1. Foundation and main structure of the house showing signs of significant sinking, cracking, deformation, or corrosion.
2. Houses that need to be used beyond the designed service life.
3. Damage to the main structure of the building caused by natural disasters or accidents such as explosions and fires.
4. Requires modification of the building's main structure or load-bearing elements, alteration of the building's usage function, or significantly increased load on the building.
5. Other situations that may pose a risk to house safety and require inspection.
When issues arise with the property, it's essential to promptly hire a dedicated home inspection company to investigate the structural safety and address repairs accordingly, to avoid any impact on the property's usability or residential safety.

01 Basic Inspection
(1) Ad Sign Steel Pole Surface Paint Peeling and Rusting Condition
(2) Anchor bolt nut for column base, nut tightening with anchor rod等情况
(3) Billboard truss components paint peeling and rust conditions, billboard axis grid dimensions, steel column wall thickness, etc.
02 Material Inspection
(1) Concrete column strength testing and steel structure performance testing.
(2) The strength of concrete columns can be tested using the rebound method to determine if they meet the requirements of the "Outdoor Advertising Facilities Inspection Specification."
(3) Structural steel performance testing includes strength, corrosion resistance, joint connections, tensile strength, etc.
(4) If the tensile strength does not meet the requirements, additional sampling for tensile testing should be conducted. The supplementary test should categorize steel of the same specification from similar components into a batch, with 3 samples taken per batch.
03 Connection Quality and Performance Testing
Welded joints, rivet joints, bolted connections, and high-strength bolted connections, etc.
(2) For first and second-class welds that require full penetration welding and for steel sections where no specific design requirements are given, the quality of the strong butt welds can be inspected using ultrasonic testing methods.
04 Billboard Tilt Detection
Utilize a total station, in accordance with the relevant regulations of the point placement method in deformation measurement, to measure the offset value of the steel pole* relative to the base of the billboard.
05 Billboard Power Characteristics
Perform power tests on billboards to obtain vibration frequencies, amplitudes, etc., and analyze the dynamic characteristics between the billboard and surrounding buildings.
06 Billboard Structure Load Test

Design changes, construction records, construction acceptance, and engineering geological survey reports, along with other information. 2. Investigations are conducted to detect or repair and reinforce, and to assess the impact of load changes when in use, especially when detecting for steel and other environmental conditions. 3. 4. Personnel involved in the investigation are focused on conducting indoor testing and delegating specific requirements and targeted testing to the house inspection center.
A tripartite research institution specializing in bridge inspections, quality monitoring of engineering projects, and environmental analysis testing. Our platform's enterprise has an accredited inspection method and management organization, with a team of experts, state-of-the-art testing systems and equipment, and cutting-edge IT technology. We provide social science decision-making theories, technical expertise, and problem-solving solutions for institutions, designers, and construction entities. Over the years, through our technical service work, we have developed the "Building Inspection" industry, represented by services such as building safety inspections, seismic resistance inspections, facade inspections, and curtain wall inspections. Additionally, we have established the "Bridge Inspection" industry, which includes services like bridge static and dynamic load tests, bridge health status monitoring, cable tension testing, and inspection effect estimation.
Factory bearing capacity testing
The "Engineering Monitoring" industry, represented by foundation pit monitoring, settlement observation, stress testing, and vibration testing, and the "Environmental Testing" industry, represented by air testing, public health testing, soil testing, and noise testing, mutually promote and support each other. While extending the industrial chain, they also provide customers with one-stop convenient services. A good steel structure factory inspection points out that it is necessary to review the factory's structural load-bearing method before conducting the factory's load-bearing inspection.