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¢ 704.4-707.2 1994 UNIFORM BUILDING CODE � e , 704.4 Vlembers Carrying ':�fasonry or Concrete. All members carryin� masonry or concrete - � walls in buildin�s over one story in hei�ht shall be tire pro[ected w ith one-hour fire protection or the � � fire-resistive requirement of the wall, �vhichever is �reater. 704.5 Fire Protection Omitted. Fire protection mav be omitted from the bottom flanae of lintels spanning not over 6 feet(1829 mm),shelf anoles.or plates that are not a part of the structural Yrame. 704.6 Spray-applied Fireproofing. The density and thickness of spray-applied fireproofing ` shall be determined followin�the procedures set forth in U.B.C. Standard 7-6. _ ; SECTION 705—PROJECTIONS Cornices, eave overhangs,exterior balconies and similar architectural appendages extending be- j yond the floor area as defined in Section 207 shall conform to the requirements of this section.(See i Sections 100�and 1006 for additional requirements applicable to exterior exit balconies and stair- ways.) ' Projections from walls of Type I or fI construction shail be of noncombustible materials. Projections from walls of Type III,IV or V construction may be of noncombustible or combus- � tihle materials. Combustible projections located where openinas are not permitted or where protection of open- ings is required shall be of one-hour fire-resistive or heaw-timber construction conforming to Sec- : tion 60i.6. ' - i Fur projec�ions extending over public property,see Chapter 32. i ' For combustible ornamentation, see Sec�ion 601.5.4. � � For limitations on projection distances,see Sections�03.2 and 1204. � SECTION 706—CONSTRUCTION JOINTS i A construction joint,for the purpose of this section and Sections 709.8 and 710.6,is a division of a building that allows independent movement of the building,in any plane,which may be caused by thermal,seismic,wind loading or any other load.Construction joints installed in fire-resistive walls required to have protected openings or in fire-resistive floors or floor-ceilin;assemblies shall be protected with an approved material or construction assembly designed to provide the same degree of fire resistance as the floor or wall in which it is installed when tested in accordance with U.B.C. Standard 7-1. See Section 703.2. Such material or construction assembly shall be securely installed in or on the joint for its entire lenath so as not to dislodge,loosen or otherw�ise impair its ability to accommodate expected build- in�movemenu and to resist the spread of fire and hot gases. j � I SECTION 707—INSULATION � 707.1 General. Thermal and acoustical insulation located on or within floor-ceiling and roof-ceiling assemblies, crawl spaces, walls, panitions and insulation on pipes and tubing shall , comply with this section. Duct insulation and insulation in plenums shall conform to the require- i ments of the �Iechanical Code. EXCEPTION: Roof insulation shall comply with Section I�10. 707.2 Insulation and Covering on Pipe and Tubing. Insulation and coverinQ on pipe and tubing shall have a flame-spread rating no[[o exceed 2�and a smoke density not to exceed 450 when[ested � � in accordance with U.B.C. Standard 8-1. EXCEPTION: Foam plastic insulation shall comply with Secdon 2602. 1-112 _ .. . . _ . , . . . . - - - , . . ., ,, ,. - . r_. , _ . � . .