On Campus BMP Research
Villanova Stormwater Wetlands
 
 
Construction Photographs
 
Click to enlarge
 

Figure 1: Overview of entire site, completely mowed to prepare for grading.

Figure 2: Site overview, looking from the inlet structure to the outlet structure.

Figure 3: Site was graded to lengthen flow path and increase residence time.

Figure 4: A worker installs the caging for the gabion wall to retain water in the sediment forebay.

Figure 5: Pre construction shot of the outlet structure.

Figure 6: The same outlet structure with a gabion berm installed.

Figure 7: An ultrasonic transducer is added on top of the wooden weir.

Figure 8: The final step--planting various wetland species in the graded basin.

Notes:
Figure 3: The surface was left rough to help the vegetation create a foothold.
Figure 6: An earthen wall is placed on the outside of the berm, and a wooden weir is added as a low flow spillway.