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Home My WebLink AboutSW6200904_Supplement-EZ Form_20220214SUPPLEMENT-EZ COVER PAGE FORMS LOADED PROJECT INFORMATION 1 Project Name Timberland Ranch 2 Project Area (ac) 524.24 3 Coastal Wetland Area ac 4 Surface Water Area (ac) 5 Is this project High or Low Density? Low 6 _ Does this project use an off -site SCM? No POMPLIANCE WITH 02H .1003(4) 7 Width of vegetated setbacks provided feet N/A 8 Will the vegetated setback remain vegetated? N/A 9 If BUA is proposed in the setback, does it meet NCAC 02H,1003 4 c-d ? No 10 Is streambank stabilization proposed on this project? No NUMBER AND TYPE OF SCMs: 11 Infiltration System 8 12 Bioretention Cell 0 13 Wet Pond 0 14 Stormwater Wetland 0 15 Permeable Pavement 0 16 ISand Filter 0 17 Rainwater Harvesting RWH) 0 18 Green Roof 0 19 Level Spreader -Filter Strip LS-FS 0 20 Disconnected Impervious Surface (DIS) 0 21 Treatment Swale 0 22 Dry Pond 0 23 JStormFilter 0 24 Silva Cell 0 25 Ba filter 0 26 Filterra 0 FORMS LOADED DESIGNER CERTIFICATION 27 Name and Title. Carlo Pardo. PE 28 Organization: Bowman North Carolina, Ltd. 29 Street address: 4006 Barrett Drive, Suite 104 30 City, State Zip: Raleigh. NC 27609 31 Phone numbers : 919-553-6570 32 1 Email: cpardo@bowman.com 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. ��'',��1lLllitillti►IIJ •••••04� H C ARO 5 10/f SEAL _ 051571 %r •'••.4G1N�. ' 'a Signs m of Designer` Date DRAINAGE AREAS 1 Is this a hicih density project? No 2 If so, number of drainage areas/SCMs 0 3 Does this project have low density areas? Yes 4 If so, number of low density drainage areas 8 5 Is all/part of this project subject to previous rule versions? No FORMS LOADED DRAINAGE AREA INFORMATION Entire Site LD 1 LD 2 LD 3 LD 4 4 Type of SCM Infiltration Trench Infiltration Trench Infiltration Trench Infiltration Trench 5 Total drainage area �sq ft 22835894 sf 212925 80165 111705 185040 6 Onsite drainage area (sq ft 22835894 sf 212925 80165 111705 185040 7 Offsite drains a area (sq ft 8 Total BUA in project (sq ft 1009888 sf 113469 sf 48933 sf 81750 sf 117141 sf 9 New BUA on subdivided lots (subject to permitting) (sq ft 894000 sf 84000 sf 36000 sf 72000 sf 96000 sf 10permitting) New BUA not on subdivided lots (subject to s 115888 sf 29469 sf 12933 sf 9750 sf 21141 sf 11 Offsite BUA (sq ft 12 Breakdown of new BUA not on subdivided lots: Parking (sq ft) Sidewalk �sg ft 6046 sf 4702 sf 1344 sf Roof (sq ft Roadway s ft 104497 sf 24767 sf 11589 sf 9750 sf 15796 sf Future (sq ft Other, please specify in the comment box below (sq ft 5345 sf 5345 sf 13 New infiltrating permeable pavement on subdivided lots (sq ft 14 New infiltrating permeable pavement not on subdivided lots (sq ft 15permitting) Existing BUA that will remain (not subject to s ft 16 Existing BUA that is already permitted (sq ft 17 Existing BUA that will be removed (sq ft 18 Percent BUA 4% 53% 61% 73% 63% 19 Design storm inches 1.0 in 1.0 in 1.0 in 1.0 in 20 Design volume of SCM cu ft 9397 cf 4004 cf 6597 cf 9557 cf 21 1 Calculation method for design volume Simple Method 1 Simple Method I Simple Method Simple Method ADDITIONAL INFORMATION 22 Please use this space to provide any additional information about the drainage area(s): LD4 Other: Mail Kiosk Impervious DRAINAGE AREAS 1 Is this a high density project? No 2 If so, number of drainage areas/SCMs 0 3 Does this project have low density areas? Yes 4 If so, number of low density drainage areas 8 5 Is all/part of this project subject to previous rule versions? No FORMS LOADED DRAINAGE AREA INFORMATION Entire Site LD 5 LD 6 LD 7 LD 8 4 Type of SCM Infiltration Trench Infiltration Trench Infiltration Trench Infiltration Trench 5 Total drainage area (sq ft 22835894 sf 96006 113711 182260 201552 6 Onsite drainage area (sq ft 22835894 sf 96006 113711 182260 201552 7 Offsite drainage area (sq ft 8 Total BUA in project (sq ft 1009888 sf 81698 sf 24000 sf 134033 sf 167080 sf 9(sq New BUA on subdivided lots (subject to permitting) ft 894000 sf 72000 sf 24000 sf 120000 sf 150000 sf 10permitting) New BUA not on subdivided lots (subject to s 115888 sf 9698 sf 14033 sf 17080 sf 11 Offsite BUA (sq ft 12 Breakdown of new BUA not on subdivided lots: Parking (sq ft Sidewalk Lsq ft 6046 sf Roof (sq ft Roadway s ft 104497 sf 9698 sf 14033 sf 17080 sf Futuresq ft Other, please specify in the comment box below (sq ft 5345 sf 13 New infiltrating permeable pavement on subdivided lots (sq ft 14 New infiltrating permeable pavement not on J subdivided lots (sq ft 15permitting) Existing BUA that will remain (not subject to s ft 16 Existing BUA that is already permitted (sq ft 17 Existing BUA that will be removed (sq ft) 18 Percent BUA 4% 85% 21% 74%u 83% 19 Design storm (inches) 1.0 in 1.0 in 1.0 in 1.0 in 20 1 Desi n volume of SCM cu ft 6527 cf 2274 cf 10812 cf 13371 cf 21 1 Calculation method for design volume Simple Method Simple Method Simple Method Simple Method ADDITIONAL INFORMATION 22 Please use this space to provide any additional information about the drainage area(s): LD4 Other: Mail Kiosk Impervious