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Home My WebLink About20210947 Ver 1_More Info Received_20210616Strickland, Bev From: Cogdell, Benjamin E <Benjamin.Cogdell@atkinsglobal.com> Sent: Wednesday, June 16, 2021 9:09 AM To: Homewood, Sue Cc: David.E.Bailey2@usace.army.mil; Hill, Johnnie; Cusack, Matthew T; Sachan, Amit Subject: [External] RE: Woodcroft Circle Streambank Stab Attachments: Planting_Plan_rev.pdf; Woodcroft Planting detail_06042021.xlsx Follow Up Flag: Follow up Flag Status: Flagged CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to Report Spam. Hello Sue and David, In response to Question 1 below our answer is "Yes, we intend to do a full pump around 24/7 (see notes 4 and 5 below from Sheet 12 of 12 of the Woodcroft design plans) unless a storm event of a sufficient magnitude requires the contractor to dismantle the diversion (see notes 6 and 7). NOTE' 1. PUMP AROUND PUMP ArJD HOSE SHALL ADEOLIATELY CONVEY BASEFLOw OEWATERING PUMP SHALL ADEOUA4TELy cEwAT F I. THE WOPK AREA AT THE OOWFNSTREAM Ik4PE RvIOUS BARRIER, 2. PUMP AROUND PUMP INTAKE END SHALL INCLUDE A FISH SCREEN TO PREVENT ENTRAINMENT OF FISH. S. UPSTREAM AND DOWNSTREAM LIMITS OF PUMP -AROUND OPERATION SHALL BE COORDINATED WITH CONSTRUCTION PHASING IN ORDER TO MINIMIZE THE LENGTH AND DURATION OF PUMPING_ 4. INSTALL TEMPORARY IMPERv1OU$ BARRIER_ PUMP. HOSE, AND STABILIZED OUTLET FOR PUMP -AROUND OPERATION AS DEPICTED UN 711E PLAN. PUMP AROUND MAY Bf DISCHARGED OIRECTLY IN'tp't -IE STREAM (NO SEDIMENT FILTRATIONS REGUIRED). 5. INSTALL DEWATERINC PUMP, HOSE_ CEWATERIHG BAG. AND STA$ILI2ED OUTLET. AND OPERATE AS NECESSARY TO REMOVE WATER WITHIN THE WORKZONE, DISCHARGING THROUGH THE BAG. G. A CONTINUOUS FLOW PATH SHALL BE MAINTAINED WITHIN THE STREAM CHANNEL AT ALL TIMES IN ORDER TO CONVEY OVERFLOW DURING STORM EVENTS. 7. IF A FLOOD EVENT IS FORECASTED TO EXCEED THE CAPACITY OF THE FLOW DIVERSION, CONTRACTOR MAY TEMPORARILY .DISMANTLE THE PUMP AROUND OPERATION ONCE DISTURBED AREAS ARE FULLY STA$ILIZED THROLTOH THE DURATION OF THE STORM EVENT, Regarding Question 2, it is not our intention to revegetate the Buffer Zones with an herbaceous -only cover type. Our intention is to restore the vegetation to the cover type that is currently present on site, "like for like". Please find the updated planting plan and accompanying figure attached which reflect Ms. Munzer's previous comments related to the Webster Road site. I hope these responses fully answer your questions. Please let me know if we can provide any additional information on the details of this project. Thank you, Ben Cogdell Senior Scientist I North America Sciences Technical Professional Organization 1 919 431 5226 919 920 7868 Mcins, f aSICt t 1616 E. Millbrook Rd, Suite 160, Raleigh, North Carolina 27609 • IMPACT AND GROWTH OF DIGITAL TWINS Improving safety, maintenance efficiency and data -rich decision -making. Read Donna Huey's ar t cte, ATKINS Member of the SNC Laval in biuup Company From: Homewood, Sue <sue.homewood@ncdenr.gov> Sent: Tuesday, June 1, 2021 11:30 AM To: Cogdell, Benjamin E <Benjamin.Cogdell@atkinsglobal.com> Cc: David.E.Bailey2@usace.army.mil; Hill, Johnnie <Johnnie.Hill@greensboro-nc.gov> Subject: Woodcroft Circle Streambank Stab Hello Ben, In reviewing this application I have a couple questions: 1. This seems to be a pretty large stream with a large watershed. You are proposing a complete pump around but I'm unclear if it will be used only during the days you are working, with water to be allowed back into the channel at night, weekends, etc) or if you are proposing to pump around 24/7 until the work is done? 2. It appears that the stream currently has a wooded buffer but that you are proposing only seeding with herbaceous plants upon project completion. Is that correct? Sue Homewood Division of Water Resources, Winston Salem Regional Office Department of Environmental Quality 336 776 9693 office 336 813 1863 mobile Sue.Homewood@ncdenr.gov 450 W. Hanes Mill Rd, Suite 300 Winston Salem NC 27105 This email and any attached files are confidential and copyright protected. If you are not the addressee, any dissemination of this communication is strictly 2 prohibited. Unless otherwise expressly agreed in writing, nothing stated in this communication shall be legally binding. The ultimate parent company of the Atkins Group is SNC-Lavalin Group Inc. Registered in Quebec, Canada No. 059041-0. Registered Office 455 boul. Rene -Levesque Ouest, Montreal, Quebec, Canada, H2Z 1Z3. A list of Atkins Group companies registered in the United Kingdom and locations around the world can be found at http://www.atkinsglobal.com/site- services/group-company-registration-details Consider the environment. Please don't print this e-mail unless you really need to. 3 Forested Buffer Planting Zone (Trees) (6,714 sq-ft or 0.154 Acres) Scientific Name Common Name Minimum Size Spacing on Center (feet) Estimated Planting Units (Total) Acer floridanum southern sugar maple 2.5" dbh 10 x 10 50 Acer negundo boxelder Acer rubrum red maple Betula nigra river birch Carya cordiformis bitternut hickory Carya ovata shagbark hickory Celtis laevigata sugarberry, hackberry Fagus grandifolia American beech Fraxinus pennsylvanica green ash Fraxinus profunda pumpkin ash, red ash Juglans nigra black walnut Liriodendron tulipifera tulip poplar, yellow poplar Magnolia virginiana sweetbay magnolia Pinus echinata shortleaf pine Pinus taeda loblolly pine Platanus occidentalis sycamore Quercus alba white oak Quercus michauxii swamp chestnut oak Quercus nigra water oak Quercus rubra northern red oak Quercus phellos willow oak Quercus shumardii shumard oak Robinia pseudoacacia black locust Tilia americana var. heterophylla basswood Tsuga canadensis eastern hemlock Ulmus americana American elm Ulmus rubra slippery elm Note: Contractor to select a combination of tree species based on nursery availability Note: Trees should be bare root or balled and burlapped (not containerized stock) Note: Trees should be planted at a spacing to provide 320 shrubs per acre Floodplain Bench Planting Zone (Shrubs) (429 sq-ft or 0.010 Acres) Scientific Name Common Name Minimum Size Spacing on Center (feet) Estimated Planting Units (Total) Acer rubrum red maple 1-Gal. 3 x 3 24 Aesculus sylvatica painted buckeye Aronia arbutifolia red chokeberry Callicarpa americana American beautyberry Ilex decidua deciduous holly, possumhaw Ilex verticillata winterberry Itea virginica Virginia willow Leucothoe racemosa fetterbush Lyonia ligustrina northern maleberry Salix nigra black willow Viburnum dentatum southern arrowwood viburnum Viburnum nudum possumhaw viburnum Herbaceous Buffer Planting Zone (4,750 sq-ft or 0.109 Acres) A. Recommended application rate: 20 to 25 lbs. per acre (1 Ib./2000 sq.ft.) B. Native Seed Mix Containing a minimum of 4 to 7 different plant species (includes 15% Virginia wild rye to facilitate rapid stabilization): Scientific Name Common Name Estimated Planting Mix Agrostis perennans Autumn bentgrass 2.75 Ibs Andropogon gerardii Big bluestem Chasmanthium latifolium River oats Coreopsis lanceolata Lanceleaf coreopsis Dicanthelium clandestinum Deer tongue Elymus virginicus Viginia wildrye Helianthus angustifolius Narrow -leaved sunflower Juncus effusus Soft rush Panicum virgatum Switchgrass Rudbeckia hirta Blackeyed susan Schizachyrium scoparium Little bluestem Sorghastrum nutans Indian grass Tripsacum dactyloides Eastern gamagrass C. Cover/Companion Crops for Native Seed Mixes (Combine with Native Seed Mix above) Scientific Name Common Name Mix Festuca brevipila Hard fescue 3-5 Ibs/a; 20% Festuca ovina Sheep fescue 3-5 Ibs/a; 20% Secale cereale Cereal rye, Winter rye 30 Ibs/a Setaria italica Millet (orxtail or German) 20-50% Forested Buffer Planting Zone (Shrubs) (6,714 sq-ft or 0.154 Acres) Scientific Name Common Name Minimum Size Spacing on Center (feet) Estimated Planting Units (Total) Acer floridanum southern sugar maple 1-Gal. 5 x 5 185 Acer negundo boxelder Aesculus sylvatica painted buckeye Aronia arbutifolia red chokeberry Asimina triloba pawpaw Carpinus caroliniana American hornbeam Cornus florida flowering dogwood Ilex decidua deciduous holly, possumhaw Ilex opaca American holly Ilex verticillata winterberry Itea virginica Virginia willow Leucothoe racemosa fetterbush Lindera benzoin northern spicebush Lyonia ligustrina northern maleberry Nyssa sylvatica blackgum Oxydendrum arboreum sourwood Rhododendron periclymenoides pinxter flower, wild azalea Salix nigra black willow Viburnum prunifolium blackhaw viburnum Note: Contractor to select a combination of shrub species based on nursery availability Note: Shrubs should be planted at a spacing to provide 1,200 shrubs per acre Note: "Forested Buffer Planting Zone" is to be planted with both tree and shrub species f * + f yy - y i-.r. . + _ • r a ki . I...rt... .1 I , c.... . _ 4. _ .............,.-. . .... ,..-...„...3........_ ..0. _ k iEm' GG ■ I ■�, , Ai -• •� y a• 12 {All • �''i: -' _ - it • •. , :.�..;. ekee a , ` ■ v. is +fk -y -` IP - yea _,, r VI k . . • 4z. .,. ,. • .' •._ . .. ,'!}_ 11 • a i. t1. F }` . ._ ill 0 75 150 Feet )1141. Planting Plan (Aerial Map) Woodcroft Circle Stream bank Stabilization GUILFORD COUNTY, NORTH CAROLINA 1!!! 1 1 w . ti i is �} -,.. .-....,-....F6: ii. .♦ • ' . Oh- ..y f3F� .i1 * Tl nLimits of Channel Disturbance Forested/Shrub Replanting Zone Herbaceous Replanting Zone Shrub Floodplain Bench Replanting Zone Potential Non -Wetland Waters of the US (Streams) Replanting Zones Forested/Shrub Herbaceous Shrub Floodplain Bench Prepared By Prepared For ATKINS GREENSBORO