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HomeMy WebLinkAbout20041854 Ver 1_Complete File_20041117 OO?WAT?9QG v cap r Dr. Sam Stone, Director Glenaire Retirement Center 4000 Glenaire Circle Cary, NC 27511-3802 Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality April 14, 2005 DWQ Project # 04-1854 Wake County Page 1 of 2 Subject Property: Glenaire Retirement Center in Cary off Kildaire Farm Road Approval of Neuse River Riparian Buffer Protection Rules Minor Variance [15A NCAC 2B .0233(9)(b)] Dear Dr. Stone: You have our approval, in accordance with the conditions listed below, to impact approximately 10,093. . square feet (ft) of Zone 1 & 2, of the protected Neuse buffers, 32 feet of stream impacts, and 3406 square feet of Wetland impacts to construct a building expansion to include a Wellness Center and swimming pool at the subject property as described within your variance request dated November 15, 2004. This letter shall act as your Minor Variance approval as described within 15A NCAC 2B .0233(9)(b). In addition to this approval, you should obtain or otherwise comply with any other required federal, state or local permits before you go ahead with your project including (but not limited to) Erosion and Sediment Control regulations. This approval is for the purpose and design that you described in your application. If you change your project, you must notify us and you may be required to send us a new application. If the property is sold, the new owner(s) must be given a copy of this variance approval and is thereby responsible for complying with all conditions. This approval requires you to follow any conditions listed below. The Additional Conditions of the Certification are: 1. No Zone 1 & 2 Impacts - No impacts (except for "exempt" uses as identified within 15A NCAC 2B .0233) shall occur to Zone 1 & 2 of the protected riparian buffers unless otherwise approved by the DWQ. No impervious surfaces shall be added to Zone 1 & 2, unless otherwise approved by the DWQ. 2. No Streams or Wetland impacts except for the exempt uses as identified in your application. 3. Buffer Mitigation (On-site Enhancement) - You are required to mitigate for impacts to the protected riparian buffers. The required area of mitigation to compensate for impacts to the protected riparian buffers is 11,663 square feet as required under this approval and 15A NCAC 213 .0233. The DWQ has determined that you can satisfy this mitigation requirement by payment to Riparian Buffer Restoration Fund, or planting native woody trees or shrubs within the retained portions of the protected buffers. You must ensure their survival for a period of a least five (5) years. You are required to replace any of these trees or shrubs that die within this five (5) year 401 Wetlands Certification Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 Phone: 919-733-1786 / FAX 919-733-6893 / Internet: htto://h2o.enr.state.nc.us/ncwetlinds None tCarolina Naturally An Equal Opportunity/Affirmative Action Employer- 50% Recycledl10% Post Consumer Paper Glenaire Retirement Center Page 2 of 2 April 14, 2005 period. You are required to provide proof in writing that the trees have been planted within one year of the date of this letter. The proof of plantings shall be submitted to the Wetlands/401 Unit and copied to the Raleigh Regional Office. The attached Guidelines for Riparian Buffer Restoration should provide you with some useful information. 3. Diffuse Flow - An additional condition is that all stormwater shall be directed as diffuse flow at non-erosive velocities through the protected stream buffers and will not re-concentrate before discharging into the stream as identified within 15A NCAC 2B .0233(5). 4. The Stormwater control facility (Bioretention unit) must be in working condition at all times with a good maintenance practices as required. 5. Certificate of Completion - Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any subsequent modifications, the applicant is required to return the attached certificate of completion to the 401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650. Requests for appeals of this decision shall be made to the Office of Administrative Hearings. If you do not accept any of the conditions of this approval, you may ask for and adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition which conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. This approval and its conditions are final and binding unless you ask for a hearing. This Minor Variance Approval shall expire five (5) years from the date of this letter. This letter completes the review of the Division of Water Quality under the Neuse River Riparian Buffer Protection Rules [15A NCAC 2B.0233(9)(b)]. Please call Mr. Samuel. A. Aghimien at (919) 733-3574, or Mr. Eric Kulz (919) 571-4700 if you have any questions or require copies of our rules or procedural materials. Sincerely, Alan W. Klimek, P.E. CBKISAA Enclosures: Guidelines for Riparian Buffer Restoration cc: Eric Kulz, DWQ Raleigh Regional Office File Copy Central Files Warren Sugg EI, Mulkey Engineers consultants, 6750 Tryon Road Cary, NC. 27511 04-1854 Glenaire Retr center (Wake)VAR+Minor 4-14-05 r n C1 OFFICE USE ONLY: Date Received Request # C?C?C ad C?D State of North Carolina R Department of Environment and Natural Resources NU 'V 17 2004 Division of Water Quality DENR - WATER QUALITY V,7r ANDS AND STU' XNATER 6R/ XA Variance Request Form Neuse River Basin: Nutrient Sensitive Waters Management Strategy Protection and Maintenance of Riparian Areas Rule (15A NCAC 0233) NOTE. This form may be photocopied for use as an original. Part 1: General Information 1. Applicant's name (the corporation, individual, etc. who owns the project): Glenaire, Inc. 2. Print Owner/Signing Official (person legally responsible for the facility and its compliance) Name: Dr. Sam Stone Title: Director Street address: 4000 Glenaire Circle City, State, Zip: Cary, North Carolina 27511-3802 Telephone: (919) 460-8095 Fax: (919) 467-0844 3. Project Name (Subdivision, facility, or establishment name - consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Glenaire Phase IV 4. Location of Facility Street address: 4000 Glenaire Circle City, State, Zip: Cary, North Carolina 27511-3802 County: Wake Latitude/longitude: 2,063,858 : 737,567 5. Directions to facility from nearest major intersection (Also attach a map): Facility occupies the northeast corner of the intersection of W. Cornwall & Kildaire Farm Rd. 6. Contact person who can answer questions about the facility: Name: Michael Allen, PE - Mulkey Engineers and Consultants Inc. Telephone: (919) 858-1888 Fax: (919) 851-1918 Email: mallen cD-mulkeyinc.com 7. Requested Environmental Management Commission Hearing Date: As soon as feasible. Version 1: September 1998 I Part 2: Demonstration of Need for a Variance NOTE: The variance provision of the Neuse Riparian Area Rule allows the Environmental Management Commission to grant a variance to an affected party when the following conditions apply on a given project: (a) practical difficulties or hardships would result from strict application of the rule: (b) such difficulties or hardships result from conditions which are peculiar to the property involved, and (c) the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. This part of the application is to explain how the project meets criteria (a) and (b). 1. Attach a detailed description (2-3 pages) explaining the following: (ATTACHMENT A) • The practical difficulties or hardships that would result from strict application of the Ru"e. • How these difficulties or hardships result from conditions that are unique to the property involved. • Why reconfiguring and/or reducing the built-upon area to preserve a greater portion of the riparian area is not feasible on this project. If economic hardship is the major consideration, then include a specific explanation of the economic hardship and the proportion of the hardship to the entire value of the project. Part 3: Water Quality Protection NOTE. This part of the application is to explain how the project meets criterion (c): the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. I Briefly summarize how water quality will be protected on this project. Also attach a detailed narrative (1-2 pages) describing the nonstructural and structural measures that will be used for protecting water quality and reducing nitrogen inputs to surface water. (ATTACHMENT B) Currently, two pipes outlet stormwater collected from the existing parking lots and loading dock and release the stormwater into the tributary. Due to the limited open space in the vicinity of the stormwater inlets, no treatment mechanisms are possible within the loading dock and parking areas. The existing outlets have eroded a four foot deep pulley leading to the tributary. The footprint of the proposed building requires these pipes to be extended. The proposed project will combine these pipes and extend them to a new outlet point. Due to the limited area, no treatment of this stormwater is possible. However, velocity will be controlled as much as feasible. A series of drop manholes will be installed to reduce the velocity of the stormwater. The outlet will be protected with rip rap. Due to the limited space available for treatment. Glenaire would like to submit a fee to the Riparian Buffer Restoration Fund to offset the impacts of the proposed building expansion. 2. What is the total project area in acres? 0.40 acres 3. Which of the following permits/approvals will be required for this project? ' N/A CAMA Major N/A Sediment/Erosion Control NIA 401 Certification/404 Permit Variance Request Form, page 2 Version 1: September 1998 ' Part 3: Water Quality Protection, continued 4. Complete the following information for each drainage basin. If there are more than two ' drainage basins in the project, attach an additional sheet with the information for each basin provided in the same format as below. (ATTACHMENT C) L?J Project Information Drainage Basin 1 Drainage Basin 2 Receiving stream name Unnamed tributary to MacGregor Downs Lake Receiving stream class' WS-III NSW Drainage basin area (total) 92 acres Existing impervious area3 (total2) 46 acres Proposed impervious area3 (total2) 0.22 acres Impervious area3 (on-site) 44.4% Impervious area3 (total2) 50.0% Impervious area3 Drainage basin 1 Drainage basin 2 On-site buildings 8.99 acres On-site streets 2.88 acres On-site parking 1.75 acres On-site sidewalks 0.21 acres Other on-site 0 Total on-site 13.83 acres Off-site 32.17 acres Total 46.0 acres ' The internet site for this information is http://h2o.enr.state.nc.us/strmclass/alpha/neu.html 2 Total means on-site plus off-site area that drains through the project. 3 Impervious area is defined as the built-upon area including, but not limited to, buildings, parking areas, sidewalks, gravel areas, etc. 5. How was the off-site impervious area listed above derived? ' The off-site impervious area was estimated based on visual inspection of the drainage area. The drainage area includes the Kmart/Food Lion shopping center at the corner of Kildaire Farm Road and Maynard Road. 6. What will be the annual nitrogen load contributed by this site after development in pounds per acre per year without structural BMPs (stormwater pond, wetland, infiltration basin, etc)? Attach a detailed plan for all proposed structural stormwater BMPs. (ATTACHMENT D) Drainage basin Size of drainage basin ac Post-development nitrogen loading rate without BMPs° Ibs/aCIA) BMP nitrogen removal efficiency, % Final nitrogen loading rate (Ibs/ac/yr) Final nitrogen loading from drainage basin Ibs 1 2 3 4 5 Totals ------ ------ ----- ' Attach calculations and references. 5 Attach calculations and references. Variance Request Form, page 3 Version 1: September 1998 Part 3: Water Quality Protection, continued 7. The applicable supplemental form(s) listed below must be attached for each BMP specified: Form SWU-102 Wet Detention Basin Supplement Form SWU-103 Infiltration Basin Supplement Form SWU-105 Curb Outlet System Supplement Form SWU-106 Off-Site System Supplement Form SWU-107 Underground Infiltration Trench Supplement Form SWU-109 Innovative BMPs Supplement Part 4: Submittal Checklist A complete appplication submittal consists of the following components. Incomplete submittals will be returned to the applicant. The complete variance request submittal must be received 90 days prior to the EMC meeting at which you wish the request to be heard. Initial below to indicate that the necessary information has been provided. Applicant's Initi Is / 61 '/A Item • Original and two copies of the Variance Request Form and the attachments listed below. • A vicinity map of the project (see Part 1, Item 5) • Narrative demonstration of the need for a variance (see Part 2) • A detailed narrative description of stormwater treatment/management (see Part 3, Item 1) • Calculations supporting nitrogen loading estimates (see Part 3, Item 6) • Calculations and references supporting nitrogen removal from proposed BMPs (see Part 3, Item 6) • Location and details for all proposed structural stormwater BMPs (see Part 3, Item 6) • Three copies of the applicable Supplement Form(s) for each BMP and/or narrative for each innovative BMP (see Part 3, Item 7) • Three copies of plans and specifications, including: 0 Development/Project name 0 Engineer and firm 0 Legend and north arrow 0 Scale (1" = 100' or 1" = 50' is preferred) 0 Revision number & date 0 Mean high water line (if applicable) 0 Dimensioned property/project boundary 0 Location map with named streets or NC State Road numbers 0 Original contours, proposed contours, spot elevations, finished floor elevations 0 Details of roads, parking, cul-de-sacs, sidewalks, and curb and gutter 0 Footprint of any proposed buildings or other structures 0 Wetlands delineated, or a note on plans that none exist 0 Existing drainage (including off-site), drainage easements, pipe sizes, runoff calculations 0 Drainage basins delineated 0 Perennial and intermittent streams, ponds, lakes, rivers and estuaries 0 Location of forest vegetation along the streams, ponds, lakes, rivers and estuaries Variance Request Form, page 4 Version 1: September 1998 I' ? Ld-k 1 Part 5: Deed Restrictions By your signature in Part 7 of this application, you certify that all structural stormwater best management practices required by this variance shall be located in recorded stormwater easements, that the easements will run with the land, that the easements cannot be changed or deleted without concurrence from the State, and that the easements will be recorded prior to the sale of any lot. Part 6: Agent Authorization If you wish to designate submittal authority to another individual or firm so that they may provide information on your behalf, please complete this section: Designated agent (individual or firm): Michael Allen PE - Mulkey Engineers and Consultants, Inc Mailing address: Post Office Box 33127 City, State, Zip: Raleigh, NC 27636-3127 Telephone: (919) 858-1888 Fax: (919) 851-1918 Email: mallen(a)mulkeyinc.com Part 7: Applicant's Certification I, Dr. Sam Stone (print or type name of person listed in Part I, Item 2), certify that the information included on this permit application form is correct, that the project will be constructed in conformance with the approved plans and that the deed restrictions in accordance with Part 5 of this form will be recorded with all required permit conditions. Signature: Date: Title: Director Variance Request Form, page 5 Version 1: September 1998 L ?-j W L-A I I F?,*, C> 0 I NOT TO SCALE l h SHEET N0. ,,; VICINITY MAP 4e-muL.KE-Y a' ENGINEERS & CONSULTANTS Box C INC GLENAIRE RALEIGH. N.C. 27636 ;91 . , 2 79) Bgl-- 9 (919) 0 119113 (FAX) WWW.MULKEYINC.CCM J d 1 MULKEY ENGINEERS & CONSULTANTS ATTACHMENT A 1 MULKEY INC. 67511 TRYoN RoAO CAaY, NO 2751 1 PO ©o. 33127 RALEioH, NO 27636 PH: 919-051.1912 FAX: 919-051-191 11 WWW,MULKCYINC,rOM ? 7?j o 4)?, oe A Continuing Care Retirement Community An Afliliate of The Presbyterian Homes, Inc. Variance Request Form - Part 2: Demonstration of Need for a Variance Glenaire is a nonprofit, church-related continuing care retirement community which provides services and accommodations for 380 older adults whose needs and abilities range from independent through levels of increasing dependence, including skilled nursing. When Glenaire was under construction prior to opening in 1993, the existing water quality rules allowed the placement of segments of the original buildings within what today are considered zones which should buffer the multiple branches merging eventually on site into an "intermittent stream." The only concern expressed in 1991 by Town erosion control officials was for areas that appeared to have wetlands characteristics. Glenaire has respected those concerns through erosion control measures including riprap and enhancement of vegetation especially in proximity to the storm drainage channels. Through the years of operations, the exercise program has grown impressively in active participation across all levels (notably, 126+ of the 260 independent residents) and in the variety of programs offered. For many of the programs, there is only one small room (600 sq.ft.) for both fixed equipment and aerobic classes. The need and demand exists for expanding the space and range of programs to improve this important aspect -- active, daily exercise -- of the available services. The plan is to construct a two-story addition to the Community Center adjacent to the existing exercise room, making it possible to add a separate aerobic and physical therapy space and a much needed aquatic center with exercise pool (30'x50'x4'), Jacuzzi, showers, and lockers. Having such a facility will make it possible for Glenaire to open more of its programs and services to older adults in the community who are not Glenaire residents. An exercise pool adds a dimension to the wellness and fitness programs which cannot be attained otherwise. On accompanying pages, the benefits are described more fully. The location of the building addition is critical to the overall plan. Granted, it encroaches on the buffered areas of the intermittent stream, but the location is truly the only but also the ideal place on the entire campus. The location is central within the main building complex, squarely between the independent and the assisted living and skilled nursing sections, physically connected to both. Also the location is directly opposite at ground level the existing exercise room and at the next level the kitchen which will support the proposed cafe addition. The social, physical, and overall health benefits for the older adults served by this addition tip the scale in favor of granting the requested variance. fC ` ', 4 _ i a I! 4000 Glenairc Circle Cary. North Carolina 27511-3?84 919;-360-0095 ii 500225-9573 a% Fay: 919; 167-051 3 ? `%?? GLENAIRE Case Statement for Aquatic and Wellness Center within Glenaire What justifies having a swimming pool and lots of exercise equipment in a retirement community? There must be a good answer for this question because there definitely is a trend toward including such state-of-the-art facilities and programs, especially within continuing care retirement communities (CCRCs). Some readily suspect that the main reason revolves around adding more spice to the marketing program. Doubtless this is a factor. Being competitive in terms of facilities, services, and a host of other factors is vital to the success and survival of any CCRC. But marketing, ultimately, is about being responsive to interests, needs, and demands future residents (that is, the future clients and customers). Having a good aquatic and wellness program has become one of those prized components of a desirable and desired CCRC. There is more to the answer, however, much more that builds on solid research and the responsibility of a first rate CCRC to help residents grow as they discover how to be live to the fullest a long and rewarding phase of life. Being aware of some of the research findings and benefits (*) from a comprehensive wellness program is a good place to begin: "Recent gerontological research has shown that many of the commonly accepted biomarkers of age (low vitality, lost muscle mass, decreased ' strength, reduced bone density, increased body fat, high blood pressure, etc.) [are] directly attributed to inactivity. "Advance technology has essentially engineered activity out of our lifestyle and we have become a very sedentary society. Even the 1886 Surgeon general's Report stated emphatically: "'Inactivity is harmful to your health.' "Now the good news! Contemporary research clearly shows that regardless of age, those who participate in regular moderate exercise/activity find that many of the commonly accepted negative manifestations of aging not only can be prevented, but even reversed. "With more and more consumers demanding new strategies for healing coupled with health care providers being forced to curb spiraling costs, a new approach to health care is emerging -- it's called wellness. Wellness is a pro-active prevention model as opposed to the re-active disease model that has greatly influenced Western health care during the past century.... "Retirement housing providers who have chosen to make wellness an integral part of their business are enjoying many of the... benefits[, such as,] wellness compliments the health continuum, wellness raises the function level of participants, [and] wellness enhances health span and quality of life." As a total concept and approach, a wellness facility and program consists of an aquatic center (an exercise pool and Jacuzzi), aerobic exercise, and fitness and weight training available both for those seeking to maintain healthy bodies and those in therapy or recovery. The pool contributes the soothing advantages of buoyancy. What is proposed for Glenaire? Glenaire has the starting points toward a good wellness program. There is a popular teacher and trainer with diverse abilities who has a faithful following of one-third of the independent residents and the participation of core of able and willing residents in assisted living and nursing. Exercise space is limited to one equipped room and use of several multi-purpose rooms. The following steps have been recommended, found feasible, and approved for development by the Board of Trustees: 1. Construct adjacent to the lower level of the existing Community Center, mid-way between the independent and healthcare section and connected to both, an aquatic center consisting of an exercise pool (30' wide, 50' long, and 4' deep), a Jacuzzi, and dressing rooms. 2. At the same level, convert the existing exercise room into a fitness and weight training facility for class participation and guided, individual use. 3. Adjacent to the preceding, construct an aerobic exercise and physical therapy space for scheduled classes and individual therapy sessions. 4. Add the equivalent of one more teacher and trainer to complement and extend the capabilities of the instruction already in place. 5. Seek broader participation by Glenaire residents, future residents, and interested older adults from the surrounding communities. Total estimated construction cost: $ 1,435,755 Source: Age Dynamics, John Rude & Associates, info@agedynamics.com I Site Constraints 110 ULKEY ENGINEERS & CONSULTANTS The location of the proposed Wellness Center Expansion is shown in Attachment A-1 along with the centerline of the existing creek. The expansion will be located on the northern side of Building D. The main access to the complex is located at #4. Buildings A, B, and C are apartment buildings. Buildings E and F are the nursing areas of the complex. Building D contains the common area for both the dependent and independent residents of the facility. It contains the dining room, library, post office, beauty salon, music rooms, etc. Locating the Wellness Center Expansion in this area is essential for maintaining its accessibility to all the residents. All the residents with the exception of those in the detached townhomes can reach the proposed Wellness Center without being exposed to the outside elements and without traversing stairs. To the south of Building D are the existing loading docks (#1) which serve the dining room/kitchen and provide supplies and equipment to the entire facility. The Wellness Center Expansion could not be located in this area due to the inability to relocate these docks elsewhere on the property. In addition, existing parking lots (#2) for the residents and staff of the nursing areas could not be relocated elsewhere on the site to accommodate the expansion. An existing stormwater retention area is located in the vicinity of #3. This retention area is primarily for quantity control of the collected stormwater; however, there is some secondary treatment of the stormwater occurring in this area. ' The site is surrounded on the north, west, and south by existing residential subdivisions. The Town of Cary has required Glenaire to maintain 60 foot landscape buffers off of the northern and western property lines to shield the facility from the neighborhoods. This buffer also limits the expansion ability of the facility. The eastern part of the property contains townhomes. If the Wellness Center were to be located in this area, if sufficient area were available, would make its accessibility to the dependent care residents extremely difficult. MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO BOX 33127 RALEIGH, NC 27636 PH: 919.851.191 2 FAX: 919-851-1918 Ww .MULKEYINC.COM it, W-7 i r . r WI !, gr ZF d -z i .l`f !? , m v--' n Y S? p?. Ilk ¦I? a"r .: r' ° v y ?:.,_ " . ^'.! ide { w ?k - 9F¢;',??k°"9 p?,w a r *a: r• aer . - ' ?° Fi ,. n E g i rf'.. ... :. .. ?' r g #? r ? 7, ?"4 iR. fi ?' f ? 9. •#?,v ?P'.-'' r ?; ?`' 7• R ?; y?. '7 r• P ?'?, y '«- i .. i,,xy ?A, A '" 7 ....r IT ?. ?. . i* fi l Lg A 1 .; i r , s + •r T 41, d Im s Rill. t .i 4j Vi IL .-A '? t $ a 7 PROPOSED . r !, t s.,,' rr VW7 _ _ .. ! m WELLNESS. a •`' ? c ENTER i y _ - - - '? ii?iZ&" ,Qv- f EXPANS!C' a v r; veil _. _ i I 1 ;, '• .- :?s F ', '}y wy EXIST. k N awn ,g c ,° ± CREEK 40 A ! ,a ti C_NTERLiNE i .? ?rrd Fr 6 A «J? i+ ?? R y:?a r?Y ?a Taw . 1 JJ z, • a, F dd' ` 4 J? { y d .y - 4 2 16 -'P .•, k:- M },?T" d;i Vii.. c ' '' r ,? *'' F l ".i ,ft ; + ,. BE .,r r. is s I I t ! k r *'A' F , J 'I {. ? '9r t. •? . ? ^-= _ .• ? ?? r` ?r tiow ? i' • r? s ?..? ? g'? f? i . 3 j rah ?d 41 r f I r r ! , ALr a i4; r. ..r . f 4« ALI- r.. - 11JJ g Inc- T' , WL- f « ! ?? ? wr L M1 i ° ..rr J R ~a! ;ir; : FF iii i!` 1! Ij•? :.Y"?•? , ,ri • r :? e Z a l~ 10 M U LK EY Attachment A-1 ENGINEERS & CONSCLTANTS 1© ENGINEERS & CONSULTANTS ATTACHMENT B I MULKEY INC. 6750 TRYON ROAD CARY. NC 2751 1 PO 60X 33 127 RALEIGH. NC 27636 PH: 919-051.1912 FAX: 919-051-19113 WWW-MIJLKEYMC.COM !# ® [] n (? !:=U -y limit] 1?31?. L3+?. Y ENGINEERS & CONSULTANTS Water Quality Protection Attachment B-1 outlines the footprint of the proposed Wellness Center Expansion. For an overall view of the facility, please refer back to Attachment A-1. The proposed expansion will impact a total of 5,347 SF of Neuse River Buffers with 2,428 SF of impacts occurring in Zone 1 (the inner twenty feet) and 2,919 SF of impacts occurring in Zone 2. Existing Water Quality Controls As shown in Attachment B-2, two existing pipes discharge stormwater into the existing creek. One 18-inch pipe collects stormwater from the existing loading dock area, transports it under the building and outlets. Another 18-inch pipe collects stormwater from the existing parking lot, transports the water under the nursing building and discharges into the creek. These combined outlets have eroded a four foot deep gulley at the discharge area. There are no velocity controls at the outlet pipes. However, downstream approximately seventy feet is an existing outlet structure which controls the quantity of the stormwater released downstream. This area reduces the velocity of the stormwater and provides an area of secondary treatment. Proposed Water Quality Controls The proposed stormwater collection system will combine the flows from the two stormwater pipes and transport the collected stormwater to a discharge area protected by a poured concrete retaining wall. The proposed junction boxes will drop the stormwater vertically three to four feet to reduce the slope on the pipes and begin to slow the stormwater. The discharge area will be protected with Class 1 rip rap to prevent erosion and assist in dissipating the velocity of the stormwater. Currently, the outlet pipes discharge at a ninety degree angle to the existing creek. The proposed discharge location will allow the stormwater to enter the stream at a much improved angle. The stormwater outlet structure located downstream will not be modified. Due to limited site availability, there is no room for any additional stormwater controls. Therefore, the facility proposes to submit a fee to the Riparian Buffer Restoration Fund to offset the impacts of the proposed building expansion. See Attachment D for details regarding the proposed fee. MULKEY INC. 6750 TRYCN ROAD CARY, NC 2751 1 PO Box 33127 RALEIGH, NC 27636 PH: 919.851.1912 FAx: 919-851-1918 www.MULKEYINC.CO. m r m m m m ?.?? --- -?___ _ • ??.\?\\;'?„\ X1 1 )RAINS REFER TO SHEET --" B-2 FOR PROPOSED STORMWATER OUTLET ac 11 I? r- -. 1 IC? "- ZONE 2 NEUSE VS ZONE 1 NEUSE BUFFER ZONE 1 NEUSE BUFFER IMPACTS: EXISTING PATH ZONE 1 IMPACTS: r' \\CENTERLINI ( '??OOiTPBI111OF PROPOSED WELlNES-S-CENTER EXPANSION 41 t r ' ?-T \ \• - TEMP'ORARY C NSZRUCTIQN`1 ACCESSJO BE RETAINEt)•AS`---------? \ UNPAVED EMERGENCY'EG ESS_ -ZONE 2'NEU.SE BUFFER --- -;\`? Pv ; ZONE 1 NEUSE BUFFER ;T - - CREEK 717 I;El 5,1 cz j; EXISTING ACCESSPA. C _7 D 2,449 SF ZONE 2 NEUSE BUFFER IMPACTS: 3,519 SF -21 SF EXISTING PATH ZONE 2 IMPACTS: - 600 SF NET ZONE 1 NEUSE BUFFER IMPACTS: 2,428 SF NET ZONE 2 NEUSE BUFFER IMPACTS: 2,919 SF SCALE: 1" = 30' NEUSE BUFFER IMPACTS WELLNESS CENTER EXPANSION GLENAIRE SHEET NO. U ENGINEERS & CONSULTANTS B-1 PO Box 33127 ?J RALEIGH, N.C. 27636 (919) 851-1912 (919)85 1-1 91 8 IFAX) WWW.MULKEYINC.COM '1 > I^?1 -? POURED CONCRETE RETAINING WALL _ 5; (APPROX. 2' HIGH) r` ' tr" Vic, i 27'- 18- RCP @ 0.50 F ?I 10 F, U T INVERT IN=462.27 - INVERT OUT=458.27 EXISTING OUTLET- _,, -, t=. c _ - ,h ,= 1 CLASS 11 RIP RAP TO ; DRAINAGEWAY \1NVERf, IN?=458.14 NVtRT, 'OUT = 457.64 -777 E, :z3 _EXISTING-_O-UTI FT 11 cl Q50% ?----- INVERT-IN'-46167 INVERT= OUT=458.8-6---.-=- i I n i ;n± WELLNESS CENTER EXPANSION GLENAIRE 49-MUL.KEY ENGINEERS & CONSULTANTS PO BOX 331 27 RALCIGM. N.C. 27636 (91 9) 051.1 91 2 (919) 051-1910 (FAX) WWW.MULKEYINC.CDM s a SCALE: 1"=20' 1 SHEET NO. I.T. N B-2 QI -'3 -MLJL E Y ENGINEERS & CONSULTANTS ATTACHMENT C i MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO Box 33127 RALEIGH, NC 27636 PH: 919-851.1912 FAX: 919.851-1918 WWW.MULKEYINC.COM P78- 47' 0.00' W Z ` C -. ?.. ? Iq'tw ) 1 I '?3 1 - r r -. ?'-•? ,.f ??yy,,?????f" - ?_ ,"t-. owl\ ..?.+" } \ ICcs,te._ _ 5 .: , ._,' ,??sr". 0•,,w JL Y Park `/? ? l - :- z p ° r, yq r1 u4 0 1?.,. ; '5,1 Y\ ?-??,. 1 f' . )f! 1 ?`` It `-- ? n ?-..: •n ?,?? j51 .- r k ? L [est Cem •>_ \ S .-gyp •, 1 "? -??? )/I ry ?IJ - -' .? - / , -9b At. , ? ..r •y??` -? 71? ? ?" b?• ' 1 f - M `? I' \ / ,1 1 J K-' \ 1• ?? . ? __ ,1 , ,, . p to ?+ \_ '? Y = ??' L ` 1 s, ;'1 43 ?L?T I ^? 4 \ E2 1:. .?" 1 1tt f ?•r y ify s ( ?1 Q ?- / ff ;Z p 1? It .t-? -????•.? ?" j .?y•?:• ?;t--i?,-?,. '? ?, - - /?.?, '??';.` ,? f• M Y 1? /: ? ? _• I \ 9 ' ? ? V ? L\\\?I,, ?t? `•? ,1 _j 1 ? + .J`J? ? t ? •/- ? ?.,?/ ?>. ?, ; -? ?', ? ,t , ?} ?• `, ,?¢/fir ?';??rT t \ ,\ ( t •?? ip 44W,, ? _ /?: '? ?\ ?/ ` . •??` ? \ \ ? ? /? A t i ` 4 _/ ? t .?'/ ' / . .? ?... / 1 , M . "?4 -. w `- \ , \\??'?'? \.? ? ?`'l??J?/?1\/? `d?O'A ! ?• -,r ? c , ?\ ` ? . if , , G. ! •, ?. `r ,r,• ? ? y\ ; /••w.- •_; 1 '1 \l -_?\ ?..?.;' / ,.ply -_ I ?' !'! . - . > ?? ? . ? . ! 1 /' I ? ? _ \ z •\. i, - i ,? y i1 ? ? ? - 11 f i l f '??y' r • J? \ a .\ 1.??r ?.• tI 1(-?i r ?? .1 ;\ i r1/ ?• >, '?s? ?t: ?>J; ?? =t tea '' °O 1 . l ''? .r /j \ ?•°??„? 1 i 1_ ? 1 . u.? a? , ?' +•` \ 1 --f \ ? ?? ? I O if s l ?`- '? 7• .'.r, • b ?. . <70 i - I - rl ,1;? , •, \\\\• 479 oy+a.:" O ` \ s +l . 1 a Fdtrstion-If18 l? Ey • i GAil ? • .r a? • iI • ?c ?? ? _, Crm , ?:) fGolf ours ?? f - lr :'/ x 'ft' t, •? ,?, , 'sy' I * , J .`..• 8MC - liY 1 p 444 -Ij - ..' 1 H\? }y?, ?! j • 1 _ 111 ' _ v/o •ra u.uu w u/ts- 46•1u.uu' W 078° 47'10.00' W Name: CARY Location: 035° 45'36.99" N 078° 47' 34.3611 W Date: 11/1/2004 Scale: 1 inch equals 2000 feet 1998, M v 0 F- v 0 0 0 0 Z io cc M io It 0 LO ce) O C 0 U O J N _d O O O _N f0 7 4 d } O L ? N U ti C CO rn rn m ai ai - Zou) o MULKEY ENGINEERS & CONSULTANTS ATTACHMENT D MULKEY INC. 57511 TRYON ROAD CARY. NC 27511 10 BOX 33127 RALE131, NC 27636 PH: 919-851.1912 FAX: 919-851-1918 WW ,"ULKEYINO.=" IL ENGINEERS & CONSULTANTS Attachment D Proposed payment to Riparian Buffer Restoration Fund Due to the lack of available area for treatment of the collected stormwater as described earlier in the application, Glenaire would like to make a payment to the Riparian Buffer Restoration Fund. The payment is based on impacts shown in Attachment B-1: Zone 1 Impacts 2,428.0 SF Mitigation Factor, 3X 7,284.0 SF Riparian Buffer Restoration Fund, $0.96/SF $6,992.64 Zone 2 Impacts 2,919.0 SF Mitigation Factor, 1.5X 4,378.5 SF Riparian Buffer Restoration Fund, $0.96/SF $4,203.36 TOTAL Payment $11,196.00 MULKEY INC. 67513 TRYON ROAD CARY. NC 2751 1 PO BOX 331 27 RALEIGH. NC 27636 PH: 91 9-8511 9 1 2 FAx: 91 9-851-1 91 B W-.MULKEYINC.COM Project No. DWQ Glenaire R.F. Project Name: 04-1854 SUBMITTED DESIGN: REQUIRED DESIGN: elevations Permanent Pool (ft) 465.5 0.5 ft. depth Temporary Pool (ft) 466 areas Permanent Pool SA (sq ft) 1071 1025 sq. ft. Drainage Area (ac) 0.56 ac Impervious Area (ac) 0.46 82.1 % impervious Rational C 0.84 Precipitation (in) 0.5 sand underdrain volumes Inlet Velocity 0.65 0 fps Inlet Flow Depth 4 in Depth to Ground Mater 16 6 ft Planting Soil Infiltration 1.02 0.52 in/hr In-Situ Soil Infiltration 0.27 0.00 in/hr ??r3?o5 ok ok ok ok ok '?,1/13/2885 13:16 9198511918 MULKEY IHC PAGE 01 ® MULKEms' r-NOINCERO & CONBULTANT9 FAX COVER SHEET DATE: /-I I/2ca?s TO: Sim . ?46C ?A 1 vkiZ-;M FAx: q Ig 1 3 3_ ln8 Rya FROM. SuGeL-t RE: [number of pages including cover sheen MULKKY, INC. 6750 TRY9N ROAD CA YY, NO X751 1 PO BOX 131X7 RALCIGM, NO 27635 P"M 91?-6S 1.191 FAX; 919.851 •19113 Www.Mu LKFYINC. CCM APR-13-2005 WED 11:45 TEL:9197336893 NAME:DWQ-WETLANDS P. 1 104/13/2005 13:16 9198511918 MULKEY IIIC PAGE 02 DWQ Project No .-'1=Q`7 -16 SN DIVISION OF WATER QUALITY - B10RETENTION AREA WORKSHEET 1. PROJECT INFORMATION (please complete the following information): Project Name: a -- Contact Person: s - Phone Number. L919 ) 46o. 8o95 For proiects w1h multiple basins, speci fy which basin this worVshcet applies to: 1 Permanent Pool Elevation X65 So fL (elevation of the orifice invert out) Temporary Pool Elevation q6L.._C20ft. (elevation of the cutlet sVucture invert in) Bioreteition Surface Area I a-71 sq. ft. Drainage Area ?. SLR ac. (On-site and off•sile drainage to the basin) Impervious Area o. +d Le ac. (on-site and off-site drainage to the basin) Rational C Coefficient D • y Size 11'0 5 % (either 5% in wisand uncer drain or 7% in w/o) Inlet Velocity a4l fps Inlet flow dept q in Depth to Ground Water 1 fo• o ft. Planting Soil InfiIntion Rate 1.02. inJhr. (the Soil layer down to 4 feet) In-Situ Soil lnfiltraUon Rate o• 27 inJhr. (the soil layer below 4 feet or below the sand bed lt. REQUIRED ITEMS CHECKLIST .nitial in the space provided to indicate the fotlovring design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanaSon of why. At a minimum, a complete stormwater management plan submittal includes a wort-sheet for each BMP, design calculatiors, plans and spnilicalions showing all 81AP5 and outlet structure details, a detailed drainage plan and a fully executed operation and maintenanco agroement. An incomplete submittal package will result in a request for additional information and will substantiai'ly delay final review and approval of the project Applicants Initials u1>4 No vertical sand bed Is proposes Mbp The bioretention area is at least 40 feet by 15 feet NtJQ% Sheet flow is provided at Inlet. 6kt4A Water table depth Is greater than 6 feet Minimum of 6" ponding Is provided. VIA D The ponded area win draw down in less than 4 days. pnD Planting soil Infiltration rate Is greater than 0.52 in/hr. It v A The In-situ soil Infiltration rate is greater than 0.2 in/hr. PJS A planting plan w1L`i species and densities is provided. KD Mulch layer is specified in plans. MD Plarting soil meets minimum soil specificatiors (NCDENR Stormwater Best Management Practices Manual, April 1999) ?'kD A- Plan details for the Moretention area provided. NtbA. Plan details for the inlet and outlet are provlded. r -D,4 An operation and maintenance agreement signed and notarized by the responsible party is provided Please nota that underdralns beneath the planting Boll are acceptable In the Piedmont and Mountains Noy E . D¢aw-4 a.JN e? 0. co t s,_jrs • ?G• ?r? ? 0.50 (? ?G io D DaufNa Dd 7 ?ut-S C3.-71 7a'No 5 r?r?L uSA ?? bi?a,r bta.rr! ? (j3 (as APR-13-2005 WED 11:45 TEL:9197336893 NArIE:DWQ-WETLANDS P. 2 ..MULKE f ENGINEERS L. CONSULTANTS PO Box 331 27 RALEIGH, NC 27636 PHONE: 919-B51-1912 FAx: 919-851-191B 219@20YRY APR 1 3 'p05 tYBR?,ESN4 STORAAVATERSRANCH LETTER OF TRANSMITTAL To: Sammual Aghimien Date: April 13, 2005 401 Oversight & Express Permits Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 Re: Glenaire Retirement Facility Cary, North Carolina I am sending you the following item(s): ** HAND DELIVER ** Job No.: 2004197.00 COPIES DATE NO. DESCRIPTION 1 Revised Bioretention Area Worksheet These are transmitted as checked below: ® As requested ? For your use ® For approval ? For Signatures ? For review and comment ? Remarks: Per our conversation on April 12, 2005 1 have provided the needed information for the review of the bioretention pond for Glenaire. Please let me know if you have any questions, comments, or concerns. Thank you for your time and consideration. Copy to: Signed: Warren Sugg, DWQ Project No.. D?- l ?Sy DIVISION OF WATER QUALITY - BIORETENTION AREA WORKSHEET 1. PROJECT INFORMATION (please complete the following information): Project Name : 41,r-WnIac, -r- ..IZ Contact Person: D12. SA'-% Phone Number. NO ) q4, BogS For projects with multiple basins, specify which basin this worksheet applies to: I Permanent Pool Elevation 466_,56 ft. (elevation of the orifice invert out) Temporary Pool Elevation q6' (o • oo ft (elevation of the outlet structure invert in) Bioretention Surface Area I - o-71 sq. ft. Drainage Area D. Sla ac. (on-site and off-site drainage to the basin) Impervious Area D.( ac. (on-site and off-site drainage to the basin) Rational C Coefficient 0.8y Size % S % (either 5% in w/sand under drain or 7% in w/o) Inlet Velocity o. ("!5 fps Inlet flow depth H in Depth to Ground Water l?.o ft. Planting Soil Infiltration Rate I.02 in./hr. (the soil layer down to 4 feet) In-Situ Soil Infiltration Rate o•VT in./hr. (the soil layer below 4 feet or below the sand bed) 11. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project ADDlicants Initials WI DA No vertical sand bed is proposed MD The bioretention area is at least40 feet by 15 feet rAD Sheet flow is provided at inlet. M D A Water table depth is greater than 6 feet. M 1) A Minimum of 6° ponding is provided. mb A The ponded area will draw down in less than 4 days. MD Planting soil infiltration rate is greater than 0.52 in/hr. fv,O 6, The in-situ soil infiltration rate is greater than 0.2 inmr. MOA A planting plan with species and densities is provided. A Mulch layer is specified in plans. MD Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management Practices Manual, April 1999) (AbA Plan details for the bioretention area provided. Mb A. Plan details for the inlet and outlet are provided. MDA. An operation and maintenance agreement signed and notarized by the responsible party is provided. Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains No1-E PP-44w-1 o7 ,14 kd,re s7 Q = 0•00-75cFs PeEc. P?6-T5 '? C>. io2 6+6 To D241-J b,??+ =? 8? t b ves (3._71 DO-YS) NCJ CV-4 FILr- tsc.p r N peAw 4IJ4 Project No. DWQ 1-``C- `C Project Name: "- is S SUBAHITED DESIGN: REQUIRED DESIGN. elevations Permanent Pool (ft) Temporary Pool (ft) areas Permanent Pool SA (sq ft) Drainage Area (ac) 5- Impervious Area (ac) 0 Rational C 0 ` Precipitation (in) r' : << _ vohnnes Inlet Velocity . D Inlet Flow Depth " ? J Depth to Ground Water ? . D Planting Soil Infiltration • ?y, In-Situ Soil Infiltration YD01 vv,- lph 0 D r c??l?r t?2 V V ? ti-?,Gc-? #VALUE! ft. depth #VALUE! #VALUE! sq. ft. #VALUE! ac #VALUE! % impervious no sand underdrain #VALUE! fps check veloci in 6 ft 0.52 in/hr ok #VALUE! in/hr ok O D V5F c dm? ot,? ENGINEERS & CONSULTANTS PO Box 33127 RALEIGH, NC 27636 PHONE: 91 9-B51-1 9 1 2 FAx: 919-851-191B RM@M0W1RB APR S 2005 DENR - WATER QUALITY METlANDS AND STDR'„jjATER BRANCH 1 1?s-? LETTER OF TRANSMITTAL To: Sammual Aghimien Date: April 7, 2005 401 Oversight & Express Permits Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 HAND DELIVER Re: Glenaire Retirement Facility Cary, North Carolina Job No.: 2004197.00 I am sending you the following item(s): COPIES DATE NO. DESCRIPTION 1 Bioretention Draw-down Calcs with Precip. Rate 1 Revised Bioretention Area Worksheet These are transmitted as checked below: ® As requested ? For your use ® For approval ? For Signatures ? For review and comment ? Remarks: Per our conversation on April 6, 2005 1 have provided the needed information for the review of the bioretention pond for Glenaire. Please let me know if you have any questions, comments, or concerns. Thank you for your time and consideration. Copy to: Signed: UY l? arren Sugg, El RR@F=0WF=D APR 8 2005 DWQ Project No. # 0y - IS Sy DENR - WATER QUALITY IYETLANDS AND STOMX4ATER EZ'diCH DIVISION OF WATER QUALITY • BIORETENTION AREA WORKSHEET 1. PROJECT INFORMATION (please complete the following information): Project Name : Lrc..c,.io.rf- iNC, Contact Person: DR. SAM ST-- C! Phone Number. (919) Y(oo • So qS For projects with multiple basins, specify which basin this worksheet applies to: Permanent Pool Elevation Temporary Pool Elevation Bioretention Surface Area Drainage Area Impervious Area Rational C Coefficient Size % Inlet Velocity Inlet flow depth Depth to Ground Water Planting Soil Infiltration Rate In-Situ Soil Infiltration Rate II. REQUIRED ITEMS CHECKLIST 466.50 ft. (elevation of the orifice invert out) 'y[o G- o o ft. (elevation of the outlet structure invert in) G Sv sq. ft. ?• 5 (o ac. (on-site and off-site drainage to the basin) 0. ?! fo ac. (on-site and off-site drainage to the basin) D. g? 5 % (either 5% in w/sand under drain or 7% in w/o) I. o fps ,I. o in Ito . O ft. 1.02 in./hr. (the soil layer down to 4 feet) o. Z7 in./hr. (the soil layer below 4 feet or below the sand bed) Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project. Applicants Initials M0A No vertical sand bed is proposed re\ p A The bioretention area is at least 40 feet by 15 feet. M DA Sheet flow is provided at inlet. M DA Water table depth is greater than 6 feet. m >A Minimum of 6" ponding is provided. MDA The ponded area will draw down in less than 4 days. MDA Planting soil infiltration rate is greater than 0.52 in/hr. MDA The in-situ soil infiltration rate is greater than 0.2 in/hr. M DA A planting plan with species and densities is provided. NAoA Mulch layer is specified in plans. ?nD A. Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management Practices Manual, April 1999) MDA Plan details for the bioretention area provided. mbA Plan details for the inlet and outlet are provided. nnnA An operation and maintenance agreement signed and notarized by the responsible party is provided. Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains NO-?'. (?RAw-RDwN RD?T[ =7 Q= O.DISo GFS T1nti5 Tc? DP_4"J•Dou)nl ?" 37oWt = ZSN?urLg ?i.lspa`(s? 4-oMULKEY CALCULATION SHEET ENOINEERB & CONHULTANTB PAGE I OF 2 CLIENT SUBJECT Z'! r1JAIcE Prepared By ?i? Date E-7-05 PROJECT No. boo= py_ Reviewed By Date IE;k o " Ttot4 1' sroe^ 1>04-Lo- is. ,??( Ap D ( Sat p? Gi !?.' Lo/n%?) App?rf.ty l?.(v3- 2.? I,?/N? PreKEA.31?,Yr' :?. 13 r ti•(, e.r l?.?trrt I-GQLE ,? t?.7 EC' [n ?!:'. I ?'? DESK ??? D??I' /O f= 5c7FT I?YT'_JG?1= ?L/`P-I ? ?r;Lr f'it` • r?n1?Tl/.tG, s?i? L?? ?;,?NTFf:" I(,? - ??'? U? SANG 0 SEE t- ?I= n SED <nl 0 5?'`.._ ?E FPEE' =-F CFL?r?'!-IvvS wa r C?rdL P?? S ! Gh.. (!Q.!U?.,'r!r.?n.;5 N??i_(???': t=u1?MFtt Sil-?'T?r:j/:?M F?c?.:Erjp? i3tU-?ETE,.Rr?l/et~r??/ Li/RDGtii Cf_`-'>rL?n! '..JOG'-S.?rf='? I.?O?I ?v.i'i(cf.! `•`GTta/ of h1GCEf?(Z 7?'JC'f?W/1TE? ??'Y?' ? ?L7 ?;?.?"i 1 L' T,?CE?`' SJrL M?/ ?ET/n[?/_?fLt``j = ? IN?(.?? (? _ (?• 3 ?' ` '? x h x A '' a ??/A L ? ? 3;?- - ,? (I?(c;e x LoSa rT ` ? ? 0 = 0. 0150 e-FS (RA I r-- r wPTER -TflRc,,)lt U 3?v- ??rFt.17rcfJ 1 (??'? (?rt?t'12?N) = 3Z5 G? ?Jr-?r? I 1/'?E TU V,=/"?CT(E (?Z'j Cr") `7l= '..t/A?T. I.' ?+\ F= -Cam. o?s? :Fs ?, of 35 ?a? 49-MULICEY CALCULATION SHEET PAGE '- of ENOINrrR8 6 CONBULTANTB CLIENT SUBJECT ?r4 E?tDaeE R I n? r= rs-?,-.ra Prepared By Wµ 5 Dat ' of PROJECT No. Zap=!( i7 '' ?HJ(J '?`?- Reviewed By Date G, j i ?,?r= i a 1%G?V??j?,s-?r.l l?:-Tf"2 ?or? 5?-i vQ?Tia'.! ,nom- SvL'FC?cF Porz--,, S ? • 1-r5 -9 -1 = U. ?-( s ' 110/??? OF '?./?? ?Ci ? U G?'?1.v1 ?O.iJr.! Inl Z ? ? F t- ?-L SQL 1= 1,170 ?F - T, rte. i, ; -? I?, ; ?'> ,,.1 G,.? W r.-( `fZ= lr 1-70 cr -- U.otS cFS IZ- 73 00 ?` ,z - 7 1. (D `7 Hd R T-4-7, IT = 2 g f'.JJ? S ? I, I S Ca?,'S? Project No. DWQ Glenaire R.F. Project Name: 04-1854 SUBMITTED DESIGN. elevations Permanent Pool (ft) 465.5 Temporary Pool (ft) 466 REQUIRED DESIGN: 0.5 ft. depth ok areas Permanent Pool SA (sq ft) 650 Drainage Area (ac) 0.56 Impervious Area (ac) 0.46 Rational C 0.84 Precipitation (in) I voliunes Inlet Velocity 1 Inlet Flow Depth 4 Depth to Ground [Dater 16 Planting Soil Infiltration 1.02 In-Situ Soil Infiltration 0.27 #VALUE! sq. ft. #VALUE! ac 82.1 % impervious no sand underdrain 0 fps check veloci in 6 ft 0.52 in/hr ok 0.00 in/hr ok N 1k P414, C-e 'St ]z 16;1 e-zd ? ? e \ ? ? -fie p (06 S Mill MUO.KEY ENGINEERS & CONSULTANTS PO Box 331 27 RALEIGH, NC 27636 PHONE: 919-B51-1912 FAx: 919-B51-191B LETTER OF TRANSMITTAL 9'R@@flV@N APR 1 1 2005 fDSRAhDS'M ?S? Ai R TMRAh?CH To: Sammual Aghimien Date: April 11, 2005 401 Oversight & Express Permits Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 HAND DELIVER Re: Glenaire Retirement Facility Cary, North Carolina Job No.: 2004197.00 I am sending you the following item(s): COPIES DATE NO. DESCRIPTION 1 Bioretention Draw-down Calcs w/ Precip. Rate 1 Revised Bioretention Area Worksheet These are transmitted as checked below: ® As requested ? For your use ® For approval ? For Signatures ? For review and comment ? Remarks: Per our conversation on April 11, 2005 1 have provided the needed information for the review of the bioretention pond for Glenaire. Please let me know if you have any questions, comments or concern Thank you for your time and consideration. Copy to: Signed: DWQ Project No.41- c) I- I S 5 q DIVISION OF WATER QUALITY • BIORETENTION AREA WORKSHEET 1. PROJECT INFORMATION (please complete the following information): Project Name : CrL_r_, Aa5-, =NG Contact Person: DR. SA-?A SnaMlf Phone Number: (919) x((20. 8045 For projects with multiple basins, specify which basin this worksheet applies to: I Permanent Pool Elevation 6 D ft. (elevation of the orifice invert out) Temporary Pool Elevation 4<06' - C) C;' ft. (elevation of the outlet structure invert in) Bioretention Surface Area 6 50 sq. ft. Drainage Area O.Src ac. (on-site and off-site drainage to the basin) Impervious Area D. L4 to ac. (on-site and off-site drainage to the basin) Rational C Coefficient D• 8q Size % 5 % (either 5% in w/sand under drain or 70% in w/o) Inlet Velocity O• G S fps Inlet flow depth y in Depth to Ground Water I(Q.o ft. Planting Soil Infiltration Rate t, o Z in./hr. (the soil layer down to 4 feet) In-Situ Soil Infiltration Rate D• Z"7 in.1hr. (the soil layer below 4 feet or below the sand bed) It. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project. Applicants Initials MDA No vertical sand bed is proposed MDA The bioretention area is at least 40 feet by 15 feet. MDA Sheet flow is provided at inlet. MDA Water table depth is greater than 6 feet. MDA Minimum of 6" ponding is provided. iV?P Q The ponded area will draw down in less than 4 days. rv? D A Planting soil infiltration rate is greater than 0.52 in/hr. MDA The in-situ soil infiltration rate is greater than 0.2 in/hr. AA>,4 A planting plan with species and densities is provided. WA Mulch layer is specified in plans. NA DA Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management Practices Manual, April 1999) MDA Plan details for the bioretention area provided. PAT >A Plan details for the inlet and outlet are provided. N\ DA An operation and maintenance agreement signed and notarized by the responsible party is provided. Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains NorE ' Dp w-DOWN f xE -7 Q= O.oo-1 5 CF:!; Y?n+E F?Cw-Dou??-l >? Sq tboyS .11 DAKS) • No oe?Fl?t^ oSF D D2P 1.bc J+J 40-MULKEY CALCULATION SHEET ENGINEERS 4 CONSULTANTS PAGE I OF 2- CLIENT SUBJECT ??`FNAIeE, n nr? r-,_ :=.a Prepared By r? S Date `/- II-D s PROJECT No. Zm=1 ice. o , C rJ? = Oy- I?? Reviewed By Date b.C,91?-Tu=I.t-r-tvrJ 1. ST-o>?+K Nc?TE' Np.?.,F <c 'L I S> A p D ? Sir+? GL(=-'-I, Lo4\r-) 1 APP?IN? h.(v3 - ?, J I?,?Nrz Pr--ertEa61 L,?Y ?. 13 rti'? >J 44t-tl,?LE wA.?tEC C?. / -Irk DESf?T? -J Cc l: ? ?r 5c?1-T t ?;?T???c PLC N ? t,;?t t'ot` I?/a1-ITtn1? So?_ GLAY !ont ?r-rr- rU ?- Z•? ?,? Sar?? ??n.1-?^nr, 3?`c ?lrl i it Li Svi_ 5N ?U?G jcr Ir SEE (- o.= ?;= ti ? 3ED - <;•rsG S?=l.?? ?[ FeF? -,F CF'LET?{-'tvc?S ?.?.-rt'C.'?p.(_ ? P:??'=5 ! 1 A/?. C_L?GJ?.t.Ti:.x• 5 vni (Zv E-xR.h+FIL ?t? C't, .r t{ F4z'z G'/ ?rU ?CTEFRcaJ???ir( L7L,JZCC?i CI_: >!C/nl ..??G'-?.F?f_ ?? ',?O?r"i: r.i7ronl ,.i.C,7co..! car f?I?(?Fr.l? 7`rJC'h?WaT'? ?CSr. rf•Frca?rEi?r-,?T ?21?cnc.cS ? p{?elt_ 1???? c-)- ?> • - '/ -,:-, J _? -,. ?- f !' r er_ C- SOIL II/ f>EIZn .[ Gr`t? = 0.?rj/µR _ A. L; A ?JCo,? Fa F r C- ??. ??= 0.0075?S (V-ATr yr WATER ?FtRc?lc`-! 31?-?'Errrtrlcrl? Tf..E rc 3 f?Tr-?v4E (gI5cr) or ?A?ri? ,4T n 1 T= q 7 ?5,-,= . Cam. ? o-i 5 S `r - 7o"Jo0 5c G. 36'. 111 I-A p -O- M U LK EY CALCULATION SHEET PAGE OF ? ENGINEERS A CON13ULTANTS CLIENT SUBJECT ?r4.C?p1¢E Rtes rr-IT=-nr Prepared By Wµ 5 Date ' l-Q5, PROJECT No. 22-gl Dd(-,) ;L ??Sy Reviewed By Date L-. I t /-'.,E- -rte 1 4'A) IJ4- T r 2 raorn 5? 1 vQaT a°J !?T SV clPA -t-v ? rcE? ;3 [cv,,? Sv2t=scC Po2:,str, . ,55 -9 -n = U. 55 ° or-- t" 7' -);r 1= 1,y3o ?F ?= 19d,loGlo e:e L 7, +-7, = TT - gq t=ic S 3.71 LAYS) 1"LE1- \lECo,? tT (,& t- L' a.vr t S P t 5 t wl Cr_ Q ? j Cf2'tlrt.l -tp j J:) Lc?,•-tL.t ?a i'f, 5`?; s"ttf`+ ?G Fc7 F= !?p!'i i>,nlCy ?GSZE7E"N t tC., /?kE l-?= ?•S(o I/ = o. 6 -5'r, / iz r--c- IL 7 L E .. ENGINEERS & CONSULTANTS Cynthia Van Der Wiele Environmental Engineer II 401 Oversight & Express Permits Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, NC 27604-2260 (919) 715-3473 Direct Ms. Van Der Wiele, On March 16 we spoke about the proposed Neuse Buffer Variance request we have submitted for the Glenaire Retirement Community (DWQ Project #04-1854) located in Cary, North Carolina. John Domey requested that we discuss with you the requirements for the bioretention pond. When we spoke on die 16th you asked that we provide plans, details, plant list, BMP worksheet, and the Operations and Maintenance Agreement executed. Please find the requested information included with this submittal. If you have any additional questions, comments, or concerns in regards to this project please contact me at 858-1811. Thank you for your time and consideration in this matter. Sincerely, Warren Sugg, EI Mulkey Engineers & Consultants MULKEY. INC. 6750 T-- RDA CAU V. NC 2751 1 PO Oox 33127 BALE i oH. NC 27636 PH: 919-©51-1912 FAx: 919-051.1910 W WW.MULKEYINC.COM DWQ Project No. it 04 - 1854 DIVISION OF WATER QUALITY • BIORETENTION AREA WORKSHEET 1. PROJECT INFORMATION (please complete the following information): Project Name : G1 n50A rzs /Q4 Contact Person: 2if- SAnti 57QPJ15 Phone Number: Hl q ) NLoo- 8095 For projects with multiple basins, specify which basin this worksheet applies to: Permanent Pool Elevation Temporary Pool Elevation ?I 5 5o ft. oc> ft. (elevation of the orifice invert out) (elevation of the outlet structure invert in) Bioretention Surface Area Drainage Area Impervious Area Rational C Coefficient Size % Inlet Velocity Inlet flow depth Depth to Ground Water Planting Soil Infiltration Rate In-Situ Soil Infiltration Rate II. REQUIRED ITEMS CHECKLIST 6"5,0 sq. ft. 0.5-61 ac. 0. y G ac. ash % (. o fps ?.m in I ? . o ft. /.OZ in./hr (on-site and off-site drainage to the basin) (on-site and off-site drainage to the basin) (either 5% in wlsand under drain or 7% in w/o) (the soil layer down to 4 feet) =7 in./hr. (the soil layer below 4 feet or below the sand bed) Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project. Applicants Initials MDA No vertical sand bed is proposed MDA The bioretention area is at least 40 feet by 15 feet. MDA Sheet flow is provided at inlet. MDA Water table depth is greater than 6 feet. A 1) Minimum of 6" ponding is provided. fJ The ponded area will draw down in less than 4 days. M Planting soil infiltration rate is greater than 0.52 in/hr. MDA The in-situ soil infiltration rate is greater than 0.2 in/hr. M. DA A planting plan with species and densities is provided. MDA Mulch layer is specified in plans. MDA, Planting soil meets minimum soil specifications (NCDENR Stormwater Best M Practices Manual, April 1999) M b A Plan details for the bioretention area provided. m bA Plan details for the inlet and outlet are provided. AAbA An operation and maintenance agreement signed and notarized by the respoPlease note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains anagement risible party is provided. WETLAND DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT The wetland detention basin system is defined as the wetland detention basin, pretreatment including the vegetated filter if one is provided. Maintenance activities shall be performed as follows: After every significant runoff producing rainfall event and at least monthly: a. Inspect the wetland detention basin system for sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. 4. Remove accumulated sediment from the wetland detention basin system semi-annually or when depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wetland detention basin or stream, etc.). The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. When the permanent pool depth reads 465.63 feet in the main pond, the sediment shall be removed. If the elevation of the marsh areas exceed the permanent pool elevation, the sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations. Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled for more than two weeks. BASIN DIAGRAM (fill in the blanks) Permanent Pool Elevation = 466.00 Sediment Removal Elevation = 465.63__,' 75% - ---------------------------------------- MAIN POND 5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These plants shall be encouraged to grow along the vegetated shelf and forebay berm. Pagel of 2 Wetland planting densities in the marsh areas should be maintained by replanting bare areas as needed. Wetland plants should be encouraged to grow in the marsh areas. 6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wetland detention basin system shall be maintained in good working order. 8. Level spreaders or other structures that provide diffuse flow shall be maintained every six months. All accumulated sediment and debris shall be removed from the structure, and a level elevation shall be maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or replanted as necessary. I acknowledge and agree by my signature below that I am responsible for the performance of the seven maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: JL- Lke ( N? ?j f ors Title: l? e c ..t ?,v z c, c s?c Address: 14000 ?, I Q na . J?e L v?c,l ?ut'?i. I?(C -Z -7 ti // Phone: 01, <<; 46 0 (- ?1A'I; 5 '?( 10 1 Signature: Date: Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. I, f urc a Notary Public for the State of NC County of WCIKF- do hereby certify that &irnuel M • ?iOr?e personally appeared before me this 2 day of March , ),no c5 , and acknowledge the due execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and official seal, cH(j o? Rey Cia'iG41 Exp V*: 4 74r&;arraraa?tn9;ctw'" SEAL My commission expires 1 1 • /v • of Page 2 of 2 40-MULKEY CALCULATION SHEET PAGE of ENGINEERS 6 CONSULTANTS CLIENT PROJECT No SUBJECT Prepared By Date Reviewed By Date 01OPFf -[FNTI() A/ A-E; A $IZINL1 e6AIDUT-ATIC>4 C?--tIZ St-oQMvJA;EQ Bf=s7 MPNPLrI-MGMT PrzAc7mir--l" &PL-IL 19gl) i'C??P?;?U ?(?Il?CIr.?Lr io 3ioLc?eN?r?J =? ??u sF ?xrS-nNtf F0//-LlW4 b 31 ?r T ?rr?;?r`1 = 3 Not SF 13, Zq(? ?? x o,qs(?-) = 12? U31 310RETENTfc?tJ ARFA S Z:WL7 I?11T1-1 SA.rr D6?D ?S ? SUM of AeEA n G, = X31 sl= L?Fc;uIL'ED IZj(31 x o. c)!5 BRING LOG EXHIBIT AREA WELLNESS CENTER EXPANSION GLENAIRE SHEET NO. 42-MUL-KE-Y ENOINEEREJ & CONSULTANTS �_� F0 Box 331 27 RALCIOH. N.C. 27636 (919)851-1912 (919) 851-1918 (FAX) WWW.M ULKEYINC.COM 1111 it ♦'.i C\Fj 4 � r �. .I _ I 7 1 W BRING LOG EXHIBIT AREA WELLNESS CENTER EXPANSION GLENAIRE SHEET NO. 42-MUL-KE-Y ENOINEEREJ & CONSULTANTS �_� F0 Box 331 27 RALCIOH. N.C. 27636 (919)851-1912 (919) 851-1918 (FAX) WWW.M ULKEYINC.COM (-'GL-G.Vw .. .. -- GEDTECHN/Csf1 y ?dF?/NG L 90 DURHAM, NC CHARLOTTE, NC CLIENT F lanalro Patiroment Communltu PROJECT Phcise II Additlons LOCATION Cg m North ccrollna CTL PROJECT NO. 'r-0500213- DRILLER Kan Parton R 10 TYPE GMT 550-X BORING NO. II ELEVATION 5 TOTAL DEPTH 20 :1 E08t DATE STARTED - DATE COMPLETED-W2l gl- -- WEATHER • 5) r,- roe' BLOW COUNT BLOWS PER FOOT (N)' A N p ATERIALS RE1dARKS o 0 20 ?0 60 80 100 W? 0 DESCRIPTION OF M (? (f) 6' M C 455 0 rl YolL-nlsh Snoar4 Tan, ar?? 6racy Tap?o11. 4.0 hche+o d+ 4 -t 92 55-I . 5111 ty Gorf?a=k W ModlUml ; : : M0dUm Pottao Flno to 5 (41 . Mica:oous,! SU.T (tau.) +4a 10 15 438 20 6orN Tormbatod at 20.0 foot 5roundrttatdr - l14 T?. - {4:5 foci in 5af4j Slit (Kj 24-Ie 11.1 Wt 25 429 30 35 4? B 40 ; . . . . . . . 45 4ae 50 :::: 55 See Legend Sheet For Explanation of Symbols and Abbreviations Used Above {--e1-Guuu LIV11 -' GEOTECHN/CAL ? ?DF//1/G L OG DURHAM, NC CHARLOTM NC CLIENT 6lonaire Retlr©ment Gommun1tU PROJECT ?'?ase it Addl?ons LOCATION Garin,, North Carolina CTL PROJECT NO. c7-050012R DR I LLER Ken Barton RIG TYPE GM5 550-X BORING NO. 5-12 ELEVATION 451 bout TOTAL DEPTH ?n n Fgni DATE STARTED DATE COMPLETED- 3/21/q-I WEATHER 5un ENV. (ft) o?rFl (ft) BLOW COUNT 6' 6' BLOWS PER FOOT (N) 0 20 40 60 BO 100 Wn A N M 0 0 G DESCRIPTION OF MATERIALS R(W. KS 451 (] , Tan, and bra 1"oll?wlah Eirorn TopuaTt - 9A Whczk (°f) 31 e3-I . , !54q GCmpxt to ModluRl : t'. . . . . . Mfitau4 pus, S di S LT W 441 10 Gq) . : 29 59-0 15 1q1....... so :(N: : : ss•a 431 20 . . . . . . . . . . . . . . Donna Torminatod at 20.0 too: in 5=41 SILT (Kj Oroundwatar- I ?.?. 16?i foot 244r - 10.41 foot 25 421 30 . : . . . . . 35 ...:: 411 40 : : : : : : : . : 45 ......... 01 50 . . . . . . . . 55 ......::. See Legend Sheet For Explanation of Symbols and Abbreviations Used Above V, . GEOTECHN/CAL ao?iivc ? oc DURHAM, NC CHARLOTTE', NC CLIENT Glencalra Retlrement Gommunlty PROJECT Phgsc If A??1nn5 LOCATION Garza, North Gcarollon CTL PROJECT NO. a1-05002R DRILLER Ken Parton Plc; TYFF' GM1= 550-X BORING NO. 5-1 -- ELEVATION ??o few - --- TOTAL DEPTH ' L =t DATE STARTED aZ21 a-t DATE COMPLETED WEATHER nof ---- BLOW COUNT BLOWS PER FOOT (N) n A N L N OF MAI?RIALS '6;EWKS 0 ft) (ft) fi' fi' fi' 0 20 40 60 80 100 W .1 M 0 G DESCRIPTIO ( 460 0 1 Tan cand uca"% Moatlm 5tRP, Topw?I -.6A hoha? (? . - n i?_csoaoun C 51L . YoAowlsh Ek own and Hh", 5 21 50-* r Modw rk"a, Mire,eoous Sandy 1LT (MQ -Mr- M (2q) 25 15" 5 a 450 10 ; 1?a1 2a s-.f . . . . . TcM and Mack, DOM# to YOrIl DOnao, MOCIW to Goar", 15 Ml=umo, 511t9 SAND (5M) 4.40 20 92 54 aO - 21 0s-a ( . . . . . . . . . . . . Bord egg Tormhatod 4t 21.D Perot In 511 5A4 W (5W 1 p. 'DJ tit 25 430 3p 35 420 40 ......... 45 410 150 See Legend Sheet For Explanation of Symbols and Abbreviations Used Above Imo; U, -t'lVry? /0 7 /qx / -.r 10 ------ - --- - ---- 11 f i - I \\ 77- JVJ ? i r \ ,? ?. 00 \ ?'1t v t! t -Tj L / O LC , 1 c \ ?/ / I z UI XI / ! ! )I n A •, ?• \ -fi-,? 1J?1 //, i ! is D ZQ3 DRAINAGE AREA SHEET NO. 40. NIULKEY WELLNESS CENTER EXPANSION EN93INEER9 & CONEltJLTANT13 D-1 PO OoX 33127 RALCIn H. N.C. 27636 GLENAIRE (919)051•,9,2 (919) 851-1 91 © (FAX) WWW.MLILK6YINC.COM (F \PLOT\varianceareaexhibit.dgn 01/27/2005 10:37:45 A14 ?? ,?? ,? , •.? ? ? Ire ? : 1 ? i, 71 4!3 4 , R F D R,41 N -ZZ ,t, ? i' _ \'R•:j- '?',,-? a- ? ,rte, Ell 0 E ru - , ? 01- CO' ! I i It' •i N ice _ D @ ?D D PRE DEVELOPMENT IMPERVIOUS MAR 2 3 2005 AREA= 13,326.38 SF (0.31 AC) D°s?,? SAl-R °U ,7?' , 6i WICH SCALE: 1" = 30' 2 N ° ? Q N F Z ?a F J F 4 Z m xo ? n c 4? ,? nnmZ P n oo? W : ? Y ?Z..? Z o;mmf Z W IL as 3 Z Q O W T N LL Z Q Q r ?? ^ Z) 0 W W W Q W C- I Z W 2 UW _j 0 / v^ / W U) W II Z W _j W J ? W 3: a cli 0 Lr) 0 O (U cli O Cn a L X N L r0 d u c L ,o F" O m X?l `•? !?I J 1 # 00 6'. 1,, .i l v? J J. ? / 1. , ! 11? I ? ?? ? \ i?,k NJ 77 i 1 V V-: / ?_?_ -'?.^???'^?`?--- ??\ __ Cam- ??• `V A P [] ?? Jai ?!/;?/', ??. Y ; r - ?\\.. ,; -. i \`??• ????- \?? u Z_ r r 0 n / r, F D 1 i CG t -. r 2 ? B K D FFE=463.8'12' PRE-DEVELOPMENT PERVIOUS AREA=11,253.33 SF (0.26 AC) [9 uat gaa9 5 M0 2 3 ?005 DtNR • VWATER QUALITY ?pg??dpSTORknWER6RIJz 'CH SCALE: 1" = 30' 2 M ° ? Q x N h Z m E F m Z d ® tl n QU m? ? nnmZ J n.®m m Y 3 m m Z xxom o a2 m;ov3 z u o<"3 ez003 4 z O W U) Z Q ? (/) X W W O w w > W Q w z Z 0- W W J U W U) U) 0 W W Z J W 3: m Cu O Lr) O O Cu clu O a a X v v 0 S V ?. i l A ???1?!"v t r r ! •.. _ t iv v ?pd 4 "-5 F D R AID ? r??l I? I 03 r Pr D-) i8 !?v i =4bt.? I? 2 S B K D FFc-=46i.89 NEW DEVELOPMENT IMPERVIOUS AREA= 6,723 SF (0.15 AC) MAR 2 3 2005 DENR - WATER QUALITY StiETLMMSMM STORIAIVATER BRAT rH SCALE: 1" = 30' a d. Z Q x N h 2 ?p F J m F ?Z m XO U ? ?U ? nnmZ p n •oa? ? oemoF ? m?003 ?Z 13 W as°@3 z w0 ii z v/ CL Z/ X 0 ww' > w c? - L LuzZ ?wJ -U? wU) ow z J ww z? a O N to O N N O 01 a x U C L m O I I f^ .--? 'tip ?.? \ , ? V r 1 // 07; ! j r l ?'.? I ?? f j ? ? I 1 ?i i 3. 5, I , 1 I L U :.. 1. I 'J i r ? 0-) ? i `71 1-1, ?. ski' ?y?•, ?\ \'\ U o PvC '- -- \ \ i ; f1 I' l F D F, NS I L:OUT i- J 1. J l BK D FFt= 6.x.89' 1 ???? V MAR 2 3 2005 POST-DEVELOPMENT PERVIOUS « °E R- WATER QUALITY AREA= 4,707.68 SF (0.11 AC) SCALE: V = 30' O 2 y, W I w Q 2 N h Z ?p W?j p F Z Xp n b. ? rnnmZ p n.DOm w A Z", Z A xI©©F De p D?DD3 Z 13 d n¢°D3 z <0 w U) wz rn? V/ X 0 w w - w w W w wzz a,WJ QUO w U) OW F W ' U) Z J 0? aw m -zc N N m 0 0 0 N Cu O L X v L N F- a \. , t 11 Ov\ `X ? 11 C _? ?,I v R,STA ' N 15'x45' BIORETENTION??, BERM--\ AREA 1' WIDE S AND BED J 5' D BUFFER I i ?7o V_ AREA TO BIORETENTION FROM PROPOSED BUILDING....... 9,894 SF AREA TO BIORETENTION FROM EXISTING BUILDING--------- 3,402 SF REQUIRED AREA FOR BIORETENTION ------------------------631 SF ?II11 f CULVERT t S,? TO 43- RCP COLVEA y4"141EkDWAtLS? ol, ROOFLINE.OFPROPOSE?----._.?- WELL N -(ENTER-EXPANSION \ "tO. BIORETENTION AREA _ aryl `? ? Nlp t , t [? I ?rl,1 L tI ,ll? "I oosRv st?RO??1ry SCALE: 1" = 30' O Z ? O N m F Z ?p F J n I Z c <n n r 4u mmmZ n m -mmm it n. y ?W AZ^tn3 Z xpeammE p o?mo3 Z p < W KmEa3 Z O U) Z WQ W WW ZWW 0WQ Zzz W W W I-Uc) W r' ? ' Ix U) 0 W z J W a 117 N N O tn O N N O a L 0 v 0 n O i ?OF W ATFRQ Michael F. Easley, Governor `0 G William G. Ross Jr., Secretary r North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality November 29, 2004 DWQ Project # 04-1854 Wake County CERTIFIED MAIL: RETURN RECEIPT REQUESTED Glenaire Retirement Community Attn: Dr. Sam Stone, Director 4000 Glenaire Circle Cary, NC 27511-3802 Subject Property: Glenaire Retirement Center in Cary off Kildaire Farm Road REQUEST FOR MORE INFORMATION Dear Mr. Stone: On November 17, 2004, the Division of Water Quality (DWQ) received your application dated November 15, 2004 to impact 0.40 acres of buffers to construct the propo ed aquatic and exercise center. The DWQ has determined that your application was incomplete and/or pr6vided inaccurate information as discussed below. The DWQ will require additional information in order td process your application to impact protected wetlands and/or streams on the subject property. Therefore, unless we receive the additional information requested below, we will have to move toward denial of your application as required by 15A NCAC 2H.0506 and will place this project on hold as incomplete until we receive this additional information. Please provide the following information so that we may continue to review your project. Additional Information Requested: 1. Please show all wetland impacts including all fill slopes on the site plan. The site plans shows "wetlands. 2. Please provide the location of any proposed stormwater management practices as required for the Major Variance. 3. Please account for the stream and buffer impacts form the construction access road, which will be retained on site. Also address whether this crossing is sized property to allow passage of flow and aquatic life. 4. Please have the US Army Corps of Engineers confirm in writing whether any jurisdictional wetlands are present on your site 5. We believe that a bio-retention area could be constructed either in the courtyard or the location to the east of the proposed building. Alternatively you may be able to treat existing untreated stormwater else where on your site in order to meet this requirement. 6. Please fill out section 6 of the Major Variance form (pre-versus post nitrogen loading). 7. Please be aware that the March Water Quality Committee is the next likely date for this project to be heard. Please respond within three weeks of the date of this letter by sending this information to me in writing and Mike Horan of the DWQ Raleigh Regional Office. If we do not hear from you within three weeks, 401 Oversight/Express Review Permitting Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 Phone: 919.733.1786 /FAX 919.733-6893 / Intemet: htto://h2o.enr.state.nc.us/ncwetlands One N Carolina Naturally An Equal Opportunity/Affirmative Action Employer- 50% Recycled/ 10% Post Consumer Paper Glenaire Retirement Community Page 2 of 2 November 29, 2004 we will assume that you no longer want to pursue this project and we will consider the project as withdrawn. This letter only addresses the application review and does not authorize any impacts to wetlands, waters or protected buffers. Please be aware that any impacts requested within your application are not authorized (at this time) by the DWQ. Please call Bob Zarzecki or Ms. Cyndi Karoly at 919-733-1786 if you have any questions regarding or would like to set up a meeting to discuss this matter. Sincerely, R? Cy di Karoly, Supervisil/ 401 Oversight Unit CBK/bs cc: DWQ Raleigh Regional Office USACE Raleigh Regulatory Field Office File Copy \ Central Files Michael Allen, Mulkey, Post Office Box 33127, Raleig?, NC 27636 Filename: 04-1854 Glcnaire Retirement Community (Wake) On Hold 1 i L. z- y ENGINEERS C . C O N S U LTA N T S November 16, 2004 Bob Zarzecki, Environmental Specialist III Division of Water Quality, Wetlands/401 Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 Re: Variance Request Form: Neuse River Basin Glenaire Retirement Community Cary, North Carolina Wake County NUV 1 7 2004 1:ci1q?; ANDSTORj.rVI R'BRAt,'CH Bob, Based on our meetings at the existing Glenaire Retirement Community with both you and John Dorney on separate occasions, we are submitting a Variance Request Form for the proposed iinpacts to the Neuse River Basin required for the expansion of the retirement community. As you may recall, the Glenaire Retirement Community is located close to downtown Cary off Kildaire Farm Road. We are proposing a building expansion to include a Wellness Center and swimming pool to better care for the residents. Glenaire would like for the pool and wellness center to be accessible for all die residents of its health care center. The proposed expansion needs to be located close to the health care population because of their limited mobility. The wellness center will serve the health care population (nursing and assisted living) as well as the independent living population. Therefore the wellness center is proposed to be located between the health care center and the independent living areas so that it is accessible to both. This proposed expansion will impact a Neuse Buffered drainageway located between two of the existing buildings. As outlined in the variance request, there is no other site within the development that meets the above criterion. There is also very little room on the site available for stormwater treatment. We are proposing incorporating a velocity control to an existing eroded stormwater outlet and providing a fee to the Riparian Buffer Restoration Fund to offset the impacts of the proposed building expansion. Additional information is provided in the attached application package. Thank you for you time and consideration. Please contact me at 858-1888 if you have any questions, comments or require additional information. We look forward to hearing from you. SincerelMAllen, P.E. Project Manager Cc: Dr. Sam Stone, Glenaire MULKEY. INC. 6750 TRYON ROAD CARY, NO 27511 PO COX 33127 RALEIGH, NC 27636 PH: 919-©51-1912 FAX: 919-©51-191© WWW."ULKLYING.COM I OFFICE USE ONLY: Date Received Request # ' State of North Carolina Department of Environment and Natural Resources Division of Water Quality Variance Request Form t Neuse River Basin: Nutrient Sensitive Waters Management Strategy Protection and Maintenance of Riparian Areas Rule (15A NCAC 0233) ' NOTE. This form may be photocopied for use as an original. ' Part 1: General Information 1. Applicant's name (the corporation, individual, etc. who owns the project): ' Glenaire, Inc. 2. Print Owner/Signing Official (person legally responsible for the facility and its compliance) Name: Dr. Sam Stone ' Title: Director Street address: 4000 Glenaire Circle City, State, Zip: Cary. North Carolina 27511-3802 ' Telephone: (919) 460-8095 Fax: (919) 467-0844 ' 3. Project Name (Subdivision, facility, or establishment name - consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Glenaire Phase IV ' 4. Location of Facility Street address: 4000 Glenaire Circle City, State, Zip: Cary, North Carolina 27511-3802 ' County: Wake Latitude/longitude: 2,063,858 : 737,567 5. Directions to facility from nearest major intersection (Also attach a map): Facility occupies the northeast corner of the intersection of W. Cornwall & Kildaire Farm Rd. 6. Contact person who can answer questions about the facility: Name: Michael Allen, PE - Mulkey Engineers and Consultants Inc. Telephone: (919) 858-1888 Fax: (919) 851-1918 Email: mallen(a)mulkeyinc.com 7. Requested Environmental Management Commission Hearing Date: As soon as feasible. Version 1: September 1998 1 Part 2: Demonstration of Need for a Variance NOTE: The variance provision of the Neuse Riparian Area Rule allows the Environmental Management Commission to grant a variance to an affected party when the following conditions apply on a given project: (a) practical difficulties or hardships would result from strict application of the rule: (b) such difficulties or hardships result from conditions which are peculiar to the property involved; and (c) the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. This part of the application is to explain how the project meets criteria (a) and (b). 1. Attach a detailed description (2-3 pages) explaining the following: (ATTACHMENT A) • The practical difficulties or hardships that would result from strict application of the Rule. • How these difficulties or hardships result from conditions that are unique to the property involved. • Why reconfiguring and/or reducing the built-upon area to preserve a greater portion of the riparian area is not feasible on this project. If economic hardship is the major consideration, then include a specific explanation of the economic hardship and the proportion of the hardship to the entire value of the project. Part 3: Water Quality Protection NOTE: This part of the application is to explain how the project meets criterion (c): the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. 1. Briefly summarize how water quality will be protected on this project. Also attach a detailed narrative (1-2 pages) describing the nonstructural and structural measures that will be used for protecting water quality and reducing nitrogen inputs to surface water. (ATTACHMENT B) Currently, two pipes outlet stormwater collected from the existing parking lots and loading dock and release the stormwater into the tributary. Due to the limited open space in the ' vicinity of the stormwater inlets, no treatment mechanisms are possible within the loading dock and parking areas. The existing outlets have eroded a four foot deep pulley leading to the tributary. The footprint of the proposed building requires these pipes to be extended. ' The proposed proiect will combine these pipes and extend them to a new outlet point. Due to the limited area, no treatment of this stormwater is possible. However, velocity will be controlled as much as feasible. A series of drop manholes will be installed to reduce the velocity of the stormwater. The outlet will be protected with rip rap. Due to the limited space available for treatment. Glenaire would like to submit a fee to the Riparian Buffer Restoration Fund to offset the impacts of the proposed building expansion. 2. What is the total project area in acres? 0.40 acres 3. Which of the following permits/approvals will be required for this project? N/A CAMA Major N/A Sediment/Erosion Control N/A 401 Certification/404 Permit Variance Request Form, page 2 Version 1: September 1998 11 ' Part 3: Water Quality Protection, continued 4. Complete the following information for each drainage basin. If there are more than two drainage basins in the project, attach an additional sheet with the information for each basin provided in the same format as below. (ATTACHMENT C) n Project Information Drainage Basin 1 Drainage Basin 2 Receiving stream name Unnamed tributary to MacGregor Downs Lake Receiving stream class' WS-III NSW Drainage basin area (total) 92 acres Existing impervious area3 (total) 46 acres Proposed impervious area3 (total) 0.22 acres Impervious area3 (on-site) 44.4% Impervious area3 (total) 50.0% Impervious area3 Drainage basin 1 Drainage basin 2 On-site buildings 8.99 acres On-site streets 2.88 acres On-site parking 1.75 acres On-site sidewalks 0.21 acres Other on-site 0 Total on-site 13.83 acres Off-site 32.17 acres Total 46.0 acres The intemet site forthis information is http://h2o.enr.state.nc.us/strmclass/alpha/neu.html 2 Total means on-site plus off-site area that drains through the project. 3 Impervious area is defined as the built-upon area including, but not limited to, buildings, parking areas, sidewalks, gravel areas, etc. 5. How was the off-site impervious area listed above derived? ' The off-site impervious area was estimated based on visual inspection of the drainage area. The drainage area includes the Kmart/Food Lion shopping center at the corner of Kildaire Farm Road and Maynard Road. [1 6. What will be the annual nitrogen load contributed by this site after development in pounds per acre per year without structural BMPs (stormwater pond, wetland, infiltration basin, etc)? Attach a detailed plan for all proposed structural stormwater BMPs. (ATTACHMENT D) Drainage basin Size of drainage basin ac Post-development nitrogen loading rate without BMPs` Ibs/aCIA) BMP nitrogen removal efficiency'` % Final nitrogen loading rate (Ibs/ac/yr) Final nitrogen loading from drainage basin Ibs 1 2 3 4 5 Totals ------ ------ ------ 4 Attach calculations and references. 5 Attach calculations and references. Variance Request Form, page 3 Version 1: September 1998 ' Part 3: Water Quality Protection, continued 7. The applicable supplemental form(s) listed below must be attached for each BMP specified: ' Form SWU-102 Wet Detention Basin Supplement Form SWU-103 Infiltration Basin Supplement Form SWU-105 Curb Outlet System Supplement ' Form SWU-106 Off-Site System Supplement Form SWU-107 Underground Infiltration Trench Supplement Form SWU-109 Innovative BMPs Supplement Part 4: Submittal Checklist A complete appplication submittal consists of the following components. Incomplete submittals will be returned to the applicant. The complete variance request submittal must be received 90 days prior to the EMC meeting at which you wish the request to be heard. Initial below to indicate that the necessary information has been provided. Applicant's Initi Is I 1, -1 NA Item • Original and two copies of the Variance Request Form and the attachments listed below. • A vicinity map of the project (see Part 1, Item 5) • Narrative demonstration of the need for a variance (see Part 2) • A detailed narrative description of stormwater treatment/management (see Part 3, Item 1) • Calculations supporting nitrogen loading estimates (see Part 3, Item 6) • Calculations and references supporting nitrogen removal from proposed BMPs (see Part 3, Item 6) • Location and details for all proposed structural stormwater BMPs (see Part 3, Item 6) • Three copies of the applicable Supplement Form(s) for each BMP and/or narrative for each innovative BMP (see Part 3, Item 7) • Three copies of plans and specifications, including: 0 Development/Project name 0 Engineer and firm 0 Legend and north arrow 0 Scale (1" = 100' or 1" = 50' is preferred) 0 Revision number & date 0 Mean high water line (if applicable) 0 Dimensioned property/project boundary 0 Location map with named streets or NC State Road numbers 0 Original contours, proposed contours, spot elevations, finished floor elevations 0 Details of roads, parking, cul-de-sacs, sidewalks, and curb and gutter 0 Footprint of any proposed buildings or other structures 0 Wetlands delineated, or a note on plans that none exist 0 Existing drainage (including off-site), drainage easements, pipe sizes, runoff calculations 0 Drainage basins delineated 0 Perennial and intermittent streams, ponds, lakes, rivers and estuaries 0 Location of forest vegetation along the streams, ponds, lakes, rivers and estuaries ' Variance Request Form, page 4 Version 1: September 1998 Part 5: Deed Restrictions By your signature in Part 7 of this application, you certify that all structural stormwater best management practices required by this variance shall be located in recorded stormwater easements, that the easements will run with the land, that the easements cannot be changed or deleted without concurrence from the State, and that the easements will be recorded prior to the sale of any lot. Part 6: Agent Authorization if you wish to designate submittal authority to another individual or firm so that they may provide information on your behalf, please complete this section: Designated agent (individual or firm): Michael Allen PE - Mulkey Engineers and Consultants, Inc Mailing address: Post Office Box 33127 City, State, Zip: Raleigh, NC 27636-3127 Telephone: (919) 858-1888 Fax: (919) 851-1918 Email: mallen(a-)-mulkeyinc.com Part 7: Applicant's Certification I, Dr. Sam Stone (print or type name of person listed in Part I, Item 2), certify that the information included on this permit application form is correct, that the project will be constructed in conformance with the approved plans and that the deed restrictions in accordance with Part 5 of this form will be recorded with all required permit conditions. Signature: Date: Title: Director Variance Request Form, page 5 Version 1: September 1998 i_ 2ciC` ?J W 1 0 (D I NOT TO SCALE I? c '9 SHEET NO. VICINITY MAP ?MUUKEY x ENGINEERS Sa CONSULTANTS 33127 PO 013x ^ INC GLENAI RE RALKI AL61N. C. 27636 0 " x . , a ;1:1912 (9191 i (919) 851191 O (FAX) WWW.MULKEYINC.CDM J 1 ENGINEERS & CONSULTANTS ATTACHMENT A I MUIKEY INC. 6750 TRYDN ROAD CARY, NC 2751 1 P13 BOX 33127 RALEIGH, NC 77636 PH: 91 9-851.1 9 12 FAX: 9113,B51,1 91 B WWW.MULKEYINC.GOM A Continuing; Care Retirement Community An Affiliate of The Presbyterian Homes, Inc. Variance Request Form - Part 2: Demonstration of Need for a Variance Glenaire is a nonprofit, church-related continuing care retirement community which 1 provides services and accommodations for 380 older adults whose needs and abilities range from independent through levels of increasing dependence, including skilled nursing. When Glenaire was under construction prior to opening in 1993, the existing water quality rules allowed the placement of segments of the original buildings within what today are considered zones which should buffer the multiple branches merging eventually on site into an "intermittent stream." The only concern expressed in 1991 by Town erosion control officials was for areas that appeared to have wetlands characteristics. Glenaire has respected those concerns through erosion control measures including riprap and enhancement of vegetation especially in proximity to the storm drainage channels. Through the years of operations, the exercise program has grown impressively in active participation across all levels (notably, 125+ of the 260 independent residents) and in the variety of programs offered. For many of the programs, there is only one small room (600 sq.ft.) for both fixed equipment and aerobic classes. The need and demand exists for expanding the space and range of programs to improve this important aspect -- active, daily exercise -- of the available services. The plan is to construct a two-story addition to the Community Center adjacent to the existing exercise room, malting it possible to add a separate aerobic and physical therapy space and a much needed aquatic center with exercise pool (30'x50'x4'), Jacuzzi, showers, and lockers. Having such a facility will matte it possible for Glenaire to open more of its programs and services to older adults in the community who are not Glenaire residents. An exercise pool adds a dimension to the wellness and fitness programs which cannot be attained otherwise. On accompanying pages, the benefits are described more fully. The location of the building addition is critical to the overall plan. Granted, it encroaches on the buffered areas of the intermittent stream, but the location is truly the only but also the ideal place on the entire campus. The location is central within the main building complex, squarely between the independent and the assisted living and skilled nursing sections, physically connected to both. Also the location is directly opposite at ground level the existing exercise room and at the next level the kitchen which will support the proposed cafe addition. The social, physical, and overall health benefits for the older adults served by this addition tip the scale in favor of granting the requested variance. rrI'' `cµt.oir.?r??, ? 4000 Glenaire Circle » Care, North Carolina 2751 1-3884 919N-160-5095 i/ 800!2_-15-9573 v Fax: 919467-OS-14 ???? I GLENAIRE Case Statement for Aquatic and Wellness Center within Glenaire What justifies having a swimming pool and lots of exercise equipment in a retirement community? There must be a good answer for this question because there definitely is a trend toward including such state-of-the-art facilities and programs, especially within continuing care retirement communities (CCRCs). Some readily suspect that the main reason revolves around adding more spice to the marketing program. Doubtless this is a factor. Being competitive in terms of facilities, services, and a host of other factors is vital to the success and survival of any CCRC. But marketing, ultimately, is about being responsive to interests, needs, and demands future residents (that is, the future clients and customers). Having a good aquatic and wellness program has become one of those prized components of a desirable and desired CCRC. There is more to the answer, however, much more that builds on solid research and the responsibility of a first rate CCRC to help residents grow as they discover how to be live to the fullest a long and rewarding phase of life. * Being aware of some of the research findings and benefits ( ) from a comprehensive wellness program is a good place to begin: ' " Recent gerontological research has shown that many of the commonly accepted biomarkers of age (low vitality, lost muscle mass, decreased ' strength, reduced bone density, increased body fat, high blood pressure, etc.) [are] directly attributed to inactivity. "Advance technology has essentially engineered activity out of our lifestyle and we have become a very sedentary society. Even the 1886 Surgeon general's Report stated emphatically: "'Inactivity is harmful to your health.' "Now the good news! Contemporary research clearly shows that regardless of age, those who participate in regular moderate exercise/activity find that many of the commonly accepted negative manifestations of aging not only can be prevented, but even reversed. "With more and more consumers demanding new strategies for healing coupled with health care providers being forced to curb spiraling costs, a new approach to health care is emerging -- it's called wellness. Wellness is a pro-active prevention model as opposed to the re-active disease F model that has greatly influenced Western health care during the past century.... "Retirement housing providers who have chosen to make wellness an integral part of their business are enjoying many of the... benefits[, such as,] wellness compliments the health continuum, wellness raises the function level of participants, [and] wellness enhances health span and quality of life." As a total concept and approach, a wellness facility and program consists of an aquatic center (an exercise pool and Jacuzzi), aerobic exercise, and fitness and weight training available both for those seeking to maintain healthy bodies and those in therapy or recovery. The pool contributes the soothing advantages of buoyancy. What is proposed for Glenaire? Glenaire has the starting points toward a good wellness program. There is a popular teacher and trainer with diverse abilities who has a faithful following of one-third of the independent residents and the participation of core of able and willing residents in assisted living and nursing. Exercise space is limited to one equipped room and use of several multi-purpose rooms. The following steps have been recommended, found feasible, and approved for development by the Board of Trustees: 1. Construct adjacent to the lower level of the existing Community Center, mid-way between the independent and healthcare section and connected to both, an aquatic center consisting of an exercise pool (30' wide, 50' long, and 4' deep), a Jacuzzi, and dressing rooms. 2. At the same level, convert the existing exercise room into a fitness and weight training facility for class participation and guided, individual use. 3. Adjacent to the preceding, construct an aerobic exercise and physical therapy space for scheduled classes and individual therapy sessions. 4. Add the equivalent of one more teacher and trainer to complement and extend the capabilities of the instruction already in place. 5. Seek broader participation by Glenaire residents, future residents, and interested older adults from the surrounding communities. Total estimated construction cost: $ 1,435,755 Source: Age Dynamics, John Rude & Associates, info@agedynamics.com I Site Constraints 1,1110 ENGINEERS & CONSULTANTS The location of the proposed Wellness Center Expansion is shown in Attachment A-1 along with the centerline of the existing creek. The expansion will be located on the northern side of Building D. The main access to the complex is located at #4. Buildings A, B, and C are apartment buildings. Buildings E and F are the nursing areas of the complex. Building D contains the common area for both the dependent and independent residents of the facility. It contains the dining room, library, post office, beauty salon, music rooms, etc. Locating the Wellness Center Expansion in this area is essential for maintaining its accessibility to all the residents. All the residents with the exception of those in the detached townhomes can reach the proposed Wellness Center without being exposed to the outside elements and without traversing stairs. To the south of Building D are the existing loading docks (#1) which serve the dining room/kitchen and provide supplies and equipment to the entire facility. The Wellness Center Expansion could not be located in this area due to the inability to relocate these docks elsewhere on the property. In addition, existing parking lots (#2) for the residents and staff of the nursing areas could not be relocated elsewhere on the site to accommodate the expansion. An existing stormwater retention area is located in the vicinity of #3. This retention area is primarily for quantity control of the collected stormwater; however, there is some secondary treatment of the stormwater occurring in this area. The site is surrounded on the north, west, and south by existing residential subdivisions. The Town of Cary has required Glenaire to maintain 60 foot landscape buffers off of the northern and western property lines to shield the facility from the neighborhoods. This buffer also limits the expansion ability of the facility. The eastern part of the property contains townhomes. If the Wellness Center were to be located in this area, if sufficient area were available, would make its accessibility to the dependent care residents extremely difficult. MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO BOX 331 27 RALEIGH, NC 27636 PH: 91 9-851.1 91 2 FAx: 919.851-1 91 8 Ww .MULKEYINC.COM I r i :aim. I. M U LK EY Attachment A-1 ENGINEERS & CONSULTANTS ri Cl 110 ENGINEERS & CONSULTANTS ATTACHMENT B MULKEY INC. 6750 TRYON ROAD CARY, NC 27511 PO Box 33127 RALEIGH, NC 27636 PH: 919-851.1912 FAx: 919•B51.1918 WWW.MULKEYINC.COM t r L I f fl 1© ENGINEERS & CONSULTANTS Water Quality Protection Attachment B-1 outlines the footprint of the proposed Wellness Center Expansion. For an overall view of the facility, please refer back to Attachment A-1. The proposed expansion will impact a total of 5,347 SF of Neuse River Buffers with 2,428 SF of impacts occurring in Zone 1 (the inner twenty feet) and 2,919 SF of impacts occurring in Zone 2. Existing Water Quality Controls As shown in Attachment B-2, two existing pipes discharge stormwater into the existing creek. One 18-inch pipe collects stormwater from the existing loading dock area, transports it under the building and outlets. Another 18-inch pipe collects stormwater from the existing parking lot, transports the water under the nursing building and discharges into the creek. These combined outlets have eroded a four foot deep gulley at the discharge area. There are no velocity controls at the outlet pipes. However, downstream approximately seventy feet is an existing outlet structure which controls the quantity of the stormwater released downstream. This area reduces the velocity of the stormwater and provides an area of secondary treatment. Proposed Water Quality Controls The proposed stormwater collection system will combine the flows from the two stormwater pipes and transport the collected stormwater to a discharge area protected by a poured concrete retaining wall. The proposed junction boxes will drop the stormwater vertically three to four feet to reduce the slope on the pipes and begin to slow the stormwater. The discharge area will be protected with Class 1 rip rap to prevent erosion and assist in dissipating the velocity of the stormwater. Currently, the outlet pipes discharge at a ninety degree angle to the existing creek. The proposed discharge location will allow the stormwater to enter the stream at a much improved angle. The stormwater outlet structure located downstream will not be modified. Due to limited site availability, there is no room for any additional stormwater controls. Therefore, the facility proposes to submit a fee to the Riparian Buffer Restoration Fund to offset the impacts of the proposed building expansion. See Attachment D for details regarding the proposed fee. MULKEY INC. 6750 TRYON ROAD CARY. NC 2751 1 PO Box 331 27 RALEIGH, NC 27636 PH: 91 9-851.1 91 2 FAX: 919-651.1 91S w .MULKEYINC.COM 17 )F_N'AIN'_'5 m =11 i m m r TEMPORARY-CONS?RL ACCESSJO BE RETAIN ' UNPAVED ,fl _- m o m m r m s m nQN i-AS-- - - . \-? ZONE 2'NEUSE BUFFER r ; S) r ZONE 1 NEUSE BUFFER ,f - ?- ?` -'? -- -- CREEK \ REFER TO SHEET -..` '? ? CENTERLINE. -' = •` B-2 FOR PROPOSED \ / _! _ ----.,, ..? ? . --?_-rr1 - i? ?? ,. r ` L l STORMWATER OUTLET 1 -?- -FO( TRRINTOF PROPOSED `--= --- _ -, --;---WELLNES_S-CENTER EXPANSION 0 U p F ZONE 1 NEUSE BUFFER lz; ONE 2 NEUSE ();ER+L EXISTING ACCESS PATH K D ZONE 1 NEUSE BUFFER IMPACTS: 2,449 SF ZONE 2 NEUSE BUFFER IMPACTS: 3,519 SF EXISTING PATH ZONE 1 IMPACTS: -21 SF EXISTING PATH ZONE 2 IMPACTS: - 600 SF NET ZONE 1 NEUSE BUFFER IMPACTS: 2,428 SF NET ZONE 2 NEUSE BUFFER IMPACTS: 2,919 SF SCALE: 1" = 30' NEUSE BUFFER IMPACTS WELLNESS CENTER EXPANSION G LENAI RE SHEET NO. .MULI<E_y ENGINEERS 8. CONBULTANTF3 B-1 PO Box 33127 L? RALCIGH, N.C. 27636 (9191851:1912 (91 91 85 719 1 8 (FAXI WWW.MULKEYINC.COM ? ?i; /rte " jam=== s: ? ???- ?-?? ? ?? •'l 47 ^?' \ _ t /41 1 POURED CONCRETE RETAINING WALL ?, r5' (APPROX. 2' HIGH) r\ r' Io-, 27'- 18" RCP @ 0.50 INVERT IN=462.27 INVERT OUT=458.27 EXISTING OUTLET` J (mob "? o?} ,u ??lo ` j- CLASS 1 RIP RAP TO DRAINAGEWAY I 27,° 24"?RGP-@---a50`1? INVERV' IN=458.14 'INVE117,`OUT=457.64 ' '? .XISTiNG_LT ntLET \ _-0,50% INVE -iN-4fiLQ7 INVERT_OUT=458.36---=- i! SCALE: 10=20' SHEET N0. WELLNESS CENTER EXPANSION 49-MUL.KEY ENGINEERS & CONSULTANTS PO Box 331 27 B ? ?1/ -L GLENAIRE 1:.4LCIUH. N. C. 27636 f919) f3S1-1912 1919) [351-19113 (FAX) WWW.MULKEYINC.COM G 0 a L x w m .C. '?."- MULKEY ENGINEERS & CONSULTANTS ATTACHMENT C MULKEY INC. 6750 TRYON ROAD CARY, NC 27511 PC Box 33127 RALEIGH, NC 27636 PH: 919.851-1912 FAx: 919-851-1 91 8 -.MULKEYINC.COM 1 1 1 p78° 48' 0.00' W I 1 I p78° 47'10.00'W, I f ?. /4'•? f1 Fj ._ ..?;._.%,yl.•_••.?.Or r q4 ? ? Nil\f w K ? ?,?- ? ? +3 I g r ? rk ? I '• l ?? _ ??, ; ? ±? - :, ? 1 h S O T7 oil ?tlf • • - ?f r 1 i ?? ? ? ; y %'?? 7 l r • ` ' • . .r ?. ? 5.-A? , r I ?" ?A[MR `wv f1K \y' r + LAM t- 47 , • ' . i ? •% l i ?.? '? ? - E >r ? ass ?', r ??j •? t ? y*• . -l' 't f O! +V ? • s? ? •7 - ?.. t _ f O• 7 HA t /l l ? wQ ' i , 1 t `t ? l • O ( • . I ! aka -?• ? `? `G : . 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I X31 o-. .. 13 r _ _, t•_ 44 4 it t ? 1 1 v ? f N fr I ? ?' ? • \ , t? 1 ' ((( t• ' ` Name: CARY Date: 11/1/2004 Scale: 1 inch equals 2000 feet 078° 48'10.00" W 078° 47'10.00" W Location: 035045'36.99" N 078'47'34.36" W F'_- m -1 ARIVE r; . 1 ? r' 'ct E o 00 } ' •l 4 f A. n o S 4- 4: r f r I Cf) y. -?.a- - -Oft it 1 f ? L o .' .? ?Q`_ r r `1 it r} p_ ?i go sk co Q r i ' 1 O) ti r- • U •F' i 1 r ' ? } ' r .j', ????: r ? •-114 ? ? `ti 'ti • ? ? 5 'I -?O, - ? (ry?? I ? ,[' ; '? {fir _ _-? r' ,• ,a ? ' ?/r; '? ? r} .•r? ;,'? ?: is I f k , . O- ?/ , `? ti '•? I ?R7! iii • • 1 - 1 t _ o co y Y "' ti - t ` - .` .? ` '? / f i?? f' Jam/ Q • '?-i l+ • ? O r i -?'? -' -? y '??. ? • 1.?,, - ? ~??,?? X03! (l'ljkr 'tom- ? '• .? ? y - ?' t. V Ll? ( r ?? ?J - , - ? C\j oy, ?i? e ?` o Er?U f 1 1 1 1 1 1 1 1 t 11 © = Y ENGINEERS & CONSULTANTS ATTACHMENT D MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO Sox 331 27 RALEIGH, NC 27636 PH: 91 9.851.1 91 2 FAx: 91 9.851.1 91 8 WWW.MULKEYINC.COM i Attachment D f ENGINEERS & CONSULTANTS Proposed payment to Riparian Buffer Restoration Fund Due to the lack of available area for treatment of the collected stormwater as described earlier in the application, Glenaire would like to make a payment to the Riparian Buffer Restoration Fund. The payment is based on impacts shown in Attachment B-1: Zone 1 Impacts 2,428.0 SF Mitigation Factor, 3X 7,284.0 SF Riparian Buffer Restoration Fund, $0.96/SF $6,992.64 Zone 2 Impacts 2,919.0 SF Mitigation Factor, 1.5X 4,378.5 SF Riparian Buffer Restoration Fund, $0.96/SF $4,203.36 TOTAL Payment $11,196.00 r w MULKEY INC. 6750 TRYDN ROAD CARY, NC 27511 PO Box 33127 RALEIGH, NC 27636 PH: 919.851-1912 FAX: 919-851-1918 w .MULKEYINC.COM I aaaaaa aa•aaaaaaaa•aaa 1 9C . 'f January 3, 2005 E N G I N E E R S & C O N S U L T A N T S Cyndi K holy, Supervisor Division of Water Quality 401 Oversight Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604 Re: Glenaire Retirement Community Cary, North Carolina Wake County Ms. Karoly, In accordance with your letter dated November 29, 2004 concerning the Neuse Buffer variance request for the Glenaire Retirement Community, please find attached the Notification of Jurisdictional Determination from the U.S. Army Corps of Engineers. Thank you for you time and consideration. Please contact me at 858-1888 if you have any additional questions or comments. Sincer ? Michael D. A en, P.E. 7a Project Manager V JAN 0 5 005 Cc: Dr. Sam Stone, Glenaire Retirement Community 6,'E ;S? " LVi1 'R QUALITY A`dD STGt- 41ATER BRA1JCN MULKEY, INC. 6750 TRYCN ROAD CARY, NC 2751 1 PO DOx 33127 RALEIGH, NC 27636 PH: 919-©51-1912 FAx: 919-1351-1916 WWW.MULKEYINC.COM '-4` ;, ` l r t rr -•s U.S. ARMY CORPS OF ENGINEERS `-•-r' WILMINGTON DISTRICT Action ID: 200520164 County: Wake NOTIFICATION OF JURISDICTIONAL DETERMINATION Property Owner: Glenaire Retirement Community Attn: Samuel M. Stone Mailing Address: 4000 Glenaire Circle Cary, North Carolina 27511 Telephone No.: (919) 460-8095 Authorized Agent: Mulkey Engineers & Consultants Attn: Cindy Carr Mailing Address: Post Office Box 33127 Raleigh, North Carolina 27636 Telephone No.: (919) 851-1912 Property / Project Area Description: Size (acres): 25 Nearest Town: Cary USGS Quad: Cary Site Coordinates: 35.7761 °N 78.7859 °W River Basin: Neuse HUC: 03020201 Nearest Waterway: Swift Creek Location (road name/number, intersection, etc.): The property (Glenaire Retirement Community) is located west of Kildaire Farm Road, and north of Cornwall Road, in Cary, Wake County, North Carolina. Indicate Which of the Following Apply: ? Based on preliminary information, there may be waters of the U.S., to include wetlands, on the above described property. We strongly suggest you have this property inspected to determine the extent of Department of the Army (DA) jurisdiction. To be considered final, a jurisdictional determination must be verified by the Corps. This preliminary determination is not an appealable action under the Regulatory Program Administrative Appeal Process ( Reference 33 CFR Part 331). ? There are Navigable Waters of the United States within the above described property subject to the permit requirements of Section 10 of the Rivers and Harbors Act Snd Section 404 of the Clean Water Act. Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ® There are waters of the U.S., to include wetlands, on the above described-property subject to the permit requirements of Section 404 of the Clean Water Act (CWA)(33 USC § 1344). Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ? We strongly suggest you have the waters of the U.S., to include wetlands, on your property delineated. Due to the size of your property and/or our present workload,.the Corps may not be able to accomplish this wetland delineation in a timely manner. For a more timely delineation, you may wish to obtain a consultant. To be considered final, any delineation must be verified by the Corps. ® The waters of the US., to include wetlands, on your property have been delineated'and the delineation has been verified by the Corps. We strongly suggest you have this delineation surveyed. Upon completion, this survey should be reviewed and verified by the Corps. Once verified, this survey will provide an accurate depiction of all areas subject to CWA jurisdiction on your property which, provided there is no change in the law or our published regulations, may be relied upon for a period not to exceed five years. Page 1 of 2 ? The waters of the U.S., to include wetlands, have been delineated and surveyed and are accurately depicted on the plat signed by the Corps Regulatory Official identified below on . Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ? There are no waters of the U.S., to include wetlands, present on the above described property which are subject to the permit requirements of Section 404 of the Clean Water Act (33 USC 1344). Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ? The property is located in one of the 20 Coastal Counties subject to regulation under the Coastal Area Management Act (CAMA). You should contact the Division of Coastal Management in Washington, NC, at (252) 946-6481 to determine their requirements. Basis of Jurisdictional Determination: The project site contains an unnamed tributary to , and adjacent wetlands, which flow into , a tributary to the River, a navigable waterway. Placement of dredged or fill material within waters of the US and/or wetlands without a Department of the Army permit may constitute a violation of Section 301 of the Clean Water Act (33 USC § 1311). If you have any questions regarding this determination and/or the Corps regulatory program, please contact Todd Tugwell at telephone (919) 876-8441, ext 26. Additional Remarks: Corps Regulatory Official Date: 12/27/04 Expiration Date: 12/27/09 FOR OFFICE USE ONLY: • A plat or sketch of the property and the wetland data form(s) must be attached to the file copy of this form. • A copy of the "Notification Of Administrative Appeal Options And Process And Request For Appeal" form must be transmitted with the property owner/agent copy of this form. • If the property contains isolated wetlands/waters, please indicate in "Remarks" section and attach the "Isolated Determination Information Sheet" to the file copy of this form Page 2 of 2 .: s ? ?, ? 'r• ,' tip a Er .? ?? at ? r ` rr dr ? F. ? y.? " i 3 ? . '' ? '?a ? i ;i 4 t?10TIFICATION OF ' AbMINISTRATIVE'APPEAI? OPTIONS` AND PROCESS AND REQUEST FOR APPEAL'; " ?' - Glenaire Retirement Community File Number: 200520164 Date: 12/27/04 At tached is: See Section below INITIAL PROFFERED PERMIT (Standard Permit or Letter of A permission) PROFFERED PERMIT (Standard Permit or Letter of permission) B PERMIT DENIAL C APPROVED JURISDICTIONAL DETERMINATION D PRELIMINARY JURISDICTIONAL DETERMINATION E SECTION I - The following identifies your rights and options regarding an administrative appeal of the above decision. Additional information spay be found at littp://xvww.usace.arniy.mil/inct/functions/cw/cecwo/red or Corps regulations at 33 CFR Part 331. A: INITIAL PROFFERED PERMIT: You may accept or object to the permit. • ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for final authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the permit. • OBJECT: If you object to the permit (Standard or LOP) because of certain terms and conditions therein, you may request that the permit be modified accordingly. You must complete Section II of this form and return the form to the district engineer. Your objections must be received by the district engineer within 60 days of the date of this notice, or you will forfeit your right to appeal the permit in the future. Upon receipt of your letter, the district engineer will evaluate your objections and may: (a) modify the permit to address all of your concerns, (b) modify the permit to address some of your objections, or (c) not modify the permit having determined that the permit should be issued as previously written. After evaluating your objections, the district engineer will send you a proffered permit for your reconsideration, as indicated in Section B below. B: PROFFERED PERMIT: You may accept or appeal the permit • ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for final authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the permit. • APPEAL: If you choose to decline the proffered permit (Standard or LOP) because of certain terms and conditions therein, you may appeal the declined permit under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending Me form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. C: PERMIT DENIAL: You may appeal the denial of a permit under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or provide new information. • ACCEPT: You do not need to notify the Corps to accept an approved JD. 'Failure to notify the Corps within 60 days of the date of this notice, means that you accept the approved JD in its entirety, and waive all rights to appeal the approved JD. ,• APPEAL: If you disagree with the approved JD, you may appeal the approved JD under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. E: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respond to the Corps regarding the preliminary JD. The Preliminary JD is not appealable. If you wish, you may request an approved g JD (which may be appealed), by contacting the Corps district for further instruction. Also you may provide new infonnation for further consideration by the Corps to reevaluate the JD. SECTION II - REQUEST FOR APPEAL or OBJECTIONS TO AN INITIAL PROFFERED PERMIT REASONS FOR APPEAL OR OBJECTIONS: (Describe your reasons for appealing the decision or your objections to an initial proffered permit in clear concise statements. You may attach additional information to this form to clarify where your reasons or objections are addressed in the administrative record.) ADDITIONAL INFORMATION: The appeal is limited to a review of the administrative record, the Corps memorandum for the record of the appeal conference or meeting, and any supplemental information that the review officer has detennined is needed to clarify the administrative record. Neither the appellant nor the Corps may add new information or analyses to the record. However, you may provide additional information to clarify the location of information that is already in the administrative record. POINT OF CONTACT FOR QUESTIONS OR INFORMATION: If you have questions regarding this decision If you only have questions regarding the appeal process you and/or the appeal process you may contact: may also contact: Todd Tugwell Mr. Arthur Middleton, Administrative Appeal Review Raleigh Regulatory Field Office Officer US Army Corps of Engineers CESAD-ET-CO-R 6508 Falls of the Neuse Road, Suite 120 U.S. Army Corps of Engineers, South Atlantic Division Raleigh, North Carolina 27615 60 Forsyth Street, Room 9M15 Atlanta, Georgia 30303-8801 RIGHT OF ENTRY: Your signature below grants the right of entry to Corps of Engineers persormel, and any government consultants, to conduct investigations of the project site during the course of the appeal process. You will be provided a 15 day notice of any site investigation, and will have the opportunity to participate in all site investigations. Date: Telephone number: Si-nature of appellant or agent. DIVISION ENGINEER: Commander U.S. Army Engineer Division, South Atlantic 60 Forsyth Street, Room 9M15 Atlanta, Georgia 30303-3490 =!:49MuLKEY ENGINEERS & CONSULTANTS PO Box 331 27 RALEIGH, NC 27636 PHONE: 919-B51-1912 FAx: 919-B51-191B LETTER OF TRANSMITTAL To: Cynthia Van Der Wiele, PhD Environmental Engineer II 401 Oversight & Express Permits Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 Date: March 23, 2005 ** HAND DELIVER ** Re: Glenaire Retirement Facility Cary, North Carolina Job No.: 2004197.00 I am sending you the following item(s): COPIES DATE NO. DESCRIPTION 3 Bioretention Site Plans w/ Landscaping Plans 1 BMP worksheet 1 Executed Operations & Maintenance Agreement 1 Bioretention Calculations Package These are transmitted as checked below: ® As requested ? For your use ® For approval ? For Signatures ? For review and comment ? Remarks: Per our conversation on March 16, 2005 1 have provided the needed information for the review of the bioretention pond for Glenaire. Please let me know if you have any questions, comments, or concerns. Thank you for your time and consideration. Copy to: Signed: //4/71zt Warren Sugg, El r? @Fod[ Q NW G 3 7nn5 . A - -,V ER'. QUALITY 14= `, AND STOWYATER BRANCH I M U LK Ems' ENGINEERS & CONSULTANTS PO Box 331 27 RALEIGH, NC 27636 PHONE: 919-B51-1912 FAx: 919-B51-1918 LETTER OF TRANSMITTAL To: Sammual Aghimien Date: April 4, 2005 401 Oversight & Express Permits Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 ** HAND DELIVER ** Re: Glenaire Retirement Facility Cary, North Carolina Job No.: 2004197.00 am sending you the following item(s): COPIES DATE NO. DESCRIPTION 1 Bioretention Draw-down Calcs with Precip. Rate These are transmitted as checked below: ® As requested ® For approval ? For review and comment Remarks: Per our conversation on April 1, 2005 1 have provided the needed information for the review of the bioretention pond for Glenaire. Please let me know if you have any questions, commen s, or concerns. Thank you for your time and consideration. Copy to: Signed: Warren Sugg, EI [7i, F ? For your use ? For Signatures f- P 7 .' SEDCAD 4 for Windows Glenaire Bioretention Warren M. Sugg, EI Mulkey Engineers & Consultants 6750 Tryon Road Cary, NC 27511 Phone: 851-1912 Filename: Printed 04-01-2005 SEDCAD 4 for Windows r-.;,ht 1 oop D-i. 1 Qrhuroh Genera/ Information Storm Information; Storm Type: NRCS Type II Design Storm: 10 yr - 24 hr Rainfall Depth: 5.380 inches Filename: Printed 04-01-2005 SEDCAD 4 for Windows r--inks l oop D-i. 1 Ghw?V. Structure Networking; Type Stru (Flows Stru Musk. K Musk. X Description # into) # (hrs) Pond ! #1 ==> End 0.000 0.000 #1 Pond Filename: Printed 04-01-2005 SEDCAD 4 for Windows 4 Structure Summary; Immediate Total Total Contributing Contributing Peak Runoff Area Area Discharge Volume (ac) (ac) (cfs) (ac-ft) In 3.86 0.20 #1 0.560 0.560 Out 3.69 0.20 Filename: Printed 04-01-2005 SEDCAD 4 for Windows Cnn...{nhf i0an P-12 I Gh...Oh 5 Structure Detail., Pond Inputs: Initial Pool Elev: 465.51 Initial Pool: 0.00 ac-ft Perforated Riser Riser Barrel Number of Riser Height Barrel Barrel Slope Diameter (ft) Diameter Length (ft) (%) Manning's n Spillway Elev Holes per (in) (in) Elev 48.00 5.59 ! 8.00 14.00 1.001 0.0130 466.01 2 Pond Results: Peak Elevation: 466.47 Dewater Time: 0.50 days Dewatering time is calculated from peak stage to lowest spillway Elevation-Capacity-Discharge Table Area Capacity Discharge Dewater Elevation Time (ac) (ac-ft) (cfs) (hrs) 465.50 0.007 0.000 0.000 465.51 0.007 0.000 0.084 4.90 466.00 0.015 0.005 0.594 4.70 466.01 0.015 0.006 0.600 Spillway #1 466.47 0.021 0.014 3.686 0.20 Peak Stage 466.50 0.021 - 0.014 ---- 3.874 -- 467.00 0.028 0.027 4.027 Detailed Discharge Table Combined Total Elevation Perf. Riser (cfs) Discharge (cfs) 465.50 4.00>0.000 0.000 465.51 0.084 0.084 466.00 0.594 0.594 466.01 0.600 0.600 466.50 3.874 3.874 Filename: Printed 04-01-2005 SEDCAD 4 for Windows r ,ooa 13-1.1 Combined Total Elevation Perf. Riser (cfs) Discharge (cfs) 467.00 4.027 4.027 Filename: Printed 04-01-2005 SEDCAD 4 for Windows r ti? ?ooa o? ei? I c,.h, t, Subwatershed Hydrology Detail: Time of Peak Runoff Stru SWS SWS Area Musk K Curve Conc Musk X UHS Discharge Volume # # (ac) (hrs) Number (hrs) (cfs) (ac-ft) #1 1 0.560 0.083 0.000 0.000 91.000 TR55 3.86 0.203 0.560 3.86 0.203 Filename: Printed 04-01-2005 Inflow/Outflow Hydrographs for Structure # 1 4 Peak Flow in to Structure: 3.86 cfs at 12.0 hrs 3? .............. ......................:............I........... Peak Flow out of Structure: v 3.69 cfs at 12.0 hrs "' 2?? ........... :. .........: ......................... ............ W U 1 .............. :-........................:........... 0 - ---- 0 10 20 30 40 50 Time (hrs) Inflow Outflow January 27, 2005 John Dorney Division of Water Quality 401 Oversight/ Express Review T 2321 Crabtree Boulevard, Suite 25 Raleigh, North Carolina 27604 Re: DWQ Project # 04-1854 Glenaire Retirement Community Cary, North Carolina Wake County Mr. Dorney, M0 1 L K F ENGINEERS & CONSULTANTS Please find our responses to your letter dated January 7, 2005 concerning the Neuse Buffer variance request for the Glenaire Retirement Community. In order to aid in the review of the material, we have incorporated all the previous modifications in addition to the below revisions into a complete application package. 1. The wetlands impact map can be found in Attachment B, map B-2. 2. We have revised the nitrogen loading calculations in Part 3, Section 6. Documentation for the calculations can be found in Attachment D. 3. We have incorporated a bioretention area into the courtyard adjacent to the proposed Wellness Center Expansion. The area has been sized to treat all the stormwater from the proposed expansion in addition to a portion of the existing stormwater collected from the existing building. Thank you for you time and consideration. Please contact me at 858-1888 if you have any additional questions or comments. Sincerely, L lichael D. Allen, P.E. Project Manager Cc: Dr. Sam Stone, Glenaire Retirement Community fi@t;:?k@g L/ ? JA D N 2 8 ZOpS I ?`1 WA?RrQU L/ RM?CN MULKEY. INC. 6750 TRYoN ROAD CARY. INC 2751 1 PO BOX 33127 RALEIGH, NC 27636 PH: 919-051-1912 FAX: 919-©51-1910 WWW.MULKEYINC.COM I OFFICE USE ONLY: Date Received Request # State of North Carolina Department of Environment and Natural Resources Division of Water Quality Variance Request Form ' Neuse River Basin: Nutrient Sensitive Waters Management Strategy Protection and Maintenance of Riparian Areas Rule (15A NCAC.0233) ' NOTE: This form may be photocopied for use as an original. Part 1: General Information 1. Applicant's name (the corporation, individual, etc. who owns the project): ' Glenaire, Inc. 2. Print Owner/Signing Official (person legally responsible for the facility and its compliance) Name: Dr. Sam Stone Title: Director Street address: 4000 Glenaire Circle City, State, Zip: Cary. North Carolina 27511-3802 ' Telephone: (919) 460-8095 Fax: (919) 467-0844 ' 3. Project Name (Subdivision, facility, or establishment name - consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Glenaire Phase IV ' 4. Location of Facility Street address: 4000 Glenaire Circle City, State, Zip: Cary, North Carolina 27511-3802 ' County: Wake Latitude/longitude: 2,063,858 : 737,567 5. Directions to facility from nearest major intersection (Also attach a map): Facility occupies the northeast corner of the intersection of W. Cornwall & Kildaire Farm Rd. 6. Contact person who can answer questions about the facility: Name: Michael Allen, PE - Mulkey Engineers and Consultants Inc. Telephone: (919) 858-1888 Fax: (919) 851-1918 Email: mallen mulkeyinc.com 7. Requested Environmental Management Commission Hearing Date: As soon as feasible. Version 1: September 1998 1 Part 2: Demonstration of Need for a Variance NOTE: The variance provision of the Neuse Riparian Area Rule allows the Environmental Management Commission to grant a variance to an affected party when the following conditions apply on a given project: (a) practical difficulties or hardships would result from strict application of the rule: (b) such difficulties or hardships result from conditions which are peculiar to the property involved, and (c) the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. This part of the application is to explain how the project meets criteria (a) and (b). 1. Attach a detailed description (2-3 pages) explaining the following: (ATTACHMENT A) • The practical difficulties or hardships that would result from strict application of the Rule. • How these difficulties or hardships result from conditions that are unique to the property involved. • Why reconfiguring and/or reducing the built-upon area to preserve a greater portion of the riparian area is not feasible on this project. If economic hardship is the major consideration, then include a specific explanation of the economic hardship and the proportion of the hardship to the entire value of the project. ' Part 3: Water Quality Protection NOTE: This part of the application is to explain how the project meets criterion (c): the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if I ' the variance were granted. I 1. Briefly summarize how water quality will be protected on this project. Also attach a detailed narrative (1-2 pages) describing the nonstructural and structural measures that will be used ' for protecting water quality and reducing nitrogen inputs to surface water. (ATTACHMENT B) Currently, two pipes outlet stormwater collected from the existing parking lots and loading dock and release the stormwater into the tributary. Due to the limited open space in the ' vicinity of the stormwater inlets, no treatment mechanisms are possible within the loading dock and parking areas. The existing outlets have eroded a four foot deep gullet' leading to the tributary. The footprint of the proposed building requires these pipes to be extended. The proposed project will combine these pipes and extend them to a new outlet point. Due to the limited area, no treatment of this stormwater is possible. However, the erosion in this area will be eliminated by controlling the velocity with a series of drop manholes and protecting the outlet with rip rap. A bioretention pond has been proposed just west of the proposed expansion to treat the stormwater from the new expansion area and also treat a portion of the existing roofline surrounding the bioretention area. 2. What is the total project area in acres? 0.40 acres 3. Which of the following permits/approvals will be required for this project? N/A CAMA Major N/A Sediment/Erosion Control N/A 401 Certification/404 Permit Variance Request Form, page 2 Version 1: September 1998 Part 3: Water Quality Protection, continued 4. Complete the following information for each drainage basin. If there are more than two drainage basins in the project, attach an additional sheet with the information for each basin provided in the same format as below. (ATTACHMENT C) Project Information Drainage Basin 1 Drainage Basin 2 Receiving stream name Unnamed tributary to MacGregor Downs Lake Receiving stream class' WS-III NSW Drainage basin area (total) 92 acres Existing impervious area3 (total) 46 acres Proposed impervious area3 (total) 0.22 acres Impervious area3 (on-site) 44.4% Impervious area3 (total) 50.0% Impervious area3 Drainage basin 1 Drainage basin 2 On-site buildings 8.99 acres On-site streets 2.88 acres On-site parking 1.75 acres On-site sidewalks 0.21 acres Other on-site 0 Total on-site 13.83 acres Off-site 32.17 acres Total 46.0 acres ' The intemet site for this information is http://h2o.enr.state.nc.us/strmclass/a/pha/neu.html 2 Total means on-site plus off-site area that drains through the project. 3 Impervious area is defined as the built-upon area including, but not limited to, buildings, parking areas, sidewalks, gravel areas, etc. 5. How was the off-site impervious area listed above derived? The off-site impervious area was estimated based on visual inspection of the drainage area. The drainage area includes the Kmart/Food Lion shopping center at the corner of Kildaire Farm Road and Maynard Road. 6. What will be the annual nitrogen load contributed by this site after development in pounds per acre per year without structural BMPs (stormwater pond, wetland, infiltration basin, etc)? Attach a detailed plan for all proposed structural stormwater BMPs. (ATTACHMENT D) Drainage basin Size of drainage basin ac Post-development nitrogen loading rate without BMPs` Ibs/aCIA) BMP nitrogen removal efficiency, % Final nitrogen loading rate (Ibs/ac/yr) Final nitrogen loading from drainage basin Ibs 1 0.56 17.34 35% 9.41 2.18 2 3 4 5 Totals 0.56 17.34 35% 9.41 2.18 4 Attach calculations and references. 5 Attach calculations and references. Variance Request Form, page 3 Version 1: September 1998 Part 3: Water Quality Protection, continued 7. The applicable supplemental form(s) listed below must be attached for each BMP specified: Form SWU-102 Wet Detention Basin Supplement Form SWU-103 Infiltration Basin Supplement Form SWU-105 Curb Outlet System Supplement Form SWU-106 Off-Site System Supplement Form SWU-107 Underground Infiltration Trench Supplement Form SWU-109 Innovative BMPs Supplement Part 4: Submittal Checklist A complete appplication submittal consists of the following components. Incomplete submittals will be returned to the applicant. The complete variance request submittal must be received 90 days prior to the EMC meeting at which you wish the request to be heard. Initial below to indicate that the necessary information has been provided. Applicant's Initi Is vfl NA Item • Original and two copies of the Variance Request Form and the attachments listed below. • A vicinity map of the project (see Part 1, Item 5) • Narrative demonstration of the need for a variance (see Part 2) • A detailed narrative description of stormwater treatment/management (see Part 3, Item 1) • Calculations supporting nitrogen loading estimates (see Part 3, Item 6) • Calculations and references supporting nitrogen removal from proposed BMPs (see Part 3, Item 6) • Location and details for all proposed structural stormwater BMPs (see Part 3, Item 6) • Three copies of the applicable Supplement Form(s) for each BMP and/or narrative for each innovative BMP (see Part 3, Item 7) • Three copies of plans and specifications, including: 0 Development/Project name 0 Engineer and firm 0 Legend and north arrow 0 Scale (1" = 100' or 1" = 50' is preferred) 0 Revision number & date 0 Mean high water line (if applicable) 0 Dimensioned property/project boundary 0 Location map with named streets or NC State Road numbers 0 Original contours, proposed contours, spot elevations, finished floor elevations 0 Details of roads, parking, cul-de-sacs, sidewalks, and curb and gutter 0 Footprint of any proposed buildings or other structures 0 Wetlands delineated, or a note on plans that none exist 0 Existing drainage (including off-site), drainage easements, pipe sizes, runoff calculations 0 Drainage basins delineated 0 Perennial and intermittent streams, ponds, lakes, rivers and estuaries 0 Location of forest vegetation along the streams, ponds, lakes, rivers and estuaries ' Variance Request Form, page 4 Version 1: September 1998 K-e Part 5: Deed Restrictions By your signature in Part 7 of this application, you certify that all structural stormwater best management practices required by this variance shall be located in recorded stormwater easements, that the easements will run with the land, that the easements cannot be changed or deleted without concurrence from the State, and that the easements will be recorded prior to the sale of any lot. Part 6: Agent Authorization If you wish to designate submittal authority to another individual or firm so that they may provide information on your behalf, please complete this section: Designated agent (individual or firm): Michael Allen PE - Mulkey Engineers and Consultants, Inc Mailing address: Post Office Box 33127 City, State, Zip: Raleigh, NC 27636-3127 Telephone: (919) 858-1888 Fax: (919) 851-1918 Email: mallen(a)mulkeyinc.com Part 7: Applicant's Certification I, Dr. Sam Stone (print or type name of person listed in Part I, Item 2), certify that the information included on this permit application form is correct, that the project will be constructed in conformance with the approved plans and that the deed restrictions in accordance with Part 5 of this form will be recorded with all required permit conditions. Signature: Akµ e j 14 . A? 4=xec +v?? v?c:i?? Date: Title: Director Variance Request Form, page 5 Version 1: September 1998 ?-j W I 77-T C> 0 N NOT TO SCALE SHEET N0. D VICINITY MAP 40-MUI KE-Y ENGINEERS & CON5ULTANTS Box 0 INC GLENAIRE RALEIOM. N.C. 27636 791 X co , . )851 2 9 19 (91 9) B51-1 91 B (FAX) WWW.MULKEYINC.COM J 1 a L- ------- U L KE Y ENGINEERS & CONSULTANTS ATTACHMENT A MULKEY INC. 6750 TRYON ROAD CARY. NC 2751 1 PC BOX 33127 RALEIGH, NC 27636 PH: 919.851.1912 FAX: 919-851-191 B WWW.MULKEYINC.COM ?lr A Continuinb Care Retirement Community An Affiliate of The Presbyterian Homes, Inc. Variance Request Form -- Part 2: Demonstration of Need for a Variance Glenaire is a nonprofit, church-related continuing care retirement community which provides services and accommodations for 380 older adults whose needs and abilities range from independent through levels of increasing dependence, including skilled nursing. When Glenaire was under construction prior to opening in 1993, the existing water quality rules allowed the placement of segments of the original buildings within what today are considered zones which should buffer the multiple branches merging eventually on site into an "intermittent stream." The only concern expressed in 1991 by Town erosion control officials was for areas that appeared to have wetlands characteristics. Glenaire has respected those concerns through erosion control measures including riprap and enhancement of vegetation especially in proximity to the storm drainage channels. Through the years of operations, the exercise program has grown impressively in active participation across all levels (notably, 125+ of the 260 independent residents) and in the variety of programs offered. For many of the programs, there is only one small room (600 sq.ft.) for both fixed equipment and aerobic classes. The need and demand exists for expanding the space and range of programs to improve this important aspect -- active, daily exercise -- of the available services. The plan is to construct a two-story addition to the Community Center adjacent to the existing exercise room, making it possible to add a separate aerobic and physical therapy space and a much needed aquatic center with exercise pool (30'x50'x4'), Jacuzzi, showers, and lockers. Having such a facility will make it possible for Glenaire to open more of its programs and services to older adults in the community who are not Glenaire residents. An exercise pool adds a dimension to the wellness and fitness programs which cannot be attained otherwise. On accompanying pages, the benefits are described more fully. The location of the building addition is critical to the overall plan. Granted, it encroaches ' on the buffered areas of the intermittent stream, but the location is truly the only but also the ideal place on the entire campus. The location is central within the main building complex, squarely between the independent and the assisted living and skilled nursing ' sections, physically connected to both. Also the location is directly opposite at ground level the existing exercise room and at the next level the kitchen which will support the proposed cafe addition. The social, physical, and overall health benefits for the older adults served by this addition tip the scale in favor of granting the requested variance. /C.µF.DITITTO _ ONTINDING ARE 4000 Glenaire Circle is Cary, North Carolina 27511-3884 ??' OQUAL ?.`.. 919/460-8095 k5 800!225-9573 - Fax: 919/467-0844 ' GLENAIRE ' Case Statement for Aquatic and Wellness Center within Glenaire What justifies having a swimming pool and lots of exercise equipment in a retirement community? There must be a good answer for this question because there definitely is a trend ' toward including such state-of-the-art facilities and programs, especially within continuing care retirement communities (CCRCs). ' Some readily suspect that the main reason revolves around adding more spice to the marketing program. Doubtless this is a factor. Being competitive in terms of facilities, services, and a host of other factors is vital to the success and survival of any CCRC. But marketing, ultimately, is about being responsive to interests, needs, and demands future residents (that is, the future clients and customers). Having a good aquatic and wellness program has become one of those prized components of a desirable and desired CCRC. There is more to the answer, however, much more that builds on solid research and the responsibility of a first rate CCRC to help residents grow as they discover how to be live to the fullest a long and rewarding phase of life. * Being aware of some of the research findings and benefits ( ) from a comprehensive wellness program is a good place to begin: " Recent gerontological research has shown that many of the commonly accepted biomarkers of age (low vitality, lost muscle mass, decreased ' strength, reduced bone density, increased body fat, high blood pressure, etc.) [are] directly attributed to inactivity. "Advance technology has essentially engineered activity out of our lifestyle and we have become a very sedentary society. Even the 1886 Surgeon general's Report stated emphatically: "'Inactivity is harmful to your health.' "Now the good news! Contemporary research clearly shows that regardless of age, those who participate in regular moderate exercise/activity find that many of the commonly accepted negative manifestations of aging not only can be prevented, but even reversed. "With more and more consumers demanding new strategies for healing coupled with health care providers being forced to curb spiraling costs, a new approach to health care is emerging -- it's called wellness. Wellness is a pro-active prevention model as opposed to the re-active disease model that has greatly influenced Western health care during the past century.... "Retirement housing providers who have chosen to make wellness an integral part of their business are enjoying many of the... benefits[, such as,] wellness compliments the health continuum, wellness raises the function level of participants, [and] wellness enhances health span and quality of life." As a total concept and approach, a wellness facility and program consists of an aquatic center (an exercise pool and Jacuzzi), aerobic exercise, and fitness and weight training available both for those seeking to maintain healthy bodies and those in therapy or recovery. The pool contributes the soothing advantages of buoyancy. What is proposed for Glenaire? Glenaire has the starting points toward a good wellness program. There is a popular teacher and trainer with diverse abilities who has a faithful following of one-third of the independent residents and the participation of core of able and willing residents in assisted living and nursing. Exercise space is limited to one equipped room and use of several multi-purpose rooms. The following steps have been recommended, found feasible, and approved for development by the Board of Trustees: 1. Construct adjacent to the lower level of the existing Community Center, mid-way between the independent and healthcare section and connected to both, an aquatic center consisting of an exercise pool (30' wide, 50' long, and 4' deep), a Jacuzzi, and dressing rooms. 2. At the same level, convert the existing exercise room into a fitness and weight training facility for class participation and guided, individual use. 3. Adjacent to the preceding, construct an aerobic exercise and physical therapy space for scheduled classes and individual therapy sessions. 4. Add the equivalent of one more teacher and trainer to complement and extend the capabilities of the instruction already in place. 5. Seek broader participation by Glenaire residents, future residents, and interested older adults from the surrounding communities. Total estimated construction cost: $ 1,435,755 Source: Age Dynamics, John Rude & Associates, info@agedynamics.com F 1 Site Constraints 1!) (J E ENGINEERS & CONSULTANTS ' The location of the proposed Wellness Center Expansion is shown in Attachment A-1 along with the centerline of the existing creek. The expansion will be located on the northern side of Building D. The main access to the complex is located at #4. Buildings A, B, and C are apartment buildings. Buildings E and F are the nursing areas of the complex. Building D contains the common area for both the dependent and independent residents of the facility. It contains the dining room, library, post office, beauty salon, music rooms, etc. Locating the Wellness Center Expansion in this area is essential for maintaining its accessibility to all the residents. All the residents with the exception of those in the detached townhomes can reach the proposed Wellness Center without being exposed to the outside elements and without traversing stairs. To the south of Building D are the existing loading docks (#1) which serve the dining room/kitchen and provide supplies and equipment to the entire facility. The Wellness Center Expansion could not be located in this area due to the inability to relocate these docks elsewhere on the property. In ' addition, existing parking lots (#2) for the residents and staff of the nursing areas could not be relocated elsewhere on the site to accommodate the expansion. An existing stormwater retention area is located in the vicinity of #3. This retention area is primarily for quantity control of the ' collected stormwater; however, there is some secondary treatment of the stormwater occurring in this area. The site is surrounded on the north, west, and south by existing residential subdivisions. The Town of Cary has required Glenaire to maintain 60 foot landscape buffers off of the northern and western property lines to shield the facility from the neighborhoods. This buffer also limits the expansion ' ability of the facility. The eastern part of the property contains townhomes. If the Wellness Center were to be located in this area, if sufficient area were available, would make its accessibility to the dependent care residents extremely difficult. MULKEY INC. 6750 TRYON ROAD CARY, NC 27511 PC Box 33127 RALEIGH, NC 27636 PH: 919-851-1912 FAx: 919-851-1918 WWW.MULKEYINC.COM g ! 4. Alk 6P r: r # * ' -.a-.IrrL IL r?'„CAS IVA- '^ #d -?4, -.4 A c i 47 L%__ fL Zi? "? ' s ¦ .r1 AiL 10 M U LK EY Attachment A-1 ENGINEERS & CONSULTANTS 110 11 1 ENGINEERS & CONSULTANTS ATTACHMENT B MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO BOX 331 27 RALEIGH, NC 27636 PH: 91 9-851.1 91 2 FAX: 91 9-051.191 0 WWW.MULKEYINC.COM Water Quality Protection 1© n 9w_® ENGINEERS & CONSULTANTS Attachment B-1 outlines the footprint of the proposed Wellness Center Expansion and its impact on Zone 1 and Zone 2 of the Neuse Buffer. In addition to the Neuse Buffer impacts the stream impacts created by the construction of the access path to the building expansion are also outlined. For an overall view of the facility, please refer back to Attachment A-1. The proposed expansion will impact a total of 10,093 SF of Neuse River Buffers with 6,414 SF of impacts occurring in Zone 1 (the inner twenty feet) and 3,679 SF of impacts occurring in Zone 2. Stream impacts total 32 LF. Calculations outlining the sizing of the culverts for the stream crossings are included. Attachment B-2 outlines wetland impacts of the proposed Wellness Center Expansion. These impacts total 2,285 SF of permanent impacts. A confirmation letter from the U.S. Corps of Engineers accompanies the impact map. I Existing Water Quality Controls As shown in Attachment B-3, two existing pipes discharge stormwater into the existing creek. One 18-inch pipe collects stormwater from the existing loading dock area, transports it under the building and outlets. Another 18-inch pipe collects stormwater from the existing parking lot, transports the water under the nursing building and discharges into the creek. These combined outlets have eroded a four foot deep gulley at the discharge area. There are no velocity controls at the outlet pipes. However, downstream approximately seventy feet is an existing outlet structure which controls the quantity of the stormwater released downstream. This area reduces the velocity of the stormwater and provides an area of secondary treatment. Proposed Water Quality Controls The proposed stormwater collection system will combine the flows from the two stormwater pipes and transport the collected stormwater to a discharge area protected by a poured concrete retaining wall. The proposed junction boxes will drop the stormwater vertically three to four feet to reduce the slope on the pipes and begin to slow the stormwater. The discharge area will be protected with Class 1 rip rap to prevent erosion and assist in dissipating the velocity of the stormwater. Currently, the outlet pipes discharge at a ninety degree angle to the existing creek. The proposed discharge location will allow the stormwater to enter the stream at a much improved angle. The stormwater outlet structure located downstream will not be modified. A bioretention pond has been proposed just west of the proposed expansion to treat the stormwater from the new expansion area and also will treat a portion of the existing roofline surrounding the bioretention. See Attachment D for details regarding the proposed biorentention pond. MULKEY INC. 6750 TRYDN ROAD CARY, NC 27511 PO Box 331 27 RALEIGH, NC 27636 PH: 91 9.651.191 2 FAX: 919'651-1918 WWW.MULKEYINC.COM 47 K \ r I? _. - (rr" 1 _ y ?1 4 r _.1 j A tl ? ?I i`v -1 17 :5 l i 16 LF STREAM \ 4r Rcr / y' '. IMPACT ''cuwERr ,vet-ttEADw TEMPORARYONSTRUCTION ACCESS TO BE RETAINED AS---- UNPAVED EMERGENCY EGRESS . _ ? `?` ?,T\ \ i `• NE 2 NEUSE BUFFER--? ,', ZONE 1 NEUSE BUFFER = 16 LF STREAM I+: '148' RCP, c IMPACT /CULVERT, nus CREEK I1 ?• ? CENTERLINE.' l l FOOTPRlNT.OF PROPOSED ! \ - _ WELLNESS CENTER EXPANSION -? -- `?.• ------------------ ZONE 1 NEUSE BUFFER ZONE 2 NEUSE BUFFER, - '-- -- 1 i -t r ?_' J EXISTING ACCESS PAT)i u ?J ! AM IMPACTS: 32 LF 7(PE C MANEN- E 1 NEUSE BUFFER IMPACTS: 6,435 SF ZONE 2 NEUSE BUFFER IMPACTS: 4,279 SF SF EXISTING PATH ZONE 1 IMPACTS: -21 SF EXISTING PATH ZONE 2 IMPACTS: - NET ZONE 1 NEUSE BUFFER IMPACTS. 6,414 SF NET ZONE 2 NEUSE BUFFER IMPAC S: 3,679 SF SCALE: I"= 40' 'Do "a NEUSE BUFFER IMPACTS 4--mui_KE:-)r WELLNESS CENTER EXPANSION CN°'"eER°b`°N6ULTANT. B-1 ?o so><aa1a? GLENAIRE ?c16r1, N. U. ,a7676y 19191 691.191 a Ivl vl 661.1 v16 IPA1V 4*-MULKEY CALCULATION SHEET PAGE ? OF ENGINEERG S CONSULTANTS CLIENT l L,"L l-?F SUBJECT 121 „FEPr L?F - (1,0',1 Prepared By FA 5 Date PROJECT No.?=f Reviewed By Date y CVLqE peal+IF?E ?c_Q = 25. Z/ G o. 5 ? 1 - r = ?? F-> = 1 Co (f o1.2Z??0?3? 73= 21Z. OS tit USy Q5 ,11 12-P o? ?Z? ?ali?GP . of ? CL;? Lvice71- 2 i7= ((? ? 3?= '?3.?=?,r.? vSE• '?? ?cA o2 CZ? 3C?t?cP Mm m m m m mm mm M M M M M Mae 11 ? 1 ? p m ?A A l e O O ?1?111?1?/r1 1 1 r ?. j? j1 11',1'x_ ?y r !)r ?11 4 IT V 0 8 -11 Design\EXTOPO.dgn 06/03/2004 03:31:13 PH ,Y 1 _, ?rr rrr I ,: r p ?- Z rn s# N m 3- V n ?y 1- ?- L? r l `t L I I I D, F L /', 11 i I r' ` r( I _--- PERMANE -WETLAND_. I r - _ - _--- _ _-- -- IMPACTS: _ ----_r \\ T \_ TEMPORARY CONSTRUCTION _ ACCESS TO BEED AS-,_ UNPAVE ERGENCY EG RESS TEMPORARY WETLAN MPACTS -c1O OM PROPOSED.FOo 1071 TO BE REVFGiTATED UPON WETLANDS -COMPLETION. \ `\1_ CREEK - ??`? _ - -- CENTERLINE.''. ' ` 5. ?y ' VVELLNESS CENTER EXPANSION- - - - ,?• ! .r FOOTPRINT-OF-PROPOSED Y [If= EXISTING ACCESS , PATH WETLANDS yr, PERMANENT WETLAND IMPACTS: 2,285 SF TEMPORARY ?=P WETLAND IMPACTS (TO BE REVEGITATED UPON COMPLETION): 1,121 SF - %? SCALE: 1" = 40' r SFiE NO. WETLAND IMPACTS 4--MUL_lCE-)r WELLNESS CENTER EXPANSION ENDINCCRH6CONHUITANTH N.r. PRO .LLCBICeX M,7 2 127 B-2 77671 Ivv?as•ivialrAw GLENAI RE .UL7 WWW.II LICCYINC.COM i --:y U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT r Action ID: 200520164 County: Wake 11 1 1 I NOTIFICATION OF JURISDICTIONAL DETERAZINATION Property Owner: Glenaire Retirement Community Attn: Samuel Al. Stone Mailing Address: 4000 Glenaire Circle Cary, North Carolina 27511 Authorized Agent: Mulkey Engineers & Consultants Attn: Cindy Carr Mailing Address: Post Office Box 33127 Raleigh, North Carolina 27636 L 4> Telephone No.: (919) 460-8095 Telephone No.: (919) 851-1912 Proper?v / Project Area Description: . Size (acres): 25 USGS Quad: Cary River Basin: Neuse Nearest Town: Cary Site Coordinates: 35.7761 °N 78.7859 °W HUC:' 03020201 Nearest Waterway: Swift Creek Location (road name/number, intersection, etc.): The property (Glenaire Retirement Community) is located west of Kildaire Farm Road, and north of Cornwall Road, in Cary, Wake County, North Carolina. Indicate Which of the Following Apply: ? Based on preliminary information, there may be waters of the U.S., to include wetlands, on the above described property. We strongly suggest you have this property inspected to determine the extent of Department of the Army (DA) jurisdiction. To be considered final, a jurisdictional determination must be verified by the Corps. This preliminary determination is not an appealable action under the Regulatory Program Administrative Appeal Process ( Reference 33 CFR Part 331). ? There are Navigable Waters of the United States within the above described property subject to the permit requirements of Section 10 of the Rivers and Harbors Act ind Section 404 of the Clean Water Act. Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ® There are waters of the U.S., to include wetlands, on the above described-property subject to the permit requirements of Section 404 of the Clean Water Act (CWA)(33 USC § 1344). Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ? We strongly suggest you have the waters of the U.S., to include wetlands, on your property delineated. Due to the size of your property and/or our present workload,.the Corps may not be able to accomplish this wetland delineation in a timely manner. For a more timely delireation, you may wish to obtain a consultant. To be considered final, any delineation must be verified by the Corps. ® The waters of the US., to include wetlands, on your property have been delineated'and the delineation has been verified by the Corps. We strongly suggest you have this delineation surveyed. Upon completion, this survey should be reviewed and verified by the Corps. Once verified, this survey will provide an accurate depiction of all areas subject to CWA jurisdiction on your property which, provided there is no change in the law or our published regulations, may be relied upon for a period not to exceed five years. Page 1 of 2 F-1 The waters of the U.S., to include wetlands have been delineated and surveyed and are accurately depicted on the plat signed by the Corps Regulatory Official identified below on . Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ? There are no waters of the U.S., to include wetlands, present on the above described property which are subject to the permit requirements of Section 404 of the Clean Water Act (33 USC 1344). Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ? The property is located in one of the 20 Coastal Counties subject to regulation under the Coastal Area Management Act (CAMA). You should contact the Division of Coastal Management in Washington, NC, at (252) 946-6481 to determine their requirements. Basis of Jurisdictional Determination: The project site contains an unnamed tributary to , and adjacent wetlands, which flow into , a tributary to the River, a navigable waterway. Placement of dredged or fill material within waters of the US and/or wetlands without a Department of the Army permit may constitute a violation of Section 301 of the Clean Water Act (33 USC § 1311). If you have any questions regarding this determination and/or the Corps regulatory program, please contact Todd Tugwell at telephone (919) 876-8441, ext 26. Additional Remarks: Corps Regulatory Offici Date: 12/27/04 Expiration Date: 12/27/09 FOR OFFICE USE ONLY: • A plat or sketch of the property and the wetland data form(s) must be attached to the file copy of this form. • A copy of the "Notification Of Administrative Appeal Options And Process And Request For Appeal" form must be transmitted with the property owner/agent copy of this form. • If the property contains isolated wetlands/waters, please indicate in "Remarks" section and attach the "Isolated Determination Information Sheet" to the file copy of this form 0 Page 2 of 2 0 ? r RO CESS'AND ; A licant: Glenaire Retirement Community File Number: 200520164 Date: 12/27/04 At tached is: See Section below INITIAL PROFFERED PERMIT (Standard Permit or Letter of permission) A PROFFERED PERMIT (Standard Permit or Letter of permission) B PERMIT DENIAL C APPROVED JURISDICTIONAL DETERMINATION D PRELIMINARY JURISDICTIONAL DETERMINATION E 'SECTION I -.:The following identifies your rights, and options regarding an admmistrattve-appeal, of the above `decision:- Additional information Tay be found at http://?vNvw_usace.army.mll/inet/fii_ncdons/ci_vlcecwo/reg o% Corps _regulations at 33`.CFR Part 331: A: INITIAL PROFFERED PERMIT: You may acceptor object to the permit. • ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for final authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the permit. • OBJECT: If you object to the permit (Standard or LOP) because of certain terms and conditions therein, you may request that the permit be modified accordingly. You must complete Section II of this form and return the form to the district engineer. Your objections must be received by the district engineer within 60 days of the date of this notice, or you will forfeit your right to appeal the permit in the future. Upon receipt of your letter, the district engineer will evaluate your objections and may: (a) modify the permit to address all of your concerns, (b) modify the permit to address some of your objections, or (c) not modify the permit having determined that the permit should be issued as previously written. After evaluating your objections, the district engineer will send you a proffered permit for your reconsideration, as indicated in Section B below. B: PROFFERED PERMIT: You may accept or appeal the permit • ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for final authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the permit. • APPEAL: If you choose to decline the proffered permit (Standard or LOP) because of certain terms and conditions therein, you may appeal the declined permit under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending fhe form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. C: PERMIT DENIAL: You may appeal the denial of a permit under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or provide new information. • ACCEPT: You do not need to notify the Corps to accept an approved JD. Failure to notify the Corps within 60 days of the date of this notice, means that you accept the approved JD in its entirety, and waive all rights to appeal the approved JD. • APPEAL: If you disagree with the approved JD, you may appeal the approved JD under the Corp" of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. E: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respona io the t-w N? regarding the preliminary JD. The Preliminary JD is not appealable. If you wish, you may request an approved JD (which may be appealed), by contacting the Corps district for further instruction. Also you may provide new information for further consideration by the Corps to reevaluate the JD. SECTION TI,- REQUEST, FOR APPEAL or OBJECTIONS TO:AN_ INITIAL PROFFERED.PERMIT REASONS FOR APPEAL OR OBJECTIONS: (Describe your reasons for appealing the decision or your objections to an initial proffered permit in clear concise statements. You may attach additional information to this form to clarify where your reasons or objections are addressed in the administrative record.) ADDITIONAL INFORMATION: The appeal is limited to a review of the administrative record, the Corps memorandum for the record of the appeal conference or meeting, and any supplemental information that the review officer has determined is needed to clarify the administrative record. Neither the appellant nor the Corps may add new information or analyses to the record. However, you may provide additional information to clarify the location of information that is already in the administrative record. POIrIT OF.1CONTACT,FOR. UESTIONS;ORINFORMATION: If you have questions regarding this decision If you only have questions regarding the appeal process you and/or the appeal process you may contact: may also Middleton, Administrative Appeal Review Todd Tugwell Raleigh Regulatory Field Office Officer US Army Corps of Engineers CESAD-ET-CO-R 6508 Falls of the Neuse Road, Suite 120 6 Forsyth Street, Room 9M15 South Atlantic Division Raleigh, North Carolina 27615 Atlanta, Georgia 30303-8801 RIGHT OF ENTRY: Your signature below grants the right of entry to Corps of Engineers personnel, and any government consultants, to conduct investigations of the project site during the course of the appeal process. You will be provided a 15 day notice of any site investigation, and will have the opportunity to participate in all site investigations. Date: Telephone number: Signature of appellant or agent. DIVISION ENGINEER: Commander U.S. Army Engineer Division, South Atlantic 60 Forsyth Street, Room 9M15 Atlanta, Georgia 30303-3490 0 0 0 0 r n CLASS 11 RIP RAP TO - POURED CONCRETE DRAINAGEWAY -? -' RETAINING WALL ` INV=457`50 - ' = - (APPROX. 2' HIGH) 5' ,INVERT., III=458.14 (2) , %c INVERT\ OUT=457.64 ' - -" 27'- 18" RCP @ 0.50° o ! -- - _EXISTING_.OUT_LET? INVERT IN =462.27 INVERT OUT=458.27 EXISTING OUTLET \ 3L---18" RCP 9-'-0.50% -- INVERT-IN=-467..67 1 INVERT_ OUT= 458.36---,L-- ? I ? r' R SCALE: 1"=20' WELLNESS CENTER EXPANSION GLENAIRE - O-M U LKEY SHEET NO. ENGINEERS & CONSULTANTS PO BOX 33127 B-? RALEIOH. N.C. 27636 (91-5113 51-191 2 (9191 BSi-1910 (FA7U WWW.MULKEYINC.COM M LJ L E: Y ENGINEERS & CONSULTANTS ATTACHMENT C MULKEY INC. 6750 TRYON ROAD GARY, NC 2751 1 PO BOX 331 27 RALEIGH, NC 27635 PH: 919.851.191 2 FAX: 919-851.1918 WWW.MULKEYINC.COM 1 07 0 49' 0.00• W 780 48' 0.00• W 780 47-10.00- 1 W Z ( (L?Iw 1 1 i. I ?e 4r . /l S s i J ??1 ?': • Ii 1 ?, ? 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B ' .? ? -. °, ,''• ' } • `' K- i _ ; . • _ / _?? i \ I ?L??e ?, ? _ , 07 0 49-10.00- W ' 078° 48-10.00- W utts- 4/ v.vv- w Name: CARY Location: 0350 45'36.99" N 0780 47'34.36" W Date: 11/1/2004 Scale: 1 inch equals 2000 feet r ?'y •`,` ''!? • I .?a ! ? ' 1 ? f +? ?`t` ?_??? ?. ;1 - ??..- ._ ,? ~? 't Yom----- --- 0 t j. 3t ILA va . 00 It- r ' r r?I r• ??44 '? • Ki'. ,, ''t` r j.?1 ,,?\ , Ae- ?~ • r ? -. ,rte...- ?'-- ? O ''' I?ti-.':_ __y=?,= rte- "ti.,??^_ u *, `? ? I ?: `?1 5,'.t' f?-',-??f * o co ? i ? v 00 Rc ; .10 ' b b?b b• ? 4 a .s v . s ti . s" rv .o , ?, . o cos .o M O M co M CO 0 LO M O C O O J w O O O y :3 7 O d (r N U U C ?' T T m 00 z0U) ' ENGINEERS & CONSULTANTS 0 0 I ATTACHMENT D C C MULKEY INC. 675D TRYON ROAD CARY, NC 2751 1 PO BOX 331 27 RALEIGH, NC 27636 PH: 91 9-851.191 2 FAX: 91 9-851 -1 91 B WWW.MULKEYINC.COM I i t -?-MULKEY ENGINEERS & CONSULTANTS CLIENT SUBJECT PROJECT No. PAGE OF Prepared By Date Reviewed By Date ?iofZ>=1EN7IOrJ A?Et? ?IZIr1L? LpMpc?r,4rTton/ ?'vtAr???..rFl?Cr`IT P2a?-? r--? AF?1? iR?3? C? ? STo?pnwR?? (317S7 I'L'?P.?;;T: ?Ul?t?r?.,'''y j d ?j t??1=N i lolJ = ? ? ? =? SF ?X1?jTirJ? l7U!`?t1.1? I p 31 J ? F?Ti:l-F i 2;:?P-! = i '??2 st= x o,asC-) = 12, 4, 31 31ol`ZE'7-cniTiut4 /?I?Fl? StZtrl?7 Inl I'f's .S?.N D6i=D ?j ? SUM of ALEA n G I2?(??j( x C'.dj c 10?? 5F L?Fc?u1L'E? CALCULATION SHEET DRAINAGE AREA #1 Type of Land Cover Undisturbed open space (forest, unmown meadow) Managed open space (grass, landscaping, etc.) Impervious Area TOTAL BMP removal efficiency N Load = Export / Area Amount controlled by BMP N Load controlled by BMP DRAINAGE AREA #2 Type of Land Cover Undisturbed open space (forest, unmown meadow) Managed open space (grass, landscaping, etc.) Impervious Area TOTAL BMP removal efficiency N Load = Export / Area Amount controlled by BMP N Load controlled by BMP SUMMARY Total Area (area #1 + area #2) Total Nitrogen Load (area #1 + area #2) Nitrogen Treated by BMPs Cumulative removal efficiency Area Export Coeff Export (acres) (Ibs/ac/yr) (Ibs/yr) 0 0.6 0 0 1.2 0 0.31 21.2 6.572 0.31 23 6.572 35.00% bioretention basin 21.20 Ibs/ac/yr 7.42 Ibs/ac/yr 2.30 Ibs/yr Area Export Coeff Export (acres) (Ibs/ac/yr) (Ibs/yr) 0 0.6 0 0 1.2 0 0 21.2 0 0 23 0 0.00% area #DIV/0! Ibs/ac/yr #DIV/0! Ibs/ac/yr #tDIW0! Ibs/yr 0.31 acres 6.57 Ibs/yr 2.30 Ibs/yr 35% BMP( M ® M M = M = ® = ® M ® ® ® M Nitrogen Load from New Development 3.22 Ibs/yr Minimum annual N load that must be treated by BMP 1.38 Ibs/yr Maximum annual N load that must be treated by BMP 2.55 Ibs/yr Annual N load that must be treated by BMP 1.36 Ibs/yr Removal efficiency 42.79% percent 1) If efficiency is much less than 25%, but a BMP is required, consider installing a BMP to treat a larger area and reduce the required payment 2) If the efficiency is much greater than 25%, consider installing a BMP to treat a larger area to avoid placing BMPs in series BMP treatment area 0.31 acres user entered Nitrogen load from BMP treatment area 2.30 Ibs/yr user entered Removal efficiency 35% percent user entered Actual N load removed 0.81 Ibs/yr Remaining N load from new development 2.42 Ibs/yr .,site expansion" area 0.19 acres N Loading Rate = Annual load / site expansion area 17.34 Ibs/ac/yr Initial Target 10.00 Ibs/ac/yr N remaining after treatment 13.01 Ibs/ac/yr Final Target 3.60 Ibs/ac/yr Remaining N to offset 9.41 Ibs/ac/yr Cumulative Nitrogen removed by BMPs 4.33 Ibs/ac/yr Post BMP Nil Total Site Area Existing Impervious New Impervious Total Impervious New unmanaged open space New managed open space Total Open space Unmanaged open space allocated to existing impervious Managed open space allocated to existing impervious Unmanaged open space allocated to new impervious Managed open space allocated to new impervious N Annual Load N load from unmanaged open space Q 0.6 Ibs/ac/yr N load from managed open space Q 1.2 Ibs/ac/yr N load from impervious area Q 21.2 Ibs/ac/yr .,site expansion" area N Loading Rate = Annual load / site expansion area Initial Target Amount controlled by BMP Final Target Remaining N SITE SUMMARY Total Site Area Actual Load from Site Loading Rate Annual N load that must be treated by BMP 0.56 Acres Percent 0.31 0.67 0.15 0.33 0.46 0 0.11 0.11 0.00 0.07 0.00 0.04 0.11 existing developed new developed 0.00 0.00 Ibs/yr 0.09 0.04 Ibs/yr 6.57 3.18 Ibs/yr 6.66 3.22 Ibs/yr 0.19 acres 17.34 Ibs/ac/yr 10.00 Ibs/ac/yr 7.42 Ibs/ac/yr 3.60 Ibs/ac/yr 6.32 Ibs/ac/yr 0.57 acres 9.88 Ibs/yr 17.34 Ibs/ac/yr 1.38 Ibs/yr Initial Nitroger M M ® M M ® ® M M M ® M M ® M M M Glenaire Type of Land Cover Unmanaged open space (forest, unmown meadow) Managed open space (grass, landscaping, etc.) Impervious Area inlc. R/W TOTAL N Load = Export / Area Pre-development Area (acres) Export Coeff (Ibs/ac/yr) 0.00 0.26 0.31 0.57 12.08 Export Coeff (Ibs/ac/yr) 0.00 0.11 0.46 0.57 0.19 ac 17.34 Ibs/ac/yr 10.00 Ibs/ac/yr 4.33 Ibs/ac/yr 3.60 Ibs/ac/yr 9.41 Ibs/ac/yr Export (Ibs/yr) 0.60 0.00 1.20 0.31 21.20 6.57 23.00 6.88 Type of Land Cover Unmanaged open space (forest, unmown meadow) Managed open space (grass, landscaping, etc.) Impervious Area incl R/W TOTAL Calculated site expansion area N Load = Export / Area Initial Target Amount controlled by BMP Final Target Remaining N Post-development Area (acres) Net Change in on-site N load (post-dev less pre-dev less removal) 2.18 Ibs/yr Export (Ibs/yr) 0.60 0.00 1.20 0.13 21.20 9.75 23.00 9.88 Sum_ s \\ \ BY' D 55C'rJ `,DL 6 v l f \\ I I i'/I ?1,1?V?If11 \ 4 - ------------ is ? ?/'.?'? \ ?1•`\ `r A t n. I 11 , _ r E r t "D C-7 75 IL1/ ',1 DRAINAGE AREA= 24,584.76 SF (0.56 AC) SCALE: V= 30' 4 ./ d r z w Q x N z ?p F 7 p F iz m <13 o 40 nNpz © nooom N :3W ozJ ? xxoml p mmoo3 z W az°'03 Z 0 U) Z WX W w w?/ Qww WWQ OZZ ZWJ Q -UO U) C) U) W Z J >W a 1l7 m 6 LO 0 ni N O n x x a? L U C H O a 1 e n 1 \"J n J 'f, J ij "{'rJ 4 IT 7 .1 11 'r/; l?r i l I ? i rl \ tl? \ 14 i i r I I , ? Y? / ? ?5? may` -•.\ `, \ ny i '\ j ?'. 7 /' ,J ? ? . e , J. \r i.j--- I i Ir ?rl i i ' r? r or i; Ln 7, PRE-DEVELOPMENT IMPERVIOUS AREA= 13,326.38 SF (0.31 AC) SCALE: 1" = 30' 2 N ° w w Q x to H Z ?Q F J © F ?Z a XU U ?= U rnnmZ C3 n .om? .U ? W P, Z %amml 0 ©YmD? Z Oi"3 W 4Q-D3 -4 z Q0 Wc/) WZ I<c, C. Z) x O W W > W ? W WIZ EL Z W W 2 -U J Cr) > U) WU) ow I" Z W _j W J C.L. w a N O Ln O CDI (U fV O CD, a yr n L 10 co U C L 0 e 0 , ? ?r I / iv. I? r, , r 5 u n r•, rr; nl {' il?J,l i I' v I ? ' !1 \' \ - i?A? 4 \?. jr s^y ?? D-- ?? \ - ? %-- - ? - j It I - :GYM , •' I ..._ ' L„? ? . I I J ? ----- --? ?- T' ? i i I? I ? .. ` i .lJ ' Y •-? -? k r I 1 I t '',i ? ? ._ - c-J E-33 I^r_ PRE-DEVELOPMENT PERVIOUS AREA=11,253.33 SF (0.26 AC) SCALE: 1" = 30' d z W I W Q N ?m F Z F WJ Y m Z m Ro i 0 4U ? ? nnmZ r N Clo w m w mZ..j 3 Z xIQmE 0 cl I Z W 13 am?'03 4 z w ? ? z Q a Z) W W O af W G H Q Z W U) W W Z ? J a W 3: 2 Q T (L O In CD, N O C n n N W C L T 0 j 1 u 1 1 1 1 Vii. o j ?\ + \ J \` 11 .4 1 7 \ \ \ : \\ \ \ •??\ ? , \ • ?` `'?' ' ???" - _-,?:. ice/ rr JJ F '4J ''''??aln Vlr? rJ? 1 IJ ,j ,lj??rjl?' f ? I I f, fj Jll ii;??11 it 1 \ ? , ?\ v C? i F _ .LL `t ?J. ?• I G f I \ I ? vl i;1 NEW DEVELOPMENT IMPERVIOUS AREA= 6,723 SF (0.15 AC) 1 1r ;1I SCALE: 1" = 30' I i I i I? 77 '7 K r _' d ?. z S a h / z Z F J w f Yp c <n n r 4u ? ronaz r m aricaW :3Z.; Z xxmol e Ussi z m <"3 hl 6C??3 z wr0 ? vJ z vJ Z) >< owwww > w w ww- w f- Q n.zz ?w? -U? wU) ow 3: -1 J W Z w ? S a tD Qi LLl 0 N Cu 0 ,z n L ro d N U 0 L L e 4 4 . AIP \ 4 4 \ 'Ir. c f1. ;? I r^ t / J tt?` i ICJ . ? ,I I 1 r ? \ ? / ! / r ' ' v `\ I i ? - fi \ \ - A' Ck } ?? V V . 1 ?? `? ??\• % - -'7l-__\ BSc z_ "vI' DFil!I'e? t I i I Itl C?f - - r,. --?- "?. i;Z POST-DEVELOPMENT PERVIOUS AREA= 4,707.68 SF (0.11 AC) SCALE: 1"= 30' z In z w ? 2 N F Z ?z F J p F ?Z ° xo o ? ?n ? NtlmZ r M N'00W : it 3 W mZ..? Z x?mmf 2p o?ao3 z o<--; w do-- Z <0 W V, Z U/ Li. x 0 w Lu W {.? 0 WZZ CL WILu V W ??J) 0 v/ I W U)J 0? CL w a Cu CU (*1 Q Ln O (V O 21 L x C) 0 a f E C e 1 1 J \\4 \\ 1 ? '1 ?i ref , \ J \r \1, L ? i 11 iJ? i \I . _ Hr i,ri.!N'D n? INNG (Ap ROX. 2' h rNt ?i_ 15'x45' BIORETENTION AREA BERM 1' WIDE SAND BED 5' WIDE 1 GRAS BUFFER AREA TO BIORETENTION FROM PROPOSED BUILDING------. 9,894 SF AREA TO BIORETENTION FROM EXISTING BUILDING--------- 3,402 SF REQUIRED AREA FOR BIORETENTION ------------------------631 SF i ,cui.uEAr' ?h rVdV - .4b7w? r , 9; ?t a Reps 3'' f \! v - - ?? y 5 ? ?A CULVER \? 'r+I C?, \-ROOFL7NEPROPOSED-` ==?_- = =-'- V \, ?\ \ WECCNESS CENTEREXPANSION ?TO_BIORET•ENT- ION AREA E- r 7-- zzz- 1 :7 III s-i? s I r R q a 4 F, -, ' L SCALE: 1" = 30' r O Z 00?? N co F Z ?p h m F d Q n ? 4ri ? nnmZ r ®®®m nri@?W 7 y 0z"i Z n to o p m?mm3 Z p(^^; W 6Cmm? z 0 V) Q Z WNQ lJ.. x W z w I.l.. IV uj ? P: I- z W 1i1 w 1?' U W ?' n rVVii11 U 0 W 00 z J J W a Lr) a fV LL9 0 O N N O C O a L c 0 v c- .2 f- 0 a December 20, 2004 ENGINEERS & CONSULTANTS Cyndi Karoly, Supervisor Division of Water Quality 401 Oversight Unit 2321 Crabtree Boulevard, Suite 250 ?- Raleigh, North Carolina 27604 Re: Glenaire Retirement Community G C C j5 f\> Cary, North Carolina Wake County Nis. Karoly, Please find our responses to your letter dated November 29, 2004 concerning the•N<<,- iffenvariancea request for the Glenaire Retirement Community. 0 , t<e (? 1. The wetlands impacts have been identified on the attached sheet, RTC-1. 2. There are limited locations for proposed stormwater management practices. The majority of the stormwater collection system is adjacent to the building or within the loading dock area which significantly limits any opportunity for stormwater treatment. The two stormwater collection systems (one from the parking lot and one from the loading dock) go under buildings which require the pipes to be buried at a depth where it is impossible to have the pipes surface beyond the buildings at a location for a treatment system. This is the case for the courtyard on the backside of the buildings. However, there is currently a riser structure located in the drainageway. This retention area exists and provides the best treatment possible for the stormwater. Even though it is located within the buffer, could improvements be made to this structure to allow this area to function more as a wet pond? 3. The stream and buffer impacts for the construction access road have been identified in RTC-2. Stormwater calculations for the stream crossings are also attached to this letter. 4. We are in the process of obtaining confirmation from the US Army Corps of Engineers. This confirmation will be forwarded to you as soon as it has been received. 5. As we reviewed the site for potential bio-retention areas, we examined the courtyard area. Unfortunately, the stormwater pipe from the parking lot goes under the building which requires it to be at a depth that is impossible to have the pipe surface and treat the stormwater within the courtyard area. Please see the response to #2 above concerning modifications to the existing riser within the buffer. 6. Section 6 of the Major Variance Form has been completed and is attached. The size of the drainage basin is based on the area located within the property. The 25% removal efficiency is based on the wet detention area. Thank you for you time and consideration. Please contact me at 858-1888 if you have any additional questions or comments. Sincer ly, Lichael . A ten, P.E. Project Manager Cc: Dr. Sam Stone, Glenaire Retirement Community MULKEY, INC. 6750 TNYON ROAD CAft Y, NC 2751 1 PO BOX 331 27 RALEIGH, NC 27636 PH: 919-©51-1912 FAX: 919-13 - 91 0 WWW.MULKEYINC.COM i 1 13 ?IS J ? 1 1 C'. C' ; 1_ WETIAN S \\? t \\ -__ 1 ? i TEMPORARY CO R T N ---- , NST UC IO ACCESS-TO BE RETAINED AS--- ., - _ ^ UNPAVED EMERGENCY EGRESS- ?. `. _ ?. WETLANDS` ? CREEK , - - -- ?'T ' CENTERLINE.'. , Y r? - WELLNESS CENTER EXPANSION FOOTPRINT OF PROPOSED -. -- 1 _ t - 7) - ~--_? J?- EXISTING ACCESS PATH d -- -- ----------------------------------- ii WETLAND IMPACTS: 3,048 SF 2\ SCALE: 1"= 20' WETLAND IMPACTS WELLNESS CENTER EXPANSION ?MULKEY [NOIN 6[I?!? i CON!•ULTANTO RTC-1 ro ' 33 GLENAI 1 19,.1 .,,•,911 "'"'"° "°'° RE 19191 °91.191 ° IFA%I W W W.NUU(MNC.COM a N Q v v of 0 o_ C x N v m 3 , ZL. ?7 TT 2, I•^ 11 /% ? /Jl/,,r I t ? r 11 It - , Irl i? t + t, i \ TEMPORARY CONSTRUCTION ACCESSTO BE RETAINED AS- - - - - -'.\ UNPAVED EMERGENCY EGRESS_ -ZONES NEUSE BUFFER--'- } 1 'i - RCP v ZONE _1 NEUSE BUFFER CULVERT,' WtiaEn?wwaus > ^--, '-- CREEK \. I CENTERLINE\'. I _j?FOC7PR1btOF PROPOSED WELLNESS-CENTER EXPANSION r \X / ZONE 1 NEUSE BUFFER ?, ?CIC :NEUSE I +yr u.+I +: _--~ _ c' C, L? -" ?I l`t a, ! EXISTING ACCESS PATH - , is STREAM IMPACTS: 32 LF (PERMANENT) IZONE 1 NEUSE BUFFER IMPACTS: 6,435 SF ZONE 2 NEUSE BUFFER IMPACTS: 4,279 SF EXISTING PATH ZONE 1 IMPACTS: -21 SF EXISTING PATH ZONE 2 IMPACTS: - 600 SF I NET ZONE 1 NEUSE BUFFER IMPACTS: 6,414 SF NET ZONE 2 NEUSE BUFFER IMPACTS: 3,679 SF SCALE: 1"= 20' c D n L c NEUSE BUFFER IMPACTS ? 1 1 WELLNESS CENTER EXPANSION - -MULKEY CNSINCCRS A CONSULTANTS RTC-2 108. x aa/aT 1 Ru e,n«. N.O. 17 .i0 19191 •?l1-1 Oil G LE NAI R E (9191 ¦?1-1910 IfAxl WWW.NULKCTINC.CON 'J - f a N ?o Cu ? Cu I ? to cll ti Storm Pipe Calculations 40-MULKEY CALCULATION SHEET ENGINEERS G CONSULTANTS PAGE I OF CLIENT l?Fn1A,l?F SUBJECT Prepared By in5 Date'2-?? PROJECT No. ?-' R ?r ?• Reviewed By Date CVLq6cz y? p?Al N?a? 41eE7A = 2 S. 99 P? G=x.55' I Co (ID?.33??0?3? ??3 21Z. OS It4 of vst! y? ??P oe ?Z? 3a1?tz?P C-0 LVEQT2 E>n- C'EA = 23. ?3QC G = 55 ( =L:fA= 111•7o,-,Fs 1 . o, e O O ? o d KIM 1y d i i" / V l?'Cu1 01 p S rn t? A N m V q7, Jul a Part 3: Water Quality Protection, continued 4. Complete the following information for each drainage basin. If there are more than two drainage basins in the project, attach an additional sheet with the information for each basin provided in the same format as below. (ATTACHMENT C) Project Information Drainage Basin 1 Drainage Basin 2 Receiving stream name Unnamed tributary to MacGregor Downs Lake Receiving stream class' WS-III NSW Drainage basin area (total) 92 acres Existing impervious area3 (totalZ) 46 acres Proposed impervious area3 (totalZ) 0.22 acres Impervious area3 (on-site) 44.4% Impervious area3 (total) 50.0% Impervious area3 Drainage basin 1 Drainage basin 2 On-site buildings 8.99 acres On-site streets 2.88 acres On-site parking 1.75 acres On-site sidewalks 0.21 acres Other on-site 0 Total on-site 13.83 acres Off-site 32.17 acres Total 46.0 acres ' The internet site for this information is http://h2o.enr.state.nc.us/strmclass/alpha/neu.html 2 Total means on-site plus off-site area that drains through the project. 3 Impervious area is defined as the built-upon area including, but not limited to, buildings, parking areas, sidewalks, gravel areas, etc. 5. How was the off-site impervious area listed above derived? The off-site impervious area was estimated based on visual inspection of the drainage area. The drainage area includes the Kmart/Food Lion shopping center at the corner of Kildaire Farm Road and Maynard Road. 6. What will be the annual nitrogen load contributed by this site after development in pounds per acre per year without structural BMPs (stormwater pond, wetland, infiltration basin, etc)? Attach a detailed plan for all proposed structural stormwater BMPs. (ATTACHMENT D) Drainage basin Size of drainage basin ac Post-development nitrogen loading rate without BMPs° Ibs/ac/ r BMP nitrogen removal efficiencl % Final nitrogen loading rate (Ibs/ac/yr) Final nitrogen loading from drainage basin Ibs 1 31.61 8.58 25% 2.59 18.76 2 3 4 5 Totals 31.61 8.58 25% 2.59 18.76 4 Attach calculations and references. 5 Attach calculations and references. Variance Request Form, page 3 Version 1: September 1998 December 20, 2004 ENGINEERS & CONSULTANTS Cyndi Karoly, Supervisor Division of Water Quality 401 Oversight Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604 Re: Glenaire Retirement Community Cary, North Carolina Wake County Ms. Karoly, Please find our responses to your letter dated November 29, 2004 concerning the Neuse Buffer variance request for the Glenaire Retirement Community. 1. The wetlands impacts have been identified on the attached sheet, RTC-1. 2. There are limited locations for proposed stormwater management practices. The majority of the stormwater collection system is adjacent to the building or within the loading dock area which significantly limits any opportunity for stormwater treatment. The two stormwater collection systems (one from the parking lot and one from the loading dock) go under buildings which require the pipes to be buried at a depth where it is impossible to have the pipes surface beyond the buildings at a location for a treatment system. This is the case for the courtyard on the backside of the buildings. However, there is currently a riser structure located in the drainageway. This retention area exists and provides the best treatment possible for the stormwater. Even though it is located within the buffer, could improvements be made to this structure to allow this area to function more as a wet pond? 3. The stream and buffer impacts for the construction access road have been identified in RTC-2. Stormwater calculations for the stream crossings are also attached to this letter. 4. We are in the process of obtaining confirmation from the US Army Corps of Engineers. This confirmation will be forwarded to you as soon as it has been received. 5. As we reviewed the site for potential bio-retention areas, we examined the courtyard area. Unfortunately, the stormwater pipe from the parking lot goes under the building which requires it to be at a depth that is impossible to have the pipe surface and treat the stormwater within the courtyard area. Please see the response to #2 above concerning modifications to the existing riser within the buffer. 6. Section 6 of the Major Variance Form has been completed and is attached. The size of the drainage basin is based on the area located within the property. The 25% removal efficiency is based on the wet detention area. Thank you for you time and consideration. Please contact me at 858-1888 if you have any additional questions or comments. Sincer ly, tic ae1 . A en, P. E. Project Manager Cc: Dr. Sam Stone, Glenaire Retirement Community MULKEY. INC. 6750 TRYON ROAD CARY, NC 2751 1 PD Box 331 27 RALEIGH, NC 27636 PH: 91 9-851 -1 91 2 FAx: 919-©51.1 91 © WWW.MULKEYINC.COM I 13 7-,V C&G --- ZZ-7-1 LAS' '_C,"1 PE 4PE.^ i 21- !lwI 1 F r,ItJ_ r I WETLAN S TEMPORARYCONSTRUCTION ACCESS,TO BE AETAINED'AS--- `` UNPAVEDEMERGENCY'EGRESSI r WETLANDS CREEK ,.CENTERUNE`. 77 `WELLNESS CENTER EXPANSION FOOTPRINT OF.PROPOSED--- ?_Et i -- FF , _- I ? JJ I EXISTING ACCESS PATH . , r`E=463. I ? n WETLAND IMPACTS: 3,046 SF SCALE: 1"= 20' WETLAND IMPACTS - SHMm. WELLNESS CENTER EXPANSION i =MULKEY C Nta1NCCR1 iC]NeYLTANT¦ RTC 1 o ? ea. as t sT - "". GLENAIRE igi?t eet-tstz st eet• tote vww www.rnuucrnwc.cow a U 7J c 'v v K 1) v m 3 y I (, Al. n ZONE 1 NEUSE BUFFER = -4 , 7z lli_E 1 1 i 1 ?/ r if /i< L S E,K D' r D I ?rJ j 111 3?? •: RCP ? ? ,'?! I. I ? (I `'I tt.r.iC. _ TEMPORARYCONSTRUCTION ACCESS,TO BE RETAINED AS"-- - UNPAVED EMERGENCY EGRESS.-, '-ZONE 2NEUSE BUFFER--'- ae• ZONE 1 NEU_SE BUFFER\?\? \ CREEK \ ". -Z`' - - - \ CENTERLINE\ . 5 rl-FOOthlillaOF PROPOSED -WELZNESSCENTER EXPANSION ER, EXISTING ACCESS PATH. h o J o ' i 2 NEUSE SOF c\j v N STREAM IMPACTS: 32 LF is I Q (PERMANENT) I` a ZONE 1 NEUSE BUFFER IMPACTS: 6,435 SF ZONE 2 NEUSE BUFFER IMPACTS: 4,279 SF x EXISTING PATH ZONE 1 IMPACTS: -21 SF EXISTING PATH ZONE 2 IMPACTS: - 600 SF aJ Lo NET ZONE 1 NEUSE BUFFER IMPACTS: 6,414 SF NET ZONE 2 NEUSE BUFFER IMPACTS: 3,679 SF SCALE 1' = 20 NEUSE BUFFER IMPACTS ---MULKEY WELLNESS CENTER EXPANSION CNOINC[Ral CONaI II LTANT¦ RTC-2 ?o soa aa, aT R.u.uew, r,.c. aTUa GLENAIRE www. n, u uca:r l n, c. c o l., m x i Storm Pipe Calculations 40-MULKEY CALCULATION SHEET ENGINEERS S CONSULTANTS PAGE OF CLIENT / ,Lu L, r?-E SUBJECT LLI, ?-t-- LEES 12- t Prepared By En 5 Date L- - o, PROJECT No. ??-=??q J] Reviewed By Date CVLV6Z7, -= 7 Pao tJP?!-1-7 ??_?; = 25.99 D=CAA= l01. - ?-) =r of 05 ?l i v <y ?l8 ?- P oe (Z? 3o I?2?P i L\16 ¢T ^ 2 23- )3AI I 17 = ?? (111 70v ?•CN ?? J`8 _ ?3. ={ ,ti• u5? =!3 "26A oR (Z) 3(?'??'cP DQA WAAE ARFA r0 LUL.VF(tr" 2 PRXINAGs AI?Ea To LvLVGR i zk ?L L, l v ? .t 1 e \ n, o 0 i V/ 1 i 1 1. \ .?- _ j / 1 ?. l l l l t ? ? a ? r / ` w rl 1 I :;- a a 1.2 m ii v 0 0 N m 0 C Lo 0 0 .. s Part 3: Water Quality Protection, continued 4. Complete the following information for each drainage basin. If there are more than two drainage basins in the project, attach an additional sheet with the information for each basin provided in the same format as below. (ATTACHMENT C) Project Information Drainage Basin 1 Drainage Basin 2 Receiving stream name Unnamed tributary to MacGregor Downs Lake Receiving stream class' WS-III NSW Drainage basin area (total) 92 acres Existing impervious area3 (total2) 46 acres Proposed impervious area3 (total2) 0.22 acres Impervious area3 (on-site) 44.4% Impervious area3 (total) 50.0% Impervious area3 Drainage basin 1 Drainage basin 2 On-site buildings 8.99 acres On-site streets 2.88 acres On-site parking 1.75 acres On-site sidewalks 0.21 acres Other on-site 0 Total on-site 13.83 acres Off-site 32.17 acres Total 46.0 acres ' The internet site for this information is http2o.enr.state.nc.us/strmclasslalpnameu.ntml 2 Total means on-site plus off-site area that drains through the project. 3 Impervious area is defined as the built-upon area including, but not limited to, buildings, parking areas, sidewalks, gravel areas, etc. 5. How was the off-site impervious area listed above derived? The off-site impervious area was estimated based on visual inspection of the drainage area. The drainage area includes the Kmart/Food Lion shopping center at the corner of Kildaire Farm Road and Maynard Road. 6. What will be the annual nitrogen load contributed by this site after development in pounds per acre per year without structural BMPs (stormwater pond, wetland, infiltration basin, etc)? Attach a detailed plan for all proposed structural stormwater BMPs. (ATTACHMENT D) Drainage basin Size of drainage basin ac Post-development nitrogen loading rate without BMPs° Ibs/ac/ r BMP nitrogen removal efficiencl % Final nitrogen loading rate (Ibs/ac/yr) Final nitrogen loading from drainage basin Ibs 1 31.61 8.58 25% 2.59 18.76 2 3 4 5 Totals 31.61 8.58 25% 2.59 18.76 Attach calculations and references. 5 Attach calculations and references. Variance Request Form, page 3 Version 1: September 1998 I I n 0 n u 0 1 OFFICE USE ONLY: Date Received Request # J State of North Carolina Department of Environment and Natural Resources Division of Water Quality NUv 17 2004 DENR - WATER QUALITY V01AMSM40STOR:1, ATERErW.VI Variance Request Form Neuse River Basin: Nutrient Sensitive Waters Management Strategy Protection and Maintenance of Riparian Areas Rule (15A NCAC 0233) NOTE. This form maybe photocopied for use as an original. Part 1: General Information 1. Applicant's name (the corporation, individual, etc. who owns the project): Glenaire, Inc. 2. Print Owner/Signing Official (person legally responsible for the facility and its compliance) Name: Dr. Sam Stone Title: Director Street address: 4000 Glenaire Circle City, State, Zip: Cary, North Carolina 27511-3802 Telephone: (919) 460-8095 Fax: (919) 467-0844 3. Project Name (Subdivision, facility, or establishment name -consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Glenaire Phase IV ' 4. Location of Facility Street address: 4000 Glenaire Circle City, State, Zip: Cary, North Carolina 27511-3802 t County: Wake Latitude/longitude: 2,063.858 : 737.567 5. Directions to facility from nearest major intersection (Also attach a map): Facility occupies the northeast corner of the intersection of W. Cornwall & Kildaire Farm Rd. 6. Contact person who can answer questions about the facility: Name: Michael Allen, PE - Mulkey Engineers and Consultants Inc. Telephone: (919) 858-1888 Fax: (919) 851-1918 Email: mallen(a?mulkeyinc.com 7. Requested Environmental Management Commission Hearing Date: As soon as feasible. Version 1: September 1993 1 Part 2: Demonstration of Need for a Variance 0 n 0 NOTE: The variance provision of the Neuse Riparian Area Rule allows the Environmental Management Commission to grant a variance to an affected party when the following conditions apply on a given project: (a) practical difficulties or hardships would result from strict application of the rule: (b) such difficulties or hardships result from conditions which are peculiar to the property involved, and (c) the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. This part of the application is to explain how the project meets criteria (a) and (b). _ 1. Attach a detailed description (2-3 pages) explaining the following: (ATTACHMENT A) • The practical difficulties or hardships that would result from strict application of the Rule. • How these difficulties or hardships result from conditions that are unique to the property involved. • Why reconfiguring and/or reducing the built-upon area to preserve a greater portion of the riparian area is not feasible on this project. If economic hardship is the major consideration, then include a specific explanation of the economic hardship and the proportion of the hardship to the entire value of the project. Part 3: Water Quality Protection NOTE: This part of the application is to explain how the project meets criterion (c): the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. Briefly summarize how water quality will be protected on this project. Also attach a detailed narrative (1-2 pages) describing the nonstructural and structural measures that will be used for protecting water quality and reducing nitrogen inputs to surface water. (ATTACHMENT B) Currently, two pipes outlet stormwater collected from the existing parking lots and loading dock and release the stormwater into the tributary. Due to the limited open space in the vicinity of the stormwater inlets, no treatment mechanisms are possible within the loading dock and parking areas. The existing outlets have eroded a four foot deep gulley leading to the tributary. The footprint of the proposed building requires these pipes to be extended. The proposed proiect will combine these pipes and extend them to a new outlet point. Due to the limited area, no treatment of this stormwater is possible. However, velocity will be controlled as much as feasible. A series of drop manholes will be installed to reduce the velocity of the stormwater. The outlet will be protected with rip rap. Due to the limited space available for treatment, Glenaire would like to submit a fee to the Riparian Buffer Restoration Fund to offset the impacts of the proposed building expansion. 2. What is the total project area in acres? 0.40 acres 3. Which of the following permits/approvals will be required for this project? ' N/A CAMA Major N/A Sediment/Erosion Control N/A 401 Certification/404 Permit Variance Request Form, page 2 Version 1: September 1998 r Part 3: Water Quality Protection, continued 4. Complete the following information for each drainage basin. If there are more than two drainage basins in the project, attach an additional sheet with the information for each basin provided in the same format as below. (ATTACHMENT C) u Project Information Drainage Basin 1 Drainage Basin 2 Receiving stream name Unnamed tributary to MacGregor Downs Lake Receiving stream class' WS-III NSW Drainage basin area (total) 92 acres Existing impervious area3 (total) 46 acres Proposed impervious area3 (total) 0.22 acres Impervious area3 (on-site) 44.4% Impervious area3 (total) 50.0% Impervious area3 Drainage basin 1 Drainage basin 2 On-site buildings 8.99 acres On-site streets 2.88 acres On-site parking 1.75 acres On-site sidewalks 0.21 acres Other on-site 0 Total on-site 13.83 acres Off-site 32.17 acres Total 46.0 acres ' The internet site for this information is http://h2o.enr.state.nc.us/strmclass/alpha/neu.html 2 Total means on-site plus off-site area that drains through the project. 3 Impervious area is defined as the built-upon area including, but not limited to, buildings, parking areas, sidewalks, gravel areas, etc. 5. How was the off-site impervious area listed above derived? ' The off-site impervious area was estimated based on visual inspection of the drainage area. The drainage area includes the Kmart/Food Lion shopping center at the corner of Kildaire Farm Road and Maynard Road. 6. What will be the annual nitrogen load contributed by this site after development in pounds per acre per year without structural BMPs (stormwater pond, wetland, infiltration basin, etc)? Attach a detailed plan for all proposed structural stormwater BMPs. (ATTACHMENT D) Drainage basin Size of drainage basin ac Post-development nitrogen loading rate without BMPs` Ibs/ac/ r BMP nitrogen removal efficiencl % Final nitrogen loading rate (Ibs/ac/yr) Final nitrogen loading from drainage basin Ibs 1 2 3 4 5 Totals ------ ------ ------ Attach calculations and references. 5 Attach calculations and references. Variance Request Form, page 3 Version 1: September 1998 H u Part 3: Water Quality Protection, continued 7. The applicable supplemental form(s) listed below must be attached for each BMP specified: Form SWU-102 Wet Detention Basin Supplement Form SWU-103 Infiltration Basin Supplement Form SWU-105 Curb Outlet System Supplement Form SWU-106 Off-Site System Supplement Form SWU-107 Underground Infiltration Trench Supplement Form SWU-109 Innovative BMPs Supplement Part 4: Submittal Checklist A complete appplication submittal consists of the following components. Incomplete submittals will be returned to the applicant. The complete variance request submittal must be received 90 days prior to the EMC meeting at which you wish the request to be heard. Initial below to indicate that the necessary information has been provided. Applicant's [nit* Is ?JA 1/1 V"' NIA Item • Original and two copies of the Variance Request Form and the attachments listed below. • A vicinity map of the project (see Part 1, Item 5) • Narrative demonstration of the need for a variance (see Part 2) • A detailed narrative description of stormwater treatment/management (see Part 3, Item 1) • Calculations supporting nitrogen loading estimates (see Part 3, Item 6) • Calculations and references supporting nitrogen removal from proposed BMPs (see Part 3, Item 6) • Location and details for all proposed structural stormwater BMPs (see Part 3, Item 6) • Three copies of the applicable Supplement Form(s) for each BMP and/or narrative for each innovative BMP (see Part 3, Item 7) • Three copies of plans and specifications, including: 0 Development/Project name 0 Engineer and firm 0 Legend and north arrow 0 Scale (1" = 100' or 1" = 50' is preferred) 0 Revision number & date 0 Mean high water line (if applicable) 0 Dimensioned property/project boundary 0 Location map with named streets or NC State Road numbers 0 Original contours, proposed contours, spot elevations, finished floor elevations 0 Details of roads, parking, cul-de-sacs, sidewalks, and curb and gutter 0 Footprint of any proposed buildings or other structures 0 Wetlands delineated, or a note on plans that none exist 0 Existing drainage (including off-site), drainage easements, pipe sizes, runoff calculations 0 Drainage basins delineated 0 Perennial and intermittent streams, ponds, lakes, rivers and estuaries 0 Location of forest vegetation along the streams, ponds, lakes, rivers and estuaries Variance Request Form, page 4 Version 1: September 1998 Part 5: Deed Restrictions By your signature in Part 7 of this application, you certify that all structural stormwater best management practices required by this variance shall be located in recorded stormwater easements, that the easements will run with the land, that the easements cannot be changed or deleted without concurrence from the State, and that the easements will be recorded prior to the sale of any lot. Part 6: Agent Authorization If you wish to designate submittal authority to another individual or firm so that they may provide information on your behalf, please complete this section: Designated agent (individual or firm): Michael Allen PE - Mulkey Engineers and Consultants, Inc Mailing address: Post Office Box 33127 City, State, Zip: Raleigh, NC 27636-3127 Telephone: (919) 858-1888 Fax: (919) 851-1918 Email: malien (a-)-mulkeyinc.com Part 7: Applicant's Certification I, Dr. Sam Stone (print or type name of person listed in Part I, Item 2), certify that the information included on this permit application form is correct, that the project will be constructed in conformance with the approved plans and that the deed restrictions in accordance with Part 5 of this form will be recorded with all required permit conditions. Signature: Date: Title: Director rku?? I L. :\?? L.?Ctc:cCr?lc .wcc:?? Variance Request Form, page 5 Version 1: September 1998 NOT TO SCALE SHEET N0. ,; VICINITY MAP 49-MUL.KEY x ENGINEERS & CONSULTANTS BOX 33127 PO INC GLENAIRE m H,N. N.C. RALC N.C. 27636 co . , (919) H51-1912 191 9) 651-1 91 A (FAX) ~O WWW.MULKEYINC.COM J a 9 ? p `?? `:?- l?lJ LL. U?. LL. if ENGINEERS & CONSULTANTS ATTACHMENT A I MULKEY INC. 6750 TIIYON ROAD CARY, NC 7751 1 PD 00K 331 27 RALEIGH, NC 27636 PM: 919-©51-1912 FAX: 919•©51-19111 WWW.MULKEYINC.COM A Continuing Care Retirement Community An Affiliate or The Presbyterian lion,,, Inc. Variance Request Form -- Part 2: Demonstration of Need for a Variance Glenaire is a nonprofit, church-related continuing care retirement community which provides services and accommodations for 380 older adults whose needs and abilities range from independent through levels of increasing dependence, including skilled nursing. When Glenaire was under construction prior to opening in 1993, the existing water quality rules allowed the placement of segments of the original buildings within what today are considered zones which should buffer the multiple branches merging eventually on site into an "intermittent stream." The only concern expressed in 1991 by Town erosion control officials was for areas that appeared to have wetlands characteristics. Glenaire has respected those concerns through erosion control measures including riprap and enhancement of vegetation especially in proximity to the storm drainage channels. Through the years of operations, the exercise program has grown impressively in active participation across all levels (notably, 125+ of the 260 independent residents) and in the variety of programs offered. For many of the programs, there is only one small room (600 sq.ft.) for both fixed equipment and aerobic classes. The need and demand exists for expanding the space and range of programs to improve this important aspect -- active, daily exercise -- of the available services. The plan is to construct a two-story addition to the Community Center adjacent to the existing exercise room, making it possible to add a separate aerobic and physical therapy space and a much needed aquatic center with exercise pool (30'x50'x4'), Jacuzzi, showers, and lockers. Having such a facility will make it possible for Glenaire to open more of its programs and services to older adults in the community who are not Glenaire residents. An exercise pool adds a dimension to the wellness and fitness programs which cannot be attained otherwise. On accompanying pages, the benefits are described more fully. The location of the building addition is critical to the overall plan. Granted, it encroaches on the buffered areas of the intermittent stream, but the location is truly the only but also the ideal place on the entire campus. The location is central within the main building complex, squarely between the independent and the assisted living and skilled nursing sections, physically connected to both. Also the location is directly opposite at ground level the existing exercise room and at the next level the kitchen which will support the proposed cafe addition. The social, physical, and overall health benefits for the older adults served by this addition tip the scale in favor of granting the requested variance. Cµi.Dl f T\\ 7 i .ter DING ARE ? I r t 4000 Glenaire Circic %0 Care, North Carolina 27511-388-3 o::nxTuw-n 91911460-S09i ii S00225-9573 Fax: 919:467-0844 I GLENAIRE Case Statement for Aquatic and Wellness Center within Glenaire What justifies having a swimming pool and lots of exercise equipment in a retirement community? There must be a good answer for this question because there definitely is a trend toward including such state-of-the-art facilities and programs, especially within continuing care retirement communities (CCRCs). Some readily suspect that the main reason revolves around adding more spice to the marketing program. Doubtless this is a factor. Being competitive in terms of facilities, services, and a host of other factors is vital to the success and survival of any CCRC. But marketing, ultimately, is about being responsive to interests, needs, and demands future residents (that is, the future clients and customers). Having a good aquatic and wellness program has become one of those prized components of a desirable and desired CCRC. There is more to the answer, however, much more that builds on solid research and the responsibility of a first rate CCRC to help residents grow as they discover how to be live to the fullest a long and rewarding phase of life. Being aware of some of the research findings and benefits (*) from a comprehensive wellness program is a good place to begin: ' "Recent gerontological research has shown that many of the commonly accepted biomarkers of age (low vitality, lost muscle mass, decreased strength, reduced bone density, increased body fat, high blood pressure, etc.) [are] directly attributed to inactivity. "Advance technology has essentially engineered activity out of our lifestyle and we have become a very sedentary society. Even the 1886 Surgeon general's Report stated emphatically: "'Inactivity is harmful to your health.' "Now the good news! Contemporary research clearly shows that regardless of age, those who participate in regular moderate exercise/activity find that many of the commonly accepted negative manifestations of aging not only can be prevented, but even reversed. "With more and more consumers demanding new strategies for healing coupled with health care providers being forced to curb spiraling costs, a new approach to health care is emerging -- it's called wellness. Wellness is a pro-active prevention model as opposed to the re-active disease 1 n 11 model that has greatly influenced Western health care during the past century.... "Retirement housing providers who have chosen to make wellness an integral part of their business are enjoying many of the... benefits[, such as,] wellness compliments the health continuum, wellness raises the function level of participants, [and] wellness enhances health span and quality of life." As a total concept and approach, a wellness facility and program consists of an aquatic center (an exercise pool and Jacuzzi), aerobic exercise, and fitness and weight training available both for those seeking to maintain healthy bodies and those in therapy or recovery. The pool contributes the soothing advantages of buoyancy. What is proposed for Glenaire? Glenaire has the starting points toward a good wellness program. There is a popular teacher and trainer with diverse abilities who has a faithful following of one-third of the independent residents and the participation of core of able and willing residents in assisted living and nursing. Exercise space is limited to one equipped room and use of several multi-purpose rooms. The following steps have been recommended, found feasible, and approved for development by the Board of Trustees: 1. Construct adjacent to the lower level of the existing Community Center, mid-way between the independent and healthcare section and connected to both, an aquatic center consisting of an exercise pool (30' wide, 50' long, and 4' deep), a Jacuzzi, and dressing rooms. 2. At the same level, convert the existing exercise room into a fitness and weight training facility for class participation and guided, individual use. 3. Adjacent to the preceding, construct an aerobic exercise and physical therapy space for scheduled classes and individual therapy sessions. 4. Add the equivalent of one more teacher and trainer to complement and extend the capabilities of the instruction already in place. 5. Seek broader participation by Glenaire residents, future residents, and interested older adults from the surrounding communities. Total estimated construction cost: $ 1,435,755 Source: Age Dynamics, John Rude & Associates, info@agedynamics.com I Site Constraints 110 Mi ULKEY ENGINEERS & CONSULTANTS The location of the proposed Wellness Center Expansion is shown in Attachment A-1 along with the centerline of the existing creek. The expansion will be located on the northern side of Building D. The main access to the complex is located at #4. Buildings A, B, and C are apartment buildings. Buildings E and F are the nursing areas of the complex. Building D contains the common area for both the dependent and independent residents of the facility. It contains the dining room, library, post office, beauty salon, music rooms, etc. Locating the Wellness Center Expansion in this area is essential for maintaining its accessibility to all the residents. All the residents with the exception of those in the detached townhomes can reach the proposed Wellness Center without being exposed to the outside elements and without traversing stairs. To the south of Building D are the existing loading docks (#1) which serve the dining room/kitchen and provide supplies and equipment to the entire facility. The Wellness Center Expansion could not be located in this area due to the inability to relocate these docks elsewhere on the property. In addition, existing parking lots (#2) for the residents and staff of the nursing areas could not be relocated elsewhere on the site to accommodate the expansion. An existing stormwater retention area is located in the vicinity of #3. This retention area is primarily for quantity control of the collected stormwater; however, there is some secondary treatment of the stormwater occurring in this area. The site is surrounded on the north, west, and south by existing residential subdivisions. The Town of Cary has required Glenaire to maintain 60 foot landscape buffers off of the northern and western property lines to shield the facility from the neighborhoods. This buffer also limits the expansion ability of the facility. The eastern part of the property contains townhomes. If the Wellness Center were to be located in this area, if sufficient area were available, would make its accessibility to the dependent care residents extremely difficult. i n MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO BOX 33127 RALEir,N, NC 27636 PH: 919-851-1912 FAX: 919-851-191 B W .MULKEYINC.COM I 10 MULKEY Attachment A-1 S F r 11, I © Y ENGINEERS & CONSULTANTS ATTACHMENT B MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO Box 33127 RALEIGH, NO 27636 PH: 919-851.1912 FAX: 919-051-191 © www.MULKEYINC.COM t L I r 11 I ©' MULKEY ENGINEERS & CONSULTANTS Water Quality Protection Attachment B-1 outlines the footprint of the proposed Wellness Center Expansion. For an overall view of the facility, please refer back to Attachment A-1. The proposed expansion will impact a total of 5,347 SF of Neuse River Buffers with 2,428 SF of impacts occurring in Zone 1 (the inner twenty feet) and 2,919 SF of impacts occurring in Zone 2. Existing Water Quality Controls As shown in Attachment B-2, two existing pipes discharge stormwater into the existing creek. One 18-inch pipe collects stormwater from the existing loading dock area, transports it under the building and outlets. Another 18-inch pipe collects stormwater from the existing parking lot, transports the water under the nursing building and discharges into the creek. These combined outlets have eroded a four foot deep gulley at the discharge area. There are no velocity controls at the outlet pipes. However, downstream approximately seventy feet is an existing outlet structure which controls the quantity of the stormwater released downstream. This area reduces the velocity of the stormwater and provides an area of secondary treatment. Proposed Water Quality Controls The proposed stormwater collection system will combine the flows from the two stormwater pipes and transport the collected stormwater to a discharge area protected by a poured concrete retaining wall. The proposed junction boxes will drop the stormwater vertically three to four feet to reduce the slope on the pipes and begin to slow the stormwater. The discharge area will be protected with Class 1 rip rap to prevent erosion and assist in dissipating the velocity of the stormwater. Currently, the outlet pipes discharge at a ninety degree angle to the existing creek. The proposed discharge location will allow the stormwater to enter the stream at a much improved angle. The stormwater outlet structure located downstream will not be modified. Due to limited site availability, there is no room for any additional stormwater controls. Therefore, the facility proposes to submit a fee to the Riparian Buffer Restoration Fund to offset the impacts of the proposed building expansion. See Attachment D for details regarding the proposed fee. MULKEY INC. 6750 TRYON ROAD CARY. NC 27511 PO Box 33127 RALEIGH. NO 27636 PH: 919.851.191 2 FAx: 919-851-1918 W .MULKEYINC.COM )FN'AIN',S) REFER TO SHEET ---*' B-2 FOR PROPOSED STORMWATER OUTLET '8° 0U f-=462.1 === ZONE 1 NEUSE 1 ISTkUQTIQN_ - _ _ - ----- c< ACCESSJO BE RETAINED UNPAVED,EMERGENCY'EGRESS_ ZONE 2 NEUSE BUFFER----- -., -1 7 -ZONE 1 NEUSE BUFFER t,\ ' p ?s -- - - CREEK CENTERLINE. . -EOC1TPRlNZOF PROPOSED _-----WELZNES_S CENTER EXPANSION zw? _ r - -, ?. r ^> - -ZONE 2 NEUSE QAJFFER',,,:--_. _ j- ; I - I EXISTING ACCESS PA- `r ZONE 1 NEUSE BUFFER IMPACTS: 2,449 SF ZONE 2 NEUSE BUFFER IMPACTS: 3,519 SF EXISTING PATH ZONE 1 IMPACTS: -21 SF EXISTING PATH ZONE 2 IMPACTS: - 600 SF NET ZONE 1 NEUSE BUFFER IMPACTS: 2,428 SF NET ZONE 2 NEUSE BUFFER IMPACTS: 2,919 SF D EI SCALE: 1" = 30' NEUSE BUFFER IMPACTS WELLNESS CENTER EXPANSION GLENAIRE SHEET NO. ENGINEERS & CONSULTANTS Ru-1 PG Box 33127 LJ RALCION, N.C. 27636 (9191 851:1917 (919) 8511918 (FAX) WWW.MULKEYINC.COM i' . /; / - is i-,. •? ?? ? ` -'S CLASS11 t RIP RAP TO I i DRAINAGEWAY POURED CONCRETE INV=457:0 - ,,.I RETAINING WALL 5' - _ -"' -" (APPROX. 2' HIGH) - ,''., ?'•??` \ _ - _ - ; -_? ? ..- ; ?,1=_, i 5' ic? S _- 27' - 18" RCP @ 0.50 J: v-Z i' INVERT, IN=458.14 (2) , -??-- 'INVEfiT 'OUT=457 64'' , . •_E_ _X1 STi N G-OLILEZ I l ---43`-=-lW RCP -'0,50% I N ART i W=461.67 -'? - INVERT,OUT=458`.8-6 ----=`-- J (D !I 'I')?.Ip r INVERT IN=462.27 INVERT OUT=458.27 EXISTING OUTLET { ly_ I I i : (L1 I ! WELLNESS CENTER EXPANSION GLENAIRE F D, ED 1. 5 4 46-MUL.KE-Y ENGINEERS & CONSULTANTS PO BOX 33127 RALEIOM, N.C. 27636 (919) 051-1912 991 9) ©51-1 91 B WAXI WWW.MULKEYINC.COM a Ln Ln 6 Lo v O N SCALE: 1" = 20' SHEET NO. a L W N B-2 I? to ENGINEERS & CONSULTANTS ATTACHMENT C MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO BOX 331 27 RALEISH. 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T T E V?/ z 0 ? / G r r t J -jzi_,, tLo_J L9<E t7 ENGINEERS & CONSULTANTS ATTACHMENT D MULKEY INC. 6750 TRYON ROAD CARY, NC 27511 PO Box 33127 RALEIGH, NC 27636 PH: 919-857-1912 FAx: 919-851-1918 WWW.MULKEYINC.CDM t r e -,2-MULKEY ENGINEERS & CONSULTANTS Attachment D Proposed payment to Riparian Buffer Restoration Fund Due to the lack of available area for treatment of the collected stormwater as described earlier in the application, Glenaire would like to make a payment to the Riparian Buffer Restoration Fund. The payment is based on impacts shown in Attachment B-1: Zone 1 Impacts 2,428.0 SF Mitigation Factor, 3X 7,284.0 SF Riparian Buffer Restoration Fund, $0.96/SF $6,992.64 Zone 2 Impacts 2,919.0 SF Mitigation Factor, 1.5X 4,378.5 SF Riparian Buffer Restoration Fund, $0.96/SF $4,203.36 TOTAL Payment $11,196.00 MULKEY INC. 6750 TRYON ROAD CARY, NC 2751 1 PO BOX 33127 RALEIGH, NC 27636 PH: 919851.1912 FAX: 919.851-1918 Ww .MULKEYINC.COM i a Complete items 1, 2, and 3. Also complete item 4 if Restricted Delivery is desired. N Print your name and address on the reverse so that we can return the card to you. o Attach this card to the back of the mailpiece, or on the front if space permits. Article Addressed to: Glenaire Retirement Community 4000 Glenaire Circle Cary, NC 27511-3802 DWQ# 04-1854 - Wake A. Signature Xi, 0 Agent O Addressee B. Received by (Printed Name) C.??tpZ,? D. Is delivery address different from item 1? ? Yes If YES, enter delivery address below: ? No 3. Service Type ? Certified Mail ? Express Mail ? Registered ? Return Receipt for Merchandise ? Insured Mail ? C.O.D. 4. Restricted Delivery? (Extra Fee) 2. Article Number 7004 1160 0002 2706 6783 (Transfer from service label) ? Yes PS Form 3811, February 2004 Domestic Return Receipt UNITED STATES POSTAL SERVICE LISPS • Sender: Please print your name, address, and ZIP+4 in this box • NC DENR Division of Water Quality 401 Oversight Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, NC 27604 First-Class Mail Postage ? Fees Paid Permit No. G-10 o Complete items 1, 2, and 3. Also complete item 4 if Restricted Delivery is desired. U Print your name and address on the reverse so that we can return the card to you. a Attach this card to the back of the mailpiece, or on the front if space permits. 1 1. Article Addressed to: Glenaire Retirement Community 4000 Glenaire Circle Cary, NC 27511-3802 DWQ# 04-1854 -Wake A. Signature ? Agent X fn ?i I: ? .l ari=- C B. Rec'ef ed by (Printed Name) C. Date of Delivery f -? D. Is delivery address different from Item 1? ? Yes If YES, enter delivery address below: ? No 3. Service Type ? Certified Mall ? Express Mail ? Registered ? Return Receipt for Merchandise ? Insured Mail ? C.O.D. 4. Restricted Delivery? (Extra Fee) ? Yes i z. fvuciervumoer 7004 11160 0002 2706 7254 (rransfer from service label) ' PS Form 3811, February 2004 Domestic Return Receipt UNITED STATES POSTAL SERVICE Postage 8 Fees Paid LISPS • Sender: Please print your name, address, and ZIP+4 in this box • NC DENR Division of Water Quality 401 Oversight/Express Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, NC 27604 First-Class Mail Permit No. G-10 DWQ# Date 1 Z ?? ` Who Reviewed: ) Plan Detail Incomplete 1 ? Please provide a location map for the project. ? Please show all stream impacts including all fill slopes, dissipaters, and bank stabilization on the site plan. 4 Please show all wetland impacts including fill slopes.on the site plan. LW, k a?? ? Please indicate all buffer impacts on the site plan. ? Please indicate proposed lot layout as overlays on the site plan. ? Please indicate the location of the protected buffers as overlays on the site plan. ? Please locate all isolated or non-isolated wetlands, streams and other waters of the State as overlays on the site plan. ? Please provide cross section details showing the provisions for aquatic life passage. - - - - -: ? Please locate any planned sewer lines on the site plan. OJ_4 I u,v?e e . Please provide the location of any proposed stormwater.management practices as required by 8C' `?.? ? Please provide detail for the stormwater management practices as required by GC ? Please specify the percent of project imperviousness area based on the estimated built-out conditions. ? Please indicate all stormwater outfalls on the site plan. ? Please indicate the diffuse flow provision measures on the site plan. ? Please indicate whether or not the proposed impacts already been conducted. ; Avoidance and/or Minimization Not Provided ? The labeled as on the plans does not appear to be necessary. Please eliminate the or provide additional information as to why it is necessary for this project. ? This Office believes that the labeled on the plans as can be moved or reconfigured to avoid the impacts to the Please revise the plans to avoid the impacts. ? This Office believes that the labeled on the plans as can be moved or reconfigured to minimize the impacts to the Please revise the plans to minimize the impacts. ? The stormwater discharges at the location on the plans labeled will not provide diffuse flow through the buffer because Please revise the plans and provide calculations to show that diffuse flow will be achieved through the entire buffer. If it is not possible to achieve diffuse flow through the entire buffer then it may be necessary to provide stormwater management practices that remove nutrients before the stormwater can be discharged through the buffer. Other ? The application fee was insufficient because over 150 feet of stream and/or over 1 acre of wetland impacts were requested. Please provide $ . This additional fee must be received before your application can be reviewed. ? Please complete Section(s) on the application. ? Please provide a signed copy of the application. ? Please provide copies of the application, copies of the site plans and other supporting information. Mitigation ? of compensatory mitigation is required for this project. 'Please provide a compensatory mitigation plan. The plan must conform to the requirements in 15 A NCAC 2H.0500 and must be appropriate to the type of impacts proposed. ? Please indicate which 404 Permit the USACE would use to authorize this project. e Iko- uS Aw G? 3 U ., `z VA 1s G?J?a ?j ? JaD OY-"Ljj "I ( V\IOA P l? gva?? ??nnl ? ? ? u , -16 M-0- A1,13 If-Mk f\Aa- Q-t-JaA-?-i qL M-)?+- Pit O-z-c-D CL/J- Cw?s???T?'" ?,e-cess ojf%e-o- lam W o F? G1 u?'' w/ AZk, wo" r:i-a„,Q an U?-WL 116 Irl""u °a °a??z IMP. i i ,;d i • sr, CALLOWAYJOHNSONMOOREWEST EN[31NEERS & CONSULTANTS w wr PO BOX 33127 ..tom 9~r - sX rx RALEIGH, N.C. 27fi3fi ARCHlfECTUREfNGNEERNG~NTERDRDES[GN (9191 851-1912 € (91 9) 851-1918 (FAX) ~ Kra: e; _ . r _ WWW.MULKEYINC.COM One Salem Tower 119 8rookstown Avenue .r x uuu,,, Winston-Salem, NC 27101 336-724-1503 ```,~,1 rl~~~'i e , caRO~ ~ • I ' . 0 . ''ES [ Z: ~ r t ~.q~. - . - 1 :2. '~'f~' 1N I ~ ti . P~ 0~ qFl D ~ nn? \ ~ ~ ~ ~ ~ r~ r ~ r--- ~ L J D n U CX ~ ~I 1 U CX ~ U \ ~ ~ ~ ~t~~~o f~ ~ ~ _ ~ ~ \ 1 ~ - nn II / - , ~ ~ ~ ~1 \ 1 \ ~ / I~ Ii / \ _ ~ I ~ ~nr 'I I ~ ' \ ~ ~ 1 ~ NOTE f 4 \ ~ ~ I I ~ . ~ ~ ~ ~ ~ \ ~r 1. CONTRACTOR TO FIELD VERIFY THE EXISTING PIPE'S ~ ~ ~x ~ ~ ~ \ INVERTS AND TIE INVERTS. CONTRACTOR MAY ADJUST INVERTS ` AS NESSARY TO PROMOTE POSITIVE FLOW OUT OF SYSTEM. i ~ i n~ I 1 I , ~J ~ •i ~ - ~ . 0 1 2. SLOPES MUST BE STABILIZED BEFORE INSTALLATION OF THE UNDER I DRAIN SYSTEM. ~ ,r 1 r ~ , \ ~ r ~ _ >_1 \ ~ ~ ~ 3. ALL SEDIMENT AND EROSION CONTROL PRACTICES SHALL BE W PLACE \ \ AND THE SLOPES DRAINING TO THE BIORETENTION AREA SHALL BE STABILIZED BEFORE CONSTRUCTION OF THE BIORETENTION AREA BEGINS. ~ ~ ~ 4.UNDERDRAlN SYSTEM SHALL BE PERFORATED SCHEDULE 40 PVC AND SHALL V \ ~ o k ~ i V \ ~ ~ a~ ~ - _ ~ ~ 1~ A ~ i BE WRAPPED IN A GRAVEL JACKET. 5. SHREDDED HARDWOOD MULCH SHOULC BE UNIFORMLY APPLIED APPROXIMATELY ~ ` ~ ~ ~T i i ~ \ _ 2 TO 3" W DEPTH. MUST BE WELL AGED(STOCKPILED FOR 12 MONTHS), UNIFORM IN COLOR, AND FREE OF FOREIGN MATERIAL. \ I 6. PLANTING SOILS FOR BK)RETENTION TYPE AREA SHOULD BE SANDY ~ ~ V ~ 4 ~ 2---- \ LOAM OR LOAM TEXTURE WITH )0 TO 25% CLAY AND 35% SAND. - ~ ~ r'_ ~ \ ~ "464 sro,, 7. SANG SHALL BE FREE OF DELETERIOUS MATERIAL AND ROCKS GREATE THAN 1 DIA. / ~ ~ t ~ \ ~ S ~ B. ALL PLANTS TO COMPLY WITH AMERICAN STANDARD FOR NURSERY STOCK. - ~ \ ~ 6 9 _ ' q _ ~ \ \ ~ ~ e 6 \ ~ ~ 9. NO SUBSTITUTIONS WITHOUT APPROVAL BY THE ENGINEER & TOWN OF CARY. ~ \ ~ I - ~ \ ~ ~ ~ ~ .~A A - -.u A ~ i - \ ~ \ , IJV RAINA A ~ ~ I ~ . vJ ~ - ~ S revlslon RETAINING NV-~ 7 , ~ ~ , r, ~ 14 ~ r~ ~~I ~ ~ _ (APPROX. 2' HIGH) 5' ti _ ~ ~ r ~ ~ , EXISTING BUILDING ~ ~ ~1.,,~ \ ~ ~ ~ / ( , \ \ ~ \ I r _~;o \ 15'x45' BIORETENTION , A . NjA . _ ` ` _ _ ~ .Y , EXISTING STORM D LiS~ ~ , „ , ~ ~ ~ ~ AREA I ; . ~ F - - - ~ ' DRAINAGE FROM ~ - 7, - ~ ~ „ ~ysy. \ ` BERM PARKING LOT ~ - ~ ~ \ rte- ; - r~ ~ ~ ~ ~ \ ~ ~ ~ ~ \ ~ ~ 1 WIDE SAND BED ~ _ - _ r CEIVE FLOW 14 LF, 8 PVC ~ _ ~:~'b FROM DOWNSPOUTS l ' ._~5~ RQOFI.INE OF PROPOSED'-,-~--~-?'", ; ~ ~ ~ \ ~ ~ 5' WIDE ~ RFO ATED b- - ~ PVC 0.5°h SLOPE _..-,WELLNESS CENTER EXPANSION \ ; , 'lam GRASS BUFFER ~ \ _ ' ~ ~ ~r i G4 INV. IN=460.41 ~ ~ ~ r - ~ TO BIORETENTION AREA - - ` \ , ~ r,. RIM-465:5aw _ `~"~-,,~_~4 ,1, J i = , 09b Wit' ' J _ ` _ L i i ~ ~ E~ ~98'~ 1N-46~:27~~ ~1 . ~ ,u r, ; ~ MAR 3 005 _ I 2 2 ~ ,l ~ : ...(a"~ 11~-460:27.; ~ ~ ; r'~~...-.---'- ~-r , ~ ~ - . , r~ i" , ~ / ~ ; I= ~ , DENR-WATER QUALITY 1 _ 4 i - -{16"} BUT--4b$:27 ) r ~ ~ RANCH ~ ~ ' WETLANDS AND STORMWATER B 0 ~ ~ FISTING PIPE Tf? BE EXTENDE . - ,,:lad ` . ;rkz:.: Jam. _ ~ ~ Ns N` - - - r ~ ,46 19~ ~ =TOALLOW~FPA IQ ~ - , ^1 _I ~ I ~ -~iw.~~~~ 1 i i ~ti - ~ _ . 1 ~ : ~ ~ ~ 01 o._ . ~ ~ 1 k W f-- I - - ~ ~ ~ ~ °l ' z , - ~ z o C(1 ~ -s- ~i ~ e; w - ; . i U _ ~ 7i `i' ~ . ~ (STING PRECAST BOX ROOFLINE OF EX REFER TO DETAIL ~ z cn WELLNESS CENTER ~ ~ ' i ) Q TO BIORETENTION AREA I, Y, ~t~_. c.n , _ w ~ II~ z w Yom, I I PRECAST CONCRETE BOX ~ G S ORM ' i I PLANTS OUTSIDE DIMENSIONS 4' X 3' _1 EXISTIN T DRAINAGE FROM ~ ~ SEE NCDOT DTL.840.14 ~ ~ W PARKING LOT 466.00 GRADE 0 FINISHED 465.5 ,465.50 2 465.33 • 465.33 SEE NCDOT DTL.840.16 OVERFLOW FOR FRAME & GRATE 466.00 Copyright 2004 PLANTING SOIU 4' MIN PROTECT 4" ORIFICE ' " Calloway Johnson Moore ~ West, P.A. ORGANIC SOIL INVERT 2 4 OPENING WITH MESH I 465.50 ORIFICE TRASH PROTECTfON 461.33 461.33 6" PERF. PVC SAND 1' MIN - sheet 460.33 60.33 ' .4 ; 6" PERFORATED •-•••flUTLET PIPE I ' BIORETENTION INVERT "PVC 8 GEOTEXTILE FABRIC VC 460.41 P @ P SITE LA 460.41 INVERT 9 4 SF 89 B ILDIN ED U N FR M PROP R TENTIO AREA T BI E 460.41 sc~, r ~ 3 4 2 F CROSS-SECTION 0 B ILDI I TI NTI N FRO A R T . T BI , i OF BIORETENTION PERFORATED RISER O' ZO' 40' I LAYERS FOR BIORETENTION a 1 SF 63 T TION F RBI RE E RE I ED REA R date: March 21, 2005 0 , commission:04-0030 m 675 SF P REA F R BIORETENTION ROVIDED A 0 o _ drawn bv:CW/RF/WS _ o 0 N \ N m 0 10 11 i c 9 ti O ti f , D F- ~ xo:T. O .,r ~n ,M, Now* Tar' r G a CALLOWAYJOi~NSONM00REWEST i' ENGINEERS & CONSULTANTS _ , PO BDX 331 27 RALEIGH, N.C. 27636 U • NG RN TER~RDES]GN ARCHITECT kE E NEE G N j (919) 851-1912 (919) 851-1918 (FAX) ' WWW.MULKEYINC.COM One Salem Tower t19 Brookstown Avenue ui Winston-Salem, NC 27101 336-724-1503 ``,~U~t tu~,r~ ~ ~ ~ ~ CA a Rp . 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IV ~ _ - - ~ _ _ ~ R_. - r i VI ; i _ _ , _ A - ~ i,#-t; f _ - - ~ ~ r i ~ ~ 4 1 ~Y! .il f , W ' ~ ~ i ii, ~ i,, - ~ ~ ~~F 1 - f ~ 1 ` _ I , - ~ f`'~-. ~i ~ ~ ~ , , _ ~ i ,av~ I~~ .o- , . . _ i' , i; r i i, - - ` , W _w ,P. i - \ .._r___ _ _ v.. i t.y~i ~ F ~ i~ ~ ~ ! ~ - ~ ; r, _ _ 1~ __ww~,.a~ 1 _ : - ~ Copyright 2004 Ii I i ~ s u~ I _ - ' ~ Y t- ~ ~ - ~a , __-rte , i i r ~ ~~+5"'^".~.,r ~ 4- ~ r~ - ~ ,,11,.. ,i~,; Cal to y Johnson Moore 8~ West, P.A. " wa - i ~ r F ~ . T ! r. .__.~._v~: ~ s i , . T, ,ut _ a ~ ~ ,Iii T i~ - ir_•t~ )`I t ' t y S f ~ ~I ~ e~ !f ,'r ~ - ~ ~i ' ~ ; ~ g ~ i r, ~ f' f r f._: sheet ~ _ } .~w_~~. ~ o4-sP-»3 EXISTING . F-.~ -._,.z _ ~ APPROVED ~ ~ ~ ~ i ~ I ~ CONDITIONS - f ~ ' ~ TOWN OF CARY T N RTHWES 0 , ~ ~ r 7~ I~ Approved by Date 11 - ..a~_`:,~.. CORNER 1 , ~i - i ~ ~ - I ~ 1 i _ ~ Planning Date ij ~ ~ is-: i a~d.~ ~ P ~ ~ a . i 1 Engineering Date ~ ~ s ' J - SCALE. l 30' 0 0' 30' sp' date: October 20, 2004 m irv~ . ~ ~ ~ commission: 04-0030 Q 0 ~ is _ ~ ~ s a, ~ ~ ~ ~ ~ ; ".4n, ~ S~ r 0 drawn by:CW/RF/WS u r o 1 10 a Q x Ii ill ~ ~ , ~ n CD 0 t Y, ,w ~ y ~ a , ~ , R x . ~ ~ ~ ; - R~ _ _ _ pQ _ i) CALLOWAYJOHNSONM OOREWEST ENGINEERS & CClNSULTANTS PO BDX 331 Z7 RALEIGH, N.C. 27636 ARCHITECTURE~ENGNEERNG~NTER~IROESIGN 1919) 851-1 91 2 (919) 851.1918 (FAX) WWW.MIJLKEYINC.COM One Salem Tower 119 Brookstown Avenue Winston-Sa I em. NC 27101 336-724-1503 o~..; . r _ ~ . ~ : pF _ ~ ~ I i 1' = ~ ~ ~ l i , . , F 4 ` I j 9 , r,;~a p, u~ I L G _ G_ I I ~ - I ~ , ~ 4 r ~ it • ~ ~ ~ `l I I ~ I i ~ ~ ~ ~ ~ ( j ~ ~ ~ . ••.N • ~ ; r~ . GINE,. v . ` ~J$ ~ ~ ~ i I' ~ ~l I , cy ' P~' I ~~4 qFl D' i t ,r;~`i ~ ~~~i 3 ui NOTE ~ , 'I ~ 1 ~ 1 1 i ~ i 1 i. CONTRACTOR TO FIELD VERIFY THE EXISTING PIPE'S - I i ~1 INVERTS AND TIE INVERTS. CONTRACTOR MAY ADJUST INVERTS • 4 -r • ~~~I 'h.v v ~ t l i~ I - ~ , ~ ~ t' - I AS NESSARY TO PROMOTE POSITIVE FLOW OUT OF SYSTEM. i ~ ; , ~~CULV~RT ;~r<, 2. SLOPES MUST BE STABILIZED BEFORE INSTALLATION OF THE UNDER --45~ ~ ; ~ , ~ - ~ DRNN SYSTEM. - ; ~ ~ ~ , , i '.W~I~EADWALLIS~, ~ ~ ~ ~ _ ` 3. ALL SEDIMENT AND EROSION CONTROL PRACTICES SHALL BE IN PLACE AND THE SLOPES DRAINING TO THE BIORETENTION AREA SHALL BE STABILIZED _ - _ ~ ' ~ Y i ~ i ~ BEFORE CONSTRUCTION OF THE BIORETENTION AREA BEGINS. r I ; i.~ ~i', ~ rte', ~ i 4.UNDERDRAIN SYSTEM SHALL BE PERFORATED SCHEDULE 40 PVC AND SHALL BE WRAPPED W A GRAVEL JACKET. 1 • ..~_s. y _ - • . \ ~ ~ ~ II - - 5. SHREDDED HARDWOOD MULCH SHOULD BE UNIFORMLY APPLIED APPROXIMATELY - - _ - 1_ l ` ~ ` , _ - - - " 2 TO 3" IN DEPTH. MUST BE WELL AGED(STOCKPILED FOR 12 MONTHS), UNIFORM IN COLOR, AND FREE OF FOREIGN MATERIAL. µ , ~ . , t~ 6. PLANTING SOILS FOR BIORETENTION TYPE AREA SHOULD BE SANDY ''L'~ LOAM OR LOAM TEXTURE WITH 10 TO 25% CLAY AND 35% SAND. - ~ ~ ~ V ~ r ~7 ~ - 7. SAND SHALL BE FREE OF DELETERIOUS MATERIAL AND ROCKS GREATE THAN P' DIA. • ~ . . 1 _ _ • • ~ , ~ ~ ~ ~ \ } ~ . ~ i r- ~ ~ ~ - l - .L _ - _ \ ~ I ~ . B. ALL PLANTS TO COMPLY WITH AMERICAN STANDARD FOR NURSERY STOCK. ~ . • 3 ~ I ~ i 9. NO SUBSTITUTIONS WITHOUT APPROVAL. BY THE ENGINEER & TOWN OF CARY. l - 1 l I _ ~ ~ ~ I i ~ - i y;i r , i ~ _ ~ ~ ' ~ ~ I~ ~ ~If; RA, ~T k~rM, ; I _ i ~ I ~ - ~T..` i r-'•` ~ RETAINING - ~ ~ N , '1NV=' .7.5 h~ ,t - - .r'^6 B , , APPROX,1 ~IIGN) _ ~ i~ "~eyi~~ )~,F1 '1-~_ V 1 }%~;;~'v ~i (1~~ x)`_17 TREE SHALL HAVE SAME RELATION TO GRADE AS IT HAD IN NURSEY O , , - ~ - NEVER CUT LEADER 1 - V ~ ~ S _ , - - _ } f " P TR d d RUBBER HOSES 2/3 U EE ' ~ ~ ~`l ' _ ~ ~ ~ , - r8V I S I OnS GUY WIRES W/ TURNBUCKLES Q\- 2 PER TREE a ~ ~ k ~ - ~ - - - _ - _ 17 ~ , r. i ~ ~ _ _ _ -r- - 4 ~ ~ _a~.• ~ _ _ ~ _ , , ~ - ` ` ~ STAKES - 2 PER TREE , - _ ~ ~ ~ ~ 3" MULCH - , - - 4 ~ _ ~ ~ ~v - _ ~ , ~ , - . ~ ~ d . CS ~ ~ , , , . AG - ~ - - ROTOTILLED NATIVE SOIL q ~ ` ~ r ~ ; ' ; ~ _ AMMENDED AS PER SPECS -R A r7, ~ . , i ~ r ~ ~ ` ~ r, - ~ ~ SAUCER AROUND PIT 4j _li'~, ' r' .,.._51.,.1 j ~r ~ i ~ - _ - - t.t _ _ ~ . a , ~ i i _ _ _ _ - - . ~ _ r ,~_,t ~ _ y~~ ~ ~ - - I ~ `jt~ - ~ CUT ANO REMOVE BURL ,-F~I r~. = 1 - ~ - , - ~ ~ ~ ~ ~ _ ~ , - ~ ~ ~ ~ ~ ' r i ~ FROM TOP 1/3 OF ROOTBALL L_f - , - ,o,t~ ~ ~ . - SCARIFY SUBSOIL ~ ~ _ I _ A ~ - ~-~-~~1 _ . - _ ~ ~ \ ~ 1 ~ ~ i_ , . _ - i ~ ~ .1 --r - - ~7 ~V~~~ } ~-1..` -ill-~.-~_.- - _ ~ _ .r' _ E , ~ SHRUB PLANTING DE T Aid. w~._ . _ , - , _I I - . - - ~ _I ° " - _ 1 2 ' ~ • ~ ~ _ ~ ~ I ~ I c_ C_~ ~ ~ , I ~ ; ~ _ _ DC QP ~ ~ ' - PRUNE AND THIN DECIDUOUS TREES ~ APPROXIMATELY 1/3 OF INITIAL BRANCHES. ' _ , ~ ~ ; ,_,I j ~ -i- _ ~ ~ 1 ~ _ , -t ~ , _ ; 4 2 ~7 AA , GARDEN HOSE, %Z" DIA. MIN. BK-- ~ BN ~ ~ f~, DOUBLE STRAND - 12 GAUGE GALVANIZED WIRE TWISTED 3- 2 X 2 HARDWOOD STAKES PER TREE, W ' ~ - SPREAD t20 DEG. APART i_ ~ TREE WRAP FROM GROUND TO FIRST Z \ BRANCHES - 50% OVERLAP z r, 3" MULCH OVER BERM 4" EARTH BERM TO FORM SAUCER E--i TAMP OR WATER TOPSOIL MIXTURE AT 6 INTERVALS , l PERF PIPE DRAINAGE IF SHOWN ON PLAN Z _ - _ ; Q O S" MW. BETWEEN BALL AND BOTTOM OF EXCAVATION W LOOSEN SUBSOIL AT BOTTOM OF Z EXCAVATION TO 6" MIN. DEPTH -TAMP W THE OWNERS OF THE PROPERTY AND THEM AGEI THE IJSTALLATION, PRESERVATION AND MAWTENAN AND THEIR AGENTS, HEIRS SHALL BE RESPONSIBLE FOR AND MAWTENANCE OF ALL PLANTINGS AND PHYSICAL ~J FEATURES SHOWN ON THIS PLAN. THE OWNERS SI MNNTENANCE OF THE VEGETATION TO AJCLUDE B .THE OWi~RS SHALL BE RESPONSWLE FOR ANNUAL TREE PLANTING DE BUT NOT LIMITED T0~ N TO AJCLU A. FERTILIZATION LAWN FERTILIZE LAWNS TWICE AND AGNN SEPT.1- OCTOEIER 31) ACC ZE LAWNS TWICE PER YEAR (FEBRUARY 15- MARCH 15 K;TOBER 31) ACCORDING TO SOIL TEST. FERTILIZE WARM SEASON GRASSES ONCE DURING GROW :E DURING GROWING SEASON PER SOIL TEST. B. PRUNING PRUNING SHALL 8E L1/TEO TO RE6 L1/TED TO REMOVAL OF DEAD W000 OR BRANCHES NOTES PRUNE AND THIN DECIDUOUS SHRUBS ARDS 1. SOIL IrbX - I/3 ORGANIC f -APPROX. 113 OF INITIAL BRANCHES TO Copyright 2004 FOR TREES OR FOR SIGHT DISTANCES SHOULD BE ADHERED TO. T?1E PRUNING SIGHT DISTANCES/SAFTEY REASONS. THE SI~GO STAND MATTER, 2/3 EXIST. SOIL. COMPENSATE FOR LOSS OF ROOTS T0. TFE PRUNING OF SFMiUBS SHALL BE LI~NTED TO THE 2. WIDTH OF PLANT PIT WHILE DIGGING. FOLLOWING PRUNING Ca I I oway Johnson Moore ~ West. P. A. PRUI~NG NECESSARY TO MANJTAIN THE TO MAWTAIN THE NATURAL SHAPW OF THE PLANT EXCEPT -SANDY SOIL, 24" WIDER PLANT SHALL MEET SPECIFIED SIZE. FOR SHEARED HEDGES. i. THAN PLANT BALL - CLAY SOIL 12" WIDER 4" MULCH MIN. PER SPECIFICATION C. PEST CONTROL~PRE-EMERGENT WEED CONTf :NT WEED CONTROL FOR LAWNS AND SHRUB BEDS MAY THANPLANT I~iALL 4" EARTH BERM TO FORM SAUCER. RY. CHEMICAL TREATMENT FOR WSECT INFESTATION AND 3. FRE BLONµ. HAS BEEN CON- REMOVE ALL METAL/PLASTIC CONT. PLANT LIST BE APPLIED IN FEBRUARY. CHEMICAL TRI DISEASE MAY BE APPLIED ANO SHALL E EO ANO SHALL BE SPECIFIC TO THE PROBLEM. P~TED BY EQUIP. CONTACT ~ PRIOR TO PLANTING. SLICE FIBER TOTAL COMMON NAME PROJ CALIPER ROOT SPACING - " T BEDS. ENGINEER PRIOR TO PLANTWG. ROOTS IN THREE PLACES TO ALLOW BE MpINTNNED AT A DEPTH OF 2 3 IN PLAN 4. FOR CAMELLIAS RHODOS, ROOT GROWTH. COUNT KEY BOTANICAL NAME HT. D. MULCHING MULCHING SHALL BE MAINTANED I ACER RUBRUM RED MAPLE 40' . 2%z" DI 2g GAL, A S MULCH SHALL BE REAPPLIED EVERY T 2 AR rpPLIED EVERY TWO YEARS. AZALEAS AND LAIIRELS~ LOOSOEN BURL ONABALLEM/ ALLOW Sheet SOIL MD( 2/3 ORGANIC AND ITT REMNN 2 QP QERCUS PHELLOS WILLOW OAK 40' * 2~/2" DI 25 GAL. A S E. MOWING PRIMARY FESCUE LAWNS SHALL BE AWNS SHALL BE MAWTANED AT A HEIGHT OF 3" AND t/3 EXISYWG SOIL. TAMP OR WATER TOPSOIL MIXTURE BN BETULA NIGRA RIVER BIRCH 25'-45 2%2' DIA 25 GAL. A S SHALL BE MOWED APPROXIMATELY 30 ' 2 tOXIMATELY 30 TIMES PER YEAR. SECONDARY TURF AREAS MAY 5. SHRI~ SHALL BEAR SAME AT 6" INTERVALS. R LATIONSHIP TO GRADE AS I O N E T N TE E R BI AND LESS FREQUENTLY. WARM TURF AREAS MAY BE IT DW PRIOR TO DIGGING. 4-6' 5 GAL. A S BE MNNTAINED HIGFIER AND LESS FREQ 4 BK BERBERIS KOREANA BARBERRY 3 MAINTAINED HIGHER AND LESS FREQUEN LESS FREQUENTLY. WARM SEA50N GRASSES SHALL BE 4 MP MYRICA PENNSYLVANICA BAYBERRY 6'-8' 3' 5 GAL. A S MOWED AS NEEDED DURING THE GROWII 0 MAINTNN THE RECOMMENDED N EASON T P LNG S G T E GROW I N G H NT RIN LA P :S OF TURF GRASS. SHRUB PLANTING DETAIL OSLER DOGWOOD 8'-10' 3' 5 GAL. A S HEIGHT OF THE SPECIES OF TURF GRA' 4 CS CORNUS STOLONIFERA RED EDTOP 2'-3' 3' 1 GAL. 12" O.C. F. PLANT PROTECTK)N~ AVON EXCESS INTRUSIO 138 AA AGROSTIS ALGA R :XCESS INTRUSION WTO THE ROOT ZONE AREA Of 'S. BLUEJOINT 2'-3' 3' 1 GAL. 12" O.C. ESTABLISHED PLANTINGS. 138 AG ANDROPOGAN GERARDI N SYSTEM LS UTILIZED, THE SYSTEM SHALL BE RECOMMENDED 35 DC DESCHAMPSIA CAESPITOSA TUFTED HAIRGRASS 2'-3' 3' 1 GAL. 12" O.C. G. WATER~IG~ IF ANY RRIGATION SYSTEM IS UT REGULATED TO PROVIDE APPROXIMATE IDE APPROXIMATELY r' OF RAINFALL PER WEEK DURING THE PLANTING SOLS~ f GROWING SEASON. pH RANGE 5.5-6.5 ORGANIC MATTER 1.5-3.0% dote: March 21, 2005 m FAILURE TO MAINTNN ALL PLANTNrGS N ACCORD VIOLATION OF THE UNTIED DEVELOPMENT ORDINI 'WGS W ACCORDANCE WITH THIS PLAN MAY CONSTITUTE A MAGNESIUM (Mg)~ 35L8S/ACRE WES. PHOSPHORUS (P20s)~ t00LBS/ACRE :LOPMENT ORDWANCE AND MAY RESULT W F COIf111i SS i on; 04-0030 0 POTASSIUM (K20f~ 85LBS/ACRE SOLUBLE SALTS NOT TO EXCEED 500 ppm drawn b :CW/Rf/WS ° y r o r N m 0 10 c F1I 2 3 4 5 6 7 rn 0 N 0 n 0 J a _ CALLOW AYJOHNSONM OOREW EST ENGINEERS & CONSULTANTS PO BDX 331 Z7 RALEIGH N.C. 27636 ARCHITECTURE•ENGNEERNG•NTERDRDESIGN 1919? 851-1912 {91 9) 851.191 8 tFAX) One Salem Tower 119 8rookstown Avenue WWW.MULKEYINC.COM Winston-Salem NC 27101 336-724-1503 ~~~~~unwq~~~ ~ CARD ~4i < < . ~ : S - ! 2 E Q..~'2; i INE~; ~ qFl 0 . 3 i , f \ \ "/I ~ i J CJ Y\ U ~ I 4 U ~ 1~ U ~ ~ ,l _ ~ ~ l ~ ~ q ~ . ~ ~ . , / 1 ~ \ ~ ~ I ~ ~ , r 1~ I \ ~ - , i ~ 1 ~ + NOTE I t. CONTRACTOR TO FIELD VERIFY THE EXISTING PIPE S ~ t.=T. ~ lei i \ S ~ / , ~ \ INVERTS AND TE INVERTS. CONTRACTOR MAY ADJUST ~JVERTS \ AS NESSARY TO PROIJOTE POSITIVE FLOW OUT OF SYSTEM. ~ ~ ~ ~ i ~ ~ t ~ ~ ~ ~ , ~ x:48- ~P i t ~ 4 N \ y, ~ y,, ~ 0 1 2. SLOPES MUST BE STABILIZED BEFORE INSTALLATION OF THE UNDER \ DRNN SYSTEM. ~ 6. i . ~ ~ _ ~ ~ ~ ~ ~ ~ ~ ~ ~ , ~ : c BERT I ~ 4:_~~+,~~ , ~ ~ 1 \ ` ~ ~5 N CONTROL PRACTICES SHALL BE IN PLACE b ~ ~ 3. ALL SEDIMENT AND EROSIO _ i 1 ~ ~ AND THE SLOPES DRNNING TO THE BIORETENTION AREA SHALL BE STABILIZED BEFORE CONSTRUCTION OF THE BIORETENTION AREA BEGINS. i ~ 4.UNDERDRNN SYSTEM SHALL BE PERFORATED SCHEDULE 40 PVC AND SHALL ~ ~ ~ , ~ ~1 ~ \ ~ 4 ~ ~ 1 BE WRAPPED IN A GRAVEL JACKET. ~ ~ ~ - r=- - ~ , ~ ~ ~ S. SHREDDED HARDWOOD MULCH SHOULD BE UNIFORMLY APPLIED APPROXIMATELY 2 TO 3" iN DEPTH. MUST BE WELL AGED(STOCKPILED fOR 12 MONTHS), .r r ~ ~ ~ ~ - - ~ - ~ ~ ~ , ~ i ~ ~ _ UNIFORM IN COLOR, AJJU FREE OF FOREIGN MATERIAL. ~ ~ ~ ~-I ~i i~t>~ i S ~ ~ - _ _ ._w . - - - - 6. PLANTING SOILS FOR BIORETENTION TYPE AREA SHOULD BE SANDY LOAM OR LOAM TEXTURE WITH 10 TO 25% CLAY AND 35% SAND. -._f , , ~ ~ - ~ 64--_- ~ - ` 7. SAND SHALL BE FREE OF DELETERIOUS MATERIAL AND ROCKS GREATE THAN P' DIA. s i ~ B. ALL PLANTS TO COMPLY WITH AMERICAN STANDARD FOR NURSERY STOCK. ' ~ ~ \ - - - I ~ 6 ~ 9. NO SUBSTITUTIONS WITHOUT APPROVAL BY THE ENGINEER & TOWN OF CARY. 1 0~~2 ~ ~ .Q ~ ~ ~ S ~ ~ _ ~ ~ ~ y ~ ~ i ~ ~ \ I ~ l ~ \ ~ r ~ ~ i ~ ~ 4 i- .icy .i; ~ ~ ~ ~4, l I 1 ~ ~ ~ A_ _ _ \ \ tJ \ i e ~ 1 ~ \ \ ~ \ R~INAG AY ~ ~ ~ ~ C ~ \ ~ ~ revisions I ~7 ~ \ - ~ ~ - - ~ ~ i ~ ~ I J ING \ ~ , RETAIN ~ NV- 7 ~ :h, ~~,1 ,r>;~.~; ~ ~ ~ \ HIGH 5 ~ - ~ - ~ ~ - BUILDING ~ „ ~ . , ~ ~ ~ (STING ~ 1, EX a e~ ~ ~ ~ ~ i \ 5' ~ ~ C VERTU 15x45 BIORETENTION ApWALtS EXISTING STORM 1 _ s c~ ~ ~ AREA ~ ~ , ~ . ~ r I ~ ' ~ ~ y~ DRAINAGE FROM 1. - ` \ ~ _ \ - ~ BERM ~ ~ 4 - ° %I. ~ PARING LOT ~ ' ~ i ~ . ~ ~ ~ ~ ~ 1 WIDESANDBED ~ V l 1 \ , f ~ _ _ ~~-<<~-~---~--L~b_ 14 LF, 8 P C ~ ~ r ~ - - _ L ~ TO RECEIVE FLOW ~ 1.Ook . , _ ~-,tt- _ - _ , FROM DOWNSPOUTS ~ ~ RQOF INE OF PROPOSED~~~~- ~ 6"PERFORATED I9b~- ~ ~ `5 P= ~ • 5WIDE o ~ ~ ~ ~ - _WEL"LNESS CENTER EXPANSION ~ ~ ~ ~ UFFER PVC ~ 0.5 /o SLOPE , , ( , k ; ~ , - _ \ ` GRASS B / ~ TO BIORETENTION AREA ° t ~NV. IN-460.41 , ; , f,>~r i~~ . ~-rC ~ r_ ~ (_j 5 ~ ~ ~ ~ ~ ~S4 r- / i MAR 2 3 200 ~ - ~ „ ; a (1~"?'~UT~4SI~;27~ ~ .WATER QUALITY , ~ i' - ~ v C~,. DENR D STORMWATER BRANCH ; ~ DS AN 6 vv ~j'~. ~ y, ' 0 - 0 ~ ~ _ s;~ ~ ~ ~ - ~ ;~X TING PIPE 1'~ B ~(TENDE , r s TgAll ~ , _ i a. _ _ / ~ k , / ~ ''1. - ~s ~ r, ~ ~c.i. - p .r ~ ~ . ~ ~ + ~ p , .,g ~ W ~ 1; g.:. ~ r r r 3 } ~ . , - i ~ ~ ~ ~ - „ L1._ C ~ - ' I i a~ H ::r- Z .~r-. ~ i ~ i,~ ~ ~ O W LX) , t ~ F U - - ~ z . J AS BOX r Q NG PREC T , ROOFLINE OF EXIST( (REFER TO DETAIL) WELLNESS CENTER ~ . cn TO BIORETENTION AREA I ' w ~ L~_ x z L~ ~ ~i- CAST CONCRETE BOX PRE ~ ~ - _ ~ 3' OUTSIDE DIMENSIONS 4 X - EXISTING STORM ' I PLANTS (SEE NCDOT DTL.840.14 ~ ! DRAINAGE FROM f~ ~ I PARKING LOT 466.00 I ED GRADE 465.50 FINISH ~ 465.50 ' 1 465.33 - 465.33 SEE NCDOT DTL.840.16 OVERFLOW FOR FRAME & GRATE 2004 466.00 Copyr ~ ght "ORIFICE son Moore 8. West. P. A. PROTECT 4 Calloway John PLANTING SOIV 4' MIN " MESH k ORGANIC SOIL 4 OPENING WITH E INVERT 2 TRASH PROTECTION + 465.50 ORIFICE i 461.33 = 461.33 " i 6 PERF. t. SAND 1' MIN PVC sheet I . ; - ION ENT 460.33 ET 0.33 IOR 46 B - OUTLET PIPE 6" PERFORATED ' "PVC INVERT ~ ; 8 A P IT S GEOTEXTILE FABRIC pVC 460.41 60.41 4 VERT IN 94 SF 98 B LDING ED UI 460.41 SCALE: P' ~ PROPOS TI N FR M TEN 0 A EAT BI RE R 20' 40' 3 402 SF CROSS-SECTION ING B IL TI G U F M EX . I N RO , TENT 0 N BI RE AR A T 0 E OF BIORETENTION a PERFORATED RISER LAYERS BIORETENTION ' FOR 4 l0 date. March 21, 2005 0 1 SF 63 T N T N I BIORE _ FOR ED AREA . RE UIR . . commission: 04-0030 0 awn b :CW/RF/WS dr Y _ C N n~n~nncn noon ono DI~IDCTCAITIr1Al R7~ ~F rrRVVIUCV /"URC/"1 f VI1 DIVf\L I LIV 1 1 VIV " r N m 0 10 c m a 0 a i 0 J a 1 CALLOWAYJOHNSONM OOREWEST ENGINEERS & CONSULTANTS PD BOX 331 Z7 RALEIGH, N.C. 27636 ARCHITECTURE•ENGNEERNG•NTERDRDESIGN 191 9)851-191 Z (919) 851-1918 (FAX1 WWW.MULKEYINC.CDM One Salem Touter 119 Brookstown Avenue `~,,~nitiui,~~~ Winston-Salem+ NC 27101 336-724-1503 ~ C A R~ ~~i i , t ~y ~ _ - , ~ ~~~I _ - id ~"t. I _ ! i~ R i i/ - ~ , I ~ ~I ( ~ - ~ ~ ~ ~ , I i ~ . I ( - - - ~ ~ ' I I`„~ ~~i l v ~ ~ ' ~ r~ I I ~ i ~ ~ ~ , i 2 1 ~ . O j l , ~ ` I~ ~ ~ji ~ ~ r ~ ~ r ~ tiq ~ P 'b`l r r , r ~ I I ~i i , ` ' i ~ , ~ l I NOTE ' G - -ter rt i ``,I~'" ~ I , ~ ~ ~ I 1 ! 1. CONTRACTOR TO FIELD VERIFY THE EXISTING PIPE'S 48 RCP ~ I ~ ~ ' ~ ' ~ ~ i C~J V ' INVERTS ANO TIE INVERTS. CONTRACTOR MAY ADJUST INVERTS ! AS NESSARY TO PROMOTE POSITIVE FLOW OUT OF SYSTEM. L ~R.~ , - ~ i . , '~-~-,~~sf~ t ~ ~ i 2. SLOPES MUST BE STABILIZED BEFORE INSTALLATION OF THE UNDER ~ ~ ~ J ~ ~ ~ . ' DRAIN SYSTEM, ~ r.~~ ~'~N~-fEADWALh'S~, ~ I 3. ALL SEDIMENT AND EROSION CONTROL PRACTICES SHALL BE IN PLACE ri ~ i I 'i F - l i y f ,,i~ V.~; ! AND THE SLOPES DRWNING TO THE BIORETENTION AREA SHALL BE STABILIZED . ~ t ~ ,j- -~~~i _ ~ \ ~ BEFORE CONSTRUCTION OF THE BIORETENTION AREA BEGINS. f 1 , ~ . ~ ~ ~ , y- , - ti~ f. ~ ~ 4,UNDERDRAIN SYSTEM SHALL BE PERFORATED SCHEDULE 40 PVC AND SHALL _ . \ r 1 _ ~ tip' 1 ~ ~ ~t'~ I ~ - } BE WRAPPED IN A GRAVEL JACKET. r ~ ~ - 1 S, SHREDDED HARDWOOD MULCH SHOULD BE UNIFORMLY APPLIED APPROXIMAIELY _ ~ ~ ' 2 TO 3" IN DEPTH. MUST BE WELL AGED(STOCKPLED FOR 12 MONTHS), - - w _ ~ ~ _ t.. . ~ , 1 'i ~ \ \ SIC„ UNIFORM IN COLOR, AND FREE OF FOREIGN MATERIAL. , 1 z ~1 ~ _ ~ , ~ , , . - ~ " ~ 6. PLANTING SOILS FOR BIORETENTION TYPE AREA SHOULD BE SANDY , - ~ [ is , ~ ~ ~ ~ ~ i ~ ~ LOAM OR LOAM TEXTURE WITH 10 TO 25% CLAY AND 35% SAND, _ - ~ . - ~ ~ -~s _ - ~ j 7. SAND SHALL BE FREE OF DELETERIOUS MATERIAL AND ROCKS GREATE THi i _ ~ ~ ~ ~ ~ ~ ~ s ~ ~ ~ 1 , ~ ~ I, i e ~ _ ~ ~ ~ t~ ~ ~ , , ~ ~ i B. ALL PLANTS TO COMPLY WITH AMERICAN STANDARD FOR NURSERY STOCH . ~ ~ - ~ I i ~ i ~ ' ~ ~ - - - - 9. NO SUBSTITUTIONS WITHOUT APPROVAL BY THE ENGINEER & TOWN OF Cf _ ; a . ~ ~ i - ~ _ . r . N 1" DIA. F' a I~, , ,ap i ~ ),?.a . C~-`- ~ ~J _ ~ it - RY. - . i - ~i I , i~ , v ~ !I R 1 W.......,....,_.- ~ ~ ,....._..........~....._.W._ ' n ~ ~ ~ ~ ~ . ; , r,, ,I I~ ~ ~ ,)i~AINA'(~ "~~~'~A'~~ i ~ , i (~~F'PHi)X. I IIGIi) 5 ~ xr " ~ ~ . i~-aa.. ~ - - ~ ~ TREE SHALL HAVE SAME RELATION ~ ~ r ~ k' r ~ , _ ~ ~ , CUIrV~HT ~ ~ ~ ° _ _ TO GRADE AS IT HAD IN NURSEY ADWACLS.~ O - NEVER CUT LEADER , ~ ~ F ~ d d ~ RUBBER HOSES 2/3 UP TREE t I _ _ 4~ ",y _ _ _ - - 1 - GUY WIRES W/ TURNBUCKLES reVISI011S _ c h ~ 2 PER TREE ~ , STAKES - 2 PER TREE f , 4 4 ~ ~ : , , r , . i ` ~ ~ , 1 f 1Q1, ~ y~ 1, , i ~ ~ 1 _ ,1 . . MP ~ - . , - 2 ~ -f _ ~ 3" MULCH ' _ , . , CS , . AG ~ ~ ~ ` ' ` ~ ROTOTLLED NATIVE SOIL 4 id t>. - r d__ - - . }r. ~ ~k i~ -~t34'-1i~-_ - AMMENDED AS PER SPECS a ' ~ - - _ - - _ ~ _ _ ~ , ~ ~,q~,-- ~ , SAUCER AROUND PIT - , - ~~_r, ~ I ~ ~ ~ , I ~ ~ .l _ L - ~ ~ ~ - , - ~ - -,:-W. < r - ~ , , _ - , 4 r 4; F, r ~ . , ~ , ~ - o ~ - _ ~ - ~ - CUT AND REMOVE BURL - r~ ~ / ~ ~ r- ; j j i I FROM TOP 1/3 OF ROOTBALL ~ - - ! o r P - ~ _ ~ ~ . c, ~ ~ ` " SCARIFY SUBSOIL I I. ~ ~ ' rn ~ a . ,q ~ _ ' x; -,,;I . / 1-- _ _ _ _ -~6 /i ~ - -t -t - - - - ~ _ _-.p.. I . ~ AIL ~ SHRUB PLANTING DET t_ I _ : , 1 , . ~ ~ r1, ~ ~ , ~ I ~ ~ , 1 Q DC p _ - i ~ ~ ..`~,,I ~~i PRUNE AND THIN DEC~UOUS TREES 4 ~ ~ t~.i...-~ ~ 2 - APPROXIMATELY 1/3 OF WITIAL BRANCHES. l BK ~ ~ ~ GARDEN HOSE, DIA. MIN. - r- ~ DOUBLE STRAND - 12 GAUGE GALVANIZED WIRE TWISTED C _ ~ . ' - (1 3 - 2 X 2 HARDWOOD STAKES PER TREE, (~,J SPREAD 120 DEG. APART a TREE WRAP FROM GROUND TO FIRST • i' r ~ BRANCHES - 50% OVERLAP z MULCH OVER BERM O 4" EARTH BERM TO FORM SAUCER W - TAMP~OR WATER TOPSOIL MIXTURE AT 6 INTERVALS U PERF PIPE DRAINAGE IF SHOWN ON PLAN z Q ~ 6 MIN. BETWEEN BALL AND BOTTOM OF Q_ EXCAVATION W LOOSEN SUBS01 A x L T BOTTOM OF Z EXCAVATION TO 6" MIN. DEPTH -TAMP W THE OWNERS OF THE RROPERTY AND THEIR AGENT ~JD THEIR AGENTS, HERS SHALL BE RESPONSIBLE FOR THE INSTALLATION, P?ESERVATION AND MAWTENANCI AND MAINTENANCE OF ALL PLANTINGS AND PHYSICAL FEATURES SHOWN ON THIS PLAN, THE OWNERS SHA MAWTENANCE OF THE VEGETATION TO INCLUDE BUl 'HE OWNERS SHALL BE RESPONSIBLE FOR ANNUAL TREE PLANT) W TO INCLUDE BUT NOT L~IITED T0~ NG A. FERfiiLIZATION~ LAWN FERTILIZE LAWNS TWICE I AND AGAIN SEPT.1-OCTOBER 31f ACC01 :LAWNS TWICE PER YEAR (FEBRUARY 15- MARCH 15 TOBER 31f ACCORDNJG TO SOIL TEST. FERTILIZE WARM SEASON GRASSES ONCE DURNG GROWINI DURNG GROWING SEASON PER SOIL TEST. B. PRUNING PRUNING SHALL ~ LYTEO TO RENO' .YTEO TO REMOVAL OF DEAD W000 OR BRANCHES NOTES PRUNE AND THIN DECIDUOUS SHRUBS FOR TREES OR FOR SIGHT DISTANCES/S SHOULD 8E ADHERED TO. THE PRUNING I SIT DISTANCES/SAFTEY REASONS. THE SHIGO STANDARDS 1. SOIL MIX - i/3 ORGANIC ~-APPROX.1/3 OF INITIAL BRANCHES TO THE PRUNING OF SHRUBS SHALL BE LIMITED TO THE MATTER, 2/3 EXIST. SOIL. COMPENSATE FOR LOSS OF ROOTS Copyright 2004 PRUNgVG NECESSARY TO MAMITAIN THE I MAMITAIN THE NATURAL SHAPW OF THE PLANT EXCEPT 2. WSDTH OF PLANT PIT WHILE DIGGING. FOLLOWING PRUNING COI I OWO Johnson Moore $ West+ P.A. ANDY SOIL, 24 WIDER PLANT SHALL MEET SPECIFIED SIZE. y FOR SHEARED HEDGES. THAN PLANT BALL - CLAY SOIL 12" WIDER 4" MULCH MIN. PER SPECIFICATION PLANT LIST C. PEST CONTROL PRE-EMERGENT WEED CONTROI BE APPLIED N FEBRUARY. CHEMICAL TREA T WEED CONTROL FOR LAWNS AND SHRUB BEDS MAY THANPLANT BALL 4„ CHEMICAL TREATMENT FOR INSECT INFESTATION AND 3. FOR PLANTNJG AREAS EARTH BERM TO FORM SAUCER. TOTAL KEY BOTANICAL NAME COMMON NAME PROJ CALIPER ROOT SPACING DISEASE MAY BE APPLIED AND SHALL BE I AND SHALL BE SPECIFX: TO THE PROBLEM. PACTED BY ~Ip BEN CON- REMOVE ALL METAL/PLASTIC CONT. COUNT HT. QU ONTACT ~ PRIOR TO PLANTING. SLICE FIBER MAINTAINED AT A DEPTH OF 2-3" IN PLANT BEDS. ENGNIEER PRIOR TO PLANTING. ROOTS IN THREE PLACES TO ALLOW 2 AR ACER RUBRUM RED MAPLE 40' ~ 2~/z~~ DI 25 GAL. A S D. MULCHING MULCFpNG SHALL BE MAINTNNED AT WI OW OAK i MULCH SHALL BE REAPPLED EVERY TWI 2 QP QERCUS PHELLOS LL 40 2/p DI 25 GAL. A S 'LIED EVERY TWO YEARS. 4. FOR CAMELLIAS RHOD05, ROOT GROWTH. AZALEAS AND LAl(RELSt LOOSEN BURLAP AT STEM/ ALLOW 2 8N BETULA NIGRA RIVER BIRCH 25'-45 2%z' DIA 25 GAL. A S E. MOWING PRNIARY FESCUE LAWNS SHALL BE MI SOIL MIX 2/3 ORGANIC AND IT TO REMAIN ON BALL. Sheet INS SHALL BE MNNTAINED AT A HEIGHT OF 3" AND 1/3 EXISTING SOIL. 4 BERBERIS KOREANA BARBERRY 4-6' 5 GAL. SHALL BE MOWED APPROXIMATELY 30 TIh BK 3 A S BE WWTAINED HIGHER AND LESS FREQUE XIMATELY 30 TIMES PER YEAR. SECONDARY TURF AREAS MAY 5. SHRUB SHALL BEAR SAME TAMP OR WATER TOPSOIL MIXTURE VD LESS FREQUENTLY. WARM TURF AREAS MAY BE RELATIONSHIP TO GRADE AS AT 6" INTERVALS. 4 MP MYRICA PENNSYLVANICA BAYBERRY 6'-B' 3' S GAL. A S MAEITAINED HKK;IIER MID LESS FREQUENTL u IT DID PRIOR To olccwG. BIORETENTION LESS FREQ ENTLY,WARM SEASON GRASSES SHALL BE ~ MOWED AS NEEDED DURNG THE GROWING 4 CS CORNUS STOLONIFERA RED OSLER DOGWOOD 8 10 3 5 GAL. A S HEIGHT OF THE SPECES OF TURF GRASS, JG THE GROWING SEASON TO MAINTNN THE RECOMMENDED OF TURF GRASS. PLANTING PLAN 138 AA AGROSTIS ALBA REDTOP 2'-3' 3' 1 GAI-. 12" O.C. F. PLANT PROTECTION AVOD EXCESS MITRUSION SHRUB PLANTING DETAIL HESS MITRUSION INTO THE ROOT ZONE AREA OF 138 AG ANDROPOGAN GERARDI BLUEJOINT 2'-3' 3' 1 GAL. 12" O.C. ESTABLISHED PLAWTIIGS. 35 DC DESCHAMPSIA CAESPITOSA TUFTED HNRGRASS 2'-3' 3' 1 GAL. 12" O.C. G. WATERNG~ IF ANY RRIGATION SYSTEIA IS UTILG SYSTEM IS UTILIZED, THE SYSTEM SHALL BE RECOMMENDED REGULATED TO PROVIDE APPROXMIATELY APPROXMIATELY 1 OF RAMJFALL PER WEEK DURING THE PLANTING SOILS GROWING SEASON. PH RANGE: 5.5-6.5 a FAILURE TO MAINTAIN ALL PLANTINGS N ACCORDANT ;S N ACCORDANCE WITH THIS PLAN MAY CONSTITUTE A ORGANIC MATTER 1.5-3.01 VIOLATION OF THE UNIFED DEVELOPMENT ORDINANC PI~ENT ORDINANCE AND MAY RESULT IN FINES. N~~ (M fdg> 35LBS/ACRE date: March 21, 2005 m PHOSPHORUS (P20s): t00LBS/ACRE N POTASSIUM (K20): 85LBS/ACRE CommlSSlon:04-0030 a m SOLUBLE SALTS: NOT TO EXCEED 500 ppm ° drawn by:CW/RF/WS N F 0 1 N m 10 1 0 c m a Cu nO Cl J a i 1 R i ~ • CALLOW AYJOHNSONMOOREWEST j ENGINEERS & CONSULTANTS PO Box 331 Z7 ' RALEIGH N.C. 27636 ARCHITECTURE~ENGNEERNG~NTERIORDES~N (919) 851-1912 (91 91 851-1 91 8 (FAX} W.MULKEYINC.COM One Salem Tower 119 Brookstown Avenue WW -Salem, NC 27101 336-724-1503 ~~uuuu~,, Winston CAR ~~~~i _ 1 _ ~ ~ 0 f" ; ~ w _ ~ I _ _ _ , y'•••.......• _ ! ~i, qFl D ~ 4 o0. N~ V ~~m nt,~ 2004 m -w~ . ~ _ _ u+a `wa.~n _ . ~rlrt~ _ ~ - _ ~ .T,.._..~..~...._....._.,.....,. W.....,_...~~._ I - I n `'tJ. 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I WEST NORTH s f , I ~ ~+fa. ~ ~ ax ' Approved by Date ~ ORNER C _ _ ~i;~ Planning Date ' lI 1 1 i I_II_ ~ l ~ ' - ~a ~ ~ ~ , ~ ; ~ -i -I _ ~i ill . r i Engineering Date f. r f ~I ~ 1 , ~ d Y a t i I f... . , m 0' 30' 60' date: October 20r 2004 colrm i ss i on: oa-oo3o Q 0 0 ,T - drawn by:CW/RF/WS " F r9 y 1 10 m 0 Q 0 J a r P i , iow d tl r if, EMU _ r__.,___ - _ - - _ n i1 • CALLOWAYJOHNSONM OOREWEST ENGINEERS & C~N5ULTANTS PO Box 331 Z7 RALEIGH N.C. 27636 ARCHffECTURE•ENGNEERNG•NTERIDRDESIGN 1919) 851-1912 (91 91 851-1 91 8 (FAX) WWW.MULKEYINC.COM One Salem Tower 119 Brookstown Avenue Winston-Salem, NC 27101 336-724-1503 `+++++Inn ~t,~~~~ ~N ~ RQ ~ . t ti' 4 - Q~•' r•'• INE~:•' ~ qF~ p . s o4 ~~11nnn+++++ till ...,..w,,..__.~.~...._,....,~.......~_,.._~..~.w..._~...._.m....~.~.____-_.._~.~_.,,.._.~..~.~._.._. .w......~vw......_.........,~.~._.~.__...,_...__,_~.~._....._._...____,._.....,____.~, 1 ~x~'- ~ . , _ , `s ,I~ t°. f^" ~ s , I w ~ !~~~~~i(i E PROPOSED RETAINING WALL. i ~ ~ , ~;~ti i _ ~ _ TW 463.0 BW-458.0 ~ ~ , ~s~~ ~ ~ - POSED ADDITION OF 9 -10 X 20 WOOD FENCE-A`~T6P' OF~AL~- - ~,3 ~ P 0 ~ _ o N ! i.. ....,..,.r . w......,.w.. 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' ~ ~ J ~ W - . ~ s _ i I E i ~ - ....a ~ E ~ ~ ;A - L ~~:~~~~°E ZONE 1 NEUSE BUFFER _ ~ a _ ~ ; , ~QNE 2 NEUSE BUF sheet 04-SP-113 - e EPLAN SIT - - _ _ APPROVED WEST NORTH PROPOSED WELLI fED WELLNESS CENTER EXPANSION. TOWN OF CARY RKING NER PA COR ~ 1 .r;~-~.~.__. ATER AND C { ALL W ~ , DER AND SANITARY SEWER SERVICES , Approved by Date ENTS . . : ~ ~t.~~:~_.:~~~.:~.r.. TO BE PROVIDED IMPROVM ROVIDED FROM EXISTING BUILDING. , , . - ' I , ` ~ Planning Date EXPANSION WILL IONWILL BE CONNECTED INTO THE ~ ~ , Engineering Date - - : - COMPLEX'S EXIST :X'S EXISTING SPRINKLER SYSTEM. SCALE: 1' - 30' Q date: October 20, 2004 ° 0' 30' 60' commission:04-0030 Q ° N drawn by:CW/RF/WS ° IF C 10 U D 1 N O Q O J a i i ~ r J 1~ • . ~ y CALLOW AYJOHNSONM OOREW EST °s ti': ENGINEERS & CON5ULTANTS I R PO BoX 331 Z7 RALEIGH, N.C. 27636 ARCHITECTURE •ENG NEER NG •NTERlOR DESIGN (919? 851-1912 (919) 851-1918 IFAX) ~ I One Salem Tower 119 Brookstown Avenue WW W.MULKEYINC.COM „~,.=,x ut Winston-Salem, NC 27101 336-724-1503 ~ $ ```~~~nt tu,,~,~~ CARpC oQ.• f. ` . 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N ~ , a rF.-!~ '~e, - SCALE. ! 30' m m ' ~ t Y4d~6s d 30' sp' date: October 20, 2004 commission: 04-0030 0 0 drown by:CW/RF/WS r rn 1 q 1 10 8 m D Q] O Q O J d AS& .c V a':+ k ' ~ May ~'Y~-~:• x m y - 6a N. 1 6 4 ~ • CALLOWAYJOHNSONMOOREWEST ENGINEERS & CON5ULTANTS PO BDx 331 Z7 RALEIGH N.C. 27636 ARCHITECTURE•ENGNEERNG•NTERIORDESlGN (919) 851-1912 ; (919f 851-1918 (FAX) W.MULKEYINC.COM One Salem Tower 119 Brookstown Avenue WW Winston-Salemr NC 27101 336-724-1503 `,~~,1m II ~ g RQ , p~;: • S 1 f ti' E~'~: yqf P n4 1. D • t`~~ i is ~nnnutt I _~.._~._~..~~....~..__.~.....~..._~_.__r_._..~...~.~. - ...W_..~..._ i ` ~ PROPOSED RETAINING WALL. ' `5 { ~ 1z~. i ~,,p 5 S 1 ~,t T ! TW=463.0 BW=458.0 I ~ ~ '7 1 V ,W ~ PROPOSED ADDITION OF 9 -10 X 20 WOOD FEN OF~ALt--~ - r ~ z. s o STANDARD PARKING SPACES AT 60 . SEE SHEET C-6.02 FOR DETAILS. ~ -~---ri- ~ ~ 1t ~ i ~ - + - j~~.-. ~ y ( - P OVIDE 12 DRIVE AISLE. , - ; ~ ~ ~ tj ~ h ~ ,,,e%" _ - u - fl~% y ~ ~r,. ~ . „I yk gyp. 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I_i . :1~ 1 ~U' ~ ` ~ It I;Ti ~a ' ~t' I ~ - r._ ~ u, ~ ~ ~ ~ _ _ i, EXIsSTINQntiDUfiL1:T ~ ~ r l i ~ ~v~., ~ ~m~.,- i_ II)t w f ~ ~ ~ ~~i . _ ~ ~ _ ; ! 1 { INVERT IN=4,6 ~ ~ ~ 1T ~ ' _ i i ~ ~ ~ ~ ~ ~ . INVERT C41T4458. \ ~ ~ ~ f ~ , t ~ ~ i as s i i i EXISTING UUTLET, ~ 43"=-18~..R~ f~ - . ~""'';t- h • ~ ° Y ' ~ 1 ~ 1 .l r a •._.__c-_.~.~ ~ ~ - - ' . ' ~ - .INVERT OUTa. '°--~--.w_.._ ~ s . `t ~ - _ Copyright 2004 ! ~ - - ~ t,. ~ , „ ; , ~ ' ~ - ~ r'i ` . ~:`j, ' ~ Ca I I oway Johnson Moore & West ~ P. A. , ,a i_1 i ~~~,r 1~~-~~~~~~ ZONE 1 NEUSE BUFFER - _ Bi~~. i i ~ BONE 2 NEUSE BUFFER i f sheet 04-SP--113 _ f - - SITE PLAN APPROVED PROPOSED WELLI • THWEST NOR QED WELLNESS CENTER EXPANSION. TOWN OF CARY ARKING CORNER P -~~~~~~-~-~-t ALL WATER AND ~ Jl , DER AND SANITARY SEWER SERVICES ! ' Approred by Date D -~~--~~~~--~~.r' TO BE PROVIDE . - . - ENTS IMPROVM ROVIDED FROM EXISTING BUILDING. , . _ , , t 1 } - = ~ V, ; _i ~ ~ ; Planning Date 1 ~ EXPANSION WILL LION WILL BE CONNECTED INTO THE r~„ _,~t~~: . t~_,t _ f _ ,::r`~:~~Y- COMPLEX S EXIST - t Engineering Date .X S EXISTING SPRINKLER SYSTEM. r , ~ SCAM: l • 30' a v 3Q' date; October 20, 2004 0' 60' commission:04-0030 Q ° drawn by:CW/RF/WS ° C IF F1I 2 3 4 5 6 7 10 D N O c O J a r 'I ~ - - CALLOWAYJOHNSONMOOREWEST ENGINEERS & CONSULTANTS PO BDX 331 Z7 RALEIGH, N.C. 27636 ARCHffECTURE~ENGNEERNG•NTER]ORDESIGN (919) 851-1912 (919) 851-1918 (FAX} e Salem Tower 119 8rookstown Avenue WWW.MULKEYINC.COM On Winston-Salem, NC 27101 336-724-1503 ~+~~t~uuuur~,i ~a ,OARp~ ~ , ti 1 D • - • - ` 2004 NOV 17 _ _ , ..,rE. ~ sq R.WATERWALITY Fl D • ~lSldl ~ StORMWATERBRANt~'? ~+munu~' I ~ r i ~~w - _--w..-.._..~,......_.. ~..m......_._. 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' I e.,~,;,_ MYLARS TO TOWN OF CARY 10-26-04 } i ~ i ............e. -.o. i, _ 1 ~ i ~ I ~ ~ ~ y~ ~ ~ ~ c _ ~ i k r~ ~ ~ ~ j i • ~ t- ~ I I I ~ ~ ~ ~~r i_ ~ i t~;1 ~ r. ~ j ~ ~ , 1 _ . ~ i~ 1 Jig' r ~ _ ~ i _ _ ~ ~ , 1 l _ ~ o t,. ~ _ . - _ A , y / ~ r ~ ire.. 10~ U I~~ ~,f ~Jc 'IJ f j i~ ~ . + ~ ~ ~ .-/r a _ ~ ~ ~ - i ~ Irr-'~k;L • ~ ~ m . 1 s, r r / a ~ ~ ~ i p - ~ - , - - y ll, 1,,~~ - i ~ ~i.,__._`_i . 1 ~ , , { _ ~ i • t C ,r . ~ ~ 1 j 1 I 9~,. .1 ~ i i~ n ~ I _ ~ i ~ r' ~ , ~ , o - ~ ~ ~ t_ ~ ~ 1 1' ~ i 'Vi.• . r ~ ynr ' p - ~ t ~ I~ a ~I' I ! l I i4 '1,r. -i ~ 1~ ~t_~ - _ 1. ~ ,_:.~_=~<-x_1.~-~I "~_L j~~ - '°"F_~_~-• E is , . ~i ~ I: 5 3 \ - p 1 r ~ ~ ~ z _ ~~..k_. _ - - ; ~ s~ ` ~ _ { ~ ~ ~ ~i + ~ 1 i ~ p ~.h r~ ~ _ y _ ~ I' i ~ 'ii $ ~~.A t . , ~ ~ . r.~_ . _ ~ ~ ~ `r, ..a ~ ~ ~ . - ' i>'~ it 4(,~ ' 1. ~ _ _ `1., - - y., ~ I.. _ J. _ z Y ~ _ ~ ~ . ~V as ~ ~ i . ~ o . . j ~ . s :.:.w i ~ - - - - ~ ,r ~ n 1 ' ~ - - ~ - ~ ,i ~ ~ i ~~i~'J ~ ~k i y ~ L~J i ' ~ ~ YI., .z.~,x._ -_-~.:--__.,.r,•~,~.~_--, Vii= - Q~ , ~ i i~ . 4~ ~ _ ~r . ~ ~ . ~ _ il,` r ~I~, ' r ~ A1• ~ i . , ~ ~ ~ „ alp. ~ i' ~ ~ I W ~ ' ~ G ~ J y I i~ 1 v I h I ~ ;f q . . i. _ - _ W I r - l I 4t. 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CORNER Planning Date . _ ~i Al _i :i Engineering Date 1 1 ~~i=i i~~' ff ~ ~ n~, ,i4~ ~ s SCALE 111 0 d 3~ 60' date: October 20, 2004 a; I commission: 04-0030 Q 0 0 drawn by:CW/RF/WS N r i IF F1 ' 2 3 00 4 5 6 7 10 10, a Q 0 J a i r, n ~ U • CALLOWAYJOHNSONMOOREWEST ENGINEERS & CON5ULTANTS PO Box 331 Z7 RALEIGH N.C. 27636 ARCHfTECTURE~ENGbNEER&JG•NTERIOROESIGN (919) 851-1912 (919) 851-1918 (FAX} WW W.MULKEYINC.COM One Salem Tower 119 Brookstown Avenue urn Winston-Salem, NC 27101 336-724-1503 ```~~Ni rrq~~~/ ~a cARO~ ~ o t' 'F 9'. = 4 = ~,r= F,; ~ ~~<< Fl 1I?ylo4 ~~runm~~` ..e_......_.._.~.w__,.~..~.~..._~~...._.~u..~..~__........,.._d._._u_._._.._._._._ f I _,..__..__...w_.,..,,_...... 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' ~ - ~ ~ ,z ~ ~ - ~ ~ - ~ . v~,,w,.~: ~ I ~ ~ ~ ~ti ~ .t. ~ ~ - 0 i .i i ~ ~ y _ _ ~ , ~ a . 1 ~ i - ~y r o- ) ~ i ~ i ~ ~ s , r , . _ . i ~ ~ ~ 1 i ~ ~ t ` ~ ~ ~ ~ i ~ ~ ~ s ~ . _ R~1 i _ ~ f i' ~ ~ .r ~ ~ _ _ _ - e _ _ ,«t: i ~ ~ D D j ~ ~ ~ , x w ,t, _ .,I ~ _ ~ ~ i ~ - ~ ~ ~ ~ w . , ; WETLANDS w ~ i I- i ' cn _ _ z i I ~ i ! i , _ R U ~ i , _ ~ A { , f t ~ - 1 . , . . ~ _ _ -~~-t ~ r ~ ~ cn , _ ~9 _ ~ I.~ I I. 'i` . ~ . r.. 1 1, :r . . ~ ~ j ~ _ it ' 9 ;i i ~ u Ali ~i ~!I ~ ~ ~ + ,.r ~ i ' 1'' I;; i ~ ~ ~ ~ r ~ E ~ - i' t_ i ,,1.~ - ~ ~ ~ _j - , i 7 - i;l r, i.- f I ~ - t i r ~ t ' ~ ~ ~ ~ LJJ . _ ~ _..r,..• _ .I , ~ _ Copyright 2004 C ~ . _ 7 } ......F I - ~~~r I ~ ~ ~ Calloway Johnson Moore b West, P. A. .u~ ONE 1,NEUSE.BU ~ - ~ ~ , f ~ ~i i v - ~ Y i' I f i L , ,ZONE2 NEUSE BUFFER ~ _ ~ I ~ ~ i ~ ~ i ~ t l r ' t - _ _ sheet a~. 04-SP-113 - EXISTING _...r D _ APPROVE ~ ~ ~ ~ - t ~ 1, ~ ~ ' CONDITIONS - ' _.i ! s f .J 1. TOWN OF CARY 1 +l. Jj N RTHWEST 0 Approved by Daie N CORNER F ~ ~ ~ { Planning Date a i ~ e.r..- - Engineering Date i^ . a SCALE. l 30' • m m d 30' 60' date: October 20, 2ooa m comnission:04-0030 Q 0 a drawn by:CW/RF/WS ~ FL 1 2 3 4 5 6 7 10 m D 6] O Q O J a r n ~ c~ • CALLOWAYJOHNSONMOOREWEST ENGINEERS & CON5ULTANTS PO BDX 331 Z7 RALEIGH N.C. 27636 ARCHITECTURE•ENGNEERNG•NTERIORUESIGN 1919} B51-1912 1919} 651-1918 (FAX} WWW.MULKEYINC.COM One Salem Tower 119 Broolcstown Avenue ,nnu,r Winston-Salem, NC 27101 336-724-1503 .~V, ~ARp~ , F 9'. _ 4 _ F., ~ ` NE,. y'• P~' %,qF~ o. M~~a ul tt~~~ttt~~ i _._..~._._____..._..Y _._...~.._~,...._.m.~._....~....v.._~ }4 { .l.} ii.. i !'JC _ W i I I f l~ 7 l~ 1 ll _ e~._1~, 1~ r ~ l ~ ~ ~l fJ ~ - ~ r ! ~ - si f k t ~ q .e-. f k . v~. . r . j ~ 2 . 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I q . awn ~vo-„r~~~har•• ..r..-.~...rv"°" ~ 'I" - - TOWN OF CARP 1ST REVIEW 07-26-04 t, # ~ n---._._.. ~ 1... ;O IU ,~.-...,,,,._.L __..,,a~ ~ ,¢L I , , 1 I 1 .7 . . - ~r" ° TOWN OF CARP 2ND REVIEW 09-07-04 ~ ZONE NEUSE BUFFER 1 .~ra.,,.~., _,r _ I ~~`1 ~ ~ ~ ~ MYLARS TO TOWN OF CARP 10-26-04 _ ~ ~,r i i ~ ~ = T - - ~ y,_ ~ ; , r i r, .t L r _ , ~ ~ _ k ~ ~ . ti C i ~ I_ ~ ~ i ~ C l r- ~ ~ ~ - i i ~ ~ . ~ ;~t I i~ ~ ~ k~. i ~ ~ ~ - ~ r ~ --a- _ v I _~i I J - ~ , I _ A ~ , ~ _ ~ - ~ ~ L - ~s ~ r , 7 ! ` - _ " - 4 i x .k,. ~ ~ ~ ~ - r t11.' i' ~ -'1J4.,~i I ~~i ~ ~ ~ r y. r ~ SEA I ~ f' ~ ~ 1:'/ f r ~i! ~ ~ ji~i~~,~ ~ `-e~-: ~:~,,Tg i . ~ ~ a. , ~ 3 i ~ ? ~ ~ ~ III 1 ~ I o 4 ~ ti. 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Copyright 2004 __._m. 1, F .~.~,~.-~.M .:w_~~ ~ ~ + I ~~_s__a ~ ~ ~ ; t ~ ~ I r„_v~Nr'_, ~ ~ -..~,w,~~,~ ~ Calloway Johnson Moore & West, P.A. l . , ~ ~~:r: ~ ONE 1NEUSE~BU ER~. ~..e~ ' .I i i a 4s ~ „ ` 7. ~F~ it l ~ I ~ ~ f 1 ZONE 2 NEUSE BUFFER i 6 '~l ! rI s ii 1 ! i j! p. ~ s r h~ d ' 3l p _a ~ sheet I - ~1, i a ' ._~u.~. 04-SP-113 EXISTING s~~~v . APPROVED .~_a ' .4 CONDITION - ~ ~ _ 4~ TOWN OF CARY ,I~ r i HWE T N RT S 0 Approved by Daie a s~ G CORNER ~ ~y ° - Planning Date ~l ~ 7 i .1,, I! Engineering Date ~r. r . . a SCALE. I 30' ¦ m m 0' 30' 60' date: October 20, 2004 commission: 04-0030 Q 0 0 drawn by:CW/RF/WS _ N 2 3 6 1 0 D Q1 O v x Y , O J a t I MEN 1 fa rya: ~ a ~ , ~ i r~ I •,i "p s: 1 a r a] 1 ~~~~9 µ i'I r ::J e i 3 l ° a ^ t. p t d i~a~ZN~ ~ : r n C~ i CALLOW AYJOHNSONM OOREW EST ' ENGINEERS & CON5ULTANTS PO Box 331 27 RALEIGH N.C. 27636 ARCHITECTURE•ENGNEERNG•NTERpRDESiGN (919) 851-1912 1919) 851-1918 (FAX) i WWW.MULKEYINC.COM One Salem Tower 119 Brookstown Avenue Winston-Salem, NC 27101 336-724-1503 ~~`1''111 ~ ~ R~ ~ ~ ~ • ' t 0: •SI• ti' _ 4 - Q~:' ~ r'' EF,,: ~ yqE P 04 L D • 11~ ~11nn111~ II I M..._....~.r, _ _ - - ~_._.._......_a.~~_.. - - I 4 . ~ o f'~ i ~ 7 is f P OPOSED RETAINING WALL. ,o~~.~~,.~ , ~ R i i u~ I r~ ~ ~ i d , ° f - _ TW=463.0 BW=458.0 4. " r ~ ~ ~ - PROPOSED ADDITION OF 9 -10 X 20 WOOD FENCE OF~AL~- } , ,~._..__..,..,_;T_ _ ~ r r o n.._ _.w__...... STANDARD PARKING SPACES AT 60 . SEE SHEET C-6.02 FOR DETAILS. ; ~ , - n J~ 1 f , Y k.. t PROVIDE 12 DRIVE AISLE. = `a c ~ '2 Wiz` i i t „ I ~ r'' t i : I ~ a~_s° r ~j z ~ ~ t r ~ Asa , ~ ~ - - ~ a z ~ a _ ~L.. ~ rl . t-~., ; i , I ~ j _ i ~ 5 _ N....a ..H.....~.~..-...,,, i ~C c ! ~ - t is ~ ~ i t 1 ~ - , ' .1~ CQNSTRUCTION ACCESS DRIVE s 3` ~ i l ~ ~ _ l i y "w..,'al...~a. ~ t ~ ' . ..,v, ~ ; ~ ; ; , ~ . ~ revisions t o v ~ h ~ k i~-BE CONVERTED TO 5 EMERGENCY-~ -~~-~~,t i r ~ r... - - - ~ - o TOWN OF CARY 1ST REVIEW 07-26-04 r-_~,~ ~f~--"_ L~ EGRESS /o MAX: SLOPE FOLLOWING t I y ; , ~ TOWN OF CARY 2ND REVIEW 09-07-04 COMP~ETIO OF CONSTRU~.TION r _ ~ . ~ ,,,,,...w.,,.,.._ 4~. r ~ Y ARS TO TOWN OF CARY 10-26-04 ~ ML - - w._...~...__.._..... ~~i ' ~ - _ 3t, ~ ~ t-- ~ ~ ! - _ ~ i _ ~ ~ / - ~ _ ~ I ~ ~ - I _~l ~ ~ ~ ~ ~ ~ I I1 r~' ~ ~ ~ - _ 1 'T ,I , i ~ T - i ~ i~ , t.. - i i ~ i.~~~ t , ~ f ~ ~ ~ , , i I- ~-r~ i ~ . ~ - 1 !a jl - i - ~ ~ ~ - _ t,. i r}~. ~ ~ i ~ p~ i ~ i. f a, ^ r ~ ~~r', M1_ _ . ~ ~ , • , ~ A~ , 4 48' RCP - f ' , i `CULVERT , _ ~ WMEApWAL S r' ~ i ~ ~ ~ r~,.ti ~ - - ~ ~ - ; , - 1 . 1 i~-t f ~ ~ ~ ~ _ i , ~ 1 , : s. A., ~ ' _ _ i 1 T ii. _ YJ_ _ j f 2. ~ ~ ~ - v ~ . ni _ . ~ ' , - , ~ ~ , ~ ~ ~ - 1 r ~ ~ - - 1 ~?.i ~ ~ r I _ r 1 . ~ ~ ~ _ - ' ti -,r. ~ , t, " , 1 ~ ~ ~ ~ . " t~'~',~~". y _ . ~ 1 , - Q .I~ ~ h ? , ~ , ~ ~ ~ v~ s. ~ ~ . ~ a ~,1~ ~ f L- _ i 1 ~ ~ ~ ~ fi ~ K- ~ f_ - f i ~ - J, - ~ ~ i~ 'v s ~ ~ X . . ; , y, ~ ~ - - ~ ~ - - ti. d RI RA TO " i.. ....r.. ,.....~..~..-...a... I D IN WAY ~ ~r" ~ f ' ~ f POURED CONCRETE 1 750 RETAINING WALL ~ - w ~6' i t,~ N IAPPRQX, 2' HIGH) ~ 48" RCP ~ ~ ~ ~ ~ ~ ` sl f ~ } t 5, CULVERT - ,~:;r.,~. - WrI~EADWALLS ~ ~ ~ , ~ EXISTING ROOF DRAIN BE ~ z I ~ ~ - - ~ ~ Q ~ ~ , s- TIED INTO: THE NEW ROO ~ DRAIN w ~ ~I<< y ~ -24" RCP @( 060% ~ pp . _ _ E I ~ r- _ a~ ' N T IN=458.14 (2) ? AND GUTTER SYSTEM. ~ E . r ouT=45~sa , IN - i ! ~ , - i I _ 27-18' RCP Q 0,5 o I - i ! ~ r 4 - _ -r . _ ~ } : ~ r, ~ ~ ~ s, 1'' ~ t - i EXIS"flNi~ .oUfiLEf ~ ~ ' ~ • , i 1 „ ~n~ i, t~ s~r~_. ~ ~ ; I LL.~ r . , - r- ~ ~ r . ~t - z ~ . j i , ~ ;.y~ .y ~ ! ~ ~i ~ ~ TT I ~ ; .w INVERT IN=46 . ° ~ _I ,~:k ~ `r~~ ~ r ~ INVERT OUT=458. ~ r, ~ t t ~ :t ~ , ~ I s f I i ' ~ - - /r.. { i 3. . ~ i i ~ ' ~ 4 t EXISTING OUTLET 43 - 1@."_ RCP ® 0.60 I ~ ~ # 1 ' LLl ~ j ~ _ ry ~ ~ ~ - _ - - i f ~ JNVERT I 4618. ' INVERTOUT~45636,..__-. - ~ ~ ~ _ _ Copyright 2004 ~ . ~ i ~ ~ - - r ~ 4~ ~.i ~~~a ~ ' Calloway Johnson Moore d West, P•A. _ ~ - - _w_~, I ~ _ ' ZONE 1 NEUSE BUFFER ~ _ ~ ;i~ I BUFFER _ ~ ; BONE 2 NEUSE t sheet i 04-SP-113 _ - - SITE PLAN - - - APPRO HWEST NORT PROPOSED WELD ED WELLNESS CENTER EXPANSION. TOWN OF CARY ~e. a , ALL WATER ANDS. ING PARK CORNER ER AND SANITARY SEWER SERVICES f ~ I~ a::~ ' ' Approved by Dole TS R VMEN IMP 0 TO BE PROVIDED I ~OVIDED FROM EXISTING BUILDING. , a; - ( Planning Dale EXPANSION WILL E ION WILL BE CONNECTED INTO THE , ; ; ~~~`~~F~~°~-- COMPLEX'S EXIST ~ Engineering Dafe X S EXISTING SPRINKLER SYSTEM. I r ~ : ¦ a scams. ~ 3a Q 3a date: October 20.2004 a sa commission:04-0030 Q 0 ~irnwn hv~(`W/pF/WC w ~m~ ~~•vm n~. n.. 10 c rn N 0 v i ~ ~ ° i w ~ H~ 0 a _ _ _ _ _ .,v i - ~ . v~. - j £ R ENGINEERS & CONSULT CALLOWAYJOHNSONMOOREWEST A NT8 PO BDX 33127 ~ RALEIGH N.C. 27636 I {919} BS1-1912 ARCHITEGTURE~ENGNEERNG~NTERDRDESIGN (91 9) 851-1 91 8 (FAX} WWW.MULKEYINC.COM One Salem Tower 119 Brookstown Avenue ~ - f,. ~ f _ p< S ``~~~tiuunu~,~ Winston-Salem, NC 27101 336-724-1503 ~ , ~0;. S ~ I - ~ r _ q = .F P:' ~ f''•~~INEti~'~ yqF P ~ l D ~ ~ < <imnn<< _ ~ I ~ ~ i - - I ~ F' ~ ~ . ~ << I . \ r l \ ~ ~ ~ ~ l I~ ! NOTE I 1. CONTRACTOR TO FIELD VERIFY THE EXISTING PIPE'S I 1 ~ \ ~ ~ ! ~ 1 ~ ~ \ f i ~ ~ I+ I _ ~ ~ 1 ~ " ~ ~ \ ~ I~ y! 1 I s r°~ milli f I INVERTS AND TIE INVERTS. CONTRACTOR MAY ADJUST INVERTS AS NESSARY TO PROMOTE POSITIVE FLOW OUT OF SYSTEM. , 1~ ~ \ ~ ~ ~ ~ ~ I l 2. SLOPES MUST BE STABILIZED BEFORE INSTALLATION OF THE UNDER ' / 1 ~ DRAIN SYSTEM. t , - ~ ~ - ~ ~ 3. ALL SEDIMENT AND EROSION CONTROL PRACTICES SHAL ~ ~ L BE IN PLACE AND THE SLOPES DRWNING TO THE BIORETENTION AREA SHALL BE STABILIZED BEFORE CONSTRUCTION OF THE BIORETENTION AREA BEGINS. 4.UNDERORAIN SYSTEM SHALL BE PERFORATED SCHEDULE 40 PVC AND SHALL BE WRAPPED IN A GRAVEL JACKET. i S. SHREDDED HARDWOOD MULCH SHOULD BE UNIFORMLY APPLIED APPROXIMATELY 2 TO 3 IN DEPTH. MUST BE WELL AGEDfSTOCKPILED FOR 12 MONTHS?, i ~ UNIFORM IN COLOR, AND FREE OF FOREIGN MATERIAL. . _ ~ I fi, PLANTING SOILS FOR BIORETENTION TYPE AREA SHOULD 8E SANDY / ~ '~7 ~ ~ A~ '464--_ LOAM OR LOAM TEXTURE WITH 10 TO 25% CLAY AND 35% SAND. ~ _ _ F'. ~ ~"6,~ 7. SAND SHALL 8E FREE OF DELETERIOUS MATERIAL AND ROCKS CREATE THAN 1" DIA. r ~ 8. ALL PLANTS TO COMPLY WITH AMERICAN STANDARD FOR NURSERY STOCK. 9. NO SUBSTITUTIONS WITHOUT APPROVAL BY Tt~~ ENGINEER & TOWN OF CARY. \ \ ~ { \ \ _ ~ 1 _ ,.,u 1. n Cl ~ ~u , ~ I ~ ,r I i - II 1iAINA A ~ i ~ !-7. ~ ~ 1,. ~ ~ s RETAINING ~ ,~A NV= 7 _ ~ ~ ~ . ~ ~ ~ ~ ~ f APPROX. 2' HIGH) 5' , r, ~ ~ ~ I , ~ revisions TING LDING ~ ~ _q E , , ~ ~ ~ ~ ,FJ i<l q \,Q l ~ ~'t ' ~ \ \ ~ ~ ` t \ 15x45 BIORETENTION VER] ~"~1 11 ~ ~ ' AREA EXISTING STORM ~ . ~ _ AOWALtS~ ~ c \ ~ DRAINAGE FROM ~ ~ - r, ` ~ , - - = ' 1 ~ BERM ~ /1 - yet ~ ~ ; ~ \ ~ ~ ~ V PARKING LOT \ _ - ~ , 1 WIDE SAND BED ~ \ ~ c ;fir.=.~_~ ? ~~4 r..,~`` - , TO RE E 14 ~F, 8 PVC ~ r ~ ' ~ ~ ~ \ ~ FROM DOWNSPOUTS ~ ~A c~ ~ , o ~j ~ , . ~ _ _ ` ~ ~ f \ ~ _ ~ ~ f.° PERFORATED I~b_ _ - ~t ~ , - ROOFI:INE OF PROPOSED''-- , ~ ~ 5 WIDE ~ ~ ~ ro ~ \ GRASS BUFFER PVC ~ O.a/o SLOPE _ ~ I __,,WELLNESS CENTER EXPANSION _ ~ ~ _ INV. IN=460.41 - ~ ~ ~ ~ ~ } ; ~v I ti , , ~ TO BIORETENTI ~ - t s'.- ON AREA ~ ~ j f MQ _ _.4,, - , , R 2 3 T _ - ~ . ~ I ~ ~ _a. / , _ 2005 _ _ - ( ` (B~ IN=460.27 ~ ~ ~ ~ ~ warER QuaurY f AND SiOR -fir \ ti, ~ i ~ ~ ~ ~--~~(1$"~"~U`F--458:7 ~ h ~ - ~ MWATER BRANCiI _ ~ i ~ ~ h i >>i'. " ~ ` ~ EXISTING PIPE 1.O BE EXTENDEb..~ ' ~ ~ ,I I i~/ 4~ 19 ~ ~TO"ALLOW~fPANSIQM~~. r n > _ ~ ~ _ - ri-~~-~-~, -ti-~-- . r~ 1 r I -i I. i . I~. ~ r ~I t.~ tt.-i~~,~, k ~ /r . ~ 1C _ F f l~ ~ - ~w.ti, ~_a , ~ i ~ i f ~J I z z i' r A 0 w PRECAST BOX ~ - = /l 4 ROOFLINE OF EXISTING REFER TO DETAIL "U- ~ U V~ WELLNESS CENTER ~ ~ z TO BIORETENTION AR ~ ~~J EA cn i I~~' ~y..._._ w ~ ~ i x z I- ~ ~ ~ i w PRECAST CONCRETE BOX ~ EXISTING STORM ' I PLANTS OUTSIDE DIMENSIONS 4' X 3' DRAINAGE FROM t~ PARKING LOT 466.00 (SEE NCDOT DTL.840.14) W I FINISHED GRADE 465.50 s ~ I I 465.33 i OVE SEE NCDOT D f RFLOW TL. 840.16 ' R 466.00 FOR FRAME & GRATE PLANTING SOIV , . n C ri ht 2004 ' PROTECT 4 ORIFICE oPy 9 ORGANIC SOIL 4 MIN INVER - 0 Calloway Johnson Moore 8. West, P.A. T 2 4 PENING WITH MESH ; 465.50 ORIFICE TRASH PROTECTION F 461.33 n SAND 1' MIN 6 PERF. PVC . ; 460.33 ' , sheet I. , . GEOTEXTILE FABRIC 6" PERFORATED ' ~ ~ ' • •--•••flUTLET PIPE . BIO I RET . n ENTI ON PVC @ 46G,41 INVERT . , 8 PVC f 460,41 AE RA T BI RET ENTI N FR 0 PR P ED B IL DIN 9 94 F SIT EP L A N INVERT R AT BI 0 RET EN TI F M TI B IL I 34 2 OS F 460.4 ~ 1 SCALE: ~ ' I ~ SECTION 2a , OF BIORETENTION LAYERS PERFORATED RISER 20' ~ FOR BIORETENTION RE UI R ED A RA E F 0 RB 10 R TENT I ON 631 S F Q date: March 21, 2005 , PROV IDE DAR EA F OR BI ORE TE NTI N 0 675 SF s nnmmtee7nn.AA_M'2A v vVllolll ual Vl l•V7 VUJV drl O drawn by:CW/RF/WS 0 O N \ N 10 M I O i C OI D ~ 1A~r O ti Milli O IWO J CL / , i I i l/ ~T • CALLOWAYJOHNSONMOOREW EST ENGINEERS & CON5ULTANTS M I PO BoX 331 Z7 r n RALEIGH N.C. 27636 ARCHfTECTURE•ENGNEERNG•NT R (91 9) 851-1 9 1 2 E qR DESIGN (919) 851-1918 (FAX) WWW.MULKEYINC.COM One Salem Tower 119 8rookstown Avenue ~~~,~iuuui,,~~ Winston-Salem, NC 27101 336-724-1503 ~ ARC X ,I ( I_ , ~ ~ v 459- I ,~^~'~~ss-~~ ~ ~ L... ~ . P - I I' 7 I ~ ~ I l 1\ ! I~ r f ` t , ' ~ I r a; / 1 f I ~ ~ r~ r- ~ ~ ~ ' ~ I ~ ~ _ f ~ ti - r' r--- -l ~ - ,_,------.v ~ ~ , i, ~ I I a ~ ' f 14 _ I a ~ • ~~;~~~~I ? v,A~ ~ 5s ~ ; ~ ~ I I v . ` I ~ ~ - } ~ ~:j a ' ~ it ~ ~ ~ ~ ~ I , ~ ~ ~ _ ~ ~ . Q~:~~. F.,: (v ~ . GINE,. ~ qfl D ~ \ ~ _ ~ \ 1 _ / ~ -v' ~ 1 r ~l ~ . NOTE: ~1~~~V ~(-l n u' v\ ~ ; 1, L~~ f . ~ I ' , ~ 1.C ` ONTRACTOR TO FIELD VERIFY THE EXISTING PIPE'S INVERTS AND TIE INVERTS. CONTRACTOR MAY ADJUST INVERTS _ LV~RT~ r ~.i ~ AS NESSARY TO PROMOTE POSITIVE FLOW OUT OF SYSTEM. _ 1 ~ -'~;c, - ~ 2. SLOPES MUST BE STABILIZED BEFORE NSTALLATfON OF THE UNDER ~ , \ , + ~ _ - ~ _ _ V GRAIN SYS TEM. s"" i J'j ~ "C ~ ~ 3. All SEDIMENT AND EROSION CONTROL PRACTICES SHALL BE N PLACE ~ ~ AND THE SLOPES DRAINING TO THE BIORETENTION AREA SHALL BE STAB~IZEO BEFORE CONSTRUCTION OF THE BIORETENTION AREA BEGINS. -.y ~ - - a ~ , , / r' - i , \ ~ \ I _ ~ ~ ~ , I... , i 4.UNDERDRAIN SYSTEM SHALL BE PERFORATED SCHEDULE 40 PVC AND SHALL ~ BE WRAPPED IN A GRAVEL JACKET. i ~ ~ ~ _ y I I r' - ~ `FJ i c. .1-F~ ~ 1 - A ~ ~ I 5. SHREDDED HARDWOOD MULCH SHOULD BE UNIFORMLY APPLED APPROX r / ~ l A ~ { ~ ~ _ _ IMATELY _ _ ~ 2 TO 3" IN DEPTH. MUST BE WELL AGED(STOCKPILED FOR 12 MONTHS), 1 - - ~ . ~ - ` _ UNIFORM IN COLOR, AND FREE OF FOREIGN MATERIAL. `+b=E- - _ - 6. PLANTING SOILS FOR BIORETENTK)N TYPE AREA SHOULD BE SANDY - LOAM OR LOAM TEXTURE WITH K) TO 25% CLAY AND 35% SAND. . - - ~ ~ - t L. ' ~ ' ~ " ' . 7. SAND SHALL BE FREE OF DELETERIOUS MATERIAL AND ROCKS GREATE THAN 1" DIA. _ ! ~ - ~ S. AL P ~ \ L LANTS TO COMPLY WITH AMERICAN STANDARD FOR NURSERY STOCK. - _ - ~ ~ ; - , 9. NO SUBSTITUTK)NS WITHOUT APPROVAL BY THE ENGINEER & TOWN OF GARY. -1__ ~ . ~ ,I ~ SIP IAA iTb ' r, i _ r~ ~ , I r~}~QINAr 1NAy t,4~, ~'1 HE (AINING ~ ~ ~ ' ENV=.. ~ , ~ _ - - / (A FRJX.1 HIGH) 5 ~ ~ ~,~~1,, ~ , -~r- 111~.,~` ~ ~ 4$ ~E~~ u C v l ; ~ ~ TREE SHALL HAVE SAME RELATION CULV~~~_ : ~ _ - TO GRADE AS IT HAD IN NURSEY O ~ ~ \ NEV R A~WAtLS- ~ ~-r~ ~ ~ - E CUT LEADER ~ L - x~~v , , ~ - ~ - - RUBBER HOSES 2/3 UP TREE ,d ~ G ,ate , y _x _ I; - - ~ d ~ ~ ~ ' GUY WIRES W/ TURNBUCKLES rBVISIOnS 4 ~ _ ,n_ , . 4 ~ ~ 2 PER TREE I ~ ~ , J - - 1 1 , _ _ _ ~ ~a 2 MP 46~ _ . - - STAKES - 2 PER TREE „ A - 3 MULCH ' AG - L, ~ ~ vf. A ~ ~ ~ ~ 1 . _ ' 4 ~ I~ - 114 xt_tT-'-_....,.-., ~ `y'' ' = ~ `t = ~ -'t F~ ROTOTILLED NATIVE SOIL ~G ; AMMENDED AS PER SPECS 4 ~ `~/1~/~,, ~.7Sf = ~ f' t ,i _ -a 1r r i - - _ _ SAUCER AROUI~ PIT + r w, - '~'i - - ~ ~ 1 F r- 1 ~ / ~ - - CUT AND REMOVE BURL ~ ~ s ~ I i FROM TOP 1/3 OF ROOTBALL . v ~ - ~ i _ , - ~ CARIFY SUBSOIL . ...1,i ~ 'f~ ~ , E. ~ - - . _ ~ ~ _ _ ~ 1.._.._.~...-- _ yc- _ ~ - ~ -m.. , - l ~ ..r ~ I - - _ SHRUB PLANTING D ~ - - - - _ _ -o ETAII_ 1 I _ _ _ 2 _ ~ . DC ~ - _ i ' - r-~ ~ - _ , r I- ~ ~ ~ 1 - ~,I, ,-,I r~ c-; 4 - 1~ ,,,i~_-~ _ ~ ~ I ~ 2 , , ~ . . ' ' PRUNE AND THIN DECIDUOUS TREES APPROXIMAT~;.Y 1/3 OF WITIAL BRANCHES. AA ~~~J BK GARDEN HOSE, %Z" DIA MIN. DOUBLE STRAND - 12 GAUGE GALVANIZED r . ~ r ~ ~ . ~ ; WIRE TWISTED 3 - 2 X 2 HARDWOOD STAKES PER TREE ~r- SPREAD 120 DEG. APART a THE ~ E WRAP FROM GROUND TO FIRST BRANCHES - 50% OVERLAP z 3" MULCH OVER BERM _ 4" EARTH BERM TO FORMS AUGER W - - TAMP OR WATER TOPSOIL iWXTURE F---i AT 6" INTERVALS tJ - ~ ERF PIPE DRAINAGE U~ IF SHOWN ON PLAN . ~ z - - Q • ~ 6" MIN. BETWEEN BALL AND BOTTOM OF EXCAVATION W LOOSEN SUBSOIL AT BOTTOM OF ~G EXCAVATION TO 6" MIN. DEPTH -TAMP Z W THE OWNERS OF THE PROPERTY AND THEIR At THE MISTALLATION, PRESERVATION AND MAINTEN fY AND THEIR AGENTS, HEIRS SHALL BE RESPONSIBLE FOR ON AND MAINTENANCE OF ALL PLANTINGS AND PHYSICAL FEATURES SHOWN ON THIS PLAN. THE OWNERS MI. THE OWNERS SHALL BE RESPONSIBLE FOR ANNUAL MAINTENANCE OF THE VEGETATION TO INCLUDE 'ION TO INCLUDE BUT NOT LIMITED T0: TREE PLANTING W A FERTILIZATION LAWN FERTILIZE LAWNS TWI ILIZE LAWNS TWICE PER YEAR (FEBRUARY 15- MARCH 15 AND AGAIN SEPT.1-OCTOBER 31) A~ SEASON GRASSES ONCE DURING GR( OCTOBER 31) ACCORDING TO SOIL TEST. FERTILIZE WARM MICE DURING GROWING SEASON PER SOIL TEST. B. PRUNING PRUNING SHALL BE LIMITED TO R 3E LI~NTED TO REMOVAL OF DEAD WOOD OR BRANCHES NOTES: P FOR TREES OR FOR SIGHT DISTANCI ,SIGHT DISTANCES/SAFTEY REASONS. THE SHIGO STANDARDS 1. SOIL MIX - 1/3 ORGANIC ~-~PRD THIN DECIDUOUS SHRUBS SHOULD BE ADHERED TO. THE PRUNI~ PRUNING NECESSARY TO MAINTAIN T D TO. THE PRUNING OF SHRUBS SHALL BE LIMITED TO THE MATTER, 2/3 EXIST. SOIL. X.1/3 OF INITIAL BRANCHES TO 2. WIDTH OF PLANT PIT COMPENSATE FOR LOSS OF ROOTS Copyright 2004 f TO MAINTAIN THE NATURAL SHAPW OF THE PLANT EXCEPT -SANDY SOI WHILE DIGGING. FOLLOWING PRUNING ' FOR SHEARED HEDGES. ES. L, 24 WIDER PLANT SHALL MEET SPECIFIED SIZE. COI IOWOy JOhnSOf1 MOOre 8, WBSt~ P. A. THAN PLANT BALL PLANT LIST sr C. PE CONTROL'PRE-EMERGENT WEED CON - CLAY SOIL 12" WIDER GENT WEED CONTROL FOR LAWNS AND SHRUB BEDS MAY THANPLANT BALL 4" MULCH MIN. PER SPECIFICATION BE APPLIED IN FEBRUARY. CHEMICAL 1 TOTAL KEY BOTANICAL NAME COMMON NAME PROD CALIPER ROOT SPACING .DISEASE MAY BE APPLIED AND IARY. CHEMICAL TREATMENT FOR NSECT INFESTATION AND 3. FOR PLANTING AREAS 4" EARTH BERM TO FORM SAUCER. 'LIFO AND SHALL BE SPECIFIC TO THE PROBLEM. WHERE SOIL HAS BEEN CON- REMOVE ALL METAL/PLASTIC CONT. COUNT HT SHALL 2 AR ACER RUBRUM RED MAPLE 40' ~ 2%2° DI 25 A S D. MULCFNG• FILCHING SHALL BE MAINTAINED PACTED BY EQUIP. CONTACT PRIOR TO .PLANTING. SLICE FIBER GAL. MULCH SHALL BE REAPPLIED EVERY 2 QP QERCUS PHELLOS WILLOW OAK 40' ~ 2%p" DI 25 GAL. A S L BE MA1NTAlNED AT A DEPTH OF 2-3" IN PLANT BEDS. ENGINEER PRIOR TO PLANTING. ROOTS IN THREE PLACES TO ALLOW :APPLIED EVERY TWO YEARS. 4. FOR CAMELLIAS RHOD05, ROOT GROWTH. 2 BN BETULA NIGRA RIVER BIRCH 25'-45 2~ " DIA 25 GAL. E. MOWING PRIMARY FE AZALEAS AND LAt1RELS~ LOOSEN BURLAP AT STEM/ ALLOW ~2 A S SCUE LAWNS SHALL BI 4 BK BERBERIS KOREANA BARBERRY 4-6' 3' S GAL. A S SHALL BE MOWED APPROXIMATELY 30 LAWNS SHALL BE MAINTAINED AT A HEIGHT OF 3" AND SOIL MIX 2/3 ORGANIC AND IT TO REMAIN ON BALL. Sheet PROXIMATELY 30 TIMES PER YEAR. SECONDARY TURF AREAS A 1/3 EXISTING SOIL. M Y 5. SHRUB SHALL BEAR SAME TAMPu OR WP,TER TOPSOIL MIXTURE BE MANTAINED HIGHER ANO LESS FRE 4 MP MYRICA PENNSYLVANICA BAYBERRY 6'-8' 3' S GAL. A S MAgJTA~JED HIGHER ANO LESS FREQUE R ANO LESS FREQUENTLY. WARM TURF AREAS MAY BE RELATIONSHIP TO GRADE AS AT 6 INTERVALS. ND LESS FREQUENTLY. WARM SEASON GRASSES SHALL BE IT DID PRIOR TO DIGGING. B I O R E 4 CS CORNUS STOLONIFERA RED OSLER DOGWOOD B'-10' 3' 5 GAL. A S MOWED AS NEEDED DURING THE GRO4 TENTIO N TURING THE GROWING SEASON TO MAINTAIN THE RECOMMENDED HEIGHT OF THE SPECIES OF TURF GR 138 AA AGROSTIS ALGA REDTOP 2'-3' 3' 1 GAL• 12" O.C. 'IFS OF TURF GRASS. SHRUB PLAN PLANT TING ING D T PLAN E AIL 138 AG ANDROPOGAN GERARDI BLUEJOINT 2'-3' 3' 1 GAL. 12" O.C. F. PLANT PROTECTION AVOID EXCESS INTRUST ESTABLISHED PLANTINGS. E USION INTO THE ROOT ZONE AREA OF IGS. 35 DC DESCHAMPSIA CAESPITOSA TUFTED HAIRGRASS 2'-3' 3' 1 GAL. 12" O.C. G. WATERNIG IF ANY RRIGATION SYSTEM IS U REGULATED TO PROVIDE APPROXIMAI ON SYSTEM IS UTILIZED, THE SYSTEM SHALL BE RECOMMENDED VIDE APPROXIMATELY t" OF RAINFALL PER WEEK DURING THE PLANTING SOLS: GROWING SEASON. y FAILURE TO MAINTAN ALL PLANTINGS IN ACCORI pH RANGE: 5.5-8.5 ~ VIOLATION OF THE UNIFIED DEVELOPMENT ORDIN ORGANIC MATTER: 1.5-3.0% a ITINGS IN ACCORDANCE WITH THIS PLAN MAY CONSTITUTE A MAGNESIUM (M 35LBS/ACRE ELOPMENT ORDINANCE AND MAY RESULT IN FINES. PHOSPHORUS (P20s): 100E dote: March 21, 2005 m BS/ACRE N POTASSIUM (K201: 85LBS/ACRE COfIn11 SS 10n: 04-0030 SOLUBLE SALTS: NOT TO EXCEED 500 ppm o F t , arawn Dy:L;W/Mriw5 0 N N 10 m 0 c of N O Cl J a y 1 u 5 4 C. 1 I I II