Page 119 - Security Today, April 2018
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Individual portable bollards provide vehicle barricades in applications such as heavily traveled narrow walkways and roadways or any area that a vehicle can get through. They can also be used as substitutes until perma- nent bollard systems get installed and can be placed on any stable surface such as concrete, asphalt, compacted soil or vegetation to quickly protect people and property against aggravated automobile or truck assault.
Up to five TB100 portable bollards can be linked together with a cable system and be placed on a road’s surface to create immediate protection. No other installation procedures, excavations or sub-surface preparations are required. Certified testing demonstrates that a portable bollard system will stop and disable a 15,000 pound vehicle traveling at 30 miles per hour, resulting in an ASTM M30, P3 rat- ing. A single TB100 bollard absorbs 400,000 foot pounds of kinetic energy.
Temporary bollards can be used to close off streets, entrances or wide expanses such as access to pedestrian areas or even airport runways. They can be installed in conjunc- tion with portable barricade to fill in any gaps to protect people and critical infrastruc- tures at public events such as parades, festi- vals, sporting weekends and any place that vehicles could attack transitory events. The combination of the portable barriers with the new portable bollards provides fast con- trolled vehicle access without the time and labor of installation.
PROCUREMENT OFTEN SIMPLIFIED
From a purchasing standpoint, it can be easier to buy portable barriers than permanent bar- riers. The latter are oftentimes placed into an organization’s real assets budget because they are permanently installed into the ground, becoming part of the property. Such budgets can often create complex purchasing scenari- os for an agency. However, purchasing porta- ble barriers is no different than buying pro- tective vests for personnel or new sets of wrenches for the maintenance department.
FIXED, MOVEABLE BOLLARDS -
THE MOST USED PERMANENT SOLUTIONS USED ON CAMPUSES Bollards, some moveable that go up and down to let vehicles through and others fixed or sta- tionary, are aesthetically pleasing and let pedes- trians move between them in non-roadway applications. Bollard systems operate individu- ally or in groups of up to ten. They are used for intermediate level security applications. Indi- vidual bollards are up to 12.75 inches in diam- eter, up to 35 inches high and are usually mounted on three to five foot centers. They are
tested to stop and destroy an attacking vehicle weighing 10,000 pounds moving at 65 miles per hour or a 20,000-pound vehicle moving at 46 miles per hour. Kept in the “up” position to stop traffic, moveable bollards lower to allow vehicles through.
Ranging from faceted, fluted, tapered, rings and ripples, colors, pillars, to shields, emblems and logos, bollards look nice and are versatile. You can specify ornamental steel trim attached directly to the bollard, or select cast aluminum sleeves, which slip right over the crash tube. Bollards can be galvanized for corrosion resis- tance, fitted with an internal warning light for increased visibility and engineered to suit high traffic volume. If damaged, simply slip off the old and slip on the new.
UCLA uses decorative bollards throughout the campus to restrict vehicle access to student housing areas and other locations which require authorized access on a somewhat fre- quent basis. Some of the areas block access to dumpsters and roads that demand pedestrian access only, such as when classes are in session.
Decorative bollards also protect the George H.W. Bush Presidential Library and Museum, located on a ninety-acre site on the West Campus of Texas A&M University. These bol- lards are designed to protect facilities from those not authorized to enter or others from driving errant vehicles into pedestrian areas.
Fixed post bollards are available to secure the sides of roadways with the same crash rat- ing and appearance as their moveable cous- ins. While cement barriers, such as posts and pots, are available many campuses prefer fixed post bollards for several reasons. First of all, when hit, cement posts and pots can explode, literally spreading shrapnel through- out the crowd, potentially creating numerous injuries. Shallow foundation bollards can be
installed within sidewalks or on top of con- crete deck truss bridges as well as conform to the inclines and turns of a locale. They also meet the one-meter clearance regulations mandated by the Americans with Disabilities Act (ADA).
The fixed bollard, which does not go up and down, provides a significant blocking device solution that continues to challenge security directors faced with threats such as stopping a vehicle from plowing into the hospital’s pharmacy to keeping vehicles on the other side of the campus perimeter. They let facility manager meet a long-stand- ing challenge—how to easily install bollards on shallow substrates, including those that are not level or have turns. No longer do locations, such as curves on hills, the upper levels of parking structures and other unprotected locales have to use unsightly ‘make-do’ solutions to stop car bombers or wayward drivers.
NO APPLICATION TOO
LARGE OR SMALL
Protecting campuses from vehicle attack is no small responsibility; it’s becoming mandatory. Knowing that you’ve got the right equipment in place to secure the campus from vehicle threat and prevent what is becoming all too common human tragedy brings a peace of mind that no amount of money can buy. Carefully research- ing available options and consulting with experts will ultimately lead to the right solution in helping you protect your
campus from vehicle-based
terrorism.
Greg Hamm is the vice president of sales and mar- keting at Delta Scientific.
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