Adoption and Amendment of Codes and Standards

29 V.I.C. § 292a — under Building Code.

29 V.I.C. § 292a

(a) General. The Codes set forth in this title are hereby adopted by reference. Such Codes shall be kept available for use or reference by the general public by the Department of Planning and Natural Resources. No special permit shall be required for the installation of the type of equipment covered except insofar as building structural elements are involved and electrical and plumbing connections are to be made. Building, electrical, and plumbing permits respectively shall be required where such work is to be done. If, however, on any inspection of work involving elevators, moving stairs, dumbwaiters, boilers, gas piping, gas appliances, and mechanical refrigeration systems (including air conditioning units), equipment and installation work is found not to conform to the Codes cited in this title, the Commissioner may order that corrections be made.

(b) Public and Non-Public Buildings (1) International Building Code. The International Building Code, effective March 1, 2018, promulgated and published by the International Code Council, and any subsequent editions or amendments thereto, is adopted and incorporated by reference in the Virgin Islands Building Code as if fully set forth, except as it is amended by the following provisions and any subsequent amendments adopted pursuant to Section 292(h) of this chapter. Each subsequent edition of the International Building Code shall become effective six months after publication. This code shall be applicable to every public and non-public building and structure in the Virgin Islands except one- and two-family dwellings and townhouses not more than three stories in height with a separate means of egress, and their accessory structures not more than three stories in height.(2) International Building Code Appendices. Provisions in the appendices of the International Building Code shall not apply unless specifically adopted by the Commissioner of the Department of Planning and Natural Resources. The following appendices are hereby specifically adopted and incorporated by reference: Appendix E - Supplementary Accessibility Requirements; Appendix F - Rodent Proofing; Appendix G - Flood Resistant Construction; Appendix I - Patio Covers; Appendix M - Tsunami Generated Flood Hazards; and Appendix N - Replicable Buildings.(3) International Building Code Amendments. When the International Building Code is amended, the provisions herein shall be amended as set forth in this section, where new text is shown underlined, deleted text is shown with strike-thru, and “Reserved” means the section or item designation is retained and the content is deleted in its entirety. Subsequent amendments may be adopted by the Commissioner of the Department of Planning and Natural Resources pursuant to section 292a of this chapter. The following amendments are hereby adopted.(A) IV structure and shall be provided with a storm shelter constructed in accordance with ICC 500. The Commissioner shall maintain a record of buildings with storm Reserve Section 402.6.4 as follows: Section 402.6.4 Plastic Signs. [Reserved.](B) Add a new Section 423.3.1 as follows: Section 423.3.1 Hurricane shelters. Public schools with an occupant load of 50 or more, 911 call stations, emergency operations centers and fire, rescue, ambulance and police stations shall comply with Table 1604.5 as a Risk Category shelters.(C) Modify Section 1505.10 as follows: Section 1505.10 Roof gardens and landscaped roofs. Roof gardens and landscaped roofs shall comply with Section 1505.1 and 1507.16 and shall be installed in accordance with ANSI/SPRI VF-1. Stone, loose materials or garden debris capable of becoming wind-borne debris during a hurricane shall not be used as part of the design and be removed regularly.(D) Add a new Section 1612.2.1 as follows: Section 1612.2.1 Additional requirements for enclosed areas below elevated buildings. In addition to the requirements of ASCE 24, enclosed areas below elevated buildings:(1) Shall not be partitioned or finished into separate rooms except for stairwells, ramps, and elevators, unless a partition is required by the fire code. Where perimeter wall foundations are permitted, this limitation does not apply to load-bearing walls interior to the perimeter walls or partition walls when constructed above the base flood elevation.(2) Shall have the minimum necessary access to allow for parking of vehicles (garage door) or limited storage (standard exterior door) or entry to the elevated building (stairway or elevator).(3) Shall, in coastal high hazard areas and Coastal A Zones, be enclosed only by insect screening, lattice work or decorative screening, provided the screening or lattice work is designed to break away under base flood or lesser conditions without imparting additional flood loads to the foundation of the building.(E) Modify Section 1612.3 as follows: Section 1612.3 Establishment of flood hazard areas. To establish flood hazard areas, the applicable governing authority shall adopt a flood hazard map and supporting data. The flood hazard map shall include, at a minimum, areas of special flood hazard as identified by the Federal Emergency Management Agency in an engineering report entitled “The Flood Insurance Study for U.S. Virgin Islands,” dated April 16, 2007, as amended or revised with the accompanying Flood Insurance Rate Map (FIRM) and Flood Boundary and Floodway Map (FBFM) and related supporting data along with any revisions thereto. The adopted flood hazard map and supporting data are hereby adopted by reference and declared to be part of this section.(F) Modify Section 2901.1 as follows: Section 2901.1 Scope. The provisions of this chapter and the Uniform Plumbing Code shall govern the design, construction, erection and installation of plumbing components, appliances, equipment and systems used in buildings and structures covered by this code. Toilet and bathing rooms shall be constructed in accordance with Section 1209. Private sewage disposal systems shall conform to the International Private Sewage Disposal Code. The International Fire Code, and the Uniform Plumbing Code shall govern the use and maintenance of plumbing components, appliances, equipment and systems. The Uniform Plumbing Code shall govern the alteration, repair, relocation, replacement and addition of plumbing components, appliances, equipment and systems.(G) Modify Appendix G Section G103.4 as follows: Section G103.4 Activities in riverine flood hazard areas with base flood elevations. In riverine flood hazard areas where base elevations are specified but floodways have not been designated, the building official shall not permit any new construction, substantial improvement or other development or encroachment, including fill, unless the applicant submits an engineering analysis prepared by a registered design professional, demonstrating that the cumulative effect of the proposed development, when combined with all other existing and anticipated flood hazard area encroachment, will not increase the base flood elevation more than one foot (305 mm) at any point within the community.(H) Add a new Appendix G Section G103.4.1 as follows: Section G103.4.1 Activities in riverine flood hazard areas without base flood elevations. In riverine flood hazard areas where base flood elevations are not specified and floodways have not been designated, the building official shall not permit any new construction, substantial improvement or other development or encroachment, including fill, within a minimum distance of 25 feet from the top of the stream bank on each side, or 30 feet from the centerline of a stream, drainage way or swale, whichever is greater, unless the applicant submits an engineering analysis prepared by a registered design professional, demonstrating that the cumulative effect of the proposed development, when combined with all other existing and anticipated flood hazard area encroachment, will not result in any increase in flood levels during occurrence of the base flood discharge.(I) Add a new Appendix G Section G501.0 as follows: Section G501.0 Installation prohibited. Installation of manufactured homes in floodways shall not be permitted except in an existing manufactured home park or subdivision.(4) Additional requirements for public and non-public buildings. In addition to the requirements of the applicable building code, public and non-public buildings shall comply with the following:(A) Roof mounted solar panels. Where roof mounted solar panels are provided, the solar panels shall have a hail damage rating of VSH (very severe hail) in accordance with the latest edition of FM 4478, Roof Mounted Rigid Photovoltaic Modules.(B) Mechanically mounted rails or racks for solar panels. Mechanically anchored rails or racks for solar panels shall be specified. Ballasted racks or rails are not permitted. Racks and rails that are attached to the roof surface with adhesive are not permitted.(C) Gutters. Where external gutters are provided, gutter systems shall meet the requirements specified in the latest edition of ANSI/SPRI GT-1, Test Standard for Gutter Systems.

(1) International Building Code. The International Building Code, effective March 1, 2018, promulgated and published by the International Code Council, and any subsequent editions or amendments thereto, is adopted and incorporated by reference in the Virgin Islands Building Code as if fully set forth, except as it is amended by the following provisions and any subsequent amendments adopted pursuant to Section 292(h) of this chapter. Each subsequent edition of the International Building Code shall become effective six months after publication. This code shall be applicable to every public and non-public building and structure in the Virgin Islands except one- and two-family dwellings and townhouses not more than three stories in height with a separate means of egress, and their accessory structures not more than three stories in height.

(2) International Building Code Appendices. Provisions in the appendices of the International Building Code shall not apply unless specifically adopted by the Commissioner of the Department of Planning and Natural Resources. The following appendices are hereby specifically adopted and incorporated by reference: Appendix E - Supplementary Accessibility Requirements; Appendix F - Rodent Proofing; Appendix G - Flood Resistant Construction; Appendix I - Patio Covers; Appendix M - Tsunami Generated Flood Hazards; and Appendix N - Replicable Buildings.

(3) International Building Code Amendments. When the International Building Code is amended, the provisions herein shall be amended as set forth in this section, where new text is shown underlined, deleted text is shown with strike-thru, and “Reserved” means the section or item designation is retained and the content is deleted in its entirety. Subsequent amendments may be adopted by the Commissioner of the Department of Planning and Natural Resources pursuant to section 292a of this chapter. The following amendments are hereby adopted.(A) IV structure and shall be provided with a storm shelter constructed in accordance with ICC 500. The Commissioner shall maintain a record of buildings with storm Reserve Section 402.6.4 as follows: Section 402.6.4 Plastic Signs. [Reserved.](B) Add a new Section 423.3.1 as follows: Section 423.3.1 Hurricane shelters. Public schools with an occupant load of 50 or more, 911 call stations, emergency operations centers and fire, rescue, ambulance and police stations shall comply with Table 1604.5 as a Risk Category shelters.(C) Modify Section 1505.10 as follows: Section 1505.10 Roof gardens and landscaped roofs. Roof gardens and landscaped roofs shall comply with Section 1505.1 and 1507.16 and shall be installed in accordance with ANSI/SPRI VF-1. Stone, loose materials or garden debris capable of becoming wind-borne debris during a hurricane shall not be used as part of the design and be removed regularly.(D) Add a new Section 1612.2.1 as follows: Section 1612.2.1 Additional requirements for enclosed areas below elevated buildings. In addition to the requirements of ASCE 24, enclosed areas below elevated buildings:(1) Shall not be partitioned or finished into separate rooms except for stairwells, ramps, and elevators, unless a partition is required by the fire code. Where perimeter wall foundations are permitted, this limitation does not apply to load-bearing walls interior to the perimeter walls or partition walls when constructed above the base flood elevation.(2) Shall have the minimum necessary access to allow for parking of vehicles (garage door) or limited storage (standard exterior door) or entry to the elevated building (stairway or elevator).(3) Shall, in coastal high hazard areas and Coastal A Zones, be enclosed only by insect screening, lattice work or decorative screening, provided the screening or lattice work is designed to break away under base flood or lesser conditions without imparting additional flood loads to the foundation of the building.(E) Modify Section 1612.3 as follows: Section 1612.3 Establishment of flood hazard areas. To establish flood hazard areas, the applicable governing authority shall adopt a flood hazard map and supporting data. The flood hazard map shall include, at a minimum, areas of special flood hazard as identified by the Federal Emergency Management Agency in an engineering report entitled “The Flood Insurance Study for U.S. Virgin Islands,” dated April 16, 2007, as amended or revised with the accompanying Flood Insurance Rate Map (FIRM) and Flood Boundary and Floodway Map (FBFM) and related supporting data along with any revisions thereto. The adopted flood hazard map and supporting data are hereby adopted by reference and declared to be part of this section.(F) Modify Section 2901.1 as follows: Section 2901.1 Scope. The provisions of this chapter and the Uniform Plumbing Code shall govern the design, construction, erection and installation of plumbing components, appliances, equipment and systems used in buildings and structures covered by this code. Toilet and bathing rooms shall be constructed in accordance with Section 1209. Private sewage disposal systems shall conform to the International Private Sewage Disposal Code. The International Fire Code, and the Uniform Plumbing Code shall govern the use and maintenance of plumbing components, appliances, equipment and systems. The Uniform Plumbing Code shall govern the alteration, repair, relocation, replacement and addition of plumbing components, appliances, equipment and systems.(G) Modify Appendix G Section G103.4 as follows: Section G103.4 Activities in riverine flood hazard areas with base flood elevations. In riverine flood hazard areas where base elevations are specified but floodways have not been designated, the building official shall not permit any new construction, substantial improvement or other development or encroachment, including fill, unless the applicant submits an engineering analysis prepared by a registered design professional, demonstrating that the cumulative effect of the proposed development, when combined with all other existing and anticipated flood hazard area encroachment, will not increase the base flood elevation more than one foot (305 mm) at any point within the community.(H) Add a new Appendix G Section G103.4.1 as follows: Section G103.4.1 Activities in riverine flood hazard areas without base flood elevations. In riverine flood hazard areas where base flood elevations are not specified and floodways have not been designated, the building official shall not permit any new construction, substantial improvement or other development or encroachment, including fill, within a minimum distance of 25 feet from the top of the stream bank on each side, or 30 feet from the centerline of a stream, drainage way or swale, whichever is greater, unless the applicant submits an engineering analysis prepared by a registered design professional, demonstrating that the cumulative effect of the proposed development, when combined with all other existing and anticipated flood hazard area encroachment, will not result in any increase in flood levels during occurrence of the base flood discharge.(I) Add a new Appendix G Section G501.0 as follows: Section G501.0 Installation prohibited. Installation of manufactured homes in floodways shall not be permitted except in an existing manufactured home park or subdivision.

(A) IV structure and shall be provided with a storm shelter constructed in accordance with ICC 500. The Commissioner shall maintain a record of buildings with storm Reserve Section 402.6.4 as follows: Section 402.6.4 Plastic Signs. [Reserved.]

(B) Add a new Section 423.3.1 as follows: Section 423.3.1 Hurricane shelters. Public schools with an occupant load of 50 or more, 911 call stations, emergency operations centers and fire, rescue, ambulance and police stations shall comply with Table 1604.5 as a Risk Category shelters.

(C) Modify Section 1505.10 as follows: Section 1505.10 Roof gardens and landscaped roofs. Roof gardens and landscaped roofs shall comply with Section 1505.1 and 1507.16 and shall be installed in accordance with ANSI/SPRI VF-1. Stone, loose materials or garden debris capable of becoming wind-borne debris during a hurricane shall not be used as part of the design and be removed regularly.

(D) Add a new Section 1612.2.1 as follows: Section 1612.2.1 Additional requirements for enclosed areas below elevated buildings. In addition to the requirements of ASCE 24, enclosed areas below elevated buildings:(1) Shall not be partitioned or finished into separate rooms except for stairwells, ramps, and elevators, unless a partition is required by the fire code. Where perimeter wall foundations are permitted, this limitation does not apply to load-bearing walls interior to the perimeter walls or partition walls when constructed above the base flood elevation.(2) Shall have the minimum necessary access to allow for parking of vehicles (garage door) or limited storage (standard exterior door) or entry to the elevated building (stairway or elevator).(3) Shall, in coastal high hazard areas and Coastal A Zones, be enclosed only by insect screening, lattice work or decorative screening, provided the screening or lattice work is designed to break away under base flood or lesser conditions without imparting additional flood loads to the foundation of the building.

(1) Shall not be partitioned or finished into separate rooms except for stairwells, ramps, and elevators, unless a partition is required by the fire code. Where perimeter wall foundations are permitted, this limitation does not apply to load-bearing walls interior to the perimeter walls or partition walls when constructed above the base flood elevation.

(2) Shall have the minimum necessary access to allow for parking of vehicles (garage door) or limited storage (standard exterior door) or entry to the elevated building (stairway or elevator).

(3) Shall, in coastal high hazard areas and Coastal A Zones, be enclosed only by insect screening, lattice work or decorative screening, provided the screening or lattice work is designed to break away under base flood or lesser conditions without imparting additional flood loads to the foundation of the building.

(E) Modify Section 1612.3 as follows: Section 1612.3 Establishment of flood hazard areas. To establish flood hazard areas, the applicable governing authority shall adopt a flood hazard map and supporting data. The flood hazard map shall include, at a minimum, areas of special flood hazard as identified by the Federal Emergency Management Agency in an engineering report entitled “The Flood Insurance Study for U.S. Virgin Islands,” dated April 16, 2007, as amended or revised with the accompanying Flood Insurance Rate Map (FIRM) and Flood Boundary and Floodway Map (FBFM) and related supporting data along with any revisions thereto. The adopted flood hazard map and supporting data are hereby adopted by reference and declared to be part of this section.

(F) Modify Section 2901.1 as follows: Section 2901.1 Scope. The provisions of this chapter and the Uniform Plumbing Code shall govern the design, construction, erection and installation of plumbing components, appliances, equipment and systems used in buildings and structures covered by this code. Toilet and bathing rooms shall be constructed in accordance with Section 1209. Private sewage disposal systems shall conform to the International Private Sewage Disposal Code. The International Fire Code, and the Uniform Plumbing Code shall govern the use and maintenance of plumbing components, appliances, equipment and systems. The Uniform Plumbing Code shall govern the alteration, repair, relocation, replacement and addition of plumbing components, appliances, equipment and systems.

(G) Modify Appendix G Section G103.4 as follows: Section G103.4 Activities in riverine flood hazard areas with base flood elevations. In riverine flood hazard areas where base elevations are specified but floodways have not been designated, the building official shall not permit any new construction, substantial improvement or other development or encroachment, including fill, unless the applicant submits an engineering analysis prepared by a registered design professional, demonstrating that the cumulative effect of the proposed development, when combined with all other existing and anticipated flood hazard area encroachment, will not increase the base flood elevation more than one foot (305 mm) at any point within the community.

(H) Add a new Appendix G Section G103.4.1 as follows: Section G103.4.1 Activities in riverine flood hazard areas without base flood elevations. In riverine flood hazard areas where base flood elevations are not specified and floodways have not been designated, the building official shall not permit any new construction, substantial improvement or other development or encroachment, including fill, within a minimum distance of 25 feet from the top of the stream bank on each side, or 30 feet from the centerline of a stream, drainage way or swale, whichever is greater, unless the applicant submits an engineering analysis prepared by a registered design professional, demonstrating that the cumulative effect of the proposed development, when combined with all other existing and anticipated flood hazard area encroachment, will not result in any increase in flood levels during occurrence of the base flood discharge.

(I) Add a new Appendix G Section G501.0 as follows: Section G501.0 Installation prohibited. Installation of manufactured homes in floodways shall not be permitted except in an existing manufactured home park or subdivision.

(4) Additional requirements for public and non-public buildings. In addition to the requirements of the applicable building code, public and non-public buildings shall comply with the following:(A) Roof mounted solar panels. Where roof mounted solar panels are provided, the solar panels shall have a hail damage rating of VSH (very severe hail) in accordance with the latest edition of FM 4478, Roof Mounted Rigid Photovoltaic Modules.(B) Mechanically mounted rails or racks for solar panels. Mechanically anchored rails or racks for solar panels shall be specified. Ballasted racks or rails are not permitted. Racks and rails that are attached to the roof surface with adhesive are not permitted.(C) Gutters. Where external gutters are provided, gutter systems shall meet the requirements specified in the latest edition of ANSI/SPRI GT-1, Test Standard for Gutter Systems.

(A) Roof mounted solar panels. Where roof mounted solar panels are provided, the solar panels shall have a hail damage rating of VSH (very severe hail) in accordance with the latest edition of FM 4478, Roof Mounted Rigid Photovoltaic Modules.

(B) Mechanically mounted rails or racks for solar panels. Mechanically anchored rails or racks for solar panels shall be specified. Ballasted racks or rails are not permitted. Racks and rails that are attached to the roof surface with adhesive are not permitted.

(C) Gutters. Where external gutters are provided, gutter systems shall meet the requirements specified in the latest edition of ANSI/SPRI GT-1, Test Standard for Gutter Systems.

(c) One- and Two-Family Dwellings and Townhouses. (1) Detached one- and two-family dwellings and townhouses not more than three stories in height with a separate means of egress and their accessory structures not more than three stories above grade plane in height. The International Residential Code, effective March 1, 2018, promulgated and published by the International Code Council, and any subsequent editions or amendments thereto, is adopted and incorporated by reference in the Virgin Islands Building Code as if fully set forth, except as it is amended by the following provisions and any subsequent amendments adopted pursuant to Section 292(h) of this chapter. Each subsequent edition of the International Residential Code shall become effective six months after publication. This code shall be applicable to every residential building and structure in the Virgin Islands.(2) International Residential Code Appendices. Provisions in the appendices of The International Residential Code shall not apply unless specifically adopted. The following appendices are hereby specifically adopted and incorporated by reference: Appendix E - Manufactured Homes Used as Dwellings, Appendix F, Radon Methods, Appendix H - Patio Covers, and Appendix I - Private Sewage Disposal.(3) International Residential Code Amendments. The International Residential Code shall be amended as set forth in this section, where new text is shown underlined, deleted text is shown with strike-thru, and “Reserved” means the section is deleted in its entirety. Subsequent amendments may be adopted pursuant to Section 292a of this chapter.(A) Modify Section R301.1.1 as follows: Section R301.1.1 Alternate Provisions. As an alternative to the requirements in Section R301.1, the following standards are permitted subject to the limitations of this code and the limitations therein. Where engineered design is used in conjunction with these standards, the design shall comply with the International Building Code.1. AWC Wood Frame Construction Manual (WFCM).2. AISI Standard for Cold-Formed Steel Framing-Prescriptive Method for One- and Two-Family Dwellings (AISI S230).3. ICC Standard on the Design and Construction of Log Structures (ICC 400).4. Construction Information for a Stronger Home (4th Edition, April 2018 such that wind loads meets or exceed current values in the International Residential Code.(B) Complete Table R301.2(1) as shown in the following figure:EXHIBIT A: TABLE R301.2(1) CLIMATIC AND GEOGRAPHICDESIGN CRITERIAClick here to view this image.(C) Modify Section R301.2.1.5 as follows:1. Modify Section R301.2.1.5. Section R301.2.1.5 Topographic wind effects. Topographic wind effects shall be considered in the design of the building in accordance with Section R301.2.1.5.1 or in accordance with the most current provisions of ASCE 7.2. Modify Section R301.2.1.5.1. Section R301.2.1.5.1 Simplified topographic wind speed-up method. As an alternative to the ASCE 7 topographic wind provisions, the provisions of Section R301.2.1.5.1 shall be permitted to be used to design for wind speed-up effects. Structures shall be designed for an increased basic wind speed as determined by Figure(s) R301.2.1.5.1 (4) through R301.2.1.5.1(6). The most current version of these maps at the time of construction shall apply.Click here to view this image.Figure R301.2.1.5.1 (4) - Wind Speed-Up Map for St. Thomas, USVI(lookup tool http://hazards.actcoumcil.org)Click here to view this image.Figure R301.2.1.5.1 (5) - Wind Speed-Up Map for St. Croix, USVI(lookup tool http://hazards.actcoumcil.org)Click here to view this image.Figure R301.2.1.5.1 (6) - Wind Speed-Up Map for St. John, USVI(lookup tool http://hazards.actcoumcil.org)(D) Modify Section R301.2.4 as follows: Section R301.2.4 Floodplain construction. Buildings and structures constructed in whole or in part in flood hazard areas (including A or V Zones) as established in Table R301.2(1), and substantial improvement and repair of substantial damage of buildings and structures in flood hazard areas, shall be designed and constructed in accordance with ASCE 24.(E) Modify Section R302.3 as follows: Section R302.3 Two-family dwellings. Dwelling units in two-family dwellings shall be separated from each other by wall and floor assemblies having not less than a 2-hour fire-resistance rating where tested in accordance with ASTM El 19, UL 263 or Section 703.3 of the International Building Code. Fire-resistance-rated floor/ceiling and wall assemblies shall extend to and be tight against the exterior wall, and wall assemblies shall extend from the foundation to the underside of the roof sheathing.(F) Reserve Section R309.5 as follows: Section R309.5 Fire sprinklers. [Reserved.](G) Modify Section R313 as follows:1. Modify Section R313.1: Section R313.1 Townhouse fire resistance. Townhouses shall be provided with a common 2-hour fire-resistance-rated wall assembly tested in accordance with ASTM E119, UL 263. The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be installed in accordance with Chapters 34 through 43. Penetrations of electrical outlet boxes shall be in accordance with Section R302.4. The fire-resistance-rated wall or wall assemblies separating townhouses shall be continuous from the foundation to the underside of the roof sheathing, deck or slab. The fire resistance rating shall apply to the full length of the wall or assembly, including wall extensions.Exception: Where automatic sprinkler systems are provided, the wall or wall assemblies separating townhouses shall have not less than a 1-hour fire-resistance rating tested in accordance with ASTM E119, UL 263.2. Reserve Section R313.1.1 as follows: Section R313.1.1 Design and Installation. [Reserved.]3. Reserve Section R313.2 as follows: Section R313.2 One-and two-family dwellings automatic fire sprinkler systems. [Reserved.]4. Reserve Section R313.2.1 as follows: Section R313.2.1 Design and installation. [Reserved.](H) Modify Section R322.1 as follows: Section R322.1 General. Buildings and structures constructed in whole or in part in flood hazard areas, including A or V Zones and Coastal A Zones, as established in Table R301.2(1), and substantial improvement and repair of substantial damage of buildings and structures in flood hazard areas, shall be designed and constructed in accordance with ASCE 24.(I) Reserve Section R322.1.1 and all subsequent sections in Section R322 through Section R322.3.10 as follows:Section R322.1.1 Alternative provisions. [Reserved.]Section R322.1.2 Structural systems. [Reserved.]Section R322.1.3 Flood-resistant construction. [Reserved.]Section R322.1.4 Establishing the design flood elevation. [Reserved.]Section R322.1.4.1 Determination of design flood elevations. [Reserved.]Section R322.1.4.2 Determination of impacts. [Reserved.]Section R322.1.5 Lowest floor. [Reserved.]Section R322.1.6 Protection of mechanical, plumbing and electrical systems. [Reserved.]Section R322.1.7 Protection of water supply and sanitary sewage systems. [Reserved.]Section R322.1.8 Flood-resistant materials. [Reserved.]Section R322.1.9 Manufactured homes. [Reserved.]Section R322.1.10 As-built elevation documentation. [Reserved.]Section R322.2 Flood hazard areas (including A Zones). [Reserved.]Section R322.3 Coastal high-hazard areas (including V Zones and Coastal A Zones, where designated). [Reserved.](4) Additional requirements for one- and two-family dwellings and townhouses. In addition to the requirements of the applicable building code, one-and two-family dwellings and town homes shall comply with the following:(A) Staged Construction. Where staged construction occurs and the duration of residential construction will exceed six months, or construction has been suspended for longer than six months, or where unfinished construction will be exposed to the environment for longer than six months, provisions shall be made for weathering protection of exposed materials (i.e., rebar, wood, etc.). When a permit renewal is requested, the architect or engineer of record shall demonstrate that any materials not protected from weathering that were exposed for longer than six months have maintained adequate strength.(B) Roof systems. Roof systems shall meet the more restrictive requirements in the latest edition of the Construction Information for a Stronger Home and the International Residential Code. In addition, the following conditions shall apply:1. Corrugated metal roof panels shall meet the requirements of ASTM A792 Grade 50-B (aluminium zinc alloy), 24-guage minimum, 7/8” ribs at 2-5/8” on center. Factory-applied coating is optional.2. At roof panel eaves and ridge/hips, pre-fabricated foam closures and sealant tape shall be provided. Sealant tape shall be provided at side laps.3. Hip, ridge and rake flashings shall be the same material type and gauge as the roof panels.4. Exposed fasteners for corrugated metal panels shall be #14 x 2-1/2” Long Stainless teel Self-Drilling Roofing Screw and minimum ½” diameter gasketed washer for attaching to nailers. Metal roof panel fasteners shall be 1 long for stitching panel side laps and attaching hip and ridge flashings.5. All Pressure treated wood used under the metal roofing shall have Use Category of UC3A for above ground installation shall be manufactured in accordance with the American Wood Protection Association requirements.6. Underlayment: Where corrugated metal roof systems are provided, self adhering modified bitumen complying with ASTM D1970 shall be provided under metal roof panels.7. Rafters shall have a minimum nominal thickness of 3-inches (3x section).(C) Roof mounted solar panels. Where roof mounted solar panels are provided, the solar panels shall have a hail damage rating of VSH (very severe hail) in accordance with the latest edition of FM 4478, Roof Mounted Rigid Photovoltaic Modules.(D) Mechanically mounted rails or racks for solar panels. Mechanically anchored rails or racks for solar panels shall be specified. Ballasted racks or rails are not permitted. Racks and rails that are attached to the roof surface with adhesive are not permitted.(E) Gutters. Where external gutters are provided, gutter systems shall meet the requirements specified in the latest edition of ANSI/SPRI GT-1, Test Standard for Gutter Systems.

(1) Detached one- and two-family dwellings and townhouses not more than three stories in height with a separate means of egress and their accessory structures not more than three stories above grade plane in height. The International Residential Code, effective March 1, 2018, promulgated and published by the International Code Council, and any subsequent editions or amendments thereto, is adopted and incorporated by reference in the Virgin Islands Building Code as if fully set forth, except as it is amended by the following provisions and any subsequent amendments adopted pursuant to Section 292(h) of this chapter. Each subsequent edition of the International Residential Code shall become effective six months after publication. This code shall be applicable to every residential building and structure in the Virgin Islands.

(2) International Residential Code Appendices. Provisions in the appendices of The International Residential Code shall not apply unless specifically adopted. The following appendices are hereby specifically adopted and incorporated by reference: Appendix E - Manufactured Homes Used as Dwellings, Appendix F, Radon Methods, Appendix H - Patio Covers, and Appendix I - Private Sewage Disposal.

(3) International Residential Code Amendments. The International Residential Code shall be amended as set forth in this section, where new text is shown underlined, deleted text is shown with strike-thru, and “Reserved” means the section is deleted in its entirety. Subsequent amendments may be adopted pursuant to Section 292a of this chapter.(A) Modify Section R301.1.1 as follows: Section R301.1.1 Alternate Provisions. As an alternative to the requirements in Section R301.1, the following standards are permitted subject to the limitations of this code and the limitations therein. Where engineered design is used in conjunction with these standards, the design shall comply with the International Building Code.1. AWC Wood Frame Construction Manual (WFCM).2. AISI Standard for Cold-Formed Steel Framing-Prescriptive Method for One- and Two-Family Dwellings (AISI S230).3. ICC Standard on the Design and Construction of Log Structures (ICC 400).4. Construction Information for a Stronger Home (4th Edition, April 2018 such that wind loads meets or exceed current values in the International Residential Code.(B) Complete Table R301.2(1) as shown in the following figure:EXHIBIT A: TABLE R301.2(1) CLIMATIC AND GEOGRAPHICDESIGN CRITERIAClick here to view this image.(C) Modify Section R301.2.1.5 as follows:1. Modify Section R301.2.1.5. Section R301.2.1.5 Topographic wind effects. Topographic wind effects shall be considered in the design of the building in accordance with Section R301.2.1.5.1 or in accordance with the most current provisions of ASCE 7.2. Modify Section R301.2.1.5.1. Section R301.2.1.5.1 Simplified topographic wind speed-up method. As an alternative to the ASCE 7 topographic wind provisions, the provisions of Section R301.2.1.5.1 shall be permitted to be used to design for wind speed-up effects. Structures shall be designed for an increased basic wind speed as determined by Figure(s) R301.2.1.5.1 (4) through R301.2.1.5.1(6). The most current version of these maps at the time of construction shall apply.Click here to view this image.Figure R301.2.1.5.1 (4) - Wind Speed-Up Map for St. Thomas, USVI(lookup tool http://hazards.actcoumcil.org)Click here to view this image.Figure R301.2.1.5.1 (5) - Wind Speed-Up Map for St. Croix, USVI(lookup tool http://hazards.actcoumcil.org)Click here to view this image.Figure R301.2.1.5.1 (6) - Wind Speed-Up Map for St. John, USVI(lookup tool http://hazards.actcoumcil.org)(D) Modify Section R301.2.4 as follows: Section R301.2.4 Floodplain construction. Buildings and structures constructed in whole or in part in flood hazard areas (including A or V Zones) as established in Table R301.2(1), and substantial improvement and repair of substantial damage of buildings and structures in flood hazard areas, shall be designed and constructed in accordance with ASCE 24.(E) Modify Section R302.3 as follows: Section R302.3 Two-family dwellings. Dwelling units in two-family dwellings shall be separated from each other by wall and floor assemblies having not less than a 2-hour fire-resistance rating where tested in accordance with ASTM El 19, UL 263 or Section 703.3 of the International Building Code. Fire-resistance-rated floor/ceiling and wall assemblies shall extend to and be tight against the exterior wall, and wall assemblies shall extend from the foundation to the underside of the roof sheathing.(F) Reserve Section R309.5 as follows: Section R309.5 Fire sprinklers. [Reserved.](G) Modify Section R313 as follows:1. Modify Section R313.1: Section R313.1 Townhouse fire resistance. Townhouses shall be provided with a common 2-hour fire-resistance-rated wall assembly tested in accordance with ASTM E119, UL 263. The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be installed in accordance with Chapters 34 through 43. Penetrations of electrical outlet boxes shall be in accordance with Section R302.4. The fire-resistance-rated wall or wall assemblies separating townhouses shall be continuous from the foundation to the underside of the roof sheathing, deck or slab. The fire resistance rating shall apply to the full length of the wall or assembly, including wall extensions.Exception: Where automatic sprinkler systems are provided, the wall or wall assemblies separating townhouses shall have not less than a 1-hour fire-resistance rating tested in accordance with ASTM E119, UL 263.2. Reserve Section R313.1.1 as follows: Section R313.1.1 Design and Installation. [Reserved.]3. Reserve Section R313.2 as follows: Section R313.2 One-and two-family dwellings automatic fire sprinkler systems. [Reserved.]4. Reserve Section R313.2.1 as follows: Section R313.2.1 Design and installation. [Reserved.](H) Modify Section R322.1 as follows: Section R322.1 General. Buildings and structures constructed in whole or in part in flood hazard areas, including A or V Zones and Coastal A Zones, as established in Table R301.2(1), and substantial improvement and repair of substantial damage of buildings and structures in flood hazard areas, shall be designed and constructed in accordance with ASCE 24.(I) Reserve Section R322.1.1 and all subsequent sections in Section R322 through Section R322.3.10 as follows:Section R322.1.1 Alternative provisions. [Reserved.]Section R322.1.2 Structural systems. [Reserved.]Section R322.1.3 Flood-resistant construction. [Reserved.]Section R322.1.4 Establishing the design flood elevation. [Reserved.]Section R322.1.4.1 Determination of design flood elevations. [Reserved.]Section R322.1.4.2 Determination of impacts. [Reserved.]Section R322.1.5 Lowest floor. [Reserved.]Section R322.1.6 Protection of mechanical, plumbing and electrical systems. [Reserved.]Section R322.1.7 Protection of water supply and sanitary sewage systems. [Reserved.]Section R322.1.8 Flood-resistant materials. [Reserved.]Section R322.1.9 Manufactured homes. [Reserved.]Section R322.1.10 As-built elevation documentation. [Reserved.]Section R322.2 Flood hazard areas (including A Zones). [Reserved.]Section R322.3 Coastal high-hazard areas (including V Zones and Coastal A Zones, where designated). [Reserved.]

(A) Modify Section R301.1.1 as follows: Section R301.1.1 Alternate Provisions. As an alternative to the requirements in Section R301.1, the following standards are permitted subject to the limitations of this code and the limitations therein. Where engineered design is used in conjunction with these standards, the design shall comply with the International Building Code.1. AWC Wood Frame Construction Manual (WFCM).2. AISI Standard for Cold-Formed Steel Framing-Prescriptive Method for One- and Two-Family Dwellings (AISI S230).3. ICC Standard on the Design and Construction of Log Structures (ICC 400).4. Construction Information for a Stronger Home (4th Edition, April 2018 such that wind loads meets or exceed current values in the International Residential Code.

1. AWC Wood Frame Construction Manual (WFCM).

2. AISI Standard for Cold-Formed Steel Framing-Prescriptive Method for One- and Two-Family Dwellings (AISI S230).

3. ICC Standard on the Design and Construction of Log Structures (ICC 400).

4. Construction Information for a Stronger Home (4th Edition, April 2018 such that wind loads meets or exceed current values in the International Residential Code.

(B) Complete Table R301.2(1) as shown in the following figure:EXHIBIT A: TABLE R301.2(1) CLIMATIC AND GEOGRAPHICDESIGN CRITERIAClick here to view this image.

EXHIBIT A: TABLE R301.2(1) CLIMATIC AND GEOGRAPHIC

DESIGN CRITERIA

Click here to view this image.

(C) Modify Section R301.2.1.5 as follows:1. Modify Section R301.2.1.5. Section R301.2.1.5 Topographic wind effects. Topographic wind effects shall be considered in the design of the building in accordance with Section R301.2.1.5.1 or in accordance with the most current provisions of ASCE 7.2. Modify Section R301.2.1.5.1. Section R301.2.1.5.1 Simplified topographic wind speed-up method. As an alternative to the ASCE 7 topographic wind provisions, the provisions of Section R301.2.1.5.1 shall be permitted to be used to design for wind speed-up effects. Structures shall be designed for an increased basic wind speed as determined by Figure(s) R301.2.1.5.1 (4) through R301.2.1.5.1(6). The most current version of these maps at the time of construction shall apply.Click here to view this image.Figure R301.2.1.5.1 (4) - Wind Speed-Up Map for St. Thomas, USVI(lookup tool http://hazards.actcoumcil.org)Click here to view this image.Figure R301.2.1.5.1 (5) - Wind Speed-Up Map for St. Croix, USVI(lookup tool http://hazards.actcoumcil.org)Click here to view this image.Figure R301.2.1.5.1 (6) - Wind Speed-Up Map for St. John, USVI(lookup tool http://hazards.actcoumcil.org)

1. Modify Section R301.2.1.5. Section R301.2.1.5 Topographic wind effects. Topographic wind effects shall be considered in the design of the building in accordance with Section R301.2.1.5.1 or in accordance with the most current provisions of ASCE 7.

2. Modify Section R301.2.1.5.1. Section R301.2.1.5.1 Simplified topographic wind speed-up method. As an alternative to the ASCE 7 topographic wind provisions, the provisions of Section R301.2.1.5.1 shall be permitted to be used to design for wind speed-up effects. Structures shall be designed for an increased basic wind speed as determined by Figure(s) R301.2.1.5.1 (4) through R301.2.1.5.1(6). The most current version of these maps at the time of construction shall apply.

Click here to view this image.

Figure R301.2.1.5.1 (4) - Wind Speed-Up Map for St. Thomas, USVI

(lookup tool http://hazards.actcoumcil.org)

Click here to view this image.

Figure R301.2.1.5.1 (5) - Wind Speed-Up Map for St. Croix, USVI

(lookup tool http://hazards.actcoumcil.org)

Click here to view this image.

Figure R301.2.1.5.1 (6) - Wind Speed-Up Map for St. John, USVI

(lookup tool http://hazards.actcoumcil.org)

(D) Modify Section R301.2.4 as follows: Section R301.2.4 Floodplain construction. Buildings and structures constructed in whole or in part in flood hazard areas (including A or V Zones) as established in Table R301.2(1), and substantial improvement and repair of substantial damage of buildings and structures in flood hazard areas, shall be designed and constructed in accordance with ASCE 24.

(E) Modify Section R302.3 as follows: Section R302.3 Two-family dwellings. Dwelling units in two-family dwellings shall be separated from each other by wall and floor assemblies having not less than a 2-hour fire-resistance rating where tested in accordance with ASTM El 19, UL 263 or Section 703.3 of the International Building Code. Fire-resistance-rated floor/ceiling and wall assemblies shall extend to and be tight against the exterior wall, and wall assemblies shall extend from the foundation to the underside of the roof sheathing.

(F) Reserve Section R309.5 as follows: Section R309.5 Fire sprinklers. [Reserved.]

(G) Modify Section R313 as follows:1. Modify Section R313.1: Section R313.1 Townhouse fire resistance. Townhouses shall be provided with a common 2-hour fire-resistance-rated wall assembly tested in accordance with ASTM E119, UL 263. The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be installed in accordance with Chapters 34 through 43. Penetrations of electrical outlet boxes shall be in accordance with Section R302.4. The fire-resistance-rated wall or wall assemblies separating townhouses shall be continuous from the foundation to the underside of the roof sheathing, deck or slab. The fire resistance rating shall apply to the full length of the wall or assembly, including wall extensions.Exception: Where automatic sprinkler systems are provided, the wall or wall assemblies separating townhouses shall have not less than a 1-hour fire-resistance rating tested in accordance with ASTM E119, UL 263.2. Reserve Section R313.1.1 as follows: Section R313.1.1 Design and Installation. [Reserved.]3. Reserve Section R313.2 as follows: Section R313.2 One-and two-family dwellings automatic fire sprinkler systems. [Reserved.]4. Reserve Section R313.2.1 as follows: Section R313.2.1 Design and installation. [Reserved.]

1. Modify Section R313.1: Section R313.1 Townhouse fire resistance. Townhouses shall be provided with a common 2-hour fire-resistance-rated wall assembly tested in accordance with ASTM E119, UL 263. The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be installed in accordance with Chapters 34 through 43. Penetrations of electrical outlet boxes shall be in accordance with Section R302.4. The fire-resistance-rated wall or wall assemblies separating townhouses shall be continuous from the foundation to the underside of the roof sheathing, deck or slab. The fire resistance rating shall apply to the full length of the wall or assembly, including wall extensions.

Exception: Where automatic sprinkler systems are provided, the wall or wall assemblies separating townhouses shall have not less than a 1-hour fire-resistance rating tested in accordance with ASTM E119, UL 263.

2. Reserve Section R313.1.1 as follows: Section R313.1.1 Design and Installation. [Reserved.]

3. Reserve Section R313.2 as follows: Section R313.2 One-and two-family dwellings automatic fire sprinkler systems. [Reserved.]

4. Reserve Section R313.2.1 as follows: Section R313.2.1 Design and installation. [Reserved.]

(H) Modify Section R322.1 as follows: Section R322.1 General. Buildings and structures constructed in whole or in part in flood hazard areas, including A or V Zones and Coastal A Zones, as established in Table R301.2(1), and substantial improvement and repair of substantial damage of buildings and structures in flood hazard areas, shall be designed and constructed in accordance with ASCE 24.

(I) Reserve Section R322.1.1 and all subsequent sections in Section R322 through Section R322.3.10 as follows:Section R322.1.1 Alternative provisions. [Reserved.]Section R322.1.2 Structural systems. [Reserved.]Section R322.1.3 Flood-resistant construction. [Reserved.]Section R322.1.4 Establishing the design flood elevation. [Reserved.]Section R322.1.4.1 Determination of design flood elevations. [Reserved.]Section R322.1.4.2 Determination of impacts. [Reserved.]Section R322.1.5 Lowest floor. [Reserved.]Section R322.1.6 Protection of mechanical, plumbing and electrical systems. [Reserved.]Section R322.1.7 Protection of water supply and sanitary sewage systems. [Reserved.]Section R322.1.8 Flood-resistant materials. [Reserved.]Section R322.1.9 Manufactured homes. [Reserved.]Section R322.1.10 As-built elevation documentation. [Reserved.]Section R322.2 Flood hazard areas (including A Zones). [Reserved.]Section R322.3 Coastal high-hazard areas (including V Zones and Coastal A Zones, where designated). [Reserved.]

Section R322.1.1 Alternative provisions. [Reserved.]

Section R322.1.2 Structural systems. [Reserved.]

Section R322.1.3 Flood-resistant construction. [Reserved.]

Section R322.1.4 Establishing the design flood elevation. [Reserved.]

Section R322.1.4.1 Determination of design flood elevations. [Reserved.]

Section R322.1.4.2 Determination of impacts. [Reserved.]

Section R322.1.5 Lowest floor. [Reserved.]

Section R322.1.6 Protection of mechanical, plumbing and electrical systems. [Reserved.]

Section R322.1.7 Protection of water supply and sanitary sewage systems. [Reserved.]

Section R322.1.8 Flood-resistant materials. [Reserved.]

Section R322.1.9 Manufactured homes. [Reserved.]

Section R322.1.10 As-built elevation documentation. [Reserved.]

Section R322.2 Flood hazard areas (including A Zones). [Reserved.]

Section R322.3 Coastal high-hazard areas (including V Zones and Coastal A Zones, where designated). [Reserved.]

(4) Additional requirements for one- and two-family dwellings and townhouses. In addition to the requirements of the applicable building code, one-and two-family dwellings and town homes shall comply with the following:(A) Staged Construction. Where staged construction occurs and the duration of residential construction will exceed six months, or construction has been suspended for longer than six months, or where unfinished construction will be exposed to the environment for longer than six months, provisions shall be made for weathering protection of exposed materials (i.e., rebar, wood, etc.). When a permit renewal is requested, the architect or engineer of record shall demonstrate that any materials not protected from weathering that were exposed for longer than six months have maintained adequate strength.(B) Roof systems. Roof systems shall meet the more restrictive requirements in the latest edition of the Construction Information for a Stronger Home and the International Residential Code. In addition, the following conditions shall apply:1. Corrugated metal roof panels shall meet the requirements of ASTM A792 Grade 50-B (aluminium zinc alloy), 24-guage minimum, 7/8” ribs at 2-5/8” on center. Factory-applied coating is optional.2. At roof panel eaves and ridge/hips, pre-fabricated foam closures and sealant tape shall be provided. Sealant tape shall be provided at side laps.3. Hip, ridge and rake flashings shall be the same material type and gauge as the roof panels.4. Exposed fasteners for corrugated metal panels shall be #14 x 2-1/2” Long Stainless teel Self-Drilling Roofing Screw and minimum ½” diameter gasketed washer for attaching to nailers. Metal roof panel fasteners shall be 1 long for stitching panel side laps and attaching hip and ridge flashings.5. All Pressure treated wood used under the metal roofing shall have Use Category of UC3A for above ground installation shall be manufactured in accordance with the American Wood Protection Association requirements.6. Underlayment: Where corrugated metal roof systems are provided, self adhering modified bitumen complying with ASTM D1970 shall be provided under metal roof panels.7. Rafters shall have a minimum nominal thickness of 3-inches (3x section).(C) Roof mounted solar panels. Where roof mounted solar panels are provided, the solar panels shall have a hail damage rating of VSH (very severe hail) in accordance with the latest edition of FM 4478, Roof Mounted Rigid Photovoltaic Modules.(D) Mechanically mounted rails or racks for solar panels. Mechanically anchored rails or racks for solar panels shall be specified. Ballasted racks or rails are not permitted. Racks and rails that are attached to the roof surface with adhesive are not permitted.(E) Gutters. Where external gutters are provided, gutter systems shall meet the requirements specified in the latest edition of ANSI/SPRI GT-1, Test Standard for Gutter Systems.

(A) Staged Construction. Where staged construction occurs and the duration of residential construction will exceed six months, or construction has been suspended for longer than six months, or where unfinished construction will be exposed to the environment for longer than six months, provisions shall be made for weathering protection of exposed materials (i.e., rebar, wood, etc.). When a permit renewal is requested, the architect or engineer of record shall demonstrate that any materials not protected from weathering that were exposed for longer than six months have maintained adequate strength.

(B) Roof systems. Roof systems shall meet the more restrictive requirements in the latest edition of the Construction Information for a Stronger Home and the International Residential Code. In addition, the following conditions shall apply:1. Corrugated metal roof panels shall meet the requirements of ASTM A792 Grade 50-B (aluminium zinc alloy), 24-guage minimum, 7/8” ribs at 2-5/8” on center. Factory-applied coating is optional.2. At roof panel eaves and ridge/hips, pre-fabricated foam closures and sealant tape shall be provided. Sealant tape shall be provided at side laps.3. Hip, ridge and rake flashings shall be the same material type and gauge as the roof panels.4. Exposed fasteners for corrugated metal panels shall be #14 x 2-1/2” Long Stainless teel Self-Drilling Roofing Screw and minimum ½” diameter gasketed washer for attaching to nailers. Metal roof panel fasteners shall be 1 long for stitching panel side laps and attaching hip and ridge flashings.5. All Pressure treated wood used under the metal roofing shall have Use Category of UC3A for above ground installation shall be manufactured in accordance with the American Wood Protection Association requirements.6. Underlayment: Where corrugated metal roof systems are provided, self adhering modified bitumen complying with ASTM D1970 shall be provided under metal roof panels.7. Rafters shall have a minimum nominal thickness of 3-inches (3x section).

1. Corrugated metal roof panels shall meet the requirements of ASTM A792 Grade 50-B (aluminium zinc alloy), 24-guage minimum, 7/8” ribs at 2-5/8” on center. Factory-applied coating is optional.

2. At roof panel eaves and ridge/hips, pre-fabricated foam closures and sealant tape shall be provided. Sealant tape shall be provided at side laps.

3. Hip, ridge and rake flashings shall be the same material type and gauge as the roof panels.

4. Exposed fasteners for corrugated metal panels shall be #14 x 2-1/2” Long Stainless teel Self-Drilling Roofing Screw and minimum ½” diameter gasketed washer for attaching to nailers. Metal roof panel fasteners shall be 1 long for stitching panel side laps and attaching hip and ridge flashings.

5. All Pressure treated wood used under the metal roofing shall have Use Category of UC3A for above ground installation shall be manufactured in accordance with the American Wood Protection Association requirements.

6. Underlayment: Where corrugated metal roof systems are provided, self adhering modified bitumen complying with ASTM D1970 shall be provided under metal roof panels.

7. Rafters shall have a minimum nominal thickness of 3-inches (3x section).

(C) Roof mounted solar panels. Where roof mounted solar panels are provided, the solar panels shall have a hail damage rating of VSH (very severe hail) in accordance with the latest edition of FM 4478, Roof Mounted Rigid Photovoltaic Modules.

(D) Mechanically mounted rails or racks for solar panels. Mechanically anchored rails or racks for solar panels shall be specified. Ballasted racks or rails are not permitted. Racks and rails that are attached to the roof surface with adhesive are not permitted.

(E) Gutters. Where external gutters are provided, gutter systems shall meet the requirements specified in the latest edition of ANSI/SPRI GT-1, Test Standard for Gutter Systems.

(d) Energy Requirements.(1) International Energy Conservation Code. The International Energy Conservation Code, effective March 1, 2018, promulgated and published by the International Code Council, and any subsequent editions or amendments thereto, is adopted and incorporated by reference in the Virgin Islands Building Code as if fully set forth, except as it is amended by the following provisions and any subsequent amendments adopted pursuant to section 292(h) of this chapter. Each subsequent edition of the International Energy Conservation Code shall become effective six months after publication. This code shall be applicable to every building and structure in the Virgin Islands.(2) International Energy Conservation Code Appendices. Appendices of the 4 International Energy Conservation Code are not adopted.(3) International Energy Conservation Code Amendments. The International Energy Conservation Code shall be amended as set forth in this section, where new text is shown underlined, deleted text is shown with strike-thru, and “Reserved” means the section is deleted in its entirety. Subsequent amendments may be adopted pursuant to section 292a 9 of this chapter.(A) In the ICC-Commercial Provisions, modify Section C302.1 as follows: Section C302.1 Interior design conditions. The interior design temperatures used for heating and cooling load calculations shall be a maximum of 72ºF (22ºC) for 13 heating and minimum of 75ºF (24ºC) for cooling.(B) In the ICC-Commercial Provisions, reserve Section C406 as follows: Section C406. Additional Efficiency Package Options. [Reserved.](C) In the ICC-Residential Provisions, reserve Section R401.2.1, item 7, as follows: Section R401.2.1 Tropical Zone 7. [Reserved.](D) In the ICC-Residential Provisions, reserve Chapter 5 as follows: Chapter 5 [RE], Existing Buildings. [Reserved.]

(1) International Energy Conservation Code. The International Energy Conservation Code, effective March 1, 2018, promulgated and published by the International Code Council, and any subsequent editions or amendments thereto, is adopted and incorporated by reference in the Virgin Islands Building Code as if fully set forth, except as it is amended by the following provisions and any subsequent amendments adopted pursuant to section 292(h) of this chapter. Each subsequent edition of the International Energy Conservation Code shall become effective six months after publication. This code shall be applicable to every building and structure in the Virgin Islands.

(2) International Energy Conservation Code Appendices. Appendices of the 4 International Energy Conservation Code are not adopted.

(3) International Energy Conservation Code Amendments. The International Energy Conservation Code shall be amended as set forth in this section, where new text is shown underlined, deleted text is shown with strike-thru, and “Reserved” means the section is deleted in its entirety. Subsequent amendments may be adopted pursuant to section 292a 9 of this chapter.(A) In the ICC-Commercial Provisions, modify Section C302.1 as follows: Section C302.1 Interior design conditions. The interior design temperatures used for heating and cooling load calculations shall be a maximum of 72ºF (22ºC) for 13 heating and minimum of 75ºF (24ºC) for cooling.(B) In the ICC-Commercial Provisions, reserve Section C406 as follows: Section C406. Additional Efficiency Package Options. [Reserved.](C) In the ICC-Residential Provisions, reserve Section R401.2.1, item 7, as follows: Section R401.2.1 Tropical Zone 7. [Reserved.](D) In the ICC-Residential Provisions, reserve Chapter 5 as follows: Chapter 5 [RE], Existing Buildings. [Reserved.]

(A) In the ICC-Commercial Provisions, modify Section C302.1 as follows: Section C302.1 Interior design conditions. The interior design temperatures used for heating and cooling load calculations shall be a maximum of 72ºF (22ºC) for 13 heating and minimum of 75ºF (24ºC) for cooling.

(B) In the ICC-Commercial Provisions, reserve Section C406 as follows: Section C406. Additional Efficiency Package Options. [Reserved.]

(C) In the ICC-Residential Provisions, reserve Section R401.2.1, item 7, as follows: Section R401.2.1 Tropical Zone 7. [Reserved.]

(D) In the ICC-Residential Provisions, reserve Chapter 5 as follows: Chapter 5 [RE], Existing Buildings. [Reserved.]