Global Cities Development

Sectors

Ports & maritime

How a port is held in a special-purpose vehicle (SPV) of its own, why terminals sit beneath it as concessions rather than beside it, and why the hinterland corridor is planned with the port rather than after it.

Overview

A port determines what a regional economy is able to trade, and its design life is measured in decades. Marine works are effectively permanent, capital intensive and difficult to phase, which makes the earliest decisions — channel depth, quay levels, the land reserved behind the berth — more consequential than almost anything else in a city programme.

The structure separates the port from the terminals operating inside it — the landlord port model. A port company holds marine access, common-user facilities and the estate, and awards terminal concessions on terms that are published rather than negotiated case by case. An operator therefore brings cranes, systems and cargo without acquiring rights over the port’s expansion or over the city behind it. Keeping common-user facilities with the port company is what prevents a single operator from foreclosing access to everyone else.

Hinterland connection is treated as part of the port rather than as someone else’s problem. Capacity at the quay is worth little if road and rail cannot clear it, so corridors, inland depots and clearance procedures are planned together with the transport and zone components. Where that sequencing is left to later negotiation, the result is usually a working berth behind a congested gate.

Clear City, the company’s planned zone on the Eastern Seaboard of South Africa, is a coastal programme in preparation. Whether marine works would form part of it, and in what form, is a question for a master plan that does not yet exist; if they did, this is the structure that would hold them.

Schematic

The parts and how they connect

Schematic of a port: marine access, berth line, yard and the landside interfacePlan-style schematic. Water fills the northern half, with two breakwaters, a dashed approach channel and a turning basin at its head. A heavy berth line and its quay apron run along the waterfront. Behind them lie three yard stacks, then a rail and road front, then a corridor leaving the plan to the east.PLATE 03 / 10SCHEMATIC · NOT TO SCALE0102030405Schematic of a port: marine access, berth line, yard and the landside interfacePlan-style schematic. Water fills the northern half, with two breakwaters, a dashed approach channel and a turning basin at its head. A heavy berth line and its quay apron run along the waterfront. Behind them lie three yard stacks, then a rail and road front, then a corridor leaving the plan to the east.PLATE 03 / 10SCHEMATIC · NOT TO SCALE0102030405Schematic of a port: marine access, berth line, yard and the landside interfacePlan-style schematic. Water fills the northern half, with two breakwaters, a dashed approach channel and a turning basin at its head. A heavy berth line and its quay apron run along the waterfront. Behind them lie three yard stacks, then a rail and road front, then a corridor leaving the plan to the east.PLATE 03 / 10NOT TO SCALE0102030405
  • 01Breakwaters, approach channel and turning basin
  • 02Berth line and quay structures
  • 03Container and bulk yard
  • 04Rail and road front
  • 05Hinterland corridor leaving the port
  • Vessel to quay, yard and hinterland
Illustrative. Schematic of a port: marine access, berth line, yard and the landside interface. Not a site plan or a design, and not a depiction of any existing or planned facility.

What this covers

Scope of work in ports & maritime

In the structure

How the sector is held

Ports make the clearest case for a vehicle of their own at layer 4: marine works have a different asset life, risk profile and lender base from anything else in a city. A port company holds marine access, common infrastructure and the landside estate; individual terminals sit beneath it as concessions or subsidiaries, so that an operator's rights end at the edge of its terminal. The port's clearance, customs and community systems connect to the crosscutting digital layer, and the hinterland corridor is planned with layer 3 rather than negotiated afterwards.

The layers of building a city

Partners and capital

How partners and capital enter

Terminal operators enter through concessions awarded by the port company on published terms, bringing equipment, systems and traffic rather than control of the port. Marine infrastructure carries the longest payback and the least tolerance for refinancing risk, so it is designed from the outset to be financed on development finance terms, with obligations secured on the port company and not on the city.

Crosscutting

Sustainability and resilience in ports & maritime

Dredging and reclamation are the largest single interventions a programme makes in a coastal system, so bathymetry, sediment transport and habitat survey work precedes layout decisions rather than following them; shore power, electrified handling equipment and a stated sea-level allowance in quay and berth levels are specified at design stage, when they are still a design choice.

Related

All ten sectors