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I have researched into many of these construction projects at UNM, and I have noticed some interesting decisions on the elevators being specified on many of UNM's new construction projects. UNM is actually specifying two greener elevator technologies: holeless hydraulic and machine room-less (MRL) traction.
UNM's first holeless hydraulic elevator (made by ThyssenKrupp) was installed in the new Castetter Hall Addition. Another one has been ordered (also made by ThyssenKrupp) to be installed at the Art History Museum as part of a renovation project. Holeless hydraulic elevators use dual telescoping pistons that are entirely above ground, reducing the risk of groundwater pollution.
Even more impressive than the holeless hydraulic elevator is the machine room-less (MRL) traction elevator. In addition to reducing the risk of groundwater pollution, MRL elevators use about 1/3 as much energy as hydraulic. MRL elevators (all KONE EcoSpace models) have been ordered for seven buildings at UNM. The first one has been installed at the newly renovated Mitchell Hall. Other buildings where they are being installed include the old Architecture building, Tamarind Institute, the School of Education Addition, the Sciences and Math Learning Center, the CRTC II building, and the new BBER Parking Garage.
I hope that UNM continues to specify these greener elevator technologies, especially MRL. What does anyone think about this?
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