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SW7960702_HISTORICAL FILE_20200129
STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW DOC TYPE ❑CURRENT PERMIT ❑ APPROVED PLANS HISTORICAL FILE DOC DATE Q/ag YYYYMMDD ROY COOPER Governor MICHAEL S. REGAN Secretary S. DANIEL SMITH Director NORTH CAROLINA Fnvlronmenud Quaff y January 29, 2020 Mr. Charles E. Schulz, Deputy Facilities Officer MCAS Cherry Point PSC Box 8006 Cherry Point, NC 28533 Subject: Stormwater Permit Renewal Stormwater Management Permit SW7960702 MCAS Cherry Point A Street Parking Craven County Dear Mr. Schulz: A Division of Energy, Mineral, and Land Resources file review has determined that Stormwater Permit SW7960702 for a stormwater treatment system consisting of two infiltration basins serving A Street Parking expires on September 25, 2020. This is a reminder that permit renewal applications are due 180 days prior to expiration. We do not have a record of receiving a renewal application. Please submit a completed permit renewal application along with a $505.00 fee for permit renewal. Application forms for renewal can be found on our website at: haps- ,/fdeq.nc,gov/1bou Ldjyision f�nergy-mineral-land- resources /ener�r-mineral-land- r- es/stormwater�:.arQuramloost- nstruction. North Carolina General Statutes and the Coastal Stormwater rules require that this property be covered under a stormwater permit. Failure to maintain a permit subjects the owner to assessment of civil penalties. If you have questions, please feel free to contact me at (252) 948-3923. 1 will be glad to discuss this by phone or meet with you. If you would like, I can e-mail you a copy of the application form. You can request a copy by e-mailing me at roger.thorpe@ncdenr.gov. Sincerely, l Ro err Thorpe Environmental Engineer D�2� North Carolina Department of Environmental Quality I Division of Energy, Mineral and Land Resources _ Washington Regional Office 1 943 Washington Square Mall I Washington, North Carolina 27889 252.946,6481 Q�r W A rF9 Michael F. Easley, Governor `OCR QG William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources p .r Alan W. Klimek, P.E. Director Division of Water Quality DIVISION OF WATER QUALITY September 25, 2006 Mr, G. W. Radford Environmental Affairs Department Marine Corps Air Station Cherry Point PSG Box 8006 Cherry Point, NC 28533 Subject: Permit No. SW7960702 Renewal MCAS Cherry Point Street Parking High Density Stormwater Project Craven County Dear Mr. Radford: The Washington Regional Office received a completed Stormwater Renewal Application for the subject project on July 10, 2006. Staff review of the files and an on site inspection has determined that the project will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7960702 dated September 25, 2006 to Marine Corps Air Station, Cherry Point for two infiltration basins to serve A Street Parking located at building 154 on A Street at the Marine Corps Air Station in Cherry Point, NC. This permit shall be effective from the date of issuance until September 25, 2016 and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in future compliance problems. The issuance of this permit does not resolve any previous violations of the stormwater rules for construction without a permit. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 2769M714. Unless such demands are made this permit shall be final and binding. If you have any questions, or need additional information concerning this matter, please contact Roger Thorpe or me at (252) 946-6481. Ar erel. o egional Supervisor Surface Water Protection Section Washington Regional Office cc: Washington Regional Office Central Files North Carolina Division of Water Quality Internet: +vwwncivaterouality.org One 943 Washington Square ?tall Phone (252) 946-6481 NOrthCarohna Washington, NC 27889 Fax (252) 946-9215 ;Vatura!!y An Equal Opportunity/Affirmative Action Employer— 50% Recycled110% Post Consumer Paper .J State Stormwater Management Systems Permit No. SW7960702 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY 63T.-VIM"IMM � 1 11 a :. : � rl_ ►� : ul .I HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Marine Corps Air Station, Cherry Point "A" Street Parking Craven County FOR THE continued, operation and maintenance of stormwater management systems in compliance with the provisions of 15A NCAC 2H.1000 (hereafter referred to as the "stormwater rules`) and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit for two infiltration basins to serve "A" Street parking located at building 154 on A Street at the Marine Corps Air Station in Cherry Point, NC. This permit shall be effective from the date of issuance until September 25, 2016 and shall be subject to the following specified conditions and limitations: DESIGN STANDARDS 1. This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described on page 2 of this permit, the Project Data Sheet. 3. A maximum of 4.42 acres of built upon area is allowed. 4. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required easements, in accordance with approved plans. 5. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. DIVISION OF WATER QUALITY PROJECT DATA Project Name: "A" Street Parking Permit Number: SW7960702 Location: Craven County Applicant: MCAS, Cherry Point Mailing Address: PSC Box 8006 Cherry Point, NC 28533-0006 Application Date: 7/10/2006 Receiving Stream: UT to Slocum Creek Classification of Water Body: SC — NSW Total Impervious allowed: 4.42 ac Required Storage Volume: 9,185 cf basin A 3,560 cf basin F Provided Storage Volume: 19,085 cf basin A 7,600 cf basin F Controlling Orifice: overflow at elevation 18.7 ft 6. No homeowner/lot owner/developer shall be allowed to fill in, alter, or pipe any vegetative practices (such as swaies) shown on' the approved plans as part of the stormwater management system without submitting a revision to the permit and receiving approval from the Division. 7. The following items will require a modification to the permit: a. Any revision to the approved plans, regardless of size b. Project name change. C. Transfer of ownership d. ' .. Redesign or addition to the approved amount of built -upon area e. Further subdivision of the project area. In addition_ , the Director may determine that other revisions to the project should require a modification to the permit. 8. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. SCHEDULE OF COMPLIANCE The permittee will comply with the following schedule for construction and maintenance of the stormwater management system. a. The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surfaces except roads. b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. - 2. The facilities must be properly maintained and operated at all times. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals. 3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency including, but not limited to: a. Semiannual scheduled inspections (every 6 months) b. Sediment removal C. Mowing and revegetation of side slopes d. Immediate repair of eroded areas e. Maintenance of side slopes in accordance with approved plans and specifications f. Debris removal and unclogging of outlet structure, orifice device and catch basins. and piping. 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 6. Upon completion of construction and prior to operation of this permitted facility, a certification must be received from an appropriate designer for the system installed certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Mail the Certification to the Washington Regional Office, 943 Washington Square Mall, Washington, North Carolina, 27889, attention Division of Water Quality. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of five years from the date of the completion of construction: III. GENERAL CONDITIONS 1. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the.Division of Water Quality accompanied by an application fee, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. 2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in accordance with North Carolina General Statute 143- 215.6(a) to 143-215.6(c). 3. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other govemment agencies (local, state, and federal) which have jurisdiction. 4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. The permit may be modified, revoked and reissued or terminated for cause. The fling of a request for a permit modification, revocation and reissuance or termination does not stay any permit condition. 6. The Permittee, at least six (6) months prior to the expiration of this permit, shall submit in writing a.request for an extension along with appropriate application fee. Permit issued this the 25 th day of September, 2006. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION for Alan W. Klimek, P.E. Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7960702 o,, F WAr��.�F E., ©. Michael F. Easley, Governor :=.9 �=� ��� VLF� Oy`=pG� William G. Ross, Jr., Secretary JUL 0 20Q6 North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director -DWQ_WARO Division of Water Quality SURFACE WATER PROTECTION SECTION r COASTAL STORMWATER PERMIT RENEWAL APPLICATION FORM I. CURRENT PERMIT INFORMATION: , 1. Stormwater Management Permit Number: S�-taro o7oz 2. Permit Holder's name:_i! ,,J;, G-_—A 4 3. Signing official's name: Title:�j,rGrfxr��.s�{�j .� (person legally responsible for permit) QY tYP��t �oi!�t,HtC3�Gt rN`ecZ 4. Mailing address: AA6. EAQ,- Sic- GLw <�000 City: Cam„ ,A State:_ Zip Code : Ss33-ax,6 Phone: 2sz *,G- 4p1 FAX: 2:;z- 4 ( c - 2oo 0 (Area Code and Number) (Area Code and Number). 5. Project Name:—--iciAS-,r _ �1. �� _�►;r4 6. - Location of Project: Pro street address 1 ( ) -� IcA 7. Directions to Project (from nearest major intersection [r. }1c„�.�QI� .o ,ni ��4�;�,, A, - �gJ1� 70 �,.�I }X Alz\ A,-„_ AV .,V-_yzC__lo t . &6--, lol _ , .29 ,1 fir, Raa,Ahk ,p, A. rF-6-- R— e1114 D.N. a -6 n 0"Vo +'� Sl�ae� o Q,ax.,6 %,74 is o r,i s on H. PERMIT INFORMATION Specify the type of Stormwater treatment (wet pond, infiltration, etc.): wo S,r List any changes (from project that was originally approved, attach additional pages if needed) _ __ _ foie 3. Do you have a copy of the original Operation and Maintenance Agreement? YesZCNo Applicant's .Certification: I, (print) LV f pl-01Q0 certify that the information included on this permit renewal applicationAist hest of my knowledge, correct and complete. Signa#ur Date: 7` 7 Submit this Vcompled for along with an application fee of $420.00 and a copy of the designer's certification to the address listed below. North Carolina Division of Water Quality. 943 Washington Square Mail Phone (252) 946-6461 -Customer Service 1-877-623-5746 Washington Regional Office Washington, NC 27889 FAX (252) 946-9215 Internet: h2o.ennstate.nc.us One One Nor'olina thCai 1� An Equal Oppo*inity/Affirmative Action Employer - 50% Recycled110% Post Consumer Pacer J /1f1/11/7//// ��'i � °� j;�.; ,° DEPARTMENT OF THE NAVY OFFICER IN CHARGE NAVFAC CONTRACTS FACILITIES MCAS PSG BOX 8006 CHERRY POINT, NC 28533-0006 IN RE PLY REFER TO: 11000 ROD 12 Jan 1998 Dept of Environment, Health, and Natural Resources Division of Water duality Washington Regional Office 1424 Carolina Avenue Washington, North Carolina 27889 Subj: PERMIT NO. SW7960702, "A" STREET PARKING, MARINE CORPS AIR STATION, CHERRY POINT, NORTH CAROLINA Gentlemen: I, Hill J. Hendricks, as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe periodically the. construction of the project, "A" Street Parking, Marine Corps Air Station, Cherry Point, North Carolina for the Permittee hereby .state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of the approved plan and specifications. Signature Z'-,"'/Z/'�/Regis'trationNo. A/L� 0 Date /.3 <%a rl/979 Y UNITED STATES GOVERNMENT DEPARTMENT OF THE NAVY USMC AIRSTATION CYNTHIA M. IVES FOR -OFFICIAL USE ONLY 'MS GOVERNMENT TAX EXEMPT 4191001 53'4 117 4 =I Q [� Cif�. U V -- 1 NOT TO EXCEED.066,2500.00 CITIBANKUSA', N.A. WABLETHROUGH CITI BANK (SOUTH DAKOTA). N.A. 701 E. 60IH STREE�T� NORTH, SIOUXFALLS.5057t0< 6JJ05-331.2626 rP0"jG� f ba�a 11.0914 96491: 419000bS39B31160L 74 Mr. Bill Moore North Carolina . Environment 943 Washington Washington, NC Dear Mr. Moore: UNITED STATES MARINE CORPS MARINE CORPS AIR STATION POSTAL SERVICE CODE BOX 8003 CHERRY POINT, NORTH CAROLINA 28533-0003 Department of and Natural Resources Square Mall 27889 5090/29154 LN July 7, 2006 OFC JUL 'E 0 Z006 Attached for your review are the permit renewal applications for two infiltration ponds and one wet detention pond aboard Marine Corps Air Station (MCAS) Cherry Point. The two infiltration ponds were constructed to handle and treat stormwater from a parking lot located along installation's "A" Street and is permitted under State Stormwater Management Permit SW7960702. The detention pond located at the Branch Exchange was designed to handle and treat stormwater runoff from the facility's parking area and is permitted under State Stormwater Management Permit SW7960804. No modifications to the stormwater management systems have been made during the life of the permits. Attached as enclosure (1) is the permit renewal fee of $840.00 for State Stormwater Management Permits SW7960702 and SW7960804. The Professional Engineer Certificates for the State Stormwater Management Permits are attached as Enclosure (2) and enclosure (3) is the Coastal Stormwater Permit Renewal Application Forms provided by the North Carolina Department of Environment and Natural Resources Washington Regional Office. Enclosure (4) is the original Operations and Maintenance Plan that applied to all Stormwater Detention/Retention Ponds aboard MCAS Cherry Point during construction of these structures. 5090/29154 LN July 7, 2006 Thank you for your help.in this matter. If you have any questions or require additional information, please contact Mr. Daryle Tripp of the Environmental Affairs Department at 252- 466-5747. Sincerely, J. C�CLIN Supervisory Environmental Engineer By direction of the Commanding General Enclosures: 1. State Stormwater Management Permit renewal fee of $840.00 for State Stormwater Management Permits SW7960702 and SW7960804. 2. Professional Engineer Certificates for State Stormwater Management Permits SW7960702 and SW7960804. 3. Coastal Stormwater Permit Renewal Application Forms for State Stormwater Management Permits SW7960702 and SW7960804. 4. Operations and Maintenance Plan for all Stormwater Detention/Retention Ponds aboard MCAS Cherry Point. O�0. W A rEj9pG luficlnd F. Easley, Governor WM=m G. Roos Jr- Scordmy North C:rohim Departmeat of Enwoumaot acid NaWral Resources O 'C Alan W- laimac. PZ Director Divimon of Water Quality. May 3, 2006 Commanding General Environmerrt Affairs Dept PSC Box 8006 Cherry Point, NC 28538 Subject PERMIT RENEWAL Stormwater Permit No. SW 7950702 MCAS-A Street Parking Craven Dear Commanding General, The Division of Water Quality issued a Coastal Stommwater Management Permit, Number SW 7960702 to Commanding General Envirommnet Affairs Dept_ for MCAS-A Street Parking on 10/9/1996. This permit expires on 10/10/2006. Section .1003(h) of 15 A NCAC 2H .1000 (the storm later rules) requires that applications for permit renewals shall be submitted 180 days prior to the expiration of a permit and must be accompanied by a processing fee, which is currently set at $420.00. However, if your permit has already expired, you need to send in your application for renewal as soon as possible_ if this is still an active project please complete and submit the enclosed renewal application in a timely manner. If this project has not been constructed and a permit is no longer needed, please submit a request to have the permit rescinded. If you have sold the project, or are no longerthe permittee, please provide the name, mailing address and phone number of the person or entity that is now responsible for this permit Enclosed is a form for change of ownership, which should be completed and submitted if the property has changed hands. Your permit requires that upon completion of construction and prior to operation of the permitted treatment units a certification of completion be submitted to the Division from an appropriate designer for the system installed. This is to certify that the permitted facility has been installed in accordance with the permit, the approved plans, specifications and supporting documentation. Piease include a copy of the certification with your permit renewal request and processing fee. Enclosed is a copy of a sample certification. You should be aware that failure to provide the Designers Certification and the operation of a stormwater treatment facility without a valid permit, are violations of NC General Statute 143-215-1 and may result in appropriate enforcement action including the assessment of civil penalties of up to $10,000 per day. If you have any questions, please feel free to contact me or a member of the coastal stormwater staff with DWQ at 252-946-6481. ,Si L,�— �- ,AJ Hisor ery Surface Water Protection Section Washington Regional Office fl.t ,o _ >h- cc_ URS Consultants Inc. Washington Regional Office tiorthCarolina Division ofWaleQ( xWity- bAcme cte a�gtNo lllla 943 Wnon Squaw Mall Phone (252) 44G-6U I Washington. NC 27n9 Fax (252) 946-9215 lama lly state of North Carolina Department of Environment, Health and Natural Resources Washington Regional office James S. Hunt, Jr., Governor Jonathan B. Howes, Secretary DIVISION OF WATER QUALITY October 10, 1996 Environmental Affairs Dept, MCAS Attn: Mr. G.W. Radford PSC Box 8006 Cherry Point, NC 28533 Subject: Permit No. SW7960702 MCAS - A Street Parking High Density Stormwater Project Craven County Dear Mr. Radford: The Washington Regional Office received the completed Stormwater Application for the subject project on October 7, 1996. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7960702 dated October 10, 1996 to MCAS, Cherry Point, NC. This permit shall be effective from the date of issuance until October 10, 2006 and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in future compliance problems. If any parts, requirements, o permit are unacceptable, you h adjudicatory hearing upon written following receipt of this permit. of a written petition, conformin Carolina General Statutes, and Administrative Hearings, P.O. Draw Unless such demands are made th binding. g r limitations contained in this ave the right to request an request within thirty (30) days This request must be in the form to Chapter 150B of the North filed with the Office of er 27447, Raleigh, NC 27611-7447. is permit shall be final and 1424 Carolina Avenue, Washington, NC 27889 . An Equal Opportunity Affirmative Action Employer Telephone (919) 946-6481 FAX (919) 975-3716 50% recycled / 10% post -consumer paper Environmental Affairs Dept, MCAS October 10, 1996 Page Two If you have any questions, or need- additional information concerning this matter, please contact Bill Moore at (919) 946- 6481, extension 264. Sincerely, / Roget K. Tiforpe Water Quality Supervisor Washington Regional Office cc: URS Consultants Wraven County Inspections ashington Regional Office Central Files State Stormwater Management Systems Permit No. aW7960702 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws,.Rules, and Regulations PERMISSION IS HEREBY GRANTED TO MCAS, Cherry Point Craven County FOR THE construction, operation and maintenance of stormwater management systems in compliance with the provisions of 15A NCAC 2H.1000 (hereafter referred to as the "stormwater rules") and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit for two (2) infiltration basins to serve the "A" Street Parking Lot at MCAS, Cherry Point, NC. This permit shall be effective from the date of issuance until October 10, 2006 and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS 1_ This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described on page 4 of this permit, the Project Data Sheet(s). 3. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 3 DIVISION OF WATER QUALITY PROJECT DATA Project Name: "A" Street Parking Lot Permit Number: SW7960702 Location: Craven County Applicant: MCAS, Cherry Point Mailing Address: Environmental Affairs Dept PSC Box 8006 Cherry Point, NC 28533 Application Date: 7/8/96, original 10/7/96, complete Water Body Receiving Stormwater Runoff: Classification of Water Body: Total Impervious Surfaces Allowed: Required Storage Volume: Provided Storage Volume: Controlling Orifice: Slocum Creek SC 4.42 acres 9185 cf inf basin A 3560 cf inf basin F 19,085 cf inf basin A 7600 cf inf basin F 18.7 overflow elev 4 4. No homeowner/lot owner/developer shall be allowed to fill in, alter, or pipe any vegetative practices (such as swales) shown on the approved plans as part of the stormwater management system without submitting a revision to the permit and receiving approval from the Division. 5. The following items will require a modification to the permit: a. Any revision to the approved plans, regardless of size b. Project name change C. Transfer of ownership d. Redesign or addition to the approved amount of built -upon area e. Further subdivision of the project area. In addition, the Director may determine the other revisions to the project should require a modification to the permit. 6. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. II. SCHEDULE OF COMPLIANCE 1. The permittee will comply with the following schedule for construction and maintenance of the stormwater management system. a. The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surfaces except roads. b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 2. The facilities must be properly maintained and operated at all times. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals. 3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency including, but not limited to: 5 a. Semiannual scheduled inspections (every 6 months) b. Sediment removal C. Mowing and revegetation of side slopes d. Immediate repair of eroded areas e. Maintenance of side slopes in accordance with approved plans and specifications f. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping. 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 6. Upon completion of construction and prior to operation of this permitted facility, a certification must be received from an appropriate designer for the system installed certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Mail the Certification to the Washington Regional Office, 1424 Carolina Avenue, Washington, North Carolina, 27889, attention Water Quality Section. 7. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of five years from the date of the completion of construction. III. GENERAL CONDITIONS 1. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change to the Permittee, a formal permit request must be submitted to the Division of Water Quality accompanied by an application fee, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. 2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c). 3. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and federal) which have jurisdiction. M 4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 5. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and reissuance or termination does not stay any permit condition. Permit issued this the 10 th day of October, 1996. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION )--A. Preston Howard, Jr., P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7960702 7 MCAS, "A" Street Parking Lot Craven County Stormwater Permit No. SW7960702 Designer's Certification I, , 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, for (Project) (Project Owner) hereby state that to 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. Signatur Registration Number Date 8 RKEIVFD W;gSIJING-TON, OFFICE DIVISION OF ENVIRONMENTAL MANAGEMENT 1996 NORTH CAROLINA STORMWATER MANAGEMENT PERMIT APPLICATION HV M. I. GENERAL INFORMATION: 1. Project Name: "A" STREET PARKING LOT BETWEEN BLDGS 4224 & 4225 2. Project Location: (County, State Road, Address) ,All STREF' WAS CHERRY POINT, NORTH CAROLINA 3. owner's Name: COMMANDING GENERAL Phone:919--466-4674 4. Mailing Address: EA DEPT (LN), PSC BOX 8006,ATTN_ G. MCSMITH City MCAS CHERRY POINT State NC ZiP28533-0006 5. Application Date: JULY 8, 1996 Fee Submitted: $385.00 7. Nearest Receiving Stream:.SLOCUM CREEK ^T _ Class: Sr. 8. Project Description: CONSTRUCT NEW ASPHALT PARKING LOT BETWEEN BLDGS 4224 & 4225. NOTE: CHECK FOR $385 SUBMITTED BY URB -CONSULTANTS 7/SL96 II. PERMIT INFORMATION 1. Permit No. (will be completed by DEM) % 96 2. Permit Type: New Renewal Modification (existing permit no.) 3. Project Type: Low Density Detention Infiltration X Other 4. Other State/Federal Permits/Approvals Required: (Check appropriate blanks) X Sediment/Erosion Control CAMA Major 404 Permit III. PROJECT BUILT UPON AREA Classification Allowable Impervious Total Project Area Proposed Impervious % Impervious Area Drainage . Drainage Basin Basin 1-51 AC 2.06 AC Breakdown of Impervious Areas Buildings Roads Parking 10L1� Other Totals IV. STORMWATER TREATMENT (Describe how runoff will be treated): -A COMBINATION OF ,GRASS SWALES, EXTENDED QRY DETENTION BASIN/INFILTRA_j'_LO,iN JEENCH,_ANT) AN INFILTRATION BASIN WILL BE USED TO TREAT THE STORMWATER. V. DEED RESTRICTIONS AND PROTECTIVE COVENANTS Deed restrictions and protective covenants are required for all low density projects and all subdivisions prior to the sale of any lot. Please gee Attachment A for specific requirements. By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the items required by the permit, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the covenant cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot. OWNER'S CERTIFICATION I, G. W. RADFORD, BY DIRECTION OF THE COMMANDING GENERAL certify that the (Please print name clearly) information included on this permit application form is correct, that the project will be constructed in conformance with the approved plans, that the deed restrictions will be recorded with all required permit conditions, and that to -the best of my knowledge, the proposed project complies with the requirements of 15A NCAC 2H.1000. I authorize then below named person or firm to submit stormwater plans on my behalf. ., i ACTING ENVIRONMENTAL AFFAIRS OFFICER ure and Title AUTHORIZED AGENT Person or Firm Name: URS CONSULTANTS, INC. Mailing Address: 5606 B VIRGINIA BEACH BLVD City _VIRGINIA BEACH Phone: 757-499-4224 Date state VA zip23462 Please submit application, fee and plans to appropriate Regional Office. (see attached map) -2- L,-/ U-- DEPARTMENT OF THE NAVY OFFICER IN CHARGE NAVFAC CONTRACTS FACILITIES MCAS PSC BOX 8006 CHERRY POINT, NC 28533-0006 Dept of Environment, Health, and Natural Resources Division of Water Quality Washington Regional Office 1424 Carolina Avenue Washington, North Carolina 27889 WASHPIVGTa��D OFFICE JAN 1 6 1998 &PLY REFER TO: 11000 ROD 12 Jan 199E Subj: PERMIT NO. SW7960702, "A" STREET PARKING, MARINE CORPS AIR STATION, CHERRY POINT, NORTH CAROLINA Gentlemen: I, Hill J. Hendricks, as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe periodically the construction of the project, "A' Street Parking, Marine Corps Air Station, Cherry Point, North Carolina for the Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of the approved plan and specifications. Signature/ - / Registration No. _/G33 0 D ate /3,/4,✓?V SENT BY: URS GREINER INC; 10- 7-9E 9:24AM; 17574798214 => 9199753716; #1/2 URS Greiner A PROFESSIONAL_ SERVICES ORGANIZATION URS Greiner 66062 VIRGINIA BEACH BLVD, EXECUTIVE COVE CENTER VIRGINIA BEACH, VA 23462-5631 (804) 499-4224 FAX 11304) 473-8214 FACSIMILE TRANSMITTAL Date: October 4, 1996 "I Page, Including Cover Sheet FAX TO: William J. Moore FAX PHONE NUMBER: 919-975-3716 ADDRESS: 1424 Carolina Avenu© Washington, NC 27889 PHONE NUMBER: 919-948-64$1 FROM: Melanie Grissom COMMENTS; Cherry Point, 'A' Street Parking Lot, Minor Scope Modifications Attached is the drawing of the proposed scope modifications. The total new asphalt removed from the Scope of work is 1900 square yards. There will not be any modifications to the stormwater management basins, resulting in a more conservative design. Please lot me know if you have any questions or if you need anything else. IF YOU HAVE ANY PROBLEMS RECEIVING THIS FAX, PLEASE CALL ME AT (804) 499-4224 ,5ENT BY: URS GREINER INC; 10. 7-96 9:24AM; 17574738214 9199753716; $2/2 ir L « r 387 ONVIRkno 1 j UNITED STATES MARINE CORPS \\` MARINE CORPS AIR STATION ff ) CHERRY POINT, NORTH CAROLINA 28533.5Wl North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management Washington Regional Office Water Quality Section Attn: Mr. William J. Moore 1424 Carolina Avenue Washington, NC 27889 Dear Mr_ Moore: 11000196587 LN 21 Aug 96 RFcEtvFp FGIcE ViMSHINGTON O AUG 2 3 1996 �. L■ Enclosed is the revised Stormwater Permit Application Package for MCAS Cherry Point Project CP6088R, "A" Street Parking Lot. The permit fee of $385.00 was submitted on July 8, 1996 by URS Consultants, Inc., the project designers. Thank you for visiting the site during your recent trip to the Air Station. If you have further questions about this project, please contact Mr. Gary McSmith of the Environmental Affairs Department at (919) 466-4674. You may also contact Ms. Melanie Grissom of URS Consultants, Inc. at (757) 499-4224 if you wish to discuss the project specifics with the design firm. Sincerely, F Acting Environmental Affairs Officer By direction of the Commanding General Encl., (1) "A" Street Parking Lot, Project CP6088R Narrative (2) "A" Street Parking Lot, Project CP6088R Plans Copy to: URS Consultants, Inc. 5606-B Virginia Beach Blvd VA Beach, VA 23462 4: DIYISIOU or =V tao3awfuL MUMONKWZ noa= CANA DM 9202N AM mar APPLICAnom 1. Project Names `/—\ 2. Project Location: (County, State Road, Address RECEIVER WASHINGTON OF IGE JUL a 81996, LDS M1}���� c�?t'r �l�r►•�„ G�`r���� 4-G--+717 3. Owner's Name: Phone: C1 Ic - "CP Ca- LA-7 D 4. Mailing Address: _A-,X�p :iz—Tpz1�\CnIA City n StateG 3. Application Date: \�1S\tee Submitted: 7-2) , S✓ 7. Nearest Receiving Stream: S l_O CCU t-A C : EE K Class: 8. Project Description: _Cd n-,-J _'L )C t `Pc�c �<;\ (1c �— II. PERMIT IDWORMATIO![ 1. Permit No. (will be completed by DF.M) : �U`' f fo` 0 7 o �-- 2. Permit Type: V New Renewal Modification (existing permit no.) 3. Project Type: Low Density Detention Infiltration Other 4. Other State/Federal Permits/Approvals Required: (Cheappropriate blanks) Sediment/Erosion Control CAMA Major 404 Permit III. PROJECT BUILT UPON AREA classification Allowable Impervious Total Project Area Proposed Impervious % Impervious Area Drainage Drainage Basin Basin S� 30 7o 3 51 mac. - , o cp 1� � V �Yn�6v�✓ram.- ��6 ��!% Breakdown -of _Impervious_Areas_ Buildings Roads Parking _ I 001-1)- other Totals Ye, Si t . I 7:— 7-Le G `74VIP A 71v 111 ' r .70 reu 13, !g - 6� v ° 7 zv . /B 7 Q.r c Olev . Za. I l� 4 S_S f S �d ��-� •— r` _� LIZ ( r iV. mw=twxMM TRZA2MW (Describe how runoff will be treated) t \rV e!i -Vc sz �'crn c as'vc r- V V. DEED REMICTICKS AND P;tio?EM" C0VEtraM Deed restrictions and protective covenants are required for all low density projects and all subdivisions prior to the sale of any lot. Please see Attachment A for specific requirements. By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the items required by the permit, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the covenant cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot. OWNER'S CMaIFICATIGO 2�11xT7cf)_-41P�\\\-1E C2aps— _ - _ certify that the (Please print name c(early) information included on this permit application form is correct, that the project will be constructed in conformance with the approved plans, that the deed restrictions will be recorded with all required permit conditions, and that to the best of my knowledge, the proposed project complies with the requirements of 15A NCAC 28.1000. i authorize the below named person or firm to submit stormwater plans on my AUTHORIZED AGENT Person or Firm Name: Mailing Address: r� LV City �E�.�C "' \ State �/ ZipZ_ 3t-ltgz Phone : ,C i L`\_ \_._`�1CL-- tA-a Z! - Please submit application, fee and.plans to appropriate Regional office. (see attached map) -2- FINANCIAL RESPONSIBILITY/MNMMIP FORM 1 SBDI]CENTATION POLLMION CONTROL ACT No person may initiate.a land -disturbing activity on one or score acres as covered by the Act before this form and an acceptable erosion and sedimentation control plan have been completed and approved by the Land Quality Section, N.C. Department of environment, Health, and Natural Resources. (Please type or print And if question is not applicable, place N/A in the blank). Part A. 1. Project Nasser 2. Location of Land -disturbing activity: County: CAV N City or Township C N) t� `+ NPQ and Highway/Street' N 3. Approximate date Land -disturbing activity will be comenceds 01 co a. Purpose of development (residential, commmixcial, etc.) C l 5. Total acreage disturbed or uncovered (including off -site borrow and waste areas): Acres. 6. Ansot,snt of fee enclosed. $ \1C�. o0 7. Has an erosion and sedimentation control plan been filed: Yes so Enclosed 8. Person to contact should sediment control .issues arise during land - disturbing activity. Name: -� L Telephone : ��.�_L�2{ 9. Landownex(s) of Record (use blank page to list additional owners) Name(s) LP. S i �xT \rj" Current bailing Address Current Street Address QS `yt- city State Zip city State Zip 10. Recorded in Deed Book page no. t �- D Part B. 1. Persons) or firm(*) who are financially responsible (paying the bills) for this land -disturbing activity (Use a blank page to list additional persons or firms) Name of person(s) or Pirm(s) l'�8 SAP r - P� [ r Mailing Address Street Address G �� yiNtge2yu�ti 1jiG z533 - �%�`�o� City State Zip City State Zip WC Telephone: � 533 (OVER) Telephone: 9. (a) If the Financially Responsible Party is not a resident of Borth Carolina give name and address of a North Carolina Agent. Name Mailing EMOSS Street ess City state Zip City State Zip Telephone: 3. (b) If the Financially Responsible Party is a Partnership or other person engaging in business under an assumed name, attach 'a copy of the certificate of assumed name. if the financially Responsible Party is a Corporation give name and street address of the Registered Agent. Nase of Registered Agent `jCc,O(152y/� Mailing Address Street Address IZE c V\ VA '2-?- urn City State Zip City State Zip Telephone: - �qq�Z L The above information is true and correct to the best of my knowledge and belief and was provided by me'under oath. (This form =at be signed by the financially responsible person if an individual or his attorney -in - fact or if not an individual by an officer, director, partner,' or registered agent with authority to execute instruments for the financially responsible person). I agree to provide corrected information should there be any change in the information provided herein. or print Title or Aut r t -716 122 �� s ture Date s aa�za aassma�aaaa=saaaaaaasassa:aaaasaaassa�aas�aaasaasssasaaaaaaaaaaanaass I, , a Notary Public of the of ¢t- 41feA State of ,'hereby certify that itt./ EJ appeared personally before me this day and b g duly sw rn acknowledged that the above form was ex cuted by him. [f� Witness my hand and not is sei;� , This g day of 19 r G Notary; 1!y commis a ires - % d SEAL State of North Carolina Department of Environment, Health and Natural Resources Washington Regional Office James B. Hunt, Jr., Governor Jonathan 8. Howes, Secretary DIVISION OF WATER QUALITY August 13, 1996 Commanding General . Attn: Mr. W.M. DePriest Bldg 198, Stop 1 MCAS, Cherry Point, NC 28533 Dear Mr. DePriest: WW'D Aff Subject: Application No. SW7960702 MCAS "A" Street Parking Craven County The Washington Regional Office acknowledges receipt of your permit application and supporting information on July 8, 1996. This application has been assigned the number listed above. A preliminary review of your project has been completed. The following additional information is needed before a permit can be issued: - application signed by proper authority (1) additional copy of plans; full size; sheet #Is T-1, C 1-4 narrative description of stormwater control measures, including pre & post -development conditions copy of operation and maintenance agreement The above information must be submitted within 30 days, or your application will be returned as incomplete. If you have questions, please feel free to contact me at (919) 946-6481, extension 264. S i ncer-ely, IN _ William J. Moore Environmental Engineer Washington Regional Office cc: URS Consultants 4Washington Regional Office 1424 Carolina Avenue, Washington, NC 27884 Telephone (919) 946-6481 FAX (919) 975-3716 An Equal Opportunity Affirmative Action Employer 50% recycled / 10% post -consumer paper URS CONSULTANTS, INC. PACE ........... of .... - ..... . SHEET HM . I.... of .. t 0 .... . PROJECT .. ? .. .. [��\fir �!�Ct.�nl .G�...(. L\C7.`r./�.................. . ... . .. Joe Ko. 4 Z ?- ! .i .7, -1. SUBJECT .... MADE BYAV.Z. DATE &-j07.1 q& X�l ........................................................................ CHKO.BY .......DATE. REF_ PAGE a .00 nc ci�> O.CIO S 9-4 R.53 ac, Q�)_. 7LA o . Qom --rracoor C - ---0. -7c) ac @ o .8CD �E,x ��r .'�o_'P•n.)PvG�� -_. ao__a.c @ �, SEX►ST. 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SUBJECT . .57�.C)-.RM\tqkl-E.'W?- lam.1F- MADE BY[ W-U8. DATE711 1%. .............. ........................ ............. .......... CHKO. EFY ....... DATE ........ REF DIE: PAGE - k m) hr ) L-3Y;kc-\-% '%t5 ) �(=r-- C���e6 U\-Qc�rr pk.3> = 60% vu % c I -A 8015� —480 �t �Ao CvAlr I'z ---2. BB aalkA -1 C) -n-a n -ZlF 'aa. vq (0900� cz o-Ho C. (DO 0-0\0 1-5H Vvz\ e o. k k c) -\�L C5 t4 0 0 Lk r o1 ez URS CONSULTANTS, INC. PAGE . - - - . Or ........... SHEET No..'A... or< ..1Q ..... . PROJECT .....5�.....�t P�.t2.� ..N< Vit-1 G ... L 5-t............ . .. . .......... .roe No. ...... SUBJECT..15. T 2r VJ.1'W-4CCN—Z r....i,.�Ak-�AG-:M-�T....... KADEwn}.wE-7:1.11q[o :..................................................... CHKQ. BY . DATE . ............. 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IMM _ , ..... . r�P�1Q k A PAGE V � i U of so Rational Formula ---------------- Area Number C Area (ac) CA 1 0.740 2.530 1.872 2 0.800 0.-960 0.768 3 0.800 0.700 0.560 - / Weighted Totals: 0.764 4.190 3.206 Time of concentration= 10 min Period Intensity Peak Flow (years) ------- (in/hr) --------- (cfs) --------- 2 4.60 14.72 5 5.30 16.96 10 6.00 19.20 25 6.90 22.08 5Q 7.50 24.00 100 8.20 26.24 Hydrograph Time of concentration =10.0 min Storm duration =10.0 min Time Q2 Q5 Q10 Q25 -Q50 Q100 (min) (cfs) (cfs) (cfs) (cfs) (cfs) (cfs) 0.0 0.00 0.00 0.00 0.00 0.00 0.00 5.0 7.36 8.48 9.60 11.04 12.00 13.12 10.0 14.72 16.96 19.20 22.08 24.00 26.24 15.0 13.49 15.55 17.60 20.24 22.00 24.05 20.0 12.27 14.13 16.00 18.40 20.00 21.87 25.0 11.04 12.72 14.40 16.56 18.00 19.'68 30.0 9.81 11.31 12.80 -14.72 16.00 17.49 35.0 8.59 9.89 11.20 12.88 14.00 15.31 40.0 7.36 8.48 9.60 11.04 12.00 13.12 45.0 6.13 7.07 8.00 9.20 10.00 10.93 50.0 4.91 5.65 6.40 7.36 8.00 8.75 55.0 3.68 4.24 4.80 5.52 6.00 6.56 60.0 2.45 2.83 3.20 3.68 4.00 4.37. 65.0 1.23 1.41 1.60 1.84 2.00 2.19 70.0 0.00 0.00 -0.00 0.00 0.00 0.00 ! yr Iv * ROUT VERSION 5.4 ** PROJECT: A STREET BASIN ABC 10YR ** DATE: 7/2/1996* ****************************************************************************** (Types: 1:Weir; 2:Pipe; 3:Riser) Structure 1 1: Type 1: Weir Weir: 2: Elevation (ft) 20.19 3 : Length (ft) 6.00 4: Coefficient 3.00 Riser: 5: Elevation (ft) 21.10 6: Inlet Area (sf) 6.13 7: Inlet Perimeter (ft) 14.00 8: Orifice Elevation (ft) 0.00 9: Orifice Diameter (in) 0.00 10: Orifice Elevation (ft) 0.00 11: Orifice Diameter (in) 0.00 12: Orifice Elevation (ft) 0.00 13: Orifice'Diameter (in) 0.00 Pipe: 14: Invert Elevation (ft) 0.00 15: Diameter (in) 0.00 16: Orifice Diameter (in) 0.00 17: Length (ft) 0.00 18: Manning's n 0.000 19: Slope (ft/ft) 0.000 20: Entrance Loss Coefficient . 0.0 Surface: 21: Initial Elevation (ft)- 17.00 Storage Pond Characteristics: Section Elevation Area (ft) (sq ft) ------------------------------ 1 16.71- 0.00 2 17.00 500.00 3 18.00 2200.00 4 19.00 _ 4120.00 5 20.00. 6750.00 6 21.00 10950.00 Time Inflow Weir Total Elev Storage (min) (cfs) (cfs) (cfs) (ft) (cu ft) ----------------------------------------------------- 0.0 0.00 0.0 0.00 17.00 0.00 5.0 9.60 0.0 0.00 18.01 1',433.86 10.0 19.20 0.0 0.00 19.22 5,'761.19 15.0 17.60 0.0 0.00 20.18 11,224.00 20.0 16.00 7.1 7.07 20.73 15,202.49 25.0 14.40 11.8 11.78 20.94 16,949.40 30.0 12.80 12.7 12.72 20.98 17,277.42 35.0 11.20 12.2 12.16 20.96 -17,082.24 40.0 9.60 11.1 11.11 20.91 16,710.65 45.0 8.00 9.7 9.75 20.85 16,219.80 50.0 6.40 8.3 8.28 20.79 15,672.13 55.0 4.80 6.8 6.78 20.71 15,088.75 60.0 3.20 5.3 5.28 20.63 14,473.89 65.0 1.60 3.8 3.81 20.55 13,823.18 (Calculated) URS CONSULTANTS, INC PROJECT .. \ `- ..r�� .s-�. �..`-�a�J .. S�.OT........-.T...... . ..� SUBJECT ..�. -1 .�.� � �.���....�i��1.���i.�..� • A- . _ ... . f.............................................................................. PAGE.......aa.... OF ........... SHEET NO...5-J .. OF.. IQ .... . Jos NO. y L4 �...1.0....... MADE BY . ..23.D ATECO��Tl- !ta CHID. BY ....... DATE ........ REF. PAGE INS1L-r2)C�AZT 1c) •l _ZA� I1`1V 11 S\-rF- — - 0 . ':4 Y O I uMr -- 3 _Wh i Ch t S _ GOYlSiS end -,- hr _-- _ .� , _ �t�1� _ ILA-_�lO�t`� _ _.W 1 L, _ V2t 1t�. Irk �Clr-�l I�•�L Rational ---------------- Formula Area Number C Area (ac) CA 1 0.730 0.980 0.715 Weighted Totals: 0.730 0.715 .0.980 Time of concentration= 10 min Period Intensity Peak Flow (years) (in/hr) (cfs) 2 4.60 3.29 5 5.30 3.79 10 6.00 4.29 25 6.90 4.94 50 7.50 5.37 100 8.20 5.87 Hydrograph ----------- Time of concentration =10.0 min Storm duration =10.0 min Time Q2 Q5 Q10 Q25 Q50 Q100 (min) (cfs) (cfs) (cfs) (cfs) (cfs) (cfs) 0.0 0.00 0.00 0.00 0.00 0.00 0.00 5.0 1.65 1.90 2.15-----2.47- 2.68 2.93 10.0 3.29 3.79 4.29 4.94 5.37 5.87 15.0 3.02 3�48 3.93 4.52 4.92 5.38 20.0 2.74 3.16 3.58 4.11 4.47 4.89 25.0 2.47 2:84 3.22 3.70 4.02 4.40 30.0 2.19 _2.53 2.86 3.29 3.58 3.91 35.0 1.92 2.21 2.50 2.88 3.13 3.42 40.0 1.65 1.90 2.15 2.47 -2.68 2.93 45.0 1.37 1.58 1.79 2.06 2.24 2.44 50.0 1.10 1.26 1.43 1.65 1.79 1.96 55.0 0.82 0.95 1.07 1.23 1.34 1.47 60.0 0.55 0.63 0.72 0.82 0.89 0'.98 65.0 0.27 0.32 0.36 0.41 0.45 0.49 70.0 0.00 0.00 0.00 0.00 0.00 0.00 r 10 of V3 * ROUT VERSION 5.4 ** PROJECT: A STREET BASIN F 10YR ** DATE: 6/30/1996* ****************************************************************************** (Types: 1:Weir; 2:Pipe; 3:Riser) Structure 1 1: Type 3: Riser weir. 2: Elevation (ft) 0.00 " 3: Length (ft) 0.00 4: Coefficient 0.00 Riser: 5: Elevation (ft) 21.80 6: Inlet Area (sf) 6.13 7: Inlet Perimeter (ft) 14.00 8: Orifice Elevation (ft) 0.00 9: Orifice Diameter (in) 0.00 10: Orifice Elevation (ft) 0.00 11: Orifice Diameter (in) 0.00 12: Orifice Elevation (ft) 0.00 13: Orifice Diameter (in) 0.00 Pipe: 14. Invert Elevation (ft) 18.73 15: Diameter (in) 18.00 16: OrificeiDiameter (in) 18.00 17: Length (ft) 100.00 18: Manning's n 0.013 19: Slope (ft/ft) 0.005 20': Entrance Loss Coefficient 0.6 Surface: 21: Initial Elevation (ft) 19.00 Storage Pond Characteristics: Section Elevation Area _ (ft) (sq ft) j------------------------------- 1 17.84 0.00 2 19.00 1075.00 3 20.00 2000.00 4 21.00 3010.00 5 22.00 4350-00 Control: RW = Riser acting as a weir RO = Riser acting as an orifice PI = Horizontal pipe in inlet control PO = Horizontal pipe in outlet control Time -Inflow Riser Total Elev Storage (min) ----------------------------------------------------- (cfs) (cfs) Acfs) (ft) (cu. ft) 0.0 0.00 0.0 0.00 19.00 0.00 5.0 2.15 0.0 0.00 19.27 330.67 10.0 4.29 0.0 0.00 19.86 1,284.80 15.0 3.93 0.0 0.00 20.42 2,508.97 20.0 3.58 0.0 0.00 20.85 3,644.88 25.0 3.22 0.0 0.00 21.18 4,671.11 30.0 2.86 0.0 0.00 21.46 5,597.88 35.0 2.50 0.0 0.00 21.69 6,412.99. 40.0 2.15 0.5 RW 0.49 21.85 7,018.48 45.0 1.79 1.9 RW 1.88 21.92 7,288.78 50.0 1.43 1.6 RW 1.62 21.91 7,246.03 55.0 1.07 1.3 RW 1.28 21.89 7,184.73 60.0 0.72 0.9 RW 0.94 21.87 7,118.46 65.0 0.36 0.6 RW 0.60 21.86 7,045.44 (Calculated)