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Confined space rescue operations rely heavily upon the capabilities of the high/low angle rope rescue team, but also require additional specialized equipment to operate in tight spaces or shafts. There are many possible scenarios that necessitate our team to have confined space rescue capabilities. One likely confined space situation in our region could involve a farmer, who after harvesting corn enters the silo to level off the silage, and is subsequently overcome by silo gas. A confined space entry team would need to enter the silo with breathing apparatus, safely package the victim to be hoisted out of the silo, and lower the victim to the ground. This type of rescue can be extremely dangerous for rescuers and victims alike, and requires a great deal of knowledge, training, and practice to conduct safely.Abandoned mines throughout the region also pose significant challenges for local emergency responders. In the early to mid 1800’s, settlers flocked to southwestern Wisconsin, and Grant County in particular, to “make it rich quick” in the lead mining industry. There are hundreds of abandoned mines sitting vacant beneath farm fields, and even bordering on cities. Montfort and Platteville both have mine tunnels and shafts that occasionally collapse, dragging parts of homes, city parks, and animals beneath the surface. To add to this hazard, the mines have been known to fill with rainwater, creating underground cavities of water that occasionally open to the surface. A large number of air shafts also still exist in these highly mined areas. Many of these openings are exposed, obscured only by weeds and brush, and accessible to curious children. Public works projects, construction projects, industry and manufacturing also lend a multitude of scenarios where our team could be needed. Just as importantly, confined space and rope rescue training serves as an important foundation for advanced level rescue training. Water rescue, trench rescue, and structural collapse rescue all rely on a solid knowledge of rigging and confined space operations.
Trench Rescue
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Emergency Responders must quickly set up bracing materials such as lumber, screw jacks, and hydraulic struts to properly stabilize trenches before entering. |
Workers enter trenches on a daily basis, constructing and maintaining municipal sewer and water systems, telecommunications lines, power, cable, and gas. Many workers disregard safety regulations calling for proper shoring and support structures to be in place when they are working in the trench. Others may incorrectly install safety shoring, leaving it vulnerable to collapse. A single cubic foot of dirt can weigh as much as 145 pounds, and a typical small cave-in involves about 1.5 cubic yards of dirt, or approximately 4,000 pounds. The extreme forces involved in trench shoring make it a very dangerous and delicate process.
In December of 2001, emergency responders were called to a collapse site in the Village of Bagley, where a construction worker installing a residential sewer line was buried up to his chest when a portion of a trench wall caved in. Since there is no trench rescue capability in our area, emergency responders had no choice but to enter the unstable trench, at great risk to themselves. Luckily, no emergency responders were injured, and the victim survived his injuries as well. History tells us that 65% of all deaths from trench cave-ins are of would-be rescuers, underscoring the need for specialized equipment and training in this discipline.
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In February 2003, the roof of a Toys “R” Us in Lanham Maryland collapsed due to a heavy snow load followed by rain. This is a very possible scenario in Grant County, which would require specialized resources and training to make a structure safe enough to enter to search for survivors or to free trapped persons from the rubble. |
Also of interest is the New Madrid Fault, which is centered in northern Missouri and continues to be active today. Although quakes felt in this part of Wisconsin in the last 100 years have been only minor tremors, in the early 1800’s, a series of much stronger earthquakes took place along this system. With the occurrence of a larger earthquake, the potential exists for significant tremors to reach to southern Wisconsin. Since buildings in this region are not constructed to withstand earthquakes, there is a possibility that some structures may not endure even moderate tremors.
With facilities such as UW-Platteville, the many commercial shopping centers throughout both counties, the large industrial facilities along the Mississippi River, and the aging downtown buildings in many of our communities, having a team with collapse rescue capability makes sense.
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The hilly terrain in Southwestern Wisconsin makes us highly susceptible to flash flooding, as illustrated by this picture of downtown Glen Haven during the 1993 Flash Flood. Performing a rescue in such an environment can be extremely dangerous, and having proper equipment on hand is a must! |
Water rescue and drowning calls are growing increasingly common in this area, and the formation of such a team has been long overdue. There have been ten lives lost in drowning accidents in Crawford and Grant counties since 1999, most of which have occurred on the Wisconsin and Mississippi Rivers.
The hilly terrain of this region makes it very susceptible to flooding. Grant and Crawford counties both received presidential disaster declarations in 2000 and 2001 for riverine flooding and flash flooding, both of which can present highly dangerous rescue scenarios for emergency responders. Another flash flood in summer of 2002 ripped through the Cassville area, killing livestock, floating cars away, severely damaging houses, and trapping residents in their homes until they could be evacuated by boat.
One particular area of concern is the Kickapoo River Valley in the area of Soldiers Grove, Gays Mills and Steuben, which experiences flash flooding and dangerously swift currents regularly. Another flash flooding concern is the entire downtown area of Glen Haven, where in 1993, six cars were swept off of Main Street and into the Mississippi River (one of which still has not been found). Beetown, Blue River, Paris, and a handful of other Grant County townships all have areas that are prone to dangerous flash flooding.
The Mississippi River also presents a formidable challenge to emergency responders, especially when operating near any of the locks & dams (which in the team’s primary response area includes Lynxville, Guttenberg, and Dubuque). In summer of 2003, emergency responders’ capabilities were tested when one not-so-smart recreational boater, at the urging of his passengers, tried to jump a boat over the Guttenberg dam spillway. Needless to say, they failed in their attempt, and the boat plummeted over the dam and rolled, leaving the passengers caught in the swift undercurrent below the dam. (What is really amazing is that this is not the first time somebody tried this!). Public safety responders from both sides of the river, none of whom were trained in swiftwater rescue, were dispatched to rescue the victims, who were eventually brought to shore and transported to the hospital for treatment of their injuries. Luckily, rope rescue techniques were not necessary and no emergency responders were hurt during this incident, but departments in our area lack the technical equipment, training, and practice necessary to conduct these sort of water rescues safely.
Also of great concern is Ice Rescue. When a victim falls through thin ice, it is usually impossible for them to pull themselves back up on to the slippery, unstable edge without assistance. Members of the technical rescue group conduct ice rescue training several times annually, and maintain specialized equipment and protective wear for these types of emergencies.
Having a
technical rescue team in place will greatly improve our area’s
capability to respond to challenges that we are presently ill
prepared to handle. Although it is more likely that we will be
called to respond to a silo rescue or a trench collapse than to a
terrorist bombing, the core training and equipment needed for both
of these situations is very similar. Make no mistake; this will be
a fully-functional technical rescue team, trained to appropriate
standards and available to respond to any situation requiring these
specialized services, including incidences of terrorism. That is
the most important capability of a technical rescue team—the ability
to adapt the techniques that they have practiced and the equipment
that they possess to address the specific situation that they are
called to.
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Instructor Dan “Kaz” Kazmerski teaches team members to rig a basket stretcher for high-angle evacuation at the Lancaster Fire Station in May 2004. |
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Technical Rescue Team members practice rigging high angle raise and lower systems as a part of their initial rope rescue technician training in May 2004. Whether responding to a wilderness call, a tower rescue, or a structural collapse, a strong working knowledge of rope rescue techniques is a must. |
2004
Grant County Emergency
Management
1000 North Adams Street ▪ P.O. Box 506
Lancaster, WI 53813
Phone: (608) 723-7171 Fax: (608) 723-5159