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SW3210803_As Built Certification_20240201 (2)
State Stormwater Management Permit No. SW3210803 AS-BUILT PERMITTEE CERTIFICATION I hereby state that I am the current permittee for the project named above, and I certify by my signature-o that the project meets the below listed Final Submittal Requirements found in NCAC 02H.1042(4) an thERs, conditions and provisions listed in the permit documents, plans and specifications on file with or pr d t Division. ❑ Check here if this is a partial certification. Section/phase/SCM#? NIA m �: ❑ Check here if this is part of a Fast Track As-built Package Submittal. o�oO'P Printed Name Kent Olson Signature y}� , t /t �o I, �Y1 1 In Arm a Notary Public in the State of N��r h V�CO�ji�Q,L County of &I'u 1 do hereby certify that � 0� personally appeared before me this j Wth day of U "AAA Aar t/t , 20 and acknowledge the due execution of this as-built certification. (SEAL) MARI H ARGO Wit my hagd off ici eal NOTARY PUBLIC UNION COUNTY,NC wry C misw E.P.. l-2' My commission expires 11 1 lot o2 / Permittee's Certification N Completed CAC .1042(4) provided N/A A. DEED RESTRICTIONS / BUA RECORDS _ 1. The deed restrictions and protective covenants have been recorded Y r N and contain the necessary language to ensure that the project is maintained consistent with the stormwater regulations and with the ermit conditions. 2. A copy of the recorded deed restrictions and protective covenants Y r N has been rovided to the Division. 3. Records which track the BUA on each lot are being ept. (See NoteJorr 1 B. MAINTENANCE ACCESS 1. The SCMs are accessible for inspection, maintenance and repair.2. The access is a minimum of 10 feet wide.3. The access extends to the nearest ublic ri ht-of-wa . C. EASEMENTS 1. The SCMs and the components of the runoff collection /conveyance Oor N s stem are located in recorded drainage easements. 2. A copy of the recordedplat(s) is provided. or N D. SINGLE FAMILY RESIDENTIAL LOTS- Plats for residential lots that Y or N N/A have an SCM include the following: 1. The specific location of the SCM on the lot. Y or N wA 2. A t ical detail for the SCM. Y or N N/A3. A note that the SCM is required to meet stormwater regulations an that the lot owner is subject to enforcement action as set forth in Y or N NIA NCGS 143 Article 21 if the SCM is removed, relocated or altered without prior approval. E. OPERATION AND MAINTENANCE AGREEMENT Y or N 1. The O&M Agreement is referenced on the final recorded plat. (Y)or N 2. The O&M Agreement is recorded with the Register of Deeds and OY or N a ears in the chain of title. F. OPERATION AND MAINTENANCE PLAN — maintenance records are being kept in a known set location for each SCM and are available for OY or N review. G. DESIGNER'S CERTIFICATION FORM— has been provided to the �or N Division. Page 1 of 7 State Stormwater Management Permit No. SW3210803 Note 1- Acceptable records include ARC approvals, as-built surveys, and county tax records. Provide an explanation for every requirement that was not met, and for every "N/A" below. Attach additional sheets as needed. Explanation for item D: None of the individual lots have SCM's. Pape 2 of 7 State Stormwater Management Permit No. SW3210803 AS-BUILT DESIGNER'S CERTIFICATION GENERAL MDC I hereby state that I am a licensed professional and I certify by my signature and seal below, that I have observed the construction of the project named above to the best of my abilities with all due care and diligence, and that the project meets the below listed General MDC found in NCAC 02H.1050 in accordance with the permit documents, plans and specifications on file with or provided to the Division, except as noted on the "AS-BUILT" drawings, such that the intent of the stormwater rules and statutes has been preserved. Check here if this is a partial certification. Section/phase/SCM #? �m Check here if this is a part of a Fast-Track As-Built Package Submittal per .1044(3). o m Check here if the designer did not observe the construction, but is certifying the project.a am t! Check here if pictures of the SCM are provided. Printed Name Douglas K. Draffen Signature k m`^- a Q NC Registration Number 031496 Date 1/30/'024 � SEAL: ,. C" Consultant's Mailing Address: ARO �, 8020 Tower Point Drive City/State/Zip Charlotte, NC 28227 SEAL 704.841.2588 031496 - Phone Number Consultant's Email address: �"I""As DaPF�`' KDraffen@mckimcreed.com OO Circle N if the as-built value differs from the Plan. If N is circled, provide an explanation on Page 2. ©N/E = not evaluated (provide explanation on page 2) OO N/A = not applicable to this SCM or project. Consultant's Certification NCAC .1003((3) & General MDC DAs-built .1050 A. TREATMENT REQUIREMENTS 1. The SCM achieves runoff treatment. Y or N NIA 2. The SCM achieves runoff volume match. Y or N N/A 3. Runoff from offsite areas and/or existing BUA is Y or N N/A b assed. 4. Runoff from offsite areas and/or existing BUA is directed Y or N into the permitted SCM and is accounted for at the full N/A build-out potential. 5. The project controls runoff through an offsite permitted Y or N N/A SCM that meets the re uirements of the MDC. 6. The net area of new B A increase for an existing project Y or N has been accounted for at the appropriate design storm N/A level. 7. The SCM s meets all the specific minimum design Y or N N/A criteria. B. VEGETATED SETBACKS/ BUA 1. The width of the vegetated setback has been measured Y or N from the normal pool of impounded waters, the MHW N/A line of tidal waters, or the top of bank of each side of rivers or streams. 2, The vegetated setback is maintained in grass or other Y or N N/A ee atio 3. BUA nm eets the requirements of NCGS 143-214.7 Y or N N/A b2 2 is located in the setback. 4, t at does not meet the requirements of NCGS 143- Y or N 214.7 (b2)(2) is located within the setback and is limited N/A to: Pape 3 of 7 State Stormwater Management Permit No. SW3210803 a. Publicly funded linear projects (road, greenway sidewalk) b. Water-dependent structures NSA c. Minimal footprint uses (utility poles, signs, security lighting and appurtenances) 5. Stormwater that is not treated in an SCM is released at Y or N the edge of the setback and allowed to flow through the "J" setback as dispersed flow. OO As-built OO N/E OO N/A C. STORMWATER OUTLETS—the outlet handles the peak Y or N NSA flow from the 10 year storm with no downslo a erosion. D. VARIATIONS 1. A variation (alternative) from the stormwater rule Y or N "/A provisions has been implemented. 2. The variation provides equal or better stormwater control Y or N NSA and equal or better protection of surface waters. E. COMPLIANCE WITH OTHER REG LATORY PROGRAMS Y or N NIA has been met. F. SIZING -the volume of the SCM takes the runoff from all surfaces into account and is sufficient to handle the required Y or N N/A storm depth. G. CONTAMINATED SOILS— infiltrating SCM's are not Y or N WA located in or on areas with contaminated soils. H. SIDE SLOPES 1. Vegetated side slopes are no steeper than 3H:1 V. Y or N N/A 2. Side slopes include retaining walls, gabion walls, or Y or N N/A other surfaces that are steeper than 3H:1 V. 3. Vegetated side slopes are steeper than 3H:1 V (provide Y or N N/A supporting documents for soils and vegetation). I. EROSION PROTECTION 1. The inlets do not cause erosion in the SCM. Y or N NIA 2. The outlet does not cause erosion downslope of the Y or N discharge point during the peak flow from the 10 year "/A storm. J. EXCESS FLOWS—An overflow/ bypass has been Y or N NIA provided. K. DEWATER NG—A method to drawdown standing water has Y or N been provided to facilitate maintenance and inspection. NIA L. CLEANOUT AFTER CONSTRUCTION—the SCM has been Y or N N/A cleaned out and converted to its approved design state. M. MAINTENANCE ACCESS 1. The SCM is accessible for maintenance and repair. Y or N NiA 2. The access does not include lateral or incline slopes Y or N N/A >3:1. N. DESIGNER QUALIFICATIONS (FAST-TRACK PERMIT)— The designer is licensed under Chapters 89A, 89C, 89E, or Y or N N/A 89F of the General Statutes. Provide an explanation for every MDC that was not met, and for every item marked "N/A" or "WE", below. Attach additional pages as needed: Response for N/A: There are no SCM's part of this permit since this project is low-density. Page4of7 State Stormwater Management Permit No. SW3210803 AS-BUILT DESIGNER'S CERTIFICATION FOR LOW DENSITY PROJECTS I hereby state that I am a licensed professional and I certify by my signature and seal below, that I have observed the construction of the project named above to the best of my abilities with all due care and diligence, and that the project meets all of the MDC found in 15A NCAC 02H.1003, in accordance with the permit documents, plans and specifications on file with or provided to the Division, except as noted on the"AS-BUILT" drawings, such that the intent of the stormwater rules and the general statutes has been preserved. ❑ Check here if this is a partial certification. Section or phase ❑ Check here if this is part of a Fast-Track As-Built Package Submittal per 15A NCAC 02H .1044(3). ® Check here if the Designer did not observe the construction but is certifying th r ject. ❑ Check here if pictures of the project are provided. Printed Name Douglas K. Draffen Signature o�m i NC Registration Number 031496 Date 1/30/2024 A m uldp13 Consultant's Mailing Address: do SEAL: %%% �Vk CARO'',,, Q .• """' •. / 8020 Tower Point Drive ?0QOFESSIpNg�y9 SEAL City: Charlotte State: NC Zip: 28227 031496 Phone:(704) 841.2588 Consultant's Email address: KDraffen@mckimcreed.com (D Circle N if the as-built value differs from the Plan/permit. If N is circled, provide an explanation on page 3. ® N/E = Not Evaluated (provide explanation on page 2). ON/A= Not Applicable to this project/plan. Consultant's Certification (MDC 15A NCAC 02H .1003) Project Density and Built-Upon AreaOAs-built ON/E ON/A 1. The project has areas of high density based on natural drainage Y or NO area boundaries,variations in land use or construction phasing. 2. The project's built-upon area does not exceed the maximum limit OY or N specified in the permit. Dispersed FlowOAs-built OO N/E ON/A 1. The project maximizes dispersed flow through vegetated areas YOor N and minimizes channelized flow. Page 5 of 7 State Stormwater Management Permit No. SW3210803 Vegetated Conveyances 0)As-built ®N/E ®NIA 1. Stormwater that is not released as dispersed flow is transported O or N by vegetated conveyances. 2. The project has a minimal amount of non-vegetated conveyances O or N to reduce erosion. 3. Other than minimal piping under driveways and roads, no piping YY or N has been added beyond what is shown on the approved plans. 4. Side slopes are no steeper than 311:1 V. Y&or N 5. The conveyance does not erode in response to the peak flow from O or N the 10-year storm. Curb outlet systems (if applicable) (DAs-built ®N/E GUA 1. The swale or vegetated area can carry the peak flow from the IS)or N 10-year storm at a non-erosive velocity. 2. The longitudinal slope of the swale or vegetated areas does not OY or N exceed 5%. 3. The swale has a trapezoidal cross-section and a minimum bottom (:Y)or N width of two feet. 4. The minimum length of the swale or vegetated area is 100 feet. OY or N 5. Side slopes are no steeper than 311:1 V. OY or N 6. The project utilizes treatment swales designed per Section .1061 O or N in lieu of the curb outlet system requirements. Vegetated Setbacks (if applicable) OAs-built ®N/E ®N/A 1. The width of the vegetated setback is at least 50'. Y or 2. The width of the vegetated setback has been measured from the normal pool of impounded waters, the MHW line of tidal waters, Y or N or the top of bank of each side of rivers or streams. 3. The vegetated setback is maintained in grass or other vegetation. YO or N 4. BUA that meets the requirements of NCGS 143-214.7(b2)(2) is Oor N located in the setback. 5. BUA that does NOT meet the requirements of NCGS 143- 214.7(b2)(2) is located within the setback and is limited to: • Publicly-funded linear projects (road, greenway, or sidewalk) Y or N • Water dependent structures • Minimal footprint uses such as poles, signs, utility appurtenances, and security lights. 6. The amount of BUA within the setback is minimized, and OY or N channeling of the runoff from the BUA has been avoided. 7. Stormwater is not discharged (via swale or pipe) through a vegetated setback. Stormwater is released at the edge of the (Dor N setback and allowed to flow through the setback as dispersed flow. Pape 6 of 7 State Stormwater Management Permit No. SW3210803 Outlets OAs-built ON/E GN/A 1. Stormwater outlets do not cause erosion downslope of the Y or N discharge point during the peak flow from the 10-year storm. Variations OAs-built OO N/E GN/A 1. The project has variations from the MDC that were not previously Y or ON approved. (Modification may be required.) Deed restrictions (if applicable) OAs-built ON/E ®N/A 1. Deed restrictions are recorded and ensure that the project and the BUA will be maintained in perpetuity consistent with the O or N permit, approved plans, and specifications. For Subdivisions Only (Residential or Commercial) OAs-built ON/E ©N/A 1. The number of platted lots is consistent with the approved plans. O or N 2. The project area is consistent with the approved plans. O or N 3. The layout of the lots and streets is consistent with the approved (Y)or N plan. 4. The width / radius of streets, paved accesses, cul-de-sacs and O or N sidewalks is consistent with the approved plan. 5. No piping, other than those minimum amounts needed under a Oor N driveway or under a road, has been added. 6. The lot grading, road grading, vegetated conveyances, piping, Y or(: inverts, and elevations are consistent with the approved plans. Provide an explanation below for every MDC that was not met, and for every item marked "N/A" or "N/E." Attach additional pages as needed. THE VEGETATED CONVEYANCE BETWEEN LOTS 1 AND 2 IS BEING RECONSTRUCTED SINCE IT WAS DISRUPTED BY ON-LOT GRADING AND WILL BE BROUGHT BACK INTO COMPLIANCE. Pape 7 of 7 State Stormwater Management Permit No. SW3210803 Attachment B Built-Upon Area (BUA) Allocations Lot Number Maximum Allowable BUA sf 1 7,530 2 7,660 3 9,365 4 9,365 5 9,365 6 9,365 7 9,365 8 9,365 9 6,520 10 6,550 Pape 1 of 1