Multi-span frames are commonly used in 𝐥𝐚𝐫𝐠𝐞 𝐢𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐚𝐥 𝐚𝐧𝐝 𝐥𝐨𝐠𝐢𝐬𝐭𝐢𝐜𝐬 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠𝐬 where wide, uninterrupted space is required. In PEB design, 𝐮𝐩 𝐭𝐨 𝟔 𝐬𝐩𝐚𝐧𝐬 𝐨𝐫 𝟏𝟐𝟎 𝐦𝐞𝐭𝐞𝐫𝐬 can be analyzed 𝐰𝐢𝐭𝐡𝐨𝐮𝐭 𝐥𝐚𝐭𝐞𝐫𝐚𝐥 𝐞𝐱𝐩𝐚𝐧𝐬𝐢𝐨𝐧 𝐣𝐨𝐢𝐧𝐭𝐬, allowing efficient structural behavior and flexible layouts. For wider buildings, 𝐝𝐨𝐮𝐛𝐥𝐞-𝐜𝐨𝐥𝐮𝐦𝐧 𝐞𝐱𝐩𝐚𝐧𝐬𝐢𝐨𝐧 𝐣𝐨𝐢𝐧𝐭𝐬 are introduced to manage structural and thermal movement. Exterior columns are designed as 𝐛𝐮𝐢𝐥𝐭-𝐮𝐩 𝐬𝐞𝐜𝐭𝐢𝐨𝐧𝐬, tapered or straight, with 𝐩𝐢𝐧𝐧𝐞𝐝 𝐨𝐫 𝐟𝐢𝐱𝐞𝐝 𝐛𝐚𝐬𝐞𝐬 depending on eave height. These columns form rigid connections with continuous built-up