Given the magnitude of this expansion, it created a number of engineering challenges that Yamabe & Horn solved to help keep the construction time to a minimum. The first was re-routing the water main for the entire facility as it was located in a service alley that was going to be covered by retail space. Working with F+A Architects, Yamabe & Horn was able to find a new location for the water main to be moved to that was as cost-effective as possible, while also making it easily accessible by maintenance personnel in the future.
The next task was to design the grading plan for the parking lot. The expansion absorbed part of the existing parking lot and also created a new drive aisle between it and two new restaurants due north of it. A traffic circle was installed in the middle and required significant drainage design so that heavy rains wouldn’t funnel water directly down the new patio areas and walkways and into the mall.
Yamabe & Horn survey crews completed a site topography of the existing parking lot and the team was able to design the new grading plan that factored in all considerations. The final parking lot and drive aisle construction have proven to be quite effective at draining all water flow over the past 7 years without any issue.