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P�L� d4".''f �Y# ...�^ ��p k4iYle��' F`ft"i ��t €F��4 � �� C� �� i)'�'+t[i{f%,w 1?{ ��� � 'T{*��pkl i✓ Y"'L�^.'hki� � ��'4S r[ { �h'4 �4 •`.GP� YF�s ia%�(4 #5%� Lr�qq lxi� ,�� /^.� iYy fl��ii� y �% {i {CF%G]�" `44 w A L.,wL3� 5�'-A 4'1� TP� C M1a i h`E.✓ ]S Y"+. :$ 4�y�k I{� � � 'Ai �+ .�y. �S � i' yy�G'yf i .�y� rA,�.�Y 3Y V{r{C��Y.,F�f"�4f5�rc"S•Ff'IFC{uL .Ly{W,�i� p\�� 0 f �'"' � �� ��Ri✓f �filiss� �� � Y �. R! 'i�P�Y Wi��� � �Nt it �w�.G`e'a� jy+"_R�=�,ym �' 's^' (� "' 'R"T'�u-'C,n' � sf $ro tt..F` ,tA' � s v➢ "rs- ..P " ! • x. 4 0 ff a yip .a�� .vq CITY OF NEWPORT BEACH COMMUNITY DEVELOPMENT DEPARTMENT BUILDING DIVISION 100 Civic Center Drive I P.O. Box 1768 1 Newport Beach, CA 92658-8915 www.newportbeachca.aov 1 (949) 644-3200 2019 VERY HIGH FIRE HAZARD SEVERITY ZONE MINIMUM CONSTRUCTION REQUIREMENTS GENERAL 1. New buildings, alterations and additions located in any Very High Fire Hazard Severity Zone (VHFHSZ) or Special Fire Protection Area shall comply with the provisions of CBC Chapter 7A. (NBMC 15.04.050) 2. A certificate of occupancy, issued by the City, shall be obtained following completion of construction and final inspection. (CBC 701A.4 #2) ROOFING 1. Class A roof assemblies are required for new and/or reconstructed buildings. (CBC 1505.1. 1) 2. Regardless of roofing Class, wood or other combustible roof covering is not permitted where more than 50% of the total existing roof area is added or replaced within any one-year period. (CBC 1505.1.1) 3. Where 50% or less of the total existing roof area is added or replaced all roof covering applied shall be Class B or better. Fire -retardant -treated Class B wood roof covering may be used to match existing wood roofing. (CBC 1505.1) 4. Openings between the roof covering and roof decking, shall be fully enclosed and firestopped, or, have a minimum of one layer of 72 pound, mineral -surfaced non -perforated cap sheet installed over the decking complying with ASTM D3909. (CBC 705A.2) 5. Valley flashing shall be not less than 0.019 -inch, No. 26 gage, galvanized and corrosion -resistant metal. (CBC 705A.3) 6. Valley flashing shall be under laid with a minimum of one layer 72 pound, mineral -surfaced, non- perforated cap sheet at least 36 inches wide and running the full length of the valley. (CBC 705A.3) 7. Debris covers shall be provided on all roof gutters. (CBC 705A.4) VENTILATION OPENINGS 1. Ventilation openings shall be fully covered with metal wire mesh, vents, or other noncombustible materials. The dimensions of the cover openings shall be a minimum of 1/16 -inch and shall not exceed %-inch (CBC 706A.2) 2. Ventilation openings are not permitted on the underside of eaves and cornices. (CBC 706A.3) WINDOWS. DOORS & SKYLIGHTS 1. Exterior windows, exterior glazed doors, and skylight assemblies shall be one of the following (CBC 708A.2.1): a. Multi -pane glazing with a minimum of one tempered pane; b. Glass block units; or, C. 20 minute fire -resistance rated when tested according to NFPA 257, or d. Tested to meet the SFM Standard 12-7A-2 2. Exterior doors shall be one of the following (CBC 708A.3): a. Noncombustible or ignition -resistant material; b. Solid core wood with stiles and rails shall not be less than 1% inches thick with raised panels shall not be less than 1 % inches thick; or, C. 20 minute fire -resistance rated. 3. Plastic skylight assemblies are not permitted. (CBC 708A.2.10 CanList\Ver HighFireHazardSe rityZone-MlnimamConstReq 03-29-2020 GARAGE DOOR PERIMETER GAP 1. Exterior garage doors shall resist the intrusion of embers from entering by preventing gaps between doors and door openings, at the bottom, sides, and tops of doors from exceeding 1/8 inch. Gaps shall be controlled by one of the following methods: a. Weather-stripping products made of materials that have been tested for tensile strength in accordance with ASTM D638 after exposure to ASTM G155 for a period of 2,000 hours, where the maximum allowable difference in tensile strength values between exposed and none exposed samples does not exceed 10% and exhibit a V-2 or betterflammability rating when tested to UL 94. b. Door overlaps onto jambs and headers, c. Garage door jambs and headers covered with metal flashing. MATERIALS & TESTING 1. Exterior wall covering or wall assembly shall be one of the following: CBC 707A.3 a. Noncombustible material; (CBC 202) b. Ignition -resistant material; (CBC 702A & 704A.2) C. Exterior rated fire -retardant -treated wood. (CBC 704A.4 & 2303.2) d. Heavy timber (minimum 4 inch nominal); (CBC 702A) e. One layer of %-inch Type X gypsum sheathing applied immediately behind an ignition resistant exterior covering or cladding; (CBC 707A.3 Exc.1) I. The exterior portion of a 1 -hour fire resistive exterior wall assembly, listed in the Gypsum Association Fire Resistance Design Manual. (CBC 707A.3 Exc. 2) g. Wall assemblies that have been tested in accordance with the test procedures for a 10 - minute direct flame contact exposure test set forth in ASTM E2707 with conditions of acceptance shown in Section 707A.3.1 h. Wall assemblies that meet the performance criteria in accordance with the test procedures for a 10 -minute direct flame contact exposure test set forth in SFM Standard 12-7A-1. 2. Fire -retardant -treated wood shall be tested in accordance with ASTM D 2898, "Standard Practice for Accelerated Weathering of Fire -Retardant Treated Wood for Fire Testing (Method A)" and CBC 2303.2. (CBC 703A.5.2.1) 3. Tested materials and material assemblies shall bear an identification label issued by a testing and/or inspecting agency approved by the California State Fire Marshal. The labeling shall include the following: (CBC 703A.4) a. Identification mark of the approved testing and/or inspecting agency; b. Contact and identification information of the manufacturer; C. Model number or identification of the product or material; d. Pre-test weathering specified in CBC 703A.5.2; and, e. Compliance standard as described in CBC 703A.7. 4. Regardless of testing approvals, paints, coatings, stains or other surface treatments are not an approved method of fire protection. (CBC 703A.5.3) CarrList\VeryHighfireHazzMSeverityZone-MinimumCanstHeq 01-29-2020