Target decided to use an emerging technology which would maximize the usable land area and minimize costs. The BMP that was used was not without risks. The fear of the wearing surface degrading overtime was mitigated through he ribbon application. This area is not subjected to blowing sands and silts, however heavy traffic loads will create a level us dust and debris. Target has a regimented vacuuming system for aesthetic reasons, however if not implemented correctly the system could clog and become unusable.
Costco has very stringent roughness guidelines for their parking lots. Dowl Engineers felt this was unwarranted (Dowl Interview, 2007) and based purely on perception. Research could have been done on Costco’s behalf to determine if this was true or not.
Placing a propriety system in is a risky investment. The media must be changed on an interval recommended by the manufacturer. If Costco does not have a maintenance contract in place the system will become inoperable and potentially could cause localized flooding in the parking lot.
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