Building Types
100x150 Fire and EMS Station Building
- Width
- 100 ft
- Length
- 150 ft
- Floor area
- 15,000 sq ft
- Perimeter
- 500 ft
Quick dimensions
At a Glance
Width
100 ft across the gable end.
Length
150 ft along the sidewall.
Floor area
15,000 sq ft of clear floor.
Eave height
24 ft at the sidewall on the stored profile.
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Configuration
How This Building Is Configured
Configuration summary
| Building type | Fire and EMS Station Building |
|---|---|
| Footprint | 100 ft × 150 ft |
| Floor area | 15,000 sq ft |
| Eave height | 24 ft |
Planning
Footprint & Space Planning
Footprint
Width and length are chosen together: width is usually fixed by what has to fit side by side, length by how many bays are needed.
Height
Eave height affects door options, storage height and how open the interior feels.
Access
Where vehicles and people enter changes the whole interior layout, so access is settled before anything else.
Doors and openings
Opening width, height and position are specified with the supplier; they affect the frame and the wall bracing.
Site
Slope, drainage, access for delivery and erection, and the foundation are confirmed for the actual property.
Expansion
Extending along the length is usually simpler than changing the width later, which is worth deciding up front.
Use
How a 100×150 Fire and EMS Station Building May Be Used
Assembly space
Clear-span width determines how the main space can be arranged and seated.
Support rooms
Ancillary rooms are commonly placed along one side or at one end.
Access and egress
Entrance and exit placement follows the occupancy requirements for the use.
Acoustics and finish
Interior treatment is specified with the intended activity in mind.
Example
Example Configuration
Access
Doors & Access Considerations
Opening width
Across a 100 ft gable end, the practical opening width is limited by the frame and confirmed with the supplier.
Opening height
A 24 ft eave sets the ceiling on door height before any frame change.
Drive-through
Matching openings at both ends avoid reversing, at the cost of usable wall.
Similar sizes
Other Sizes for a Fire and EMS Station Building
100′ × 130′
13,000 sq ft
100′ × 170′
17,000 sq ft
90′ × 150′
13,500 sq ft
Related
Related Building Types
Example configuration — for planning purposes only.
FAQ
Common Questions
100 ft × 150 ft is 15,000 square feet of floor area before any interior partitions.
Length is usually adjusted in bay increments, and width is a larger design change. Both are confirmed with the supplier for the final design.
Site preparation, foundation and erection are commonly quoted separately from the building package. Confirm the scope of any quote you receive.
Compare nearby sizes
Related footprints for this building type
Each page works through one footprint for one building type.
Overview
A 100x150 fire and ems station building planned as a station combining an apparatus floor with dedicated training or drill space under one roof
This page is ordered around arrival, because in a client-facing office the first thirty seconds after the door decide how the rest of the plan has to work.
5 training bays fit across the 100-foot width with only 0 feet left over, which is a tight fit: the width is fully committed and nothing can be widened later without moving a wall.
What distinguishes 100x150 is depth behaviour: 4 rows along 150 feet after 18 feet of circulation, with 4 feet unaccounted for at the end of the run. Insulating later is possible; framing for insulation later is much harder.
A 100 by 150 footprint is a clearly directional plan: 15,000 sq ft enclosed by 500 ft of wall, at a 1.5:1 length-to-width proportion. Along its 150 ft dimension it takes 4 runs of training bays at 32 ft, leaving 22 ft over — the 22 ft is where the argument about this size actually happens. Combining an apparatus floor with training or drill space multiplies the building's use but also multiplies the ways one activity can interfere with the other, so the central planning task is drawing a boundary — physical or procedural — that keeps a drill from ever standing between apparatus and its door. The apron outside an apparatus door is part of the plan whether or not it is drawn, and a drive-through bay depends on aprons at both ends staying clear.
At 100x150 the operating question is a specific one: can the training area be used at full activity while the apparatus bay stays clear and ready, or does one always have to stand down for the other? That is a different question from the one a fire and ems station building of another shape has to answer, and it is why this footprint is planned as a station combining an apparatus floor with dedicated training or drill space under one roof rather than as generic covered area.
Areas, perimeter, roof area, ridge height, slab volume and the training bay counts on this page are computed from the stored 100x150 record and this platform's planning module for the fire and ems station building category.
Openings
Openings for 5 training bays across
At 100 feet the gable will not comfortably take one opening per training bay: 5 positions with 0 feet spare leaves too little wall for piers. A single wider opening, or a sidewall opening, is the workable route. Every foot of width added multiplies through the roof and the frame; every foot of length mostly adds skin.
The apparatus door remains the priority opening and should never open into or across the training area; a separate entrance and, where a drill tower or yard is included, its own access route, keep the two functions from sharing a threshold.
Framed-opening sizes, headers and the structure around them are engineered for the specific building. Confirm every opening with the door supplier and the building manufacturer before ordering.
Allocation
Dividing the floor for a station combining an apparatus floor with dedicated training or drill space under one roof
The staffing and turnout pattern this station could equally be planned for is a compact satellite substation extending coverage from a larger station without duplicating its full support functions: there is no minimal crew space set aside, so any waiting or paperwork happens on the apparatus floor itself. Dividing the 15,000 sq ft by the 20 by 32 ft training bay gives roughly 16 positions before circulation is deducted a second time for cross movement. Whether the plan keeps 16 or drops to 12 comes back to the question this footprint is really answering: can the training area be used at full activity while the apparatus bay stays clear and ready, or does one always have to stand down for the other?
Treating the last 4 feet as a room is the recurring planning error at 100x150: there is no separation zone, so a drill in progress has to be cleared entirely before the apparatus floor can be used for an actual response. Long spans buy flexibility that is only worth paying for if the operation actually changes shape.
Only 0 feet of width is spare, so there is no wall strip: anything set along a sidewall comes out of a training bay's clearance. Depth is bought cheaply and width expensively, which is why this proportion tends to be argued about before anything else.
Spent as a square 122 by 122 instead, the same 15,000 sq ft would stand 5 training bays across rather than 4, and would trade this plan's length for parallel access. That is the width-against-depth decision this footprint has already made. Compared with a 100 by 110 of the same width, the extra depth here adds run rather than reach: it buys about 4 training bays in line, and every position past the second is retrieved by moving what stands in front of it. At this scale the building is infrastructure rather than a shed; scheduling, traffic direction and separation of activities matter more than any single dimension. The longest internal travel on a 100 by 150 plan is about 180 ft corner to corner, and the shortest useful one is the 100 ft cross-run. For a a station combining an apparatus floor with dedicated training or drill space under one roof that matters where apparatus and training station sits, because shortening the 100 ft run to serve it lengthens every trip along the 150 ft dimension. A volunteer station is judged on how it works for one member arriving alone, not on how it looks with a full roster present. That movement pattern, not the 15,000-square-foot total, is what decides whether the leftover 4 feet is useful here.
Configurations
Configuring 20 training bays at 100x150
Nominal bay division computes to 6 bays at about 25 feet, wider than the 20-foot module — so a position can sit inside a bay without a frame line splitting it. Height is the dimension people regret; it cannot be added later without rebuilding the frame line.
Depth here creates a hierarchy: 4 rows means front positions get used and rear positions get filled. Deciding which is which up front is what keeps 100x150 workable. A wider bay is a structural decision and a longer bay is a layout decision; the two are often confused.
Training space typically expands independently of the apparatus floor, since drill and classroom needs change on a different schedule than apparatus counts do; keeping the two zones physically separate from the outset makes that independent growth straightforward.
Configured as a station combining an apparatus floor with dedicated training or drill space under one roof, 100x150 is judged on whether the 20 training bays it holds match the operation, and on whether the 0 feet of spare width leaves the route this mode depends on.
- Does the work need an interior street with independent zones on both sides and turning room at each end, or does it need a second lane that this 100-foot span cannot give?
- Is the 150-foot length being bought for depth, or for the repeated bays — a long repeating bay sequence, so segment boundaries are set by bay lines rather than by walls?
- Is the tallest apparatus dimension measured with everything mounted?
- Drive-through or reverse-in, and what does the apron allow?
Bay division shown here is a planning module computed from the stored length. Actual bay spacing is set by the manufacturer's frame design for the building.
Usable area
How the 15,000 square feet divides at 100x150
Computed training bay fit for a 100x150 fire and ems station building
| Measure | Computed at this footprint |
|---|---|
| Training bays across the 100-foot width | 5 at a 20-foot module |
| Leftover width | 0 ft (0 sq ft as a full-length strip) |
| Rows along the 150-foot length | 4 at a 32-foot module after 18 ft of circulation |
| Leftover depth | 4 ft (400 sq ft across the width) |
| Total training bays | 20 |
| Share of floor committed | 85% |
Module footprint used here is 20 by 32 feet, this platform's planning module for a fire and ems station building. It is not a code minimum or an engineered clearance.
Example allocation of the 150-foot length — planning model, not survey data
| Zone | Length along the building | Computed area |
|---|---|---|
| Primary operating area | 90 ft | 9,000 sq ft |
| Customer or staff area | 33 ft | 3,300 sq ft |
| Back of house and utility | 27 ft | 2,700 sq ft |
Shares applied to the stored 150-foot length; areas computed against the 100-foot width.
Module footprints and allocation shares come from this platform's use typology and are published as example planning models. They are not recommendations and do not describe a majority of projects.
Cost drivers
Quantities that move the estimate at 100x150
No price appears on this page. The quantities that scale an estimate at 100x150 are 15,000 square feet of slab, 277.8 cubic yards of nominal concrete, 12,000 square feet of wall cladding and 15,811 square feet of roof cladding. Cleaning, maintenance and inspection all need reach, and reach is planned in the gaps rather than in the modules.
Proportion drives cost here as much as size does: 500 ft of wall around 15,000 sq ft is 0.033 ft of wall per enclosed square foot, and a squarer plan of the same area would carry less. What moves the figure further on a a station combining an apparatus floor with dedicated training or drill space under one roof is the fit-out apparatus and training station implies, along with framed openings and the height chosen for the 100 ft span.
- apparatus door height and width
- drive-through bays versus reverse-in bays
- exhaust capture in the bays
- crew quarters as a separate conditioned envelope
Height
Interior height for a 100x150 fire and ems station building
Span drives headroom at 100x150: 100 feet of width on a 4:12 pitch puts 40.7 feet over the middle and 24 feet at the walls, so where a tall item stands matters as much as how tall it is. Service routes are cheap to plan now and expensive to retrofit through a finished shell.
Training space often needs different clearance than the apparatus bay — a drill tower or hose-drying area may want more height than the bay itself — so each zone's height should be set by its own use rather than by matching the bay uniformly.
Ventilation across 15,000 square feet at this height: exhaust capture in the bays is planned as part of the building rather than added afterwards.
Clear height below purlins, bracing and lighting is lower than the eave height. The usable figure comes from the manufacturer's framing for the selected building.
Comparison
What changes at adjacent footprints
Computed comparison of nearby footprints for a fire and ems station building
| Footprint | Floor area | Training bays |
|---|---|---|
| 60x100 | 6,000 sq ft | 3 (3 x 1) |
| 50x120 | 6,000 sq ft | 6 (2 x 3) |
| 80x80 | 6,400 sq ft | 4 (4 x 1) |
| 60x120 | 7,200 sq ft | 12 (3 x 4) |
| 50x150 | 7,500 sq ft | 8 (2 x 4) |
Areas computed from each stored size record; training bay counts computed with the same 20 by 32 foot planning module.
- 60x100 moves the count from 20 to 3 training bays (3 across by 1 deep), which is the reason to choose between them.
- 50x120 moves the count from 20 to 6 training bays (2 across by 3 deep), which is the reason to choose between them.
- 80x80 moves the count from 20 to 4 training bays (4 across by 1 deep), which is the reason to choose between them.
Nearby footprints read for a fire and ems station building: exact change in area and in planning training bays
| Footprint | Area Δ | % Δ | Training bays at that footprint | What changes for this use |
|---|---|---|---|---|
| 80x200 | +1,000 sq ft | +6.7% | 28 (4 x 7) | +8 training bays on the same planning module. |
| 100x120 | −3,000 sq ft | −20% | 15 (5 x 3) | −5 training bays on the same planning module. |
| 120x150 | +3,000 sq ft | +20% | 14 (7 x 2) | −6 training bays on the same planning module. |
| 80x150 | −3,000 sq ft | −20% | 16 (4 x 4) | −4 training bays on the same planning module. |
Areas are arithmetic on two stored size records; training bay counts use this platform's 20 by 32 foot planning module and are not a capacity statement.
Because this footprint is planned as a station combining an apparatus floor with dedicated training or drill space under one roof, the useful next reads are different from the ones a differently shaped fire and ems station building suggests: apparatus and training station, drill space planning, combined training fire station.
Visualization
Reading the 100x150 footprint as a fire and ems station building
FAQ
Questions about 100x150 fire and ems station building projects
Not enough for a planned room at this footprint: there is no separation zone, so a drill in progress has to be cleared entirely before the apparatus floor can be used for an actual response.
Reserving 18 ft across the 100 ft dimension for movement leaves 82 ft of working width, which takes 4 training bays at 20 ft. Along 150 ft it takes 4 runs at 32 ft. That is 16 positions out of 15,000 sq ft, and the remainder is circulation, walls and the margin every plan needs. Whether that count is enough depends on can the training area be used at full activity while the apparatus bay stays clear and ready, or does one always have to stand down for the other. These are planning figures computed from the footprint, not a quoted layout.
It depends on the tallest apparatus with everything mounted on it, measured at the door. The stored configuration computes to 40.7 feet at the ridge, but the eave is the number that governs anything standing near a wall.
Either can work; the deciding factor is usually site layout and how training activity should relate to the apparatus floor, which is a planning decision made with the department rather than a fixed rule.
5 training bays fit across the 100-foot width with only 0 feet left over, which is a tight fit: the width is fully committed and nothing can be widened later without moving a wall. Those counts use a 20 by 32 foot planning module with 18 feet allowed for circulation, so a different module changes the answer.
Methodology
How this page was produced
Sources and methodology
Find Steel Buildings dimensional records
Find Steel Buildings · Primary platform dataset · Tier 1 — code authority, standards body, primary dataset or manufacturer engineering
Supports: Stored nominal width, length, eave height, roof pitch and slab thickness for this subject.
International Building Code and International Residential Code
International Code Council · Model code · Tier 1 — code authority, standards body, primary dataset or manufacturer engineering
Supports: The framework of adopted codes and local amendments that decides permitting, separation and opening requirements. Cited as the governing framework, never as a local requirement.
- Dimensional figures: Width, length, eave height, roof pitch and nominal slab thickness come from this platform's stored record for the subject. Floor area, perimeter, wall area, roof area, ridge height and slab volume are computed from those inputs rather than transcribed.
- Training bay fit: Counts, leftover strips and per-module areas are computed from the stored 100x150 record against this platform's 20 by 32 foot planning module for the fire and ems station building category, with 18 feet allowed for circulation. The module is editorial planning typology, not a code minimum or an engineered clearance.
- Allocation model: Zone shares come from this platform's use typology for commercial and customer-facing operations and are applied arithmetically to the stored 150-foot length.
- Allocation and layout models: Layout splits are arithmetic on the stored footprint, published as example allocation models. They are not survey findings and do not describe what buyers most often choose.
- Clearance and opening guidance: Clearance and opening statements are planning guidance. Final dimensions depend on the selected door system, header detail and the manufacturer's engineering for the building.
Methodology notes
- Prices: No price figure appears on this page. Cost data is published on this platform only with a documented inclusion basis, a collection date and a named source.
Drawn to scale
Plans and dimensions
Every drawing below is generated from the exact dimensions for this building, so proportions and areas are accurate.
Compare 100x150 fire and ems station building configurations
Review the allocation models for this footprint side by side, then estimate the configuration you intend to build.