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KHATRI INTERNATIONAL, INC. <br />STRUCTURAL & CIVIL ENGINEERS 409 E. Civic Center Dr. <br />R.C.E. # 40833, SE #4391, GENERAL CONTRACTOR #B555505 Santa Ana, CA <br />6440 Sky Pointe Dr., #140-299, Las Vegas, NV 89131 August 13, 2024 <br />www.khatrinternational.com , dkhatri@aol.com <br />Tel. (626) 351-4830; FAX (702) 441-7356 <br />____________________________________________________________________________________________ <br /> <br />2. Column Repair Design <br /> <br />2.1 Existing Loading per Column <br /> <br /> Total Dead Load = 262.5psf <br /> Concrete Beam Dead Load = 525plf <br /> Total Live Load = 20psf +40psf + 40psf+ 40psf = 140psf <br /> Beam Tributary Width = 28𝑓𝑑 (π‘Šπ‘œπ‘Ÿπ‘ π‘‘ πΆπ‘Žπ‘ π‘’ π‘Žπ‘‘ πΊπ‘Ÿπ‘–π‘‘π‘™π‘–π‘›π‘’π‘  4 βˆ’6) <br /> <br /> Total Distrib Load = 1.2 [(262.5𝑝𝑠𝑓 π‘₯ 28𝑓𝑑)+525𝑝𝑙𝑓]+1.6(140𝑝𝑠𝑓 π‘₯ 28𝑓𝑑) <br />=15,722𝑝𝑙𝑓 <br /> <br /> Beam Length 1: 22’-11” (Worst Case at Gridlines K - L) <br />Beam Length 2: 19’-0” (Worst Case at Gridlines L – N) <br /> <br /> Axial Load at Column =𝑀𝑙 <br />2 =((15.72π‘˜π‘™π‘“ π‘₯ 22.91𝑓𝑑) <br />2 + (15.72π‘˜π‘™π‘“ π‘₯ 19𝑓𝑑) <br />2 )= 329.42 π‘˜π‘–π‘π‘  <br /> <br /> <br />2.2 Existing Loading per Column <br /> <br /> # of Beams per Column =2 <br /> Axial Load per Column = 329.42 π‘˜π‘–π‘π‘  <br />2 =164.71 π‘˜π‘–π‘π‘  <br />Column Length: <br /> Axial loading at 12x12X3/4” HSS Column: 164.71 Kips <br /> <br />The HSS post is designed for worst case scenario, axial load is calculated using <br />half the load as the beams are sliced. <br /> <br />See RISA check attached for check on axial loading. <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Page 13 of 21 <br />HOLD- 408 E Civic Center Dr <br />- 1021192849/24/2024