ORD 1869 - Laserfiche WebLink

7. Undefined systems I See Section 1629.6.7 and 1629.9.2 I - N.L.- no limit See Section 1630.4 for combination of structural systems. Basic structural systems are defined in Section 1629.6. Prohibited in Seismic Zones 3 and 4. Includes preeast concrete conforming to Section 1921.2.7. Prohibited in Seismic Zones 3 and 4, except as permitted in Section 1634.2. In Seismic Zones 3 and 4 steel IMRF's, _OMRF's and steel ordinary braced frames are permitted as follows: 6'~ Structures using Steel IMRF's and OMRF's are permitted to a height of 35 ft. where the total dead weight of the floors, walls and roof do not exceed 35 psf. or for single-story buildings where the moment joints of field connections are constructed of bolted end plates and the dead load of the roof does not exceed 15 psf. the height is permitted to be increased to 60 ft. Steel ordinary braced frames are permitted in penthouse structures and in other one*story buildings or structures where the total dead weight of the roof does not exceed 15 psf, and the height of the building or structure does not exceed 60 feet. Total height of the building including cantilevered columns. Prohibited in Seismic Zones 2A, 2B, 3 and 4. See Section 1633.2.7. Section 20.08.043 Section 421.1 # 1 Appendix Chapter 4, Special Use And Occupancy, Division I - Barriers For Swimming Pools, Spas, And Hot Tubs. Section 421.1 #1 of the Califomia Building Standards Code 2001 Edition (24 CCR), and including by reference the Uniform Building Code, 1997 Edition, appendix chapter 4, special use and occupancy, Division I - Barriers for Swimming Pools, Spas and Hot Tubs is amended to read as follows: 1. The top of the barrier shall be at least 54 inches (1371 mm) above grade measured on the side of the barrier that faces away from the swimming pool. The maximum vertical clearance between grade and the bottom of the barrier shall be 2 inches (51 mm) measured on the side of the barrier that faces away from the swimming pool. The maximum vertical clearance at the bottom of the barrier may be increased to face away from the swimming pool. The maximum vertical clearance at the bottom of the barrier may be increased to 4 inches (102 mm) when grade is a solid surface such as concrete deck, or when the barrier is mounted on the top of the aboveground pool structure. When barriers have horizontal members spaced less than 45 inches (1143 mm) apart, the horizontal members shall be placed on the pool side of the barrier. Any decorative design work on the side away from the swimming pool, such as protrusions, indentations or cutouts, which render the barrier easily climbable, is prohibited. 22