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Home My WebLink AboutSW6200902_PN80774 SOF SERE Resistance Training Complex - Supplement EZ_20200924SUPPLEMENT-EZ COVER PAGE FORMS LOADED PROJECT INFORMATION Project Name SOF SERE Resistance Training Complex 1 2 Project Area ac 6254 _ 3 Coastal Wetland Area ac 0 4 Surface Water Area ac 0 5 Is this project High or Low Dens' High 6 Does this project use an off -site SCM? No CO OLIANCE WITH 02H .1003(4) 7 Width of vegetated setbacks provided feet _ _ 100+ 8 Will the vegetated setback remain vegetated? Yes 9 Is BUA other that as listed in .1 0034 c-d out of the setback? No 10 Is streambank stabilization proposed on this project? No NUMBER AND TYPE .,,ME 1 Infiltration System 0 g 11 12 Bioretention Cell 0 13 Wet Pond 2 14 Storrnwater Wetland 0 15 Permeable Pavement 0 16 Sand Fitter 0 17 Rainwater Harvesting RWH 0 18 lGreen Roof 0 19 Level Sp reader -Fitter Strip LS-FS 0 20 Disconnected Impervious Surface (DIS) 0 21 Treatment Swale 0 22 Dry Pond 0 23 StormFilter 0 24 Silva Cell 0 25 1 Bayfilter 0 26 Filterra 0 FORMS LOADED rNEWQERTiFICATION_ Name and Title: _ F. Michael Mayer, P.E. -� Organization: Mason 8 Hanger Street address: 300 W. Vine Street, Suite 1300 City, State, Zip: Lexington, KY 40507 Phone number(s): (859j 252-9980 Email: mike.mayer@masonandhanger.com ,Certification Statement: I certify, under penalty of law that this Supplemept-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. ``,,1►1111l1111' 0.. 'Fess/o 9 i2- •� SEAL -�4 Signa ure of Desi Date Qt11tZo20 DRAINAGE AREAS 1 Is this a high densi IDOct? Yes 2 If so, number of drainage areas/SCMs 2 3 Is all/part of this project subject to previous rule versions? 'No CLICK TO LOAD FORM DRAINAGE AREA INFORMATION Entire Site ITYPe of SCM JTotal BUA in project sq ft) 199440 sf _. _..--_.__-- 1 Wet Pond 1 123922 sf 4 5 New BUA on subdivided lots (subject to permitting) 6 (sq ft New BUA outside of subdivided kits (subject to 7permitting) s 199440sf 123922 sf 8 Offsite - total area ft 9 Offsite BUA (sq ft 10 Breakdown of new BUA outside subdivided lots: - Parking (sq ft 31639 sf 31639 sf - Sidewalk (sq ft 4105 sf 2877 sf - Roof ft 32297 sf 17712 sf - Roadwa [sq ft 24841 sf 11108 sf - Future (sq ft - Other, please specify in the comment box below (sq ft 106558 sf 60586 sf New infiltrating permeable pavement on 11 subdivided lots (sq ft New infiltrating permeable pavement outside of 12 subdivided lots (sq ft Exisitng BUA that will remain (not subject to 13permitting) s ft 14 Existing BUA that is already permitted (sq ft 15 Existina BUA that will be removed (sq ft 16 Percent BUA 70% 67.5% 17 Design storm inches 1 in 1 in 18 Design volume of SCM (cu ft) 21912 c_f_ 14358 cf 19 'Calculation method for design volume HTR HTR ADDITIONAL INFORMATION Please use this space to provide any additional information about the 20 drainage areas : The other BUA is gravel training area, gravel landscape areas, mulch training pits, concrete pads. The roadways and parking areas are gravel. Sidewalks are concrete. DRAINAGE AREXINFORMATION Entire Site 1 Wet Pond 199440 sf 123922 sf 4 Type of SCM 5 Total BUA from project (sq ft) 6 1995 rules SL 2006-246 2008 rules X X 2017 rules _ New BUA on subdivided lots (subject to 7 permitting) (sq ft) 1995 rules SL 2006-246 2008 rules 2017 rules 8 New BUA outside of subdivided lots (subject to permitting) (sf) 1995 rules SL 2006-246 123922 sf 2008 rules 2017 rules 199440 sf 9 Offsite - total area (sq ft) 1995 rules SL 2006-246 2008 rules 2017 rules 10 Offsite BUA (sq ft) 1995 rules SL 2006-246 2008 rules - - 2017 rules 11 Design storm (inches) 1995 rules SL 2006-246 1 in — 31639 sf 4105 sf 2008 rules 2017 rules 1 in 12 Breakdown of new BUA: Parking (sq ft 31639 sf 2877 sf 17712 sf 11108 sf - Sidewalk ft - Roof ft 32297 sf - Roadway ft 24841 sf - Future ft - Other, please specify in the comment box below (sq ft 106558 sf 60586 sf 13 New infiltrating permeable pavement on subdivided lots (sq ft 14 New infiltrating permeable pavement outside of subdivided lots (sq ft 15permitting) Exisitng BUA that will remain (not subject to s ft 16 1 Existing BUA that is already permitted (sq ft _ 67.5% ^ 14358 cf HTR 17 Existing BUA that will be removed s ft 18 Percent BUA 70% 19 Design volume of SCM cu ft 21912 cf 20 Calculation method for design volume HTR ADDITIONAL INFORMATION Please use this space to provide any additional 21 information about the drainage area(s): _ The other BUA 'is gravel training area, gravel landscape areas, mulch training pits, concrete pads. The roadways and parking areas are gravel. Sidewalks are concrete. DRAINAGE AREAS 1 Is this a hi h densi ro'ect? Yes 2 If so, number of drainage areas/SCMs 2 3 Is all/part of this project subject to previous rule versions? No CLICK TO LOAD FORM DRAINAGE AREA INFORMATION Entire Site 4 1 Type of SCM 5 Total BUA in prq1qqAjq ft 199440 sf -- ---- _._......__.---.....-- New BUA on subdivided lots (subject to permitting) 6 (sq ft New BUA outside of subdivided lots (subject to 7permitting) s 199440 sf 1 Wet Pond 2 75518 sf 75518 sf 8 Offsite - total area ft 9 Offsits BUA (sq ft 10 Breakdown of new BUA outside subdivided lots: - Parkin ft 31639 sf 1228 sf 14585 sf 13733 if - Sidewalk ft 4105 sf - Roof ft 32297 sf - Roadway (sq ft 24841 sf - Future (sq ft - Other, please specify in the comment box below (sq ft) -_- New infiltrating permeable pavement on 1 subdivided lots (sq ft 106558 sf 45972 sf 11 12 _.. _....------.-_--- New infiltrating permeable pavement outside of subdivided lots fl 13permitting) Exisitng BUA that will remain (not subject to s ft 14 Existing BUA that is already emitted (sq ft 15 Existing BUA that will be removed (sq ft _ 74.5% 16 Percent BUA 70% Design storm inches 1 in Design volume of SCM (cu ft) 21912 cf Calculation method for design volume HTR -L•INFORMATION 17 1 in 18 7554 cf 19 HTR ADDITION 20 Please use this space to provide any additional information about the drainage area(s)._ The other BUA is gravel training area, gravel landscape areas, mulch training pits, concrete pads. The roadways are gravel. Sidewalks are concrete. DRAINAGE AREA INFORMATION Entire Site 1 Type . of SCM Wet Pond Total BUA from project (sq ft) 199440 sf 75518 sf 1995 rules SL 2006-246 2008 rules 4 5 6 2017 rules X X 7 New BUA on subdivided lots (subject to 1 permitting) (sq ft) 1995 rules _ SL 2006-246 2008 rules _ 2017 rules 8 New BUA outside of subdivided lots (subject to permitting) (sf) 1995 rules SL 2006-246 2008 rules 2017 rules 199440 if 75518 sf 9 Offsite -total area (sq ft) 1995 rules SL 2006-246 2008 rules 2017 rules 10 Offsite BUA (sq ft) 1995 rules SL 2006-246 2008 rules 2017 rules 11 Design storm (Inches) 1995 rules SL 2006-246 2008 rules 2017 rules 1 in 1 in 12 Breakdown of new BUA: - Parking (sq ft 31639sf - Sidewalk ft 4105 sf 1228`rsf - Roof ft 32297'sf 14585 sf - Roadway (sq ft) - Futures ft - Other, please specify in the comment box below (sq ft 24841 sf 13733 sf 106558 sf 45972 sf 13 New infiltrating permeable pavement on subdivided lots (sq ft 14 New infiltrating permeable pavement outside of subdivided lots (sq ft 15permitting) Exisitng BUA that will remain (not subject to ft 16 Existing BUA that is already permitted (sq ft 17 Existing BUA that will be removed (sq ft 18 Percent BUA 70% 74.5% 19 Design volume of SCM cu ft 21912 of 7554 cf 20 Calculation method for design volume HTR HTR ADDITIONAL 21 INFORMATION Please use this space to provide any additional information about the drainage area(s): The other BUA is gravel training area, gravel landscape areas, mulch training pits, concrete pads. The roadways and parking areas are gravel. Sidewalks are concrete. WET POND 1 Drainage area number 1 2 2 Design volume of SCM (cu ft) 14358 cf 7554 cf GENERAL MDC FROM 02H .1050 3 Is the SCM sized to treat the SW from all surfaces at build -out? Yes Yes :::Cis the SCM located away from contaminated soils? ^ Yes Yes 5 1 What are the side slopes of the SCM (H:V)? 3:1 3:1 Does the SCM have retaining walls, gabion walls or other engineered 6 side slopes? No No 7 Are the inlets, outlets, and receiving stream protected from erosion (10-yearstorm)? Yes Yes 8 Is there an overflow or bypass for inflow volume In excess of the design volume? Yes Yes 9: What Is the method for dewatedng the SCM for maintenance? Pump (preferred) Pump (preferred) 10 If applicable, will the SCM be cleaned out after construction? Yes Yes 11 Does the maintenance access comply with General MDC (8)? Yes Yes 12 Does the drainage easement comply with General MDC (9)? H the SCM is on a single family lot, does (will?) the plat comply with General MDC (10)? Yes Yes 13 Yes Yes 14 Is there an O&M Agreement that complies with General MDC (11)? Yes Yes 15 Is there an O&M Plan that complies with General MDC (12)? Yes Yes 16 Does the SCM follow the device specific MDC? Yes Yes HRT Yes Yes Yes HRT Yes 257.50 258.00 264.00 264.00 265.00 265.50 3890:1 11892 cf 3.10 ft Equation 2 17' Was the SCM designed by an NC licensed professional? WET POND MDC FROM 02H .1053 18 Method used 19 Has a stage/storage table been provided in the calculations? Elevation of the excavated main pool depth (bottom of sediment 20 removal) (fmsl) 256:00 25650 21 Elevation of the main pool bottom4top of sediment removal) (fmsl) 22 Elevation of the bottom of the vegetated shelf (fmsl) 26210 23 Elevation of the permanent pool (fmsl) 262.60 24 Elevation of the top of the vegetated shelf (fmsl) 263.66 25 Elevation of the temporary pool (fmsl) 264.56 26 Surface area of the main permanent pool (square feet) 4553:1 27 Volume of the main permanent pool (cubic feet) 14476 d 28 Average depth of the main pool (feet) 3.20 ft 29 Average depth equation used Equation 2 301 If using equation 3, main pool perimeter (feet) 31 If using equation 3, width of submerged veg. shelf (feet) 32 Volume of the forebay (cubic feet) 2157 of 2344 of 33 Is this 15-20% of the volume in the main pool? Yes Yes 34 Clean -out depth for forebay (inches) _ 6 in 61in 35 Design volume of SCM (cu ft) 14594 of 7554 of 36 Is the outlet an orifice or a weir? Orifice Orifice 37 If orifice, orifice diameter (inches) 2 in U in 38 If weir, weir height (inches) 39 If weir, weir length (inches) 40 Drawdown time for the temporary pool (days) 2.04 2.93 41 Are the inlet(s) and outlet located in a manner that avoids short- circuiting? Yes Yes 42 Are berms or baffles provided to improve the flow path? No No 43 Depth of forebay at entrance (inches) 37 in 30 in 44 Depth of forebay at exit (inches) 31 in 48 in 45 Does water flow out of the forebay in a non -erosive manner? Yes Yes 46 Width of the vegetated shelf (feet) 6 ft 6'ft 47 Slope of vegetated shelf (H:V) 6:1 6:1 48 Does the orifice drawdown from below the top surface of the permanent pool? Yes Yes 49 Does the pond minimize impacts to the receiving channel from the 1- yr, 24-hr storm? Yes Yes 50 Are fountains proposed? (If Y, please provide documentation that MDC(9) is met.) No No 51 1 Is a trash rack or other device provided to protect the outlet system? Yes Yes 52 Are the dam and embankment planted in non -clumping turf grass? Yes Yes Yes Yes 53 Species of turf that will be used on the dam and embankment 54 Has a planting plan been provided for the vegetated shelf? ADDITIONAL INFORMATION Please use this space to provide any additional information about the 55 wet pond(s): With item 35, Deisgn Volume of SCM, the number listed here is the actual volume of the temporary pool and the volume used to determine the drawdown. Wet Pond 6 9:26 AM 9/16/2020