Fw_ Duplin Bridge 36 losses due to rain events from 7_8-7_10

From:Farrell, Sean C
To:Shaver, Brad E CIV USARMY CESAW (US); Sprinkle, Hannah H
Cc:Bullard, Jason M; Westphal, Anneliese; Gingrich, Sophia E
Subject:Fw: Duplin Bridge 36 losses due to rain events from 7/8-7/10
Date:Monday, July 11, 2022 6:10:59 PM
Attachments:Area 1a.jpg
Area 1b.jpg
Area 2a.jpg
Area 2b.jpg
Area 3a.jpg
Area 3b.jpg
Area 4a.jpg
Area 4b.jpg
Area 4c.jpg
Area 5a.jpg
Area 5b.jpg
Area 5c.jpg
Area 6&7 slope.jpg
Area 6a.jpg
Area 6b.jpg
Area 6c.jpg
Area 7a.jpg
Area 7b.jpg
Area 7c.jpg
Area 7d.jpg
Brad and Hannah,
Please see below report from Sophia of the losses at Duplin 36. They recorded 5 inches of rain
over the weekend. The contractor has multiple crews working on retrieval and slope repairs.
We will be back out there on Wednesday for the ride-through.
-Sean
From: Gingrich, Sophia E <[e-mail]>
Sent: Monday, July 11, 2022 5:46 PM
To: Farrell, Sean C <[e-mail]>
Cc: Dustin, Christopher <[e-mail]>
Subject: Duplin Bridge 36 losses due to rain events from 7/8-7/10

Sean,

Here is a list of the losses and their dimensions after the rainfall over the weekend (7/8-7/10) at
Duplin 36. We forgot to check the records while we were there, but these have occurred since
Anneliese visited on 7/8. There was no inspector onsite while we were there.

Area 1: L_DET Sta. 14+00 Rt. The area was about 30 feet long by 11 feet wide and about 1 foot deep
at its thickest. It overwhelmed the silt fence/possible wattle at the bottom of a slope drain.

Area 2: L_DET Sta. 14+75 Rt. The area was about 18 feet long by 7 feet wide and about 8 inches
deep at its thickest. The burrito busted and it overwhelmed the silt fence.

Area 3: L_DET Sta. 15+25 Rt. The area was about 13 feet long by 5 feet wide and about 5 inches
deep at its thickest. The burrito busted and it overwhelmed the silt fence/possible wattle.

Area 4: Under the temporary bridge at about L_DET Sta. 18+00. The area was about 14 feet long by
5 feet wide and 4 inches at its thickest. It overwhelmed the silt fence.

Area 5: L_DET Sta. 23+25 Rt. The area was about 26 feet long by 5 feet wide and about 5-6 inches
deep at its thickest. It was due to a combination of the burrito busting, sediment washing out around
a slope drain, and high water in the wetlands.

Area 6: -L- Sta. 25+50 Lt. The area was about 9 feet long by 10 feet wide and about 10-12 inches
deep at its thickest. The slope was uncovered, and sediment overwhelmed the silt fence.

Area 7: -L- Sta. 25+25 Lt. The area was about 6 feet long by 10 feet wide and about 5-6 inches deep
at its thickest. There was a break in the silt fence and sediment from the uncovered slope washed
around it.

They had two crews removing the sediment from the wetlands while we were there this morning.
They were not working on anything else besides sediment removal. The pictures are labeled Areas 1-
7 and I also included a picture of the slope by areas 6 and 7.

Please let me know if you have any questions. I know that was a lot of information.

Thank you,

Sophia Gingrich
Environmental Technician
Division 3
NCDOT – Division of Highways

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