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HomeMy WebLinkAboutOrdinance - 2024-O0025 - 2021 International Building Code, Amending Article 28.09 - 03/26/2024First Reading March 5, 2024 Item No. 6.1 ORDINANCE NO. 2024-00025 Second Reading March 26, 2024 Item No. 5.32 AN ORDINANCE AMENDING ARTICLE 28.09 OF THE CODE OF ORDINANCES OF THE CITY OF LUBBOCK, TEXAS WITH REGARD TO ADOPTION OF THE 2021 INTERNATIONAL BUILDING CODE AND PROVIDING FOR CERTAIN AMENDMENTS THERETO TO MEET LOCAL CONDITIONS; PROVIDING A PENALTY; PROVIDING A SAVINGS CLAUSE; PROVIDING FOR PUBLICATION; AND PROVIDING AN EFFECTIVE DATE. WHEREAS, it is the opinion of the City Council that the best interests of the citizens of the City of Lubbock would be served by adoption of the 2021 International Building Code with certain amendments to meet local conditions; NOW THEREFORE: BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF LUBBOCK: SECTION 1. THAT Article 28.09 of the Code of Ordinances of the City of Lubbock is hereby amended to read as follows: ARTICLE 28.09 INTERNATIONAL BUILDING CODE Division l. Generally § 28.09.001 Adopted. (a) The 2021 edition of the International Building Code published by the International Code Council, Inc., as hereinafter amended, including all appendices and reference standards not specifically excluded below, is hereby adopted as the building code of the city. (b) Exceptions. The following provisions are specifically excluded from adoption: (1) Appendix A - Employee Qualifications. (2) Appendix B- Board of Appeals. (3) Appendix D - Fire Districts. (4) Appendix E- Supplemental Accessibility Requirements. (5) Appendix F - Rodentproofing. (6) Appendix G- Flood-Resistant Construction. Projects must instead conform to the applicable provisions of Article 39.05 of the Unified Development Code (UDC). (7) Appendix J - Grading. (8) Appendix K - Administrative Provisions. (9) Appendix L- Earthquake Recording Instrumentation. (10) Appendix M- Tsunami-Generated Flood Hazard. (11) Appendix N — Replicable Buildings. (12) Appendix O — Performance-Based Application. (c) A copy of said building code is attached hereto and incorporated herein as though set out herein in detail. References to the International Building Code in this article shall mean the 2021 edition. One copy of the 2021 International Building Code shall be filed with the city secretary and a copy shall be maintained in the office of the city building official. All such copies, with the amendments thereto, shall be open to public inspection during the usual business hours of the offices where they are maintained. § 28.09.002 Administration. Chapter 1 of the 2021 International Building Code, entitled "Scope and Administration," is hereby deleted in its entirety, and the following Sections 28.09.003 through 28.09.091 substituted therefor. § 28.09.003 Intent and purpose. The purpose of this code is to establish the minimum requirements to provide a reasonablc level of safety, health and general welfare through structural strength, means of egress, stability, sanitation, light and ventilation, energy conservation, and for providing a reasonable level of life safety and property protection from the hazards of fire, explosion or dangerous conditions, and to provide a reasonable level of safety to fire fighters and emergency responders during emergency operations. § 28.09.004 Administrative provisions. Provisions governing the administration of the 2021 International Building Code shall be as set forth herein. § 28.09.005 General administrative provisions. Provisions governing the administration of the 2021 International Building Code shall be as set forth herein. § 28.09.006 Supplemental administrative provisions. The following administrative provisions are in addition to the general administrative provisions of Articles 28.01 through 28.08 of this chapter, and are specific to projects within the scope of this article (the 2021 International Building Code). § 28.09.007 through § 28.09.040. (Rescrved) Division 2 Construction Documents; Specific Submittal Requirements § 28.09.041 Construction documents; specific submittal requirements. In addition to submittal requirements specified in Article 28.05, Division 1 of this code, the documentation described in Sections 28.09.042 through 28.09.049 of this code shall be submitted, as applicable. § 28.09.042 Fire protection system shop drawings. Shop drawings for frre protection systems shall be submitted to indicate conformance with this code and the construction documents and shall be approved prior to the start of system installation. Shop drawings shall contain all information as required by the referenced installation standards in Chapter 9 of the International Building Code, and shall be reviewed by the fire marshal. § 28.09.043 Means of egress. The construction documents shall show in sufficient detail the location, construction, size and character of all portions of the means of egress including the path of the exit discharge to the public way in compliance with the provisions of this code. In other than occupancies in Group R-3, the construction documents shall designate the number of occupants to be accommodated on every floor, and in all rooms and spaces. § 28.09.044 Exterior wall envelope. Construction documents for all buildings shall describe the exterior wall envelope in sufficient detail to determine compliance with this code. The construction documents shall provide details of the exterior wall envelope as required, including flashing, intersections with dissimilar materials, corners, end details, control joints, intersections at roof, eaves or parapets, means of drainage, water-resistive barrier and details around openings. The construction documents shall include manufacturer's installation instructions that provide supporting documentation that the proposed penetration and opening details described in the construction documents maintain the weather resistance of the exterior wall envelope. The supporting documentation shall fully describe the exterior wall system which was tested, where applicable, as well as the test procedure used. § 28.09.045 Site plan. The construction documents submitted with the application for permit shall be accompanied by a site plan showing to scale the size and location of new construction and existing structures on the site, distances from lot lines, the established street grades and the proposed iinished grades and, as applicable, flood hazard areas, floodways, and design flood elevations; and it shall be drawn in accordance with an accurate boundary line 3 survey. In the case of demolition, the site plan shall show construction to be demolished and the location and size of existing structures and construction that are to remain on the site or plot. The building official is authorized to waive or modify the requirement for a site plan where the application for permit is for alteration or repair or where otherwise warranted. § 28.09.046 Survey and flood certificate. At the time of application for a building permit for first-time construction of a building upon a lot previously undeveloped with buildings, and at other times as determined necessary by the building official, the applicant shall furnish a certificate, prepared by a licensed surveyor, attesting to having performed a recent survey of the subject lot, and having placed boundary line corner stakes thereon. The property owner or building contractor shall be responsible for boundary line corner stakes being in place at the time of the first inspection by the building official. Said certificate shall also state whether or not the subject lot lies within a special flood hazard area as determined by the latest FEMA flood insurance rate map (FIRM) for the City of Lubbock, in which case the applicant must also follow procedures under Section 39.05.009 of the Unified Development Code (UDC). In all cases where it may appear to the building official that the proposed improvements will encroach upon any easement or public way, or come within established building lines, or affect setback requirements under any ordinance, the building official is required to refer the application for permit to the city engineer and/or the city planner, as applicable, and secure their approvals before issuing a building permit. § 28.09.047 Exterior balconies and elevated walking surface. Where balconies or other elevated walking surfaces have weather-exposed surfaces, and the structural framing is protected by an impervious moisture barrier, the construction documents shall include details for all elements of the impervious moisture barrier system. The construction documents shall include manufacturer's installation instructions. § 28.09.048 Structural information. The construction documents shall provide the information specified in Section 1603. § 28.09.049 Relocatable buildings. Construction documents for relocatable buildings shall comply with Section 3113. § 28.09.050 through § 28.09.080. (Reserved) Division 3 Insnections § 28.09.081 Scope. The building official, upon notification from the permittee, shall make the inspections set forth in Sections 28.09.082 through 28.09.093 below. 4 § 28.09.082 Footing and foundation inspection. Footing and foundation inspections shall be made after excavations for footings are complete and any required reinforcing steel is in place. For concrete foundations, any required forms shall be in place prior to inspection. Materials for the foundation shall be on the job, except where concrete is ready mixed in accordance with ASTM C94, the concrete need not be on the job. § 28.09.083 Concrete slab and under-floor inspection. Concrete slab and under-floor inspections shall be made after in-slab or under-floor reinforcing steel and building service equipment, conduit, piping accessories and other ancillary equipment items are in place, but before any concrete is placed or floor sheathing installed, including the subfloor. § 28.09.084 Finished floor elevation. In flood hazard areas, upon placement of the lowest floor, including the basement, and prior to further vertical construction, the elevation certification required in Section 39.05.009 of the Unified Development Code (UDC) shall be submitted to the building official. Where necessary to determine that the finished floor elevation is in compliance with other provisions of this code, the building official is authorized to require that an elevation certificate be prepared by a registered professional land surveyor or a licensed professional engineer prior to authorizing further vertical construction. § 28.09.085 Framing. Framing inspections shall be made after the roof deck or sheathing, all framing, fire- blocking and bracing are in place and pipes, chimneys and vents to be concealed are complete and the rough electrical, plumbing, heating wires, pipes and ducts are approved. § 28.09.086 Types IV-A, IV-B and IV-C connection protection inspection. In buildings of Types IV-A, IV-B and IV-C construction, where connection fire-resistance ratings are provided by wood cover calculated to meet the requirements of Section 2304.10.1, inspection of the wood cover shall be made after the cover is installed, but before any other coverings or finishes are installed. § 28.09.087 Lath and gypsum board. Lath, gypsum board and gypsum panel product inspections shall be made after lathing, gypsum board and gypsum panel products, interior and exterior, are in place, but before any plastering is applied or gypsum board and gypsum panel product joints and fasteners are taped and fnished. Exception: Gypsum board and gypsum panel products that are not part of a fire-resistance- rated assembly or a shear assembly. § 28.09.088 Weather-exposed balcony and walking surface waterproofing. Where balconies or other elevated walking surfaces have weather-exposed surfaces, and the structural framing is protected by an impervious moisture barrier, all elements of the impervious moisture barrier system shall not be concealed until inspected and approved. Exception: Where special inspections are provided in accordance with Section 1705.1.1, Item 3. § 28.09.089 Fire- and smoke-resistant penetrations. Protection of joints and penetrations in fire-resistance-rated assemblies, smoke barriers and smoke partitions shall not be concealed from view until inspected and approved. § 28.09.090 Energy efficiency. Inspections shall be made to determine compliance with the adopted energy conservation code and shall include, but not be limited to, inspections for: envelope insulation R- and U- values, fenestration U-value, duct system R-value, and HVAC and water-heating equipment efficiency. § 28.09.091 Other inspections. In addition to the inspections specified in Sections 28.09.082 through 28.09.90, the building official is authorized to make or require other inspections of any construction work to ascertain compliance with the provisions of this code and other laws that are enforced by the department of building safety. § 28.09.092 Special inspections. For special inspections, see Chapter 17 of the International Building Code. § 28.09.093 Final inspection. The final inspection shall be made after all work required by the building permit is completed. § 28.09.094 through § 28.09.130. (Reserved) Division 4 Amendments § 28.09.131 Adopted. Amendments to the International Building Code adopted in Section 28.09.001 are as follows: (1) Definitions. A new definition to Section 202 is hereby added as follows: ASSISTED LIVING FACILITIES. A building or part thereof housing persons, on a 24-hour basis, who because of age, mental disability or other reasons, live in a supervised residential environment which provides personal care services. The occupants are capable of responding to an emergency situation without physical assistance from staff. (2) Definitions. The following definitions of Section 202 is hereby amended to read as follows: FIREWORKS. Any composition or device for the purpose of producing a visible or audible effect for entertainment purposes by combustion, deflagration, or detonation, andlor activated by ignition with a match or other heat producing device that meets the definition of 1.3G fireworks or 1.4G fireworks. Fireworks, 1.3G. Large fireworks devices, which are explosive materials, intended for use in fireworks displays and designed to produce audible or visible effects by combustion, deflagration or detonation. Such 1.3G freworks include, but are not limited to, firecrackers containing more than 130 milligrams (2 grains) of explosive composition, aerial shells containing more than 40 grams of pyrotechnic composition, and other display pieces which exceed the limits for classification as 1.4G fireworks. Such 1.3G fireworks are also described as fireworks, iJN0335 by the DOTn. Fireworks, 1.4G. Small fireworks devices containing restricted amounts of pyrotechnic composition designed primarily to produce visible or audible effects by combustion or deflagration that complies with the construction, chemical composition and labeling regulations of the DOTn for fireworks, iJN0336, and the US Consumer Product Safety Commission (CPSC) as set forth in CPSC 16 CPR: Parts 1500 and 1507. SPECIAL INSPECTOR. A qualiiied person employed or retained by an approved agency who shall prove to the satisfaction of the registered design professional in responsible charge and approved by the building official as having the competence necessary to inspect a particular type of construction requiring special inspection. (3) Exit stairways in an atrium. Section 404.10 is hereby amended to read as follows: 404.10 Exit stairways in an atrium. Where an atrium contains an exit access stairway all the following shall be met: a. The entry to the exit stairway is the edge of the closest riser of the exit stairway. b. The entry of the exit stairway shall have access from a minimum of two directions. c. The distance between the entry to an exit stairway in an atrium and the entrancc 7 to a minimum of one exit stairway enclosed in accordance with Section 1023.2 shall comply with the separation required by Section 1007.1.1. d. Exit access travel distance shall be measured to the closest riser of the exit stairway. e. Not more than 50 percent of the exit stairways shall be located in the same atrium. (4) Carport separation. Section 406.3.3.1 is hereby amended to read as follows: 406.3.3.1 Carport separation. A separation is not required between a Group R-3 and U carport, provided that the carport is entirely open on two or more sides and there are not enclosed areas above. A fire separation is not required between a Group R-2 and U carport provided that the carport is entirely open on all sides and that the distance between the two is at least 10 feet (3048 mm). (5) Storm shelters �General]. Section 423.1 is hereby amended to read as follows: 423.1 General. This section applies to the construction of storm shelters constructed as separate detached buildings or constructed as rooms or spaces within buildings for the purpose of providing protection from storms that produce high winds, such as tornadoes, during the storm. This section specifies where storm shelters are required and provides requirements for the design and construction of storm shelters. Such structures shall be designed to be tornado shelters. Design of facilities for use as emergency shelters after the storm are outside the scope of ICC 500 and shall comply with Table 1604.5 as a Risk Category IV Structure. (6) Storm shelter construction. Section 423.2 is hereby amended to read as follows: 423.2 Construction. Storm shelters shall be constructed in accordance with this code and ICC 500 and shall be designated as tornado shelters. The City of Lubbock is in the 250 mph wind speed area of Figure 304.2(1) of ICC 500. Buildings or structures that are also designated as emergency shelters shall also comply with Table 1604.5 as Risk Category IV structures. Any storm shelter not required by this section shall be permitted to be constructed, provided that such structures meet the requirements of this code and ICC 500. Exceptions: a. Sanitation facilities per ICC 500 shall not be required. b. Doors and shutters shall not be required to auto latch if all of the following are met: a. The opening is not required to be auto latched by other requirements within this code. b. The opening has adjacent signage complying with Section 703.5 Visual Characters of the 2012 Texas Accessibility Standards with text stating "In case of tornado, close this door" or similar text. c. Doors shall comply with Section 504.4 of ICC 500. (7) Required occupant capacit� Section 423.5.1 is hereby amended to read as follows: 423.5.1 Required occupant capacity. The required occupant capacity of the storm shelter shall include all of the buildings on the site and shall be the total occupant load of the classrooms, vocational rooms and offices in the Group E occupancy. Exceptions: 1. Where a new building is being added on an existing Group E site, and where the new building is not of sufficient size to accommodate the required occupant capacity of the storm shelter for all of the buildings on the site, the storm shelter shall at a minimum accommodate the required occupant capacity for the new building. 2. Where approved by the building official, the required occupant capacity of the shelter shall be permitted to be reduced by the occupant capacity of any existing storm shelters on the site. Where approved by the building official, the actual number of occupants for whom each occupied space, floor or building is designed, although less than those determined by occupant load calculation shall be permitted to be used in the determination of the required design occupant capacity for the storm shelter. (8) General. Section 503.1 is hereby amended to read as follows: 503.1 General. Unless otherwise specifically modified in Chapter 4 and this chapter, building height, number of stories and building area shall not exceed the limits specified in Section 504 and 506 based on the type of construction as determined by Section 602 and the occupancies as determined by Section 302 except as modified hereafter. Building height, number of stories and building area provisions shall be applied independently. For the purposes of determining area limitations, height limitations and type of construction, each portion of a building separated by one or more fire walls complying with Section 706 shall be considered to be a separate building. Where a building contains more than one distinct type of construction, the building shall comply with the most restrictive area, height, and stories, for the lesser type of construction or be separated by fire walls, except as allowed in Section 510. (9) Fireblocks and draftsto s in combustible construction. Section 708.4.2 is hereby amended to read as follows: 708.4.2 Fireblocks and draftsto s in combustible construction. In combustible construction where fire partitions do not extend to the underside of the floor or roof sheathing, deck or slab above and along the line of the frre partition shall be provided with one of the following: Fireblocking up to the underside of the floor or roof sheathing, deck or slab above using materials complying with Section 718.2.1. b. Draftstopping up to the underside of the floor or roof sheathing, deck or slab above using materials complying with Section 718.3.1 for floors or Section 718.4.1 for attics. Exceptions: 1. Buildings equipped with an automatic sprinkler system installed throughout in accordance with Section 903.3.1.1, or in accordance with Section 903.3.1.2 provided that sprinkler protection is provided in the space between the top of the frre partition and the underside of the floor or roof sheathing, deck or slab above as required for systems complying with Section 903.3.1.1. Portions of buildings containing concealed spaces filled with noncombustible insulation as permitted for sprinkler omission shall not apply to this exception for draftstopping. 2. Where corridor walls provide a sleeping unit or dwelling unit separation, draftstopping shall only be required above one of the corridor walls. 3. In Group R-2 occupancies with fewer than four dwelling units, fireblocking and draftstopping shall not be required. 4. In Group R-2 occupancies up to and including four stories in height in buildings not exceeding 60 feet (18,288 mm) in height above grade plane, the attic space shall be subdivided by draftstops into areas not exceeding 3,000 square feet (279 m2) or above every two dwelling units, whichever is smaller. In Group R-3 occupancies with fewer than three dwelling units, fireblocking and draftstopping shall not be required in floor assemblies. (10) Draftstopping in floors. Section 718.3 is hereby amended to read as follows: 718.3 Draftstoppin� in floors. Draftstopping shall be installed to subdivide floor/ceiling assemblies where required by Section 708.4.2. In other than Group R occupancies, draftstopping shall be installed to subdivide combustible floorlceiling assemblies so that horizontal floor areas do not exceed 1,000 square feet (93 m'). Exception: Buildings equipped throughout with an automatic sprinkler system in 10 accordance with Section 903.3.1.1 and provided that in combustible construction, sprinkler protection is provided in the floor space. (11) Draftstoppin� in attics. Section 718.4 is hereby amended to read as follows: 718.4 Draftstopping in attics. Draftstopping shall be installed to subdivide attic spaccs where required by Section 708.4.2. In other than Group R, draftstopping shall be installed to subdivide combustible attic spaces and combustible concealed roof spaces such that any horizontal area does not exceed 3,000 square feet (279 m2). Ventilation of concealed roof spaces shall be maintained in accordance with Section 1202.2.1. Exception: Buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 and provided that in combustible construction, sprinkler protection is provided in the attic space. (12) Group F-1 Distilled spirits. Section 9032.4.2 is hereby amended to read as follows: 903.2.4.2 Group F-1 distilled spirits. An automatic sprinkler system shall be provided throughout a Group F-1 fire area used for the manufacture of distilled spirits involving more than 120 gallons of distilled spirits (> 16% alcohol) in the fire area at any one time. (13) Group S-1 Distilled spirits or wine. Section 903.2.9.3 is hereby amended to read as follows: 903.2.9.3 Group S-1 distilled spirits or wine. An automatic sprinkler system shall be provided throughout a Group S-1 fire area used for the bulk storage of distilled spirits or wine involving more than 120 gallons of distilled spirits or wine (> 16% alcohol) in the fire area at any one time. (14) NFPA 13R sprinkler s, s� Section 903.3.1.2 is hereby amended to read as follows: 903.3.1.2 NFPA 13R sprinkler s. sy tem. Automatic sprinkler systems in Group R occupancies shall be permitted to be installed throughout in accordance with NPPA 13R where the Group R occupancy meets all of the following conditions: 1. Four stories or less above grade plane. 2. The floor level of the highest story is 35 feet (10,668 mm) or less above the lowest level of fire department vehicle access. 3. The floor level of the lowest story is 35 feet (10,668 mm) or less below the lowest level of fire department vehicle access. The number of stories of Group R occupancies constructed in accordance with Sections 510.2 and 510.4 shall be measured from grade plane. 11 (15) NFPA 13D sprinkler systems. Section 903.3.1.3 is hereby amended to read as follows: 903.3.1.3 NFPA 13D sprinkler systems. Automatic sprinkler systems installed in onc- and two-family dN�ellings; Group R-3; Group R-4, Condition 1; and townhouses shall be permitted to be installed throughout in accordance with NFPA 13D or in accordance with state law. (16) Freeze protection. Sections 903.3.1.4, 903.3.1.4.1 and 903.3.1.4.2 is hereby added to read as follows: 903.3.1.4 Freeze protection. Freeze protection systems for automatic fire sprinkler systems shall be in accordance with the requirements of the applicable referenced NFPA standard and this section. 903.3.1.4.1 Attics. Only dry pipe, preaction, or listed antifreeze automatic fire sprinkler systems shall be allowed to protect attic spaces. Exception: Wet-pipe fire sprinkler systems shall be allowed to protect non-ventilated attic spaces where: l. The attic sprinklers are supplied by a separate floor control valve assembly to allow ease of draining the attic system without impairing sprinklers throughout the rest of the building, and 2. Adequate heat shall be provided for freeze protection as per thc applicable referenced NFPA standard, and 3. The attic space is a part of the building's thermal, or heat, envelope, such that insulation is provided at the roof deck, rather than at the ceiling level. 903.3.1.4.2 Heat trace/insulation. Heat trace/insulation shall only be allowed where approved by the fire code official for small sections of large diameter water-filled pipe. (17) Water supplies. Section 903.3.5 is hereby amended to read as follows: 903.3.5 Water supplies. Water supplies for automatic sprinkler system shall comply with this section and the standards referenced in Section 903.3.1. The potable water supply shall be protected against backflow in accordance with the requirements of this section and the International Plumbing Code. For connections to public waterworks systems, the water supply test used for design of fire protection systems shall be adjusted to account for seasonal and daily pressure fluctuations based on information from the water supply authority and as approved by the fire code official. Water supply as required for such systems shall be provided in accordance with thc supply requirements of the respective standard; however, every water-based fire 12 protection system shall be designed with a 10 psi safety factor. Reference the International Fire Code Section 507.4 for additional design requirements. (18) Snrinkler system supervision and alarms. Section 903.4 is hereby amended to read as follows: 903.4 Sprinkler system supervision and alarms. Valves controlling the water supply for automatic sprinkler systems, pumps, tanks, water levels and temperatures, critical air pressures and waterflow switches on all sprinkler systems shall be electrically supervised by a listed fire alarm control unit. Exceptions: l. Automatic sprinkler systems protecting one- and two-family dwellings. 2. Limited area sprinkler systems in accordance with Section 903.3.8. Automatic sprinkler sysiems installed in accordance with NFPA 13R where a common supply main is used to supply both domestic water and the automatic sprinkler system, and a separate shutoff valve for the automatic sprinkler syslem is not provided. 4. Jockey pump control valves that are sealed or locked in the open position. 5. Control valves to commercial kitchen hoods, paint spray booths or dip tanks that are sealed or locked in the open position. 6. Valves controlling the fuel supply to fire pump engines that are sealed or locked in the open position. 7. Trim valves to pressure switches in dry, preaction and deluge sprinkler systems that are sealed or locked in the open position. Underground key or hub gate valves in roadway boxes. Sprinkler and standpipe system water-flow detectors shall be provided for each floor tap to the sprinkler system and shall cause an alarm upon detection of water flow for more than 45 seconds. All control valves in the sprinkler and standpipe systems except for fire department hose connection valves shall be electrically supervised to initiate a supervisory signal at the central station upon tampering. Buildings without a fire alarm system shall have their valves locked in their normal position. (19) Group E fire alarm system. Section 907.2.3 is hereby amended to read as follows: 907.2.3 Group E. A manual fire alarm system that initiates the occupant notifcation signal utilizing an emergency voicelalarm communication system meeting the requirements of Section 907.5.2.2 and installed in accordance with Section 907.6 13 shall be installed in Group E educational occupancies. Where automatic sprinkler systems or smoke detectors are installed, such systems or detectors shall be connected to the building fire alarm system. An approved smoke detection system shall be installed in Group E day care occupancies. Unless separated by a minimum of 50' open space, all buildings, whether portable buildings or the main building, will be considered one building for alarm occupant load consideration and interconnection of alarm systems. Exceptions: l. A manual fire alarm system shall not be required in Group E occupancies with an occupant load of 50 or less. 1.1 Residential In-Home day care with not more than 12 children may use interconnected single station detectors in all habitable rooms. (For carc of more than five children 2 1/2 or less years of age, see Section 9072.6.) 2. Emergency voice/alarm communication systems meeting the requirements of Section 907.5.2.2 and installed in accordance with Section 907.6 shall not be required in Group E occupancies with occupant loads of 100 or less, provided that activation of the manual fire alarm system initiates an approved occupant notification signal in accordance with Section 907.5. 3. Manual fire alarm boxes shall not be required in Group E occupancies where all of the following apply: 3.1 Interior corridors are protected by smoke detectors. 3.2 Auditoriums, cafeterias, gymnasiums and similar areas are protected by heat detectors or other approved detection devices. 3.3 Shops and laboratories involving dusts or vapors are protected by heat detectors or other approved detection devices. 3.4 Manual activation is provided from a normally occupied location. 4. Manual iire alarm boxes shall not be required in Group E occupancies where all of the following apply: 4.1 The building is equipped throughout with an approved automatic sprinkler system installed in accordance with Section 903.3.1.1. 4.2 The emergency voice/alarm communication system will activate on sprinkler waterflow. 4.3 Manual activation is provided from a normally occupied location. 14 (20) Corridor construction. Section 1020.2 is hereby amended to read as follows: 1020.2 Construction. Corridors shall be fire-resistance rated in accordance with Table 1020.2. The corridor walls required to be fire-resistance rated shall comply with Section 708 for fire partitions. Exceptions: 1. A fire-resistance rating is not required for corridors in an occupancy in Group E where each room that is used for instruction has not less than one door opening directly to the exterior and rooms for assembly purposes have not less than one- half of the required means of egress doors opening directly to the exterior. Exterior doors specified in this exception are required to be at ground level. 2. A fire-resistance rating is not required for corridors contained within a dwelling unit or sleeping unit in an occupancy in Group I-1 and R. 3. A fire-resistance rating is not required for corridors in open parking garages. 4. A fire-resistance rating is not required for corridors in an occupancy in Group B that is a space requiring only a single means of egress complying with Section 1006.2. 5. Corridors adjacent to the exterior malls of buildings shall be permitted to have unprotected openings on unrated exterior walls where unrated walls are permitted by Table 705.5 and unprotected openings are permitted by Table 705.8. 6. In unsprinklered Group B occupancies, corridor walls and ceilings need not be of fire-resistive construction within a single tenant space when the space is equipped with approved automatic smoke-detection within the corridor. The actuation of any detector must activate self-annunciating alarms audible in all areas within the corridor. Smoke detectors must be connected to an approved automatic fire alarm system where such system is provided. (21) Accessibilitv. Section 1101.1 is hereby amended to read as follows: 1101.1 Scope. The provisions of this chapter shall control the design and construction of facilities for accessibility for individuals with disabilities. Exception: Components of projects regulated by and registered with Architectural Barriers Division of Texas Department of Licensing and Regulation shall be decmed to be in compliance with the requirements of this chapter. (22) Secondar (�emer�ency overflow) drains or scuppers. Section 1502.2 is hereby amended to read as follows: 15 1502.2 Secondary (emer�ency overflow) drains or scuppers. Where roof drains are required, secondary (emergency overflow) roof drains or scuppers shall be provided where the roof perimeter construction extends above the roof in such a manner that water will be entrapped if the primary drains allow buildup for any reason. The installation and sizing of secondary emergency overflow drains, leaders and conductors shall comply with Section 1611 of this code and Chapter 11 of the International Plumbing Code. Refer to Figures L 1611.2(1), L 1611.2(2), and L1611.2(3) for roof drainage system constructions. The roof structure shall be designed to support the load of ponding rainwater when the rain load on the undeflected roof exceeds 20 psf (0.96 kN/m2) as determined by Section 1611.1. (23) Scuppers. Section 1502.3 is hereby amended to read as follows: 1502.3 Scuppers. Where scuppers are used for secondary (emergency overflow) roof drainage, the quantity, size, location and inlet elevation of the scuppers shall be sized to prevent the depth of ponding water from exceeding that for which the roof was designed as determined by Sections 1607.14, 1608, and 1611. The flow through the primary system shall not be considered when locating and sizing scuppers. The quantity, size, location and inlet elevation of the secondary overflow scuppers shall be designed and constructed to meet all of the following, as applicable: Where secondary overflow scuppers are used, they shall be sized to have an opening area at least three times the area of the primary roof drains, shall have a minimum opening dimension (height or width) of 4 inches, and shall be installed in the adjacent parapet walls with the inlet flow line located not more than 2 inches (51 mm) above the low point of the roof drainage area served. Refer to Figure L1611.2(4). 2. Where secondary overflow drains are used in lieu of scuppers, they shall have the same size as the primary roof drains and shall be installed with the inlet flow line located not more than 2 inches (51 mm) above the low point of the roof drainage area served. Refer to Figure L1611.2(5). 3. Secondary overflow drains shall discharge to an approved location and shall not be connected to the primary roof drain lines. (24) General (Live loads). Section 1607.1 is hereby amended to read as follows: 1607.1 General. Live loads are those loads defined in Chapter 2 of this code. A summary of various live load factors, as well as other climatic and geographic design criteria to be used in Lubbock, Texas, is included in Table L1607 below. 15 TABLE L1607 SUMMARY OF CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA Ground Snow Load: Pg = 15 psf Design Wind Speed: Risk Category I Buildings: V= 105 mph, Vasd = 81.5 mph Risk Category II Buildings: V— 115 mph, Vasd = 89 mph Risk Category III and IV Buildings: V= 120 mph, Vasd = 93 mph Seismic Design Category: SDC = A Mapped Spectral Response Acceleration atSs = 0.078g Short Period: Mapped Spectral Response Acceleration atSl = 0.032g 1- Second Period: Weathering: Moderate Frost Line Depth: 12 inches Termite: Moderate to Heavy Decay: None to Slight Summer Dry Bulb Temperature: 96 degrees F Summer Wet Bulb Temperature: 69 degrees F Winter Dry Bulb Temperature: 15 degrees F Heating Degree Days: 3499 days Cooling Degree Days: 1738 days Climate Zone: 3B Flood Hazards: Refer to Article 39.05 of the Unified Development Code (UDC). 17 TABLE L1607 SUMMARY OF CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA 100-Year Hourly Rainfall Rate: i= 3.3 inches per hour (25) General {Reduction in uniform roof live loads}. Section 1607.14.2 is hereby amended to read as follows: 1607.14.2 Reduction in uniform roof live loads. The minimum uniformly distributed live loads of roofs and marquees, Lo, in Table 1607.1 are permitted to be reduced in accordance with Section 1607.14.2.1 except that no roof live load reduction is permitted for any structural roof inember on roofs having slopes less than or equal to four (4) inches per foot, or on any arch or dome having a rise less than one-eighth of the span. (26) �ecial desi�n rain loads. A new Section 1611.4 is hereby added, which shall read as follows: 1611.4 Special design rain loads. Where the roof perimeter construction extends above the roof and scuppers are used for either primary drainage or secondary emergency overflow, the scuppers shall be designed in accordance with Table L1611.2 in order to limit the rain load on the roof to 20 psf (0.96 kN/m2) or less. Z'he roof structure shall be designed for additional rain load in accordance with Section 1611.1 if the wall and roof drainage areas contributing water to a scupper exceed the values shown in Table L1611.2. 18 x�r awrtu i REQUiREO > ORAlN OvER �F EDGE RppF G1ITTER AS REQWREO, PRIMARY ROOF DRAIN, IPC TABLE L1106.6 MAfiY ROOF -� JN, IPC TABIE 06.2(1) >owNSPour �s Reou�Reo, �Pc rne�E > >os.2(z) CE OF ISTING �LL ;IMI►RY STORM JUN, IPC TABLE 106.2 (1) ovERF�ow OISCw�RCE A80VE GRADE FINISH CRADE �•) FncE oF EXISTING wAu PRIMARY STORM - ORAIN, IPC TABIE ��tas.2(�) SECONDARY STORM ORAIN, IPC TA6LE �>>os.2(�) OVERFLOW OISCHARGE A80VE CRA�E FlRST FLOOR � LINE (TYP.) DRAIN TO STORAI DRNNAGE SYSTEAI ROOF DRAINAGE ROOF ORAIN ANO AND SLOPEO ROOF OVERFLOW DRAIN IBC FICURE L1611.2(1) IBC FIGURE L1611.2(2) �OVERFLOW SCUPPER, SECONOARY ROOF ORAIN, IBC TABLE 11611.2 AND IPC TABLE L1107.3(2) r "J �� � . II LOW POINT II OF ROOF II �� I �� I I OPTIONAL (� OVERFLOW OOWNSPOUT, i� IPC TABLE 11 L1106.2(2) il 11 11 II �� II � � -- OVERFIOW I I ' OISCHARGE �� ABOVE GRADE �RAIN TO STORM ORAINAGE SYSTEM ROOF ORAIN ANO OVERFIOW SCUPPER IBC FlCURE L1611.2(3) 19 NOTE: OVERFLOW SCUPPERS SHALL HAVE 3 TIMES THE AREA OF THE ROOF �RNN AND SHALL HAVE A MINIMUM HEIGHT OF 4". SECONOARY ROOF DRAIN, IPC TABLE 11 106.2(1) -� -�J ~ PRIMARY ROOF DRAIN, IPC TABLE L 1106.2(1) - �ow Po�►� OF ROOF a z � Z �a � 0 � N� ro ri � o � W a �� �� Z 41 -_ � v �� N 0 $ PArtMEr wn�� SCUPPER IN EXTERIOR WALI, SECONDARY ROOF ORAINAGE SYSTEM, TOP OF 18C TABLE L1611.2 __ � � INLET LEVEL OF -- TOP Of OVERFLOW DR/UN PONOED RAINWATER -- - -'7' � +�.- j�4:12 MINIMUM ROOF SLOPE ROOF ORAIN AT LOW POINT OF ROOF, PRIMARY ROOF DRAINAGE SYSTEM IPC TABLE L1 106.3 ROOF DRlUN AT LOw -- POINT OF ROOF, PRIMARY ROOF DRAINAGE SYSTEM _.�,.�.o,,, .._---._�- iPC TABIE L1t06.2(1) TYPICAL PERIMETER WALL SCUPPER IBC FICURE L1611.2(4) SECON�ARY OVERFLOW pRAIN �o�� � a a IPC TABLE Lt 106.3 INDEPENOENT DRAIN UNES, IPC TABLE L1t06.2(1) T1fPICAL INTERIOR ROOF ORAINS 18C FIGURE L1611.2(5) � �PONOEO RAINWATER .T — L — „� �g �o � °� a �� (27) Site r�� Section 1804.4 is hereby amended to read as follows: 1804.4 Site rg adin� The ground immediately adjacent to the foundation shall be sloped away from the building at a slope of not less than 1 unit vertical in 20 units horizontal (5-percent slope) for a minimum distance of 10 feet (3048 mm) measured perpendicular to the face of the wall. If physical obstructions or lot lines prohibit I 0 feet (3048 mm) of horizontal distance, a 5-percent slope shall be provided to an 20 approved alternative method of diverting water away from the foundation. Swales used for this purpose shall be sloped not less than 2 percent where located within 10 feet (3048 mm) of the building foundation. Impervious surfaces within 10 feet (3048 mm) of the building foundation shall be sloped not less than 2 percent away from the building. The procedure used to establish the final ground level adjacent to the foundation shall account for additional settlement of the backfill. Exceptions: 1) Where climatic or soil conditions warrant, the slope of the ground away from the building foundation shall be permitted to be reduced to not less than 1 unit vertical in 48 units horizontal (2-percent slope). 2) Impervious surfaces shall be permitted to be sloped less than 2 percent where the surface is a door landing or ramp that is required to comply with Section 1010.1.4, 1012.3 or 1012.6.1. 3) Where approved by the building offrcial, final site grading may be designed by a design professional registered in the State of Texas. (28) Foundation elevation. Section 1808.7.4 is hereby amended to read as follows: 1808.7.4 Foundation elevation. Minimum building floor elevations shall comply with Table 1808.7.4 based on relative lot slopes. TABLE 1808.7.4 MINIMUM FLOOR ELEVATION FOR STRUCTURES RELATIVE TO SLOPES OF THE LOT Difference in elevation from Minimum floor elevation Minimum floor top of curb to rear property above top of curb when elevation above top of line (inches) slope is to rear (inches) curb when slope is to front (inches) 0 12 12 6 10.5 13.5 12 9 15 18 8 16.5 24 6 18 30 6 19.5 Z1 TABLE 1808.7.4 MINIMUM FLOOR ELEVATION FOR STRUCTURES RELATIVE TO SLOPES OF THE LOT Difference in elevation from Minimum floor elevation Minimum floor top of curb to rear property above top of curb when line (inches) slope is to rear (inches) 36 6 1) See Section 1804.4 for grading requirements; elevation above top of curb when slope is to front (inches) 21 2) The minimum floor elevation shall be determined by using the top of the floor slab and shall be a minimum of six (6) inches above the calculated peak water surface elevation as determined by the City Engineer, or that determined by Table 1808.7.4, whichever results in the more stringent requirement. It shall be the responsibility of the builderlcontractor to provide the building official with a survey certificate indicating thc required finished floor elevation as determined by the surveyor. The required elevation shall be indicated on the construction plans. Structures located in any flood hazard area shall comply with Article 39.05 of the Unified Development Code (UDC), as well as all F.E.M.A. regulations, which will supersede the above. 3) Alternate elevations are permitted subject to review and approval by the City Engineer and the Building Official provided it can be demonstrated by a registered design professional that all required drainage to an approved point of discharge away from the structure is provided at all locations on the site. (29) Prescriptive footin s for li�ht-frame construction. Section 1809.7 is hereby amended to read as follows: 1809.7. Prescriptive footin s�for li�ht-frame construction. Where a specific design is not provided, concrete footings supporting walls of light-frame construction shall be permitted to be designed in accordance with Tables 1809.7.1 and 1809.7.2 and figures 1809.7.1 through 1809.7.3 below, where permitted by law. (30) Table 1809.7 "Prescriptive Footin�pporting Walls of Li�ht-Frame Construction". Table 1809.7 is hereby replaced by Tables 1809.7.1 and 1809.7.2 as follows: Z2 TABLE 1809.7.1 FOOTINGS SUPPORTING WALLS OF LIGHT-FRAME CONSTRUCTION a,b,c (Monolithic Slab-on-Ground Foundation - Refer to figure 1809.7.1) Number of Floors Supported by the Footing 1 2 3 Width of Footing (Inches) No Brick 4" Brick Veneer Veneer 16 Design Required Notes to tables 1809.7.1 and 1809.7.2: 12 a. Depth of footings shall be in accordance with Section 1809.4 and Table L 1607 b. Footings are permitted to support a roof in addition to the stipulated number of floors. Footings supporting roof only shall be as required for supporting one floor. Thickness of Footing (Inches) No Brick 4" Brick Veneer Veneer Z3 TABLE 1809.7.1 FOOTINGS SUPPORTING WALLS OF LIGHT-FRAME CONSTRUCTION a, b, c (Monolithic Slab-on-Ground Foundation - Refer to figure 1809.7.1) Width of Footing Thickness of Footing Number of Floors Supported by the Footing (Inches) No Brick 4" Brick Veneer Veneer (Inches) No Brick 4" Brick Veneer Veneer c. Assumes uniform loading by repetitive framing membcrs; concentrated loads shall be considered separately, and may require specific engineering design. TABLE 1809.7.2 FOOTINGS SUPPORTING WALLS OF LIGHT-FRAME CONSTRUCTION a, b, c (Combination Slab-on-Ground Foundation - Refer to f gure 1809.7.2) Width of Footing Thickness of Footing Number of Floors Supported by the Footing (Inches) No Brick 4" Brick (Inches) No Brick 4" Brick 24 TABLE 1809.7.1 FOOTINGS SUPPORTING WALLS OF LIGHT-FRAME CONSTRUCTION a, b, c (Monolithic Slab-on-Ground Foundation - Refer to figure 1809.7.1) Width of Footing Thickness of Footing (Inches) (Inches) Number of Floors Supported by the No Brick 4" Brick No Brick 4" Brick Footing Veneer Veneer Veneer Veneer Veneer Veneer Veneer Veneer � 2 � Notes to Tables 1809.7.1 and 1809.7.2: Design Required a. Depth of footings shall be in accordance with Section 1809.4 and Table L1607 b. Footings are permitted to support a roof in addition to the stipulated number of floors. Footings supporting roof only shall be as required for supporting one floor. c. Assumes uniform loading by repetitive framing membcrs; concentrated loads shall be considered separately, and may require specific engineering design. 16 12 25 (31) Foundation details. New figures 1809.7.1, 1809.7.2 and 1809.7.3 are hereby added as follows: i � 0 � N FILL CAVITY NhTH GROUT � I^ o Z I � � UNFORMED �' CONTINUOUS � FOOTINC � CONCRETE SlA6- � ON—GRAUE 'MTH (JS AT v 16" OCEW OR 6x6- , w�.4xwi.a N � I� — — —1Tf . . f � . � COuPACTED FiLL I 6 MIL VAPOR I � � RETARDER 2-�I4 BARS CONT. TOP AND BOTTOM (LAP 18" AT SPlICES) g3 TIFS AT 3" CLR. 4�-�� O.C. FOR ONE- AND � TVlO-STORY CONSTRUCTION � -4 8� ,,. ilG U R�•IIN.) (IdIN.) MONOUT111C SLA8809ON �CROUND (SEE fiG. 1809.7.3 F'OR INTERiOR FOOIiNG RF.QUIRf MENTS) 26 i � � 0 i N FILL CAVITY 1NTH GROUT a i � 2 � � � UNFORMED � CONTINUOUS M FOOTING � _� � N � 2-�y4 BARS CONT. TOP AND BOTT01.1 8.. (�AP 18" AT SPLICES) �iN.) �3 T1ES AT 3" CLR. 24" O.C. FOR OtJE- AND ,o. TYPO- S TOR Y CONSTRUCTION � -4� 8� MIN. (MIN.) �� TWO-POU��CO�BINATION FOOTING (SEE FIG. 1809.7.3 fOR I�TER�OR f0071NG REQUIREMENTS) —CONCRETE SL�B-- ON-GRAOE VATH �3 AT i6' OCEY/ OR 6X6- vr�.axw�.a 1'-4" _ � —(?AIN.)------ : o z i � • 2-8� BARS CONT. SET ON REBAR CHAIRS UNi'ORME� CONTINUOUS FOOTINC 3" C�R. y3 T�ES AT 32" O.C. � J • � U i COMPACTED `� FILL 6 MI� VAPOH RETARDER, OVERLAP 6" AND TAPE PER MFR. RCCOMENDATICN FOf2 O4E- AND TWO-STORY �'_ q- CONSTRUCTION (MIN. ) CON 11NUOU5 F�A�If�fG��ALL �ERIOR LOAD CONCRETE SlAB- pN--GRADE KY7H ,�3 AT 16" OCEW OR 6X6- w�.axwi.a L i --- r . . . . I '� COt�F'ACTED FILL � � 6 MIL VAPOR . RETARDER Z7 (32) Scope of general plumbin� systems. Section 2901.1 is hereby amended to include a second paragraph to read as follows: The provisions of this chapter are meant to work in coordination with the provisions of Chapter 4 of the International Plumbing Code. Should any conflicts arise between the two chapters, the building official shall determine which provision applies. (33) Minimum number of fixtures. Section 2902.1 is hereby amended to read as follows: 2902.1 Minimum number of fixtures. Plumbing fixtures shall be provided in the minimum number as shown in Table 2902.1 based on the actual use of the building or space. Uses not shown in Table 2902.1 shall be considered individually by the code official. The number of occupants shall be determined by this code. In other than Group E occupancies, the minimum number of fixtures in Table 2902.1 may be lowered, if requested in writing, by the applicant stating reasons for a reduced number and approved by the building offtcial. (34) Minimum number of required plumbing fixtures. Table 2902.1 is hereby amended to include an additional footnote that reads as follows: g. Drinking fountains are not required in Group M occupancies with an occupant load of 100 or less, Group B occupancies with an occupant load of 25 or less, and for dining and/or drinking establishments. (35) Zonin�regulations. A new Section H101.1.1 is hereby added to read as follows: H 101.1.1 Zonin regulations. The Unified Development Code (UDC) regulates the permissibility, placement, and physical characteristics of signs upon premises within the city based on particular zoning district requirements. Any reference to a particular sign type, size, height, or other physical characteristic within this appendix should not therefor be construed as allowing such if otherwise prohibited or regulated by the Unified Development Code (UDC). (36) Si�ns exempt from permits. Section H101.2 is hereby amended to read as follows: H 101.2 Signs exempt from permits. The following signs are exempt from the requirements to obtain a permit before erection: Temporary signs announcing the sale or rent of property. 2. Signs erected by transportation authorities. 3. The changing of moveable parts of an approved sign that is designed for such changes, or the repainting or repositioning of display matter shall not be deemed an alteration. 28 4. Other signs as set forth in the Unified Development Code (UDC), or as deemed appropriate by the building and zoning officials. (37) Permits, drawings and specifications. Section H105.2 is hereby amended to read as follows: H 105.2 Permitsx drawings and specifications. Where a permit is required, construction documents shall be required. These documents shall show the dimensions, materials and required details of construction, including loads, stresses and anchors. The construction documents shall bear the seal of a professional engineer licensed in the State of Texas. A dimensioned site plan and elevation drawings sufficient to demonstrate compliance with all other city requirements shall also be submitted. Exceptions: Documents for the following sign types shall not be required to bear the seal of a professional engineer: Monument signs not exceeding seven (7) feet in height. 2. Wall signs attached flat to the building wall. (38) General (roof si nsZ Section H110.1 is hereby amended to read as follows: H 110.1 General (roof signsZ Roof signs shall be constructed entirely of inetal or other approved noncombustible material except as provided for in Sections H106.1.1 and H 107.1. Provisions shall be made for electric grounding of inetallic parts. Where combustible materials are permitted in letters or other ornamental features, wiring and tubing shall be kept free and insulated therefrom. Roof signs shall be so constructed as to leave a clear space of not less than 6 feet (1829 mm) between the roof level and the lowest part of the sign and shall have at least 5 feet (1524 mm) clearance between the vertical supports thereof. Where such clearances cannot be provided, structural analysis of the roof supporting elements shall be undertaken by a structural engineer, including the added dead and wind loading of the sign, and any necessary strengthening provided. No portion of any roof sign structure shall project beyond an exterior wall. SECTION 2. THAT violation of any provision of this ordinance shall be deemed a misdemcanor punishable as provided by Section 1.01.004 of the Code of Ordinances of the City of Lubbock, Texas. SECTION 3. THAT should any paragraph, sentence, clause, phrase or word of this Ordinance be declared unconstitutional or invalid for any reason, the remainder of this Ordinance shall not be affected thereby. 29 SECTION 4. THAT pursuant to Section 214.218 of the Texas Local Government Code, this Ordinance shall not be implemented or enforced until after the 30th day after the date of final adoption. SECTION 5. THAT the City Secretary of the City of Lubbock, Texas, is hereby authorized and directed to cause publication of the descriptive caption of this Ordinance as an alternative means of publication provided by law. AND IT IS SO ORDERED. Passed by the City Council on first reading on March 5, 2024 Passed by the City Council on second reading on March 26, 2024 A APPROVEll AS TO CONTENT: obert Wallace, Director of Development Services 7 Am L 1 s, Deput . y Attorney � 30 Courtney Yaz, City Secretary