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Plans for a 296 head NFPA 13 fire sprinkler system for a 2 story shell building. The system is designed as Ordinary Hazard Group II, .20 density with 4 remote areas. The scope is for the underground and aboveground fire sprinkler systems. The FDC is a remote FDC tied into the riser above the alarm valve.
Reviewed using FFPC 7th edition effective Dec. 31, 2020.
Reviewer: PJ Webb 904 209 1744 pwebb@sjcfl.us
To schedule fire inspections please call 827-6842 (automated system). Questions about inspections please call 209-1740x1.
Review by the AHJ shall not relieve the applicant of the responsibility for compliance with the Code.
For questions regarding comments you may reach me at either: 904 209 1744 or pwebb@sjcfl.us.
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RESUBMITTING:
A. Make necessary changes and resubmit everything in person to the permit center. You may not make handwritten alterations on signed and sealed plan pages.
B. Once at the Permit Center swap out altered pages or insert new pages in EACH plan set (Job and Office). One copy of the removed/old pages from the JOB Copy will need to be submitted and marked "OLD". Do not forget to remove pages for work not associated to this permit. All plan papers must be the same size.
C. Provide a response to comments along with any supporting documentation. Response to comments is REQUIRED not optional.
- The response to comments sheet will need to include a response to each numbered comment and tell us where in the plans the comments was addressed. EX - "Top Left of Page E1-1" or "Page E1 Note 8".
- Code responses shall reference Florida Fire Prevention Code, 8th Ed.
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1) The fire sprinkler backflow preventer must be supervised. See comment 11 on the original building plan review. Indicate this on the plans.
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Tuesday, March 25, 2025 PJW- Per RTC, "Added revision note FP1 of 3 BFP detail."
Tuesday, March 25, 2025 PJW Reviewer Response- Backflow detail indicated that it will be electronically supervised.
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3/25/2025
| PWebb |
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2) Show the depth of cover on the plans for the underground main. I see it indicated for the FDC line, but not for the fire main. NFPA 24:4.1.3(8)(H), 10.4.2.2.2, 10.4.2.2.3.
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Tuesday, March 25, 2025 PJW- Depth indicated on plan next to underground main.
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3/25/2025
| PWebb |
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3) The plans FDC detail does not show the automatic drain valve. Provide on the detail. NFPA 24:5.9.4.
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Tuesday, March 25, 2025 PJW- Per RTC, "Automatic drain valve at check valve to FDC."
Tuesday, March 25, 2025 PJW Reviewer Response- Auto drain is indicated on the riser detail, above finished floor inside the building, located below the check. This doesn't seem to accomplish anything but meets the letter of the code.
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3/25/2025
| PWebb |
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4) The FDC detail does not show the check valve as required by NFPA 24:5.9.3.1.
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Tuesday, March 25, 2025 PJW- The check valve is located inside of the building AFF on the FDC line. The entire line is dry.
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3/25/2025
| PWebb |
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5) The plans indicate that the backflow preventer will be installed by others however specifications have been provided in the submittal package for the Watts 709DCDA backflow. The backflow preventer is part of the underground fire main.
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Tuesday, March 25, 2025 PJW- Per RTC, "Removed Note, BFP included in installation."
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3/25/2025
| PWebb |
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6) The remote FDC is located immediately adjacent to a driveway. How will it be protected from mechanical damage. Provide details for the chosen method. NFPA 24:5.9.1.4.
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Tuesday, March 25, 2025 PJW- Per RTC, "Will be set back 5' from curb. (See Note)"
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3/25/2025
| PWebb |
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7) Plans do not show control valve installed at the point of connection to the 2" main. The backflow does not count. NFPA 24:6.2.1.
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Tuesday, March 25, 2025 PJW- This was not addressed on the RTC. I miss typed, what I meant is that a control valve needs to be installed at the system point of connection to the 12" main. This is not indicated.
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Tuesday, April 22, 2025 PJW- Per RTC, "Valve w/roadway box shown of drwg 1 of 3."
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4/22/2025
| PWebb |
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8) The underground site plan on sheet 1 of 3 is not scaled so I am unable to verify compliance with NFPA 24:6.2.9. Does the backflow meet (4)?
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Tuesday, March 25, 2025 PJW- Per RTC, "Foreward flow test after BFP at UG Test.
Tuesday, March 25, 2025 PJW Reviewer Response- I am not sure what this response is referring to. A scale has been provided for the underground section. By scale the backflow is approximately 78 feet from the building. This meets NFPA 24:6.2.9 (4).
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3/25/2025
| PWebb |
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9) How will be the backflow preventer be protected from freezing? NFPA 24:6.5.2.
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Tuesday, March 25, 2025 PJW- Per RTC, "Rubber Jacket Insulation".
Tuesday, March 25, 2025 PJW Reviewer Response- Provide Manufacturer Specification Sheets.
Tuesday, April 22, 2025 PJW- Specifications submitted for K-flex insulation.
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4/22/2025
| PWebb |
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10) The sprinkler design criteria and plan sheet 1 of 3 indicate 1500sf remote areas which appear to align with NFPA 13:27.2.4.7. The design areas provided on the plans are much smaller. Clarify.
Florida Administrative Code (FAC) 61G15-32.002 defines a material deviation as "Any deviation from the design parameters established and documented by the Engineer of Record." Furthermore FAC 61G15-32.003(6) states "When layout documents contain material deviation from the Engineer of Record's Fire Protection System Engineering Document, such layout documents are not compliant unless they are accompanied by revised Engineering Documents made and sealed by the Engineer of record for the Fire Protection System."
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Tuesday, March 25, 2025 PJW- Per RTC, "Per 2019 NFPA 13:19.3.3.2.3 reduction in area.
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3/25/2025
| PWebb |
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11) Demonstrate how the riser room will be protected from freezing. I do not see any HVAC or unit heaters in the riser room on the original construction plans. NFPA 13:16.4.1.1.
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Tuesday, March 25, 2025 PJW- Per RTC, "To be heated per small closet space heater"
Tuesday, March 25, 2025 PJW Reviewer Response- A revision to the building construction plans will need to be submitted for the addition of the heater. This must be submitted before this sprinkler review will be approved, since the protection from freezing is a sprinkler requirement. A hold has been placed on the permit for this revision.
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Tuesday, April 22, 2025 PJW- No construction plan revision submitted this date. Comment remains open.
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12) I do not see the sprinkler relief valve on the plans as required by NFPA 13:8.1.2.1.
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Tuesday, March 25, 2025 PJW- Per RTC, "Relief valve on test drain- Riser Detail."
Tuesday, March 25, 2025 PJW Reviewer Response- Provide Manufacturer Specification Sheets.
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Tuesday, April 22, 2025 PJW- Specs for AGF Manufacturing Test and drain with relief valve provided.
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4/22/2025
| PWebb |
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13) I do not see sprinkler coverage under the exterior stairs in the mechanical closet. Ensure that you provide protection from freezing for the chosen method. NFPA 13:4.1.1.
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Tuesday, March 25, 2025- Per RTC, "Sprinkler is under stairs as shown as Dry SW."
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3/25/2025
| PWebb |
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14) No sprinkler protection has been provided at the bottom or the top of the elevator hoist way. If you are utilizing a coverage exemption, cite the exemption on the plans. NFPA 13:9.3.6.
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Tuesday, March 25, 2025 PJW- Per RTC, "Added horiz SW sprinkler in pit.
Tuesday, March 25, 2025 Reviewer Response- Cite exemption for not installing head in the top of the elevator hoistway on the plans as indicated in the original comment.
Tuesday, April 22, 2025 PJW- The response to comments is citing NFPA 13:9.3.6.6 as the exemption to coverage. Per this comment, in future submittals this must be indicated on the plans. Accepted on the RTC, since it is part of the plan approval.
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4/22/2025
| PWebb |
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15) Demonstrate how the backflow preventer forward flow test will be performed. NFPA 24:10.10.2.5.1.
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Tuesday, March 25, 2025 PJW- Per RTC, "Foreward flow test at flush inspection.
Tuesday, March 25, 2025 PJW Reviewer- Are you indicating that you will provide the backflow forward flow test during the underground flush prior to connecting to the aboveground? How will the annual forward flow test be performed once construction is complete? See NFPA 13:16.14.5.1 and 16.14.5.1.1 for further information. A means must be provided so it can be completed without the owner having to modify the system. i.e./Test header etc.
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Tuesday, April 22, 2025 PJW- Per RTC, "Added (2) 2 1/2" hose valves at riser detail."
Tuesday, April 22, 2025 PJW Reviewer Response- Indicated on sheet 2 of 3.
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4/22/2025
| PWebb |
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16) Informational Comment- No response necessary.
Exterior stairs are permitted to be unprotected per NFPA 101:7.2.2.6.3.1(2)and(5). Either the window wash sprinklers are elective or perhaps they are being installed to meet a requirement of another code such as the Florida Building Code.
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4/22/2025
| PWebb |