20161221_R-5311A 4B Meeting Minutes_Final_03212016_20160218

Project:
Date:
Location:
Time:
R-5311A 4B Meeting Minutes
3/21/2016
Engineering
R-5311A (US 131NC11 AT NC 111SR 1212 (SHORT CUT ROAD) AT NC 11/SR 1213 (OLD NC 11 ROAD)
February 18, 2016
NCDOT Structures Conference Room CCA
8:30AM
Minutes Authored by: Kyle Stoffer, ICA Engineering
Attendees: Paul Atkinson- NCDOT Hydraulics
Craig Freeman- NCDOT Hydraulics
Nishont Shah- NCDOT Hydraulics
Jay Mclnnis- NCDOT PDEA
Tracey Wheeler- USACE
Jim Hauser- NCDOT NES
Garcy Ward- NCDENR DWR
Mark Staley- NCDOT REU
Cathy Brittingham- NCDENR DCM
Tina Snell- NCDOT RDWY
Tyler Stanton- NCDOT NES
Gary Lovering- NCDOT RDWY
Keith Paschal- NCDOT SMU
Larry M. James- NCDOT Utilities
Travis Wilson- NCWRC
Trent Cormier- ICA Engineering
Kyle Stoffer- ICA Engineering
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Agencies expressed concerns with the large proposed ditch lines along -Y1- and -Y2- and their prospective impacts to the
wetlands. It was stated the project drainage design should ensure all proposed ditch depths and geometries be comparable to
existing conditions to minimize wetland impacts. It was stated by Trent Cormier that the proposed drainage design limits
hydraulic trespassing and maintains existing hydraulic and hydrological conditions.
Plan Sheet 4: It was requested by Tracey Wheeler to move outfall node 0508 and the riprap pad outside the wetland boundaries
to minimize wetland impacts.
Plan Sheet 5: It was stated by Trent Cormier a proposed ditch along alignment -EL- (Sta. 320+00 to 322+91 LT not shown in
plans) had been added in response to NCDOT Hydraulics review comments. It was also stated the ditch does not require a
riprap pad at the outfall into the wetland due to a flat slope and a non-erosive flow velocity.
Plan Sheet 6: No comments or concerns
Plan Sheet 7: Trent Cormier explained the proposed drainage design had changed in response to NCDOT Hydraulics review
comments in the gore area between -Y2RPB- and -Y2LPB- and gore area between -Y2LPD- and -Y2RPD-. The 36" RCP
equalizer pipes had been replaced with drainage boxes and outlets (not shown in plans). Tracey Wheeler requested the riprap
pads located in the wetlands within -Y2LPD- and -Y2LPB- loops be eliminated or reduced in size if possible. Trent Cormier
stated the riprap pads at these locations were required to ensure non-erosive flow velocities and were sized based on NCDOT
standards.
Plan Sheet 8: No comments or concerns.
Plan Sheet 9: No comments or concerns.
Plan Sheet 10: No comments or concerns.
Plan Sheet 11: Garcy Ward questioned what happened to the flow in the ditch along -Y2- at Sta. 70+00 LT downstream of the
18" RCP driveway pipe. Trent Cormier stated based field recon the flow reenters the wetlands downstream of the driveway pipe
located at Sta. 70+00 LT along -Y2- and this location is outside the project area.