The national backbone cold-chain base in Shijiazhuang is planned at 450,000 m² on 995 mu — broken down in BIM, assembled as modules, and released in phases. The frame was detailed for a building that keeps growing.
A food building is a process with a roof. A cold store is a temperature with walls. Both are judged by the client’s auditor and by the electricity bill, not by the drawing.
One zone or five, and how much difference between them. That single schedule sets the panel thickness, the door types and where the barriers run between rooms.
Cold-room panels, cam-locked and vapour-tight, with every joint and corner detailed. On the warm face, the barrier is continuous — a gap of one fixing is a wet panel in two years.
Insulation under the slab and a heated threshold at the door, so the ground does not freeze and lift. This is the most expensive mistake in the building and the least visible.
How often, how wide, and whether a forklift will hit it in the first month. Door protection is a detail, not an accessory.
Plant, condensers and, on this project, a PV roof over the storage blocks. Whatever the roof carries is a frame decision made at the start or a problem solved at the end.
Every one of them changes the drawing. None of them can be answered on site.
Room by room, including the ante-room and the loading dock, which are usually the two that get forgotten.
Palletised, hanging, in bins, or loose. The handling decides the height and the floor, and the floor decides the frame.
Peak movements per hour, and whether the dock is inside or outside the envelope. The door is the weakest element and the busiest one.
Where water goes, what it touches, and which surfaces have to be cleanable. In food production this decides more details than the structure does.
The equipment lands on our steel. We ask for weights and hanger positions before we size the roof, not after the units arrive.
Retailer, insurer or authority. Their checklist is the specification, and it is cheaper to read it now than to rebuild a wall later.
Room temperatures, traffic and the products going in. From those three the envelope can be sized — and the running cost estimated before it is built.
Send the schedule