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Home My WebLink About20011551 Ver 5_Modifications_20130201P. 0. Box 151 Mount Airy, North Carolina 27030 Mr. Monte Matthews U.S. Army Corps of Engineers Raleigh Regulatory Field Office 3331 Heritage Trade Drive, Suite 105 W- 15 .S 1 vs 2 +1.800.227.6242 2 +1.336.786.5141 A +1.336.786.6984 www.ncgranite.com January 29, 2013 kq PA IF M Wake Forest, NC 27587 Subject: Permit modification for North Carolina Granite Corporation. Surry County, North Carolina References: Permit No: SAW - 2011 -01765 Dear Mr. Matthews, The North Carolina Granite Corporation (NCGC) is proposing to modify their existing permit (Permit No: SAW- 2011- 01765) for their property in Surry County, NC. This letter and associated figure constitute the permit modification request. Background Information.• NCGC received a 404 Permit (SAW- 2011- 01765) on September 5, 2012, authorizing the placement of 1,680 cubic yards of granite in the Ararat River to act as river flow deflectors to their holding pond. In addition, after- the -fact authorization was given for an additional 600 cubic yards of permanent fill for river bank reconstruction. The permit authorized an open water connection between the Ararat River and the NCGC holding pond. In addition, on July 30, 2012, NCGC received a 401 Permit (Certification No. 3936) to impact 265 linear feet of the Ararat River through the installation of the above structures. Permit Modification Request: M mAnu NCGC is requesting a modification to the permit to allow the permanent filling and replacement of 0.014 acre of the holding pond with a closed inlet structure (Figure 1). The proposed structure will not result in flooding of any jurisdictional features; it will be used only to maintain the water level in the i holding pond. The structure will consist of a 36 inch corrugated metal pipe (CUT) connecting the holding pond to the river, with a canal gate at the river end. The proposed structure will allow NCGC to control and maintain the water level of the holding pond, thus maximizing the recently implemented water recycling efforts. Due to the success of the recycling measures, water withdrawal from the Ararat River has been eliminated except potentially in times of extreme lo" aL_� gate will also essentially eliminate fish passage between the holding pond and the ASLA 3 �' 2013 ds 'wAT�t QUALIry wets a�►,�, ��A The Home of Dimensional for a 1HE NORi1CAKXNkGRWM CORKWTION 1 0 +1.800.227.6242 U +1.336.786.5141 P. 0. Box 151 Mount Airy, North Carolina 27030 1 A +1.336.786.6984 www.ncgranite.com The proposed modification to the inlet structure will be installed during construction of the in- stream deflectors. The "neck" in the holding pond, located approximately 30' from the end of the pond inlet, will be dammed. The water between the "neck" dam and the pond inlet will be pumped back into the holding pond, essentially dewatering the area from the "neck" to the inlet, during which time the CMP will be installed. The "neck dam" will then be removed. To date, a construction company has been chosen and work will begin once all permits and modifications are in hand; there is an anticipated start date of February 8, 2013. NCGC is requesting that these activities be authorized through issuance of a permit modification. By copy of this letter, we are also requesting the associated 401 Water Quality Certification be. modified as detailed in this application. A check in the amount of $240.00 is enclosed to cover the associated fees for the modification. We are appreciative of your time and assistance with this matter. If we can provide additional information to facilitate this modification, please contact Michael Wood with The Catena Group at 919- 732 -1300 (office) or 919 -417 -8027 (mobile). Sincerely, (1-� AVICA Carlos Goad Vice President, Human Resources Enclosure: Figure 1 M CC: Michael Wood HARM The Catena Group, Inc. • 410B Millstone Drive Hillsborough, NC 27278 i Karen Higgins NC DWQ, 401/Wetlands Unit 1650 Mail Service Center Raleigh, NC, 27699 -1650 ASLA CCIA David McHenry Mountain Region Coordinator Balsam Depot 20830 Great Smoky Mtn. Expy Waynesville, NC 28786 The Home of Dimensional Stone® T 13YINI �f r INT E STAGING / STOCK PILE AREA i Proposed Inlet Structure: / 36 inch CMP with Canal Gate - — K f -- � EXISTING � LIMITS JF DISTURBANC^ 30• CMP WITH CANAL GATE INTAKE RESERVOIR ' ON THE RIVER SIDE CKED WALL — INVERT ELEV. = 1013.6' D DAM RFMG VF. [lOULDERS IN THE r MAYBE n01; NOT ED M. AND LL'1T BANK INVERT $LE ATION —' INVERT ELEVATION INV�Rj EI ATK)N = 1013.0' INVERT ELEVATION =.A8121.6 lUrA'REA WITH BAR MATERIAL 1= MORE D TAiI `N PIP INSTALLATION SEE S E� 6 _ / The NCGC Permit Date: January 2013 Figure Modification Scale Catena 0 20 40 Feet Grou Proposed Inlet Structure I PJob No.: Surry County, North Carolina 1133