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HomeMy WebLinkAbout20020677 Ver 2_401 Application_20130807Dewberry August 5, 2013 Ms. Karen Higgins Wetlands, Buffer, and Stormwater — Compliance & Permitting Unit NC Division of Water Quality 1650 Mail Service Center Raleigh, North Carolina 27699 -1650 Reference: City of Raleigh 0 a- 061-11) 3- Dewberry Engineers Inc. 2301 Rexwoods Drive, Suite 200 Raleigh, NC 27607 -3366 919.881.9939 919.881.9923 fax www.deewberrycom Clear Brook Drive Bank Stabilization Buffer Permit Application Dewberry Project No. 50047595 ►��J Dear Ms. Higgins: at Enclosed are five copies of a Pre - Construction Notification (PCN) Permit Application Package for the City of Raleigh Clerestory Place Bank Stabilization project. For your review we have enclosed five copies of the PCN Application Form, Attachment A — Additional Information, USGS Quadrangle Map, site photos, bank stabilization detail, pump around detail, coffer dam detail, and the $240.0o application fee. The project titled "Clear Brook Drive Bank Stabilization" consists of stabilizing a stream bank in three locations along an Unnamed Tributary to Mine Creek. The first location requires bank stabilization to protect a manhole that has become threatened by erosion. The second location requires bank stabilization as erosion has threatened a homeowner's property. Finally, the third location requires the stabilization of stream bank around a manhole that has become threatened due to erosion. This activity will occur in a sanitary sewer easement that has not been maintained in the last 10 years. The construction described in this permit application will result in approximately 9,630 square feet of Zone 1 and approximately 3,26o square feet of Zone 2 buffer impacts within an unmaintained utility easement and 90 linear feet of stream disturbance. Please contact me with any questions regarding this permit application. Sincerely, Dewberry Engineers Inc. X73,.* Ce Mary T. Brice, P.E., LEED AP Project Engineer Enclosures CC: Sammy Locklear, Public Utilities P:\50022492 \Adm \Permits \C1ear Brook Dr \2013 07 12- DWQ Cover Letter.docx AUG - ? 2013 �aF WALe4 G H Oi o •c Office Use Only: Corps action ID no DWQ project no. Form Version 14 January 2009 Pre - Construction Notification (PCN) Form A. Applicant Information 1. Processing 1a. Type(s) of approval sought from the Corps: ❑ Section 404 Permit ❑ Section 10 Permit 1 b. Specify Nationwide Permit (NWP) number: 13 or General Permit (GP) number: 1 c. Has the NWP or GP number been verified by the Corps? ❑ Yes ❑X No 1d. Type(s) of approval sought from the DWQ (check all that apply): ❑ 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit ❑ 401 Water Quality Certification — Express ❑X Riparian Buffer Authorization 1e. Is this notification solely for the record because written approval is not required? For the record only for DWQ 401 Certification: p Yes ❑ No For the record only for Corps Permit: Yes ❑ No 1f. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts? If so, attach the acceptance letter from mitigation bank or in -lieu fee program. ❑ Yes Q No 1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h below. ❑ Yes No 1h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes Q No 2. Project Information 2a. Name of project: Clear Brook Drive Bank Stabilization 2b. County: Wake 2c. Nearest municipality / town: Raleigh 2d. Subdivision name: N/A 2e. NCDOT only, T.I.P. or state project no: N/A 3. Owner Information 3a. Name(s) on Recorded Deed: 3b. Deed Book and Page No. 3c. Responsible Party (for LLC if applicable): City of Raleigh (Public Utilities Department) 3d. Street address: 3324 Lake Woodard Drive 3e. City, state, zip: Raleigh, NC 27604 3f. Telephone no.: 919 - 996 -4540 3g. Fax no.: 919 - 857 -4545 3h. Email address: Page 1 of 10 PCN Form — Version 1.4 January 2009 4. Applicant Information (if different from owner) 4a. Applicant is: ❑ Agent ❑ Other, specify: 4b. Name: 4c. Business name (if applicable): 4d. Street address: 4e. City, state, zip: 4f. Telephone no.: 4g. Fax no.: 4h. Email address: 5. Agent/Consultant Information (if applicable) 5a. Name: Mary T. Brice 5b. Business name (if applicable): Dewberry & Davis, Inc. (Dewberry) 5c. Street address: 2301 Rexwoods Drive Suite 200 5d. City, state, zip: Raleigh, NC 27607 5e. Telephone no.: 919 -424 -3704 5f. Fax no.: 919 - 881 -9923 5g. Email address: mbdce @dewberry.com Page 2 of 10 B. Project Information and Prior Project History 1. Property Identification 1a. Property identification no. (tax PIN or parcel ID): 11707783429 000 1b. Site coordinates (in decimal degrees): I Latitude: 35.8888 Longitude: - 78.6355 1c. Property size: acres 2. Surface Waters 2a. Name of nearest body of water to proposed project: UT to Mine Creek 2b. Water Quality Classification of nearest receiving water: I QNSW 2c. River basin: Neuse 3. Project Description 3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application: Project site is in existing sanitary sewer easement and right -of way that has not been maintained in the last 10 years. Streambank erosion is threatening integrity of manholes and sanitary sewer gravity mains in two locations and a homeowner's property at one other location. Land use in the vicinity of the project is residential. 3b. List the total estimated acreage of all existing wetlands on the property: 0 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 3d. Explain the purpose of the proposed project: To protect the sanitary sewer and Manholes from further erosion of the stream bank. 3e. Describe the overall project in detail, including the type of equipment to be used: See Attachment A 4. Jurisdictional Determinations 4a. Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / project (including all prior phases) in the past? ❑ Yes ❑ No ❑X Unknown Comments: 4b. If the Corps made the jurisdictional determination, what type of determination was made? Preliminary Final 4c. If yes, who delineated the jurisdictional areas? Name (if known): Agency /Consultant Company: I Other: 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. 5. Project History 5a. Have permits or certifications been requested or obtained for this project (including all prior phases) in the past? ❑ Yes ❑ No ❑X Unknown 5b. If yes, explain in detail according to "help file" instructions. 6. Future Project Plans 6a. Is this a phased project? ❑ Yes ❑X No 6b. If yes, explain. Page 3 of 10 PCN Form — Version 1.4 January 2009 C. Proposed Impacts Inventory 1. Impacts Summary 1 a. Which sections were completed below for your project (check all that apply): ❑ Wetlands ❑X Streams — tributaries Q Buffers ❑ Open Waters ❑ Pond Construction 2. Wetland Impacts If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted. 2a. Wetland impact number Permanent (P) or Temporary 2b. Type of impact 2c. Type of wetland 2d. Forested 2e. Type of jurisdiction Corps (404,10) or DWQ (401, other) 2f. Area of impact (acres) W1 - Choose one Choose one Yes /No - W2 - Choose one Choose one Yes/No - W3 - Choose one Choose one Yes/No - W4 - Choose one Choose one Yes/No - W5 - Choose one Choose one Yes/No - W6 - Choose one Choose one Yes/No 2g. Total Wetland Impacts: 2h. Comments: 3. Stream Impacts If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this question for all stream sites impacted. 3a. Stream impact number Permanent (P) or Temporary m 3b. Type of impact 3c. Stream name 3d. Perennial (PER) or intermittent (INT)? 3e. Type of jurisdiction 3f. Average stream width (feet) 3g. Impact length (linear feet) S1 P Stabilization UT to Mine Creek INT DWQ 6 30 S2 P Stabilization UT to Mine Creek INT DWQ 6 40 S3 P Stabilization UT to Mine Creek INT DWQ 6 20 S4 - Choose one - S5 - Choose one - S6 - Choose one - 3h. Total stream and tributary impacts 90 3i. Comments: Stabilize stream to protect manhole and exposed sewer line that run parallel to UT to Perry Creek in an easement that has not been maintained in the last 10 years. Page 4 of 10 PCN Form — Version 1.4 January 2009 4. Open Water Impacts If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of the U.S. then individually list all open water impacts below. 4a. Open water impact number Permanent (P) or Temporary 4b. Name of waterbody (if applicable) 4c. Type of impact 4d. Waterbody type 4e. Area of impact (acres) 01 - Choose one Choose 02 - Choose one Choose 03 - Choose one Choose 04 - Choose one Choose 4f. Total open water impacts 4g. Comments: 5. Pond or Lake Construction If pond or lake construction proposed, the complete the chart below. 5a. Pond ID number 5b. Proposed use or purpose of pond 5c. Wetland Impacts (acres) 5d. Stream Impacts (feet) 5e. Upland (acres) Flooded Filled Excavated Flooded Filled Excavated P1 Choose one P2 Choose one 5f. Total: 5g. Comments: 5h. Is a dam high hazard permit required? ❑ Yes ❑ No If yes, permit ID no: 5i. Expected pond surface area (acres): 5j. Size of pond watershed (acres): 5k. Method of construction: 6. Buffer Impacts (for DWQ) If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts below. If any impacts require mitigation, then you MUST fill out Section D of this form. 6a. Project is in which protected basin? ❑X Neuse ❑ Tar - Pamlico ❑ Catawba ❑ Randleman ❑ Other: 6b. Buffer Impact number— Permanent (P) or Temporary 6c. Reason for impact 6d. Stream name 6e. Buffer mitigation required? 6f. Zone 1 impact (square feet 6g. Zone 2 impact (square feet B1 P Bank Stabilization Unnamed Tributary to Mine Creek No 7,530 1,860 B2 P Bank Stabilization Unnamed Tributary to Mine Creek No 1,200 800 B3 P Bank Stabilization Unnamed Tributary to Mine Creek No 900 600 B4 - Yes/No B5 - Yes /No B6 - Yes/No 6h. Total Buffer Impacts: 9,630 3,260 6i. Comments: Easement has not been maintained in the last 10 years Page 5 of 10 D. Impact Justification and Mitigation 1. Avoidance and Minimization 1 a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. The placement of rip -rap will not intrude into the stream, a dumptruck will deliver the rip-rap and, if necessary, a backhoe may further place the rip-rap into specific areas. A pump- around or coffer dam will be used during stream stabilization to ensure all work occurs in the dry. 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. Contractor will minimize impacts to area by confining work area to minimal extents possible and using erosion control devices. A pump - around or coffer dam will be used during stream stabilization to ensure all work occurs in the dry. 2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State? ❑ Yes Q No 2b. If yes, mitigation is required by (check all that apply): ❑ DWQ ❑ Corps 2c. If yes, which mitigation option will be used for this project? ❑ Mitigation bank ❑ Payment to in -lieu fee program ❑ Permittee Responsible Mitigation 3. Complete if Using a Mitigation Bank 3a. Name of Mitigation Bank: 3b. Credits Purchased (attach receipt and letter) Type: Choose one Type: Choose one Type: Choose one Quantity: Quantity: Quantity: 3c. Comments: 4. Complete if Making a Payment to In -lieu Fee Program 4a. Approval letter from in -lieu fee program is attached. ❑ Yes 4b. Stream mitigation requested: linear feet 4c. If using stream mitigation, stream temperature: Choose one 4d. Buffer mitigation requested (DWQ only): square feet 4e. Riparian wetland mitigation requested: acres 4f. Non - riparian wetland mitigation requested: acres 4g. Coastal (tidal) wetland mitigation requested: acres 4h. Comments: 5. Complete if Using a Permittee Responsible Mitigation Plan 5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan. Page 6 of 10 PCN Form — Version 1.4 January 2009 6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ 6a. Will the project result in an impact within a protected riparian buffer that requires Yes Q No buffer mitigation? 6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the amount of mitigation required. 6c. 6d. 6e. Zone Reason for impact Total impact Multiplier Required mitigation (square feet) (square feet) Zone 1 3 (2 for Catawba) Zone 2 1.5 6f. Total buffer mitigation required: 6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank, permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund). 6h. Comments: Page 7 of 10 E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 1a. Does the project include or is it adjacent to protected riparian buffers identified ❑X Yes ❑ No within one of the NC Riparian Buffer Protection Rules? 1 b. If yes, then is a diffuse flow plan included? If no, explain why. Work is placement of rip -rap to prevent erosion to streambank There will be no change in flow patterns. ❑ Yes Q No 2. Stormwater Management Plan 2a. What is the overall percent imperviousness of this project? 0 2b. Does this project require a Stormwater Management Plan? ❑ Yes ❑X No 2c. If this project DOES NOT require a Stormwater Management Plan, explain why: Disturbed area will be less than 1 acre 2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan: 2e. Who will be responsible for the review of the Stormwater Management Plan? 3. Certified Local Government Stormwater Review 3a. In which local government's jurisdiction is this project? City of Raleigh ❑ Phase II ❑ NSW 3b. Which of the following locally- implemented stormwater management programs ❑ USMP apply (check all that apply): ❑ Water Supply Watershed ❑X Other: Not Required 3c. Has the approved Stormwater Management Plan with proof of approval been ❑ Yes ❑ No attached? 4. DWQ Stormwater Program Review ❑Coastal counties ❑HQW 4a. Which of the following state - implemented stormwater management programs apply ❑ORW (check all that apply): ❑Session Law 2006 -246 []Other: 4b. Has the approved Stormwater Management Plan with proof of approval been ❑ Yes ❑ No attached. 5. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? ❑ Yes ❑ No 5b. Have all of the 401 Unit submittal requirements been met? ❑ Yes ❑ No Page 8 of 10 PCN Form — Version 1.4 January 2009 F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) 1a. Does the project involve an expenditure of public (federal /state/local) funds or the 0 Yes ❑ No use of public (federal /state) land? 1 b. If you answered "yes" to the above, does the project require preparation of an environmental document pursuant to the requirements of the National or State ❑ Yes Q No (North Carolina) Environmental Policy Act (NEPA/SEPA)? 1c. If you answered "yes" to the above, has the document review been finalized by the State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval ❑ Yes ❑ No letter.) Comments: 2. Violations (DWQ Requirement) 2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ❑ Yes Q No or Riparian Buffer Rules (15A NCAC 2B .0200)? 2b. Is this an after - the -fact permit application? ❑ Yes Q No 2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s): 3. Cumulative Impacts (DWQ Requirement) 3a. Will this project (based on past and reasonably anticipated future impacts) result in ❑Yes ❑X No additional development, which could impact nearby downstream water quality? 3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent DWQ policy. If you answered "no," provide a short narrative description. 4. Sewage Disposal (DWQ Requirement) 4a. Clearly detail the ultimate treatment methods and disposition (non - discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. No wastewater will be generated during this project. Page 9 of 10 PCN Form — Version 1.4 January 2009 S. Endangered Species and Designated Critical Habitat (Corps Requirement) 5a. Will this project occur in or near an area with federally protected species or ❑ Yes ❑ No habitat? 5b. Have you checked with the USFWS concerning Endangered Species Act ❑ Yes ❑ No impacts? 5c. If yes, indicate the USFWS Field Office you have contacted. - 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? 6. Essential Fish Habitat (Corps Requirement) 6a. Will this project occur in or near an area designated as essential fish habitat? ❑ Yes ❑ No 6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat? 7. Historic or Prehistoric Cultural Resources (Corps Requirement) 7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation ❑ Yes ❑ No status (e.g., National Historic Trust designation or properties significant in North Carolina history and archaeology)? 7b. What data sources did you use to determine whether your site would impact historic or archeological resources? 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA- designated 100 -year floodplain? ❑ Yes Q No 8b. If yes, explain how project meets FEMA requirements: 8c. What source(s) did you use to make the floodplain determination? FEMA FIRM Map # 3720170700J Effective May 2, 2006 Perry James, Interim City Manager City of Raleigh Post Office Box 590 Raleigh, NC 27602 p nUA ent's Signature Applicant/Agent's Printed Name Date (Agen ' nature valid only if an authorization letter from the applican t is provided.) Page 10 of 10 Attachment A —Additional Information 3.3.e. Detailed project description including equipment to be used Erosion of stream bank threatens the integrity of two manholes and one section of private property at three different work areas located in a sanitary sewer easement that has not been maintained within the last 10 years. All work areas occur along an Unnamed Tributary of Mine Creek. Work Area #1: Approximately 30 LF of stream bank has eroded, threatening a manhole. Construction activity will consist of placing rip -rap along 30 LF of the south stream bank to prevent further erosion in this area and replicate the location of the un- eroded stream bank. Approximately 7,530 square feet of Zone 1 and 1,860 square feet of Zone 2 buffer will be disturbed to gain access to the work site. Work Area #2: Approximately 40 LF of stream bank has eroded, threatening a homeowner's property. Construction activity will be limited to the extents of the sanitary sewer easement on the north side of the stream. Rip rap will be placed along 40 LF of the south stream bank to prevent further erosion in this area and replicate the location of the un- eroded stream bank. The work site will be accessed from the existing City of Raleigh Honeycutt Greenway construction zone plus an additional 1,200 square feet of Zone 1 and 800 square feet of Zone 2 buffer disturbance. Work Area #3: Approximately 20 LF of stream bank has eroded threatening the integrity of a sanitary sewer manhole. Construction activity will consist of placing rip -rap along 20 LF of the south stream bank to prevent further erosion in this area and replicate the location of the un- eroded stream bank. Approximately 900 square feet of Zone 1 and 600 square feet of Zone 2 buffer will be disturbed to gain access to the work site. A stream bank stabilization standard detail is attached. Conventional construction equipment (hydraulic excavators and dumptrucks) will be used. The buffer disturbances will be seeded and mulched. _k .1 Figure 1: Work Area #1. Facing South. Stream bank has eroded threatening the manhole. Project site is located on a sanitary sewer easement that has not been maintained within the last 10 years. Figure 3: Work Area #3. Facing South. Stream bank has eroded threatening the manhole. Project site is located on a sanitary sewer easement that has not been maintained within the last 10 years. Figure 2: Work Area #2. Facing South. Stream bank has eroded threatening the fence line of a private property. Construction activity will occur from the opposite stream bank within the sanitary sewer easement. The sanitary sewer easement has not been maintained within the last 10 years. Clear Brook Drive FLOW A FLOW it f� WORK AREA LENGTH NOT TO EXCEED THAT WHICH CAN BE COMPLETED IN ONE DAY NOTES: • CONTRACTOR IS RESPONSIBLE FOR MAINTAINING WORK IN THE DRY. • PUMPING MAY BE REQUIRED TO KEEP WORK AREA DEWATERED • ENCROACHMENT INTO WATERCOURSE SHOULD BE MINIMIZED • COFFERDAM SHALL BE REMOVED WHEN WORK IS COMPLETE AND SHALL NOT BE LEFT UNATTENDED FOR ANY 24 HOUR PERIOD SECTION A -A CROSS SECTION OF SANDBAG COFFERDAM TEMPORARY SANDBAG COFFERDAM NOT TO SCALE DATE I TITLE 02/15/2013 50022492 TEMPORARY SANDBAG COFFERDAM TYPICAL DETAIL Q`i .. AO " P�o T • SK -1 Dewberry Dewberry Engineers, Inc. 23D1 REXWOODS DRIVE SLATE 200 RALEIGH NC27007 PHONE 910 001 9CI9 FAX 9198010923 DATE I TITLE 02/15/2013 50022492 TEMPORARY SANDBAG COFFERDAM TYPICAL DETAIL Q`i .. AO " P�o T • SK -1 20 18 16 14 12 10 8 6 4 2 APPROXIMATE EXISTING GROUND TIE TO GRADE -� 20 18 16 14 12 10 8 6 4 2 .O ............ O'' a� 2�3: SK-2 0 NOTES 4STALL BLACK D• •��D WILLOW OR LIVE , 2. BOULDERS 3 -4 FEET IN DIAMETER IN LOWER 1/2 AND 1 -2 FEET DIAMETER IN UPPER 1/2. ® 11AI 5= • TITLE Dewberry 02/15/2013 CROSS SECTION DETAIL 'IS 11 RIP DR Er, Dewberry Engineers, Inc. �xw000s oravE STREAM BANK -•.•. SU RALEIGH PHONE" ig si 9 PHONE 819881 gDJg 50022492 FAX 91 goal Q ! ,i .��.� • • � �dW • r p�I.�I.� %/ EXPECTED 1AND ERO BAR-1 • INSTA • - AEL 2 LAYERS *)F • FOOTERJ 20 18 16 14 12 10 8 6 4 2 .O ............ O'' a� 2�3: SK-2 0 NOTES 1. UPPER 1/3 OF BANK TO HAVE SOIL FILLED VOIDS IN BOULDERS FOR WILLOW LIVE STAK 2. BOULDERS 3 -4 FEET IN DIAMETER IN LOWER 1/2 AND 1 -2 FEET DIAMETER IN UPPER 1/2. ® DATE TITLE Dewberry 02/15/2013 CROSS SECTION DETAIL Dewberry Engineers, Inc. �xw000s oravE STREAM BANK PROJ. NO SU RALEIGH PHONE" ig si 9 PHONE 819881 gDJg 50022492 STABILIZATION FAX 91 goal Q ! 20 18 16 14 12 10 8 6 4 2 .O ............ O'' a� 2�3: SK-2 TO CHECK DAM APPROVDED DEWATERING DEVICE PROVIDE POSITIVE DRAINAGE TO STREAM FLOW ­99� SEDIMENT DIKE PUMPS SHOULD DISCHARGE ONTO A STABLE VELOCITY DISSIPATOR MADE OF RIP RAP OR SANDBAGS STREAM DIVERSION PUMPS — SIZE FOR 2 YEAR STORM (63 CFS FOR LIONS PARK) CONTRACTOR SHALL E HOSES PROVIDE. P INTAKE HOSE P DEWATERING PUMP NTAKE HOSE CLEAN WATER DIKE WORK AREA — LENGTH NOT TO EXCEED THAT WHICH CAN BE COMPLETED IN ONE DAY FLOW PLAN VIEW NOTES 1. ALL PUMP AROUND EQUIPMENT SHALL BE PLACED IN A DRY IMPERVIOUS SHEETING AREA. BASE FLOW + 1 FOOT 2 FILTER BAGS OR OTHER WORK AREA (2 FOOT MIN) APPROVED DEWATERING DEVICE TviiA �� AV�� / �V SHALL BE INSPECTED WEEKLY AND AFTER EVERY RAINFALL EVENT 1/2" AND GREATER. SECTION A-A 3 REMOVE SEDIMENT AS NEEDED CROSS SECTION OF SANDBAG DIKE TEMPORARY PUMP AROUND NJ S SUMP —HOLE OR POOL (12" to 18" DEEP 2' DIA ) a., DewberryTITLE SHEET NO. • 08/05/2013 STANDARD DETAIL '9' Dewberry Engineers, lno. TEMPORARY PUMP AROUND S K -3 2101 ROMOoos DRIVE PROJ. NO. SUITE z8D RALEIGH 619=°' 50022492 9,999,99 FAX 919881980 NHS I F0929