Five Types of Structural Systems in High Rise Buildings
November 02, 2020 —
Chris Jackson - Construction ExecutiveToday, many cities in different countries have high-rise buildings or more popularly known as skyscrapers. The concept of skyscraper was first used to define the more than 137-foot-high buildings constructed in Chicago in 1885. It is generally defined as one that is taller than the maximum height that requires mechanical vertical transportation for people. Usually, these buildings only have limited uses and are primarily focused on functioning as residential apartments, hotels and office buildings, though they occasionally include retail and educational facilities. Because high-rise buildings are among the largest buildings built, it is necessary that their commercial and office functions require a high degree of flexibility.
That’s why it is important for high-rise buildings to have structural systems or structural frames—the assembly of interrelated or interdependent elements that forms a complex structure. These structural systems are built and designed for resisting different loads. To further understand how structural systems work, take the human body as a comparison. If human bones are weak and not properly aligned, the human body as a whole will not be able to perform or work well. Structural systems, in the same way, would not be able to take loads if not built properly. After all, no one wants a toppling skyscraper. To give the readers more information about structural systems in high-rise buildings, this article will discuss some of them.
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Chris Jackson, Construction Executive, a publication of Associated Builders and Contractors. All rights reserved.
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Manhattan to Get Tall, Skinny Tower
October 21, 2013 —
CDJ STAFFAt its narrowest, it’s going to be only sixty feet wide. And that will run 1,350 feet into the air. A new apartment tower is going up in New York, and one of its amenities will be that residents in the top floors will be able to look down on the Empire State Building. “It may be the skinniest building ever,” said Gregg Pasquarelli, the principal of SHoP Architects, the firm that designed the building. He estimates its ratio of height to width as “something like 25-to-1.”
For all its height, the building will be divided into about 100 units. As part of the development deal, the tower will incorporate and preserve the landmark Steinway Hall. The chair of the Landmarks Preservation Commission, Robert Tierney, described it as “the best of both worlds of new construction and design and historic preservation.”
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A Court-Side Seat: Coal-Fired Limitations, the Search for a Venue Climate Change and New Agency Rules that May or May Not Stick Around
February 15, 2021 —
Anthony B. Cavender - Gravel2GavelThis is a brief review of recent significant environmental and administrative law rulings and developments. With the change in presidential administrations, the fate of at least some of the newly promulgated rules is uncertain.
THE U.S. SUPREME COURT
BP PLC v. City and County of Baltimore
On January 19, 2021, the Court heard oral argument in BP PLC v. City and County of Baltimore. The respondents filed a Greenhous Gas Climate Change lawsuit in state court, alleging that BP, like other energy companies, is liable for significant damage caused by the sale and promotion of petroleum products while knowing that the use of these products and the resulting release of greenhouse gases damages the environment and public property. Several similar lawsuits have been filed in state courts, pleading common law violations as well as trespass and nuisance law violations The energy companies have tried, unsuccessfully to date, to remove these cases to federal court. The petitioners argue that the federal removal statutes allow the federal courts of appeal to review the lower court’s remand, thus opening the possibility that some of the issues presented in these cases can be tried in federal court, presumably a friendlier forum. A decision on this procedural issue should be rendered in a few months. Read the court decision
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Reprinted courtesy of Anthony B. Cavender, Pillsbury
Mr. Cavender may be contacted at anthony.cavender@pillsburylaw.com
Modern Tools Are Key to Future-Proofing the Construction Industry
September 19, 2022 — Guillaume Le Gouic - Construction Executive
The U.S. construction industry is facing a tech revolution that’s upending the roles of skilled workers. Many traditional contractors are struggling to embrace the new technologies customers increasingly demand, while the industry struggles to attract young professionals. According to the latest American Community Survey data, the median age of a construction worker is 41.
This is particularly concerning given the confluence of two trends: the construction industry is facing a critical workforce shortage that’s only expected to intensify, and the workforce is aging—NCCER is predicting around 40% are expected to retire by 2031. Industry leaders must prioritize using the latest industry solutions and innovations to modernize construction work, transform the construction industry and appeal to the next generation of contractors.
Throughout COVID-19, the construction sector experienced a higher number of workers quitting jobs as opposed to being laid off, indicating the older workforce likely took the opportunity to retire early, along with more than three million other Americans who did the same. Currently, industry leaders are not doing enough to communicate opportunities to help shift the career perception of electrical contractors from simply being “blue collar” and un-exciting. A 2019 National Association of Home Builders (NAHB) found only 3% of people ages 18 to 25 were interested in pursuing a construction career, with most respondents noting the desire for a less physically demanding job.
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Virginia Civil Engineers Give the State's Infrastructure a "C" Grade
December 13, 2022 — American Society of Civil Engineers (ASCE)
VIRGINIA BEACH, Va. — The Virginia Section of the American Society of Civil Engineers (ASCE) released the 2022 Report Card for Virginia's Infrastructure today, with 11 categories of infrastructure receiving an overall grade of a 'C'. That means Virginia's infrastructure is in mediocre condition and requires attention. Virginia is a step ahead of the national average of 'C-' given in the 2021 Report Card for America's Infrastructure. Nine of the 11 categories ranked higher than the national grades, as only rail ('C-' compared to the national 'B' grade) and wastewater (tied with the national grade of 'D+') ranked the same or lower, a testament to the state's prioritization of its built environment. Virginia has implemented ambitious plans to improve each of its infrastructure systems and additional resources from the state level and the bipartisan infrastructure law will help these efforts. Civil engineers graded bridges (B), dams (C+), drinking water (C+), public parks (C), rail (C-), roads (C-), schools (C-), solid waste (B-), stormwater (C-), transit (C-), and wastewater (D+).
Virginia's transportation sector has performed better than the national average. Roughly 3% of the state's bridges are in poor condition – less than half the national average of 7.5% -- and the percentage of roads in 'good' condition rose from 48% in 2018 to 51% in 2022. Virginia is also a regional leader in transit services with connection to the Washington, D.C. Metro system and with 41 transit systems across the state, some of which have already surpassed pre-pandemic ridership levels. However, wastewater systems, despite making progress by reducing sewage overflows, face more than $6 billion in needs over 20 years and will need significantly more resources to improve systems and protect water quality for communities and the natural environment.
The Report Card was created as a public service to citizens and policymakers to inform them of the infrastructure needs in their state. Civil engineers used their expertise and school report card-style letter grades to condense complicated data into an easy-to-understand analysis of Virginia's infrastructure network. ASCE State and Regional Infrastructure Report Cards are modeled after the national Infrastructure Report Card, which gave America's infrastructure an overall grade of 'C-' in 2021.
To view the report card and all five categories, visit https://infrastructurereportcard.org/state-item/Virginia/.
ABOUT THE AMERICAN SOCIETY OF CIVIL ENGINEERS
Founded in 1852, the American Society of Civil Engineers represents more than 150,000 civil engineers worldwide and is America's oldest national engineering society. ASCE works to raise awareness of the need to maintain and modernize the nation's infrastructure using sustainable and resilient practices, advocates for increasing and optimizing investment in infrastructure, and improve engineering knowledge and competency. For more information, visit www.asce.org or www.infrastructurereportcard.org and follow us on Twitter, @ASCETweets and @ASCEGovRel.
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The Real Estate Crisis in North Dakota's Man Camps
October 02, 2015 — Jennifer Oldham – Bloomberg
Chain saws and staple guns echo across a $40 million residential complex under construction in Williston, North Dakota, a few miles from almost-empty camps once filled with oil workers.
After struggling to house thousands of migrant roughnecks during the boom, the state faces a new real-estate crisis: The frenzied drilling that made it No. 1 in personal-income growth and job creation for five consecutive years hasn’t lasted long enough to support the oil-fueled building explosion.
Civic leaders and developers say many new units were already in the pipeline, and they anticipate another influx of workers when oil prices rise again. But for now, hundreds of dwellings approved during the heady days are rising, skeletons of wood and cement surrounded by rolling grasslands, with too few residents who can afford them.
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Can Your Employee File a Personal Injury Claim if They’re Injured at Work?
March 14, 2022 — Louis Patino - Construction Executive
Construction accidents can happen to anyone. It’s common for employees to work at height, with machinery or alongside any number of potential hazards, so it’s no surprise that injury rates in construction are 71% higher compared to other industries.
Anything from a ladder manufacturing defect to an unguarded ledge or wet surface can increase the likelihood of a fall, but those aren’t the only dangers. If scaffolding collapses due to an excessive load or improper construction, it can prove fatal.
Then, there are struck-by hazards—one of the Occupational Safety and Health Administration’s (OSHA) “Fatal Four”—including falling, swinging and rolling objects; crane misuse; electrical faults; and issues with personal protective equipment. These are all hazards construction workers have to contend with daily.
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Utah Supreme Court Allows Citizens to Block Real Estate Development Project by Voter Referendum
June 10, 2019 — Sean M. Mosman & Mark O. Morris - Snell & Wilmer Under Construction
The Utah Supreme Court recently decided Baker v. Carlson, 2018 UT 59, which considered a developer’s ongoing effort to build a mixed-use, part-residential and part-commercial development on the site of the long-defunct Cottonwood Mall located in Holladay, Utah. On November 28, 2018, the Supreme Court affirmed the Third District Court’s ruling that a voter referendum to block the development was valid. This ruling calls into question the certainty of investment-backed real estate decisions in Utah and thus could carry negative implications for the Utah construction and real estate development communities.
The Cottonwood Mall opened in the early 1960s, and for several decades was a popular regional shopping destination. But the mall fell on financial hard times in the mid-1990s, and since 2007 the 57-acre lot has sat vacant. Around that time, the owner of the lot made plans to redevelop it, and asked Holladay City to rezone the site to permit mixed uses. In response, the City rezoned the lot as Regional/Mixed-Use (R/M-U). The City also created a process to control the development of an R/M-U zone, requiring prospective builders to first submit a site development master plan—which sets forth guidelines for the overall development and design of the site—to the City for approval. After the City approves a master plan, the developer must enter into a development agreement with the City, giving the developer certain rights and addressing other development-related issues.
Reprinted courtesy of Sean M. Mosman, Snell & Wilmer and Mark O. Morris, Snell & Wilmer
Mr. Mosman may be contacted at smosman@swlaw.com
Mr. Morris may be contacted at mmorris@swlaw.com
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