Lightning Alley is not just a catchy name for a street or the local bowling lanes. It's the name dubbed to a notorious region in central Florida that is in the heart of the most lightning-prone area in the entire country. And that lightning strike may come at the most inopportune time.
Not only can this force of nature cause bodily injury and severe damage to property, it also has the power to disrupt or destroy a police department's 9-1-1 communications system, which is intended to assist residents during an emergency. That's exactly what happened in the middle of one Florida storm.
When a Walmart in the city of Bushnell was relocated, the facility was donated to the county for their use. The Sumter County Sheriff's Department decided to open its new offices in this building, including housing its emergency communications there.
One serious problem was that the electrical system was built for a 1970's vintage department store, not a critical communications and public safety facility. During one lightning storm in particular, the 9-1-1 system failed, leaving county residents without police, fire or ambulance response.
Inspection of the existing electrical system showed that it was badly flawed, mainly due to improper connectors and poor bonding and grounding. The communications tower, for example, had its own independent and inadequate grounding. The emergency generators and building structure were all independently grounded, each with its own ground rod, exposing its poor design. The main grounding electrode consisted of a single galvanized steel rod from the 1970s, with very high resistance to earth.
A new system was designed and installed for under $40,000, a minimal cost considering the value of the equipment protected, and improved public safety it brought to the residents of Sumter County.
"To be effective, the entire grounding system needs to be properly designed, using listed connectors and corrosion resistant materials," said Dave Brender, National Program Manager for the Copper Development Association, CDA. "Lightning protection systems in particular must be well-grounded to work properly, and could make matters worse if they are not. Copper and its alloys are the most common materials in use for this application because they provide superior corrosion resistance and avoid oxidation problems at connections.
Copper is also easy to install and durable," Brender added.
Central Florida is not the only region in the U.S. affected by severe weather. Similar 9-1-1 and broadcast facilities are employed in areas all over the country where communications is critical and the chances for lightning strikes are quite high. Having proper copper-based grounding and bonding should be a top priority where an entire system can get crippled by lightning.
Related Stories
Plumbing | Mar 18, 2024
EPA to revise criteria for WaterSense faucets and faucet accessories
The U.S. Environmental Protection Agency (EPA) plans to revise its criteria for faucets and faucet accessories to earn the WaterSense label. The specification launched in 2007; since then, most faucets now sold in the U.S. meet or exceed the current WaterSense maximum flow rate of 1.5 gallons per minute (gpm).
MFPRO+ New Projects | Mar 18, 2024
Luxury apartments in New York restore and renovate a century-old residential building
COOKFOX Architects has completed a luxury apartment building at 378 West End Avenue in New York City. The project restored and renovated the original residence built in 1915, while extending a new structure east on West 78th Street.
Construction Costs | Mar 15, 2024
Retail center construction costs for 2024
Data from Gordian shows the most recent costs per square foot for restaurants, social clubs, one-story department stores, retail stores and movie theaters in select cities.
Healthcare Facilities | Mar 15, 2024
First comprehensive cancer hospital in Dubai to host specialized multidisciplinary care
Stantec was selected to lead the design team for the Hamdan Bin Rashid Cancer Hospital, Dubai’s first integrated, comprehensive cancer hospital. Named in honor of the late Sheikh Hamdan Bin Rashid Al Maktoum, the hospital is scheduled to open to patients in 2026.
Codes and Standards | Mar 15, 2024
Technical brief addresses the impact of construction-generated moisture on commercial roofing systems
A new technical brief from SPRI, the trade association representing the manufacturers of single-ply roofing systems and related component materials, addresses construction-generated moisture and its impact on commercial roofing systems.
Sports and Recreational Facilities | Mar 14, 2024
First-of-its-kind sports and rehabilitation clinic combines training gym and healing spa
Parker Performance Institute in Frisco, Texas, is billed as a first-of-its-kind sports and rehabilitation clinic where students, specialized clinicians, and chiropractic professionals apply neuroscience to physical rehabilitation.
Market Data | Mar 14, 2024
Download BD+C's March 2024 Market Intelligence Report
U.S. construction spending on buildings-related work rose 1.4% in January, but project teams continue to face headwinds related to inflation, interest rates, and supply chain issues, according to Building Design+Construction's March 2024 Market Intelligence Report (free PDF download).
Apartments | Mar 13, 2024
A landscaped canyon runs through this luxury apartment development in Denver
Set to open in April, One River North is a 16-story, 187-unit luxury apartment building with private, open-air terraces located in Denver’s RiNo arts district. Biophilic design plays a central role throughout the building, allowing residents to connect with nature and providing a distinctive living experience.
Sustainability | Mar 13, 2024
Trends to watch shaping the future of ESG
Gensler’s Climate Action & Sustainability Services Leaders Anthony Brower, Juliette Morgan, and Kirsten Ritchie discuss trends shaping the future of environmental, social, and governance (ESG).
Affordable Housing | Mar 12, 2024
An all-electric affordable housing project in Southern California offers 48 apartments plus community spaces
In Santa Monica, Calif., Brunson Terrace is an all-electric, 100% affordable housing project that’s over eight times more energy efficient than similar buildings, according to architect Brooks + Scarpa. Located across the street from Santa Monica College, the net zero building has been certified LEED Platinum.