Engineering basis
The engineering, in the open.
Standards the design follows, the security model, the energy position, and how the assembly reports on itself.
How this site is written
Four rules the pages keep.
- 01
Every number has a source
A value on this site names where it came from and how far it has been taken. A value that is not settled says what settles it.
- 02
Design intent is labelled as design intent
Nothing here is measured. No unit has run, so no page carries an availability figure, an operating hour, or a customer.
- 03
Scope is split before price
What a site provides and what Nawa builds is written down before a configuration is priced, so nobody discovers a boundary during commissioning.
- 04
Unresolved values stay unpublished
Where a source package contradicts itself, neither figure ships. Two of those are open right now and both are named on the configuration pages.
Standards
What the design follows.
Each row names a standard, what it governs, and where the design sits against it.
| Standard | Domain | What it governs | How far Nawa has taken it |
|---|---|---|---|
| Concurrently maintainable topology | Power | Whether a capacity component can be taken out of service with the load running. | Campus 7.5 is drawn to this topology. No unit has been assessed or certified against it. |
| ISO 668 and ISO 1496 freight containers | Site | Container dimensions, corner castings, and structural rating. | Yard 400 and Module 20 use ISO shell dimensions and corner castings. Nothing has been tested to the load ratings. |
| ASHRAE liquid cooling classes | Cooling | Facility supply temperatures for direct-to-chip and immersion systems. | The 20 °C supply and 36.5 °C return come from the source package and sit inside the warm-water range. No thermal model has been run by Nawa. |
| Clean-agent fire suppression | Controls | Total-flood suppression in an occupied electrical space. | Every configuration carries clean-agent suppression. The agent is unresolved in the source package and is set by the jurisdiction. |
| Grounding and bonding | Power | Earthing of the shell, the racks, and the service entrance. | The interface is drawn. The design is bonded at the pad, and the detail follows the electrical code of the jurisdiction. |
| Oversize load permitting | Site | Road transport of a load beyond the standard width. | At 3100 mm the section is a permit load in most jurisdictions. Route survey precedes any order. |
- Concurrently maintainable topology
- Power
Whether a capacity component can be taken out of service with the load running.
Campus 7.5 is drawn to this topology. No unit has been assessed or certified against it.
- ISO 668 and ISO 1496 freight containers
- Site
Container dimensions, corner castings, and structural rating.
Yard 400 and Module 20 use ISO shell dimensions and corner castings. Nothing has been tested to the load ratings.
- ASHRAE liquid cooling classes
- Cooling
Facility supply temperatures for direct-to-chip and immersion systems.
The 20 °C supply and 36.5 °C return come from the source package and sit inside the warm-water range. No thermal model has been run by Nawa.
- Clean-agent fire suppression
- Controls
Total-flood suppression in an occupied electrical space.
Every configuration carries clean-agent suppression. The agent is unresolved in the source package and is set by the jurisdiction.
- Grounding and bonding
- Power
Earthing of the shell, the racks, and the service entrance.
The interface is drawn. The design is bonded at the pad, and the detail follows the electrical code of the jurisdiction.
- Oversize load permitting
- Site
Road transport of a load beyond the standard width.
At 3100 mm the section is a permit load in most jurisdictions. Route survey precedes any order.
Energy
Nawa does not develop power.
The service exists before the configuration is chosen. Everything follows from that.
- Site Reference design
The service comes first
Nawa does not develop power. The configuration is selected against a service that already exists, or one a site owner has already queued. That is the whole siting method.
- Power Concept
Behind the meter is the common case
An industrial site holding more service than it draws can carry a yard without a new interconnection. The service agreement has to permit the added load, which is checked before anything is drawn.
- Power Concept
Generation stays with the site owner
Where a site runs its own generation, that plant, its fuel, and its emissions treatment are the site owner scope. Nawa connects to the service and does not own the source.
- Cooling Concept
Water is a site question
Yard 400 rejects heat to air through its own plant. Campus 7.5 follows a chilled-water design where the rejection method is selected against the ambient range and the water a site has. No water figure is published, because the answer depends on the site.
Security and controls
The model, as designed.
- Controls Reference design
Physical access
Every door carries access control, and each opening is logged. The units are a sealed steel envelope with no glazing. A site fence and the pad layout are the site owner scope.
- Controls Reference design
Detection independent of control
Fire detection and leak detection report on their own path, as does environmental monitoring. A fault in the control system does not blind the alarm.
- Network Concept
Network boundary
The controls network is separate from the compute fabric. Nothing in the building-management path shares a segment with a tenant workload.
- Controls Concept
Certification path
Certification follows a first deployment, and the standard is selected against what a customer and a jurisdiction require.
Operations
What the assembly reports.
There is no product here and no screenshot. The units present telemetry and metering, and an operator brings the software above that line.
- Controls Reference design
What the assembly reports
Power draw at the service and at the busbar, coolant supply and return temperatures, pump and chiller state, leak detection, door events, and suppression status.
- Power Reference design
Metering
Energy is metered at the service entrance and again at rack distribution, so the difference between what a site supplies and what the racks draw is visible.
- Compute Concept
Who touches the hardware
The units are designed for infrequent attendance. Service access is from the ends and the aisle, and a rack can be pulled without breaking the coolant loop.
- Controls Concept
Where the boundary sits
The assembly presents its telemetry and its metering. An operator brings the scheduler and the tenant layer above that line.
Next
Check the numbers.
The configuration pages carry every value with its source.