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HomeMy WebLinkAbout20150955 Ver 2_B-4929 test pier_20160513Herndon, Mason From: Herndon, Mason Sent: Friday, May 13, 2016 8:16 AM To: 'Shaver, Brad E SAW'; Stanton, Tyler P Cc: Lane, Stephen Subject: RE: B-4929 Test Piers Attachments: WQC 3883.pdf Based on the Corps determination below, the proposed impacts associated with the test pier (as described in the chain of e-mails below) can be authorized under WQC 3883, which correspond to the Nationwide Permit 5 issued by the Corps of Engineers. Furthermore, based on the description provided by NCDOT, this work does not meet any of the thresholds or circumstances listed in this certification and therefore does not require written authorization from DWR. This approval will expire with the accompanying 404 permit. For this approval to remain valid, the contractor must adhere to all conditions listed in the attached certification. Furthermore, the work must be completed in accordance with NCDOT's Best Management Practices for Construction and Maintenance Activities and the provisions of the NCDOT's National Pollutant Discharge Elimination (NPDES) Stormwater Permit NCS000250, including the applicable requirements of the NCG01000. Should your project change or if you determine that you cannot meet one of the conditions of this certification, you must notify the DWR and acquire approval before work begins. Please do hesitate to contact me if you have and questions or if I can be of any further assistance with this project. ►f�i:l -----Original Message----- From: Shaver, Brad E SAW [mailto:Brad.E.Shaver@usace.army.mil] Sent: Friday, May 13, 2016 7:39 AM To: Stanton, Tyler P <tstanton@ncdot.gov> Cc: Herndon, Mason <mason.herndon@ncdenr.gov>; Lane, Stephen <stephen.lane@ncdenr.gov> Subject: RE: B-4929 Test Piers Tyler, I appreciate all the information and clarification of the finer points. Looking at this again especially now that the provision dictates that the work site be cleaned and restored once the testing is complete, I feel comfortable that you can use NW 5. This approach will keep us from having to reissue the Regional General Permit. In this case NW 5 does not require notice but you are encouraged to attach the permit with any contract execution. I have attached it for your use. Thanks again for your help on this, Brad -----Original Message----- From: Stanton, Tyler P [mailto:tstanton@ncdot.gov] Sent: Wednesday, May 11, 2016 6:55 AM To: Herndon, Mason <mason.herndon@ncdenr.gov>; Lane, Stephen <stephen.lane@ncdenr.gov>; Shaver, Brad E SAW <Brad.E.Shaver@usace.army.mil> Subject: [EXTERNAL] RE: B-4929 Test Piers The piers will be 1.4' below ground level. +0.9 +-0.5 Sent from Outlook Mobile <Blockedhttps://aka.ms/blhgte> . On Tue, May 10, 2016 at 3:27 PM -0700, "Herndon, Mason" <mason.herndon@ncdenr.gov <mailto:mason.herndon@ncdenr.gov> > wrote: If I'm understanding this correctly, the concrete pier will 1.4 feet below the natural ground, correct? From: Stanton, Tyler P Sent: Tuesday, May 10, 2016 2:35 PM To: Lane, Stephen <stephen.lane@ncdenr.gov>; Brad Shaver (Brad.E.Shaver@usace.army.mil) <Brad.E.Shaver@usace.army.mil>; Herndon, Mason <mason.herndon@ncdenr.gov> Subject: B-4929 Test Piers I got the lowdown on the test piers. As I previously stated the piers will be installed adjacent to the work bridge finger for bent 1. No other ground access will be required. The concrete pier will be set at -0.5' (top of ground is measured at +0.9'). The casing will be set at 7' above ground. The provision below will be included in the contract directing the contractor to remove the casing after axial load test is complete and accepted: 6.0 COMPLETION OF LOAD TEST: After the completion of the load test, and at the direction of the Engineer, the Contractor shall remove any equipment, material, and waste, etc., except the test piers. After testing is completed, the load test location shall be cleaned, the reinforcement removed from the top of the piers, and the top of the test drilled piers shall be covered with soil. Tyler Stanton Environmental Program Consultant NCDOT, Natural Environment Section 919 707 6156 office 919 212 5785 fax tstanton@ncdot.gov <mailto:tstanton@ncdot.gov> 1598 Mail Service Center Raleigh, NC 27699-1598 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Email correspondence to and from this sender is subject to the N.C. 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