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SW8960509_HISTORICAL FILE_19961104 (2)
STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 C)V o5 o �j DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS 9 HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE I(l°I In IIOL+ YYYYMMDD State of North Carolina Department of Environment, Health and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director November 4, 1996 Commander William C. McKerall, USN c/o Commanding General Camp Lejeune MCAS Attn: S-4 Facilities Plan PSC Box 21001 Camp Lejeune, North Carolina 28545-1001 Subject: Permit No. SW8 960509 MCAS Bachelor Enlisted Quarters High Density Commercial Stormwater Project Onslow County Dear Commander McKerall: The Wilmington Regional Office received the Stormwater Management Permit Application for MCAS Bachelor Enlisted Quarters on May 6, 1996, with final information on October 15, 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. SW8 960509 dated November 4, 1996, for the construction of MCAS Bachelor Enlisted Quarters. This permit shall be effective from the date of issuance until November 4, 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, or limitations contained in this permit are unacceptable, you have the right to request an ajudicatory 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, P.O. Drawer 27447, Raleigh, NC 27611-7447. 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 Linda Lewis, or me at (910) 395-3900. Jim Bushardt, P.E. Acting Regional Water Quality Supervisor JBB/arl: S:\WQS\STORMWAT\PERMIT\960509.NOV cc: C. Allen aamfonh, P.E. Sharon Jennings, Onslow County Inspections Linda Lewis Wilmington Regional Office Central Files P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-5083 FAX 919-733-9919 An Equal Opportunity Affirmative Action Employer State Stormwater Management Systems Permit No. SW8 960509 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 Commander William C. McKerall, Camp Lejeune MCAS MCAS Bachelor. Enlisted Quarters Onslow County FOR THE construction, operation and maintenance of a Detention Pond in compliance with the provisions of 15A NCAC 2H A000 (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. This permit shall be effective from the date of issuance until November 4, 2006 and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS 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 3 of this permit, the Project Data Sheet. The stormwater control has been designed to handle the runoff from 200,376 square feet of impervious area. 3. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 2 Project Name: Permit Number: Location: Applicant: c/o Commanding General Mailing Address: State Stormwater Management Systems Permit No. SW8 960509 DIVISION OF WATER QUALITY PROJECT DATA SHEET MCAS Bachelor Enlisted Quarters 960509 Onslow County Commander William C. McKerall Application Date: Water Body Receiving Stormwater Runoff: Classification of Water Body: If Class SA, chloride sampling results: Pond Depth: Permanent Pool Elevation: Total Impervious Surfaces Allowed: Green Area entering Pond: Required Surface Area: Provided Surface Area: Required Storage Volume: Provided Storage Volume: Temporary Storage Elevation: Controlling Orifice: Camp Lejeune MCAS Attn: S-4 Facilities Plan PSC Box 21001 Camp Lejeune, North Carolina 28545-1001 May 6, 1996 New River "SC NSW HQW" N/A 4 feet 14.37 MSL 200,376 square feet 140,263 square feet 14,744 square feet 13,000 square feet 16,447 cubic feet 17,226 cubic feet ^ 15.6 MSL 2" pipe 3 State Stormwater Management Systems Permit No. SW8 960509 4. The tract will be limited to the amount of built -upon area indicated on page 3 of this permit, and per approved plans. 5. The permittee is responsible for verifying that the proposed built -upon area does not exceed the allowable built - upon area. 6. 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. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. In addition, the Director may determine that other revisions to the project should require a modification to the permit. 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. H. 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 it's entirety, vegetated and operational for it's intended use prior to the construction of any built -upon surface 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 permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in it's entirety and maintenance must occur at the scheduled intervals 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. g. Access to the outlet structure must be available at all times. 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. 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. State Stormwater Management Systems Permit No. SW8 960509 Upon completion of construction, prior to issuance of a Certificate of Occupancy, 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. Any deviations from the approved plans and specifications must be noted on the Certification. 6. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of ten years from the date of the completion of construction. III. GENERAL CONDITIONS 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 enforcement action by the Division of Water Quality, 215.6(a) to 143-215.6(c). contained in this permit may subject the Permittee to in accordance with North Carolina General Statute 143- 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. 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 permittee grants DEHNR Staff permission to enter the property for the purpose of inspecting all components of the permitted stormwater management facility. 6. 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 4th day of November, 1996. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION A. Preston Rward, Jr., P.E., Director Division o ater Quality By Authorily of the Environmental Management Commission Permit Number SW8 960509 State Stormwater Management Systems Permit No. SWS 960509 MCAS Bachelor Enlisted Quarters Stormwater Permit No. SW8 960509 Onslow County 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, for (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. Noted deviations from approved plans and specification: S ignature Registration Number Date (' n. DZ7ISION OF ENPIRGWW1TAL MANAGEMENT NORTE CAROLIMA STORMKATER MANAGEMENT PERMIT APPLICATION X. GWM9 L I2WOR3UMON: 1. Project Name: BACHELOR ENLISTED QUARTERS 2. Project Location: (County, State Road, Address) MARINE CORPS AIR STATION ONSLOW COUNTY 3. owner's Name :COMMANDING OFFICER ATTN: S-4 FACILITIES PLAN Phone: 910-451-6518 4. MailingAddress: MCAS. NEW RIVER, PSC BOX 21001 City JACKSONVILLE State NC yip28545-1001. S. Application Date: 03-13-96 Fee submitted: $385.00 tiaw 7. Nearest Receiving Stream: NEW RIVER Class: SC NSW e. Project Description: CONSTRUCT TWO NEW BACHELOR ENLISTED QUARTERS, PARKING AND ASSOCIATED UTILITIES. II. PERMIT 1. Permit No. (will be completed by DEM) : 2. Permit Type: X New Renewal Modification (existing permit no.) 3. Project Type: Low Density X Detention Infiltration other 4. other State/Federal Permits/Approvals Required: (Check appropriate blanks) X Sediment/Erosion Control cAMA Major 404 Permit III• PROJECT BUILT UPON AREA Drainage Drainage Basin Basin Classification sc kowk)SW Allowable Impervious -3byD Total Project Area 7.82 Proposed Impervious 4.60 8 Impervious Area 59 Breakdown. of Impervious Areas Buildings 0.90 Ac Roads 0,41 Ac Parking 2.67 Ac Other 0.62 Ac Totals 4.60 xv. S=FXKL=R '"ems"' 9= (Describe how runoff will be treated) : A WET DETENTION POND WITH CONTROLLED OUTFALLS FOR WATER QUALITY AND QUANTITY DISCHARGED OVER A VEGETATIVE FILTER. 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 retarded 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 _ CDR W.J. BEARY certify that the (Ptesae print name steady) information included an this permit application fora is correct, that the project will be constructed in conformance with the approved plans, that the deed rsstrictions will be recorded with all requred permit conditions, and that to the best of my Sclowledge, the proposed project complies with the requirements of 15A NCAC 2H.1000. I out rite a below named person or fL= to submit stormwater plans` on my behalf. Coy C�(63kf -- RESIDENT OFFICER IN C R E OF CONSTRUCTION �I A(��lL I996 AU=0RIZED AGENT Person or Firm Name: C. ALLAN BeLM-FORTH JR., ENGINEER -SURVEYOR, Ltd. Mailing Address: City NORFOLK Phone: (804)627-7079 P.O. BOX 6377 VA 23508 State Zip Please submit application, fee and plans to appropriate Re ional�Office. " ( see attached map) P g 1 jl E C. E i V E =- MAY 0 61996 D PROJ N M S" MAINTENANCE OF STORMWATER MANAGEMENT AND EROSION CONTROL STRUCTURES All permanent and temporary stormwater management and erosion control structures will be maintained by the Contractor during construction. ARer construction is complete, the temporary erosion control measures will be removed by the Contractor and the permanent stormwater management pond will become the responsibility of the Facilities Maintenance Officer, MCB Camp Lejeune. INSPECT AFTER EVERY RUNOFF PRODUCING RAINFALL EVENT: 1. Orifice - Remove any clogging debris. 2. Trash Rack - Remove trash accumulation. 3. Pond Side Slopes - Repair eroded areas, remove trash. INSPECT QUARTERLY: 1. Catch Basins - Remove trash 2. Inlet Piping - Repair undercutting, remove interior trash, replace riprap. 3. Grass Swales - Repair and reseed eroded areas, remove'trash. 4. Vegetated Filter - Repair and reseed eroded areas, INSPECT SEMI-ANNUALLY (EVERY 6 MONTHS): 1. Pond Depth - Sediment shall be removed when it -accumulates to a depth of approximately one foot. 2. Check main outlet pipe for debris. GENERAL MAINTENANCE NOTES: I. Mow side slopes regularly. Encourage cattails along the perimeter of the pond, but do not allow to cover the entire surface area. 2. The orifice must be visible after 5 days without rain. If it is not, unclog immediately by removing trash, debris, and sediment. ----------- ----- Facilities Maintenance Officer By direction of the Commanding General ----- STORININT p E C E 1 V E MAY 0 61996 D OCT 15 1996 nzuepRr ' �� � " ; C.ALLAN BAMFORTH� JR. ENGINEER -SURVEYOR, LTD. OFFICE: MAILING : ADDRESS:.' 2207 HAMPTON BLVD. ; T.O. BOX 6377 NO' 'OLK, VA 23517 NORFOLK, VA 23508 PtION6: (757)'627-7079 FAX'(757)625-7434 --L"ETTr7raFTWANSMITTAL DATE: October 14, 1996 JOB NUMBER: 95.024 ATTN: LINDA LEWIS RE: BEQ, MARINE CORPS AIR STATION, NEW RIVER, N.C. TO: STATE OF NORTH CAROLINA DEPT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES WILMINGTON REGIONAL OFFICE DIVISION OF WATER QUALITY WATER QUALITY SECTION 127 CARDINAL DRIVE EXTENSION WILMINGTON, N.C. 28405-3845 WE ARE SENDING YOU N Attached ❑ Under separate cover via TIME FOLLOWING ITEMS: ❑ Shop Drawings ❑ Prints ❑ Plans ❑ Samples ❑ Specifications ❑ Copy of Letter ❑ Change Order ® Other COPIES DATE NO. DESCRIPTION 1 LETTER 1 CALCULATIONS 2 DRAWINGS THESE ARE TRANSMITTED as checked below: ® For Your Use ❑ As Requested ❑ For Approval ❑ For Review & Comment COPY TO: SIGNED: Richard E. Garriott. P.E. C. ALLAN BAMFOR-M, JR. ENGINEER - SURVEYOR, LID. October 11, 1996 State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office Division of Water Quality Water Quality Section 127 Cardinal Drive Extension Wilmington, N.C. 28405-3845 Attn: Linda Lewis Re: Bachelor Enlisted Quarters, Marine Corps Air Station, New River, N.C. Stormwater Project No. SW8 960509 (95.024) Dear Ms. Lewis: C. ALLAN BAMFORTH, JR., PE., L.S. RICHARD E. GARRIOTT, P.E. E C E I V E OCT 1.51996 D D E M PROJN In response to your letter of September 18, 1996 we have revised drawings C-14 and C-16 for the subject project to provide details of the vegetative filter and level spreader. We are enclosing two copies of the revised drawings along with calculations. call us. Should you have any questions or require additional information please do not hesitate to Sincerely, Richard E. Garriott, P.E. cc: Bill George, Kroskin Design Group w/encl. 2207 HAMPTON BOULEVARD P.O. BOX 6377 NORFOLK, VIRGINIA 23508 TELEPHONE (804) 627-7079 FAX (804)625-7434 - - 5oza ------------------------ ._ ..._� U37- µ StATro� .r State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James B. Hunt, Jr. DIVISION OF WATER QUALITY Jonathan B. Howes Governor WATER QUALITY SECTION Secretary September 18, 1996 Mr. Scott Stamm C. Allen Bamforth, Jr., Engineer -Surveyor Post Office Box 6377 Norfolk, Virginia 23508 Subject: ADDITIONAL INFORMATION Stormwater Project No. SW8 960509 Bachelor Enlisted Quarters Onslow County Dear Mr. Stamm: The Wilmington Regional Office received previously requested information for the Stormwater Management Permit Application for Bachelor Enlisted Quarters on September 3, 1996. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: In order to permit this project, a vegetated filter detail MUST be provided on the plans. A simple note giving seeding specifications does not indicate how the filter will be constructed. Will it need to be graded, or are you planning on utilizing natural ground? Regardless, a FLOW SPREADER MECHANISM must be shown to provide even distribution of the runoff over the width of the filter. Sufficient width to promote a non -erosive flow for the 10 year storm must be provided. The pond is designed to remove 85 % TSS, therefore, the vegetated filter is an integral part of the functioning of the system, and must be designed carefully. I have enclosed a partial copies of the Best Management Practices Guidance Document, and the NC Sedimentation Manual for your reading pleasure. 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone 910-395-3900 • Fax 910-350-2004 An Equal Opportunity Affirmative Action Employer Mr. Stamm September 18, 1996 Stormwater Project No. SW8 960509 Please note that this request for additional information is in response to a preliminary review. The requested information should be received by this Office prior to October 18, 1996, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. If you have any questions concerning this matter please feel free to call me at (910) 395-3900. JBB/arl: cc: Sincerely, in Ms. Linda Lewis Environmental Engineer S: \W QS\STORMW AT\ADDINFO\960509. SEP Linda Lewis Central Files C. ALLAN BAMFORTH, JR. ENGINEER - SURVLYOR, LAID. August 27, 1996 State of North Carolina Department of Environment, Health and Natural Resources Division of Water Quality Water Quality Section 127 Cardinal Drive Extension Wilmington, N.C. 28405-3845 Attn: Linda Lewis Re: Additional Information - Stormwater Project No. SW8960509 Bachelor Enlisted Quarters Onslow County (95.024) Dear Mr. Lewis: 1996: 19! SEP 0 `q lQar; IJ 9k C. ALLAN BAMFORTH, JR., P.E., L.S. RICHARD E. GARRIOTT, P.E. The following information has been provided based on your comments dated August 12, The forebay elevations and details have been provided on C-SK-2 per an amendment to be issued for this project. 2. The 15.6 contour has been provided on sheet C-SK-2 per an amendment to be issued for this project. The vegetative filter has been revised and site notes added to further clarify this feature. Due to the revisions; no detail has been included. 4. The dimensions of the permanent pool appear on sheet C-3 and C-5. They are 65' X 200'. 2207 HAMPTON BOULEVARD P.O. BOX 6377 NORFOLK, VIRGINIA 23508 TELEPHONE (804) 627-7079 FAX (804) 625-7434 Page 2 August 27, 1996 State of North Carolina Department of Environment, Health and Natural Resources Division of Water Quality Water Quality Section 127 Cardinal Drive Extension Wilmington, N.C. 28405-3845 Attn: Linda Lewis Re: Additional Information - Stormwater Project No. SW8960509 Bachelor Enlisted Quarters Onslow County (95.024) Four (4) copies of the amendment have been included and shall become part of the previously submitted plans and permit application. If you have any further questions, please contact us immediately. Sincerely, Scott Stamm, E.I.T. SS/sc Bachelor Enlisted Quarters Contract Drawings: ADD the following sketches to the list of drawings. These sketches accompany this amendment. C-SK-1 and C-SK-2 The following NAVFAC Drawing has been revised 08/26/96 and the revised drawing accompanies this amendment: 4335653 1. NAVFAC DRAWING Nos. 4335642, 4335644, 4335647, 4335649 a. This drawing is MODIFIED by the attached sketch C-SK-2. 2. NAVFAC Drawing No. 4335653 a. DELETE this drawing in its entirety and ADD the attached NAVFAC Drawing No. 4335653 revised 08/23/96. 3. NAVFAC Drawing No. 4335654 a. DELETE the oil/water separator on this drawing and ADD the oil/water separator shown on C-SK-1. b. CHANGE the three (3) inch orifice to a two (2) inch orifice in the discharge structure AN C. The Forebay Dam Section is MODIFIED by sketch C-SK-2. Division 02 - SITEWORK - Add the following section "02050 DEMOLITION AND REMOVAL." This section, which is to be added to the specifications, accompanies this amendment. TaMYER D E C E I V E SEP 031996 D D PROJ # O7J"I State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James B. Hunt, Jr. DIVISION OF WATER QUALITY Jonathan B. Howes Governor WATER QUALITY SECTION Secretary August 12, 1996 Mr. Richard Garriott C. Allen Bamforth, Jr., Engineer -Surveyor Post Office Box 6377 Norfolk, Virginia 23508 Subject: ADDITIONAL INFORMATION Stormwater Project No. SW8 960509 Batchelor Enlisted Quarters Onslow County Dear Mr. Garrion: The Wilmington Regional Office received previously requested information for the Stormwater Management Permit Application for the Batchelor Enlisted Quarters on July 19, 1996. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. On which sheethas the forebay contour information been provided? 2. On which sheet has the 15.6 contour been delineated and labelled? 3. On which sheet has the detail for the vegetated filter been provided? 4. On which sheet have you provided the dimensions of the permanent pool? I am unable to verify surface area and storage requirements until this is provided. �2 712 \ q 1 Sq 'S /5 y� w IL 0 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone 910-395-3900 • Fax 910-350-2004 An Equal opportunity Affirmative Action Employer Mr. Garriott August 12, 1996 Stormwater Project No. SW8 960509 Please note that this request for additional information is in response to a preliminary review. The requested information should be received by this Office prior to September 12, 1996, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. If you have any questions concerning this matter please feel free to call me at (910) 395-3900. Sincerely, Ms. Linda Lewis Environmental Engineer DA/arl: S:\WQS\STORMWAT\ADDINFO\960509.AUG cc: Linda Lewis Central Files 2 C. ALLAN BAMFORTH, JR. ENGINEER - SURVEYOR, LAID. July 15, 1996 State of North Carolina Department of Environment, Health, and Natural Resources Division of Environmental Management Water Quality Section 127 Cardinal Drive Extension Wilmington, N.C. 28405-3845 Attn: Linda Lewis Re: Stormwater Project No. SW8 960509 Bachelor Enlisted Quarters P-584 (95.024) Onslow County Dear Ms. Lewis, C. ALLAN BAMFORTH, JR., PE., L.S. RICHARD E. GARRIOTT, PE. o E 1-,:,07,V17 JUL 19 19% ----------------------- S T '%Uli I E C E I V E JUL 1 91996 D PROJ S.�.V_� b� We have revised the stormwater permit application as requested by your comments dated May 23, 1996. We are submitting four revised copies for review. The following are responses to your comments. 1. 13.37 is the top of the dam for the Forebay P.P.E.=14.37. 2. Will comply. 3. Will comply. 4. Will comply. 5. Will comply. 6. Will comply. A two inch orifice will be used. If you have any questions, please contact us immediately. Sincerely, �9�r— Scott Stamm, E.I.T. 2207 HAMPTON BOULEVARD P.O. BOX 6377 NORFOLK, VIRGINIA 23508 TELEPHONE (804) 627-7079 FAX (804)625-7434 STORMWATER MANAGEMENT FOR BACHELOR ENLISTED QUARTERS PROJECT P-584 NEW RIVER, NORTH CAROLINA SUBMITTED BY: ATLANTIC DIVISION NAVAL FACILITIES ENGINEERING COMMAND NORFOLK, VIRGINIA 1'40"T4' • �.�;�<�r `t� ,: is ... rr„ , .. r,.lc �rili PREPARED BY: C. ALLAN BAMFORTH, JR. ENGINEER —SURVEYOR, LTD. NORFOLK, VIRGINIA JULY 10,1996 STORMWATER MANAGEMENT FOR BACHELOR ENLISTED QUARTERS NEW RIVER, NORTH CAROLINA OWNER COMMANDING OFFICER MARINE CORPS AIR STATION NEW RIVER, NORTH CAROLINA D E C E I V E JUL 1.91996 D PROJ # �ti�SO APPROVED NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DIVISION OF ENVIRONMENTAL MANAGEMENT Dalo� /UUV ig `16 PREPARED BY: StormwatarCeNliaknN6�/_ 050q C. ALLAN BAMFORTH, JR. ENGINEER -SURVEYOR, LTD. P.O. BOX 6377 NORFOLK, VIRGINIA 23508 STORMWATER MANAGEMENT PLAN BACHELOR ENLISTED QUARTERS NEW RIVER, NORTH CAROLINA Table of Contents 1. Narrative 2. Supporting Calculations 3. Stormwater Permit Application 4. Maintenance Agreement 5. Drawings BACHELOR ENLISTED QUARTERS NEW RIVER, NORTH CAROLINA STORMWATER MANAGEMENT NARRATIVE This project includes the construction of two new bachelor enlisted quarters, parking areas, and the associated utilities. The proposed site is currently undeveloped and a significant portion of the lot is wooded. Every effort will be made to preserve as many trees as possible without compromising design standards. The total site area is 7.82 acres, with 4.60 acres of impervious surface. The stormwater management plan will consist of a stormwater detention pond to serve all developed areas of the site and a storm sewer system to collect this runoff. The runoff from the existing road will be rerouted at the southern portion of the site to maintain the existing drainage pattern. The detention pond will be located on the south side of Douglas Road and will serve as a water quality structure as well as control the quantity of post -development runoff. The pond was designed in accordance with the North Carolina Design of Stormwater Control Facilities Manual for wet detention basins with a vegetative filter. The detention pond will discharge into the existing drainage canal southwest of the site. —._ PFI�CILSCt 2 ( � ROAD n 41 _ r.iar icy A � 5 r^ A i Ac rVCe�rQr,r ------ 4Eifi.QSC. 9_.iZEEP___0A51_N -__--- 5A/DA % FOR s9% ,A I/EGA�-r-ATiVE -A/7.62Ac_ c.(0575 :u Y_�;' ..'7.-. /�gt.�;tr' .;.>-'Sn!'�I „'i.'j ., . `, f:r{!1-:. .._.. _ 3'r: N.:.} i✓ �}-.. _ -- %z I.J.A7-EZ Pool_ycZl = 2uNOFF c�pM I iiJCH QI•= RAIn1=A) I nVEiZ TFiE S'17-1= !2El-P4G.=-'� Q�ZO x_Q.OB..Er_- / l�LZZsF��075 cr- /4QT/a.3S cG.GA=r c O. ;7,O cr - --- - --- POST --DEJELOP1 ° —Z$ Z _A -.---- C - -Z%Z-a1!t 1 _ Iq 371 _. ._. _-------------. i5. - ----------- - i t TABLE 6.1 Runoff Coefficients for Different Land Use Types (from: ASCE. 1970. Design and Construction of Sanitary and Storm Sewers, with permission). DescrlpUcn of Area Runoff Coefficients Business Downtown 0.70 to 0.95 Neighborhood 0.50 to 0.70 Residential Single-family 0.30 to 0.50 Muiti-wits, detached 0.40 to 0.60 Multi -units, attached 0.60 to 0.75 Residential (suburban) 0.25 to 0.40 Apt 0.50 to 0.70 Industrial Light 0.50 to 0.90 Heavy 0.60 to 0.90 Other Parks, cemeteries 0,10 to 0.25 Playgrounds 0.20 to 0.35 Railroad yard 0.20 to 0.35 Unimproved 0.10 to 0.30 TABLE 6.2 Runoff Coefilclents with Respect to Surface Type (from: ASCE. 1970. Design and Construction of Sanitary and Storrs Sewers, with permission). Character of Surface Runoff Coefficients Pavement Asphalt and concrete. 0.70 to 0.95 Brick 0.70 to 0.85 Roofs 0.75 to 0.95 Lawns, Sandy Soil Flat, 2 percent 0.05 to 0.10 Average, 2 to 7 percent 0.10 to 0.15 Steep, 7 percent 0.15 to 0.20 Lawns, Heavy Soil Flat, 2 percent 0.13 to 0.17 Average, 2 to 7 percent 0.18 to 0.22 Sleep, 7 percent 0.25 to 0.35 107 0 FIG. / S /. / 1000 S00 35 S00 700 600 30 500 V Paved 9 400 z 25 a- .s 300 .7 Ecre 200 Scii _ 20 Pacr -' z Crass < J Surface w I I Averace G_.4 z 0.5 z U- Z Grass I co SurrCCe 0 - w I.Q Q 15 90 _ a �j- SQ Dense Crass 20 C 7 0 z 5.0 z �- 60 I \tea � J Q / IC) CD50 �' 20 C w 40 z U �� 30 9 w z 1 w_ z � 8 _ 20 7 10 5 OVERLAND FLOWN TIME i REPRINTED W17H PERMISSICN FRCM DATA BOOK FOR O7VIL ENGINEERS' VOL. I- p8S1GN 2Mo E0I710N (1951) BY EESEE='_YE 1-I3 E ,;LOCATION: ar DATE: .. ENGINEER SURVEYOR STORMCRECXEO YCL ACTUA- - DESIGN COMPUTATIONS'/Kim wrjm MEMO ram gym..........:-�ne�ammmm �ee�.� m = Mm_MEN ---_-_----_m--___ SHEET I OF � 2 ._' _F'X•ZL' _ • • _ 'Up cut=t) or DATE: ENGINEER SURVEYOR STORM SEWER 13ESIGN COMPUTATIONS' ME FA 18J17 ®� • • • / �� • • • 1 • C•d'S�IfF1R7LRr-f-/�,�I:���®�®�I����L��S��I� • �• �� L•SliJl[dV1miI�f7_—[�f■MY a ® Ii mm��������m • 1 • r 1 • --= I r mImm �®�[d7� _-_-_�__�-_----_®�/�_-__- 5MEET ?_OF= • \ C L 1 \ 1ENGINEER SURVMR S SHEET 3_OF--�tL F�NDED i9A9 On St®rmwater Control Fadlffies.:::= A Workshop Sponsored by Water Quality Section, N. C. Division of Environmental Management and the Professional Engineers of No, h Carolina May 4, 1988 1 Professional Eng'neers of North Carolina 4000,Wake Forest Road, Suite'108 --'Raleigh, North Carolina'27509 �n(419�'8,7r.2� o OF �06.83 SS y 6�TARp'RMwW'VT^1 A i1 �" YNt!•r?�n `a ^F' �.. ``'ri.0 OW CHART 3 NORTH CAROLINA COASTAL REGIONS SA/DA PERCENTAGES FOR WET DETENTION BASINS ❑ESIGNED TO REMOVE 85% TSS (1" STORM) SA/DA % For Basin Depths Impervious % 3 Ft 3.5 Ft 4 Ft 5 Ft 30 2.5 2.2 1.9 L.6,_ 40 3.4 3.0 2.6 2..a- 50 4.2 3.7 3.2 2..7 60 5.0 4.5 3.8 _ 3.2 70 6.0 5.2 4.5 3..7 SO 6.8 6.0 5.2 4.2 90 7.5 6.5 5.2 .4.8 CHART 4 SA/DA PERCENTAGES FOR WET ❑ETENTION BASINS DISCHARGING DIRECTLY TO A STREAM (HENCE NO VEGETATIVE FILTER, POST -DEVELOPMENT DISCHARGE RATE - PRE -DEVELOPMENT RATE FOR 10 YEAR STORM) SA/DA % For Basin Depths Impervicus % 3. el Ft 3.5 Ft 4_Ft 5.-Ft. 6 Ft 30 3.5 3 2.7 2.2 40 4.5- 4- 3.5- 2.8 50 5.6 - 5 - 4.3 . 3.5 60 7.0 6 5.3 4.3 70 B.1 7 6.0. 5.0 SO 9.4 e 7.0 5.7 90 10.7 9 7.9 6.5 1.6 2.1 2.7 3.4 3.9 4 ..6 Interpolate intermediate values SA/DA % = surface area basin/drainage area to basin x lr ..-_ ��.•�.-rL,: �., t: tee:....: _.. ... ..... - Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:26:34 02-14-1996 MODIFIED RATIONAL METHOD ---- Graphical Sunnary for Maxiaam Required Storage ---- New River BEQ's Pre -Development Hydrograph .rr..m..r...m..r.mmm.»m»»..m..rr�.........em».mr ` I . • RETURN FREQUENCY: 10 yr Allowable Outflow: 20.00 cis ` 'C' Adjustawxnt: 1.000 Required Storage: 0.000 ac-it ` I . ` STORM DURATION = Tc for Max.Storage r--------------------------------------------------------------------♦ ` Inflow .HTD stored: 95024PRE.HYD r.rsr...mr»»»m.r»».rr..r.rr»»r»r.»rrrrr»rrrrrrrrrrrr»» ALLOWABLE OUTFLOW = OR > PEAK FOR TC: REQUIRED VOLUME = 0 NO MODIFIED RATIONAL HYDROGRAPH WAS STORED FOR STORM FREQUENCY = 10 yr Quick TR-55 Ver.5.44 S/M:1315430019 Executed: 16:26:34 02-14-1996 New River BEQ's Pre -Development Hydrograph * * * * * * SUNi(ARY OF RATIONAL METHOD PEAK DISCHARGES * * * * * * 10=ad! *C* I *A Where: 0=cfs, C--Weighted Runoff Coefficient, I=in/hour, A=acres adj = 'C' adjustment factor for each return frequency RETURN FREQUENCY = 10 years `C' adjustment, k = 1 Adj. 'Cl = Wtd.'C' x 1 Subarea Runoff Area I Tc Wtd. Adj. I Total Peak Q Descr. 'C' acres (min) 'C 'C' in/hr acres (cfs) -------------------------- I-------------- II----------------------- I____-_-- pre-develop 0.200 7.82 ---------- I-------------- II----------------------- I__-_---- 90.00 0.200 0.200 1.900 7.82 2.97 Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:26:34 02-14-1996 M•rH»f HHHIHHrfyyf»ffM»H•Hr•!»•••HH•f••••Hrrf f•ff»f»» 1f f1M1f•r.M11'IfHfH1f•HfH'ff/f»1rf»rf11Hf11M•f•f!••»•••f!1'!f• f r ' MODIFIED RATIONAL METHOD • ---- Grand Su—ry For AIL Stofm Frequencies ---- ` . r r ! r»ff»r»r»r»»•!»»rHHH•»»»»H»r»rrlm»rf»r:r..»f»»f HrrHf»!t•f1H111H•Mfr»frrfff•fff •»f•ff•lflffH•••!!H»»1rrH!! First peak outflow point assuoed to occur at inflow recession leg. New River SEQ's Pre -Development Hydrograph Area = 7.82 acres Tc = 90.00 minutes ................................................... VOLUMES Frequency Adjusted Duration Intens. Qpeak Allowable Inflow Storage (years) ------------------------------------------------------ 'C' minutes in/hr cfs cis (ac-ft) (ac-ft) 10 0.200 90 1.900 2.97 20.00 --------------------- 0.000 0.000 Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:26:34 02-14-1996 MODIFIED RATIONAL METHOD ---- Summary for Single Storm Frequency ---- First peak outflow point assumed to occur at inflow recession leg. New River BEQ's Pre -Development Hydrograph RETURN FREQUENCY: 10 yr 'C' Adjustment = 1.000 Allowable Q - 20.00 cis ............................................................................ Hydrograph file durati onp 0.00 minutes Hydrograph file: 95024PRE.HYD Tc - 90.00 minutes . .............................. .... .... ..... VOLUMES Weighted Adjusted Duration Inters. Areas Qpeak I Inflow Storage `C' ...................................................... 'C' minutes in/hr acres cis (ac-ft) (ac-ft) 0.200 0.200 90 1.900 7.82 2.97 I...............----.. Qallow = or > Qtc F L 0 w c f s Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:27:06 02-14-1996 MODIFIED RATIONAL METHOD ---- Graphical Summery for Maximum Required Storage First peak outflow point assumed to occur at inflow recession leg. New River 3EQ's Post- Development Hydrograph »»rrrrrm» mrmrmr»»r»r»r»mrrrrr» mrrrrrm+f»reer» RETURN FREQUENCY: 10 yr Allawable Outflow: 2.97 cfs • 'C' Adjustment: 1.000 Required Storage: 0.874 ac-ft • Peak Inflow: 9.10 cfs Inflow .HYD stored: 95024PST.HYD ` »»r»»rm»rr»+rrm»re»ee»mrr»mr»mrm�rr»r»»rerrr Td = 90 minutes Return Freq: 10 yr /------- Approx. Duration for Max. Storage ------/ C adj.factor: 1.00 Tr- 34.30 minutes I = 3.242 in/hr Area (ac): 7.82 . 0 = 15.53 cfs weighted C: 0.61 .�. _ Adjusted C: 0.61, Required Storage - 0.874 ac-ft Td= 90 minutes . ; I I - 1.900 in/hr x x x x x x xIx is x x x x x x x x x Q- 9.10 cfs I x x 0 0= 2.97 cfs x o Ix (Allow.Outflow) x 0 1 x o NOT TO SCALE I x . x o ___________ 1 10 1 x ------------------------ ............................ I------------ 113.11 minutes Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:27:06 02-14.1996 Mew River eEQ's Post- Development Hydrograph * Modified Rational Hydrograph ** Weighted C - 0.613 Area- 7.815 acres Tc - 34.30 minutes Adjusted C - 0.613 Td- 90.00 min. 1= 1.90 in/hr Qp- 9.10 cfs RETURN FREQUENCY: 10 year storm Adj.factor - 1.00 Output file: 95024PST.HYD HYDROGRAPH FOR MAXIMUM STORAGE For the 10 Year Storm Time I Time increment - 0.083 Hours Hours _______________________________________________________________ Time on left represents time for first Q in each row. 0.072 1.14 2.47 3.79 5.12 6.45 7.78 9.10 0.655 9.10 9.10 9.10 9.10 9.10 9.10 9.10 1.238 9.10 9.10 9.10 9.10 7.96 6.63 5.31 1.822 3.98 2.65 1.33 0.00 Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:27:06 02-14-1996 New River aEQ's Post- Development Hydrograph ` ' ' • • SUMMARY OF RATIONAL METHOD PEAK DISCHARGES ' • • . Q=adj *C`I `A Where: Q=cfs, C—Weighted Runoff Coefficient, I=in/hour, A=acres adj = 'C' adjustment factor for each return frequency RETURN FREQUENCY = 10 years 'C' adjustment, k 1 Adj. 'C' = Wtd.'C' x 1 Subarea Runoff Area I To Wtd. Adj. I Total Peak Q Descr. 'C' acres (min) 'C' 'Cl in/hr acres (cfs) -------------------------- -------------- ----------------------- -------- Post day 0.613 7.a2 ----------------------------- I------------------------ I---..... 34.30 0.613 0.613 3.242 7.a2 15.53 Quick TR-55 Ver.5.44 S/4:1315430019 Executed: 16:27:06 02-14-1996 HmNf ff.rl.fYff MN/HN1HM»mNfNMMHf.HHf f Nff•NHf.• NNf f11 rf fmHNNIMYfmNNM••M•Mtl.frM•f 1•.»1r.Nf.»f Nf f • ' MODIFIED RATIONAL METHOD • ---- Grend Summary For All Storm Frequencies ---- • e »rf»1NrHHff N»Hm mf N.fmf»»Hf M».m»»»r»HNN»» N HNrr..rNf+Hrf».rrf lr»Nlrffff ffm N.H»N.N me.».»rrlrf •N First peak outflow point assumed to occur at inflow recession leg. New River BEQ's Post- Development Hydrograph Area = 7.82 acres Tc = 34.30 minutes . .......... VOLUMES Frequency Adjusted Duration Inters. Qpeak Allowable ;I Inflow Storage (years) ------------------------------------------------------ 'C' minutes in/hr cis cis j (ac-ft) (ac-ft) 10 0.613 90 1.900 9.10 2.97 _-------------------- 1.128 0.874 Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:27:06 02-14.1996 MODIFIED RATIONAL METHOD Summary for Single Storm Frequency ---- First peak outflow point assumed to occur at inflow recession leg. New River 3EO's Post- Development Hydrograph RETURN FREQUENCY: 10 yr `C' Adjustment = 1.000 Allowable 0 - 2.97 cfs ............................................................................ Hydrograph file duratictw 90.00 minutes Hydrograph file: 95024PST.HYD To - 34.30 minutes ......................................... VOLUMES Weighted Adjusted Duration Intens. Areas speak Inflow Storage `C' ------------------------------------------------------ 'C' minutes in/hr acres cfs (ac-ft) (ac-ft) 0.613 0.613 34 3.242 7.82 15.53 I..................... ,� 0.734 0.593 0.613 0.613 40 2.900 7.82 13.89 0.765 0.613 0.613 0.613 50 2.700 7.82 12.93 0.891 0.718 0.613 0.613 60 2.400 7.82 11.50 0.950 0.757 NNffNNtNNNfl NffeII NYNNNlN 1111Nf111NNll NaN! Storage Maximrla 0.613 0.613 90 1.900 7.82 9.10 1.128 0.874 ffYfyY ff f 1ff f f NNNf NYf!!llNNNNN!lflNf Nf1NNllfYfl Nf Nf f f N!!f!!f Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:28:04 02-14-1996 MODIFIED RATIONAL METHOD ---- Graphical Summery for Maximus Required Storage ---- New River BEQ's 100-Year Hydrograph •it ttttf f 1N..ifMf•f•••tf 1f 1f1ff•1ff.f f f tff H•1f fff•HM..•fYffffffY ` I • • RETURN FREQUENCY: 100 yr I Allowable Outf(ow: 23.90 cfs ` 'C' Adjustment: 1.000 I Required Storage: 0.002 ac-ft • I ` STORM DURATION Tc for Max.Storage f_____________________________________________________________________ • Peak Inflow: 23.95 cfs Inflow .HYD stored: 95024100.HYD !'If tfittf lllf.ff lftlf.....f1ff•TIf1tI.tIf1fY.........f1•ffyfffffffflf. Tc= 34.30 minutes I = 4.999 in/hr 0 = 23.95 cfs Area (ac): 7.82 Weighted C: 0.61 Adjusted C: 0.61 Required Storage ------------ 0.002 ac-ft • I• • I• • I• 0 o a Q= 23.90 cfs o I. (A llow.Outflow) o I . o I NOT TO SCALE a I .......... I________________-_______ 34.37 minutes Quick TR-55 Ver.5.44 S/11:1315430019 Executed: 16:28:04 02-14-1996 New River BEQ's 100-Year Hydrograph '"" Modified Rational Hydrograph I Weighted C = 0.613 Area- 7.815 acres Tc = 34.30 minutes Adjusted C : 0.613 Td= 34.30 min. I= 5.00 in/hr Qp= 23.95 cfs RETURN FREQUENCY: 100 year storm Adj.factor = 1.00 Output tile: 95024100.HY0 HYOROGRA➢H FOR MAXIMUM STORAGE For the 100 Year Storm Time Time increment = 0.033 Hours Hours _______________________________________________________________ Time on left represents time for first 0 in each row. 0.005 0.21 1.61 3.00 4.40 5.80 7.19 8.59 0.238 9.98 11.38 12.78 14.17 15.57 16.97 18.36 0.472 19.76 21.16 22.55 23.95 22.55 21.16 19.76 0.705 18.36 16.97 15.57 14.17 12.78 11.38 9.98 0.938 8.59 7.19 5.80 4.40 3.00 1.61 0.21 Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:28:04 02-14-1996 New River BEQ's 100-Year Hydrograph * * * * * * SUMMARY OF RATIONAL METH00 PEAK DISCHARGES * * * * * * Q -adj *C* I *A Where: a=cfs, C--Weighted Runoff Coefficient, I=in/hour, A=acres ad! = 'C' adjustment factor for each return frequency Subarea Runoff Area Tc Descr. 'C' acres (min) .......................... ...... 0.613 7.82 ---------------I_-___- 34.30 RETURN FREQUENCY = 100 years 'Cl adjustment, k = 1 Adj. 'Cl = Wtd.'C' x 1 Wtd. Adj . I Tota( Peak a 'C' 'C' in/hr acres ----------------------- (cfs) ---___-- -------- ------------------------ 0.613 0.613 4.999 7.82 23.95 Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:28:04 02-14.1996 mf»frYmYYmrm.Y«r1Y♦.H«mHH♦•I«fYfHlmHlf Ym»Hmr. ».»r»f Y»»»mf«Y»f fH»f f m»rf of»»H«».»•♦.»»H«Hm. • e • ' MODIFIED RATIONAL METHOD ' ' ---- Grand Summary For All Storm Frequencies ---- ' • »».»»Yf»Yrr».rre»»H«H:•»rr».f+»fff Hf •r.r•r♦♦»»»+em« fHf4f» xea re»YYrffrf f9Yff».♦Y»f1.f•♦1Hm•.mffm♦f«♦HY♦HY»ff - First peak outflow point assumed to occur at inflow recession leg. New River REQ's 100-Year Hydrograph Area 7.82 acres Tc = 34.30 minutes VOLUMES Frequency Adjusted Duration Inters. Qpeak Allowable Inflow Storage (years) ......................................................I................--... 'C' minutes in/hr cfs cfs (ac-ft) (ac-ft) 100 0.613 34 4.999 23.95 23.90 1.131 0.00Z Quick TR-55 Ver.5.44 S/N:1315430019 Executed: 16:28:04 02-14-1996 MODIFIED RATIONAL METHCO --- Summery for Single Storm Frequency ---- First peak outflow point assumed to occur at inflow recession leg. New River SEQ's 100-Year Hydrograph RETURN FREQUENCY: 100 yr `C' Adjustment = 1.000 Allowable 0 = 23.90 cfs ............................................................................ Hydrograph file duration= 34.30 minutes Hydrograph file: 95024100.HYD Tc = 34.30 minutes . ............ .......... VOLUMES Weighted Adjusted Duration lntens. Areas Qpeak Inftow Storage `C' 'C' minutes in/hr acres cfs (ac-ft) (ac-ft) ...................................................... �--------------------- »»�a.»».»»»»»»»»»�»�»r»»»��»»r��=�i»»f Storage Maximum 0.613 0.613 34 4.999 7.82 23.95 1.131 0.002 0.613 0.613 40 4.600 7.82 22.04 1 Qpeak < QaILow POJ1D-2 Version: 5.14 SIM: 1220515156 New River BEG's CALCULATED 02.14-1996 16:28:28 DISK FILE: c:\perK1pack\data\95024 .VOL Planimeter scale: 1 inch = 30 ft. Elevation Planimeter Area AI+AZ+sgr(A1*A2) Volume Volume Sum (ft) ..........................."-----......................-....--......-..... (sq.in.) (acres) (acres) (acre-ft) (acre-ft) 14.37 14.44 0.30 0.00 0.00 0.00 14.87 *I* 0.32 0.92 0.15 0.15 15.37 *I* 0.34 0.95 0.32 0.32 15.60 *I* 0.35 0.97 0.40 0.40 15.87 *1* 0.36 0.98 0.49 0.49 16.37 *I* 0.38 1.01 0.68 0.68 16.57 19.44 0.40 1.05 0.87 0.87 17.00 *I* 0.41 1.21 0.05 0.92 17.50 20.81 0.43 1.25 0.26 1.13 19.00 24.28 0.50 1.40 0.70 1.83 *1* ---> Interpolated area from closest two planimeter readings 2 IA = (sq.rt(Areat) +((Ei-El)/(E2-E1))*(sq.rt(Area2)-sq.rt(Areal))) where: El, E2 = Closest,two elevations with planimeter data Ei = Elevation at which to interpolate area Areal,Area2 = Areas computed for El, E2; respectively IA = Interpolated area for Ei * Incremental volume computed by the Conic Method for Reservoir Volumes. Volume = (1/3) * (EL2-EL1) * (Areal + Areal + sq.rt.(Areat*Areal)) where: EL1, EL2 = Lower and upper elevations of the increment Areal,Area2 = Areas computed for EL1, EL2, respectively Volume = Incremental volume between EL1 and EL2 Outlet Structure File: 95024 .STR POND-2 Version: 5.14 SIN: IZ20515156 Oate Executed: Tim Executed: New River BEO's Outlet Structure ff fffffflfflfHf' ^fw COMPOSITE OUTFLOW SUMMARY **" Elevation (ft) 0 (cfs) Contributing Structures .............. ....... ........................ 14.37 0.0 01 14.62 0.1 01 14.87 0.2 01 15.12 0.2 01 15.37 0.3 01 15.62 0.3 01 +02 15.87 0.6 01 +02 16.12 1.1 01 +02 16.37 1.6 01 +02 16.62 2.1 01 +02 16.87 2.6 01 +02 17.12 3.1 01 +02 +O3 17.37 5.1 01 +02 +03 17.62 7.7 01 +02 +03 17.87 10.7 01 +02 +03 18.12 14.0 01 +02 +03 18.37 17.4 l` 01 +02 +03 18.62 20.8 01 +02 +03 18.87 24.2 01 +02 +03 19.00 0.0 Outlet Structure File: 95024 .STR POND-2 Version: 5.14 S/N: 1220515156 Date Executed: Time Executed: .mmfH....tf New River BEO's Outlet Structure 1H IfH.H11Hf. Outlet Structure File: c:\pondpack\data\95024 .STR Pianimeter Input File: c:\pordpack\data\95024 .VOL Rating Table Output File: c:\poncipack\data\95024 .PNO Min. Elev.(ft) - 14.37 Max. ELev.(ft) = 19 Incr.(ft) _ .25 Additional elevations (ft) to be included in table: fff rrt.»»f.»ftf.»»»»H.f.».H.fine»♦ SYSTEM CONNECTIVITY r �11f f 1rf11 tr 1f11tffff f»ftfff tr»ttm 111tf1f Structure ---------- No. 0 Table 0 Table CULVERT-CR --- 01 ------ .------- -> 01 WEIR-VR 02 + 01 -> A WEIR-VR 03 + A -> B Outflow rating table summary was stored in file: c:\pondpack\data\95024 .PND Outlet Structure File: 95024 POND-2 Version: 5.14 Date Executed: STR S/N: 1220515156 Time Executed: New River BED's Outtet Structure YffYYffIfYYM1H »»» Structure No. 01 ««a< (Input Data) CULVERT-CR Circular Culvert (With Inlet Control) E1 elev.(ft)? 14.37 E2 elev.(ft)7 19.00 Di M. (ft)? - .25 Inv. el.(ft)7 14.37 , Slope (ft/ft)7 .002 T1 ratio? T2 ratio? K Coeff.? .0045 N Coeff.? 2 c Coeff.? .0317 Y Coeff.? .69 Fofm 1 or 2? 1 Slope factor? -0.5 Outlet Structure File: 95024 .STR POND-2 Version: 5.14 S/N: 1220515156 Date Executed: Time Executed: New River BED's Outlet Structure kYYYIM.fH.fY1H »»» Structure No. 02 ««« (Input Data) WEIR-VR Weir - Vertical Rectangular El elev.(ft)? 14.37 E2 elev.(ft)? 19.00 Weir coefficient? 3.6 Weir elev.(ft)? 15.60 Length (ft)? .67 Contracted/Suppressed (C/S)? C Outlet Structure Fite: 95024 .STR POND-2 Version: 5.14 S/N: 1220515156 Date Executed: Time Executed: .rrrrrrr»»rrrr New River BEO's Outlet Structure r»rrrrrrrrrrrrr »»» Structure No. 03 ««« (Input Data) WEIR-VR Weir - Vertical Rectangular E1 etev.(ft)7 14.37 E2 elev.(ft)7 19.00 Weir caeffici ent7 3.6 Weir elev.(ft)7 17.05 Length (ft)7 3 Contracted/Suppressed (C/S)7 C Outlet Structure File: 95024 .STR POND-2 Version: 5.14 SIN: 1220515156 Date Executed: Time Executed: New River SEO's Outlet Structure Outflow Rating Table for Structure #01 CULVERT-CR Circular Culvert (With Inlet Control) **"* INLET CONTROL ASSUMED **- Elevation (ft) 0 (cfs) Computation Messages -------------- 14.37 ------- 0.0 ------------------------ No headwater 14.62 0.1 Equ.1: HW -.25 do=.163 14.87 0.2 Submerged: HW =.5 15.12 0.2 Submerged: HW =.750 15.37 0.3 Submerged: HW =1.0 15.62 0.3 Submerged: HW =1.25 15.87 0.3 Submerged: HW =1.5 16.12 0.3 Submerged: HW =1.75 16.37 0.4 Submerged: HW =2.0 16.62 0.4 Submerged: HW =2.25 16.87 0.4 Submerged: HW =2.5 17.12 0.4 Submerged: HW =2.75 17.37 0.5 Submerged: HW =3.0 17.62 0.5 Submerged: HW =3.25 17.87 0.5 Submerged: HW =3.5 18.12 0.5 Submerged: HW =3.75 18.37 0.5 Submerged: HW =4.0 13.62. 0.6 Submerged: HW =4.25 13.37 0.6 Submerged: HW =4.5 1;.00 0.0 E = or > E2=19.00 Ac=.034 Used Unsubmerged Equ. Form (1) for elev. less than 14.64 ft Used Submerged Equation for elevations greater than 14.67 ft HW=Headwater (ft) dc=Critical depth (it) Ac=Area (sq.ft) at do Transition flows interpolated from the following values: E1=14.64 ft; D1=.09 cfs; Dc=.18 ft; E2=14.67 it; 02=9.999 cfs Outlet Structure Fite: 95024 .STR POND-2 Version: 5.14 S/H: 1220515156 Date Executed: Time Executed: New River 3EO's Outlet Structure Outflow Rating Table for Structure #02 WE!.^.-'.-' Weir - Vertical Rectangular ""* INLET CONTROL ASSUMED ***'* Elevation .............. (ft) 0 (cfs) ....... Coaputation Messages 14.37 0.0 ........................ E < Inv.EL.= 15.6 14.62 0.0 E < Inv.El.= 15.6 14.37 0.0 E < Inv.EL.= 15.6 15.i2 0.0 E < Inv.EL.= 15.6 .5.37 0.0 E < Inv.El.= 15.6 15.62 0.0 H =.02 15.A7 0.3 H =.27 16.12 0.8 H =.52 16.37 1.3 H =.77 16.62 1.7 H =1.02 16.87 2.1 H =1.27 11.12 2.5 H =1.52 17.37 2.7 H =1.77 17.62 2.7 H =2.02 1,7.37 2.7 H =2.27 13.12 2.4 . H =2.52 12.77 1.9 - H =2.77 18.22 1.2 H =3.02 13.37 0.3 H =3.27 ' i^.00 0.0 E = or > E2=19.00 C = 3.6 L (ft) = .67 H (!t) = Table elev. - Invert eLev. ( 15.6 ft ) = C ' (L-.2H) * (H**1.5) -- Contracted Weir Outlet Structure File: 95024 .STR PONO-2Version: 5.14 S/N: 1220515156 Date Executed: Tian Executed: New River BEO's Outlet Structure Outflow R:lting Table for Structure #03 WE;-_VR Weir - Vertical Rectangular ***** INLET CONTROL ASSUMED ***** Elevation .............. (ft) 0 (cfs) ....... Canputation ........................ Messages 14.37 0.0 E < Inv.EL.= 17.05 14.62 0.0 E < Inv.EL.= 17.05 14.37 0.0 E < Inv.El.= 17.05 15.72 0.0 E < Inv.El.= 17.05 15 = 0.0 E < Inv.EL.= 17.05 15.c2 0.0 E < Inv.EL.= 17.05 15.57 0.0 E < Inv.El.= 1T.05 1.:2 0.0 E < Inv.El.- 17.05 1; - 7 0.0 E < Inv.EL.= 17.05 16.62 0.0 E < Inv.El.= 17.05 16.87 0.0 E < Inv.EL.= 17.05 17.12 0.2 H =.07 17.-7 1.9 H -.32 17.62 4.5 H =.570 17.27 7.6 H -.820 12.:2 11.1 H =1.07 14.9 H =1.32 1C.52 19.0 H =1.57 23.3 H =1.82 17.,0 0.0 E = or > E2-19.00 C = 76 L (ft) = 3 H (f:) = Table elev. - Invert elev. ( 17.05 ft ) 0 (c: �) = C * (L-.2H) * (H**1.5) -- Contracted Weir Ourl=t h r.cture File: 95024 .STR POND vcrsion: 5.14 SIM: 1220515156 Date Executed: Time Executed: New River BEO's Outlet Structure Outflow Rating Table 8 Table 8 = A + 03 Elevation (ft) 0 (cfs) Contributing Structures ______________ _..7 _______ 0.0 ___________ 01 1=.�? 0.1 01 1!.. _7 0.2 01 1'.:2 0.2 01 15.7.7 0.3 01 15.:.2 0.3 01 +02 0.6 01 +02 16.12 1.1 01.+02 16.37 1.6 01 +02 16.62 2.1 01 +02 1E._7 2.6 01 +02 .. _ 3.1 01 +02 +03 i-.-, 5.1 01 +02 +03 1-.1:2 7.7 01 +02 +03 1'.:11 10.7 01 +02 +03 15.:2 14.0 s 01 +02 +03 17.4 01 +02 +03 ....._ 20.8 01 +02 +03 i-. 7 24.2 01 +02 +03 17.1.0 0.0 - POND-2 Version: 5.'4 S/N: 1220515156 Page 1 EXECUTED: 02-1'.-: :6 16:30:02 f rf rrrrf rrrrrrfr+rrrerrrrrf fff rrrf r»rr * r ` New River 3E0's 10-Year Pond Routing Cat cutationa r . v...r»frrrrrrrrrfrr»f fffrrffferff»r Inflow H%Idr^-riph: c:\pondpack\data\95024PST.NTD Rating file: c:\pondpack\data\95024 .PND ----INITIAL CONDITIONS ---- Elevation = 14.37 it Outflow = 0.00 cfs Storage = 0.00 ac-ft INTERMEDIATE ROUTING GIFb) FOND ______________________________ DATA COMPUTATIONS IELEVAT!^!!! I STORAGE I .......................... I 2S/t I ZS/t + 0 I (fc) ;-fs) (ac-ft) I I (cfs) ; I (cfs) 0.0 ..........I 0.00OI I ------------ I_____________I I 0.0 I 0.0 I _I 14.0 0.1 I 0.076I I 22.0 I 22.1 I I 14.27 0.2 1 0.154I I 44.7 I 44.9 I 15.'2 0.2 I 0.2351 I 68.2 I 68.4 I 0.3 I 0.3181 I 92.3 I 92.6 I 0.3 I 0.404I I 117.2 I 117.5 I 0.6 I 0.4921 I 142.9 I 143.5 I 16.12 1.1 0.583I I 169.3 I 170.4 I I 16.37 j 1.6 I 0.6761 I 196.5 I 198.1 I 1;.." 2.1 0.773I I 224.4 I 226.5 I I 1' 7 2.6 I 0.6721 I 253.2 I 255.8 I 1- 1` 3.1 I 0.041 I 282.7 I 285.8 I 5.1 I 1.078I I 313.1 I 318.2 I 7.7 1 1.1861 I 344.3 I 352.0 I :^.7 1 1.2961 I 376.4 I 387.1 I I 14.0 I 1.409I I 409.3 I 423.3 I 1" 17.4 1.5251 I 443.0 I 460.4 I Zv.8 I 1.6451 I 477.E I 498.4 I ------ ........................ 1.7671 513.2 I -------------------------- 537.4 I Time increment (t) = 0.083 hrs. POND-2 Versi�o: `:. '! S'S: 1220515156 Page 2 EXECUTED: 07-.'-' ._ 16:30:02 Pond File: c:\pcndpack\data\95024 .PND Inflow Hydrograph: c:\pondpack\data\95024PST.HYD Outflow Hydr c_rn.`: c:\pcndpack\data\OUT .HYD INFLOW HYDROC^"..'H ROUTING COMPUTATIONS j TIME j Ix..^!^b! j j 11+12 j 2S/t - 0 j 2S/t . 0 1 OUTFLOW IELEVATIONj j (hrs) j (cfs) j j (cfs) (cfs) (cfs) j (of a) I (f t) j 0.072 i--.--__--j____________ .. ---•• 0.0 j ........... j--------- 0.01 0.00 I ......... j j 14.37 1 j 0.155 <'' 3.6 j 3.6 j 3.61 0.02 1 14.41 j j 0.238 j 3.;':; j 6.3 9.7 j 9.81 0.04 j 14.48 j 0.322 j 5.121 j 8.9 j 18.5 j 18.71 0.08 j 14.58 j j 0.405 11.6 29.8 j 30.11 0.13 j 14.71 j 0.488 : :'j 14.2 43.6 44.01 0.20 j 14.86 1 j 0.572 9. i 16,9 60.1 j 60.51 0.20 j 15.04 0.655 j ... 18.2 77.8 j 78.31 0.24 j 15.22 j j 0.738 ... j 18.2 j 95.4 j 96.01 0.30 j 15.40 j j 0.822 j ... 18.2 113.0 j 113.61 0.30 j 15.58 j j 0.905 18.2 i 130.3 j 131.21 0.46 j 15.75 1 j 0.988 18.2 j 147.1 148.51 0.69 1 15.92 j 1.072 ... 18.2 163.3 j 165.31 1.01 j 16.07 1 1.155 j ,. 18.2 178.9 j 181.51 1.30 j 16.22 j 1.238 12.2 193.9 j 197.11 1.58 j 16.36 1 1.322 j ! 13.2 208.4 212.11 1.85 1 16.49 j 1.405 j 9.:! 18.2 j 222.4 ZZ6.61 2.10 1 16.62 j 1.488 •..-: 18.2 j 236.0 j 240.61 2.34 j 16.74 j 1.572 j 7. ! 17.1 j 247.9 j 253.01 2.55 j 16.85 j 1.655 14.6 257.1 262.51 2.71 j 16.93 j 1.738 11.9 I 263.4 j 269.01 2.82 j 16.98 1 1.822 9.3 j 266.9 27Z.71 2.a8 1 17.01 j 1.905 6.6 267.7 j 273.51 2.90 j 17.02 1 1.988 j .,' ' 4.0 j 266.0 j 271.71 2.87 j 17.00 j 2.07-2 I ----------------- r.'., j -------------:--___..._..___--------_--__________--_--- 1.3 r 261.7 267.31 2.79 j 16.97 j POND-2 Vers'rr- _!!: 1220515156 EXECUTED: 0.' 15:30:02 Page 3 SUMMARY OF ROUTING COMPUTATIONS m*m*********** Pond Fil c:\poncipack\data\95024 .PND Inflow '!,c:\pondpack\data\95024PST.HYD Outflc-:`.,.;ondpack\data\CUT .HYD Starting Pond U.S. Elevation = 14.37 ft "'" Su ary of Peak Outflow and Peak Elevation ***** Peak Inflow = 9.10 cfs 'cok Outflow = 2.90 cfs ^enk Elevation = 17.02 ft ^^ SLr.�ry of Approximate Peak Storage '*'** !ritial Storage = 0.00 ac-ft .nk Storage From Storm = 0.93 ac-ft T--tal Storage in Pond = 0.93 ac-ft w-ruing: !nflcw hydrograph truncated on left Side. POND-2 V,r it ,.: �.14 S/N: 1220515156 Page 4 Pond File: c:\pondpack\data\95024 .PND Inflow Hydrograph: c:\pcndpack\data\95024PST.HYD Outflow Hydr^.-, rnph: c:\pondpack\data\OUT .HYD EXECUTED: 02.14-1996 Peak Inflow = 9.10 cfs 16:30:02 Peak Outflnw = 2.90 cfs Peak 17.02 ft Flow (cfs) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 ------------------ .07 -� ix .16 -jx Ix .24 -Ix Ix ' .32 -Ix : x .4 x x ' .49 x x .57 -1 x x .65 -1 x + x .74 x x + .82 x + x .9 I x x + .99 -I x x 1.07 x x + 1.15 x + x + 1.24 x + 1.32 x x 1.4 -I x + x 1.49 - x x + 1.57 -� x x TIME (hrs) + File: c:\pordoack\data\95024PST. HYD Gmax = 9.1 cfs X File: pt•, a\OUT .HYD Dmax = 2.9 cfs POND-2 Ver<ion. 5.14 S/N: 1220515156 Page 1 EXECUTED: 02-14-1996 16:30:50 ..e»»».»f ff»f.e»»ff»f»»fffffff • e ' New River BEO's • 100-Year Pond Routing Calculations ' • f • • .f».»....»»ff»rrf...f»f•fff».»» Inf tow Hydregrsrh: c:\pondpack\data\95024100.HYD Rat: 'able file: c:\pondpack\data\95024 .PND ----INITIAL CONDITIONS ---- Elevation - 14.37 it Outflow = 0.00 cfs Storage = 0.00 ac-ft INTERMEDIATE ROUTING ______________________________ GIVEN POND DATA COMPUTATIONS IELEV4TIONI COTF!"U I STORAGE I -..----_-__-_-________--.- I 2S/t I 2S/t + 0 (ac-£t) I I (cfs) :.I (cfs) I I -,.'7 I ...................I .0 0.0001 I------------ I___________ I 0.0 I --I 0.0 I I 1L.f2 C.1 I 0.076I I 55.0 I 55.1 I I. 1=.n7 I C.2 1 0.154I I 111.8 I 112.0 I I 15.12 I C.2 I 0.2351 I 170.4 I 170.6 I .'.77 I 0.7 1 0.318I I 230.8 I 231.1 I I 1°.62 I C.3 I 0.404I I 293.1 I 293.4 I 15.87 I 0.6 I 0.4921 I 357.2 I 357.8 I I 16.12 I 1.1 1 0.583I I 423.2 I 424.3 I I 1!.-7 1.5 I 0.6761 I 491.2 I 492.8 I 2.1 I 0.7731 I 561.1 I 563.2 I I -._ 0.572I I 633.0 I 635.6 I • .'. _.' 0.974I I 706.9 I 710.0 I I 5.'. ! 1.078I I 782.9 I 788.0 I ... I ,..- 1.1861 I 860.9 I 868.6 I I I 1.2961 I 941.0 I 951.7 I 1.409I I 1023.2 I 1037.2 I 1.5251 I 1107.6 I 1125.0 I I I 21. .S I 1.6451 I 1194.2 I 1215.0 I I 1:1.77 .............................. I 2'•.2 I 1.7671 I 1283.0 I .......................... 1307.2 I [,me increment (t) = 0.033 hrs. POND-2 Ver�I5.14 1220515156 Page 2 EXECUTED: .. .: :'^:50 Pond File: c:\pondpack\data\95024 ,PND Inflow Hydrograoh: c:\pondpack\data\95024100.HYD Outflow Hydrogrnph: c:\pondpack\data\OUT .HYD INFLOW HYDR',r,,"LPH ROUTING COMPUTATIONS I TIME j :. " '^? I I ::1!2 I ZS/t - 0 I 2S/t * 0 I OUTFLOW IELEVATIONI I (hrs) (cfs) I I (cfs) I (cfs) I (cfs) I (cfs) I (ft) I I 0.005 ------------ I----------- 0.0 I I --------- 0.01 0.00 I --_-_____I I 14.37 I I 0.039 j 1.3 I 1.8 I 1.81 0.00 I 14.38 I I 0.072 3.001 1 4.6 I 6.4 I 6.41 0.01 I 14.40 I I 0.105 4.401 I 7.4 I 13.8 I 13.81 0.03 I 14.43 I 0.138 I 5.P^_1 I 10.2 1 23.9 I 24.0I 0.04 I 14.48 I I 0.172 I '.'."I I i2.0 I 36.7 I 36.91 0.07 I 14.54 I. I 0.205 I :5.8 I 52.3 I 52.51 0.10 I 14.61 I I 0.238 I j 18.6 I 70.6 I 70.91 0.13 I 14.69 I I 0.272 I _ 21.4 I 91.7 I 92.0I 0.16 I 14.78 I I 0.305 I I 25.2 I 115.4 I 115.81 0.20 I 14.89 I I 0.333 I --7.0 I 142.0 I 142.41 0.20 I 15.00 I 0.372 1 - 2^.7 I 171.3 I 171.71 0.20 I 15.12 I I 0.405 ,'. 5 I 203.3 I 203.81 0.25 I 15.26 I I 0.438 ! 3 I 238.1 I 238.7I 0.30 I 15.40 I I 0.47'_ 275.6 I 276.21 0.30 I 15.55 I I 0.505 I :.9 I 315.7 I 316.51 0.41 I 15.71 I I 0.53' 358.2 I 359.41 0.61 I 15.88 I I 0.57- j -,:..5 I 402.8 I 404.71 0.95 I 16.05 I I 0.615 1 1..3 I 44-6.7 I 449.3I 1.28 I 16.21 I I 0.6" =,7 I 487.2 I 490.41 1.58 I 16.36 I 0.6?'- ! -,; I 524.5 I 528.21 1.85 I 16.50 I I 0.7'. j 33.1 I 558.4 I 562.61 2.10 I 16.62 I U•F? " .3 I 589.1 I 593.71 2.31 I 16.73 I I 0.772 I __.5 I 616.6 I 621.61 2.50 I 16.82 I I 0.8". _:.7 641.0 I 646.41 2.67 I 16.91 I 0 2 .; .. ::' I 662.3 I 668.0I 2.82 I 16.98 I I 0.8.: 2'.2 I 680.6 I 686.51 2.94 I 17.04 I 0.9 _..; 695.9 I 702.0I 3.05 I 17.09 I 10-+'" -.i 708.0 I 714.51 3.21 I 17.13 I 0•9- .. :..3 I 716.9 I 723.81 3.45 I 17.16 I 722.7 I 729.9I 3.61 I 17.18 I 725.5 I 732.91 3.69 I 17.19 I 1.c, ,., I 725.5 I 732.91 3.69 I 17.19 I ;.6 722.9 I 730.11 3.62 I 17.18 I ...................................................... 1.3 I 717.8 I 724.71 3.48 I 17.17 I POND-2 ver<r,n: 5.1 F ,: 1J_r.515156 EXECUT..:.. .. . . Page 3 5�'MMGRY OF ROUTING COMPUTATIONS ••*****'***•****** Pond r. , c:�?ondpack\data\95024 .PND Inf!c!, 1••.47nm—h: c:`,^ondpack\data\95024100. HYD c:'_::cndpack\data\OIIT .HYD Star!;-!: P—A ,-__. =ticn = 14.37 ft *'* Sinmtry of Peak Outflow and Peak Elevation '•••• Pock Inflow 23.95 cfs -: -k Outflow 3.69 cfs ...:: Elevation = 17.19 ft of Approximate Peak Storage ••••* - C�orage = 0.00 ac-ft . .. ...r-:_e Fram Storm = 1.00 ac-ft --•7! 5-^rage in Pond = 1.00 ac-ft U-ruin,: 1. :�a hydrograph truncated on left side. "" ,: :- .!rograph truncated on right side. POND-2 v-ri-: =_'4 5,'N: 1220515156 Page 4 Pend File: c:\pondpack\data\95024 .PND Inflow Hydroaraph: c:\pondpack\data\95024100.HYD Outflow Hyrfr+^.r.-h: c:\pendpack\de [a\OUT .HYD EXECUTED: 02-14-1996 Peak I,fl�w = 27.75 cfs 16:30:50 Peak 0+•cf';en = 3.59 cfs Peak F'. =•-r.-i,n = 17.19 ft Flow (cfs) 0.0 2.0 4•1) 5.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 ....... .3 x + % f .34 x w .37 x + x • .4 x R x R x w .47 x x r .5 + xx * .54 R .57 -� R z e .6 x * .64 x R % + .67 -� w x w .7 - .74 -� R x .77 -� z i .8 x r .84 x + .87 x R x .9 x x TI"' r'�,r 71101iar,\95024100.14YD Omax = 24.0 cfs x Fi'.., r: -. rk\d-: ��^U7 .HYD Omax = 3.7 cfs Outlet Structure File: 95024 .STR POND-2 version: 5.14 S/N: 1220515156 Date Executed: Time Executed: New River BEO's Outlet Structure Outflow Rating Table A Table A = 01 + 02 Elevation (ft) 0 (cfs) Contributing Structures -------------- 1-.i7 ------- 0.0 ------- 01 14 - 20.1 01 11.?7 0.2 01 15.12 0.2 01 1.`.7 0.3 01 15.62 0.3 01 +02 0.6 01 +02 16.12 1.1 01 +02 1657 1.6 01 +02 1E.E2 2.1 01 +02 16.57 2.6 01 +02 17.12 2.9 01 +02 i,.-7 3.1 01 +02 1.._2 3.2 01 +02 17.37 3.2 01 +02 1P.12 2.9 01 +02 !!.-7 2.5 - 01 +02 10.�2 1.8 01 +02 0.9 01 +02 1".-o 0.0 - DIVISION OF ENVIRONMENTAL MANAGEMENT NORTH CAROLINA STORMNATER MANAGEMENT PERMIT APPLICATION I. GENERAL INFORMATION: 1. Project Name: BACHELOR ENLISTED QUARTERS 2. Project Location: (County, State Road, Address) MARINE CORPS AIR STATION NEW RIVER. NC 3. Owner's Name: COMMANDING OFFICER ppTTTTNg SS 4 pp� T�iT gS LAB Phone: 4. MailingAddresa:MCAS:NEA RI%IPSC�BOXPWO1 City JACKSONVILLE State NC yip 28545-5001 5. Application Date: 03-13-96 Fee submitted: $385.00 7. Nearest Receiving Stream: Class: 8. Pro j ect Description: CONSTRUCT TWO NEW BACHELOR ENLISTED QUARTERS, PARKING AND ASSOCIATED UTILITIES. II. PERMIT 1. Permit No. (will be completed by DEM) : 2. Permit Type: X New Modification (existing permit no.) Renewal 3. Project Type: Low Density X Detention Infiltration Other 4. Other State/Federal Permits/Approvals Required: (Check appropriate blanks) X Sediment/Erosion Control CAMA Major 404.Permit III. PROJECT BUILT UPON AREA Drainage Drainage Basin Basin Breakdown of Impervious Areas Classification Buildings 0.90 Ac Allowable Impervious Roads 0,41 Ac Total Project Area 7.82 Parking 2.67 Ac Proposed Impervious 4.60 Other 0.62 Ac % Impervious Area 59 Totals 4.60 Z4. STOR1WAM =MAO== (Describe how runoff will be treated): A WET DETENTION POND WITH CONTROLLED OUTFALLS FOR WATER QUALITY AND QUANTITY DISCHARGED OVER A VEGETATIVE FILTER. V. DEED RESTRICTIONS AND PROTECTZVE COVENANTS Deed restrictions and protective covenants are required far 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 an 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 lat. OWNER'S I. - (Pleasecertify that the 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 wi11 be recorded with all recui:ed permit ccndlitions, and that to the best of my Imawledge, the proposed project complies with the requirements o: 15A NCAC 28.1000. I authorize the below named person or firs to submit stormwater plans on my behalf. Owner Authorized Agent Signature and Title Date AUTHORIZED AGENT Person or Firm Name: C. ALLAN BAMFORTH JR., EENGINEER-SURVEYOR, Ltd. Mailing Address: City NORFOLK Phone: (804)627-7079 P.O. BOX 6377 State VA zip 23508 Please submit application, fee and plans to appropriate Regional office. (see attached map) -2- MAINTENANCE OF STORMWATER MANAGEMENT AND EROSION CONTROL STRUCTURES All permanent and temporary stormwater management and erosion control structures will be maintained by the Contractor during construction. After construction is complete, the temporary erosion control measures will be removed by the Contractor and the permanent stormwater management pond will become the responsibility of the Facilities Maintenance Officer, MCB Camp Lejeune. INSPECT AFTER EVERY RUNOFF PRODUCING RAINFALL EVENT: I . Orifice - Remove any clogging debris. 2. Trash Rack - Remove trash accumulation. 3. Pond Side Slopes - Repair eroded areas, remove trash. II INSPECT QUARTERLY: I. Catch Basins - Remove trash 2. rnlet Piping - Repair undercutting, remove interior trash, replace riprap. 3. Grass Swales - Repair and reseed eroded areas, remove trash. 4. Vegetated Filter - Repair and reseed eroded areas. III INSPECT SEMI-ANNUALLY (EVERY 6 MONTHS): 1. Pond Depth - Sediment shall be removed when it accumulates to a depth of approximately one foot. 2. Check main outlet pipe for debris. IV GENERAL MAINTENANCE NOTES: I. ilyfow side slopes regularly. Encourage cattails along the perimeter of the pond, but do not allow to cover the entire surface area. 2. The orifice must be visible after 5 days without rain. If it is not, unclog immediately by removing trash, debris, and sediment. Facilities Maintenance Officer By direction of the Commanding General a State of North Carolina Department of Environment, Health,. and Natural Wilmington Regional Office James B. Hunt, Jr. DIVISION OF ENVIRONMENTAL MANAGEMENT Governor WATER QUALITY SECTION May 23, 1996 Mr. Richard Garriott C. Allan Bamforth, Jr., Engineer -Surveyor Post Office Box 6377 Norfolk, Virginia 23508 Resources Jonathan B. Howes Secretary Subject: ADDITIONAL INFORMATION Stormwater Project No. SW8 960509 Batchelor Enlisted Quarters P-584 Onslow County Dear Mr. Garriott: The Wilmington Regional Office received a Stormwater Management Permit Application for Batchelor Enlisted Quarters P-584 on May 6, 1996. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. The forebay is an area that is shallower than the main pond body. Please provide contour information and a detail for the forebay. 2. Please delineate and label the 15.6 contour in the pond. A. Please label the elevations on the discharge structure detail and add the orifice size. /4. Provide a 6:1 vegetated shelf around the perimeter of the pond and detail. 5. If you use a vegetated filter, please note the location on the plans, and provide a detail. The filter is not a swale. It is a grassed area where the Flow from the outlet structure is evenly distributed and allowed to filter through at least 30' of vegetation prior to discharge into a ditch or stream. tt 6. The orifice is too large to draw down the volume provided in the pond. By my calculations, approximately 17,000 cubic feet of volume is provided. Using the average head between the centerline of the orifice and the top of the storage, the orifice size ranges from 1.4" to 2.2". Pease revise. 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone 910-395-3900 • Fax 910-350-2004 An Equal Opportunity Affirmative Action Employer Mr. Garrott May 23, 1996 Stormwater Project No. SW8 960509 .7. Please dimension the permanent pool. My calculation of surface area is less than yours. Please note that this request for additional information is in response to a preliminary review. The requested information should be received by this Office prior to June 23, 1996, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. If you have any questions concerning this matter please feel free to call me at (910) 395-3900. Sincerely, Ms. Linda Lewis Environmental Engineer DA/arl: S:\WQS\STORMWAT\ADDINFO\960509.MAY cc: Linda Lewis Central Files K DEPARTMENT OF THE NAVY ATLANTIC DIVISON NAVAL FACILITIES ENGINEERING COMMAND 1510 GILBERT ST NORFOLK, VA 23511-2699 State of North Carolina Department of Environment, Health, and Natural Resources Division of Environmental Management Water Quality Section 127 Cardinal Drive Extension Wilmington, North Carolina 28405-3845 TELEPHONE NO: (804) 322-8346 IN REPLY REFER T0: N62470-95-B-5060 0314C 0 2 MAY 1996 Re: Stormwater Management Permit Application for Construction Contract N62470-95-B-5060, Bachelor Enlisted Quarters, Marine Corps Air Station, New River. North Carolina Gentlemen: Enclosed are the original and three copes of the application for a Stormwater Management Permit for this project. These are forwarded for review and approval. Also provided is a check for the application fee in the amount of $385.00. Your prompt attention to this submittal is greatly appreciated. If you have any general questions, please contact Ms. M. E. (Ellen) Freihofer at (804) 322-8346. If you have any technical questions, please contact the engineer, Mr. Richard GarTiott, with C. Allan Bamforth, Jr., Engineer -Surveyor, Ltd., at (804) 627-7079. %1Z . d/ M. E. FREIHOFER Project Manager, CONUS Branch Programs and Project Management Division By direction of the Commander Encl: (1) Stormwater Management Permit Application (4) Copy to: (w/encl) CO MCAS New River (S-4) ii (1oE li ta't`s 6 � � t•� E C E I V E D MAY 0 61996 PROJ k M OSO Quality Performance ... Quality Results t— PLAN VIEW N.T.G. SECTION VIEW H.T.B. x NOTE R5) rtE 85) 5) A 1 1/Y F GQEV. RA0. BTEEL � 6TANDVtD PIP A' 2' 0 6TAKWRD ME SLEEVE e' T' a PIPE SLEEVE N.T.6. 1 1/2' R C/ Y. 5TANLMRO PIPE PETAL ABOl a • . _ - coNCRETE W.LL PIPE PALM* N.T.O. INLET ELEVATION N.T.G. ASSEMBLY LIST (Do' MET. FiMK.ED O2 B' OULET, PI.V4ED O6' PRWNRY OIL OUTLET PIPE ONOT U v OMET BAFFLE 6O VERTICAL RUBE COALEWER5 OV ROTARY PIPE BRB.MER OOIL RETFMId1 BAFFLE O9 BLUDGE BAFFLE t0 VERTI TUBE WPPORT (2 REO'D.) 11 HORIZONµ TUBE HOLD DOWJ W/HNIRE 12 VERTICAL RUDE WFPORT (2 REO'D.) t5 DORUt RUDE WPPORf (6 REO'D.) 14 TOP GRATING 15 BOTTOA GRATING 16 WEEN BAFFLE 1T vErrm N0 E FOR B 19 1B ADUfiTABLE OUTLET WEIR FIATS 19 WEIR F1ATE G• v e OBWNEL AWU MM FOR TVDE HOLD DOIW 21 VERTICN. RUDE GOALEECER CIVAEER pp ONTEGRAL WASTE OIL 6TORK CW R 6 OPARTITION WALL q O2' auDix ORN40FF, FLViCED NOTES: 1. PIWW� TOLEI A E 61PL1. DE 3 1 /2'. 2. ALL TAW. FWLE6 BlMLL DE 150 lb. FIAT Y TALE FLVI5E6. ��l���l,,ryryryry��•••• rrrrgggg���� ppppAAAA����,yyy,y jj{j���� ..** �R�+ 5. ALL NOZZIF PRONERM6 SiNll DE 6'STORN � 'AT C ULLEY6 NOTED OT CrIO E. y I ®N5 fRLd�F <. ALL FINIGE DOLT HOLE PATTERN* 61NLL s 66YY11 BTRAODLE CENERLIMB. 5. FLOOR ANC WNL OFAEII6IOIB A6 GROWN FOR REFERENCE OILY. DW M-20 C E I V E D DE DETERIANED BY A PROFEBNLYML BASED ON 6TTE COND11gN* NID N-20 SEP 0 31996 D E M PROJ p_ CONCRETE STRUCTURE PISTALLATION 1. ME CONRACTOR 61MLL PWADE A 12' MRiAJLI NPDNC OF 110. 57 AGOREdATE ON FIRM WDGRADE TO SET 6TRUCTURE. 2. ME APPRO TE WE15M OF ME STRUCNRE 6 AB LWED N ME TABLE SELOY/. 5. ME CONTRN.TOR SNN.L WPPLY A SPREADER BM YIIM M FONTS AT 6*-0' C R-TO-CNTER. ME SPREADER EAR MUST N WABLE OF LIFTNG AT LEAST �,OLV Ipo. A. ME CONTRACTOR BMW. WPPLY 4 E0.V1 LENGTH (MNM1M tt'-O' CHA86 MTM HOOKS ON E END (6 NOOKb TOTAL OR A NGTH EOWL LE CABLES (LQBAIM V-0' LONG) 1WT11 O1-M (B TOTAL). MEY TEED TO BE C NDLE OF LIFTNO ME HEAMt T PIECE L6TED N ME TABLE BELOW. 5. TWO ROM, OF 1' 1' SVM RUBBER BNVL BE USED N ME J 6 BETWEEN WN1, MR (IF APPLICABLE), TOP &W. NA ALL OTHER XVITB .AD11T6 *HALL BE GRdRED WIM NON-WRNK GROUT NDIDE AND OUT. 9 WEIGHT/CAPA TABLE 6EPARATOR WE W,EN6pFM1 TANS WE61R OF STRUOTURE MERN45 WRFIL4 AREA Ft2 NTE(a4A1 WASTE OIL STORAa CA -A' '6' 'C '0' 'E' -5 44i,05O b,l 5,2u 1 TOO I. DM WIOE, Y/EKiTT6. AJID f ACTTIES ARE FOR REFERENCE OLT AND ME NOT TO BE U5ED FOR COHBTRVLTION. Al -LAN co C i B wZ Cz Z 42 iin O m U F � JZ W Q W J H OE � s Q W � E b j > A re¢ n I �• NOFE F o X c P-SBA n 05-95-508D mFn �A e ND2AA-W-D-30B0 xo R.. x LTD. C-9K-1 b_ P:P.E.� 1 M.i) _j°=VECFTAIIVE�IEIF ELEV_. tA_JO �� f —� T z �_ IB---- T_.B_s__'Q.n � v25_a Ltfl? _, ts• , - � �I)��.� I � 1. 3 DAM t3.6-\I \ i I TENTION BASW I I DAM BENDTOl' OF FOREBAY ELEV.. J' I L�= T.O.B_ PEAK STORAGE ELEV. —� LIMITS O (TEARING LEVEL SPREADER MECHANISM B4-1 PLAIN B A'-1 �SEE NOTE 2 FOREBAY DAY BENCH 3 t SECTION A -A is SEE NOTE 2- SITE NOTES: FOREBAY DAM BENCH 1. PROVIDE CENTIPEDEGRASS OR ST AD SDNE SOD FOR THE VEGETATIVE FILTER. 1 2. PROVIDE MARSH PLANTS NATIVE TO THE AREA ON 10.37 ; THE VEGETATIVE SHELF AND THE FOREBAY DAM FROM THE FOREBAY DAM BENCH TO THE TOP OF TINE FOREBAY DAM. P.P.E.. 14.37 SECTION B-B FOREBAY DAM DETAIL N.T.S. sTo� 1 �LOR E C E I V E D SEP 031996 D D E M PROJ# js o zs 50 too - 25' !' C C-5K-2 8 I 7 I 6 I 5 I 4 I 3 I 2 I 1 Y 4- . SLOPE VARIEf3 TYPIOAL DETENTION BASIN SECTION N.T.S. P.P.E. = 14.37 Q e NGWT 157 STONE DWKET ON VFSTRENA FACE � 10,E vl,w 1� G 15.60 - WATER WALI1Y ELEV. _ 1T.05 ELEv. 14.12 UP, - 15.60 I l 14.37 13.TD I I D .4 O 12' UCTi WAY, EACH FIGS 6ECTKk1 A -A DISCHARGE STRUCTURE DETNL CRNIP'GE STRUCTURE N.TS. 12' TOP OF& ELEV. VARIES NOWT Q A OR B EROHW CONTROL STONE I I 2 Ile c EAx (TTP. M WAL1,B) 2 X 4 KEY (TTP.) D 5EGIWN 5-B 17. - I ].50 1'-2' 6' 1'-2' WEIR WALL W/ NOTCH A.OS 15.80 - fN. - CIA S O ! SECTKlI1 C-C 10'-e r------------------- OO 16 P I I 'P I m I f2 I A I A a O __________I J PVN H © f2 18 A66WBLY UST e DIA . . RMICED 9 OIL RETEI,I N BAFFLE 2O 6' CIA. OUTET, F1A1A.'F.D 10 SHEEN DAFRF O e OP. TRN6FER FIFE 11 Ap,A15TADLE WTtT WEIR bO 4'-0' X 5'-6' A44+NAY I 12 2' ON V RM15ED SO 5'-0' X 2'-O' IANWIAY 13 a OIA ROTARY PIPE %K R 8O 2' M S DX DRAW OFF, RNKED 14 VTC-2W O NLET 6AFFLE 15 M STORIOE CIw6F.R O VERTICAL TNDE COA155GER5 IB S. OLA OR MW OFF, RANGED © 12 10 M o R E1J�AlgN Gy,ADE m ELEVATION ORN PEA a � PFA GRVEL O — — ARYL ALLY -b ARW D) ♦ INVERT _ — O •P IN 1 p 5 NVERT OUT o N Q o n e P - COD1C. SLID, THICK, HZE TO ro wTH6TNn .• D . D - \ UPLIFT Ir cow,cTEa; .5] STONE llw .5 O Iz' E.W. COIAACTED ] COWACTE SECTgN A -A OIL/WATER SEPARATOR N.TS. .3 RE -BAR PInCED D N CL OF SUB Wjf-�' A ANVERT2'-O-I GUTTER CUTTER THROAT -I OVITER CUTTER TRNi6ilON OPE1II&IG TR.WSITIOH B4V PWI D THROAT OPG CUTTER CUTER ,IVERT RfTV 4-.4 1 1/2' C BRICK OR CONCRETE WN15 .4 RE -BAR AT /TIA]W ROUNDED ENTRNICE 12' a 1 1/2 GlJ FLOv/ RPE INLET GR WAND WIIET GRANT TO DE SVAE ELEVATKN SECIpN A -A NVERT ELEVATION OF M.ET 6 N/ERT EIINATgN OF OUTLET PIPE TOP ELEVATION CN*VIERE AND COVER TO FIT CURD ANSLOPRw w CRAM 04 1-1 1/2- 3 3—I~IOLE 5TEP5 AT 183-.4 TI.NX OG .4 AT 12 OC TID 1 1/—DRICK OR CONCRETEGWPACTEO BACKRLLe CLEAR BRICK OR COIIG TILL .4 AT If 1' CEAEIIT WRTAR 5ECTION B-D fN6H N WTTER CURB INLET 4' THROAT N.T.5. M I,IOTE: II p SEE IXPU T 6EN£R M I I NVER�T EIEVATICDG. I II I I C� I ee I II UPLIFT UPLIDE HOID T 9U! g I I TO WT�TAND II I • IF gM@b1p 15 ARE C• I DIP£ERE1W ON EHUIP II I RN(/viAGCORONA.YT NvERT QNQ II n P m Y 3' CIEAR A Y p z p ovn5r a+D - E1EyntgN f q Y g f C�............. i pS GROUT END ON -•••••••, m RIIST END SEGTp16 ' OUTLET eo 5Ec11ON3 ?s 8 '= .....c,n,. n .L.T PVN E &AR OR STEEL -nBRIC Z REINf4RCNG o Z / V _ Z Z H W A Q K z 9 D I E BEGWfI A -A FRONT EIEVATIDN p D END SECTION OPEWINX6 ; z CIA A 6 O D E 12, a 2-O' 2'-0 4'-D' 2-0' ®•^+D �^ 15 a 2'-3' 1'-6' +-O' 2'-6' 'Dv` rONE 16' S c P-5e4 aC3_95_SONJ 24' 9 1/2' 3'-7- 6'-1'6'-1'4'-0' 30' 1'-0' 4'-6' 1'-7 3/4' 6'-1 3/4' 5'-0' FLARED END SECTION 12'-6e CONCRETE PIPE N.TS FO1K,-NRGIMA` o.I C-15 1 3 � 2 CURB DETAIL "To. 6' p m — h p p O p p p } p p p C p — OURS AND GUTTER DETAIL N.T.5. SIOE'MLK NpTE PROADE CINiROI JC)PIT6 O SPACNG EOVAL TO MOTN OF 51DEWAIK AND 1/7 EXPAN510N JO•TTS EVERY 40' OF 5TRA0#1T RUN, AT A GHANMI) IN DIRECTION D A T AI 6TRUCTURES MID EX*nW CONORETE. UNIEM NOTED OTHERWISE. TURNED -DOWN -EDGE SIDEWALK N.1.5. 6' x 6' W2.9 X W2.9 W.W.F. I MN. CONCRE E is o p L 4' MN. AC.51 E FATE BASE CURSE C,OMPAGTEp SUBGRAOE CONCRETE PAVEMENT SECTION AT CONCRuE1E ENTRANCE fi X 6' W2.9 X W2.9 W.W.F. 6' MN. CONCRETE v �o L CORmAG1El) SUBGRME CONCRETE PAVEMENT SECTION AT CMWA$H. IIIAPSTER PADS, MOTORCYCLE PARKING. F BASKETBALL COURT N.T.S. GTW 00 FAVD.@NT. PANT EXPOMI? EDGE WITH ASPYNLT CEMENT SURFACE EAW q T FEW timA 10115 SECTION REFER TO DETAIL THS $HEFT CI.PACTEO SUMCRADE PAVEMENT CONNECTION DETAIL N.T.S. (FOR UM WHERE NEW 5RUMNOU5 PAVEMENT MILTS EX*TIN6 5rtLIM11,10UI PAVEMENT) D• WIN BIIIAORWv PANT EXPOSED SURFACE CONK. 6t; F CURSE O IZM EDGES W/ TA IXAT MAW Q T, TTP. EXISTING / / E MN. K.GREG'ATE CASE cOURSEJ I BASE COURSE 17 I TRENCH 17 MN ttt WIDM AW NOTE: PROv10E A@INUM iHOKNFE6 SItOMN OR MATCH EXSTNG. WHICHEVER S GREATER. BITUMINOUS PAVEMENT PATCH DETAIL NTS. AIFE //--,TIGTION / ADE WRE FOR EtF WIR NON-METALLIC PIPE6 ONLY SEDONO rHIIxNE% vnmES 12 BELOW FLASHED 61ZADE N UFPAVED ARFJ9. 6' 5E TOP OF SUDGRAOE N PAVED FIFE PA MAXWM cr W 6' TO 15' e' 1(f To 21' 10' 24' TO 50' 17 1•MXwM TRENCH VNIpIH 'Y/ TAKEN AT TOP OF PIPE NOM PRO.TDE DECOPO N MXgRDMOE WITH THE SPEdRUT10FG. FOR NON-PIA6TO PIPFS 'I 1/4' t/D' R •� A 110U10 JOINT 56VANf DETAIL A 2 M Illy. 1u� i IDENTIFICATION CAPE —77 FPNI MLKRLL W A O.D. A DETECTION WIRE i ' PIPE TRENCH WIDTH DETAIL N.T.S. 6' - 1 z' G R PIPE ZONE FOR PVSTO PIPES �J/d (6CCOFO Qln UIJIp ENT 6ENANT J ML. 1/7 WIDTH NON-REACTNE TAPE 1/e' (RR5T Nn DETAIL C SEE DETAIL C SEE DETAIL A 1Nd ED cRAcx M � LEPTH OF 6W CONTi.ACTION JOWT FOR CONCRETE PAVEMENT PREFORLED JOINT FRIER N.T.S. EXPANSION JOINT FOR CONCRETE PAVEMENT NT.6. UOUO JOM S ML. 1/7 MOTH NON-RFACTNE THE MIND BREAKER oETAI M ME DETAIL 5 RRST $IM 9ECIND BW H = DEPTH OF SIM CONSTRUCTION JOINT FOR CONCRETE PAVEMENT NTS. WIXiRATED SUBGf'ADE 24'MN If 1 VJtGER PIPE 1D'MN 10' 1 SMVIER PIPE te' MN C I8o7 - 45' + — o SECTION X-X FVN F ELEVATON MND5 1 TEES PLU6fi 1/4 MEW W 1/IB BENDS TEE$ PWG6 SZE A B A B C D Er t0 T2' 10' 2f 12' U' d 10' 13 10' 17 29' THRUST BLOCKS c. ulw N.T.S. FiNQNEER WIZF( WJRF( Lm. kj C-12 1 D C A 7 f 4 3 2 4'-4' fiWARE FRAME t 00JER N nGGORDNJGE WITH RM EIF'nMIN F6DERN. 6PEOIFIGOR RR-F-621 HG. 6. SIZE 22A FOR FRNAE FIG. 14. 61ZE 22A TbR COVER FM`iNED GRADE 114 ((2) .4 CONT. TTF.) D 5' DRIGK OR COFCRETE b D.._. ROIJ EQ ENTRANDE :.. • W. ELF. OF RIJ.V 4 CATCH N N III RN. ELF. OF W E W •D Dr 2 84 AT If Ob. E.W. FROAVE I 4'-4' SWARE FPN4E t GOIER IN ACGORDANGE WITH RNA ELFAtgN FEDERAL SPEPPCATRMt RR-F-621 F1G 6. 22A FOR FRW4E FIG 14, ZE 22A FOR G R NZ FPIYaIIED CRADE ' U4' 1 4 D S(2) .4 CONT. O T P.) .4 AT 1Y O C. M 0 UO OF STAB 9 ROUNDED ENIRMlGE 5'-0, S E °C Z. 61EP AT 24' 00. OF OD 6 My Y ELF. OF WTIET 4 .4 AT If O.G. EW .4 DOWELS TO WTON WADDLE OF 51AB WALL RENFORGEAENT CgNORETE GWRT PAVF]AFNr O ' •'v ,D•. GONGREIE FOOING NOTE 6EE 6PEGI Tgt£> FOR G BASKETBALL GOAL POST FOUNDATION N.r.S. 10'-0' 25'-0' 25'-0' o TYP. � q Xh 3 �N 0 I` a R. (•61DE) m (WTSIDE) / ( 3 CENTER LNE o O 'ji O � s 6' R. ° (WT51GE) o b 1�16'14 •O F wr F�• Fl - Z� O - 1 O O O END WE O 0 NOTE: ALL CWRT PAVB4ENT uvtKNGS SINLL DE 2' WIDE 6000 LNEfi- NOOF WELDED ON POET 1 1/2- GN.VANlnD 'S NOG., WT N b MNF (TYP.) i1 I � UNOE511UGIED ARFA 1_ ALL MFA5UREI4cN5 FOR G u IMQKINCS ARE TO WTSILE OF NNE EXCEPT CENTER LNE. 2. ALL LANES 5WLL DE 2' WIDE VOLL.EY5ALL COURT LAYOUT TREATED T ER ALL ARG1M1 D I,Im II C d 2 z z �Z 4 V) io cs D z F Q � K rc < NTS. G. AWN MKC11tiN. R.. IS N.TS. 14.i.5. BICatEER-WRVETOR, LiD, NORfOIX, NRG•M C - 1 3 I l I a I 1 1 4 1 32 1 W� EX15TING SRDUND 1 FILTER FABRIC GGKRLL t COMPAOT 5ECigN AT BASE TEMPORARY SEOMW FENCE 6F - 6.62 415. ATTACH 14 C/11(£ WIRE (li:M SPACING 6' MAX.) TO POST. FILTER GRAVEL NLDOT SIZE FS OR t4 COARSE AG(REGATE ATTACH FILTER FABRIC TO WE 1�/ FT W/ / I SEDI 6Eowo+* l EO TRC E%TED FABRC AND WIRE INTO ME TRENCH. STEEL OR ROOD POST W. LETCM - 5' UNE 50' M� � IXETW >. - 12, INLET PROTECTION (FOR CURB mm N.T.S. WOODEN STAKE FILTER FABRIC 6EP%ENT FENCE — REFER TO SE0BIDR FENCE DIFTAL SF - 6.62 FOR 6EFTIY AND AtG10RNG OF � FENCE STORM D"N INLET PROTECTION (FOR CATCH BASIN) IP - 6.51 N.T.O. 4. O.C. TREE PRESERVATION AND PROTECTION TP - 6.05 N.T.S. FIENCNG / ����� TE.IRORARY CHANNEL <TIEW TO EXISTING TE NEW �\ �UNER GRADE A5 INDICATED E%15MG GROUND 6' L 2' S COAx.>E AGPtF m VARIES VARIES FILTER PATH GO SECTION POINT 16' MA%. J 1 TEMPORARY STONE CONSTRUCTION ENTRMICE CE - 6.06 SURFACE AS NQCATFD TYPICAL SWALE SECTION IN A 7 6 ( 5 ROLL OUT STRIPS OF NERIY FARAIEL TO THE OIRELPGN OF FI )p. JOIN6TWP5 BY ANCHCQW ANCHOR f$T1N` IN 6' TRENCH AND EROSION CONTROL MATTING N T.S. 4' REMOVADIZ THREADED PWG FILGn W/ FINAL GRADE 10' W. X 4' THICK CONIC. SIAB (IF NOT IN PAVEMENT) 4 CAST IRON SQL PIPE PLUG AT FIND OF LINE CLEMIOUT DETNL N.T.S. N-O' MN. FROM EDGE OF ROADWAY )LCER OR CURB. T'-0' MA%. 4 1/2' FUMPER Z -O MN. FROM $IDEWAU(2-2 co f/2 HOSE OUTLETS RO DFINISHED Ar GRADE QN. DEPTH OF BURY 2'-6' LEAVE HTDRMlfGRAN OPEN E GATE VALVEWITH ATM 0 FO ROADWAY VALVE EOM H HttXWR CNCPAC OR � 1 UND151JEO Do GRWND CONC- BLOCK GRAVEL OR CRUSHED ROCK WT N PULE 1._6. DRAIN POLKEi THORQ LY COI.RAGIED FIRE HYDRANT N i5. 4 SQUARE F001IG IAAY BE USED IF OEEIRED i SLOPE - I' PER FOOT BENCH GUTTER BENCH M FY OPEN PUTTER TO BUT PIPE LOCATCNG PLAN N O FRAAE t LOVER N ACCORDVCE WITH 1GRQUT FEDERAL SPELIFCACN RR-F-621 FI6. 1, SIZE 24A FOR. FRMIE B FIG. D. SIZE 2s FCR COJER� �' THICK PARCHING ON If BRIO[ CONSTRUCTION FINISHED GRADE B' BRICK OR CONCRETE 4'-0' OM FOR DEPM5 3 WAUb TO BE ,7 THICK FOR V-0' AND 6RFATER �.I% PORTION BEIAW 12,-0 DEPTH TO INVERT N-C' DV. FOR DEPTHS UNDER 5'-0• TO INVERT 1ANItQE 51EP5 AT le MAX CC DRICK OR CONCRETE TOP OF BENCH AT CR OF u CROWN OF INLET PIPES t OUTLET PIPES 4•-- — ROUNDED ENTRANCE TO BE 5 AE SUNATDN FLOW FU W WWI MDRVR FINNSH N OP@1 PATER INERT ELEV OF MIMDIF 5 I $ INVERT ElN OF Q1RET F + GANGRENE fCDTNC I4 AT IV O.L. E.W. SECTION S' MN_ CIFIR u Np 6 Y O W NHOLE ��ii a 1j e "'CARE FOOTING WAY Be ED IF DESIRED )PE -I' PER FOOT PITY OPEN PUTTER TO IT PIPE LOCATGN5 C PLAN -........_ ,., B FRAME t COVER IN ACLORONCE wTM FINISHED PRADE d EOFI A RR FEOERN_ SPEQFICA-F-621 OR F16. 1, SIZE 24A FRAME FIG p, SIZE 24FOR fJR CAhR C 6L INERT ELEV OF INLET PIPING GIVEN HERE REVERSE Y-BRANLH — RDW CONCRETE w DANFILL� BOCK OR \\ CONCRETE CROWN Of INLET E t QJ1llT PIPES TO BE Sv.E V CEMENT Ag m FINISH IN OPEN 6UTTER— CONCRETE FOR SA MH.PROADE Y Z CZZ 1/2' MUCK PNITARY ARCETWG QN BRCx CONGIRUC110ry 4 O s �] I 1a/ Y p' 5R OR CONCRETE WAU-5 TO BE 12' 91CK FOR r % PORTION BELOW 12'-0' DEPTH 0 N Y `. MVY10lE STEPS AT 18 WV OC £ J s nUi W Z < Q N OL 4•-0' VIA TOP OF BENCH AT CROMI OF F K C� PIPES 4 Z W ROUDD NNlY JE.yENTRANCE9 bI N INERT ELEV OF MWDLE 5 t X INVERT ELEV OF WTLET )TAG F4 AT 12 0.0-. EW. G �' MN LLFM c SECTION NONE E 4� A P- DROP WMHOLE o DB-55-so6o N.T.S. N1924TD-95-B-3060 C. AUAN BAMFORM, JR.. J ENGINEER -SURVEYOR, LLD. C-11 NDRFOLK, NRPNN Ti WATCH UNE SHEET C-8 / �1 ! /� ,6ti I I� 1 DEIENfpN MSN I 1 YI I II ^\ I �W=e _— O / V M1p I L__ ____ i.0�_ t0_J"! ----- .E�_��I jZjl' I —PflE 4_J] T 1�14 - 1 ' L➢AT5 OF CtFMING -- Af1D GRAOW iw 6 \ II 0 6 ry� 4� \ I OanvE[ \ PIPE ENO `^P �� \ �' J'p l\\ y\ loz 2 Y , 42' = 636 \ \ 0 — 42' E.5 PIPE END WN\� \ ,01 p9 h ', MN. 72 + 102' = 5,10 j E. 5. ,a\ ^�/ SITE NOTE: PIPE ENO T'' VE(EiAI'NE tlJ✓. 42 = 5.0e 0 �,'� ` �. 0 \ PRONDE JUTE P1G E 6R:D A ,`. 9 ` \ Rl1ER RR11Rl POR THE VEGEiATTVE PN!✓.E MO: 102' = 346 `, �� \ `+y6 0E11 1�.� OF�GWJ9 iPR i0 PU1TryD5TNJp O VSE. e.\ Pp 6 i \ N \ 9 t1 \ t yh � ros 90 QS \ 96 \ \' I\ I 1` `60 ! eI ,9• o\ I Dry , C m Y 0 of v z z Y 0 i> Q R � l3� O � F F < N x J H � Q W mz E � � w e „a g t� A c. A1LN ay.FORn1. ,ra.. �... � elam+ Erra+eER-suRVEroR. Lro. SP"HIC SCALE Roa1w. NRW .�334e n P-3e4 e OS-95-5080 23 0 25 50 100 �R �rn ¢ R324A-93-D-3060 1. _ �. Ci —10 4 i ? 1 �—Mm MATCH LINE SHEET C-6 m c v 6 Y W � m o Z � � v x 4 j i Z B a � 4 K v Z Z t � > 0 3y ca � N F W < Q N � J H � Q z W S � s h H t A c. nwr+ et+.so4M, x.. w. ,v 5�q/m @�W�EE4-SURVEYOR, Lro. GRMHIG SCALE NORPUIK, N4GD1N c P-5Da c OS-95-5pDp n o zs eo 00 �• � �' rv02am-A-D-DO80 a�jDgap �¢ n a9 C-9 M15y M15M1 �i M1h� MATCH UNE SHEET C-7 \1 L 4 > B d oc Y Z 2 F Q � w J � ~ W J H o< Q z W s i 2s j I c. nu�M RAMEORM, ENW EER-WRVEYOR. LTD c c /5 Egvrt� GRAPHIC SCALE NO FW. MROM1 �35gip i n P-Spa e o5-ss-Soso 25 0 25 50 1 W t' 25' MD2<"N-Bp-D-SOp0 p a9 C-6 2 � 1 C w00D� fl \� � II PIPE END\ !\ INV, 42" = 6,36 p �� PIPE END w N. INV. 72" w IO2_ PIPE END 1 \ INV. 42" = 50H b PIPE END INV. 72' x 102 = J.46 E. MATCH UNE SHEET C-3 �� / ♦pM1 A9' I1 DETENTION BASIN I I I h f [rfJ/ l I I. 9♦ L--_ I TOP OF FWMAY I I b ? \ ,9 _-!U 10d__ - I I AMEUV.. 13,371 -J C _P_PE_- 14.37 — — '4'/— EEI VVT__L4 VE O\t J I I I qp I Z Uu1T5 OF XX 0 CLEAPoNG g/ 6 i6 1 / ppJ , 1y ,rys b / h♦ \ \ 1h by i _ t ,9♦ a 42" ES, ti ID � \ I 19M1 c Ib SITE NOTE: \ =o \\0 VEGETADW PRONDE JUTE MESH. SEED AND L^¢ E � \ FlLTER EER71UZER FOR THE VEGETAT1Yf Ij'+ d y FlLTER. ESTABLISH A GODO STAND ZSTfC f Y`i 0' OF CRA$ Mi TO lklUlNG THE Alb J = P y P o IN TO USE. \ iS bi as a \h\ \�^ ♦h7 � � i B \ s `.o z S > Y Z Z O � O F 7 Ca Z �f Z ti W F Q In K 1- g 5 z b M � � A C. NEBAUFORXi. ENgNEERSU -RVEYOR, LID. 4uc a� 5110KTH GRAPHIC SCALE NptFOIH, NRONIA 43�g4 n P-S n 05-95-50f.0 25 0 25 50 100 1' - 25' NO2aA-95-6-5000 <?Y9C6 49 C-5 0 8 7 a i WIGH UNt 5Htt1 G-J sr� -a. D 11M 111,11111 YZ Z y O i N O t G tu F � z Zp Z Z N F W < Z F ti Q m OC mZ 1 S U= rc _ � V « e i ' G. nllNl BN.6nRfH, JR., ma FNC4NEER-SURJEYOR, L*D. �I•/5 fNOMI �iMHiG SU�LE nroREo� VIRQIN c P-5G4 -564 n OS-95-50BJ 25 O 25 50 100 i. a.6m mEid'6z4-,n-es-e-xeo as 3 ,a 6 49 C-4 2 � 1 0 c n } ryy. SURVEY NM6: LEGEND E70577NG (E) NEW s 1. TOPO(RAPHIG SURVEY PREPARED BY C. ALLM BAAFORM, X.. SPOT EI£VAngJ ryyry M20 i ENGINEER - SURVEYOR, LTD.. DATEO FNY 19. 1995. ' 0� 2- THIS SURVEY DOE5 NOT GIMRNITEE THE E%151 ENLE/NONE%STENLE. TOP OF WRO OR CONCRETE (TG) ELEVATION D'1 iL 25.35 SIZE tt E OR L TION OF UNDERGROVND VnLInE5. UTIUTIE6 SHOWN ME BhrEp ON r30�EGR0UN0 UnL STRULIURE5 (I.•.. ELEVATN]N OF [TITTER. PAVEMENT OR GROUND l0 ryry / 2A.BS VALVEg. Mva10LE9. ETC-) —V AVAI A IE UTILITY MAPS. THE fgMRACiDR SIWJ. FIELD VERIFY ME LO TION OF ALL UnUnE5 BfM.IR10115 PAVEI.@Ii �— PRIOR TO CON5IRVCMN. 3. iflAPORMY BO CHKMRK (TBM) q A RNLROAD SPIKE N Unjl POLE GFMERUNE gTLH/SWNE ... — ... M Ngf/.TEO ON SHEET C-2. (ELEV.=23.32') O 4_ EIEVAnONb ME W FEET AND REFER T(/ NAD Ig0.5. CpILRETE (C,ONC.) LOAD V L fib U LONTg1R 2] Y gIRB QIRB GIITTER EDGE OF WTIOD9 --- PENCE FENCE —x—A—A—A— �e GRAVEL C£1VEL TOE OF SCOPE (r O,S) ___._ r.o.5. TOP OF BAIaK (TO.B-) _ _ LOB. _ _ _ _ T016 y Y F TREE OJ HFM 0H LINE ? i P SN•TM1' (SAN.) SEWER B E. _ y a 5N a I$ MY (S Nj SEWER FORCE (F.M.) 4' E 5 . FAL R I STORM (5.) �R 12 F 5 ___ / YE YNTEµ R (W.) IN B• F W B• W ry fiVCH BWN (GIB.) M co, G.B. 7 � coFNun (OONO.) CO.vO. ,,. G;?;.••J \ \ O RD MET ((:.I.) M1 iM1R II PRE DEPARI.FNT (OEPI.) COI+IECMM (COFIN.) .r NRE M". Cp+l y PRE HTDRANf (F.H.) o F.H. FH. jdg' GUY WIRE . + 0 0 E A 9 M1a 1.WCgLE (AN.) O E A1H. • SW. FH. d I l POW OF CONNECTION O 7 �' ♦ POST NDIC/.TOR VALVE (P IV.) Z z S W F unLnY POLE -j 0 -j K R lea �' �•eq N•j UnL PCIE W/ LI e—c a 3 �• _DIP/ / S B� �Cp4 WATER VALVE (W.V.) Wv rjp'4 / / M1V e by, YARD HlgWff O yLS w/ }¢ _ c. nll.w wacoRm. ,a.. 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