The Fitness Amenity Decisions a Developer Makes, and When

What Has to Land at Each Stage of a Multifamily Project

The fitness room is usually specified last and drawn first, which is the wrong way round. Nothing below is difficult in isolation; the cost comes entirely from which stage each one is answered in.

Schematic design: size the room by people, not by unit count

The useful question is how many residents are in the room at 6 pm on a weekday, not how many apartments the building has. A per-unit rule of thumb produces a room that is either embarrassing at lease-up or over-built for its actual peak.

The planning figure underneath it is ACSM’s: 25 to 50 square feet per station on the fitness floor, a two-fold spread that depends on what each station is. Cardio sits near the bottom; free-weight and functional training at the top once bar path, bench pull-out and spotter access are counted. Then circulation, storage and stretching space are additional to all of it. Two rooms of the same square footage hold very different equipment counts, and the allowance is only half the answer.

Design development: place the room against the structure, not the leasing plan

IBC Table 1607.1 designs gymnasium and fitness areas for a 100 psf live load. Ordinary residential floor areas are designed for 40 psf and sleeping areas for 30 psf, and live loads above 100 psf may not be reduced the way lighter ones can. Putting the amenity on an upper floor, a podium deck or in a converted unit is therefore a question for the engineer of record before it is an equipment decision.

It is not only static weight — a loaded rack stands on four small feet and a dropped barbell delivers far more than its own mass for a fraction of a second. Where the structure is marginal, specifying away from heavy free weights early is what makes the location possible at all. Late, it reads as a cut.

Construction documents: three things that are built in and cannot be added later

These are the items that stop being cheap the moment the walls close, and all three are drawing-stage decisions rather than procurement ones.

Power and data, per machine rather than per room

Commercial treadmill manufacturers specify a dedicated 120-volt, 20-amp branch circuit per unit, with a non-looped neutral and ground. That drives outlet positions, which drive console orientation, which drives the whole cardio bank. Networked consoles need a data path on top of it. This is the single item most often discovered after the walls are closed and the most expensive one to fix at that point.

The accessible route and the clearances around it

Under the 2010 ADA Standards at least one of each type of exercise machine needs a 30-by-48-inch clear floor space served by an accessible route, increasing to 36 by 48 inches where enclosed on three sides. Routes are 36 inches wide minimum and a circular turning space is 60 inches in diameter. Door openings need 32 inches of clear width measured with the door open 90 degrees — a nominal three-foot leaf does not yield 36 inches of clear opening, which matters for compliance and again on delivery day.

The allowance worth designing around: the clear floor space may overlap the accessible route and sit in the aisle behind a machine. A room planned with that in mind meets the requirement without surrendering stations. A room that discovers it late loses equipment.

The floor build-up, and anything holding water

Flooring thickness follows the activity rather than the room, so drop zones, free-weight areas and cardio banks are different build-ups with transitions between them — and the substrate decides what is available: concrete moisture testing comes before product selection, not after a failure. If a recovery amenity is even a possibility, the fill and drain arrangement belongs on this drawing too, because retrofitting drainage into a finished room is one of the more expensive discoveries on a fitness project.

Permit: in Texas the accessibility review is a scheduled step with its own clock

Under Texas Government Code chapter 469, commercial projects with an estimated construction cost of $50,000 or more must be registered with TDLR and reviewed by a Registered Accessibility Specialist. Registration is due within 30 days of permit submission, and the same RAS performs the final inspection. It is a scheduled step rather than a risk, provided it is on the schedule — the detail is in the Texas accessibility review. Arizona has no equivalent state step; the federal requirements apply in full either way, and local permitting is confirmed with the architect or the authority having jurisdiction.

Before the walls close: the last cheap moment

One walkthrough with the equipment layout in hand, against the room as built, catches outlet positions that moved, a door swing that eats the corner the rack was drawn in, a soffit lower than the drawing, and a sprinkler head over the platform. Every one of those is trivial before the finishes go on and a change order afterward.

Turnover: the amenity is a leasing asset from the first tour

The room is photographed for the leasing site before anyone has trained in it, and it is shown continuously from then on. Two things follow. Specify for a room nobody staffs and nobody supervises — that changes the equipment list. And start maintenance at turnover rather than at the first complaint, scheduled against hours of use, since an amenity room open around the clock has no off period in which to recover.

Published August 17, 2026 · 6 minutes read