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Barrier Design between The Tank area and hallway <br />Applicable Standards <br />Ÿ <br />Ÿ <br />Ÿ <br />OSHA 1910.36 <br />NFPA 101 <br />ADA Compliance (Ensure minimum 36” clear pedestrian path) <br />Material & Dimensions <br />Ÿ <br />Ÿ <br />Ÿ <br />Ÿ <br />Ÿ <br />Ÿ <br />Ÿ <br />ASTM A36 Steel <br />4.5 inches (Schedule 40) <br />Wall Thickness: 0.237inches <br />Height Above Ground: 42 inches (3’-6”) <br />Spacing: 48 inches (4’-0”) on center (O.C.) <br />Finish: Powder-coated yellow (visibility) or galvanized (corrosion resistance) <br />Top Rail: 4” x 2” Rectangular Tube, 0.25” Wall Thickness <br />Pedestrian Safety Impact <br />≔FIF 1000 lbf Impact Force (OSHA & NFPA) <br />≔h 42 in Height Above Ground <br />≔MIF =⋅FIF h ⎛⎝⋅3.5 10 3 ⎞⎠ft·lbf Moment Capacity <br />≔DIA 4.5 in Pipe Diameter <br />≔t 0.237 in Wall Thickness <br />≔d =-DIA ⋅2 t 4.026 in inner diameter <br />≔IMOI =⋅―π <br />64 DIA 4 d 4 ⎞⎠7.233 in 4 Moment of Inertia <br />≔c =――DIA <br />2 2.25 in <br />≔S =――IMOI <br />c 3.214 in 3 Section Modulus <br />≔Fy 36000 psi <br />≔Mn =⋅Fy S ⎛⎝⋅9.643 10 3 ⎞⎠ft·lbf Nominal Moment Capacity <br />≔Ma =――Mn <br />1.5 6.429 10 3 ⎞⎠ft·lbf Allowable Moment Capacity <br />=if Ma MIF “ok” “not.ok”“ok” <br />42 of 89 <br />3201 S Halladay St <br />5/5/2025