Stonehouse Elementary School

Stormwater Facility BMP Repair & Retrofit - May 2014
Scope of Work
This project consisted of the repair of a failed stormwater management facility and the eroded outfall channel that receives the discharge from the facility.

The project also retrofits the facility with a constructed wetland to improve the water quality treatment of the stormwater discharged from the school site.

Schedule
  • Civil Engineering Design - Completed - 100%
  • Construction phase completed - November 9, 2013
  • Wetlands Plants Installation to be completed in April 2014
Design Budget
  • Estimated Budget - $107,000
  • AES Consulting Engineers - $18,649
  • Contract amount and percent complete - $18,214 - 97.8%
  • Additional services - $14,291
  • JSG Corporation - $93,034.52
  • Total change orders - 2
  • Total amount of changed orders - $15,554.94*
  • Current payout and percent - $108,589.40 - 100%
* For removal of unsuitable soil material from the dam embankment and the basin floor, import of additional suitable material, installment of an additional gate for maintenance access and additional erosion control matting.

Milestones
  • Design complete and site plan approval.
  • Obtained all necessary permits.
  • Construction started on October 1 and completed November 9.
  • Installation of wetland plants completed on April 7, 2014.
  • Record drawings and Construction Certification.