MEP Coordination in Underground Parking Garages
If there is one area of a project where systems coordination decides whether construction flows or gets stuck — it’s the underground garage: the most systems, the least space, and the most expensive place to fix things after the fact.
Why garages, specifically?
An underground garage is where nearly all of the building’s systems meet — drainage and sewage, fire protection (sprinklers), ventilation and smoke extraction, electrical, lighting and communications — all under a ceiling with a minimal clear height set by code and the developer’s requirements. Every small deviation in one route drags a chain of moves for everyone else.
- Critical heights — every centimeter under the ceiling is fought over: beams, ducts, sloped piping and sprinklers in the same section.
- Drainage slopes — gravity piping doesn’t compromise; it dictates heights for everything else.
- Drive lanes and ramps — zones where no system may drop low.
- Smoke-extraction requirements — huge ducts or fans that consume significant volume.
What does working garage coordination look like?
- Governing sections first — identifying the densest zones and solving them first, not last.
- Engineering priority order — first what can’t move (sloped drainage, beams), then what’s flexible.
- Continuous clear-height checking — every coordination round verifies free height is maintained at every point, including under systems.
- Site-feasibility check — the model is checked against real installation feasibility: assembly order, access, hangers.
A properly coordinated garage reaches construction without demolition and without last-minute "let’s drop the ceiling another 10 cm". That’s how the shared garage in the Yehud residential towers project was coordinated — a full model of all levels, delivered construction-ready.
When to start?
Early. Garage height, shaft locations and main piping routes are set in early design stages — and if coordination only starts after everything is "locked", the only solutions left are the expensive ones.
Frequently Asked Questions
What is the most common problem in garage coordination?
A height conflict under the ceiling: sloped drainage piping, smoke-extraction ducts and beams — all in the same section, above a rigid clear-height requirement. Without early coordination it’s discovered on site.
Can you coordinate just the garage and not the whole project?
Yes. The garage is a natural unit for focused coordination, and sometimes that’s exactly where the construction company needs help. Full project coordination is of course preferable.
What is needed to get started?
Models or drawings of the relevant disciplines (architecture, structure, MEP) and the design status. From there — a scope and price estimate within 24 hours.
What if the systems haven’t been modeled yet?
The MEP model can be built as part of the service (full BIM coordination), or we work with the consultants who model their own disciplines — whatever fits the project.