Fireworks Site Map Requirements for Fire Marshal

Fireworks Site Map Requirements for Fire Marshal

In this article:

Written by: Paul Foster, Founder, CEO, OnePlan

Key Takeaways

  • Every fireworks permit relies on a clear site map that shows discharge zones, fallout areas, spectator setbacks, and emergency access routes for AHJ review.
  • NFPA 1123 (2026 edition) plus local supplements create a fragmented checklist that many organizers still assemble by hand, which slows approvals.
  • A compliant map includes twelve essentials: scale, north arrow, discharge site, fallout boundary, shell-size setbacks, spectator areas, parking, fire lanes, structures, sensitive facilities, hazards, and fire-suppression resources.
  • Common rejection triggers, such as missing scale, incorrect fallout radius, omitted emergency routes, and unscaled spectator zones, disappear when you work to scale from the first click.
  • OnePlan turns this checklist into a permit-ready map in four steps; book a demo to see how quickly you can produce a compliant plan.

12 Elements Every Fireworks Site Map Must Show

NFPA 1123 Section 5.1.2.2 defines the minimum content a site plan must include when submitted to the AHJ. Most jurisdictions add local requirements on top of that baseline. The following 12 elements reflect what most permit applications expect to see on a fireworks site map.

  1. Scale and north arrow. Draw the plan to a stated scale and include a north arrow so the AHJ can verify every distance against real-world measurements.
  2. Discharge site location and dimensions. Show the exact position and footprint of the mortar racks or firing positions, per NFPA 1123 Section 5.1.2.2.
  3. Fallout area boundary. Mark the designated area where hazardous debris is intended to fall, which must remain free of spectators, unauthorized vehicles, watercraft, and readily combustible materials during the display, per NFPA 1123 Section 3.3.11 and Section 5.1.5.
  4. Minimum display-site radius. Base the display-site radius on the largest shell used, calculated at 70 ft per inch of internal mortar diameter for aerial shells under NFPA 1123 Section 5.1.3 and Table 5.1.3.
  5. Spectator viewing area location and distance. Show the position of all spectator areas with dimensioned separation distances from the discharge site (Section 5.1.2.2).
  6. Parking areas. Label parking zones and show their distances from the discharge site (Section 5.1.2.2).
  7. Emergency access routes. Draw dedicated fire-lane corridors with minimum clear widths and overhead clearances as required by the local AHJ, which may set different thresholds.
  8. Buildings, structures, and streets within the fallout zone. Label and dimension all structures, roads, and non-combustible features inside or adjacent to the fallout area, as required by jurisdictions such as Clark County, Nevada.
  9. Sensitive facility callouts. Identify health-care and detention facilities within range and show dimensions of at least twice the standard fallout-zone distance, per NFPA 1123 Section 5.1.4.1.
  10. Hazard markers. Mark vegetation, flammable materials, fuel storage, and other ignition risks within or near the fallout zone on the plan.
  11. Fire suppression resources. Show extinguisher types and positions. Requirements vary by jurisdiction; Clark County, Nevada provides one example of local rules.
  12. Elevated or angled firing notes. Note any adjustments when fireworks are discharged from more than 25 ft above ground. NFPA 1123 Section 5.2.1.2 requires adding 25 ft to the spectator separation distance, plus an additional 25 ft for every 100 ft of elevation. These adjustments must appear on the plan.

See how OnePlan helps you map all 12 elements to scale in a single workflow — book a demo

Comparing Retail-Tent and Public-Display Site Maps

Consumer fireworks retail sales (CFRS) tents and public aerial displays follow different codes and need different site maps. The table below compares typical requirements side by side. Requirements shown are illustrative examples from specific jurisdictions, so always verify details with your local AHJ.

Requirement Retail Sales Tent (CFRS) Public Aerial Display
Plan type Exterior and interior site plans (Iowa example) Single site plan with discharge zones and fallout areas (NFPA 1123 Section 5.1.2.2)
Key setback shown Minimum 50 ft from fuel-dispensing stations, 20 ft from nearest structure (Hillsborough County, FL example) Setback of 70 ft per inch of mortar diameter from spectators (NFPA 1123 Table 5.1.3)
Access and egress Minimum 3 exits, each at least 44 in. wide, with illuminated exit signs (Hillsborough County, FL example) Dedicated fire lane with minimum clear width and overhead clearance as required by the local AHJ (for example, Asheville, NC)
Fire suppression on plan One 2A-10BC and one 2.5-gallon water extinguisher, readily accessible (Hillsborough County, FL example) Extinguisher types and positions per local requirements (for example, Clark County, NV)

Shell Size and Setback Distances Under NFPA 1123

NFPA 1123 Section 5.1.3 and Table 5.1.3 set the minimum display-site radius for aerial shells. The radius is governed by the largest shell used in the display. Two conditions require doubling of the standard radius: chain-fused devices fired from racks not strong enough to withstand a malfunction (Section 5.1.3.3.2), and separation distances from health-care or detention facilities (Section 5.1.4.1).

Shell Size Minimum Radius (Standard) Doubled Radius (Chain-Fused / Sensitive Facilities)
3 in. 210 ft 420 ft
4 in. 280 ft 560 ft
6 in. 420 ft 840 ft
8 in. 560 ft 1,120 ft
12 in. 840 ft 1,680 ft

Ground display pieces follow separate minimum setback distances that vary by hazard level. Always confirm which edition of NFPA 1123 your AHJ has adopted, because requirements may differ from those shown above.

Extra Map Layers for Waterfront Fireworks Displays

The setback distances and site elements described so far apply to standard land-based displays. Waterfront and coastal fireworks displays require additional planning layers beyond the standard NFPA 1123 framework. Each waterfront display is treated as a site-specific planning effort, with tidal conditions, environmental considerations, and site-specific protocols added to the standard land-based factors.

aerial shot of a coast filled with software-added event elements. On the left, there is an app menu (OnePlan)
Beach event planning example inside OnePlan: the base layer is a zoomable satellite or street map, and everything placed on it (tents, stages, crowd barriers, toilets, vehicles, staff, signage, routes) stays accurately to scale as you zoom

The following elements are typically added to a water-display site map and do not apply to standard land displays.

Four Frequent Reasons Fire-Marshal Plans Are Rejected

Most permit rejections trace back to a small set of recurring errors. Addressing these before submission saves time and avoids costly redraws.

  • Missing scale or north arrow. A plan without a stated scale and north arrow cannot be verified by the AHJ and will be returned immediately.
  • Incorrect or missing fallout radius. Using the wrong shell-size calculation, or omitting the fallout area boundary entirely, is the most common substantive error. The radius must reflect the largest shell in the display.
  • Omitted emergency access routes. Fire lanes must appear with dimensions. A plan that marks spectator areas but leaves emergency vehicle access unlabeled fails the basic safety review.
  • Unscaled or estimated spectator areas. Spectator zones drawn freehand or estimated rather than measured to scale cannot demonstrate compliance with minimum separation distances, and the AHJ has no basis for approval.

Four-Step Workflow for a Compliant Fireworks Map in OnePlan

OnePlan is a browser-based, drag-and-drop event site planning platform used for 200,000+ events across 150 countries, from community fireworks nights to major international events. It replaces the manual redraw cycle with a to-scale, map-based workflow that produces a permit-ready plan in four steps.

Build your event as a team inside OnePlan: design and manage any physical space on one integrated, live plan
  1. Import the site base map. Open OnePlan and navigate to your display site using the live satellite or street map canvas, built on leading GIS technology. If you have an existing site plan, aerial photo, or drone image, convert it to .png and import it as an overlay, scaled directly onto the map. You work on real-world geography from the first click, not a blank canvas.
  2. Place NFPA 1123 zones and setbacks to scale. Use OnePlan’s area and perimeter calculator to draw the discharge site, fallout area, and display-site radius. Every boundary stays accurately to scale as you zoom, so the 280 ft radius for a 4-inch shell matches 280 ft on the ground, not an estimate. Drag and drop mortar rack positions, label shell sizes, and annotate any doubled-distance zones for chain-fused devices or sensitive facilities nearby.
  3. Add emergency access routes, spectator areas, and hazard markers. Drop fire-lane corridors with labeled widths, place spectator crowd areas with dimensioned separation distances, and mark fire suppression resources, hydrants, hazardous vegetation, and fuel storage. Use points-of-interest icons for entrances, exits, first-aid stations, and emergency assembly points.
  4. Export a high-resolution plan and Bill of Quantities. Export a print-ready, high-resolution PNG map for permit submission. OnePlan’s auto-generated Bill of Quantities turns every object on the map into a structured inventory, including extinguisher counts, barrier lengths, and fencing runs, exportable to Excel or CSV for contractor coordination and procurement. This combination of accurate mapping and automated documentation is why customers report 70–85% time savings and up to 75% fewer site visits compared to manual methods. For example, Eagle Mountain City documented a 70% time saving, while the Tour of Britain reduced site visits by 75%.

Multiple team members, including operations, fire liaison, and parks and recreation, can work in the same live plan simultaneously. This shared workspace removes version chaos and eliminates emailing static files back and forth. Real-time collaboration means the fire marshal’s feedback goes straight into the plan, not into a new file.

With OnePlan, you can place barriers, tents, and more inside its integrated, live planning tool

Try the four-step workflow yourself — start your first event free or book a demo

Conclusion: Turn Your Checklist Into a Permit-Ready Map

A compliant fireworks site map is a structured document that proves, to scale, that every zone, setback, access route, and hazard marker meets the requirements of NFPA 1123 and your local AHJ. The 12-element checklist, shell-size setback table, and land-versus-water guidance in this article cover the core of what fire marshals expect to see. The four-step OnePlan workflow turns that checklist into a to-scale, exportable, permit-ready plan without a manual redraw cycle.

Requirements vary by jurisdiction, so always confirm final specifications with your local fire marshal before submitting. When you are ready to build the map itself, OnePlan provides a fast path from a blank site to a compliant, professional plan.

Build your compliant fireworks site map today — start free or schedule a demo

Frequently Asked Questions

What is the minimum setback distance required for a public fireworks display under NFPA 1123?

Under NFPA 1123, the minimum display-site radius for aerial shells is calculated at 70 feet per inch of internal mortar diameter, and the radius is governed by the largest shell used in the display. A 3-inch shell requires a minimum 210-foot radius, a 6-inch shell requires 420 feet, and a 12-inch shell requires 840 feet. Ground display pieces have separate minimum setback distances that vary by hazard level. These distances represent NFPA 1123 minimums, and your local AHJ may require greater separation based on site conditions or local amendments. Always confirm the applicable requirements with your fire marshal before finalizing your site map.

Do I need a different site map for a consumer fireworks retail tent versus a public display?

Yes. The two permit types serve different regulatory purposes and require different plan content. A retail sales tent site map typically includes interior floor plans showing exits, aisle widths, extinguisher positions, flame breaks, and generator placement, as well as exterior plans showing distances to neighboring structures, fuel stations, and parking. A public display site map focuses on discharge site location, fallout area boundaries, shell-size-based setback radii, spectator viewing areas, emergency access routes, and hazard markers. The governing codes also differ, because retail tent requirements are typically set by NFPA 1 and local fire codes, while public aerial displays are governed by NFPA 1123. Some states, such as Iowa and Texas, require specific plan formats for retail sites that are filed with the state fire marshal’s office. Check your jurisdiction’s requirements for both plan types before applying.

What additional elements does a waterfront fireworks site map need compared to a land display?

A waterfront display site map includes all the standard NFPA 1123 elements, such as discharge site, fallout area, setback radii, spectator areas, and emergency access, plus several water-specific additions. These additions include a watercraft exclusion zone boundary showing how unauthorized vessels are kept out of the fallout area during the display, tidal and water-level annotations to document depth and seasonal variation, wind-direction indicators and any spray-buffer setbacks for mist or jet effects, and the positions of emergency-stop circuits and power infrastructure. Waterfront sites also require careful calculation of usable spectator space, because security lanes, emergency routes, and technical zones reduce the total open area along the water’s edge. Each waterfront display is treated as a site-specific planning effort, and the site map must reflect the unique geometry and hazards of the location.

What are the most common reasons a fireworks site map gets rejected by the fire marshal?

The four most frequent rejection triggers are a missing scale or north arrow, which makes it impossible for the AHJ to verify any distance on the plan, an incorrect or missing fallout radius, often caused by using the wrong shell-size calculation or omitting the fallout area boundary entirely, omitted emergency access routes, where spectator areas are shown but fire-lane widths and clearances are not labeled, and unscaled or estimated spectator areas, where zones are drawn freehand rather than measured to scale, making it impossible to demonstrate compliance with minimum separation distances. Addressing all four before submission is the single most effective way to avoid a rejection and resubmission cycle.

Can OnePlan produce a fireworks site map that is accurate enough for permit submission?

Yes. OnePlan’s canvas is a live, zoomable satellite or street map built on leading GIS technology, and every object placed on it stays accurately to scale at any zoom level. You can draw discharge sites, fallout area boundaries, and setback radii to exact dimensions, label spectator areas with measured separation distances, and mark emergency access routes with precise widths. The area and perimeter calculator instantly returns the size of any zone you draw, and the standing crowd capacity calculator lets you document spectator area capacity for the permit file. Plans export as high-resolution, print-ready PNG files suitable for permit submission, and the auto-generated Bill of Quantities exports to Excel or CSV for contractor and procurement coordination. OnePlan is not a regulatory authority and does not replace the judgment of your fire marshal or AHJ, but it produces the to-scale, professionally documented plan that gives your application a strong chance of approval on the first submission.