size may be reduced by the thickness of the existing frame. Where replacement of windows in R-3 occupancy requires replacement with a frame/mullions that are larger than the original frame/mullions and results in reduction in glazed area/daylight opening, the new window shall be allowed on condition the new window conforms with all other code requirements. Such reduction shall be minimized to the extent possible. 803.7.2 Window guards in Group R-2 occupancies. Replacement windows shall be subject to the requirements of Section 303.7 of this code and Section 1015.9 of the New York City Building Code with regard to window guards. 803.7.3 Emergency escape and rescue openings. Replacement windows in Group R-2 and R-3 occupancies shall comply with Section 303.8. 803.8 Protection of window openings on lot line air shafts in Group R-2 occupancies. In prior code buildings, where there are windows that open onto a lot line air shaft as defined in Chapter 2 within the work area and any part of such window is less than 3 feet (914 mm) from the lot line or less than 6 feet (1829 mm) from another window on the adjacent building, such window shall be protected in the manner described by Sections 803.8.1 or 803.8.2. For the purpose of this section, separation distance to adjacent buildings shall be measured in any direction to the nearest edges of window openings. 803.8.1 Methods of protection. Within the work area, windows opening on lot line air shafts shall be protected by 1 of the following methods: 1. The window shall be a fire window assembly meeting the requirements of Sections 705.8.2 and 716.6 of the New York City Building Code, and if the window is operable or is required to be operable by Chapter 12 of the New York City Building Code, the window shall be automatic-closing. 2. Where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 of the New York City Building Code, the window shall be protected by a water curtain using automatic sprinklers approved for that use in accordance with Section 705.8.2 (Exception) of the New York City Building Code; or 3. The window is protected by a fire shutter complying with Sections 705.8.2 and 716.6 of the New York City Building Code. 803.8.2 A new sprinkler system is to be installed. Where the installation of a new sprinkler system is proposed throughout a building containing air shaft windows, such windows shall be protected on the interior side, in accordance with Section 705.8.2 (Exception) of the New York City Building Code. 803.9 Existing buildings in fire districts. Alterations made to existing buildings shall comply with Section 302.6 and Sections 803.9.1 through 803.9.3. 803.9.1 Construction type. Every existing building, room, or space hereafter altered shall be of a construction type as indicated in Chapter 6 of the New York City Building Code including the required fire resistance rating of bearing walls, floors, roofs and their supporting structural members. 803.9.2 Roof covering. Roof covering in the fire district shall conform to the requirements of Class A or B roof coverings as defined in Section 1505 of the New York City Building Code. 803.9.3 Existing one- or two-family dwellings. Where an existing one- or two-family detached, zero lot line or semi-detached dwelling of 3 stories or less in height and 2,500 square feet (232 m2) or less in area located within Zoning Districts R-1 through R-5 within Lower Density Growth Management Areas as defined by the New York City Zoning Resolution constructed of Type VA construction, is damaged, only the damaged portions shall be required to be reconstructed to conform to Type VA construction where such buildings are equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 of the New York City Building Code. 803.10 Architectural condition assessment. Where a building is being altered and the work area exceeds 50 percent of the floor area, the registered design professional of record shall visually assess the condition of fire-resistant building elements and assemblies within the work area, and egress elements serving the work area on that same story. The results and findings of the assessment shall be incorporated in the scope of work as needed. Where the assessment reveals unsafe conditions or deteriorated building elements, such elements shall be remediated, and the unsafe conditions corrected. Such building elements and assemblies shall include: 1. Exit doors: fire rating, self-closing mechanism and as required by Section 805, as applicable. 2. Shafts and vertical openings enclosures. 3. Exit stair enclosure and material combustibility. 4. Fire walls and fire-rated partitions including penetrations and protection of windows and doors. 5. Protection of lot line windows. 6. Fire escape and access thereto, including attachment to exterior wall, stairs, balconies, fire protection of windows and railings. Such condition assessment need not be repeated for the same work area unless required by the commissioner. Exception: Alterations of one- and two-family dwellings in occupancy group R-3. 803.10.1 Hazardous conditions. All conditions noted as hazardous to life, safety or health that are not immediately corrected shall be brought to the immediate attention of the commissioner. 803.11 Bearing of joists. For non-fireproof buildings erected prior to December 6, 1968, the ends of floor and roof joists and beams shall not be supported on stud partitions, whether wood stud or metal stud. The ends of such joists and beams shall be supported on masonry, girders, trimmer or header beams. When supported on masonry walls, such joists and beams shall be cut to a bevel of 3 inches (914 mm) in their depth and shall have a bearing of at least 4 inches (102 mm) on the masonry. When supported on girders, such joists and beams shall have bearings of at least 4 inches (102 mm), and may be supported by metal stirrups, hangers or bolted hardwood cleats. Tail beams over eight feet (2438 mm) long and trimmer and header beams shall be hung in approved metal stirrups or hangers and shall be spiked unless supported on a wall or girder. Exception: For buildings that are fully sprinklered and that comply with the height and area limitations of Chapter 5 of the New York City Building Code, connection details for joists and beams shall be permitted to comply with the New York City Building Code.

NYC Existing Building Code § EBC 804 Fire Protection

Section EBC 804: Fire Protection 804.1 Scope. The requirements of this section shall be limited to work areas in which Level 1 alterations are being performed, except that, where specified, they shall apply throughout the floor on which the work areas are located or otherwise beyond the work area. 804.2 Automatic sprinkler systems. Automatic sprinkler systems shall be provided in accordance with the requirements of Sections 804.2.1 through 804.2.8 of this code. Installation requirements, materials and methods shall be in accordance with Chapter 9 of the New York City Building Code. 804.2.1 High-rise buildings. In high-rise buildings, work areas that have exits or corridors shared by more than 1 tenant or that have exits or corridors serving an occupant load greater than 30 shall be provided with automatic sprinkler protection in the entire work area where the work area is located on a floor that has a sufficient sprinkler water supply from an existing standpipe, combined standpipe or a sprinkler riser serving that floor. Exception: If a building does not have sufficient water supply for design of a fire sprinkler system available to the floor without installation of a new fire pump or new water source connection, work areas shall be protected throughout all occupiable spaces not including those in sleeping units or individual dwelling units, and throughout common areas and work spaces such as corridors, lobbies, storage rooms, and equipment rooms, by a partial coverage smoke detection system that activates the occupant notification system in accordance with Sections 907.4, 907.5 and 907.6 of the New York City Building Code. 804.2.1.1 Supplemental automatic sprinkler system requirements. Where the work area on any floor exceeds 50 percent of that floor area, Section 804.2.1 shall apply to the entire floor on which the work area is located. Exception: Occupied spaces under separate tenancy that are entirely outside the work area. 804.2.2 Occupancy Groups A, B, E, F-1, H, I, M, R-1, R-2, S-1 and S-2. In buildings with occupancies in Occupancy Groups A, B, E, F-1, H, I, M, R-1, R-2, S-1 and S-2, work areas that have exits or corridors shared by more than 1 tenant or that have exits or corridors serving an occupant load greater than 30 shall be provided with automatic sprinkler protection where both of the following conditions apply: 1. The work area is required to be provided with automatic sprinkler protection in accordance with the New York City Building Code as applicable to new construction; and 2. The work area exceeds 50 percent of the floor area and is located on a floor that has a sufficient sprinkler water supply from an existing standpipe, combined standpipe or a sprinkler riser serving that floor. Exception: If a building does not have sufficient water supply for design of a fire sprinkler system available to the floor without installation of a new fire pump or new water source connection, work areas shall be protected throughout all occupiable spaces not including those in sleeping units or individual dwelling units, and throughout common areas and work spaces such as corridors, lobbies, storage rooms, and equipment rooms, by a partial coverage smoke detection system that activates the occupant notification system in accordance with Sections 907.4, 907.5 and 907.6 of the New York City Building Code. 804.2.2.1 Mixed uses. In work areas containing mixed uses, 1 or more of which requires automatic sprinkler protection in accordance with Section 804.2.2, such protection shall not be required throughout the work area provided that the uses requiring such protection are separated from those not requiring protection by fire-resistance-rated construction having a minimum 2-hour rating for Occupancy Group H and a minimum 1-hour rating for all other occupancy groups. 804.2.3 Sprinkler protection required. Work areas located in above or below grade stories where such stories are required to be sprinklered in accordance with Sections 903.2.11.1 through 903.2.11.3 of the New York City Building Code shall be sprinklered where the building has a sufficient water supply without installation of a new fire pump. 804.2.3.1 Supplemental automatic sprinkler system requirements. Where the work area on any above or below grade story exceeds 50 percent of the area of that story, Section 804.2.3 shall apply to the entire story on which the work area is located. Exception: Occupied spaces under separate tenancy that are entirely outside the work area. 804.2.4 Other required automatic sprinkler systems. In buildings and areas listed in Table 903.2.11.10 of the New York City Building Code, work areas that have exits or corridors shared by more than 1 tenant or that have exits or corridors serving an occupant load greater than 30 shall be provided with an automatic sprinkler system where both of the following conditions apply: 1. The work area is required to be provided with an automatic sprinkler system in accordance with the New York City Building Code applicable to new construction; and 2. The building has sufficient water supply available to the floor for the design of an automatic sprinkler system without installation of a new fire pump or new water service connection. 804.2.5 Supervision. Automatic sprinkler systems required by this section shall be supervised in accordance with Chapter 9 of the New York City Building Code. 804.2.6 Corridor ratings. Where an approved automatic sprinkler system is installed throughout the story, and throughout the stories immediately above and below the work area, the required fire-resistance rating for any corridor located on the story of the work area shall be permitted to be reduced in accordance with the New York City Building Code. Exception: Where the dead-end corridor length exceeds that permitted by the New York City Building Code, the required fire-resistance rating for the entire corridor shall not be permitted to be reduced. 804.2.7 Protection of lot line air shaft openings. Where a sprinkler system is being installed in a building, lot line shaft openings shall be protected in the manner described by Section 803.8. 804.2.8 Special provisions for prior code buildings. In addition to compliance with Sections 804.2.1 through 804.2.7, existing sprinkler system and components in prior code buildings may comply with Sections 804.2.8.1 and 804.2.8.2. 804.2.8.1 Existing single compartment fire reserve tanks. Existing single compartment fire reserve tanks with a volume of 15,000 gallons (56781 L) or more that are to be replaced shall be compartmented and sized in conformance with the New York City Building Code. Exception: Existing single compartment fire reserve tanks, with a volume of 15,000 gallons (56781 L) or more, constructed in accordance with the prior codes, shall be permitted to remain. 804.2.8.2 Automatic sprinkler existing water supply. The water supply demand for a sprinkler system shall be calculated in accordance with the New York City Building Code and shall include the demand incurred by any new sprinkler heads installed and any existing sprinklers that shall remain. The existing water supply shall be permitted to remain provided that the newly calculated sprinkler system water supply demand does not exceed the existing system water supply capacity. Exception: Where the existing sprinkler system water supply demand is calculated by taking the reduction in size of the calculated remote area of operation as permitted by NFPA 13 as modified by Appendix Q of the New York City Building Code, and such system is supplied by a fixed duration water supply of less than 5,000 gallons (18927 L), a supplemental water supply demand calculation shall be made without taking the area reduction. 804.2.8.2.1 Existing water supply insufficient to meet newly calculated demand. Where the newly calculated water supply demand exceeds the existing system water supply capacity, the existing water supply shall be modified to provide the newly required sprinkler system demand. Where the addition or modification of water reserve tanks is impracticable, a reduction of storage to a 20-minute duration in light hazard occupancies shall be permitted, as approved by the department, provided that the reduction in size of the calculated remote area of operation as described in the exception to Section 804.2.8.2 is not taken, and that mechanical automatic means of makeup to the storage tank are installed in accordance with the following: 1. Automatic means of makeup for a tank fire reserve shall be capable of pumping water into the tank, for a period of 20 minutes, at a rate sufficient to equal the difference between the normal 30-minute demand and the alternate 20-minute demand. The demand required shall be calculated for the most demanding remote area from the riser without taking the reduction in size of the remote area otherwise permitted by NFPA 13 as modified by Appendix Q of the New York City Building Code; 2. Where the domestic water house pumps are used for makeup, at least 2 pumps, each of sufficient capacity to meet the makeup requirement, shall be provided; and 3. A low water alarm, listed for its use, shall be located at a point 500 gallons (1893 L) above the fire level reserve. 804.3 Standpipes. Where the alteration work includes the addition or replacement of an entire exit stair shaft that is a required means of egress, the entire interior exit stair shaft shall be equipped with a standpipe in accordance with Section 905 of the New York City Building Code. 804.3.1 Connection of fire pumps to emergency power system. The installation of new or replacement of existing fire pumps shall comply with Section 308.4 relating to connection to emergency power system in existing buildings. 804.4 Fire alarm and detection. An approved fire alarm system shall be installed in accordance with Sections 804.4.1 through 804.4.7. An approved automatic fire detection system shall be installed in accordance with the provisions of this code and NFPA 72 as modified by Appendix Q of the New York City Building Code. Devices, combinations of devices, appliances and equipment shall be approved. The automatic fire detectors shall be smoke detectors, except that an approved alternative type of detector shall be installed in spaces such as boiler rooms, where products of combustion are present during normal operation in sufficient quantity to actuate a smoke detector. 804.4.1 Occupancy requirements. A fire alarm system shall be installed in accordance with Sections 804.4.1.1 through 804.4.1.5. Existing alarm-notification appliances shall be automatically activated in accordance with the building’s existing approved fire alarm sequence of operations. Exception: Occupancies with an existing, previously approved fire alarm system. 804.4.1.1 Occupancy Group E and Group I-4. Where the work area exceeds 10 percent of the portion of the building occupied by occupancy Groups E or I-4 or 25 percent of the area of the floor in which the work area is located, a manual and automatic fire alarm system shall be installed throughout the floor. The installation shall be in accordance with the New York City Building Code and the fire alarm control unit shall be designed to accommodate expansion for the entire occupancy. Once the fire alarm coverage exceeds 50 percent of the entire occupancy, the fire alarm installation shall be extended throughout the occupancy. Exception: Where a fire alarm system cannot be installed in accordance with the New York City Building Code, the system shall be approved by both the Commissioner and the Fire Commissioner. 804.4.1.2 Occupancy Group I-1. Where the work area exceeds 10 percent of the portion of the building occupied by occupancy Group I-1 residential care/assisted living facilities or 25 percent of the area of the floor in which the work area is located, a manual and automatic fire alarm system shall be installed throughout the floor in accordance with the New York City Building Code and the fire alarm control unit shall be designed to accommodate expansion for the entire occupancy for existing Group I-1 occupancies. Once the fire alarm coverage exceeds 50 percent of the entire occupancy, the fire alarm installation shall be extended throughout. Exception: Where a fire alarm system cannot be installed in accordance with the New York City Building Code, the system shall be approved by both the Commissioner and the Fire Commissioner. 804.4.1.3 Occupancy Group I-2. A fire alarm system shall be installed throughout Group I-2 occupancies in accordance with the New York City Building Code. 804.4.1.4 Occupancy Group I-3. Where the work area exceeds 10 percent of the portion of the building occupied by occupancy Group I-3 or 25 percent of the area of the floor in which the work area is located, a manual and automatic fire alarm system shall be installed throughout the floor. The installation shall be in accordance with the New York City Building Code and the fire alarm control unit shall be designed to accommodate expansion for the entire occupancy. Once the fire alarm coverage exceeds 50 percent of the entire occupancy, the fire alarm installation shall be extended throughout. Exception: Where a fire alarm system cannot be installed in accordance with the New York City Building Code, the system shall be approved by both the Commissioner and the Fire Commissioner. 804.4.1.5 Occupancy Group R-1. A fire alarm system shall be installed in Group R-1 occupancies in accordance with the requirements of the New York City Building Code for Group R-1 occupancies. 804.4.2 Control Units. Where the capacity of the existing fire alarm system is not sufficient to support the alteration work in accordance with this section, and a new distributed control panel is added to the system, such new panel may be installed in a similar manner with installation and wiring comparable to the existing, approved fire alarm system. Such control panels shall comply with NFPA 72 as modified by Appendix Q of the New York City Building Code with respect to alarm reset capabilities, and any addressable initiating devices connected to the new distributed control panel shall report individually to the primary fire alarm control unit within the building. 804.4.3 Smoke detection. Smoke detection shall be provided in work areas in accordance with Sections 804.4.3.1 and 804.4.3.3. 804.4.3.1 Smoke detection in individual sleeping and dwelling units. Individual sleeping units and individual dwelling units in any work area in Group R and I-1 occupancies, where applicable, shall be provided with smoke detection in accordance with the New York City Building Code. Exceptions: 1. Interconnection of smoke alarms outside of the work area to those installed inside the work area in accordance with this code shall not be required. 2. Existing I-1 occupancies that utilize smoke alarms for individual sleeping units or individual dwelling units are permitted to install smoke alarms in the work area in lieu of smoke detectors. 804.4.3.1.1 Smoke and carbon monoxide alarms in dwelling units during alterations involving removal of existing interior finishes in prior code buildings. Smoke and carbon monoxide alarms complying with the location, interconnection and power source requirements of Chapter 9 of the New York City Building Code shall be provided throughout a dwelling unit when alteration work results in the removal of existing and/or installation of new interior wall or ceiling finishes permitting the installation of concealed wiring for all the required alarms throughout the dwelling unit. 804.4.3.2 Smoke detection in other spaces. Where required by Chapter 9 of the New York City Building Code, in buildings that have an existing approved fire alarm system, smoke detection shall be provided in the following spaces when such spaces are included within the work area: 1. In each mechanical equipment, electrical, transformer, telephone equipment or similar room, in elevator machine rooms and in elevator lobbies. 2. In air distribution systems in accordance with Section 606 of the New York City Mechanical Code. 804.4.3.3 Smoke detectors in elevator lobbies and elevator landings of Group R-2 occupancies. Where a new or upgraded fire alarm system is installed in a Group R-2 occupancy building in accordance with Chapter 9 of the New York City Building Code, the smoke detectors required to be installed at elevator lobbies, elevator landings, elevator machine rooms, or elevator hoistways shall be programmed to initiate Phase I emergency operations. 804.4.4 Location of fire alarm control equipment. Fire alarm equipment and associated wiring shall be located in spaces within buildings in accordance with the New York City Building Code. Exception. In prior code buildings, fire alarm control equipment and associated wiring may be installed in exit enclosures provided that such installations do not reduce the egress width below that required by code and a smoke detector need not be installed at the location of such fire alarm control unit. 804.4.5 Existing Mini class “E” and Advisory class “E” systems in prior code buildings. Replacement of existing Mini class E and Advisory class E systems shall be made to comply with Chapter 9 of the New York City Building Code for that building or space. 804.4.6 Existing fire alarm systems in prior code places of assembly used as a cabaret. Replacement of existing fire alarm systems in cabarets shall be made to comply with Chapter 9 of the New York City Building Code for that building or space. 804.4.7 Fire alarm system alterations and replacements in existing buildings. Existing, approved fire alarm systems undergoing alterations or being replaced shall comply with the requirements of Section 804.4.7.1 through 804.4.7.5. For the purpose of applying the following sections, alteration applications that have not been signed off shall be cumulatively considered. 804.4.7.1 Replacement of the Fire Command Center (FCC), Fire Command Station (FCS) or Fire Alarm Control Panel (FACP). Where the scope of work constitutes the replacement in kind of the FCC, FCS or FACP, full replacement of the fire alarm system shall not be required provided that the following conditions are met: 1. The sequence of operations shall match that of the existing system. 2. Where the existing power capacity is not adequate, a new connection that complies with the New York City Electrical Code shall be provided to the replacement equipment. 804.4.7.2 Relocation of the Fire Command Center (FCC), Fire Command Station (FCS) or Fire Alarm Control Panel (FACP). Where the scope of work constitutes the relocation of the FCC, FCS, or FACP, the work shall comply with Section 804.4.7.1 and the following additional requirements: 1. The new proposed location shall be approved by the fire commissioner. 2. Existing power wiring and existing fire alarm system wiring may be utilized. Splicing of existing power wiring and existing fire alarm system wiring is prohibited. 3. Where an FCC, FCS or FACP is relocated, proximity requirements for related systems and controls shall be maintained including, but not limited to, elevator control panels and mechanical fan control panels. 804.4.7.3 System technology upgrade. A system technology upgrade to an existing, approved fire alarm system shall comply with Sections 804.4.7.3.1 through 804.4.7.3.8. Where the scope of work includes upgrade or replacement of the Fire Command Center (FCC), Fire Command Station (FCS), or Fire Alarm Control Panel (FACP), and also includes the upgrade, replacement or addition of fire alarm control unit(s), a system replacement is not required provided that no more than 2 of the following thresholds are exceeded: 1. More than 75 percent of existing notification appliances are replaced in kind. 2. Power-limited fire alarm (PLFA) wiring between control unit(s) and initiating devices or notification appliances is replaced in more than 25 percent of the building's floor area. 3. More than 75 percent of the sum of existing initiating devices and existing emergency control function interface equipment are altered or replaced in kind. The percentage calculation shall not include any initiating devices being added to comply with selective coverage smoke detection requirements of Section 907.2 of the New York City Building Code. 4. More than 75 percent of the sum of existing warden telephone stations and firefighter telephones are replaced in kind. 804.4.7.3.1 Control units. New or upgraded control units may be located in the same room or location as the existing control units. 804.4.7.3.2 Circuits. Fire alarm system wiring used to interconnect control units shall meet the class and survivability requirements of the New York City Building Code applicable to new systems. 804.4.7.3.3 Smoke detection. Selective coverage smoke detection as required by Section 907.2 of the New York City Building Code shall be installed. 804.4.7.3.4 Notification appliance circuits. All notification appliance circuits shall be supervised upon completion of the system technology upgrade. 804.4.7.3.5 Operation sequence. The system’s operation sequence shall be modified to comply with that required for a new building of the same characteristics. 804.4.7.3.6 Power connections. Where the existing power capacity serving the existing fire alarm system is not adequate to power the upgraded fire alarm system, new AC power connections shall be provided for all upgraded fire alarm control equipment in accordance with the New York City Electrical Code. 804.4.7.3.7 Wiring. Existing wiring not affected by the upgrade shall be permitted to remain. 804.4.7.3.8 Existing to remain. Existing, functional initiating devices and notification appliances not affected by the upgrade shall be permitted to remain. 804.4.7.4 System replacement. Where the scope of work includes a full replacement of the existing, approved fire alarm system, the system shall be installed in accordance with Section 907 of the New York City Building Code and in accordance with the applicable sections of the New York City Electrical Code. 804.4.7.5 Emergency and standby power for fire alarm upgrades and replacements in prior code buildings. Where a fire alarm system is being altered or replaced in accordance with Section 804.4.7, and where the existing building does not have an on-site generator for emergency or standby power loads, installation of a generator to provide secondary power to the fire alarm system shall not be required. However, where the existing building does have an on-site generator for emergency or standby power loads, connection of the upgraded fire alarm system to the existing generator in accordance with Chapter 27 of the New York City Building Code shall be required.

NYC Existing Building Code § EBC 805 Means of Egress

Section EBC 805: Means of Egress 805.1 Scope. The requirements of this section shall be limited to work areas that include exits or corridors shared by more than 1 tenant within the work area in which Level 1 alterations are being performed, except that, where specified for supplemental requirements, they shall apply throughout the floor on which the work areas are located or otherwise beyond the work area. 805.2 General. The means of egress shall comply with the requirements of this section and Section 305. 805.3 Number of exits. The number of exits shall be in accordance with Sections 805.3.1 through 805.3.3. 805.3.1 Minimum number. Every story utilized for human occupancy on which there is a work area that includes exits or corridors shared by more than 1 tenant within the work area shall be provided with the minimum number of exits based on the occupancy and the occupant load in accordance with the New York City Building Code and Section 305.5.1 of this code. In addition, the exits shall comply with Sections 805.3.1.1 through 805.3.1.3. 805.3.1.1 Single-exit buildings. Only 1 exit is required from buildings and spaces when permitted by Section 1006.3 of the New York City Building Code. 805.3.1.1.1 Prior code buildings. In prior code buildings, 1 means of egress shall be permitted from floors in: 1. One- and two-family dwellings classified in Occupancy Group R-3. 2. Buildings classified in Occupancy Group B that are not more than 60 feet (18 288 mm) in height, have a gross area of 2,000 square feet (186 m2) or less per floor, and have a maximum travel distance of 50 feet (15 240 mm) on any floor. 3. Buildings classified in Occupancy Group R-2 that are of noncombustible construction, have a gross area of 2,000 square feet (186 m2) or less per floor, and have a maximum travel distance of 50 feet (15 240 mm) on any floor. 4. Buildings classified in Occupancy Group R-1 or R-2 that are not more than 2 stories and not more than 30 feet (9 144 mm) in height and have a maximum travel distance of 80 feet (24 384 mm), and the corridors and stair enclosure are provided with automatic sprinkler protection. 5. Buildings classified in Occupancy Group R-2 occupied exclusively by not more than one family on each story without boarders, roomers or lodgers and that are not more than 3 stories and not more than 40 feet (12 192 mm) in height, and the stair enclosure is provided with automatic sprinkler protection and without openings between any garage and the exit passageway. 6. Buildings classified in Occupancy Group R-2 that are not more than 3 stories and not more than 40 feet (12 192 mm) in height and occupied by not more than 4 families on each story, and the building is protected with an automatic sprinkler system. 7. Buildings constructed pursuant to codes prior to the 1968 Building Code with a floor area of 2,500 square feet (232.25 m2) or less and 75 feet (22 860 mm) or less in height, only 1 required stairway need be provided when the occupancy on any floor above grade is 1 person for each 50 square feet (4.6 m2) or more of floor area. 805.3.1.2 Multilevel dwelling units. Multilevel dwelling units occupying a part of not more than 2 floors in buildings classified in Occupancy Group R-2 shall comply with Chapter 10 of the New York City Building Code. Exception: In multilevel dwelling units occupying a part of not more than 2 floors in prior code buildings classified in Occupancy Group R-2, an exit shall not be required from every level of the dwelling unit provided that all of the following conditions are met: 1. The building is of noncombustible construction; 2. One level of the dwelling unit shall be the exit level with exit access doorway to 2 means of egress or as permitted by Section 805.3.1.1.1, and the other level is provided with a balcony connecting such level to an adjacent dwelling unit, in accordance with Section 305.5.19; 3. The maximum travel distance within the dwelling unit does not exceed 50 feet (15 240 mm) from any room within such dwelling unit measured to the centerline of the exit access door providing access to the 2 means of egress; and 4. The connecting stair shall be at least 2 feet 6 inches (762 mm) in width and terminate not more than 20 feet (6096 mm) from the exit access door on the exit level. However, a greater width may be required pursuant to Chapter 11 of the New York City Building Code. 805.3.1.3 Fire escapes required. Where permitted by Section 305.5.16 in prior code buildings, an existing fire escape or newly constructed fire escape shall be accepted as providing 1 of the required means of egress. 805.3.2 Mezzanines. Mezzanines in the work area and with an occupant load that exceeds that permitted by Table 805.4.1.1 or in which the travel distance to an exit exceeds 75 feet (22 860 mm) shall have access to at least 2 independent means of egress. Exception: Travel distance may be extended to 100 feet (30 480 mm) including path of travel along connecting stair where the building is protected throughout with an automatic sprinkler system. 805.3.3 Main exit – Occupancy Group A. All buildings classified in Occupancy Group A with an occupant load of 300 or more shall be provided with a main entrance capable of serving as the main exit with an egress capacity of at least one-half of the total occupant load. The remaining exits shall be capable of providing one-half of the total required exit capacity. Exceptions: 1. Where there is no well-defined main exit or where multiple main exits are provided, exits shall be permitted to be distributed around the perimeter of the building provided that the total width of egress is not less than 100 percent of the required width. 2. Existing places of assembly with valid Place of Assembly Certificates of Operation in prior code buildings. 3. Existing special occupancy structures. 805.4 Egress doorways. Egress doorways in any work area shall comply with Section 1006 of the New York City Building Code and Sections 805.4.1 through 805.4.5 of this code. 805.4.1 Required number of exits or exit access doorways. Work areas shall be provided with exits or exit access doorways in accordance with the requirements of Section 1006.2 of the New York City Building Code except as stated in Sections 805.4.1.1 and 805.4.1.2 of this code. 805.4.1.1 Required number of exits and exit access doorways in prior code buildings. In any work areas in prior code buildings, all rooms and spaces having an occupant load not greater than specified in Table 805.4.1.1 shall be permitted to have 1 exit access doorway. In work areas in prior code buildings, rooms and spaces having an occupant load greater than specified by Table 805.4.1.1 shall have a minimum of 2 exit access doorways. Table 805.4.1.1 Maximum Occupant Load for Spaces with One Exit Access Door in Prior Code Buildings OCCUPANCY GROUP CLASSIFICATION MAXIMUM OCCUPANT LOAD WITH 1 EXIT ACCESS DOOR H 10 S 50 M 74 F 50 B 74 A 74 E 74 I-1, I-2, I-3, I-4 15 R-1, R-2, R-3 20 805.4.1.2 Occupancy Group I-2. In buildings classified as Group I-2 occupancy, any patient sleeping room or suite of patient rooms greater than 1,000 square feet (93 m2) within the work area shall have a minimum of 2 egress doors. 805.4.2 Door swing. In the work area, all means of egress doors serving rooms or spaces requiring more than 1 exit access door shall swing in the direction of exit travel. All means of egress doors from work areas that include an automatic teller machine (“ATM”) shall swing in the direction of exit travel. 805.4.2.1 Supplemental requirements for door swing. Where the work area exceeds 50 percent of the floor area, door swing shall comply with Section 805.4.2 throughout the floor. Exception: Means of egress within or serving only an occupied space under separate tenancy that is entirely outside the work area. 805.4.3 Door closing. In any work area, all doors opening onto an exit passageway at grade or an exit stairway shall be self-closing or automatic-closing by listed closing devices. Exception: Where exit enclosure is not required by the New York City Building Code. 805.4.3.1 Supplemental requirements for door closing. Where the work area exceeds 50 percent of the floor area, door closing shall comply with the following requirements: 1. New or existing fire doors opening from the work area to exit stairways, exit passageways at grade or exit discharge shall comply with Section 805.4.3; and 2. The building owner shall certify, in a form acceptable to the department, that all other fire doors throughout the exit stairway from the level of the work area to the exit discharge, including fire doors to exit passageways and exit discharge, are self-closing or automatic-closing in accordance with Section 716.5.9 of the New York City Building Code. 805.4.4 Panic hardware. In any work area, and in the egress path from any work area to the exit discharge, in buildings or portions thereof classified as Group H occupancies, Groups A and E occupancies with an occupant load greater than 74, and non-accessory tenant spaces or accessory rooms or spaces used for assembly purposes permitted to be classified as Group B occupancies, all required exit doors equipped with latching devices shall be equipped with approved panic hardware. 805.4.4.1 Supplemental requirements for panic hardware. Where the work area exceeds 50 percent of the floor area, panic hardware shall comply with Section 805.4.4 throughout the floor. Exception: Means of egress within an occupied space under separate tenancy that is entirely outside the work area. 805.4.5 Emergency power source in Occupancy Group I-3. Power-operated sliding doors or power-operated locks for swinging doors shall be operable by a manual release mechanism at the door. Emergency power shall be provided for the doors and locks in accordance with Chapter 27 of the New York City Building Code. Exceptions: 1. Emergency power is not required in facilities with 10 or fewer locks complying with the exception to Section 408.4.1 of the New York City Building Code. 2. Emergency power is not required where remote mechanical operating releases are provided. 805.5 Openings in corridor walls. Openings in interior or public corridor walls in any work area shall comply with Sections 805.5.1 through 805.5.4. Exception: Openings in corridors where such corridors are not required to be rated in accordance with the New York City Building Code. 805.5.1 Corridor doors. Corridor doors in the work area shall be constructed to comply with Section 1010 of the New York City Building Code. Exceptions: 1. Existing doors in buildings protected throughout with an approved automatic sprinkler system shall be required only to resist smoke, be reasonably tight fitting and shall not contain louvers. 2. In group homes with a maximum of 15 occupants that are protected with an approved automatic smoke detection system, closing devices may be omitted. 3. Door assemblies having a fire-resistance rating of at least 3/4 of an hour. 4. In prior code buildings classified in Occupancy Group E, in which an approved interior fire alarm system is installed and in which regular supervised fire drills are held, the doors to rooms or spaces devoted exclusively to nonhazardous uses in Occupancy Group E need not be fire rated, provided they are swinging, self-closing 1 3/4-inch solid core wood, and have a maximum area of 720 square inches (18 288 mm2) of 1/4” thick laminated safety glass or fire-rated glass. 805.5.2 Transom openings. Transom openings shall not be permitted in corridor walls. All existing transom openings in corridor walls within the work area shall be sealed with materials consistent with the corridor construction. Exception: Existing transom openings in corridor walls that are not required to be rated in accordance with Chapter 10 of the New York City Building Code. 805.5.3 Other corridor openings. Except as provided in Section 805.5.1 and 805.5.2, in any work area, any sash, grille, or opening in a corridor, and any window in a corridor not opening to the street, yard or court shall be sealed or replaced with materials or assemblies consistent with the corridor construction. 805.5.4 Supplemental requirements for corridor openings. Where the work area on any floor exceeds 50 percent of the floor area, the requirements of Sections 805.5.1 through 805.5.3 shall apply throughout the floor. Exception: Interior corridors in occupied spaces under separate tenancy that are entirely outside the work area. 805.6 Dead-end corridors. Dead-end corridors in any work area shall not exceed 20 feet (6096 mm). Exceptions: 1. Existing buildings that are protected throughout by sprinkler and fire alarm systems shall be permitted to comply with the requirements of Chapter 10 of the New York City Building Code. 2. Dead-end corridors in prior code buildings shall be permitted to comply with Table 805.6. Table 805.6 Maximum Length of Dead-end Corridor (ft.) Occupancy Group Max. Dead-End Length (ft) a Assembly A 30 Business B 50 Educational E 30 b Factory F 50 High Hazard H NP Institutional I-1, I-2, I-4 30 c I-3 40 Mercantile M 50 Residential R-1, R-2 40 R-3 NR Storage S1 50 S2 NR Utility U NR For SI: 1 foot = 304.8 mm. NP – Not Permitted NR – Not Required Notes: a. Except in occupancy group I, when a corridor is completely enclosed in construction having a two-hour fire resistance rating, with all corridor doors being self-closing and having a fire protection rating of 1 and one-half hours, the permissible length of dead ends may be increased 100 percent above the length listed in Table 805.6. b. There shall not be more than 1 classroom on each side of a corridor between an exit and the end of the corridor (dead end). c. There shall be no patient bedrooms between an exit and the end of the corridor (dead end). 805.7 Means-of-egress lighting. Means-of-egress lighting shall be in accordance with this section, as applicable. 805.7.1 Artificial lighting required. Means of egress in all work areas shall be provided with artificial lighting in accordance with the requirements of Chapter 10 of the New York City Building Code. Exception: Modifications to existing places of assembly subject to the limitations of Section 305.5.18.1 of this code in prior code buildings and in existing motion picture theaters, theaters, concert halls, operas and similar places of assembly accommodating more than 300 persons that were established under Article 13 of the 1938 Building Code, including those constructed prior to 1938, shall be provided with lighting in compliance with the requirements applicable when the building was erected, or under the applicable requirements for the place of assembly when the place of assembly permit was issued, whichever is more restrictive. In addition, such existing places of assembly are permitted to comply with the requirements of Chapter 10 of the New York City Building Code. 805.7.2 Supplemental requirements for means-of-egress lighting. Where the work area on any floor exceeds 50 percent of that floor area, means of egress lighting throughout the floor shall comply with Section 805.7.1. Exceptions: 1. Means of egress within or serving only an occupied space under separate tenancy that is entirely outside the work area. 2. Existing means of egress lighting may be maintained where work is limited to change in seating arrangements, stages and platforms in existing places of assembly in prior code buildings pursuant to Section 305.5.18.1.1. 3. Existing means of egress lighting may be maintained in temporary places of assembly pursuant to Section 305.5.18. 805.8 Exit signs. Exit signs shall be in accordance with this section, as applicable. 805.8.1 Work areas. Means of egress in all work areas shall be provided with exit signs in accordance with the requirements of Chapter 10 of the New York City Building Code. Exception: In existing motion picture theaters, theaters, concert halls, operas and similar places of assembly accommodating more than 300 persons that were established under Article 13 of the 1938 Building Code, including those constructed prior to 1938, requirements for exit sign graphics pursuant to Chapter 10 of the New York City Building Code shall not apply to existing exit signs installed under the 1938 Building Code or codes prior to the 1938 Building Code. Existing exit sign graphics may remain or be replaced with similar graphics. 805.8.2 Supplemental requirements for exit signs. Where the work area on any floor exceeds 50 percent of that floor area, means of egress throughout the floor shall comply with Section 805.8.1. Exceptions: 1. Means of egress within an occupied space under separate tenancy that is entirely outside the work area. 2. In existing motion picture theaters, theaters, concert halls, operas and similar places of assembly accommodating more than 300 persons that were established under Article 13 of the 1938 Building Code, including those constructed prior to 1938, requirements for exit sign graphics pursuant to Chapter 10 of the New York City Building Code shall not apply to existing exit signs installed under the 1938 Building Code or codes prior to the 1938 Building Code. Existing exit sign graphics may remain or be replaced with similar graphics. 805.9 Handrails. The requirements of Sections 805.9.1 shall apply to handrails from the work area floor to, and including, the level of exit discharge. 805.9.1 Minimum requirement. In prior code buildings, every required exit stairway that is part of the means of egress for any work area in which the existing handrails are not adequate in strength and attachment in accordance with the applicable sections of Chapter 16 of the New York City Building Code shall be provided with handrails designed and installed in accordance with Section 305.5.13 of this code. 805.10 Refuge areas. Where alterations affect the configuration of an area utilized as a refuge area, the capacity of the refuge area shall not be reduced below that required in Sections 805.10.1 and 805.10.2. 805.10.1 Capacity. The required capacity of refuge areas shall be in accordance with Sections 805.10.1.1 through 805.10.1.3. 805.10.1.1 Occupancy Group I-2. In Group I-2 occupancies, the required capacity of the refuge areas for smoke compartments in accordance with Section 407.5.1 of the New York City Building Code shall be maintained. 805.10.1.2 Occupancy Group I-3. In Group I-3 occupancies, the required capacity of the refuge areas for smoke compartments in accordance with Section 408.6.2 of the New York City Building Code shall be maintained. 805.10.1.3 Ambulatory care. In ambulatory care facilities required to be separated by Section 422.2 of the New York City Building Code, the required capacity of the refuge areas for smoke compartments in accordance with Section 422.4 of the New York City Building Code shall be maintained. 805.10.2 Horizontal exits. The required capacity of the refuge area for horizontal exits in accordance with Section 1026.4 of the New York City Building Code shall be maintained. 805.11 Guards. The requirements of Section 805.11.1 shall apply to guards from the work area floor to, and including, the level of exit discharge but shall be confined to the egress path of any work area. 805.11.1 Minimum requirement. Every open portion of a stairway, landing or balcony that is more than 30 inches (762 mm) above the floor or grade below and is not provided with guards, or those portions in which existing guards are judged to be in danger of collapsing, shall be provided with guards designed and installed in accordance with Chapter 10 of the New York City Building Code. 805.12 New egress stairs. Where the work area includes the construction of a new egress stair in a new shaft, such new stair shall comply with all the requirements of Chapter 10 of the New York City Building Code. 805.12.1 Replacement of stair within an existing shaft. Existing stairs may be replaced within the existing shaft provided that they comply with Sections 305.5.11, 305.5.13 and 305.5.15. 805.13 Escalators. Replacement or alteration of existing escalators that were approved to be used as a second means of egress in prior code buildings shall be permitted to serve such purpose in compliance with Section 305.5.17. No new escalators shall be used as a component of a required means of egress.

NYC Existing Building Code § EBC 806 Accessibility

Section EBC 806: Accessibility 806.1 General. A building, facility, or element that is altered shall comply with Chapter 11 of the New York City Building Code, Section 306 of this code and this section. 806.1.1 Extent of application. An alteration of an existing element, space, or area of a facility shall not be required to provide a greater level of accessibility than that which would be required for new construction. Alterations shall not reduce or have the effect of reducing accessibility of a facility or portion of a facility. 806.2 Compliance. A facility that is altered shall comply with the applicable provisions in Sections 806.2.1 through 806.2.14 of this code and Chapter 11 of the New York City Building Code to the extent of the alteration, unless it is technically infeasible. Where compliance with this section is technically infeasible, the applicant of record shall seek a commissioner’s waiver in accordance with Section 306.3 of this code. A facility that is constructed or altered to be accessible shall be maintained accessible during occupancy. Exceptions: 1. Where Chapter 11 of the New York City Building Code would exempt the altered element or space from compliance, if it were new construction. 2. Accessible means of egress required by Chapter 10 of the New York City Building Code are not required to be provided in existing facilities. 806.2.1 Entrances and accessible routes. Where an alteration includes alterations to an entrance or a route that would be required to be accessible by this code, such entrance and route shall be made accessible in accordance with Chapter 11 of the New York City Building Code. 806.2.2 Elevators. Altered elements of existing elevators shall comply with ASME A17.1/CSA B44 as amended by Appendix K of the New York City Building Code and ICC A117.1. Where such altered elevator is part of a bank of elevators that are programmed to respond to the same hall call control panel, similar elements of the other elevators shall also be altered to comply. 806.2.3 Platform lifts in existing buildings. In existing buildings, platform (wheelchair) lifts installed pursuant to Section 306.2.5 shall be permitted to be a part of the required accessible route. 806.2.4 Limited Use / Limited-Application (LULA) Elevators in existing buildings. In existing buildings, a LULA installed pursuant to Section 306.2.4 shall be permitted to be a part of the required accessible route. 806.2.5 Stairways and escalators in existing buildings. Where an escalator or stairway is added where none existed previously, an accessible route shall be provided between the levels served by the escalator or stairways in accordance with Section 1104.4 of the New York City Building Code. Exception: Where the levels to be connected by an escalator or stairway are already provided with an accessible route. 806.2.6 Ramps. Where steeper slopes than allowed by Section 1012.2 of the New York City Building Code are necessitated by space limitations, the slope of ramps in or providing access to existing facilities shall comply with Table 806.2.6 of this code. Table 806.2.6 Ramps SLOPE MAXIMUM RISE Steeper than 1:10 but not steeper than 1:8 3 inches Steeper than 1:12 but not steeper than 1:10 6 inches For SI: 1 inch = 25.4 mm. 806.2.7 Dining areas. An accessible route to raised or sunken dining areas or to all parts of outdoor seating areas is not required provided that the same services and decor are provided in an accessible space usable by any occupant and not restricted to use by people with a disability. The raised, sunken, or outdoor seating areas not provided with an accessible route shall not exceed 25 percent of the total combined area for accessible dining areas. 806.2.8 Dwelling and sleeping units. Where dwelling or sleeping units are altered, they shall comply with Sections 806.2.8.1 through 806.2.8.2. 806.2.8.1 Alterations to dwelling or sleeping units in occupancy Group I-1, I-2, I-3 or R-1. Where dwelling or sleeping units are altered in occupancy Group I-1, I-2, I-3 or R-1, the requirements of Section 1107 of the New York City Building Code shall apply only to the spaces being altered. Exception: Where the dwelling or sleeping units included in the work area exceeds more than 50 percent of the dwelling or sleeping units in the building and under single ownership, the requirements of Section 1107 of the New York City Building Code shall apply to all the dwelling or sleeping units under that single ownership. 806.2.8.2 Alterations to dwelling or sleeping units in Occupancy Group R-2. Where dwelling or sleeping units are altered in Occupancy Group R-2, the requirements of Section 1107 of the New York City Building Code shall apply only to the spaces being altered. 806.2.9 Toilet and bathing rooms. Where it is technically infeasible to alter existing toilet and bathing rooms to be accessible, an accessible family or assisted-use toilet or bathing room constructed in accordance with the requirements of Sections 1109.2.1 through 1109.2.1.6 of the New York City Building Code is permitted; however, the family or assisted-use toilet or bathing room shall be located on an accessible route, on the same floor and in the same area as the existing toilet or bathing rooms. At the inaccessible toilet and bathing rooms, directional signs indicating the location of the nearest family or assisted-use toilet room or bathing room shall be provided. These directional signs shall include the dynamic accessibility symbol and sign characters shall meet the visual character requirements in accordance with ICC A117.1. 806.2.10 Dressing, fitting and locker rooms. Where it is technically infeasible to provide accessible dressing, fitting or locker rooms at the same location as similar types of rooms, 1 accessible room on the same level shall be provided. At the dressing, fitting or locker rooms, directional signs indicating the location of the nearest accessible dressing, fitting and locker room shall be provided. These directional signs shall include the dynamic accessibility symbol and sign characters shall meet the visual character requirements in accordance with ICC A117.1. Where separate sex facilities are provided, accessible rooms for each sex shall be provided. Separate sex facilities are not required where only unisex rooms are provided. 806.2.11 Fuel dispensers. Operable parts of replacement fuel dispensers shall comply with the applicable requirements of Chapter 11 of the New York City Building Code. Exception: Where existing curbs make compliance technically infeasible, operable parts may be permitted to be 54 inches (1372 mm) maximum measured from the surface of the vehicular way where fuel dispensers are installed on existing curbs. 806.2.12 Thresholds. The maximum height of thresholds at doorways shall be in accordance with ICC A117.1. 806.2.13 Amusement rides. Where the structural or operational characteristics of an amusement ride are altered to the extent that the amusement ride’s performance differs from that specified by the manufacturer or the original design, the amusement ride shall comply with requirements for new construction in accordance with Section 1110.4.8 of the New York City Building Code. 806.2.14 Electric vehicle charging stations. In an alteration where electric vehicle charging stations are added or altered, the charging station shall be located along an accessible route and comply with Section 1106.8 of the New York City Building Code. Exception: In existing facilities with no accessible route, electrical vehicle charging stations are not required to be located along an accessible route. 806.3 Alterations affecting an area containing a primary function. Where an alteration affects the accessibility to or contains an area of primary function, the route to the primary function area, including entrances, shall be accessible in accordance with this section and Section 806.3.1. The accessible route to the primary function area shall include toilet facilities and drinking fountains serving the area of primary function. The costs of providing the accessible route are not required to exceed 25 percent of the costs of the alterations affecting the area of primary function. Exceptions: 1. This provision does not apply to alterations limited solely to windows, hardware, operating controls, electrical outlets and signs. 2. This provision does not apply to alterations limited solely to mechanical systems, electrical systems, installation or alteration of fire protection systems and abatement of hazardous materials. 3. This provision does not apply to alterations undertaken for the primary purpose of increasing the accessibility of a facility. 4. This provision does not apply to altered areas limited to Type B or Type B+NYC dwelling and sleeping units. 806.3.1 Path of travel prioritization. The cost of improvements along the path of travel shall be prioritized in accordance with the following: 1. Accessible entrances. 2. Accessible route to the altered area. 3. Accessible toilet facilities. 4. Accessible drinking fountains and bottle-filling stations. 5. Accessible telephones. 6. Additional items such as parking, storage and alarms.

NYC Existing Building Code § EBC 807 Structural

Section EBC 807: Structural 807.1 General. Structural elements and systems within buildings undergoing Level 1 alterations shall comply with Chapter 7.

NYC Existing Building Code § EBC 808 Electrical

Section EBC 808: Electrical 808.1 New installations. All newly installed electrical equipment and wiring relating to work done in any work area shall comply with all applicable requirements of the New York City Electrical Code and as provided for in Sections 808.3 through 808.5 of this code. 808.2 Existing installations. Existing wiring and equipment supplying the work area that is found to be defective shall be upgraded in Group A-1, A-2, A-5, H and I occupancies to meet the requirements of the New York City Electrical Code. For purposes of this section, the term “defective wiring” means wiring methods and materials that do not conform to the requirements of Article 110 of the New York City Electrical Code and present an imminent danger to occupants. Examples of defective wiring include unprotected conductors or oversized overcurrent protection devices that are unsuitable for the environment they are installed in, and obsolete wiring methods such as knob and tube. For purposes of this section, the term “defective equipment” means any electrical equipment or its installations that are found to be dangerous to human life or property. Examples of defective equipment include ungrounded and unbonded equipment; equipment that is overloaded and inadequate to serve the connected loads; unapproved or unlisted equipment; deteriorating equipment; and equipment that is corroded or shows signs of water damage. 808.3 Residential occupancies. Any work within a dwelling unit in Group R-2 and R-3 occupancies that involves the removal of wall coverings (such as gypsum-board and plaster) or relocation / addition of walls and partitions in the work area must conform to the requirements of Sections 210.52 and 210.70 of the New York City Electrical Code with respect to the required receptacle outlets and lighting outlets in the dwelling unit. Any work within a dwelling unit in Group R-2 and R-3 occupancies that does not involve the removal of wall coverings (such as gypsum-board and plaster) or relocation / addition of walls and partitions in the work area shall require the installation of new receptacle outlets and lighting outlets in any work area in accordance with the requirements of Sections 808.3.1 through 808.3.6. 808.3.1 Enclosed areas. All enclosed areas, other than closets, kitchens, basements, garages, hallways, laundry areas, utility areas, storage areas and bathrooms shall have a minimum of 2 duplex receptacle outlets or 1 duplex receptacle outlet and 1 ceiling or wall-type lighting outlet. 808.3.2 Kitchens. Kitchen areas shall have a minimum of 2 duplex receptacle outlets. 808.3.3 Laundry areas. Laundry areas shall have a minimum of 1 duplex receptacle outlet located near the laundry equipment and installed on an independent circuit. 808.3.4 Ground fault circuit interruption. Newly installed receptacles shall be provided with ground fault circuit interruption as required by the New York City Electrical Code. 808.3.5 Minimum lighting outlets. At least 1 lighting outlet shall be provided in every bathroom, hallway, stairway, attached garage, and detached garage with electric power, and to illuminate outdoor entrances and exits. Such lighting outlets, and associated controls, shall comply with any applicable requirements of the New York City Electrical Code. 808.3.6 Utility rooms and basements. At least 1 lighting outlet shall be provided in utility rooms and basements where such spaces are used for storage or contain equipment requiring service. 808.4 Space for equipment. In Group R-2 and R-3 occupancies, working space and dedicated space for electrical equipment including, but not limited to, panelboards, control panels and equipment disconnecting means in which there are exposed live parts when covers are opened or removed for troubleshooting, maintenance or similar activities, shall be provided in accordance with Article 110 of the New York City Electrical Code. 808.5 Smoke and carbon monoxide alarms in dwelling or sleeping units. Installation of smoke and carbon monoxide alarms in dwelling and sleeping units pursuant to Section 804.4.3.1 of this code shall comply with the applicable provisions of NFPA 72 as modified by Appendix Q of the New York City Building Code and New York City Electrical Code.

NYC Existing Building Code § EBC 809 Mechanical

Section EBC 809: Mechanical 809.1 General. Mechanical elements and systems within the work area undergoing alteration Level 1 or within rooms or spaces where work on a stand-alone system as described in section 601.2.3.3 occurs shall comply with this section and Section 309. 809.1.1 Compliance of an entire mechanical system as new construction. An entire mechanical system shall be required to comply with the New York City Mechanical Code for new construction when either: 1. The work area exceeds 50 percent of the area served by that system; or 2. 50 percent of the capacity of terminal distribution elements connected to that system is altered or replaced. Exception: Mechanical system components that serve only an occupied space under separate tenancy that is entirely outside the work area. 809.2 Applicability of New York City Mechanical Code. Alteration of mechanical systems including new components, equipment and appliances shall comply with the New York City Mechanical Code and Sections 309 and 809.2.1 through 809.15 of this code. 809.2.1 Work on mechanical systems not addressed in Chapter 1. Work on mechanical systems and elements not addressed in Chapter 1 of this code shall be governed by Chapter 1 of the New York City Mechanical Code. 809.2.2 Work on mechanical systems not addressed in Chapter 3. Work on mechanical systems and elements not addressed in Chapter 3 of this code shall be governed by Chapter 3 of the New York City Mechanical Code. Exceptions: The following shall apply to any work on mechanical systems and elements: 1. Equipment, appliances and supports that are exposed to wind shall be designed to resist wind pressure determined in accordance with Section 307.2. 2. The determination as to whether seismic supports apply to an alteration shall be made in accordance with Section 307.2. 3. The guard provisions and access to roofs and elevated equipment shall comply with Section 309.2.2. 809.3 Ventilation. Ventilation shall comply with Chapter 4 of the New York City Mechanical Code. Exception: Connection to existing outdoor air intake openings that are to remain unmodified in size and that are not considered in compliance with Section 401.4 of the New York City Mechanical Code shall be permitted to remain provided that they continue to function as required for the existing approved use and comply with the separation requirements between intake and exhaust openings. 809.4 Exhaust systems. Exhaust systems shall comply with Chapter 5 of the New York City Mechanical Code and this section. Exceptions: 1. Connection to existing exhaust openings that are to remain unmodified in size and that are not considered in compliance with Section 501.3 of the New York City Mechanical Code shall be permitted to remain provided that they continue to function as required for the existing approved use. Such openings shall comply with the separation requirements between intake and exhaust openings. 2. Replacement of existing fans of the same capacity and motor horsepower. 3. In kind replacement of fans or manual controls as part of an existing manual post fire smoke exhaust system in prior code buildings. 4. Modification of toilet exhaust branch ductwork and risers where the fan systems serving this duct distribution remain as existing. 5. Connection to existing commercial kitchen exhaust ductwork that is to be reused provided that the duct system has been in continuous service and not dormant or abandoned for more than 1 year. The existing ductwork system shall be tested in accordance with Section 506.3.2.5 of the New York City Mechanical Code. 809.5 Duct systems. Duct systems shall comply with Chapter 6 of the New York City Mechanical Code and this section. Exception: Replacement of existing fans of the same capacity and motor horsepower. 809.5.1 Ducts and air transfer openings. All new and existing duct penetrations and air transfer openings within the work area shall comply with Chapter 6 of the New York City Mechanical Code. The work area boundary shall not be altered so as to exclude these penetrations and openings. All new and existing duct penetrations and air transfer openings that are part of the same duct or fan system and within the same room or space as a duct system altered as part of work on a stand-alone system shall comply with Chapter 6 of the New York City Mechanical Code. 809.5.1.1 Shaft and wall penetrations. Connections of new or altered ducts to a duct system which penetrates an existing shaft located on the same floor shall require such nearby shaft penetrations to comply with Chapter 6 of the New York City Mechanical Code when any of the following occurs: 1. The penetrations in shafts and walls are located within or enclosing the work area, within or enclosing a space adjacent to the work area, or within or enclosing the room or space in which work on a stand-alone system alters or adds ducts. 2. The shaft and wall penetrations are located within 10 feet (3.05 m) of the work area where the intervening space is a common or public use area. Such distance shall be measured from the inside face of the wall or ceiling comprising the work area boundary. 3. The shaft and wall penetrations are located within 10 feet (3.05 m) of the room or space in which work on a stand-alone system alters or adds ducts and where the intervening space is a common or public use area. Such distance shall be measured from the furthest edge of the system component being altered or installed. 4. The shaft riser design airflow capacity delivered to the floor is increased by more than 10 percent. 5. The work area exceeds 50 percent of the floor area. Compliance shall be required for all penetrations located on the floor where the work area is located, including penetrations located within common or public use areas, except that compliance shall not be required for penetrations in spaces under separate tenancy. 6. The room or space in which work on a stand-alone system alters or adds duct exceeds 50 percent of the floor area. Compliance shall be required for all penetrations located on that floor, including penetrations located within common or public use areas, except that compliance shall not be required for penetrations in spaces under separate tenancy. 809.6 Fire dampers. New and existing fire dampers in the work area, or in the room or space in which work on a stand-alone system which includes duct alterations occurs, shall be operationally tested in accordance with the procedures outlined in NFPA 80. 809.7 Smoke dampers. New and existing smoke dampers in the work area, or in the room or space in which work on a stand-alone system which includes duct alterations occurs, shall be operationally tested in accordance with the procedures outlined in NFPA 105. 809.8 Combustion, ventilation, and dilution air. Combustion, ventilation, and dilution air shall comply with Chapter 7 of the New York City Mechanical Code and this section. Exception: Existing combustion, ventilation and dilution air intakes less than 30 inches (762 mm) above grade may be reused provided they comply with all of the following: 1. An areaway shall be provided, or an existing areaway shall be extended a minimum of 30 inches (762 mm) above adjacent grade where grade is measured from the top of the areaway. 2. A grating with equivalent free area equal to the boiler room wall intake opening shall be provided at the top of the areaway or a guard complying with Section 1015 of the New York City Building Code shall be provided around the perimeter of the areaway. 3. The bottom of the boiler room wall intake opening shall be a minimum of 30 inches (762 mm) above the bottom of the areaway, or mechanical ventilation in compliance with Section 706 of the New York City Mechanical Code shall be provided. 4. Carbon monoxide alarms and detectors shall be installed within the mechanical or boiler room to shut down the appliances upon carbon monoxide detection in accordance with Section 915 of the New York City Building Code. 5. Manual restart of the appliance shall be required after shutdown by carbon monoxide detection. 809.9 Chimneys and vents. Chimney and vent systems shall comply with Chapter 8 of the New York City Mechanical Code and this section. Exceptions: 1. Existing connectors that are below the boiler outlet or below the boiler floor to connect to the vertical chimney shall be permitted to be replaced in kind notwithstanding the pitch requirements of Section 803.10.5 of the New York City Mechanical Code provided the existing connector is replaced to comply with the remaining requirements of Section 803 of the New York City Mechanical Code and the connector is tested in accordance with Section 810 of the New York City Mechanical Code. 2. Existing chimneys and vents. Where an appliance is permanently disconnected from an existing chimney or vent that is to remain in service or where an appliance is connected to an existing chimney or vent during the process of a new appliance installation, the chimney or vent shall comply with Sections 801.18.1 through 801.18.4 of the New York City Mechanical Code. 809.10 Specific appliances. Specific appliances shall comply with Chapter 9 of the New York City Mechanical Code and this section. Exceptions: 1. Vibration isolators for replacement cooling towers may be omitted in accordance with Section 309.2.3. 2. Combustible fill shall be permitted in replacement cooling towers in accordance with Section 309.2.4. 809.11 Boilers, water heaters and pressure vessels. Boilers, water heaters and pressure vessels shall comply with Chapter 10 of the New York City Mechanical Code, 12 NYCRR Parts 4 and 14 as amended, and this section. Exceptions: 1. The required clearances around equipment shall be permitted to be modified or reduced for in-kind replacement of boilers or appliances, in an existing boiler room, that do not comply with the required clearances, provided that plans shall demonstrate that the clearances are technically infeasible and that, at a minimum, the manufacturer’s required clearances shall be provided. 2. In-kind replacement of boilers shall not require the installation of a floor drain where a floor drain did not already exist and where there is a means of liquid disposal. 809.11.1 Chimney test. Where new or altered equipment or appliances are connected to an existing chimney, the chimney shall be tested in accordance with Chapter 8 of the New York City Mechanical Code, Chapter 5 of the New York City Fuel Gas Code or Chapter 21 of the New York City Building Code, as applicable. 809.11.2 Fuel burning appliances in dwelling units. When fuel burning appliances providing heat or hot water are replaced or installed within a dwelling unit in buildings of Occupancy Group R-2, interlocked carbon monoxide detection with a manual reset shall be installed in accordance with the New York City Building Code. 809.12 Refrigeration. Refrigeration shall comply with Chapter 11 of the New York City Mechanical Code. 809.13 Hydronic piping. Hydronic piping shall comply with Chapter 12 of the New York City Mechanical Code and this section. 809.13.1 Existing high-pressure steam and high temperature hot water piping systems. Existing high-pressure steam and high temperature hot water piping systems shall be maintained, inspected, repaired, relocated and altered in compliance with Section 1211.3 of the New York City Mechanical Code. 809.14 Fuel oil piping and storage. Fuel oil piping and storage shall comply with Chapter 13 of the New York City Mechanical Code and this code. Exceptions: 1. Minor repairs, including but not limited to the replacement of a gasket, valve, pump or pump set, repair of a valve packing gland or tightening of flange bolts shall not require hydrostatic testing. 2. In-kind replacements of the same capacity of existing boilers and/or generators with no fuel oil system alteration or modification shall not require the entire existing fuel oil system to comply with Chapter 13 of the New York City Mechanical Code. The existing fuel oil system can continue to be used if it is in compliance with applicable codes and laws in effect when the system was installed. 3. Manual fuel oil fill operations for generators in prior code buildings shall comply with the following requirements when lawfully constructed prior to December 6, 1968, provided that all of the following conditions are satisfied: 3.1. The emergency generator and diesel fuel storage tanks must be authorized for use by a valid Fire Department fuel oil permit. 3.2. The combined total quantity of diesel fuel stored in the emergency generator storage tank(s) and any diesel fuel stored in reserve portable drums or containers shall not exceed 330 gallons (1249.2 L) on any given story. 3.3. The maximum diesel fuel reserve storage in portable drums or containers shall not exceed 60 gallons (227.1 L) any given story and shall be stored in spaces conforming to Section 1305.13.3, Items 1 through 5, and 7 of the New York City Mechanical Code. Any empty drums or containers shall be removed immediately and disposed of in a legal manner. 3.4. Diesel fuel shall be transferred in sealed portable drums or containers satisfying Sections 5003.10.2 and 5003.10.3 of the New York City Fire Code. The transfer of diesel fuel and the manual filling of the generator storage tanks shall be conducted by, or supervised by, a person holding a FDNY Certificate of Fitness C-98 for storage and use of combustible liquids. The transfer of diesel fuel from lower to upper stories or roof shall only be via the building freight elevator utilizing hand trucks. Transfer via any passenger elevator shall be prohibited. 3.5. The transfer of diesel fuel from the sealed portable container to the emergency generator fuel storage tank shall be performed using a hand crank pump satisfying the provisions of Section 5705.2.5 of the New York City Fire Code. 3.6. The DOB Boiler Division shall, upon satisfactory inspection, issue to the owner DOB form 16A “Certificate of Approval for Oil Burning Installation” indicating that the application involves the manual transfer and filling of the emergency generator diesel fuel storage tank(s) from portable drums or containers and that an FDNY Certificate of Fitness is required when such manual transfer is performed. A copy of the completed form shall be transmitted by the DOB Boiler Division to the Fire Department district office of the Bureau of Fire Prevention. 4. In-kind replacements of fuel oil storage tanks of the same capacity and not exceeding 1375 gallons (5205 L) in rooms without ventilation shall be permitted without requiring such replacement to comply with the ventilation requirements of Chapter 13 of the New York City Mechanical Code. 5. Existing oversized fuel oil headers exceeding the limits of Section 1305.9 of the New York City Mechanical Code shall be permitted to remain provided all of the following conditions are satisfied: 5.1 The existing fuel oil header is in compliance with prior applicable codes and laws. 5.2 The original header installation contains future valved, capped outlets for the connection of an additional generator. 5.3 The new work shall be connected to an existing valve. 5.4 The existing oversized fuel oil header is not being modified or altered. 5.5 The Fire Department shall be notified, in writing, of fuel oil header capacities exceeding the limits of Section 1305.9 of the New York City Mechanical Code. 6. In prior code buildings, where a dedicated, fire-rated room enclosure is technically infeasible, the replacement of existing indoor concrete encased fuel oil tanks with protected fuel oil tanks of the same capacity listed in accordance with UL 2085 shall be permitted. 809.14.1 Existing fuel oil piping system to comply with current code. An existing fuel oil piping system shall be made to comply with the New York City Mechanical Code if any of the following apply: 1. The addition of a generator is not provided for by future valved, capped outlets on a header. 2. The addition or replacement of fuel oil piping exceeds 50% of the existing system piping lengths. 3. The addition of fuel oil pumping exceeds 50% of existing pumping capacity. 809.14.2 Outdoor fuel oil piping in existing buildings. Outdoor fuel oil piping supplying existing buildings, including both horizontal and vertical piping, utilizing pumps to transfer fuel oil to appliances at levels above the lowest floor or to storage tanks at levels above the lowest floor in buildings shall comply with the following: 1. Vertical piping shall be located a minimum of 10 feet (3048 mm) from lot lines or a 2-hour fire-rated-enclosure shall be provided. 2. Vertical piping shall be located a minimum of 3 feet (914 mm) from building openings and combustible construction. 3. Vertical outdoor fuel oil piping shall be enclosed in a fully welded outer containment of at least No. 10 standard Gage steel sized in accordance with Section 1305.9.3.2 of the New York City Mechanical Code. 4. Horizontal outdoor fuel oil piping shall comply with Section 1305.9.3 of the New York City Mechanical Code. 5. In addition to the requirement of Section 1305.9.4 of the New York City Mechanical Code, a drain pipe shall also be provided from the lowest point in the vertical outdoor containment enclosure to a minimum 55-gallon (208 L) container with a leak detection alarm, arranged so as to sound an alarm and stop the transfer pump. The container may be located immediately inside the building. 6. Materials and supports directly exposed to the weather shall be stainless steel or other corrosion resistive material. 7. Details shall be provided for piping supports and connections to building structure. 8. Penetrations of building walls shall be encased in a protective pipe sleeve. The annular space between the piping and the sleeve shall be sealed with an approved noncombustible material in accordance with the New York City Building Code. 9. Piping shall be grounded in accordance with Section 250.104(B) of the New York City Electrical Code. 10. Piping shall be protected from vehicle impact and physical damage. 11. Flexible fuel oil piping systems shall not be utilized unless such systems are provided with continuous leak detection and are listed and labeled in accordance with UL 1369. 12. Piping shall not encroach into the minimum width or height of means of egress. 13. Roof access shall comply with Section 306.5 of the New York City Mechanical Code. 14. Piping shall be identified by a permanent label or tag at intervals not more than 40 feet (12 192 mm) in length and at all changes of direction. The label or tag shall be located outside of the enclosure. 15. Fuel oil piping on building roofs shall comply with the requirements of the New York City Mechanical Code. 809.14.3 Ventilation of fuel oil storage tank rooms. Replacement of tanks in prior code buildings may utilize an existing gravity ventilation system complying with the following: 1. Independent supply and exhaust openings or ducts discharging to the outside shall be provided; and 2. The total net free area of supply and exhaust openings shall be equal to at least 1 percent of the floor area of the room equally divided between the supply and exhaust. 809.15 Solar systems. Solar systems shall comply with Chapter 14 of the New York City Mechanical Code.

NYC Existing Building Code § EBC 810 Plumbing

Section EBC 810: Plumbing 810.1 General. Plumbing systems including elements and system components, piping and fixtures within the work area in buildings undergoing alteration Level 1 or within rooms or spaces where work on stand-alone systems as described in Section 601.2.3.3 occurs shall comply with the New York City Plumbing Code, Section 310 of this code and this section, as applicable. 810.2 Insulation of concealed piping. To the extent required by the New York City Energy Conservation Code, where concealed existing piping is exposed during a Level 1 alteration, such piping shall be insulated as required by Section 302.9.4 of this code.

NYC Existing Building Code § EBC 811 Fuel Gas Systems

Section EBC 811: Fuel Gas Systems 811.1 General. Alterations made to fuel gas systems including piping, appliances and components shall be in compliance with Section 311 and this section, as applicable. 811.2 Fuel burning appliances in dwelling units. Installation of fuel burning appliances in dwelling units shall require the installation of carbon monoxide detection in accordance with Section 915.1 of the New York City Building Code.

NYC Existing Building Code § EBC 812 Elevators and Conveying Systems

Section EBC 812: Elevators and Conveying Systems 812.1 General. Alterations made to existing elevators and conveying systems shall comply with Chapter 30 and ASME A17.1 as modified by Appendix K of the New York City Building Code, as applicable, and this section. Work listed in Table 812.1 shall be considered a Level 1 Alteration. Table 812.1 – Level 1 Alteration Work a A17.1 Section Name of A17.1 Section A17.1 Sub-section Name of A17.1 Sub-section 8.6.3 Replacements 8.6.3.10 Replacement of Hydraulic Jack, Plunger, Cylinder, Tanks, and Anticreep Leveling Device 8.6.3 Replacements 8.6.3.11 Replacement of Valves and Piping 8.7.2 Alterations to Electric Elevators 8.7.2.1 Hoistway Enclosures 8.7.2 Alterations to Electric Elevators 8.7.2.7 Machinery Spaces, Machine Rooms, Control Spaces, and Control Rooms 8.7.2 Alterations to Electric Elevators 8.7.2.8 Electrical Equipment, Wiring, Pipes, and Ducts in Hoistways and Machine Rooms 8.7.2 Alterations to Electric Elevators 8.7.2.9 Machinery and Sheave Beams, Supports, and Foundations 8.7.2 Alterations to Electric Elevators 8.7.2.10 Entrances and Hoistway Openings 8.7.2 Alterations to Electric Elevators 8.7.2.11 Hoistway Door Locking Devices, Access Switches, and Parking Devices (Including replacing door operators) 8.7.2 Alterations to Electric Elevators 8.7.2.14 New Car Enclosures (Including replacing cab panels when deadweight of the car is increased or decreased by more than 5%. See ASME Section 8.7.2.15.2) 8.7.2 Alterations to Electric Elevators 8.7.2.15 Car Frame and Platforms 8.7.2 Alterations to Electric Elevators 8.7.2.16 Capacity, Loading, and Classification 8.7.2 Alterations to Electric Elevators 8.7.2.17 Change in Rise or Rated Speed 8.7.2 Alterations to Electric Elevators 8.7.2.18 Car and Counterweight Safeties 8.7.2 Alterations to Electric Elevators 8.7.2.19 Speed Governors and Governor Ropes 8.7.2 Alterations to Electric Elevators 8.7.2.20 Ascending Car Overspeed and Unintended Car Movement Protection 8.7.2 Alterations to Electric Elevators 8.7.2.22 Counterweights 8.7.2 Alterations to Electric Elevators 8.7.2.25 Driving Machines and Sheaves (Except regrooving of sheaves, which can be considered as an LAA. See Table 510.2) 8.7.2 Alterations to Electric Elevators 8.7.2.26 Terminal Stopping Devices 8.7.2 Alterations to Electric Elevators 8.7.2.27 Operating Devices and Control Equipment (Including adding Phase I or Phase II recall, replacing car operating panels or hall buttons) 8.7.2 Alterations to Electric Elevators 8.7.2.28 Emergency Operations and Signaling Devices 8.7.3 Alterations to Hydraulic Elevators 8.7.3.7 Machine Rooms, Machinery Spaces, Control Spaces, and Control Rooms 8.7.3 Alterations to Hydraulic Elevators 8.7.3.8 Electrical Wiring, Pipes, and Ducts in Hoistways and Machine Rooms 8.7.3 Alterations to Hydraulic Elevators 8.7.3.9 Machinery and Sheave Beams, Supports, and Foundations 8.7.3 Alterations to Hydraulic Elevators 8.7.3.10 Hoistway Entrances and Openings 8.7.3 Alterations to Hydraulic Elevators 8.7.3.11 Hoistway Door Locking Devices (Including replacing door operators) 8.7.3 Alterations to Hydraulic Elevators 8.7.3.14 Car Frames and Platforms 8.7.3 Alterations to Hydraulic Elevators 8.7.3.15 Safeties 8.7.3 Alterations to Hydraulic Elevators 8.7.3.16 Governors and Governor Ropes 8.7.3 Alterations to Hydraulic Elevators 8.7.3.17 Change in Type of Service 8.7.3 Alterations to Hydraulic Elevators 8.7.3.18 Change in Class of Loading 8.7.3 Alterations to Hydraulic Elevators 8.7.3.19 Carrying of Passengers on Freight Elevators 8.7.3 Alterations to Hydraulic Elevators 8.7.3.20 Increase in Rated Load 8.7.3 Alterations to Hydraulic Elevators 8.7.3.21 Increase in Deadweight of Car (More than 5%) 8.7.3 Alterations to Hydraulic Elevators 8.7.3.22 Change in Rise or Rated Speed 8.7.3 Alterations to Hydraulic Elevators 8.7.3.23 Hydraulic Equipment 8.7.3 Alterations to Hydraulic Elevators 8.7.3.24 Valves, Pressure Piping, and Fittings 8.7.3 Alterations to Hydraulic Elevators 8.7.3.26 Counterweights 8.7.3 Alterations to Hydraulic Elevators 8.7.3.29 Tanks 8.7.3 Alterations to Hydraulic Elevators 8.7.3.30 Terminal Stopping Devices 8.7.3 Alterations to Hydraulic Elevators 8.7.3.31 Operating Devices and Control Equipment (Including adding Phase I or Phase II Recall, replacing car operating panels or hall buttons) 8.7.4 Alterations to Elevators with Other Types of Driving Machines 8.7.4 Alterations to Elevators with Other Types of Driving Machines 8.7.5 Alterations to Special Application Elevators 8.7.5 Alterations to Special Application Elevators 8.7.6 Alterations to Escalators and Moving Walks 8.7.6 Alterations to Escalators and Moving Walks 8.7.7 Alterations to Dumbwaiters and Material Lifts 8.7.7 Alterations to Dumbwaiters and Material Lifts 8.11.1.4 Installations Placed Out of Service 8.11.1.4 Installations Placed Out of Service a. All references to A17.1 refer to ASME A17.1, as amended by Appendix K of the New York City Building Code.

NYC Existing Building Code § EBC 813 Energy Conservation

Section EBC 813: Energy Conservation 813.1 Minimum requirements. Level 1 alterations made to existing buildings or structures are permitted without requiring the entire building or structure to comply with the energy requirements of the New York City Energy Conservation Code. Level 1 alterations shall conform to the energy requirements of Chapters R5 or C5, Existing Buildings, of the New York City Energy Conservation Code, as applicable.

NYC Existing Building Code § EBC 814 Interior Environment

Section EBC 814: Interior Environment 814.1 Ventilation requirements for enlarged bathrooms, toilet rooms, kitchens, and kitchenettes. For bathrooms, toilet rooms, kitchens and kitchenettes undergoing enlargement, natural or mechanical ventilation sized in accordance with the New York City Mechanical Code shall be provided for the proposed floor area. Exceptions: 1. Bathrooms and toilet rooms enlarged to meet the accessibility requirements of the New York City Building Code and that increase the room size by less than 50 percent of the existing floor area shall be permitted to maintain the existing means of ventilation without an increase provided no additional plumbing fixture is being proposed. 2. Kitchens and kitchenettes enlarged to meet the accessibility requirements of the New York City Building Code shall be permitted to maintain the existing means of ventilation without an increase in ventilation size provided no additional cooking appliance load is being proposed.
Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-241770Fetched: 10/24/2026

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