i forgot to mention that the building has glass balconies ( panels) all around it (we need to clean only the balconies / panels) each glass panel is about 4'x4' square there's around 4,600 panels, if I price it by panels @ $8-10 I'm at $37K to $46K , the panels are really dirty.
from Window Cleaning Resource http://ift.tt/1iFr2Kd
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