What site constraints decide whether a modular project is viable?
Topography is the constraint everyone asks about. Access is the one that actually stops projects, and it is assessable in an afternoon.
What site constraints decide whether a modular project is viable?
Access governs everything. A module has to travel by road, turn into the street, and be lifted into position, so truck access, crane standing and swing radius, overhead services, easements and neighbouring structures all have to be assessed before design begins. Most constraints are solvable when identified early.
Every enquiry asks about slope. Slope is rarely what decides it.
What decides it is whether a module can physically reach the position it has to occupy, and that is a question about the street, the neighbours and the sky, not about the ground.
The route to the site
A module travels the public road network on a truck. That means the whole route matters, not just the site.
Turning radii at the last few intersections. Overhead clearance under bridges, awnings and signage. Weight limits on local roads and bridges. Parking restrictions and whether the street can be occupied during delivery.
Most of this is knowable from a desktop review and confirmed with a site visit. None of it should be discovered on delivery day.
Where the crane stands
This is the constraint that ends more projects than any other, and it is the one least often checked early.
A crane needs a stable position with enough clear area for its outriggers, close enough to reach the furthest module position with the load it is carrying. Reach and capacity trade against each other, so a module that has to travel further from the crane needs a larger machine, which needs more standing area.
If the only viable crane position is on the road, that becomes a traffic management question and a permit question.
What is above
Overhead power is the most common obstruction, and it is not negotiable. A crane cannot swing a load through an electrical easement, and relocating or shrouding overhead services is a utility process with its own timeframe.
Mature trees matter for the same reason, with the added complication that removing them is usually a planning matter rather than an operational one.
What is below and beside
Easements running through a site constrain where anything can be built and sometimes where a crane can stand.
Sewer mains, stormwater lines and their build-over restrictions constrain foundation positions.
Adjoining buildings constrain both the swing radius and the working space, and in tight urban sites they can constrain the module dimensions themselves.
Ground conditions
Geotechnical conditions decide the foundation system, which decides cost and programme. Reactive soils, fill, rock and high water tables all change the answer.
They rarely make a project unviable. They frequently change the feasibility, which is why a geotechnical investigation belongs at the front of the programme rather than after a design is committed.
The order that saves money
Assess access before anything else. It is the cheapest investigation and the one most likely to change the answer.
Then geotechnical and services, then survey, then planning constraints. Design last, informed by all of it.
The expensive version is the opposite order, where a design is developed and then tested against a site that cannot receive it.
What this means in practice
Made assesses site viability before design begins, because the split between factory and on-site work is set per project. A constrained site does not mean the method does not apply. It means the balance shifts, and that balance is a design decision made with the constraints known rather than discovered.
The turnkey programme is structured this way for that reason: one accountable business carrying the assessment, the design and the delivery, so a constraint found in week two is resolved rather than passed between consultants.
Send us the address and we will tell you what the site allows.
MADEmodular / MADEbetter.
MADEmodular / MADEbetter.