HomeMy WebLinkAboutWPO201700031 Correspondence As-Built Reviews 2019-10-21WPO201700031 — As -Built — BISWM—10121119
As -Built:
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4. Show the 49 in (UD) pipe and pipe outfall 8A an appFGPFoately Aamed /SWM fasility
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S. Show and verify SWM facility drainage areas. Sheets 6.03-6.05 from the design plan should be
included in as -built. -Verify sizing calcs meet or exceed the design.
Sheet 6.03: The', as -built needs to be updated to show the correct sizing talcs for the bioretention
facility per the as -built conditions.
Sheet 6.0S:
- The Runoff Reduction map needs to provide the correct information. Verify DA of the 48-in (UD)
pipe. Show DA of the 48-in (UD) pipe.
- Remove the underdrain / SD shown next to barn if not installed.
6. Show 48-in (UD) pipe was installed correctly per design. Show profile, weir location & dimensions.
-Sheet 5.04 from the design plan should be shown on the as -built. Verify proper dimensions,
materials and installation.
Sheet V2: Please correct the detail. The weir structure is in structure S3. The detail says S6.
The detail doesn't look correct and needs to be revised based upon the as -built condition.
Field inspection:
1. 1 did not find the weir structure in S6, but in S3.
2. Observed 6" pipe discharging water adjacent to S9. Not shown on plan, source unknown.
3. Outlet protection installed correctly - S9.
4. Bioretention appears to be functioning adequately since last rainfall.
Additional items needed for a complete bond release:
7. Owner/Operator needs to update the DEQ termination form for the permanent control measures
(see attached VAR10). Resubmit form.
9. Submit an easement plat & deed fGF the 6WM fae"ities and Fese-I them
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