
In actual M&E construction, drawings and the actual conditions sometimes differ due to structural changes, adjustments to other systems, or on-site conditions that cannot be fully represented in the initial documentation.
In such cases, contractors should not attempt to modify the product before identifying the cause.
1. Identify the cause first.
It could originate from:
- Incorrect revision.
- The situation has changed.
- The drawings are not up-to-date.
- Incorrect production.
- Collision with another system.
2. Record the current situation
The information should include:
- Image.
- Location.
- Size.
- Altitude.
- Related drawings.
- Product code.
3. Classification of causes
| Situation | Solution |
| The drawing has changed. | Confirm the document |
| Other current situation | Measure again |
| Incorrect product | Check with the supplier. |
| MEP collision | Coordination among parties |
| Shortage of supplies | Place additional orders. |
4. When should I remeasure?

Re-measurement is especially necessary when:
- Tran has changed.
- Beams/structures are added.
- The cable tray route changes.
- The sprinkler line changes.
- The installation space is limited.
5. Sao Viet Air Ducting can be combined with other treatment methods.
According to the website, Sao Viet provides on-site measurement services. For complex locations, re-determining actual dimensions before additional fabrication can help reduce processing time.
Conclusion
When the ductwork is not suitable for the existing conditions, the most important thing is to... Identify the correct cause and handle it according to the approved plan..
Rapid coordination between contractors, designers, and Sao Viet Air Duct This will help reduce the waiting time for additional supplies.
Sao Viet Air Duct It has the capability to fabricate various types of air ducts, giving contractors more options when implementing HVAC systems.
SAO VIET AIR DUCT MANUFACTURING AND TRADING COMPANY LIMITED
- Address: 267 Le Thanh Tong, May Chai, Ngo Quyen, Hai Phong
- Hotline: 0815.999.826 – 0934.559.168
- E-mail: vietonggio@gmail.com



