I work as a lifting coordinator for contractors building apartment blocks, medical additions, and mixed-use projects on older city parcels where every square foot is already spoken for. My job starts long before a crane arrives, because a temporary lifting setup can fail on paper even when the selected machine has enough capacity. I spend much of my time checking access gates, underground services, swing limits, delivery windows, and the sequence of work around the crane. Space disappears quickly.
I Treat the Crane as Part of the Site Layout
I never place a crane on a drawing as if it were a separate piece of equipment. I treat it as a temporary work zone that affects pedestrian routes, concrete deliveries, scaffold ties, material storage, and emergency access for the full period it remains on site. On one infill project, a 14-foot access lane looked generous until the team added a hoist landing, a rubbish skip, and a protected walkway. The crane still fit, but the development no longer functioned around it.
I usually begin with the heaviest planned picks and work backward through the building sequence. A precast stair flight needed in week 6 may control the crane choice more than hundreds of lighter pallet lifts scheduled before it. I also check where the load starts, where it lands, and what blocks the path between those points. A capacity chart alone never tells me whether a practical lift can be completed safely.
I have learned to reserve working room rather than machine room. The footprint may show the crane body inside the boundary, yet the counterweight, outriggers, rigging area, and delivery vehicle can extend far beyond that neat outline. On a narrow residential build last autumn, I shifted the crane base by roughly 2 metres and saved the only usable unloading bay. That small move prevented daily arguments between the lifting crew and delivery drivers.
I Match the Crane Type to the Constraint
I choose the crane after I understand what kind of space is missing. A luffing-jib tower crane can help where oversailing and swing radius are tightly controlled, while a compact mobile crane may suit short bursts of work from a street closure. For internal courtyards or podium levels, I sometimes consider a mini crawler because it can travel through a restricted gate and set up closer to the load. Each option solves a different problem.
I also compare rental support, erection requirements, and dismantling access before I recommend a machine. One rental provider describes its service as temporary crane support for space constrained developments which reflects the kind of planning I expect when a project has little room for error. I want the supplier to question my assumptions about tie positions, jib parking, transport routes, and future obstructions. A crane that arrives correctly but cannot leave at the planned stage is still the wrong crane.
I once reviewed a compact crane proposed for a courtyard with a gate just under 3 metres wide. The machine dimensions worked, but the transport trailer could not make the final turn without removing a section of hoarding. I caught that issue during a route walk and changed the delivery method before the hire began. That choice matters.
I Verify the Ground Before I Trust the Setup
I do not accept a clear patch of concrete as proof of suitable support. Beneath that surface may be a basement slab, an old drainage run, a service duct, or fill placed during an earlier phase. I ask for structural information, utility records, and the proposed outrigger or base reactions before the crane booking is final. On one renovation, a 24-inch storm line ran almost exactly beneath the preferred rear outrigger position.
I work with the engineer to decide whether the answer is a grillage, spreader mats, temporary propping, a revised crane position, or a different lifting method. I avoid pretending that one solution suits every site because the load path changes with the structure below. Sometimes the cheapest move is shifting the crane half a bay rather than designing heavy temporary works. Other times, the only sensible answer is to support the slab from the level beneath.
I also inspect the setup after rain, excavation changes, and heavy vehicle movement near the crane. A plan approved 3 weeks earlier may no longer reflect the edge distance to a new trench or the condition of compacted fill. I record visible changes and raise them before the next lifting period. Paperwork helps, but the ground in front of me gets the final check.
I Build the Delivery Sequence Around Limited Holding Space
I plan lifting slots as closely as the crane itself because cramped sites rarely have room to store loads. Steel, glazing, mechanical units, and reinforcement often need to arrive in the same order they will be lifted. I prefer a 30-minute delivery window with a confirmed call-ahead point rather than several trucks waiting beside the site. One late vehicle can block the crane, the gate, and the public road at the same time.
I ask the site team to identify a fallback area before the first busy lifting day. That area may be a rented bay, a nearby holding yard, or a legal lay-by several streets away. I used a small industrial yard about 10 minutes from one city project, and it gave us enough control to release vehicles one at a time. The extra coordination cost much less than repeated aborted deliveries.
I also separate routine lifting from special lifts. Pallet movements can often follow a regular morning pattern, while long steel members or plant rooms need exclusive time and a cleared route. On a hospital extension, I scheduled one rooftop unit before 7 a.m. because the service road had to reopen for clinical deliveries. The lift was simple once the rest of the site stopped competing for the same space.
I Control Swing, Oversailing, and Neighbor Interfaces
I treat neighboring property as a live constraint, not a line on a plan. The crane may need oversailing rights, slew restriction, anti-collision controls, or a strict parking position depending on nearby roofs and other cranes. I confirm these matters early because legal agreements and technical systems often take longer than the crane hire itself. On one block, a chimney only 4 metres outside the boundary controlled the luffing angle used during out-of-service periods.
I keep the operating team informed about temporary changes around the site. New scaffold lifts, mast climbers, façade screens, and rooftop steel can all reduce the working envelope after the crane has been installed. I update lift paths rather than relying on the original logistics drawing for months. A clear route in the foundation stage may be unusable by level 8.
I also pay attention to noise, lighting, and public protection because space constraints push work closer to occupied buildings. I have moved a signaling position by one floor to keep the operator and signaller in reliable contact without shouting across a courtyard. On another job, a simple change to the loading bay lighting improved early-morning rigging checks. These are small controls, but they support consistent work.
I Plan Dismantling Before the Crane Is Erected
I ask how the temporary crane will be removed during the first planning meeting. By the time the structure reaches its full height, access may be blocked by finished façades, landscaping, permanent plant, or new traffic restrictions. I identify the assisting crane position, the heaviest dismantling piece, and the truck route before construction closes those options. On a recent project, we left a 6-metre section of podium edge protection demountable for that reason.
I also check whether the crane can complete final roof lifts without trapping itself behind the finished building. A contractor once wanted to install a screen wall early because it made the roof look complete, but that wall would have blocked the planned dismantling radius. I asked the team to delay 2 panels until the crane sections were removed. The change added little effort and protected the agreed programme.
I prefer a written exit sequence with named responsibilities. The crane supplier, principal contractor, traffic team, and structural engineer each own a different part of the removal process. I schedule a final route inspection about 2 weeks before dismantling so recent changes can be addressed. Leaving is often harder than arriving.
I judge temporary crane support by how quietly it serves the development. If deliveries move, workers stay clear, neighbors are respected, and the crane leaves on schedule, the planning has done its job. I would rather spend an extra day testing access and sequencing than lose several shifts to a constraint everyone could see but nobody owned. On tight sites, disciplined preparation creates the room that the boundary never provided.