What determines whether or not punched versus unpunched webs should be provided?
• Wall framing members need punched webs to accomodate plumbing and electrical lines. However, heavier loaded members such as floor joists and headers are not as likely as wall framing members to require punched webs and; therefore, may conservatively be ordered with unpunched webs. When a heavily loaded framing member has a web punch located at or near a bearing support, it is advised to bring this condition to the attention of the project engineer in order for him/her to check the web’s strength at this location.
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- What determines whether or not punched versus unpunched webs should be provided?
