STAHL 5 t Single Girder Crane for a GIS Substation Room, Mixed-Use Project in Bangkok
For an energy technology company, ALLA installed a STAHL 5 t single girder crane in the enclosed gas-insulated switchgear (GIS) room of a mixed-use project in Bangkok, where a mobile crane could not be used.

Project Specifications
| Brand | STAHL |
|---|---|
| Crane type | Single girder overhead crane |
| Capacity | 5 t |
| Span | 7.6 m |
| Lifting height | approx. 5 m |
| Runway | 6.3 m |
| Foundation | J-bolts and base plates designed and installed by ALLA |
| Location | GIS (gas-insulated switchgear) building |
| Certification | Por.Jor.1 (ปจ.1) certificate as required by Thai law |
| Project period | Apr – May 2024 |
Project Highlights
- Installed in an enclosed room where no mobile crane could be used
- Crane for installing and maintaining switchgear
- J-bolt and base plate supports designed by ALLA
What did the customer need?
An energy technology company needed an overhead crane to install and maintain equipment in the GIS room of a mixed-use project in Bang Rak, Bangkok:
- Crane of 5 t with about 5 m lifting height
- Design and install J-bolt and base plate supports
- Installation in an enclosed area where a mobile crane cannot be used
- Installation with Por.Jor.1 (ปจ.1) certification as required by law
How did ALLA deliver it?
ALLA’s structural engineering team, experienced in overhead cranes, designed the crane, and its installers delivered it safely and on schedule.



