HomeMy WebLinkAboutWPO201600050 Plan - As-built 2022-10-21 (2)COLLINS ENGINEERING 200 GARRETT ST, SUITE K CHARLOTTESVILLE VA 22902
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March 14, 2022
Albemarle County Community Development
Charlottesville, VA 22902
Attn: Albemarle County Engineering Department
RE., Briarwood Recreational Area - SWM Asbuilt plan
Please allow this letter to serve as a Certification for the Briarwood Recreational area project Stormwater
Management. Overall, the stormwater management pond has been built and installed to the approved plans, as
detailed on the attached asbuilt plan. Below is a summary of the asbuilt construction elements that have been
completed and shown on the swm asbuilt plan:
1. The following items have been shown on the SWM plan:
a. A signed and sealed asbuilt has been provided for final review and approval.
b. The emergency spillway and riser/outfall have been shown on the plans and labeled.
c. The asbuilt volumes for the pond are shown in comparison to the design volumes. The contours and
volume of the pond were asbuilted and this information is shown on the asbuilt plan for comparison
to the original design. The volume of the asbuilt pond exceeds the original design.
d. The contour and labels have been shown within the asbuilt pond for the design pond and asbuilt
pond contours.
2. The plantings for the SWM facility include just grass, as this is a grass detention facility that drains completely
over a period of time after a rain event.
3. The information on the earthen embankment construction has been shown on the plans.
4. The owner is providing the F&R reports on the embankment compaction.
S. The details on the emergency spillway have been shown on the plan.
6. Asbuilt pond and outfall structure field information has been shown on the plans and compared to the original
design information.
Please allow this letter to serve as the final certification that the stormwater management features within the
Briarwood recreational area project have been completed.
Sincerely, "�Z7r
B
Scott Collins, PE