Quality Management System

Sweating on HVAC system during operation

Sweating on HVAC system during operation

28/09/2020
Most projects have dew condensation in HVAC systems. The problem of inlet dew occurs in the slit air inlets and in the air inlets installed in common spaces. How to fix ...
Why is Ventilation so Important for Buildings?

Why is Ventilation so Important for Buildings?

19/08/2020
Ventilation is the essential process of replacing stale air with fresh air. Without proper ventilation, buildings become susceptible to stagnant air, where bacteria and carbon make the indoor air more polluted ...
5S methodology was implemented at Mikazuki Spa & Hotel Resort Danang project

5S methodology was implemented at Mikazuki Spa & Hotel Resort Danang project

10/12/2019
5S is known as the foundation for implementing quality assurance systems from the point of view: If working in a healthy, clean, airy and convenient environment, the sentiment will be more ...
Advantages of Automatic balance valve in the Chiller system

Advantages of Automatic balance valve in the Chiller system

03/10/2019
As one of the systems that are widely applied in many areas of daily life, the Chiller central air-conditioning system plays the role of producing cold water, providing cold water for ...
Some notes in the desgin of the domestic hot water system

Some notes in the desgin of the domestic hot water system

19/09/2019
Currently, Sigma is executing many Grade A projects such as Marriott Da Nang, Mikazuki, Flamingo Cat Ba ... with the appearance of the domestic  hot water system. However, many hot water ...
Sigma maintaining the quality assurance work at the project

Sigma maintaining the quality assurance work at the project

03/09/2019
Quality assurance at the project is a process throughout, from the beginning to the end of the project. The quality assurance process must be maintained continuously and throughout all stages of ...
Sigma and the role of Building Information Modelling (BIM) in an Engineering Industry

Sigma and the role of Building Information Modelling (BIM) in an Engineering Industry

31/05/2019
As one of the processes involved in the creation and management of digital features, the Building Information Modelling – BIM (BIM) is set up based on digital 3D models, used throughout ...
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