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HomeMy WebLinkAboutSW6111003_COMPLIANCE_20111129STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW1Q Ulm ID DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION DOC DATE��� �o2af YYYYMMDD 9 1745 Cypress Lakes Rd Inc Gooden & Associates, Hope Mills, NC 28348 tJ Phone: 910-223-7766 Surveying, Planning, Mapping FAX; 910-223-7788 jprevene(ftoodensurveying.com Mr. Robert Patterson, P.E. NC DENR - Division of Water Quality Stormwater Permitting Unit Post -Construction Application 1617 Mail Service Center Raleigh, NC 27699-1617 RE: SHADOW CREEK STORMWATER PERMIT SW6111003 Robert, Please find enclosed two copies of the pond detail sheet. enclosures November 28, 2011 RIN&ROWN, NOV 2 9 2011 WE)IMMARDS DRMN/ATER BRANCH Regards, /ohn . Prevette, III, P.L.S. _ 1 1745 Cypress Lakes Rd Gooden & Associates, Inc Hope Mills, NC 28348 �l Surveying, Planning, Mapping Phone: 910-223-7766 FAX: 910-223-7788 iprevettegKoodensurveyin .aim Mr. Robert Patterson, P.E. NC DENR - Division of Water Quality Stormwater Permitting Unit Post -Construction Application 1617 Mail Service Center Raleigh, NC 27699-1617 RE: SHADOW CREEK STORMWATER PERMIT S W 6111003 Robert, Please find enclosed two copies of the pond detail sheet. enclosures November 16, 2010 p@mowmp NOV 2 1 2011 DENR -WATER QUALITY WETUWDS AND STQRMWATER BRANCH Regards, John E. Prevette,111, P.L.S. _) 1745 Cypress Lakes Rd I Gooden & Associates, nc Hope Mills, NC 28348 Phone: 910-223-7766 Surveying, Planning, Mapping Pnx:910-223-n88 iprevettena poodensurveyimcom Mr. Robert Patterson NC DENR - Division of Water Quality Stormwater Permitting Unit Post -Construction Application 1617 Mail Service Center Raleigh, NC 27699-1617 RE: SHADOW CREEK STORMWATER PERMIT S W 6111003 Robert, November 10, 2010 NOV 1 5 2011 DENR- WATER QUALITY VOWDSANQ STQRMWATER BRANCH Please find enclosed the signed and notarized 0&MA for the Level Spreader along with one copy. Regards, ohn E. PrJJ/evette,111, P.L.S. enclosures _ 1745 Cypress Lakes Rd y Gooden & Associates, Inc Hope Mills, NC 28348 1 Phone: 910-223-7766 �I } Surveying, Planning, Mapping PAX: 910-223-7788 iprevelte a goodensurveying.com Mr. Robert Patterson NC DENR - Division of Water Quality Stormwater Permitting Unit Post -Construction Application 1617 Mail Service Center Raleigh, NC 27699-1617 RE: SHADOW CREEK STORMWATER PERMIT SW6111003 Robert, Please find enclosed the following: November 1, 2010 lft'wu e0 NOV -3 ? 11l D wEru, isku • Two sets of revised plans • The revised wet basin calculations which now include the level spreader • The revised wet basin supplement form • The level spreader supplement form • A picture of the vegetated filter strip area • The LLC amendments adding Jeff Wright to the member list. Jeff Wright will be sending the 0&MA for the level spreader. I raised the elevation of the wet basin to set the PPE nearly at the SHWT. This required me to revise the pipe layout slightly. I removed the yard inlets for lot 25 and lot 9 because the grate elevations were lower than the new top of the pond. In addition, the higher invert created a vertical clearance issue with the infiltration basin outlet pipe. I revised the pipe run from Old Blossom Court which crosses the infiltration basin outlet pipe to maintain vertical pipe clearance. This also provided an opportunity to create a single inlet into the forebay. Please let me know if you have any questions. Sincerely, /john E. Prevette, I11, P.L.S. enclosures Patterson, Robert From: Patterson, Robert Sent: Wednesday, October 19, 2011 7:05 AM To: 'John Prevette' Subject: RE: SW6111003 - Shadow Creek - Additional Information Request John, I'm concerned about the last item still. Liners are great for keeping water in the pond, but not for preventing water from seeping into it. One of our concerns is that there is potential for the liner to be blown out if the ground water pressure becomes too great. Therefore, we have not allowed liners to be used for this situation. I was wondering however if the SHWT will change (maybe be lowered?) once the existing pond is filled in. I'm not a soil scientist though, so I don't know. Otherwise, you will need to provide more analysis as per the manual, to show that the proposed temporary volume will not be taken up by groundwater flowing in. Robert D. Patterson, PE Environmental Engineer NCDF,NR I DWQ I Smrmwater Permitting - 1617 Mail Service Center, Raleigh, NC 27699-1617 Mail 1 512 N. Salisbury SL, Raleigh, NC 27604 1 9°" Floor Location A, Parcels (919) 807-6375 Phone 1 (919) 807-6494 Pas I Robert. Pattersonancdenr.eov Emil I http://I)ortal.ncdenr.org/web/wa/ws/su Website ,A Before printing this email, please consider your budget and thee rivironinent E-mail correspondence to and from this address maybe subject to the North Carolina Public Records Law and maybe disclosed to third parties unless the content is exempt by statute or other regulation. From: John Prevette Lmailto:jprevette@goodensurveying.coml Sent: Tuesday, October 18, 2011 3:45 PM To: Patterson, Robert Subject: RE: SW6111003 - Shadow Creek - Additional Information Request Thanks Robert, I've detailed below how I plan to address your comments in the letter. Let me know if you have any problems or concerns. submitting that to you. 2. The LS/VFS detail on sheet CI1 needs to specify the length of the lip and that it be constructed of concrete. I will include that detail. 3. To prevent erosion of the VFS, a bvpass shall be provided when flow rates from the wet pond exceed the capacity of the LS/VFS. Storms in excess of the design storm will outflow through the overflow spillway in addition to the riser. Flow into the riser (and to the LSNFS) will not exceed 2cfs because the overflow spillway will be working in conjunction with the riser. The actual LSNFS flow will be about 1.6cfs. I will include the storm routing data for clarification. 4. The signing official, Mr. Jeff Wright, is not shown on the NC Secretary of State's website as being a managing member for the LLC Please clarify. Jeff is the newest member in the LLC. The NCSOC website apparently does not have the latest copy of the organizational amendments which include his name. I have asked him to get me a copy and I will forward it to you. We will be utilizing a clay liner in the pond to separate water in the natural water table from the water in the wet pond. I will send a short report showing that the infiltration rate for the design clay liner is zero and thus, will have no impact on wetlands, down slope swales, etc. I noticed that the cross section detail does not extend the clay liner all the way up to the SHWT elevation. I will revise that. -John John E. Prevette, III, P.L.S. Gooden & Associates, Inc. 910-223-7766 iprevette(a goodensurveying.com From: Patterson, Robert fmailto:robert.oatterson@ ncdenr.govl Sent: Tuesday, October 18, 2011 1:22 PM To: iorevetteftgoodensurveying.com Cc: Lawyer, Mike; southeasternconst(agmail.Com Subject: SW6111003 - Shadow Creek - Additional Information Request John, Please see attached. An original is also in the mail. Please let me know if you have any questions. Thanks. Robert D. Patterson, PE Environmental Engineer NCDENR I DWQ I Stormwater Permitting 1617 Mail Service Center, Raleigh, NC 27699-1617 Mail 1 512 N. Salisbury St, Raleigh, NC 27604 1 9« Floor Location & Paiccis (919) 807-6375 Phone 1 (919) 807-6494 Fax I Robert. Pat. tersonanedenr.gov Email � http:// portal.nedenr.ore/web/wct/ws/so Website .A Before printing this email, please consideryour budget and the environment. E-mail correspondence to and from this address maybe subject to the North Carolina Public Records Law and maybe disclosed to third parties unless the content is exempt by statute or other regulation.