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P1.37 OC Probation 1700 East Saint Andrew Place, Santa Ana, California 92705 23-12434 07/24/2024 NN Check (N) Bearing Wall: Key Plan: Check (N) Bearing Wall for gravity loads transferred from catwalk and out-of-plane seismic load: Gravity: Height = 19ft Loads: Gravity loads transferred from catwalk: DL = 15psf LL = 65psf Tributary Width = 6ft/2 = 3ft Out-of-Plane Seismic load Fp = 0.305 WT (See next page excel sheet) Where WT = weight of wall + DL catwalk x trib/2 Weight of Wall = 8psf x 5"/12 = 3.33plf WT = 3.33plf + 15psf x 6ft/2 = 3.33plf + 45plf = 48.33plf say 50plf Fp = 0.305 x 50plf = 15.25plf Table 15.4-2 Seismic Coefﬁcients for Nonbuilding Structures Not Similar to Buildings Nonbuilding Structure Type Detailing Requirementsc R Ω0 C d Structural System and Structural Height,hn , Limits (ft)a,b Seismic Design Category B C D E F Elevated tanks, vessels, bins, or hoppers: On symmetrically braced legs (not similar to buildings) Sec.15.7.10 3 2d 2.5 NL NL 160 100 100 On unbraced legs or asymmetrically braced legs (not similar to buildings) Sec.15.7.10 2 2d 2.5 NL NL 100 60 60 Horizontal, saddle-supported welded steel vessels Sec.15.7.14 3 2d 2.5 NL NL NL NL NL Flat-bottom ground-supported tanks: Sec.15.7 Steel or ﬁber-reinforced plastic: Mechanically anchored 3 2d 2.5 NL NL NL NL NL Self-anchored 2.5 2d 2 NL NL NL NL NL Reinforced or prestressed concrete: Reinforced nonsliding base 2 2d 2 NL NL NL NL NL Anchored ﬂexible base 3.25 2d 2 NL NL NL NL NL Unanchored and unconstrained ﬂexible base 1.5 1.5d 1.5 NL NL NL NL NL All other 1.5 1.5d 1.5 NL NL NL NL NL Cast-in-place concrete silos that have walls continuous to the foundation Sec.15.6.2 3 1.75 3 NL NL NL NL NL All other reinforced masonry structures not similar to buildings detailed as intermediate reinforced masonry shear walls Sec. 14.4.1e 3 2 2.5 NL NL 50 50 50 All other reinforced masonry structures not similar to buildings detailed as ordinary reinforced masonry shear walls Sec. 14.4.1 2 2.5 1.75 NL 160 NP NP NP All other nonreinforced masonry structures not similar to buildings Sec. 14.4.1 1.25 2 1.5 NL NP NP NP NP Concrete chimneys and stacks Sec.15.6.2 and ACI 307 2 1.5 2.0 NL NL NL NL NL Steel chimneys and stacks 15.6.2 and ASME STS-1 2 2 2 NL NL NL NL NL All steel and reinforced concrete distributed mass cantilever structures not otherwise covered herein, including stacks, chimneys, silos, skirt-supported vertical vessels; single-pedestal or skirt-supported Sec.15.6.2 Welded steel Sec.15.7.10 2 2d 2 NL NL NL NL NL Welded steel with special detailingf Secs.15.7.10 and 15.7.10.5 a and b 3 2d 2 NL NL NL NL NL Prestressed or reinforced concrete Sec.15.7.10 2 2d 2 NL NL NL NL NL Prestressed or reinforced concrete with special detailing Secs.15.7.10 and ACI 318, Chapter 18, Secs. 18.2 and 18.10 3 2d 2 NL NL NL NL NL Trussed towers (freestanding or guyed), guyed stacks, and chimneys Sec.15.6.2 3 2 2.5 NL NL NL NL NL Steel tubular support structures for onshore wind turbine generator systems Sec.15.6.7 1.5 1.5 1.5 NL NL NL NL NL Cooling towers: Concrete or steel 3.5 1.75 3 NL NL NL NL NL Wood frames 3.5 3 3 NL NL NL 50 50 Telecommunication towers: Sec.15.6.6 Truss: Steel 3 1.5 3 NL NL NL NL NL Pole: Steel 1.5 1.5 1.5 NL NL NL NL NL Wood 1.5 1.5 1.5 NL NL NL NL NL Concrete 1.5 1.5 1.5 NL NL NL NL NL Frame: Steel 3 1.5 1.5 NL NL NL NL NL Wood 1.5 1.5 1.5 NL NL NL NL NL Concrete 2 1.5 1.5 NL NL NL NL NL Amusement structures and monuments Sec.15.6.3 2 2 2 NL NL NL NL NL Inverted pendulum type structures (except elevated tanks, vessels, bins, and hoppers) Sec. 12.2.5.3 2 2 2 NL NL NL NL NL Ground-supported cantilever walls or fences Sec.15.6.8 1.25 2 2.5 NL NL NL NL NL Signs and billboards 3.0 1.75 3 NL NL NL NL NL All other self-supporting structures, tanks, or vessels not covered above or by reference standards that are not similar to buildings 1.25 2 2.5 NL NL 50 50 50 a 1700 E St Andrew Pl10/8/2024