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Home My WebLink About20100063 Ver 1_More Info Received_20130516Strickland, Bev From: Lucas, Annette Sent: Thursday, May 16, 2013 2:41 PM To: Strickland, Bev Subject: FW: Franklin County HUB -Level Spreader Issue Attachments: HUA - TNF Construction Plans 2011-06-15—Sheet DF- 03.pdf; IMG- 20130514- 00234.jpg; IMG- 20130514- 00235.jpg; IMG- 20130514- 00236.jpg; IMG- 20130514- 00233.jpg; IMG- 20130514- 00229.jpg; IMG- 20130514- 00230.jpg; IMG- 20130514- 00231.jpg I&TWEBU10111 . From: Stephanie Norris [ mailto :stephanie @spauldingnorris.com] Sent: Tuesday, May 14, 2013 6:07 PM To: 'Debbie Edwards'; Lucas, Annette Cc: Scott Hammerbacher Subject: RE: Franklin County HUB -Level Spreader Issue - , 1-•• Good evening. I met on -site this morning with the Contractor (Fred Smith Company) and Scott Hammerbacher (Franklin County) to evaluate the roadway ditch and slope from Station 16 +50 to 24 +00 (right side), which leads to the upstream end of Culvert 2. Attached for your reference is Sheet DF -03 from the TNF Construction Drawings that illustrates a portion of the subject roadway ditch, Level Spreader 10, and Culvert 2. After reviewing the site conditions and construction drawings today, there are a few things I wanted to communicate to you while it is still fresh on my mind. 1. The roadway is in super - elevation toward the left side from Sta 16 +50 to 23 +50. All the runoff from the roadway is draining into the left side roadway ditch and ultimately to Level Spreader 2/3. As a result, the only flow from impervious area (the roadway) that enters the right side roadway ditch is from Sta 23 +50 to Sta 24 +70 at Culvert 2 (approximately 120 LF). 2. The runoff from the impervious around the existing building and parking area does not drain into the subject roadway ditch. Attached are photos of the area between the existing building and our top of slope. In fact, the majority of the runoff from the field between the building and our top of slope sheet flows toward the stream at Culvert 2. Therefore, the subject ditch is not receiving a large amount of off -site runoff. (REF. Photos 233 to 236) 3. Based on the conditions described in Items 1 and 2, the majority of the runoff being conveyed by the subject roadway ditch is from the grass shoulder to the top of slope (700 LF x 40 LF = 28,000 SF = 0.65 AC; Q = CIA = 0.3 x 7.22 IN /HR x 0.65 AC = 1.41 CFS roughly). 4. The roadway ditch as graded has a trapezoidal shape with approximately a 2 LF bottom width, as opposed to a V -ditch illustrated in the typical sections. The slope from the shoulder point to the ditch is graded to a 5:1. The slope from the ditch to the top of slope is graded to 2.5:1 to 3:1, as opposed to the 2:1 slope illustrated in the typical sections. (REF. Photos 229 to 231) 5. The existing power poles along the top of slope, as shown in the photos, would prohibit the slope from being regraded to achieve a 3:1 (or flatter) slope. Not to mention, the slope itself is rock. This is the cut area where an extensive amount of blasting occurred for the road construction. Flattening the slope through this area would WX 110419 offs" So the question is ... Since the amount of runoff through the subject ditch line is potentially less than the design and very little of the runoff comes from impervious area (existing or proposed), is Level Spreader 10 and nutrient removal warranted in this case? If you want to schedule a site visit or conference call to discuss this further, just let me know. Stephanie L. Norris, RE Rai( ;I o From: Stephanie Norris [ mailto :stephanie @spauldingnorris.com] Sent: Monday, May 06, 2013 2:29 PM To: 'Debbie Edwards'; 'Lucas, Annette' Subject: RE: Franklin County HUB -Level Spreader Issue Perfect. I assume we are meeting at Annette's. Stephanie Iv. Norris, P, --- r IC t t, :. From: Debbie Edwards [mailto:dedwards @sandec.com Sent: Monday, May 06, 2013 2:09 PM To: Lucas, Annette; Stephanie Norris Subject: RE: Franklin County HUB -Level Spreader Issue Day and time works for me. Thanks, Debbie DEBORAH EDWARDS Soil & Environmental Consultants, PA 919-846-59oo (office) 919-673-8793 (mobile) THINK BEFORE YOU PRINT From: Lucas, Annette [ mailto :annette.lucasCa)ncdenr.aov] Sent: Monday, May 06, 2013 2:07 PM To: Stephanie Norris; Debbie Edwards Subject: RE: Franklin County HUB -Level Spreader Issue Stephanie — How about if we say 1:30 because I have to head out at 2:45 and just want to make sure we have enough time. A From: Stephanie Norris Sent: Monday, May 06, 2013 2:02 PM To: Lucas, Annette; 'Debbie Edwards' Subject: RE: Franklin County HUB-Level Spreader Issue M.- 1 row. *� Stephanie L Norris, PE �727�n�y�oed Re��/ ?, 607 [Jf�c�e AC��edN/on7an-��n�dBu�n�oo NV From: Lucas, Annette Sent: Monday, May 06, 20131:32 PM To: Debbie Edwards Cc: Stephanie Norris ( ) Subject: RE: Franklin County HUB-Level Spreader Issue Nextvveek— Monday,VVedandThursareaUgoodforme. Why don't you pick something and we'll put itonthe calendar. From: Debbie Edwards Sent: Monday, May 06, 2013 1:28 PM To: Lucas, Annette Cm: Stephanie Norris Subject: Franklin County HUB-Level Spreader Issue Annette, I spoke with Stephanie, unfortunately she has a scheduled meeting in Charlotte that day and will be gone from 74M-5PM that day. That said, Thursday will not work for us. Next week anytime we can both be available. Or if anything opens up for you this Friday, the 1rt» we could be available as well. Please provide a date and time and vve will make itwork. Thanks for working with uson this issue! Debbie DEBORAH EDWARDS Environmental Specialist SoiI& Environmental Consultants, PA aaoao Raven Ridge Road Raleigh, NC 27014 919-846-5goo(w8ficm) 919-673-8793 (mobile) www.SandEC.com This electronic communication, including all attachments, is intended only for the named addressee (s) and may contain confidential information. This electronic communication may not have passed through our standard review /quality control process. Design data and recommendations included herein are provided as a matter of convenience and should not be used for final design. Rely only on final, hardcopy materials bearing the consultant's original signature and seal. If you are not the named addressee (s), any use, dissemination, distribution or copying of this communication is prohibited. 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