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Seismic Certification Without Shake-Table Testing: What You Need To Know

Home / Archives for John Masek / Page 3

equipment seismic certification

Seismic certification is the crucial aspect of ensuring that non-structural equipment is capable of withstanding seismic events while maintaining functionality. Critical needs facilities, such as hospitals, data centers, emergency operations centers, police and fire stations, and more need to be able to provide services 24/7, especially in the event of an emergency. The equipment in these facilities must not only survive a seismic event, it must remain operational. 

Through obtaining seismic certification, manufacturers attest to the resilience of their products, building the confidence of building owners. While shake-table testing is the most commonly known method of equipment certification, one can also achieve seismic certification without shake-table testing. Here is a look into how this works. 

Types Of Seismic Certification Methods

Certification can be achieved through testing, analysis, experience data, or a combination of methods. 

Shake Table Testing

Shake table testing is the most commonly known method of seismic certification. This is a physical dynamic test where a structure (either a full-sized model or scaled down) is placed on a platform that moves on one or multiple axes. Shake tables simulate earthquake ground motions and the resulting motions of structures. Through placing equipment models on shake tables, engineers can determine if they can survive earthquakes. 

Experience Data And Analysis

Seismic analysis and seismic performance database methods certify equipment without the need for shake-table testing. This process is approved by multiple review authorities, such as the IBC, UFC, ASCE 7, and more to ensure equipment is up-to-code and will perform as needed.

Why Choose Seismic Certification Without Shake-Table Testing

While shake-table testing is a tried-and-true method of seismic certification, there are a few reasons why one may opt for seismic certification without shake-table testing. Some of which are as follows.

No Risk Of Breaking Equipment

With analysis and experience data methods, the engineers don’t really have to touch the equipment in order to do their job. This is an advantage to clients, as the whole process of shake-table testing can result in damage to custom, expensive equipment. As shake-table testing means having to ship the equipment to a testing facility, testing it, and then shipping it back to the client, this results in higher risk of equipment breakage. 

Quick Turnaround

Since there’s no shipping of equipment, analysis and experience data certification reports can be prepared in a matter of weeks, rather than the months to a year one would wait for shake-table testing. 

Cost-Effective

engineering estimate

Seismic certification without shake table testing is typically far more cost-effective. This is due to an overall decrease in necessary costs to achieve this type of certification. With no shipping, physical testing, and use of expensive facilities, seismic certification through analysis and experience data can save clients hundreds of thousands of dollars, while ensuring their equipment is up-to-code.

100% Success Rate

Every project that VIE has worked on through using analysis and experience data has been approved by the appropriate review authorities, be they government agencies, private sector, or anothers. 

Seismic Certification By Analysis And Experience Data In The United States

VIE Engineers is one of the few engineering firms in the United States that provides seismic certification via analysis methods rather than shake table testing. VIE has successfully performed seismic certifications for numerous classes of equipment, including electrical equipment, mechanical equipment, and instrumentation and controls. 

Our engineers have a 100% success rate in getting seismic certifications approved through the appropriate review authorities, such as from governmental agencies. Through our methods, we have saved our clients hundreds of thousands of dollars, while ensuring that equipment capacities are verified as being greater than the required minimum response spectrum. 

To learn more about our seismic certification without shake-table testing or any of the other seismic engineering services that we provide, please don’t hesitate to contact us today. 

Filed Under: seismic bracing

While using resources from other countries can be convenient, it’s important to support local economies and strengthen communities. When engineering firms make the effort to use US-sourced products, use local contractors, and support local infrastructure, they’re improving their community. 

Conversely, outsourcing work as much as possible can be a way to cut down on costs, but quality can suffer, the length of time a project can take extends, there isn’t as much job growth, and the local economy suffers.

Here, we will go into further detail about why it is important for engineering firms to support local economies.

The Impact Of Supporting Local Economies

local economies engineering firms

When engineering firms use products manufactured offshore and offshore workers for a project, the local economy suffers. Rather than the money spent staying local and being used to strengthen the local economy, it goes to other countries. By supporting manufacturers and workers within your country, engineering firms are able to help create a stronger community and directly contribute to economic growth. 

This economic growth is especially crucial in regards to manufacturing, as it is the main engine of innovation in the United States. Offshoring can result in job displacement and redirection of job growth. When engineering firms support USA-based manufacturing companies and subcontractors in the state they are doing work in, this creates more job opportunities for US residents. Manufacturing jobs spur new jobs in related industries, which helps to build and sustain the economy. 

Enhance Environmental Sustainability

Through using locally-sourced resources, the environment benefits through decreased transportation emissions. This reduces the environmental footprint of a project. Less transportation means less pollution, habitat loss, and congestion. Using locally-sourced materials and products produces less waste, eliminates unnecessary transportation, and thus, improves air quality and reduces air pollution. 

Ensure Standards Are Met

local economies engineering firms

By using local products and services, engineering firms can reduce project costs and ensure that standards are met, without so much frustration about what you’re looking for. The quality of locally-sourced manufactured products can often be better than outsourced products. Americans are best at engineering and designing products and systems that work for American needs. 

Keeping manufacturing in the US prevents offshore manufacturers from having too much leeway in the process, which can result in products not meeting the standards they’re supposed to. Supporting US-based companies not only improves the economy, but helps with quality control.

Save Time

There is a lot of fine-tuning and adjustments involved in engineering, and trying to communicate ideas with people on the other side of the world can be time-consuming. US-based companies understand American regulations and the time-zone differences across the country are less significant, making it significantly more time- and cost-effective to work with US-based companies. 

VIE Supports Utah With Our Work

VIE Engineers strives to support US workers in each aspect of what we do when possible. From using US-sourced manufactured bracing products to using local subcontractors when needed, we care about supporting our country and state. All engineering is done locally in Utah by Utah-licensed engineers, who have been incorporated in Utah for 18+ years. 

Supporting Local Economies: How Engineering Firms Can Make A Difference

We support the infrastructure in Utah with the government projects we have completed and other projects, as with non-structural seismic bracing design for the Salt Lake City International Airport, the Utah North Capitol Building, the University of Utah, Utah State University, Utah Valley University, and much, much more. We work with Connectors For Construction in order to provide turnkey solutions to your seismic bracing needs. 

To learn more about the projects we have completed in Utah or how we support USA workers in our engineering services, please don’t hesitate to contact us today. 

Filed Under: seismic bracing

hud seismic assessment

HUD housing is for fixed-income, low-income, and disadvantaged people that have trouble getting other housing. VIE therefore takes its job seriously and carefully evaluates seismic risk to these buildings and develops recommendations to improve the seismic safety of these buildings without disrupting the occupancy, as these are usually fully occupied with a long waiting list to get in.

HUD housing is important to people that need it. When we review it, we find ways to ensure that it’s safe. When things need to be improved, we find a way to do this in the best way possible for all parties involved. 

How Seismic Activity Disproportionately Affects Disadvantaged Communities

Natural disasters have wide-ranging costs beyond property damage, such as negative impacts to social, physical, and economic well being, particularly for disadvantaged communities. 

Federally assisted housing accounts for about 10% of rental housing in the United States. Previous natural disasters, such as Hurricane Katrina, suggest that those living in federally assisted housing are less likely to return to their pre-disaster home than individuals who are homeowners or market-rate renters. Research suggests that rental housing can suffer greater impacts from natural disasters than owner-occupied housing, particularly multifamily and duplex structures. 

hud housing seismic safety

While federal assistance programs are in place to aid in the aftermath of large-scale disasters, vulnerable populations often don’t qualify for disaster loans, HUD funding can take years to reach those who need it, and more. Those with lower incomes may be pushed into homelessness or debt and financial insecurity, and are thus at significant risk of permanent displacement and financial hardship.

This results in disparate recovery rates for the neediest households. Challenges begin before disaster even strikes, with a lack of education on resources available, receiving adequate support, and whether or not housing is up-to-code for current seismic standards. As such, it is imperative that these communities be given as much assistance as possible – which includes housing that is up to current seismic code. 

Improving Seismic Safety Of HUD Housing

Natural hazards pose a significant threat to HUD housing. More than 30% of federally assisted housing units are at relatively high risk from natural disasters across the country. Built environments need the ability to withstand the impacts of earthquakes and natural hazards in order to mitigate loss of life and property and negative effects to the economy. 

Governments from federal to state levels play critical roles in disaster recovery and protecting communities against future losses. Seismic risk assessments and seismic retrofits to meet building codes are one such way to support community resilience. Seismically resilient housing helps to mitigate the disruption from natural disasters as much as possible.

seismic safety for airports

Seismic risk assessments are used in order to understand and manage seismic risks, such as site and building stability and damageability of building contents. Retrofitting when necessary, such as by reinforcing walls and supports, mitigates damage from ground movement, thus enhancing protection for those who live in these structures. 

Seismic risk assessments can take different forms according to client needs. Depending on the risks, some assessments may require more detailed studies than others. Financing can be a challenge in advancing seismic retrofits, but hazard mitigation grants, as from FEMA, incentivize property owners to take appropriate action. 

Keeping People Safer With Seismic Risk Assessments From VIE

As those who use HUD housing are disadvantaged, it is especially important to ensure that seismic reviews can be completed with minimal disruption to the occupants. Those in federally-assisted housing are some of the most vulnerable people with the fewest resources, with the least ability to prepare for disaster and recovery. Improving seismic safety is crucial for all in seismically hazardous areas, as HUD housing often is.

VIE is mindful of client needs. VIE has performed seismic assessment reports and probable maximum loss studies for hundreds of buildings in the Western United States. The experienced engineers at VIE use customized assessment methods for evaluations that conform to HUD requirements and project-specific criteria. 

To learn more about what VIE Engineers can do for you or about any of our previous projects, contact us today. We take pride in making structures safer for all types of clients, from those involved in HUD housing to government entities, financial institutions, and more.

Filed Under: seismic bracing, seismic assessments

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