A mezzanine is an obstruction to overhead sprinklers. Of that there is no doubt.
Sprinklers need to be provide under the mezzanines as noted in the cited NFPA 13 section. Craig Prahl | Jacobs | Fire Protection SME – Special Hazards | [email protected]<mailto:[email protected]> | www.jacobs.com<https://urldefense.com/v3/__http:/www.jacobs.com/__;!!KZTdOCjhgt4hgw!-_khxU8gU0_6jc895I7kRbnU8JghRDsWgqOblZ4jr7Qp2IVbR30VYw_hWvNFtphnl0uWpB9KIvbYi1pvZz4$> 1041 East Butler Road Greenville, South Carolina 29606 CONTACT BY: Phone 1-864-676-5252, Email or MS TEAMS From: Joe Burtell [MT-BILL] <[email protected]> Sent: Tuesday, August 29, 2023 9:23 AM To: [email protected] Subject: [EXTERNAL] [Sprinklerforum] ESFR Below Mezzanine I have a soda manufacturing warehouse with ESFR at the roof deck. They are building out some mezzanines in the middle of the warehouse that will have bottling equipment. The engineer is requiring that below the mezzanine have ESFR per NFPA 13 2019 9.5.5.3.3. I am questioning if the mezzanine is really treated like an obstruction? I think it would be treated like in-racks would and have its own design based on what’s under the mezzanine. [cid:[email protected]] Joe Burtell | SET, CFPS Fire Sprinkler Manager D C 406-204-4653<tel:406-204-4653> 406-861-4507<tel:406-861-4507> 3004 1st Ave South Billings , MT 59101 Office: 406‑652‑7697 www.summitfiresecurity.com<https://urldefense.com/v3/__http:/www.summitfiresecurity.com__;!!B5cixuoO7ltTeg!FzWefsxguMXLMMbjMLpaQSGEn8ZDKtVk8zEzI6o24UsVewq_MXB3dLkqQtmzX2oDwKQ3aaFkX2W0zPKniNKj8Sfkax49$> This information transmitted, including attachments, is intended only for the person(s) or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender and destroy any copies of this information. ________________________________ NOTICE - This communication may contain confidential and privileged information that is for the sole use of the intended recipient. Any viewing, copying or distribution of, or reliance on this message by unintended recipients is strictly prohibited. If you have received this message in error, please notify us immediately by replying to the message and deleting it from your computer.
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