Key takeaways
- Use clear height below obstructions, not only the slab-to-slab dimension.
- Record height on a plan and at least one section so changes are visible.
- Assign activities after height, users, circulation, and supervision are considered together.
- Keep inspection, maintenance, fire, building, and accessibility coordination in the project scope.
Clear height is the dimension that shapes the concept
Leasing information often gives one floor-to-floor or slab-to-slab height. That number is a useful starting point, but it does not show the volume available to equipment. A beam may cross the center of the space, ducts may drop along one wall, and suspended lighting or sprinklers may establish a lower control point.
For early planning, create a clear-height map. Mark the finished-floor level, underside of structure, lowest building service, and every change in height. If the venue has a sloped roof or multiple ceiling zones, add sections through the most restrictive and most promising areas.
- Overall slab-to-slab and finished-floor-to-structure dimensions
- Beam depth, width, direction, and bottom elevation
- HVAC ducts, pipes, sprinklers, lights, cable trays, signs, and acoustic elements
- Mezzanines, ramps, soffits, raised floors, and sloped roof lines
- Required access panels and maintenance paths above the attraction
Height changes the activity mix before it changes the theme
The visual theme can adapt to many spaces; the physical activity mix cannot ignore the available volume. Vertical slides, climbing, net structures, aerial challenges, trampoline courts, and multi-level play each introduce their own spatial, engineering, clearance, supervision, and operating questions.
A stronger layout protects the best volume for the attractions that genuinely need it. Lower zones can support gentler play, imaginative activities, parent-facing functions, circulation, or service areas. This produces a more readable venue than distributing tall equipment evenly without regard to the building.
Planning principle: allocate height where it creates meaningful visitor value, then use lower volumes intentionally instead of treating them as leftover space.
What to include in the site information pack
A useful first submission combines drawings with visual evidence. CAD or a dimensioned PDF helps the design team coordinate positions; photos and video help reveal services, finishes, access conditions, and discrepancies that drawings may not show.
Label every drawing with units, scale, date, and revision. Identify dimensions that have been site-verified and those that still come from an early landlord plan. If services may be relocated, mark that as a project decision rather than quietly assuming they will move.
- Dimensioned floor plan with the proposed play boundary
- Reflected ceiling or building-services plan
- At least one longitudinal and one cross section where available
- Photos from all corners plus close views of low points
- A slow walkthrough video from entrance to the full play area
- A note separating fixed services from potentially relocatable services
Use a height-led zoning review
Start by overlaying the clear-height map with columns, entrances, exits, windows, fire equipment, and customer circulation. Next, add the intended age groups, capacity, staff observation, and supporting functions. Only then test the attraction mix.
This sequence helps avoid a common redesign problem: selecting a hero attraction first and discovering later that it conflicts with a beam, service route, exit strategy, supervision point, or neighboring use. It also makes tradeoffs visible when the budget cannot support every desired attraction.
Treat height approval as a coordinated project decision
Equipment planning does not replace local professional review. The destination, venue type, equipment category, building configuration, fire strategy, accessibility approach, and inspection pathway can all affect the final solution.
Ask the project team to define who confirms building information, who reviews the equipment, which standards and documents are required, who coordinates building services, and who signs off the installed venue. Keep these responsibilities in writing before final approval and production.
The fastest next step is a measured plan, not a catalog choice
Send the current plan, sections, clear-height map, photos, target ages, preferred activities, budget range, and opening goal in one package. Vabibo can then review whether the available volume supports the intended concept and identify the assumptions that still need confirmation.
Sources and related references
- ASTM F1918 — Soft Contained Play Equipment scope
- Vabibo — Indoor Playground Standards and Project Documentation
This buyer guidance supports early planning. Final dimensions, standards, responsibilities, and approvals must be confirmed for the actual project and destination.

