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Home My WebLink AboutSW4221202_Supplement-EZ Form_20230815SUPPLEMENT-EZ COVER PAGE ............................................................................................................................................................................................................................................................................. ...... Project Name . . ... . Dollar General Store #08606 Project �Area (ac) 4 Surface Water Area.(ac) 1121,1111, 1111111-w e a ............................................................................................................................. ja1nisp�qjeqHi horLo D n ity? High ... ... ... ... ... ... ... ... ... ... ... ... ... ... . 6 Does this project use an off site SCM? TH 02H .1003 (4) ............................................................................................................................................................. . ... ....�idth �of e9stat d tb ckap t) r9yIded N... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... Will the vegetated setback remain vegetated? J! qy�� is erap, se! in the setback, does it meet NCAC 021-1,199S(l)(9- d)? ............................ . . ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 10 Is streambank stabilization proposed on this project? PE OF SCMs: iltration System 12 Pioretention Cell 13 Wet P991 11 §tprmwater Wetland 15 Permeable Pavement 16 Sand Filter 17 Rainwater Harvesting (FM) 18 Green Rqpf 19 Level Spreader -Filter Strip (L§:F§) 29 Disconnected Impervious Surface (P!§) 21 Treatment ?? Dry Pond.., 23 §tprrnffilter ?I §ilya Cell ?� Payfilter - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 26 Filterra IFICATION PE,- Pnneipall E99J,nee'r-1 ?§ grgagization: BREC, PA ?? Street address: .......... 1520 Meaqqwyievv Drive 39 City,State, S a e, Zip: Wilkesboro, NC 28697 31 Phone m4rnber(s): ... ... ... ... ... ... ... ... ... ... 32 Email: justin@brec.biz Certification Statement: I certify, under penalty of law that this Supplement-EZ form and all supporting information were prepared under my direction or supervision; that the information provided in the form is, to the best of my knowledge and belief, true, accurate, and complete; and that the engineering plans, specifications, operation and maintenance agreements and other supporting information are consistent with the information provided here. �A CARO S's /Ci 0 ..,0 0 Z SEAL 035736 �''sr�N c. cNv�. �� Signature (ff Designer 06/29/2023 Date M 1 Is this a high density project? Yes so, number of drainage areas/SCMs 1 3 JlOoes this project have low density areas J Pao ............. .............. ........ ..........If soy number of low density drainage areas 0 Is all/part of this project subject to previous rule 5 versions? No SkWNAGE AREA INFORMATION Entire Site .... . . . ..... ..... — izR�� ... ... ... ... ... ... ... ... ... ... ... ... ... ... . ... ... ... ... ... ... ... ... ... ... ... ... ... .............. 5 Total draina e areas iift 76063 52496 Onsite drai!122L.areas ft 7 Offsite drairi,qge area (s,g 0 5545 .............. ........................... .. ............... ................................n .....p q... A) ................................................................................................. sf 41446 sf ew BUA on subdivided lots (subject to 9 permitting) (sq 1) sf sf New BUA not on subdivided lots (subject to permit 11 ........................... Offsite BUA sf ......................................................... ...................................................................................................................................................... 5545 sf 12 JBreakdown of new BUA not on subdivided lot s,g ,ft) ... .................................................................................... Sidewalk (sq ft) 2292 sf 2292 sf . ................ Roadway (sift} sf sf ( s A q ........................... ................................................... .. . ...... .................................................................................................................................................................. - Other, please specify in the comment box below( q A) ...................................................................................................................sf sf.. ... ... ... ... ... . New infiltrating permeable pavement on Jsubdivided,,,lots 13 _(sq........................................ ......................................................................................................................................... ew infiltrating permeable pavement not on Jsubdivided 14 lots ft) ........................................................................................................................... ... ... ... ... ... .. ... ... ... ... ... ... ... ... ... ... ... .. ... ... ... ... ... . Existing isting BUA that will remain (not subject to 15 J permitting) (sq ft) sf sf ......... . ... 17 Existin� E3UA that will be remaved (sq ft)... 6584 sf J 6584 sf J 18 Percent BUA 48% 79% J J 1.0 in Design volume of SCM (cu ft) - --- -- - , -- - ---- - method for design volume SHULER ZIDITIONAL --- —— INP6Za&W' Please use this space to provide any additional information about the I 22 drainage area(s): 'b'e'1'0'0'%' 64sit'e' drainage area' s' draining to S' C'Mare assumed to BUA' for design purposes; however, current conditions are a mix of grass and roadway pavement. SAND FILTER i [ brainacie area number . . . . . . 4 Is the SCM located away from contaminated soils? Yes What are the side slopes of the §9M (�M? 3: 11 Does the SCM have retaining walls, gabion walls or other 6 Yes engineered side slopes? 7 Are the inlets, outlets, and receiving stream protected from erosion Yes 0 2-YeRK storm)? 8 Is there an over or bypass for inflow volume in excess of the Yes �Iesiqq yq!yme?• 9 What is the method for clewatering the SCM for maintenance? Pump (pre . . . 10 If applicable, will the SCM be cleaned out after construction?�. 11 R92s the Maintenance access comply with General MDC (8)? 12 R92s the drainage easement comply with General MDC (9)? -,Yes, Yes 13 If the SCM is on a single family lot, does (will?) the plat comply with N/A Genera! MDC (19)? 14 Is there an O&M Agreement that complies with General MDC (11)? Yes s there an O&M Plan that complies with General MDC (12)? 15 I• Y•es id Does the §9M !o!!qw the device specific MDC? Yes lEas the SCM clesianed by an NC licensed professional? Yes SFIWT elevation (fmsi) Type of sand filter (open or closed) If closed, ill the filter will be pre -cast or pour -in -place? If closed, iop of grate elevation (fmsi) ment am r Volume that can be retained in the sediment chamber (cubic feet) Will there be a permanent pool in the sediment chamber? !12 2!..! 2 !2�iment chamber (fmsi) ...................................................................................................................................................................................................................... o!th2 sediment chamber (square feet) Ing depth in the sediment chamber, above any permanen inches) Bottom of the sand chamber (fmsi) Area of the sand chamber (square feet) Physical depth of the sand chamber (inches) Ponding depth in the sand chamber, above the sand su ace (inches) ....................................................................................................................................................................................................................................................................... 'i �;Tion o! the bypass device (fmsi) Type of bypass device Mechanism for distributing flow over the sand surface .... ............................................................................................................................................................................................................................................................................................... 'and specification for sand chamber j 9b2Y2 ypderdrain pipe (inches) the sand surface? ...................................................................................................................................................................................................................................................................................................... Is at least one clean -out pipe provided at the low point of each underdrain line? 43�Please use this space to provide any additional information abou the sand filter(s): ign is'a'hybrid ' a'b'o'v'e'g'ro'u'n'd'/b'e'lo'w' 'ground' 'solution' 'The 'sediment nber is split between above ground and below ground, and all of the I chamber is below ground (closed bottom). Sand Filter 3 10:29 AM 4/4/2023