Sanwire Corp (SNWR)

[Ubertino]

Noted in that report:

We have identified some functional characteristics of technology that are needed and
likely to enhance the transfer of information needed to facilitate and optimize self-escape:

Tracking: It is critical for the hazard management purposes to understand who is
in a mine and where they are located within the mine at any given time. This
information should be available to the surface communication center and this
information should also be transmissible to fellow miners so that the miners can
congregate and form teams in order to optimize their self-escape capabilities.

Communication: Communication during an emergency that is succinct and
effective is essential. Thus, natural verbal communication should be enabled
between the surface communication center and the miners, as well as between all
miners within an area. Miners must be able to communicate with each other when
they are in close proximity to each other as well as when they are within
reasonable distance to each other (e.g. nearby sections). Any devices should be
wireless, lightweight, and be easily accessible and worn on the miner.

Wayfinding: Technology needs to be developed that tracks the miners’ locations
within the mine, information about air quality, fire sources, as well as other
hazards and incorporates this information into an easy to interpret display to
enhance wayfinding.

Directional Technology: Directional information that is usable even under poor
visual and communication-deficient conditions is needed to direct miners to
escapeways, rescue chambers, additional supplied air devices, man doors, etc.
Underground cues to such locations can be provided with simple technology such
as lifelines and passive tactile indicators embedded in the physical mine
environment itself to provide real-time information to an escaping miner.
However, it is important that such directional technologies be designed with
human factors principles in mind so that the miner can most effectively and
accurately interpret the directional signals provided by these technologies.

Program Policy Letter No. P11-V-13 from the U.S. Department of Labor provides guidance for acceptable
alternatives to fully wireless communication systems since this technology is not sufficiently developed at this time.
“Examples of currently available technologies that may be capable of best approximating a fully wireless
communications system include, but are not limited to, leaky feeder, wireless or wired node-based systems, and
medium frequency systems” (available: http://www.msha.gov/regs/complian/ppls/2011/PPL11-V-13.asp
[November 2012]).