Building Types
40x100 Fire and EMS Station Building
- Width
- 40 ft
- Length
- 100 ft
- Floor area
- 4,000 sq ft
- Perimeter
- 280 ft
Example
Example Configuration
Get Quotes for a 40×100 Fire and EMS Station Building
Quick dimensions
At a Glance
Width
40 ft across the gable end.
Length
100 ft along the sidewall.
Floor area
4,000 sq ft of clear floor.
Eave height
16 ft at the sidewall on the stored profile.
Use
How a 40×100 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.
Configuration
How This Building Is Configured
Configuration summary
| Building type | Fire and EMS Station Building |
|---|---|
| Footprint | 40 ft × 100 ft |
| Floor area | 4,000 sq ft |
| Eave height | 16 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.
Access
Doors & Access Considerations
Opening width
Across a 40 ft gable end, the practical opening width is limited by the frame and confirmed with the supplier.
Opening height
A 16 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
40′ × 80′
3,200 sq ft
40′ × 120′
4,800 sq ft
30′ × 100′
3,000 sq ft
Related
Related Building Types
Example configuration — for planning purposes only.
FAQ
Common Questions
40 ft × 100 ft is 4,000 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.
Cost drivers
Quantities that move the estimate at 40x100
No price appears on this page. The quantities that scale an estimate at 40x100 are 4,000 square feet of slab, 61.7 cubic yards of nominal concrete, 4,480 square feet of wall cladding and 4,216 square feet of roof cladding. Access, not area, is what makes a plan feel small once it is in use.
The apparatus doors and the bay floor finish carry a disproportionate share of the project, because they are sized for the equipment rather than for the number of people who use the building day to day.
- apparatus door height and width
- drive-through bays versus reverse-in bays
- exhaust capture in the bays
- crew quarters as a separate conditioned envelope
Overview
A 40x100 fire and ems station building planned as a volunteer station members drive to and park apparatus in, entering and exiting through the same bay front
This page is ordered around coverage, because that is the decision this footprint settles first and every later choice follows from it.
The footprint holds 4 apparatus bays — 2 across by 2 deep — and leaves 18 feet of depth for a gear and turnout area between the bays and the day room, so members suit up close to the apparatus rather than carrying gear across the building.
Commitment first: 48% of the 4,000 square feet goes to apparatus bays at 476 square feet each, and 1,920 square feet survives as edge strip. A footprint is worth its own decision when that split lands where the work does. Service routes are cheap to plan now and expensive to retrofit through a finished shell.
A 40 by 100 footprint is a long corridor of a plan: 4,000 sq ft enclosed by 280 ft of wall, at a 2.5:1 length-to-width proportion. Along its 100 ft dimension it takes 2 runs of apparatus bays at 34 ft, leaving 32 ft over — the 32 ft is where the argument about this size actually happens. A volunteer station is empty most of the time and then fills within minutes, so the plan is judged on how quickly a scattered arrival becomes a moving apparatus rather than on how the building feels when everyone is present. Personal vehicle parking, a short gear route and a bay front that does not require backing in are the recurring decisions. A volunteer station is judged on how it works for one member arriving alone, not on how it looks with a full roster present.
This footprint is planned as a volunteer station members drive to and park apparatus in, entering and exiting through the same bay front. Compared with a 40 by 80 of the same width, the extra depth here adds run rather than reach: it buys about 2 apparatus bays in line, and every position past the second is retrieved by moving what stands in front of it. Spent as a square 63 by 63 instead, the same 4,000 sq ft would stand 3 apparatus bays across rather than 1, and would trade this plan's length for parallel access. That is the width-against-depth decision this footprint has already made. This is the scale at which informal habits start to fail: two people working at once need the routes named on the plan rather than agreed by memory. The longest internal travel on a 40 by 100 plan is about 108 ft corner to corner, and the shortest useful one is the 40 ft cross-run. For a a volunteer station members drive to and park apparatus in, entering and exiting through the same bay front that matters where volunteer fire station layout sits, because shortening the 40 ft run to serve it lengthens every trip along the 100 ft dimension. Training or drill space works best kept physically separate from the apparatus floor, so a scheduled drill never has to be cleared before a response can proceed.
Areas, perimeter, roof area, ridge height, slab volume and the apparatus bay counts on this page are computed from the stored 40x100 record and this platform's planning module for the fire and ems station building category.
Openings
Openings for 2 apparatus bays across
The 40-foot gable can carry 2 openings, one per apparatus bay, with 12 feet of wall left for piers between and beside them — the arrangement that keeps each position independently reachable. The count of working positions, not the headline area, is the figure that survives contact with the operation.
The 40 ft ends and the 100 ft sides offer very different opening budgets: 40 ft of end wall has room for one wide opening or two modest ones, while 100 ft of side wall can carry several without the openings competing. On this plan the deciding factor is whether volunteer fire station layout or apparatus bay planning should be the first thing reached from the door.
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.
Configurations
Configuring 4 apparatus bays at 40x100
Nominal bay division computes to 4 bays at about 25 feet, wider than the 14-foot module — so a position can sit inside a bay without a frame line splitting it. A building that cannot be reversed out of is a building that gets used in one direction only.
Two-plus rows change the access question entirely. Every rear position at 40x100 needs either its own opening or an aisle, and 12 feet of spare width is what that aisle has to come from. Noise from this floor reaches the office, the neighbours and the yard, and separation is a plan decision.
Extension is cheapest along the 100 ft dimension, where each added bay repeats work already framed; widening past 40 ft is a different frame rather than a longer one. Growing to 40 by 134 adds a 3th run of apparatus bays — useful if the constraint is apparatus bays rather than the 32 ft already spare at the far end.
Configured as a volunteer station members drive to and park apparatus in, entering and exiting through the same bay front, 40x100 is judged on whether the 4 apparatus bays it holds match the operation, and on whether the 12 feet of spare width leaves the route this mode depends on.
- Does the work need three parked lanes, or two lanes and a moving lane wide enough for equipment to pass, or does it need a second lane that this 40-foot span cannot give?
- Is the 100-foot length being bought for depth, or for the repeated bays — eight to ten repeated bays, which makes the layout a scheduling problem as much as a spatial one?
- 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.
Allocation
Dividing the floor for a volunteer station members drive to and park apparatus in, entering and exiting through the same bay front
The staffing and turnout pattern this station could equally be planned for is a station combining an apparatus floor with dedicated training or drill space under one roof: 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. The bay front takes the width the apparatus needs to enter directly, a gear and turnout strip runs along the wall nearest the bays, and the day room or meeting space sits behind that strip rather than beside the apparatus. Keeping meeting space out of the bay's sightline is what keeps the building usable between calls.
Depth arithmetic leaves a working end zone here. 720 square feet sits past the last row, which is why 40x100 tends to be planned with a gear and turnout area between the bays and the day room, so members suit up close to the apparatus rather than carrying gear across the building designed in rather than added later. Every foot of width added multiplies through the roof and the frame; every foot of length mostly adds skin.
The 12 feet of spare width runs the whole 100-foot length — 1,200 square feet of wall strip. It earns its keep as shelving, staging or a walking route, not as another apparatus bay. Cleaning, maintenance and inspection all need reach, and reach is planned in the gaps rather than in the modules.
Compared with a 40 by 80 of the same width, the extra depth here adds run rather than reach: it buys about 2 apparatus bays in line, and every position past the second is retrieved by moving what stands in front of it. Spent as a square 63 by 63 instead, the same 4,000 sq ft would stand 3 apparatus bays across rather than 1, and would trade this plan's length for parallel access. That is the width-against-depth decision this footprint has already made. This is the scale at which informal habits start to fail: two people working at once need the routes named on the plan rather than agreed by memory. The longest internal travel on a 40 by 100 plan is about 108 ft corner to corner, and the shortest useful one is the 40 ft cross-run. For a a volunteer station members drive to and park apparatus in, entering and exiting through the same bay front that matters where volunteer fire station layout sits, because shortening the 40 ft run to serve it lengthens every trip along the 100 ft dimension. Training or drill space works best kept physically separate from the apparatus floor, so a scheduled drill never has to be cleared before a response can proceed. That movement pattern, not the 4,000-square-foot total, is what decides whether the leftover 18 feet is useful here.
Height
Interior height for a 40x100 fire and ems station building
The stored configuration carries a 16-foot eave and computes to 22.7 feet at the ridge on a 4:12 pitch — a 6.7-foot rise across 40 feet. Height is therefore not uniform, and the sidewall is the constraint. Temperature swing on a steel shell drives condensation decisions that outrank most layout preferences.
Clearance is set by the tallest apparatus expected to occupy the bay, not by the day-room ceiling, and that clearance should be confirmed before the building is planned around a specific truck. Storage above the bays, where clearance allows, is space that would otherwise sit unused.
Ventilation across 4,000 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.
Usable area
How the 4,000 square feet divides at 40x100
Computed apparatus bay fit for a 40x100 fire and ems station building
| Measure | Computed at this footprint |
|---|---|
| Apparatus bays across the 40-foot width | 2 at a 14-foot module |
| Leftover width | 12 ft (1,200 sq ft as a full-length strip) |
| Rows along the 100-foot length | 2 at a 34-foot module after 14 ft of circulation |
| Leftover depth | 18 ft (720 sq ft across the width) |
| Total apparatus bays | 4 |
| Share of floor committed | 48% |
Module footprint used here is 14 by 34 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 100-foot length — planning model, not survey data
| Zone | Length along the building | Computed area |
|---|---|---|
| Primary operating area | 60 ft | 2,400 sq ft |
| Customer or staff area | 22 ft | 880 sq ft |
| Back of house and utility | 18 ft | 720 sq ft |
Shares applied to the stored 100-foot length; areas computed against the 40-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.
Comparison
What changes at adjacent footprints
Computed comparison of nearby footprints for a fire and ems station building
| Footprint | Floor area | Apparatus bays |
|---|---|---|
| 40x40 | 1,600 sq ft | 0 (2 x 0) |
| 36x48 | 1,728 sq ft | 0 (2 x 0) |
| 30x60 | 1,800 sq ft | 2 (2 x 1) |
| 40x50 | 2,000 sq ft | 2 (2 x 1) |
| 30x70 | 2,100 sq ft | 4 (2 x 2) |
Areas computed from each stored size record; apparatus bay counts computed with the same 14 by 34 foot planning module.
- 40x40 moves the count from 4 to 0 apparatus bays (2 across by 0 deep), which is the reason to choose between them.
- 36x48 moves the count from 4 to 0 apparatus bays (2 across by 0 deep), which is the reason to choose between them.
- 30x60 moves the count from 4 to 2 apparatus bays (2 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 apparatus bays
| Footprint | Area Δ | % Δ | Apparatus bays at that footprint | What changes for this use |
|---|---|---|---|---|
| 60x60 | −400 sq ft | −10% | 4 (4 x 1) | Same apparatus bay count on this planning module; the difference is circulation and stored depth, not capacity. |
| 40x120 | +800 sq ft | +20% | 6 (2 x 3) | +2 apparatus bays on the same planning module. |
| 40x80 | −800 sq ft | −20% | 2 (2 x 1) | −2 apparatus bays on the same planning module. |
| 60x80 | +800 sq ft | +20% | 6 (3 x 2) | +2 apparatus bays on the same planning module. |
Areas are arithmetic on two stored size records; apparatus bay counts use this platform's 14 by 34 foot planning module and are not a capacity statement.
Because this footprint is planned as a volunteer station members drive to and park apparatus in, entering and exiting through the same bay front, the useful next reads are different from the ones a differently shaped fire and ems station building suggests: volunteer fire station layout, apparatus bay planning, turnout gear area.
Visualization
Reading the 40x100 footprint as a fire and ems station building
FAQ
Questions about 40x100 fire and ems station building projects
A 5-inch slab across 4,000 square feet computes to 61.7 cubic yards before thickened edges, piers or waste. The final design comes from the foundation engineer.
Reserving 14 ft across the 40 ft dimension for movement leaves 26 ft of working width, which takes 1 apparatus bays at 14 ft. Along 100 ft it takes 2 runs at 34 ft. That is 2 positions out of 4,000 sq ft, and the remainder is circulation, walls and the margin every plan needs. Whether that count is enough depends on when a member arrives alone, can they park a personal vehicle, reach turnout gear and board the apparatus without crossing another member's path. These are planning figures computed from the footprint, not a quoted layout.
4,480 square feet of wall and 4,216 square feet of roof at a 4:12 pitch — the roof exceeding the floor by 5%.
Not necessarily. Many volunteer stations plan a compact meeting and gear area rather than a full living space, since staffing and occupancy patterns for the specific department are set locally rather than by the building's size.
The width leaves 12 feet spare after 2 apparatus bays. That margin absorbs wall storage and passing room. Width is the dimension that cannot be extended later.
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.
- Apparatus bay fit: Counts, leftover strips and per-module areas are computed from the stored 40x100 record against this platform's 14 by 34 foot planning module for the fire and ems station building category, with 14 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 100-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 40x100 fire and ems station building configurations
Review the allocation models for this footprint side by side, then estimate the configuration you intend to build.