How is witness sampling conducted?

2023-09-07 10:27

Witness sampling is one of the supervisory management methods. Witness refers to the activity of on-site supervision by the supervising engineer on the completion of a certain process by the contracting unit. Witness sampling refers to the supervision activity of on-site sampling of materials, semi-finished products, and components related to structural safety used in engineering projects, as well as the inspection of the effectiveness of process activities.
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07

2023-09

What are the main testing items for building environment testing

Environmental testing mainly detects factors such as chemical pollutants and physical and biological pollution. Environmental detection and governance is a highly technical emerging industry that utilizes GIS technology to design environmental detection networks. The information collected from environmental detection can be stored and displayed in a timely manner through GIS, and detailed site monitoring and analysis can be conducted on the selected evaluation area.

07

2023-09

How to detect the quality of construction projects?

Construction project quality inspection refers to the inspection of construction materials, building components, equipment, and physical quality of the construction site, as well as the testing of structural safety and main usage functions of the construction project design, in accordance with relevant national laws, regulations, and standards, commissioned by the inspection agency in the activities of building construction, expansion, renovation, and municipal infrastructure engineering.

07

2023-09

What testing is required for building curtain walls?

Building curtain walls require physical performance testing (wind pressure resistance, air permeability, rainwater leakage, and plane deformation performance testing reports), which is generally referred to as the four properties testing of curtain walls, compatibility and adhesion testing reports of silicone structural adhesives and weather resistant sealants, and on-site tensile force testing reports of embedded parts.

07

2023-09

What tests are required for curtain walls

Before installation, conduct a comprehensive inspection of the building and promptly rectify or rework any non-conforming areas.

07

2023-09

What is the property inspection and appraisal

House inspection and appraisal is a comprehensive and detailed inspection and evaluation of a house to determine its overall condition and existing problems. House testing is usually carried out by professional house testing companies or experienced architects, engineers, and other professionals, with the aim of providing advice and opinions on the structure, safety, functionality, maintenance, and other aspects of the house to buyers or homeowners, in order to make corresponding decisions.

07

2023-09

Common types of safety appraisal for existing buildings

Most people do not have much understanding of housing safety appraisal, but in reality, housing appraisal reports are effective preventive measures for resolving housing transaction disputes. Therefore, while strengthening the management of building safety, it is also necessary to develop sound standards for building safety appraisal and testing to ensure the safety of residents' lives and property.

07

2023-09

What inspections are required for road engineering

Main material inspection, on-site inspection of roadbed soil compactness, roadbed inspection, pile foundation on-site inspection, roadbed and base deflection detection, pavement core inspection, sewage pipeline sealing water test, water supply fire and gas pipeline pressure test, etc. According to the specific construction project of the road, it is required to inspect the items required for quality assurance and acceptance.

07

2023-09

What is environmental testing? What is the main purpose of testing?

Environmental detection is atmospheric monitoring, which is the process of measuring the concentration of pollutants in the atmospheric environment, observing and analyzing their changes, and their impact on the environment. Atmospheric monitoring is the measurement of the types and concentrations of pollutants in the atmosphere, observing their spatiotemporal distribution and changes.

07

2023-09

What are the main tests for environmental testing

Environmental testing mainly detects the monitoring of industrial pollution sources, gradually developing into the monitoring of the overall environment, where the monitoring objects are not only pollution factors that affect environmental quality, but also monitoring of biological and ecological changes. Environmental monitoring refers to the use of modern technological means such as physics, chemistry, and biology to intermittently or continuously monitor and measure factors such as environmental chemical pollutants, physical and biological pollution, in order to make correct environmental quality evaluations.

07

2023-09

Congratulations on the website launch of Chongqing Ditaike Construction Engineering Testing Co., Ltd!

Congratulations on the website launch of Chongqing Ditaike Construction Engineering Testing Co., Ltd!