COM 0128.074 2010-2012 - Laserfiche WebLink

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7. W101.4, Section 1609.1.2, as provided in Section 5 -82 of Bill No. 270, Draft 3, is amended to read as follows: "1609.1.2 Protection of openings. Open and enclosed buildings shall be permitted to be unprotected. In wind -borne debris regions glazing in building shall be impact- resistant or protected with an impact- resistant covering meeting the requirements of an approved impact- resisting standard or ASTM E 1996 and of ASTM E 1886 referenced therein as follows: 1. Glazed openings located within 30 feet (9144 mm) of grade shall meet the requirements of the Large Missile Test of ASTM E 1996 2. Glazed openings located more than 30 feet (9144 mm) above grade shall meet the provisions of the Small Missile Test of ASTM E 1996 Exceptions: 1. Wood structural panels with a minimum thickness of 7/16 inch (11.1 mm) and a maximum panel span of 8 feet (2438 mm) shall be permitted for opening protection in one- and two -story buildings. Panels shall be precut so that they shall be attached to the framing surrounding the opening containing the product with the glazed opening. Panels shall be secured with the attachment hardware provided. Attachments shall be designed to resist the components and cladding Toads determined in accordance with the provisions of ASCE 7. Attachment in accordance with Table 1609.1.2 is permitted for buildings with a mean roof height of 33 feet (10.058 mm) or Tess where wind speeds do not exceed 130 mph (57.2 m /s). 2. Glazing in Occupancy Category 1 buildings as defined in Section 1604.5, including greenhouses that are occupied for growing plants on a production or research basis, without public access shall be permitted to be unprotected. 3. Glazing in Occupancy Category 11, 111 or IV buildings located over 60 feet (18,288 mm) above the ground and over 30 feet (1,944 mm) above aggregate surface roofs located within 1,500 feet (458 m) of the building shall be permitted to be unprotected. 4. Glazing in Occupancy Category 11 and 111 buildings that can receive positive external pressure in the lower 60 feet (18,288 mm) shall be assumed to be openings unless such glazing is impact - resistant or protected with an impact- resistant system. Exception: Glazing in Occupancy Category 111 buildings defined by Table 1604.5 of the following occupancies shall be provided with windborne debris protection: a. Covered structures whose primary occupancy is public assembly with an occupant load greater than 300. b. Health care facilities with an occupant load of 50 or more resident patients, but not having surgery or emergency treatment facilities. c. Any other public building with an occupant load greater than 5,000. 1609.1.2.1 Building with openings. Where glazing is assumed to be an opening in accordance with Section 1609.1.2, the building shall be evaluated to determine if the openings are of sufficient area to constitute an open or partially enclosed building as defined in ASCE 7. Open and partially enclosed buildings shall be designed in accordance with the applicable provisions of ASCE 7. Partially enclosed Occupancy R -3 buildings [shall] may also include a residential safe room in accordance with Section 422, Hawai'i Residential Safe Room. 1609.1.2.2 Louvers. Louvers protecting intake and exhaust ventilation ducts not assumed to be open that are located within 30 ft (9,144 mm) of grade shall meet requirements of an approved impact - resisting standard or the Large Missile Test of ASTM E 1996.