Building Types
120x150 Indoor Sports Facility
- Width
- 120 ft
- Length
- 150 ft
- Floor area
- 18,000 sq ft
- Perimeter
- 540 ft
Quick dimensions
At a Glance
Width
120 ft across the gable end.
Length
150 ft along the sidewall.
Floor area
18,000 sq ft of clear floor.
Eave height
14 ft at the sidewall on the stored profile.
Configuration
How This Building Is Configured
Configuration summary
| Building type | Indoor Sports Facility |
|---|---|
| Footprint | 120 ft × 150 ft |
| Floor area | 18,000 sq ft |
| Eave height | 14 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 120×150 Indoor Sports Facility May Be Used
Courts
Clear-span width determines how the main space can be arranged and seated.
Training
Ancillary rooms are commonly placed along one side or at one end.
Recreation
Entrance and exit placement follows the occupancy requirements for the use.
Example
Example Configuration
Access
Doors & Access Considerations
Opening width
Across a 120 ft gable end, the practical opening width is limited by the frame and confirmed with the supplier.
Opening height
A 14 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 Indoor Sports Facility
120′ × 130′
15,600 sq ft
120′ × 170′
20,400 sq ft
110′ × 150′
16,500 sq ft
Related
Related Building Types
Example configuration — for planning purposes only.
FAQ
Common Questions
120 ft × 150 ft is 18,000 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 120x150 indoor sports facility planned as a facility planned to hold events with spectators as well as regular use
This page is ordered around the activity surface and the margin around it, because the surround is what decides whether this footprint carries the surface comfortably or only nominally.
The footprint holds 2 event zones — 2 across by 1 deep — and leaves 42 feet of depth for a spectator and concourse band along one side, planned so watching does not happen on the activity surface.
Read this footprint through its span. 120 feet across is the fixed constraint; 150 feet of length is the negotiable one, and at 1.25 to 1 the building is close to square, so movement runs in both directions. An empty building looks generous and a working one rarely does; plan against the working state.
A 120 by 150 footprint is a mildly directional plan: 18,000 sq ft enclosed by 540 ft of wall, at a 1.3:1 length-to-width proportion. Along its 150 ft dimension it takes 1 run of event zones at 90 ft, leaving 60 ft over — the 60 ft is where the argument about this size actually happens. Event use is a different building from weekly use, and it is the case that decides several dimensions. Spectator space, a separated entrance, circulation that works when the building is full, and somewhere for officials and teams are the claims that ordinary use never makes and event days always do. Playing surface dimensions, run-off space and clearances are determined by the relevant governing body and the design professional for the specific facility.
At 120x150 the operating question is a specific one: what does the building need on the handful of days a year when it holds an event rather than a session? That is a different question from the one a indoor sports facility of another shape has to answer, and it is why this footprint is planned as a facility planned to hold events with spectators as well as regular use rather than as generic covered area.
Areas, perimeter, roof area, ridge height, slab volume and the event zone counts on this page are computed from the stored 120x150 record and this platform's planning module for the indoor sports facility category.
Usable area
How the 18,000 square feet divides at 120x150
Computed event zone fit for a 120x150 indoor sports facility
| Measure | Computed at this footprint |
|---|---|
| Event zones across the 120-foot width | 2 at a 55-foot module |
| Leftover width | 10 ft (1,500 sq ft as a full-length strip) |
| Rows along the 150-foot length | 1 at a 90-foot module after 18 ft of circulation |
| Leftover depth | 42 ft (5,040 sq ft across the width) |
| Total event zones | 2 |
| Share of floor committed | 55% |
Module footprint used here is 55 by 90 feet, this platform's planning module for a indoor sports facility. 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 |
|---|---|---|
| Main assembly area | 93 ft | 11,160 sq ft |
| Circulation and entry | 30 ft | 3,600 sq ft |
| Support rooms and utility | 27 ft | 3,240 sq ft |
Shares applied to the stored 150-foot length; areas computed against the 120-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.
Allocation
Dividing the floor for a facility planned to hold events with spectators as well as regular use
The programming pattern this floor could equally be scheduled as is a single activity floor scheduled for one group at a time: the margin is minimal, so equipment and waiting participants stand at the edge of the active surface. A band along one side carries spectators and circulation; the activity surface keeps its full dimension. Taking spectator space out of the surround rather than planning it separately is what makes event days uncomfortable.
Depth arithmetic leaves a working end zone here. 5,040 square feet sits past the last row, which is why 120x150 tends to be planned with a spectator and concourse band along one side, planned so watching does not happen on the activity surface designed in rather than added later. Ground conditions and drainage decide the floor before the frame does.
Spare width is the more valuable of the two leftovers here: a continuous 10-foot strip beats the same area stranded at the end of the run, because it touches every position along the way. Neighbouring buildings, setbacks and the approach road often decide the orientation before the plan does.
Spent as a square 134 by 134 instead, the same 18,000 sq ft would stand 2 event zones 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. Compared with a 120 by 110 of the same width, the extra depth here adds run rather than reach: it buys about 1 event zones 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 120 by 150 plan is about 192 ft corner to corner, and the shortest useful one is the 120 ft cross-run. For a a facility planned to hold events with spectators as well as regular use that matters where spectator concourse planning sits, because shortening the 120 ft run to serve it lengthens every trip along the 150 ft dimension. A sports building's real capacity is set by its schedule and its changeover time, not by its floor area. That movement pattern, not the 18,000-square-foot total, is what decides whether the leftover 42 feet is useful here.
Height
Interior height for a 120x150 indoor sports facility
Span drives headroom at 120x150: 120 feet of width on a 3:12 pitch puts 29 feet over the middle and 14 feet at the walls, so where a tall item stands matters as much as how tall it is. The corner nobody plans for is the one that fills first, which is an argument for planning it.
Height serves the activity and, secondarily, the sense of the room when it is full. Any provision for elevated seating, technical positions or rigging is engineered for the specific building.
Ventilation across 18,000 square feet at this height: sustained high activity across a large volume, so air handling is sized for the busiest scheduled period.
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.
Openings
Openings for 2 event zones across
One opening per position works on this gable: 2 across 120 feet, with 10 feet of wall to distribute as piers. Splitting that margin evenly is what keeps the elevation buildable. What the building holds in its busiest week is the honest brief; the rest of the year is slack.
The 120 ft ends and the 150 ft sides offer very different opening budgets: 120 ft of end wall has room for one wide opening or two modest ones, while 150 ft of side wall can carry several without the openings competing. On this plan the deciding factor is whether spectator concourse planning or event day circulation 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 2 event zones at 120x150
Nominal bay division computes to 6 bays at about 25 feet, narrower than the 55-foot module — so frame lines land inside positions and the interior has to be set out from the columns. The plan should survive the day the largest item the operation owns has to come inside.
One row deep keeps the layout honest — no aisle to protect, no rear zone to serve, and the full 150-foot length available along the wall. A leftover strip earns its place only when something is deliberately put in it; otherwise it is circulation with a nicer name.
Extension is cheapest along the 150 ft dimension, where each added bay repeats work already framed; widening past 120 ft is a different frame rather than a longer one. Growing to 120 by 240 adds a 2th run of event zones — useful if the constraint is event zones rather than the 60 ft already spare at the far end.
Configured as a facility planned to hold events with spectators as well as regular use, 120x150 is judged on whether the 2 event zones it holds match the operation, and on whether the 10 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 120-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?
- Which sport sets the clear height, and does every zone meet it?
- How does the floor subdivide, and does the structure allow the dividing lines you want?
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.
Comparison
What changes at adjacent footprints
Computed comparison of nearby footprints for a indoor sports facility
| Footprint | Floor area | Event zones |
|---|---|---|
| 60x120 | 7,200 sq ft | 1 (1 x 1) |
| 50x150 | 7,500 sq ft | 0 (0 x 1) |
| 80x100 | 8,000 sq ft | 1 (1 x 1) |
| 60x150 | 9,000 sq ft | 1 (1 x 1) |
| 80x120 | 9,600 sq ft | 4 (2 x 2) |
Areas computed from each stored size record; event zone counts computed with the same 55 by 90 foot planning module.
- 60x120 moves the count from 2 to 1 event zones (1 across by 1 deep), which is the reason to choose between them.
- 50x150 moves the count from 2 to 0 event zones (0 across by 1 deep), which is the reason to choose between them.
- 80x100 moves the count from 2 to 1 event zones (1 across by 1 deep), which is the reason to choose between them.
Nearby footprints read for a indoor sports facility: exact change in area and in planning event zones
| Footprint | Area Δ | % Δ | Event zones at that footprint | What changes for this use |
|---|---|---|---|---|
| 100x200 | +2,000 sq ft | +11.1% | 1 (1 x 1) | −1 event zone on the same planning module. |
| 80x200 | −2,000 sq ft | −11.1% | 1 (1 x 1) | −1 event zone on the same planning module. |
| 100x150 | −3,000 sq ft | −16.7% | 4 (2 x 2) | +2 event zones on the same planning module. |
| 120x200 | +6,000 sq ft | +33.3% | 16 (4 x 4) | +14 event zones on the same planning module. |
Areas are arithmetic on two stored size records; event zone counts use this platform's 55 by 90 foot planning module and are not a capacity statement.
Because this footprint is planned as a facility planned to hold events with spectators as well as regular use, the useful next reads are different from the ones a differently shaped indoor sports facility suggests: spectator concourse planning, event day circulation, participant and spectator separation.
Visualization
Reading the 120x150 footprint as a indoor sports facility
FAQ
Questions about 120x150 indoor sports facility projects
About 5,040 square feet across the width — enough for a spectator and concourse band along one side, planned so watching does not happen on the activity surface.
Reserving 18 ft across the 120 ft dimension for movement leaves 102 ft of working width, which takes 1 event zones at 55 ft. Along 150 ft it takes 1 runs at 90 ft. That is 1 positions out of 18,000 sq ft, and the remainder is circulation, walls and the margin every plan needs. Whether that count is enough depends on what does the building need on the handful of days a year when it holds an event rather than a session. These are planning figures computed from the footprint, not a quoted layout.
It depends on the highest ball flight or activity envelope of the most demanding sport booked. The stored configuration computes to 29 feet at the ridge, but the eave is the number that governs anything standing near a wall.
Enough that event days do not require the activity surface to absorb spectators. Beyond that, the additional provision is a business decision rather than a planning one.
The footprint holds 2 event zones — 2 across by 1 deep — and leaves 42 feet of depth for a spectator and concourse band along one side, planned so watching does not happen on the activity surface. Those counts use a 55 by 90 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.
- Event zone fit: Counts, leftover strips and per-module areas are computed from the stored 120x150 record against this platform's 55 by 90 foot planning module for the indoor sports facility 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 assembly and gathering space 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.
Cost drivers
Quantities that move the estimate at 120x150
The estimate at 120x150 moves with four computed quantities: 18,000 square feet of floor, 540 feet of perimeter, 7,560 square feet of wall and 18,554 square feet of roof. Everything else is site and specification. Plan the exit as carefully as the entrance; buildings are emptied under more time pressure than they are filled.
Proportion drives cost here as much as size does: 540 ft of wall around 18,000 sq ft is 0.03 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 facility planned to hold events with spectators as well as regular use is the fit-out spectator concourse planning implies, along with framed openings and the height chosen for the 120 ft span.
- clear height set by the most demanding activity
- the clear span and how the floor subdivides
- zoned lighting and control
- equipment storage rooms opening onto the floor
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 120x150 indoor sports facility configurations
Review the allocation models for this footprint side by side, then estimate the configuration you intend to build.