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HomeMy WebLinkAboutSW8900811_COMPLIANCE_20121115STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 Clio 811 DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION DOC DATE 2.p1211\5 YYYYMMDD i STATE OF NORTH CAROLINA Department of Environmental and Natural Resources 127 Cardinal Drive Extension Wilmington, North Carolina 28405 (910)796-7215 FILE ACCESS RECORD SECTION , !` } TIME/DATE NAME C.}�,4, ), �7 Cc Z,1 i ✓ REPRESENTING (pq3 A L L-4 L , Guidelines for Access: The staff of Wilmington Regional Office is dedicated to making public records in our custody readily available to the public for review and copying. We also have the responsibility to the public to safeguard these records and to carry out our day-to-day program obligations. Please read carefully the following guidelines signing the form: 1. Due to the large public demand for file access, we request that you call at least a day in advance to schedule an appointment to review the files. Appointments will be scheduled between 9:00am and 3:00pm. Viewing time ends at 4:45pm. Anyone arrivine without an appointment may view the files to the extent that time and staff supervision is available. 2. You must specify files you want to review by facility name. The number of files that you may review at one time will be limited to five. - 3. You may make copies of a file when the copier is not in use by the staff and if time permits. Cost per copy is 2.5 cents for ALL copies if you make more than 25 copies. There is no charge for 25 or less copies. Payment may be made by check, money order, or cash at the reception desk. Copies can also be invoiced for your convenience. 4. FILES MUST BE KEPT IN ORDER YOU FOUND THEM. Files may not be taken from the office. To remove, alter, deface, mutilate, or destroy material in one of these files is a misdemeanor for which you can be fired up to $500.00. No briefcases, large totes etc are permitted in the file review area 5. In accordance with General Statue 25-3-512, a $25.00 processing fee will be charged and collected for checks on which payment has been refused. FACILITY NAME COUNTY I ex CA r I N� s Ntl 2. 3. 4. 5. Signature and Name of Firm/Business Date Time In Time Out Please attach a business card to this form COPIES MADE 10 PAID INVOICE STATE OF NORTH CAROLINA Department of Environment and Natural Resources WIRO Regional Office FILE ACCESS RECORD SECTION SWP DATTIME % 4 1 E/ NAME Co °/ REPRESENTING Aeffiff-Ca Za"ll X'o /7/CT fie'? —f / 3S0 -OpLS TN XC Guidelines for Access: The staff of the Regional Office is dedicated to making public records in our custody readily available to the public for review and copying. We also have the responsibility to the public to safeguard these records and to carry out our day-to-day program obligations. Please read carefully the following before signing the form: 1: Due to the large public demand for file access, we request that you call at least a day in advance to schedule an appointment for file review so you can be accommodated. Appointments are scheduled between 9.00 a.m. and 3 00 p.m. Viewing time ends at 4 45 p.m. Anyone arriving without an appointment may view the files to the extent that time and staff supervision are available. 2. You must specify files you want to review by facility name or incident number, as appropriate. The number of files that you may review at one appointment will be limited to five. 3. You may make copies of a file when the copier is not in use by the staff and if time permits. There is no charge for 25 or less copies cost per copy after the initial 25 is 2.5 per copy. Payment is to be made by check, money order, or cash in the administrative offices. 4. Files must be kept in the order you received them. Files may not be taken from the office. No briefcases large totes etc are permitted in the file review area To remove, alter, deface, mutilate, or destroy material in public files is a misdemeanor for which you can be fined up to $500.00. 5. In accordance with GS 25-3-512, a $25.00 processing fee will be charged and collected for checks on which payment has been refused. 6. The customer must present a photo ID, sign -in, and receive a visitor sticker prior to reviewing files. FACILITY NAME COUNTY C/Ot9�NTY 2. 3- 4. Signature/Name of Firm or Business Date Time In. Time Out (Please attach business card to form if available). # Copes: Amt. Pd' STATE OF NORTH CAROLINA Department of Environment., Health, and Natural Resources 127 Cardinal Drive Extension Wilmington NC 28405-3845 910/395-3900 File Access Record SECTION k4 UNIMIDATE NAIME REPRESENTING M Guidelines For Access: The staff of the Wilmington Regional Office is dedicated to making public records in our custody readily available to the public for review and copying. We also have the responsibility to the public to safeguard these records and to carry out our day-to-day program obligations. Please read carefully the following guidelines before signing this form: 1. We prefer that you call at least a day in advance to schedule an appointment to review the files. Appointments will be scheduled between 9.00 a.m. and 3:00 p.m. Viewing time ends at 5:00 p.m. Anyone arriving without an appointment may view the files to the extent that time and staff supervision is available. 2. You must specify files you want to review by facility name. The number of files that you may review at one time will be limited to five. 3. You may make copies of a file when the copier is not in use by the staff and if time permits. Cost per copy is 10 cents: payment may be made by check monev order, or cash at the retention desk You can also be invoiced 4. FILES MUST BE KEPT IN THE ORDER YOU FOUND THEM Files may not be taken from the office. To remove, alter, deface, mutilate or destroy material in one of these files is a misdemeanor for which you can be fined up to $500.00. 5. In accordance with General Statute 25-3-512 a $20.00 processing fee will be charged and collected for checks on which payment has been refused. FACILITY NAME COUNTY 1. 2. 3. 4. 5. J t Q d�0.M.C.t ,t,A.� I f 'J�J n g i o <er' ny (-(— (�' 9 7 V U g- d J Signature & Name of Firm/Business Date Time In Time Out Please Attach a Business Card to This Form 12 c4 0 State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson Jonathan B. Howes, Secretary Regional Manager October 18, 1993 CERTIFIED MAIL P 364 976 509 RETURN RECEIPT REQUESTED Mr. Joe Jacobus, Managing Partner Marklaft Cabinets 2422 Castle Hayne Road Wilmington, North Carolina 28401 Subject: COMPLIANCE INSPECTION Marktaft Cabinets Stormwater Project No.(900811"1 New Hanover County Dear Mr. Jacobus: Please find attached a copy of the completed form entitled "Stormwater Compliance Inspection Report". The report summarizes the findings of a recent inspection of the project's stormwater controls conducted on September 16, 1993 to determine compliance with Stormwater Certification Number 900811 issued on December 12, 1990. A summary of the findings and comments are noted under Section 6 of the report. Appropriate action, if required, should be completed by November 18, 1993. Please inform this Office by letter when required action is completed. If you have any questions please contact me at the Wilmington Regional Office, telephone number (919) 395-3900. Sincerely, Linda Lewis Environmental Engineer DA/arl: S:\WQS\STORMWAT\INSPECT\900811.00T cc: Central Files Bradley Bennett (2) Linda Lewis 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone 919-395-3900 • Fax 919-350-2004 An Equal Opportunity Affirmative Action Employer `r- I 2. 3. STORMWATER COMPLIANCE INSPECTION REPORT Project Name: Markraft Cabinets Project Number: 900811 Control Measure: 90% Detention Pond Water Body: U.T. Northeast Cape Fear River Classification: C Sw Directions to site, address: U.S. 117 North past Spring Road. Project on the right. Inspection Date: September 16, 1993 Weather Conditions: Warm, sunny Comparison of Approved plans vs. As -Built: Slight modification that does not affect stormwater. 4. Maintenance Problems: 1. Slope stabilization has not occurred. 2. Need verification that the pond depth is at the design depth of 6.5'. The unstable side slopes may have caused excessive sediment build-up in the pond. 5. PE Certification Received? YES Deed Restrictions Received? N/A 6. Comments: 1. Please establish grass in the pond area and side slopes as specified in your letters to this Office dated August 14, 1991. 2. Please be aware that you are required to follow the maintenance plan as an approved part of the Stormwater Certification for this project. 3. Please verify that the depth of the pond is 6.5 feet. If it is not, pe the approved O & M plan, you must clean it out to the original design depth. Inspector: Linda Lewis Water Quality/Wilmington Regional Office/(919) 395-3900 DA/arl: SAWQS\STORMWAT\INSPECT\90081I.00T 1. a State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson Jonathan B. Howes, Secretary Regional Manager September 28, 1993 CERTIFIED MAIL P 364 976 501 RETURN RECEIPT REQUESTED Mr. Joe Jacobus, Managing Partner J N Devclopmcnt/Marlaft Cabinets Z -1 Castle Hayne Road Wilmington, North Carolina 28401 Dear Mr. Jacobus: OK 5 i n.-A rehvrrl eJ A4driss corrpr-4eJ $ res4r^t t0—(3-93 Subject: COMPLIANCE INSPECTION Markraft Cabinets Stormwater Project No. 900811 New Hanover County Please find attached a copy of the completed form entitled "Stormwater Compliance Inspection Report". The report summarizes the findings of a recent inspection of the project's stormwater controls conducted on September 16, 1993 to determine compliance with Stormwater Certification Number 900811 issued on December 12, 1990. A summary of the findings and comments are noted under Section 6 of the report. Appropriate action, if required, should be completed by October 7, 1993. Please inform this Office by letter when required action is completed. If you have any questions please contact me at the Wilmington Regional Office, telephone number (919) 395-3900. Sincerely, Linda Lewis Environmental Engineer DA/arl: S:\WQS\STORMWAT\INSPECT\900811.SEP cc: Central Files Bradley Bennett (2) Linda Lewis 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone 919-395-3900 • Fax 919-350-2004 An Equal Opportunity Affirmative Action Employer STORMWATER COMPLIANCE INSPECTION REPORT 1. Project Name: Markraft Cabinets Project Number: 900811 Control Measure: 90% Detention Pond Water Body: U.T. Northeast Cape Fear River Classification: C Sw Directions to site, address: U.S. 117 North past Spring Road. Project on the right. 2. Inspection Date: September 16, 1993 Weather Conditions: Warm, sunny 3. Comparison of Approved plans vs. As -Built: Slight modification that does not affect stonnwater. 4. Maintenance Problems: 1. Slope stabilization has not occurred. 2. Need verification that the pond depth is at the design depth of 6.5'. The unstable side slopes may have caused excessive sediment build-up in the pond. 5. PE Certification Received? YES Deed Restrictions Received? N/A 6. Comments: 1. Please establish grass in the pond area and side slopes as specified in your letters to this Office dated August 14, 1991. 2. Please be aware that you must follow the maintenance plan as an approved part of the Certification for this project. 3. Please verify that the depth of the pond is 6.5 feet. If it is not, perthe approved O & M plan, you must clean it out to the original design depth. Inspector: Linda Lewis *Zt- Water Quality/Wilmington Regional Office/(919) 395-3900 DA/arl: S:\WQS\STORMWAT\INSPECT\90081I.SEP 0 �g State of North Carolina Department of Environment, Health, and Natural Wilmington Regional Office James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Jonathan B. Howes, Secretary September 28, 1993 CERTIFIED MAIL P 364 976 501 RETURN RECEIPT REQUESTED Mr. ,Joe Jacobus, Managing Partner J N Development/Markraft Cabinets 1407 Castle Hayne Road Wilmington, North Carolina 28401 Resources Bob Jamieson Regional Manager Subject: COMPLIANCE INSPECTION Markraft Cabinets Stormwater Project No. 900811 New Hanover County Dear Mr. Jacobus: Please find attached a copy of the completed form entitled "Stormwater Compliance Inspection Report". The report summarizes the findings of a recent inspection of the project's stormwater controls conducted on September 16, 1993 to determine compliance with Stormwater Certification Number 900811 issued on December 12, 1990. A summary of the findings and comments are noted under Section 6 of the report. Appropriate action, if required, should be completed by October 7, 1993. Please inform this Office by letter when required action is completed. If you have any questions please contact me at the Wilmington Regional Office, telephone number (919) 395-3900. Sincerely, i Linda Lewis Environmental Engineer DA/arl: S:\WQS\STORMWAT\INSPECT\90081 LSEP cc: Central Files Bradley Bennett (2) Linda Lewis 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone 919-395-3900 • Fax 919-350-2004 An Equal Opportunity Affirmative Action Employer J STORMWATER COMPLIANCE INSPECTION REPORT I. Project Name: Markraft Cabinets Project Number: 900811 Control Measure: 90% Detention Pond Water Body: U.T. Northeast Cape Fear River Classification: C Sw Directions to site, address: U.S. 117 North past Spring Road. Project on the right. 2. Inspection Date: September 16, 1993 Weather Conditions: Warm, sunny 3. Comparison of Approved plans vs. As -Built: Slight modification that does not affect stormwater. 4. Maintenance Problems: 1. Slope stabilization has not occurred. 2. Need verification that the pond depth is at the design depth of 6.5'. The unstable side slopes may have caused excessive sediment build-up in the pond. 5. PE Certification Received? YES Deed Restrictions Received? N/A 6. Comments: 1. Please establish grass in the pond area and side slopes as specified in your letters to this Office dated August 14, 1991. 2. Please be aware that you must follow the maintenance plan as an approved part of the Certification for this project. 3. Please verify that the depth of the pond is 6.5 feet. If it is not, perthe approved O & M plan, you must clean it out to the original design depth. Inspector: Linda Lewis AIZL- Water Quality/Wilmington Regional Office/(919) 395-3900 DA/arl: S:\WQS\STORMWAT\INSPECT\900811.SEP V State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson Jonathan B. Howes, Secretary Regional Manager June 25, 1993 Mr. Joe Jacobus, Managing Partner J N Development 1407 Castle Hayne Road Wilmington, North Carolina 28401 Subject: COMPLIANCE INSPECTION Markraft Cabinets Stormwater Project No. 900811 New Hanover County Dear Mr. Jacobus: Please find attached a copy of the completed form entitled "Stormwater Compliance Inspection Report". The report summarizes the findings of a recent inspection of the project's stormwater controls conducted on June 21, 1993 to determine compliance with Stormwater Certification Number 900811 issued on December 12, 1990. A summary of the findings and comments are noted under Section 5 of the report. Appropriate action, if required, should be completed by July 25, 1993. Please inform this Office by letter when required action is completed. If you have any questions please contact me at the Wilmington Regional Office, telephone number (919) 395-3900. Sincerely, Linda Lewis Environmental Engineer DA/arl: S:\WQS\STORMWAT\INSPECT\90081LJUN cc: Central Files Bradley Bennett (2) Linda Lewis 127 Cardinal Drive Extension, wdmington, N.C. 28405-3845 • Telephone 919-395-3900 • Fax 919-350-2004 An Equal Opportunity Affirmative Action Employer 1 2. 3. 4. 5 STORMWATER COMPLIANCE INSPECTION REPORT Project Name: Markraft Cabinets Project Number: 900811 Control Measure: 90% Detention Pond Water Body: UT Northeast Cape Fear River Classification: C Swamp Directions to site, address: 2422 Castle Hayne Road Inspection Date: June 21, 1993, 4:00 pm Weather Conditions: Hot, partly cloudy Comparison of Approved plans vs. As -Built: Compared well Maintenance Problems: 1. A trash rack is needed as specified in the approved plans. 2. The south pond slope is very unstable and must be stabilized with Bermuda grass as outlined in the August 2, 1991 Notice of Violation. The pond appears to be neglected and is in need of general maintenance to improve appearance and function. 3. Please check the pond depth to assure that the design depth of 6.5 feet is maintained. The unstabilized slope has probably added a significant amount of sediment over the past 2 years. Comments: The pond is in need of general maintenance, a trash rack, and a depth check. Inspector: Linda Lewis N� r Water Quality/Wilmington Regional Office/(919) 395-3900 DA/arl: S:\WQS\STORMWAT\INSPECT\9008ll.JUN a State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James G. Martin, Governor Bob Jamieson William W. Cobey, Jr., Secretary December 5, 1991 Regional Manager DIVISION OF ENVIRONMENTAL MANAGEMENT Mr. Joe Jacobus, Managing Partner J. N. Development 2422 Castle Hayne Road Wilmington, North Carolina 28401 Subject: Compliance Status Stormwater Project No.900811 Marsh Cabinets New Hanover County Dear Mr. Jacobus: This letter is to advise you that the stormwater controls at Marsh Cabinets are considered by this Office to be in compliance with 15A NCAC 2H.1003. The conditions listed in the Notice of Violation issued August 2, 1991, have been satisfactorily addressed. Your cooperation in correcting the maintenance deficiencies which previously existed in the stormwater controls is appreciated. It is recommended that you maintain the detention pond and associated piping network in the existing condition by following the guidance provided in the Operation and Maintenance Plan which Robert M. Williams & Associates Consulting Engineers, have drawn up for the site. If you have any questions concerning this matter, please call Ms. Alexis Finn or me at (919) 395-3900. Sincerely, Dave Adkins Water Quality Regional Supervisor DA/AIF:900811.DEC cc: Sky Conklin -�--(2:)=Ms-=A1_exis-Finn Central Files 127 Cardinal Drive Extension, Wilmington, N.C. 2M5-3645 • Telephone 919-395-3900 • Fax 919-350-2004 An Equal Opportunity Affirmative Action Employer State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James G. Martin, Governor Bob Jamieson William W. Cobey, Jr., Secretary August 2, 1991 Regional Manager DIVISION OF ENVIRONMENTAL MANAGEMENT CERTIFIED MAIL RETURN RECEIPT REQUESTED Mr. Joe Jacobus, Managing Partner J. N. Development 1407 Castle Hayne Road Wilmington, North Carolina 28401 Subject: Notice of Violation Stormwater Project No.900811 J N Development/ Marsh Cabinets New Hanover County Dear Mr. Jacobus: On December 12, 1990, a Certification of Compliance with Stormwater Regulations, Number 900811, was issued to you for J N Development, presently named Marsh Cabinets, located at 1407 Castle Hayne Road, Wilmington, North Carolina, New Hanover County. On May 5, 1991, this Office requested that a professional engineer, registered in the State of North Carolina, provide a Certificate of Compliance with Stormwater Regulations or written notification which included the present phase of construction an the expected date of construction completion for the subject project. To -date our records indicate that a response not been received. As stated in the Certification of Compliance with Stormwater Regulations: A professional engineer must certify that the stormwater system has been installed in accordance with the approved plans and specifications upon completion of construction. . On July 12, 1991; Regional Office Staff conducted a compliance inspection of the subject project's stormwater facilities and found construction completed and the facility occupied. Inspection of the site revealed that the detention pond side slopes and the surrounding area has not been permanently stabilized. Additional, operation of the stormwater -Continued- 127 cardinal Drive Extension, Wilmington, N.C. 29405-3945 • Telephone 919-395-3900 • Fax 919-350-2004 An Equal Opportunity Affirmative Action Employer ' i J a Mr. Jacobus August 2, 1991 Page Two ------------- system prior to submission of the required certification is a violation of 15A NCAC 2H.1003(1) and is subject to enforcement action pursuant to NCGS 143-215.6,including assessment of civil penalties. Failure to provide the required Engineer's Certification and a "plan of action" (which designates the date by which the pond slopes will be permanently vegetated), prior to August 16, 1991 will result in appropriate enforcement action being initiated by this Office. The action may include a recommendation that the Stormwater Certification be revoked an/or a recommendation for the assessment of civil penalties. If you have any questions concerning this matter, please call Ms. Alexis Finn or Mr. Dave Adkins at (919) 395-3900. APH/aif:900811.NOV cc: Sky Conklin <- �s. Alexis_Finn—(.2) Bill Mills Central Files Sincerely, ungmal Signed By A. PRESTON HOWARQ jR A. Preston Howard, Jr., P.E. Regional Supervisor State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James G. t\4artin, Governor Bob Jamieson William W. Cobey, Jr., Secretary December 12, 1990 Regional Manager DIVISION OF ENVIRONMENTAL MANAGEMENT Mr. Joe Jacobus, Managing Partner J N Development 1407 Castle Hayne Road Wilmington, North Carolina 28401 Subject: Certification of Compliance with Stormwater Regulations Stormwater Project No. 900811 J N Development New Hanover County Dear Mr. Jacobus: This Certification is pursuant to the revised stormwater application for J N Development received on December 7, 1990. Based on our review of the revised project plans and specifications, we have determined that the stormwater control system complies with the Stormwater Regulations set forth in Title 15A NCAC 2H.1003(i). The runoff will be treated in a detention pond which is sized to achieve 90% reduction in Total Suspended Solids. This Certification shall be effective from the date of issuance until rescinded. The project shall be constructed and maintained in accordance with the final plans and specifications approved by the Wilmington Regional Office. A professional- engineer must certify that the stormwater system has been installed in accordance with the approved plans and specifications. The attached certification should be received by this Office within 30 days of completion of construction. Continued 7225 Wrightsville Avenue, Wilmintiaon, N.C. 28403-3696 • Telephone 919-2564161 • Fax 919-25Cr8�72 Mr. Jacobus December 12, 1990 Page Two -------------------- If you have any questions concerning this matter, please call Alexis Finn or me at (919) 256-4161. Sincerely, c— D e Adkins Water Quality Regional Supervisor Attachment DA/AIF: 900811.DEC cc: Robert Williams, Jr. Sky Conklin John Parker, DCM Bill Mills Alexis Finn Wilmington Regional Office Central Files DIVISION OF ENVIRONMENTAL MANAGEMENT Evaluation of Stormwater Treatment and Disposal System Draining to Waters Other Than Class SA PROJECT DATA Project Name: J N Development Project No.: 900811 Location (County, Township/Municipality, Address): 2422 Castle Hayne Road Wilmington, North Carolina 28401 New Hanover County Applicant Name: Mr. Joe Jacobus, Managing Partner Mailing Address: J N Development 1407 Castle Hayne Road Wilmington, North Carolina 28401 Submittal Date: December 7, 1990 Water Body Receiving Stormwater Runoff: UT Northeast Cape Fear River Classification of Water Body: "C" Swamp DETENTION POND EVALUATION 1. Yes No The design storage is for the runoff from all impervious surfaces resulting from 1-inch of rainfall and is located above the permanent pool. 2. Yes No The permanent pool is designed for 90% TSS removal. Therefore, no vegetative filter is required. 3. Yes No The runoff completely draws down to the permanent pool in 5 days, but not less than 2 days. 4. Yes No The mean depth of the permanent pool is a minimum of 3 feet. 5. Yes No The inlet structure is designed to minimize turbulence and short circuiting. 6. Yes No An appropriate operation and maintenance plan has been provided for the system. WET DETENTION POND EVALUATION CONTINUED 7. Yes No THIS PROJECT MEETS THE STORMWATER CONTROL REQUIREMENTS OF 15A NCAC 2H.1003 (g), (i), (k), and (1) (For Yes, 1 through 7 must all be circled Yes.) Brief Explanation: The detention pond has been designed to remove 90% TSS without a vegetative filter. The revision consists of relocating the detention pond and its associated piping. The side slopes will be earthen and cut at a 3:1, Horizontal:Vertical slope. DIVISION OF ENVIRONMENTAL MANAGEMENT SIGN -OFF Wilmington Regional Office Date Individual Evaluating Form/Plans �3,(�u,„ �► 19Po Date cc: Applicant/WiRO/Mills/CF ty Regional Supervisor a State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James G. Martin, Governor Bob Jamieson William W. Cobey, Jr., Secretary November 21, 1990 Regional Manager DIVISION OF ENVIRONMENTAL MANAGEMENT Mr. Joe Jacobus, Managing Partner J N Development 1407 Castle Hayne-Road Wilmington, North Carolina 28401 Subject: Certification of Compliance with Stormwater Regulations Stormwater Project No. 900907 J N Development New Hanover County Dear Mr. Jacobus: This Certification is pursuant to the application for J N Development received on August 17, 1990, with additional information received on November 19, 1990. Based on our review of the project plans and specifications, we have determined that the stormwater control system complies with the Stormwater Regulations set forth in Title 15A NCAC 2H.1003(i). The runoff will be treated in a detention pond which is sized to achieve 90% reduction in Total Suspended Solids. This Certification shall be effective from the date of issuance until rescinded. The project shall be constructed and maintained in accordance with the final plans and specifications approved by the Wilmington Regional Office. A professional engineer must certify that the stormwater system has been installed in accordance with the approved plans and specifications. The attached certification should be received by this Office within 30 days of completion of construction. Continued 7225 Wnghe ville Avmue, Wilmington, N.C. 2W3-3696 0 Telephone 919256-4161 0 Fax 919,256.8572 Mr. Jacobus November 21, 1990 Page Two -------------------- If you have any questions concerning this matter, please call Alexis Finn or me at (919) 256-4161. Sincerelyi\� ave Adkins Water Quality Regional Supervisor Attachment DA/AIF: 900811.NOV cc: Robert Williams, Jr. Sky Conklin John Parker, DCM Bill Mills Jim Herstine Alexis Finn Wilmington Regional Office Central Files DIVISION OF ENVIRONMENTAL MANAGEMENT Evaluation.of Stormwater Treatment and Disposal System Draining to Waters Other Than Class SA PROJECT DATA Project Name: J N Development Project No.: 900811 Location (County, Township/Municipality, Address): 2422 Castle Hayne Road Wilmington, North Carolina 28401 New Hanover County Applicant Name: Mr. Joe Jacobus, Managing Partner Mailing Address: J N Development 1407 Castle Hayne Road Wilmington, North Carolina 28401 Submittal Date: August 17, 1990 Water Body Receiving Stormwater Runoff Classification of Water Body: DETENTION POND EVALUATION UT Northeast Cape Fear River "C" Swamp 1. Yes No The design storage is for the runoff from all impervious surfaces resulting from 1-inch of rainfall and is located above the permanent pool. 2. Yes No The permanent pool is designed for 90% TSS removal. Therefore, no vegetative filter is required. 3. Yes No The runoff completely draws down to the permanent pool in 5 days, but not less than 2 days. 4. Yes No The mean depth of the permanent pool is a minimum of 3 feet. 5. Yes No The inlet structure is designed to minimize turbulence and short circuiting. 6. Yes No An appropriate operation and maintenance plan has been provided for the system. Continued WET DETENTION POND EVALUATION CONTINUED 7. Yes No THIS PROJECT MEETS THE STORMWATER CONTROL REQUIREMENTS OF 15A NCAC 2H.1003 (g), (i), (k), and (1) (For Yes, 1 through 7 must all be circled Yes.) Brief Explanation: The detention pond has been designed to remove 90% TSS without a vegetative filter. DIVISION OF ENVIRONMENTAL MANAGEMENT SIGN -OFF Wilmington Regional Office / / 190 Date Individual Evaluating Form/Plans 11 tI gY Date cc: Applicant/WiRO/Mills/CF t Quality Regional Supervisor Engineer's Certification 1, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/weekly/full time) the construction of the project, (Project) for the hereby state that, to (Project Owner) the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. Signature Registration Number Date