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HomeMy WebLinkAboutSW3180304_Add Info Email_20180605 Anen, Steven C From:Daniel Shabeldeen <dan@shabeldeen-engineering.com> Sent:Wednesday, June 6, 2018 8:16 AM To:Anen, Steven C Subject:RE: \[External\] Kontane - Stormwater Status Attachments:17-320-8e Areas.pdf; Area Tables.pdf; Suppl EZ Form - Signed 1.pdf CAUTION: External email. Do not click links or open attachments unless verified. Send all suspicious email as an attachment to Report Spam. Morning, Sorry for any confusion. Below is a response to your comments 1. The attached Equivalent Area Map shows the drainage divide lines. The western building roof slope will match the existing building roof slope with the southern portion (~15%) draining to the south and bypassing the SCM. The northern portion (~85%) drains to the north and ultimately into the sand filter SCM. 2. Yes, the roof of the eastern building will slope to the east so roof runoff will be captured and conveyed to the SCM. 3. The attached Equivalent Area Map and area tables should clarify which areas are being treated through the sand filter SCM. The area tables show that the new impervious area is 7.5 acres and we’re treating 7.7 acres. Attached is the Supplemental Form that should have been submitted. I might be missing something, but It appears completed. Thanks, Dan Shabeldeen 3145 Tate Blvd. SE Hickory, NC 28602 Phone (828) 320-7252 Fax (828) 394-4126 This email message is for the sole use of the intended recipient(s) and may contain information that is confidential, privileged, proprietary and protected from disclosure by applicable law. Any unauthorized review, use, duplication, disclosure or distribution is strictly prohibited. If you are not the intended recipient, please contact the sender by reply email and immediately destroy all copies of this message, including electronic and hard copies. Thank you for your cooperation. From: Anen, Steven C <corey.anen@ncdenr.gov> Sent: Tuesday, June 5, 2018 1:48 PM To: Daniel Shabeldeen <dan@shabeldeen-engineering.com> Subject: RE: \[External\] Kontane - Stormwater Status Hi Dan, st I received your resubmittal on May 31. I still need more information on the grading to ensure that a sufficient amount of BUA is being treated by the sand filter. Could you please provide the following information? 1  There’s a label on the western building that says “drainage divide”. Does this mean that the entire roof north of that note drains to the northern end of the building? Drains that flow west or south will flow into the existing drainage system and bypass the basin.  Do all of the downspouts from the proposed eastern building discharge to the proposed drainage system to the east or do some of them drain west? Those that drain to the west will bypass the sand filter and not be treated.  A significant amount of proposed BUA between the existing building and the proposed eastern building bypasses the sand filter. This is offset by some of the existing parking to the northern end of the site that will drain to the sand filter; however, it is not possible to tell based on the provided grading sheets. Your letter dated May 3, 2018 says that sheets C3-Grading and Drainage Plan was attached to show that information; however, the only sheets that were submitted are sheets C2, C6, and C7. Also, the Supplemental Form must be completed in its entirety and submitted. The form that I received did not contain any information for Sand Filter MDC2. Please let me know if you have any further questions. Thanks, Corey Anen Environmental Engineer North Carolina Department of Environmental Quality Division of Energy, Mineral & Land Resources Stormwater Program 512 N. Salisbury Street 1612 Mail Service Center Raleigh, NC 27699-1612 919-807-6378 Corey.Anen@ncdenr.gov Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Daniel Shabeldeen \[mailto:dan@shabeldeen-engineering.com\] Sent: Monday, June 4, 2018 11:55 AM To: Anen, Steven C <corey.anen@ncdenr.gov> Subject: \[External\] Kontane - Stormwater Status CAUTION: External email. Do not click links or open attachments unless verified. Send all suspicious email as an attachment to Report Spam. Good morning Corey, Hope all’s well. What’s the status of the permit review for the referenced project? The contractor emailed me that they are waiting for approval so they can move forward with the project. Thanks, Dan Shabeldeen 2 3145 Tate Blvd. SE Hickory, NC 28602 Phone (828) 320-7252 Fax (828) 394-4126 This email message is for the sole use of the intended recipient(s) and may contain information that is confidential, privileged, proprietary and protected from disclosure by applicable law. Any unauthorized review, use, duplication, disclosure or distribution is strictly prohibited. If you are not the intended recipient, please contact the sender by reply email and immediately destroy all copies of this message, including electronic and hard copies. Thank you for your cooperation. 3