The URL can be used to link to this page

Home My WebLink About20081121 Ver 2_Stormwater Info_20120731Summey Engineering Associates, PLLC Engineering - Land Planning - Consulting P O Box 968 Asheboro, NC 27204 Phone 336 328 0902 - Fax 336- 328 -0922 July 24 2012 Re Ms Annette Lucas PE North Carolina Division of Water Quality Wetlands & Stormwater Unit 512 North Salisbury Street Raleigh North Carolina 27604 Diamonds Keep Subdivision Permit Modification DWQ # 08 1121 V X Randolph County NC SEA Jobr1,.E 1524 �CC JUL U12/J Dear Ms Lucas w�'r Please find enclosed two(2) completed revised permit modification applications mclu in the Supplement forms for Ponds 1 & 2 for the revision of two(2) wet detention ponds on this project Only the revised plans have been submitted since no changes were made to the others For some history to explain the need for this modification or revision when the bad economy hit in 2008 it slowed the developer down on the work The bank wanted the developer to go ahead and build 2 houses in the development so he did One lot was located in a drainage basin that did not need a BMP the other was not When the possibility came to sell the home, the developer had a contractor come and complete the two detention ponds When the work was completed we had the survey done for certification and found out the contractor had modified the existing sediment traps in the wrong location and were not even close to the correct size We met on site to try to figure out a way to modify what was there and save all we could We can save some but not much The subdivision has now been foreclosed on and is bank owned and another developer is trying to salvage it Should you have any questions or comments or need additional information please do not hesitate to call or email me Very Truly Yours Summey Engmeerm Associates PLLC . ff- H Mack Summey Jr P HMSJ/hmsj c File Permit No (to be provided by DWQ) �� oa�p W A TF9PG NCDENR Y STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form must be filled out printed and submitted The Required Items Checklist (Part III) must be printed filled out and submitted along wdh all of the required information i PROJECT INFORMATION Project name Diamonds Keep Subdivision Contact person H Mack Summey Jr PE Phone number 336 - 328 -0902 Date 7119/2012 Drainage area number 1 Site Characteristics Drainage area Impervious area post - development % impervious Design rainfall depth Storage Volume Non SA Waters Minimum volume required Volume provided Storage Volume SA Waters 15 runoff volume Pre - development 1 yr 24 hr runoff Post - development 1 yr 24-hr runoff Minimum volume required Volume provided Peak Flow Calculations Is the pre /post control of the 1yr 24hr stone peak flow required? 1 yr 24 hr rainfall depth Rational C pre - development Rational C post - development Rainfall Intensity 1 yr 24 hr storm Pre - development 1 yr 24 hr peak flow Post development 1 yr 24 hr peak flow Pre /Post 1 yr 24 hr peak flow control Elevations Temporary pool elevation Permanent pool elevation SHWT elevation (approx at the perm pool elevation) Top of 1 Oft vegetated shelf elevation Bottom of 1 Oft vegetated shelf elevation Sediment cleanout top elevation (bottom of pond) Sediment cleanout bottom elevation Sediment storage provided Is there additional volume stored above the state required temp pool'? Elevation of the top of the additional volume k�rl I P j j'... 691733 fez ` � � 1 203 860 fe 2947 °/ rreblz it 23 in 7 t 6 51883 ft3 '"� deb. —'n QUA 87 911 ft3 OK volume provided Is equal to or in excess of volume required ft3 ft3 ft3 Lit ft" Y (Y or N) 28 in 0 30 (unitless) 0 50 ( unitless) 012 in/hr OK 0 5T ft3/sec 0 96 f3 /sec 0 39 ft3 /sec 739 60 fmsl 738 00 fmsl 738 00 fmsl 738 05 fmsl 73795 fmsl Data not needed for calculation option #1 but OK If provided 735 00 fmsl 73300 fmsl Data not needed for calculation option #1 but OK If provided 200 ft (Y or N) fmsl Form SW401 Wet Detention Bas n Rev 9- 4/18/12 Parts I & 11 Design Summary Pagel of 2 Permit No (to be prov ded by DWQ) II DESIGN INFORMATION Surface Areas Area temporary pool 14 617 fe OK Area REQUIRED permanent pool 9131 fe OK SAIDA ratio 132 (unitless) OK Area PROVIDED permanent pool App„ -Poa 10 914 ft` OK Area bottom of 1 Oft vegetated shelf Ab,t half 9 821 ff OK Area sediment cleanout top elevation (bottom of pond) Ab,t -o d 4 220 ft' OK Volumes 3 0 ft OK Volume temporary pool 87 911 ft3 OK Volume permanent pool VP� „_,w 35 375 fta OK Volume forebay (sum of forebays If more than one forebay) 7 080 ft3 OK Forebay / of permanent pool volume 200/o / OK SAIDA Table Data Design TSS removal 90 / Coastal SAIDA Table Used? N (Y or N) Mountain /Piedmont SAIDA Table Used? Y (Y or N) SAIDA ratio 132 ( unifless) Average depth (used in SAIDA table) Calculation option 1 used? (See Figure 10 2b) Y (Y or N) Volume permanent pool V,—P, 35 375 ft' Area provided permanent pool AP�„_,d 10 914 ft` Average depth calculated 300 ft OK Average depth used in SAIDA da, (Round to nearest 0 5ft) 30 ft OK Calculation option 2 used? (See Figure 10 2b) N (Y or N) Area provided permanent pool AP —.0.1 10 914 ft` Area bottom of 1 Oft vegetated shelf Ab t a di 9 821 fe Area sediment cleanout top elevation (bottom of pond) Abot -pond 4 220 fe Depth (distance b/w bottom of IN shelf and top of sediment) 295 ft Average depth calculated 3 00 It OK Average depth used in SAIDA da, (Round to down to nearest 0 5ft) 3 0 It OK Drawdown Calculations Drawdown through onfice? Y (Y or N) Diameter of onfice (if circular) 250 in Area of onfice (if non - circular) in Coefficient of discharge (CD) ( unitless) Driving head (H ) 160 It Drawdown through weir? N (Y or N) Weir type ( unitless) Coefficient of discharge (C) ( unitless) Length of weir (L) It Driving head (H) ft Pre - development 1 yr 24 hr peak flow 1105 f3 /sec Post development 1 yr 24 hr peak flow 1842 f3 /sec Storage volume discharge rate (through discharge onfice or weir) 035 ft3 /sec Storage volume drawdown time 2 90 days OK draws down In 2 5 days Additional Information Vegetated side slopes 3 1 OK Vegetated shelf slope 10 1 OK Vegetated shelf width 100 ft OK Length of flowpath to width ratio 3 1 OK Length to width ratio 20 1 OK Trash rack for overflow & onfice? Y (Y or N) OK Freeboard provided 3 0 ft OK Vegetated filter provided? N (Y or N) OK Recorded drainage easement provided? Y (Y or N) OK Capures all runoff at ultimate build-out? Y (Y or N) OK Drain mechanism for maintenance or emergencies is Sluice Gate/Valve Forth SW401 Wet Detention Bas n Rev 9- 4/18/12 Parts I & 11 Design Summary Page 2 of 2 Permit No (to be provided by DWQ) Please Indicate the page or plan sheet numbers where the supporting documentation can be found An Incomplete submittal package will result in a request for additional Information This will delay final review and approval of the project Initial in the space provided to Indicate the following design requirements have been met If the applicant has designated an agent the agent may Initial below If a requirement has not been met attach justification Form SW401 Wet Detention Basin Rev 9- 4/18/12 Part III Required Items Checklist Page 1 of 1 Page/ Plan Initials Sheet No 1 1 Plans (1 50 or larger) of the entire site showing Design at ultimate build out Off site drainage (if applicable) Delineated drainage basins (include Rational C coefficient per basin) Basin dimensions Pretreatment system High flow bypass system Maintenance access Proposed drainage easement and public right of way (ROW) Overflow device and Boundaries of drainage easement F_ 2 Partial plan (1 = 30 or larger) and details for the wet detention basin showing Outlet structure with trash rack or similar Maintenance access Permanent pool dimensions Forebay and main pond with hardened emergency spillway Basin cross section Vegetation specification for planting shelf and Filter strip s 3 Section view of the wet detention basin (1 = 20 or larger) showing Side slopes 31 or lower Pretreatment and treatment areas and Inlet and outlet structures 4 If the basin is used for sediment and erosion control during construction clean out of the basin is specified on the plans prior to use as a wet detention basin C 1 5 A table of elevations areas incremental volumes & accumulated volumes for overall pond and for forebay 3111 to verify volume provided 6 A construction sequence that shows how the wet detention basin will be protected from sediment until the entire drainage area is stabilized 7 The supporting calculations 8 A copy of the signed and notarized operation and maintenance (0 &M) agreement Al 9 A copy of the deed restrictions (if required) !A 10 A soils report that is based upon an actual field investigation soil bonngs and infiltration tests County soil maps are not an acceptable source of soils information Form SW401 Wet Detention Basin Rev 9- 4/18/12 Part III Required Items Checklist Page 1 of 1 PERMANENT WET DETENTION POND DESIGN RISER/BARREL CHECKED BY TAK ARCHDALE DATE 11!4/2011 l u l hL JI I c rartul t o du acres PROPOSED BUILT UPON AREA 3 77 acres FUTURE BUILT UPON AREA — 0 00 acres TOTAL ON SITE BUILT UPON AREA 3 77 acres PERCENT BUILT UPON = 23 74 / ON SITE DRAINAGE AREA TO POND = 15 88 acres ON SITE BUA TO POND = 4 68 acres ONSITE / BUA FOR POND SUB BASIN = 29 44 / OFF SITE DRAINAGE AREA TO POND — 0 00 acres TOTAL WATERSHED AREA TO POND — 15 88 acres DISTURBED AREA = 15 88 acres OFF SITE B U A TO POND = 0 00 acres / OF OFF SITE B U A TO POND = 00/ TOTAL B U A TO POND 4 68 acres COMPOSITE B U / = 2944 / TEMP SED STOR USED (Y /N) Y GIVIr V!V \l� JCUIIVICIY 1 J 1 urwcnr- u a acre incn per aisturoea acre PERMANENT SEDIMENT STORAGE 0125 acre in per total drainage area PERMANENT WATER QUALITY DEPTH (minimum 3 feet) 3 0 feet SA/DA 132 percent 1 0 Inch rainfall to be controlled TYPE X corrugated aluminum reinforced concrete DESIGN STORM 10 year RAINFALL INTENSITY 232 inches per hour RUNOFF COEFFICIENT (POST) 05 TYPE X grass lined rip rap lined DESIGN STORM 100 year RAINFALL INTENSITY 5 07 inches per hour RUNOFF COEFFICIENT 0 5 POND DATA ELEV @ BOT OF POND - 73300 SURFACE AREA = 4220 SF ELEV @ BOT OF PSS = 73300 SURFACE AREA = 4220 SF ELEV @ BOT OF PWQ - 73500 SURFACE AREA 6156 SF ELEV @ NORMAL POOL = 73600 SURFACE AREA= 10914 SF ELEV @ TOP OF RISER= 73960 SURFACE AREA= 14617 SF ELEV @ EMER SPILLWAY - 74100 ELEV @ TOP OF DAM = 74300 INVERT OF BARREL = 73510 ELEV @ BOT OF PSS = 73300 SURFACE AREA - ELEV @ BOT OF PWO 73500 SURFACE AREA = VOLUME PROVIDED - 4220 Square Feet 6156 Square Feet 10376 Cubic Feet 'ERMANENT WATER QUALtTY SURFACE AREA REQ D 9131 Square Fe a )RIVAL POOL ELEVATION = 7380 IRFACE AREA PROVIDED - 10914 Sauare Fee OI REQUIRED ELEV @ BOT OF TWQ 73800 SURFACE AREA - ELEV @ TOP OF TWQ = 73960 URFACE AREA = 0 315 in/in 10914 Square Feet P140171Square Feet wet Po d BASIN 1 REV 11 02 11 x1s VOLUME PROVIDED = PRINCIPArg—PIL-WY 741 00 MAX PEAK FLOW= 151 CFS HEAD ABOVE TOP OF RISER = 0 74 ft ELEVATION AT TOP OF RISER 73960 MAXIMUM HOLE SIZE = 0038814133 2 67 In dIa BARREL BARREL SIZE D (in) 24 00 in dia ELEVATION AT TOP OF RISER 73960 ELEVATION OF BARREL INVERT 7351 Hw PROVIDED = 6 24 ft Hw /D PROVIDED= 2621336484 Hw /D REQ D FOR DESIGN STORM (FROM CHART) - 065 Hw REQUIRED = 1 30 ft CHECK CULVERT (INLET CONTROL) = OK 41 (FKUM GHAK 1) A I Hw /U PKUVIUtU = 55 0 CFS RISER RISER (AREA) = 1 5 TIMES AREA OF 24 00 In dIa MIN RISER DIA = 29 39 In dIa RISER DIA USED = 30 in dIa WEIR EQUATION Qw = 16 7 CFS OK ORIFICE EQUATION Qo = 20 4 CFS OK Qw CONTROLS 16 7 CFS RISER CONTROLS 16 7 CFS PRINCIPAL SPILLWAY SYSTEM OK WATER Q ALI E HOLE 741 00 ELEV @ BOT OF WATER QUALITY RELEASE HOLE = 73800 MAXIMUM RELEASE RATE = 2 Days MINIMUM RELEASE RATE = 5 Days MAXIMUM HOLE SIZE = 0038814133 2 67 In dIa MINIMUM HOLE SIZE = 0015525653 169 In dIa ELEV @ EMER SPILLWAY 741 00 DESIGN STORM PEAK FLOW - 40 3 CFS FLOW THROUGH EMER SPILLWAY 26 2 CFS EMER SPILLWAY SIDE SLOPES (ie 3 if 31 0 If vertical) - 3 FLOW DEPTH - 100 ft VELOCITY (ft/sec) - 389 TRACTIVE FORCE (lb /ft 2) 125 BOTTOM WIDTH REQUIRED 3 83 ft Page 2 Wet Pond BASIN 1 REV 11 02 11 1 ELEV @ TOP OF RISER - ELEV @ BOT OF PSS - H= AREA OF RISER VOLUME OF RISER AREA OF BARREL = EXPOSED LENGTH = VOLUME OF BARREL - WEIGHT OF WATER DISPLACED = FACTOR OF SAFETY (1 25 /) VOLUME OF ANCHOR PROVIDED = VOLUME OF ANCHOR REQUIRED = PROJECT Drainage Area Disturbed Area Impervious Surface % Impervious Pool Volume Req d Sods (A B C or D) Scs Curve Number 40 0 Cubic Feet 33 2 Cubic Feet DIAMONDS KEEP 1588 acres 1588 acres 468 acres 294/ 090 in /acre C 81 739 601 73300 660 ft 49SF 32 4 Cubic Feet 3 1 SF 1000ft 314 Cubic Feet 398197 Ib 4977 46 Ib Temp Sediment Storage Volume 1/2 ac in /ac ss -(area 0 5 43560)/12- 28 822 20 cf Perm Sediment Storage Volume 1/8 ac in /ac ss =(area 0 125 43560)/12- 7 206 cf Permanent Pool Volume pp -(area factor 43560)/12- 51 883 cf Total Pond Volume TPV- 87 911 cf Toe of Dam Elevation 73500 Top of Dam Elevation 74300 Dam Width 10 Riser Diameter of nser- 3000 in (In/hr) (acre) (cis) Year Pro-ft"lopment 030 579 1588 --27-3-9 ea M-Melopmem 050 Diameter of barrel= 1588 1508 TOO Year ran-Devellopmem 050 73500 1588 2617 Temp Sediment Storage Volume 1/2 ac in /ac ss -(area 0 5 43560)/12- 28 822 20 cf Perm Sediment Storage Volume 1/8 ac in /ac ss =(area 0 125 43560)/12- 7 206 cf Permanent Pool Volume pp -(area factor 43560)/12- 51 883 cf Total Pond Volume TPV- 87 911 cf Toe of Dam Elevation 73500 Top of Dam Elevation 74300 Dam Width 10 Riser Diameter of nser- 3000 in Elev of riser top= 73960 ft Cw at nser- 300 Cd at nser- 060 Trash Rack= 4800 in Barrel Diameter of barrel= 2400 in Inv in= 735 10 ft Inv Out= 73500 Length of barrel= 5200 ft Cdb= 060 Slope= 0 19 / Emergency Spillway Page 3 10 YEAR FLOW AFTER ROUTING 100 YEAR FLOW AFTER ROUTING Ks= 306911 a 803 b= 141 Wet Pond BASIN 1 REV 11 02 11 is Cw= 300 Ecr- 74100 ft Dam width= 1000 ft Side Slope (Hor to Vert) 3 1 Bottom Width in Feet (Lw) 10 Slope in / 001 - 00001 Manning n 0 062 Depth (ft) 017 Flow (cfs) 000 Velocity (ft/sec) 000 Tractive Force (lb /ft 0 00 Anti flotation Device Riser Height (ft) 45 Barrel Length to Dam (ft) 10 Weight of Water Displaced by Riser (lb) 1378 Weight of Water Displaced by Barrel (lb) 1959 Weight of Water Displaced by Concrete (lb) 0 TOTAL 3337 Weight of Concrete Block (lb ) 6000 Factor of Safety 1 80 Size of Anti -seep Collars (in ) 60 Stage Storage Function contour Contour Area (s4 ft) Incr Vol (cu ft) Accum Vol (Cu ft) Ins Inz ge Z es 73200 323300 733 00 395500 35940 35940 819 000 1 0 1 73400 474000 43475 79415 898 —T6-9 20 20 73500 558700 51635 13105 0 948 1 10 30 28 73600 649100 60390 191440 986 1 39 4 0 37 73700 7452 00 6971 5 261155 1017 —T-6 5 0 46 73800 -T3-900 11067 00 9259 5 353750 10 _777-9 6 0 57 1227400 116705 470455— 1076 1 95 0 7 0 740-0 0 13539 00 12906 5 599520 11 00 208 80 83 741 00 1486000 141995 74151 5 11 21 220 90 9 6 742 00 1623800 155490 89700 5 1140 2 30 100 110 Page 4 W t Po d BASIN 1 REV 11 02 11 is Routing 10 Year Storm MAX STAGE ELEV 740 34 MAX FLOW CFS 15 08 2759 P= 2 32 i= 2 32 Tp= 30 63 First Time Step= s= 2 35 Time Step 306 Q =082 Time (min) Inflow (diii) Storage (cu ft) Stage (ft) Outflow (ds) ser Weir (�) Riser Onface (�) Barrel Onface (S) Hydraulic Grade Line (�) Emergency Spillway (�) 000 000 29500 64 738 00 000 000 -(TO-0 0 00 22 33 000 1 00 0 0 29500 64 73800 000 --CFO-0 0 00 --TO-0 22 33 0 00 06 0 79 29509 54 73800 000 -U-00- —000 000 2234 000 713 235 29654 41 73802 000 000 000 000 2240 000 1019 4 59 30086 77 73807 000 000 —000 000 2260 0 00 1325 7 28 30930 00 73817 000 000 000 —000 2296 000 1631 10 15 32267 26 73833 000 --6-00- 0 00 0 00 23 53 000 1938 12 94 34133 3-,r- 73855 000 -U-00 —000 000 2428 000 2244 1536 36511 29 73882 000 0 00 —000 000 2520 060 2550 1718 3933403 73914 000 000 000 000 2622 000 2857 1822 42490 95 ---45-83-8-13-- 739 48 0 00 000 0 00 000 2730 000 3163 1837 73984 278 278 11 59 2926 2837 0 00 3469 1763 48 0 43 74014 940 940 1740 3041 2924 000 3776 1607 50217 09 740 30i 1377 1377 19 76 31 00 2968 000 4082 1414 50639 19 74034 1508 1508 20 37 3 16 29 81 000 43 88 1242 -6046631 740 32 1454 1454 2012 3109 29 76 6615 4694 90 5007 90 74026 1334 1334 19 55 30 94 2964 0 00 50 01 9 7 49627 30 74024 1201 1201 18 88 30 77 29 51 0 00 5307 8 41 49179 89 74019 1072 1072 18 18 3060 2938 000 5613 7 38 48754 65 74015 9 54 --9-94-- 17 49 3043 2926 0 00 5920 648 4835809 74011 848 848 16 81 3028 2914 000 6226 5 69 47991 2 74007 753 753 1616 3013 2903 000 6532 500 476 3 08 74003 669 669 1554 3000 2893 0 00 6838 4 39 47341 84 74000 595 5-9F-- 14 94 29 8 28 83 —000 7145 385 47055 54 73997 529 529 1436 29 75 28 75 0 00 7451 338 46792 24 73994 470 470 13 81 --29-6-9- 28 66 0 00 7757 297 46 50 07 73992 418 418 13 28 -29-5T- 2859 000 8064 261 -4632730 739 89 372 372 1278 2946- 2852 000 8370 229 46122 32 73987 --332 332 1230 29 37 28 46 0 00 8676 2 01 45933 68 73985 296 296 11 83 29 30 28 40 000 8983 1 77 4 60 02 73983 264 264 11 39 2922 2835 000 9289 1 5 45600 11 73982 2 35 2 35 10 97 29 16 2830 000 9595 1 36 4545281 73980 210 2 10 10 6 2910 2825 000 9901 1 20 4531709 73979 1 88 1 88 1017- 2904 2821 000 10208 109-- 45192 00 --4-50-T6 73977 1 68 1 68 —986 28 99 28 17 6 00 10514 0 92 68 73976 1 50 1 50 9 4 28 94 28 13 000 10820 0 81 44970 33 73975 1 34 1 34 9 10 28 89 28 10 0 00 11127 0 71 4872 22 73974 120 1 20 8 77 28 85 28 07 0 00 11433 062 78169 739 73 108 1 08 846 28 81 28 04 000 117 39 0 55 44698 12 73972 097 097 -816 2878 2801 000 12046 048 4 620 95 73971 0 87 087 7 87 28 74 27 99 0 00 12352 0 42 44 9 67 73970 078 078 7 59 28 71 27 97 0 00 12658 037 4 83 80 73970 070 070 33 28 69 27 94 0 00 - 12964 033 4442 92 73969 063 063 7 08 28 66 2 92 000 13271 0 29 422-66 63 73968 057 057 683 2864 2791 000 13577 0 2Y- 4431 57 73968 ----0-5T 0 51 6 60 2861 2789 000 13883 0 22 44266 39 73967 046 0 46 638 28 59 2181 0 00 141 90 019 44221 79 73967 042 042 617 28 57 2786 000 44 96 0 1 4418 49 73966 038 --r3-8 5 96 28 56 2785 000 14802 015 441T2 24 73966 0 34 0 34 5 77 28 54 2783 000 151 08 013 4410679 73966 031 031 558 2852 2782 000 15415 012 44 3 92 73965 028 0 28 —540 28 27 81 000 15721 010 44043 44 73965 026 0 26 523 28 50 2780 000 16027 569 440 M 5 73965 023 -F2-37- 5 06 28 48 27 79 0 00 16334 008 43988 89 73964 021 --0-2f- 4 91 --2-84-T- 27 79 000 16640 007 43964 51 73964 019 0 19 4 75 28 46 27 78 000 169 46 006 43941 86 73964 017 --T1 61 —28T5- 27 77 0 00 17253 0 0 --0-0-6- 43920 80 73964 016 0 16 447 2844 2776- 000 175 59 43901 22 73963 0 --T1 4 34 -Y874-4 -2T76- 0 00 17865 0 04 43883 00 73963 013 -3713- 4 21 28 43 27 75 000 18171 0 0 3866 04 73963 012 0 12 4 09 --2-8-T2- 27 75 0 00 18478 0 03 3850 25 73963 0 11 0 11 3 97 28 41 2 74 6 00 18784 003 4383553 ---82-18-f-- 73963 010 0 10 3 -SC- 28 41 27 74 000 19090 002 T3 739 63 0 09 009 375 2840 2773 000 19397 0 02 43809 01 73962 009 009 3 64 --28-TO- 27 73 0 00 19703 002 379 07 73962 0 08 -r O-8 3 54 28 39 27 72 000 20009 002 3785 92 73962 007 --C O-7 ---3-4-6-- 28 39 2772 000 20315 0 0 43775 51 73962 0 07 --.0-07- ---3-3-T-- 28 38 27 72 0 00 20622 001 4376577 1 73962 006 006 327 28 38 27 0 00 209 28 I U01 1 4375666 1 739 62 006 006 3 18 28 37 27 71 000 212 34 001 1 4374814 1 73962 Rage 5 0 U0 1 005 1 Wet 3 d BA ::2:& 71 EV24Y402 1 x490 21541 0 01 4374016 73962 005 005 302 2837 2771 000 21947 001 43732 69 73962 005 --r O-5 2 95 2836 2770 000 221 0 01 -43T2-5 68 73961 004 '--T O-4 287 2836 2770 -T-o0 22460 001 4371911 73961 004 0 04 280 28 36 27 70 0 00 22766 001 4371294 73961 004 0 04 274 28 35 27 70 0 00 23072 000 4370715 739 61 003 0 03 2 67 28 35 27 69 0 00 23378 000 4370170 73961 003 003 261 28 35 2 69 0 00 23685 0 00 43696 58 73961 003 003 2 55 28 35 2769 000 23991 000 4369177 73961 003 0 03 249 28 34 27 69 0 00 24297 000 4368724 73961 003 003 244 2834 2 69 0 00 24604 000 4368297 73961 002 0 02 2 39 ---28-3-r- 27 69 0 00 24910 000 4367894 73961 002 0 02 233 2834 2769 —000 25216 000 4367514 73961 002 002 229 2834 2768 000 25522 000 43671 56 73961 002 --T O-2 224 2834 2768 coo 258 29 000 4366818 73961 002 -7-02 219 2833 2768 0 00 261 35 000 4366498 73961 002 002 215 2833 2 68 0 00 26441 000 4366196 —73961 002 --T O-2 210 2833 2768 0 00 26748 000 43659 10 73961 002 002 206 28 33 2 68 0 00 27054 0 00 4365639 73961 001 001 202 2833 2768 0 00 273 60 000 436 3 82 73951 001 UU1 U01 1 98 2833 27 68 0 00 27667 000 43651 39 73961 001 001 1 95 2833 27 68 0 00 27973 000 4364908 73961 001 --To-1 1 91 28 33 2768 0 00 282 79 00 43645 89 73961 001 001 1 88 2832 2768 000 28585 000 4364482 73961 0 01 0 01 1 84 2832 27 67 0 00 28892 000 4364284 73961 001 001 1 81 2832 2767 000 29198 000 4364096 —4363917 73961 001 001 1 78 2832 27 67 000 29504 0 00 73961 001 001 1 75 2832 2767 000 29811 000 73637 47 739 61 0 01 001 1 72 2832 2767 000 301 17 000 4-3-6-3-5-8T 73961 001 001 169 2832 2767 0 00 30423 0 00 4363431 -T3-960 0 01 0 01 1 66 2832 27 67 0 00 30730 000 4363284 73960 001 001 164 2832 27 67 000 31036 000 4363143 739 60 001 001 161 2832 2767 000 31342 0 00 —4363009 73960 001 001 1 59 2832 2767 000 31648 000 4362881 -7-3-9 0 001 001 1 56 2832 2767 0 00 31955 0 00 4362 58 73960 001 001 1 54 2832 2767 0 00 32261 000 43626 41 73960 001 001 T5 2832 2767 0 00 32567 000 4362529 73960 001 -7-01 —149 2832 2767 000 328 74 0 00 4362422 73960 001 001 147 2832 2767 000 33180 000 4362319 —4362220 73960 001 001 145 78-31 2767 -To-0 33486 000 73960 001 001 143 2831 2767 -To-0 33792 000 4362126 739 60 000 000 7-41 2831 2767 000 34099 000 4362035 73960 000 000 1 39 2831 -27-6T- 0 00 34405 000 4361948 73960 000 000 1 37 2831 2767 000 34711 000 4361865 73960 000 000 1 35 2831 2767 —000 35018 000 4361784 73960 000 000 1 33 2831 2767 000 35324 000 4361707 ----T3-960 000 000 1 32 2831 2767 0 00 356 30 000 4361633 73960 000 000 1 30 2831 2 67 00 35937 0 00 3615 62 73960 000 000 128 2831 2767 000 36243 000 4361493 73960 0 00 000 127 2831 27 67 0 00 3 5 9 0 00 4361427 73960 000 000 125 2831 2766 000 36855 000 4361363 73960 000 000 123 2831 2766 000 37162 000 4361302 73960 000 --To 22 28 31 2766 000 37468 000 4361243 --7361186 73960 000 0 00 1 20 2831 2766 000 37774 0 00 739 60 000 000 1 19 2831 27 66 0 00 38081 000 4361130 73960 0 00 000 1 18 2831 2766 0 00 383 8 0 00 4361077 73960 000 000 1 16 2831 2766 000 38693 000 4361026 73960 000 000 1 15 2831 2766 000 38999 0 00 3609 76 73960 000 000 1 14 2831 2766 000 39306 000 4360928 73960 000 000 1 12 2831 2766 000 39612 0 00 43608 82 73950 000 000 1 11 28 37- 27 66 0 00 39918 000 4360837 73960 000 000 1 10 2831 2766 000 40225 000 43-66-719T 73960 0 00 000 1 09 2831 2766 000 40531 000 43607 52 73960 000 ----6-00— 1 07 2831 2766 000 40837 00 43607 11 73960 000 --T-o0 1 06 2831 2766 0 00 41144 0 00 43606 72 73960 000 --T—DO— 1 05 28 31 2766 000 41450 000 43606 33 73960 000 000 —104 2831 2766 000 41756 000 43605 96 73960 000 ---d-00 1 03 28 31 2766 —000 4206-2 000 —000 4360561 73960 000 000 1 02 2831 2766 000 42369 4360526 73960 000 000 101 2831 2766 000 42675 0 00 —000 3604 92 73960 000 000 100 2831 2766 000 42981 4360459 73960 000 000 0 99 28 31 2766 000 43288 000 43604 28 73960 000 0 00 098 2831 27 66 0 00 T3-5-9 4 000 4360397 73960 000 000 097 28 31 2766 000 39 00 0 00 43603 67 73960 000 000 096 28 31 27 66 000 44206 0 00 4360338 73960 000 --To-0 695 2831 2766 000 44513 0 00 43603 09 73960 000 000 0 4 2831 2766 000 44819 0 00 43602 82 73960 000 D DO 093 2831 2766 000 51 25 000 4360255 73960 000 000 093 2831 2766 000 45432 000 4360229 73960 000 --T—O0— 092 26 31 2166 000 457 38 000 4360204 73960 000 0 00 091 2831 2 66 000 46044 000 4360179 73960 000 000 1 090 2831 27 66 000 46351 000 43601 55 73960 000 000 089 28 31 27 66 000 46657 000 43601 32 73960 000 0 DO 0 86 28 31 27 66 0 00 469 63 0 00 3601 09 739 60 0 00 0 00 0 1 2 6 0 47269 000 4360087 7396-0 000 0 00 ---o--87-- 2830 2766 000 47576 000 4360066 73960-- 000 0 00 086 2830 2766 000 47882 0 00 4360045 73960- 000 0 00 085 2830 2766 0 00 481 88 0 00 43600 24 73960 000 000 085 2830 2766 000 48495 0 00 43600 04 739 0 000 0 00 084 2830 2766 000 48801 -791-0-7 000 4359985 73990 000 --(j-0-0— 0 83 2830 2766 0 00 000 4359966 73960 000 000 083 2830 2766 000 49414 000 4359947 73960 000 0 00 0 82 28 30 2766 0 00 49720 000 4359929 --T3 73960 000 000 081 28 30 27 66 0 00 00 26 0 00 T99 12 739 60 000 0 00 081 2830 2766 T 00 03 32 000 43-r98 95 ---4-3-C98 73960 0 00 -TO-0 0 80 28 30 2766 0 00 50639 0 00 78 739 60 000 0 00 079 2830 2766 0 off- 50945 000 4359861 ---4-3-r98 73960 000 000 079 2830 2766 000 51251 0 00-- 45 739 60 000 000 078 2830 2 66 000 51558 0 00 4.3 98 30 73960 000 000 0 78 2830 2 66 0 00 518 64 00 43598 15 73960 000 0 00 0 77 28 30 27 66 0 00 521 70 00 43598 0 73960 000 0 00 0 76 28 30 2766 000 52476 000 43597 85 73960 000 -7-00 076 2830 2766 0 00 52783 000 4359771 73960 000 0 00 075 2830 2766 000 53089 000 4359757 73960 000 000 0 75 28 30 2766 000 53395 0 00 4.3 97 43 73960 000 000 074 2830 2766 000 53702 -Y4709 0 00 4359 30 39 60 000 000 0 74 28 30 2766 000 0 00 4-3T97 17 73960 000 0 00 073 28 30 27 66 0 00 54314 000 3 97 04 73960 000 000 0 2 28 30 2766 000 54621 0 00 4359692 73960 000 0 00 072 2830 2766 0 00 54927 000 43 96 79 73960 000 000 071 2830 2766 0 00 55233 0 00 4359668 73960 000 000 071 2830 2766 000 555 39 000 4359656 73960 000 000 0 70 28 30 27 66 0 00 55846 000 43 96 44 73960 000 000 0 70 28 30 2766 0 00 561 52 0 00 43596 33 73960 000 -7-0-0 069 28 30 2766 000 56458 000 4359622 73960 000 0 00 069 2830 2766 000 56765 000 4359611 73960 000 000 069 28 30 2766 0 00 57071 0 00 3596 01 73960 000 000 668 28 36 27 66 000 57377 000 4359591 73960 000 000 0 68 28 30 2766 0 00 76 83 0 00 43595 80 73960 000 000 067 2830 2766 000 57990 000 —000 43595 70 73960 000 -7-00 0 67 28 30 2766 0 00 58296 4359561 739 60 000 --CO-0 066 2830 2766 000 58602 000 4359551 73960 000 --To-0 066 28 30 2766 000 589 09 0 00 3595 42 73960 000 000 065 2830 27 66 0 00 59215 0 00 43595 33 73960 000 000 065 28 30 2766 0-6-0— 59521 000 4359524 73960 0 00 0 00 0 65 2830 2766 0 00 59828 0 00 43595 15 73960 000 0 00 0 64 28 30 2766 0 00 TOT 34 0 00 4359506 73960 000 0 00 064 2830 2766 000 60440 000 4359498 739 60 TO-0 --0 0—O 0 63 2830 2769-- 000 607 46 0 00 43594 89 73960 000 --TO-0 0 63 —F8--30 27 66 0 00 61053 000 43594 81 73960 000 000 053 28 30 27 66 0 00 613 59 0 00 43594 73 ---4-3694 73960 000 000 062 28 30 27 66 0 00 61665 0 00 65 73960 000 000 062 28 30 27 66 0 00 61972 000 4359458 73960 000 --T-o0 0 61 28 30 2766 000 62278 000 43594 50 739 60 000 000 0 61 28 30 27 66 0 00 62684 0 00 3594 43 73960 000 ---C 00 061 28 30 27 66 0 00 62890 0 00 4359435 739-90 Goo 000 060 28 30 2766 0 00 631 9 000 4359428 ---- 739 60 0 00 000 0 60 28 30 2 66 0 00 63503 0 00 —000 4T50-94 21 73960 000 --d-o0 060 2830 2766 000 63809 4359414 73960 0 0 000 0 59 28 30 27 66 0 00 641 16 000 4359407 —73960 000 --0 0—o 059 28 30 27 66 000 644 22 0 00 4359 01 ---4-S593 73960 000 0 00 059 28 30 2 66 0 00 64728 0 00 94 73960 000 000 058 28 30 27 66 0 00 65035 --TO-0 4 593 88 73960 000 000 058 2830 2766 000 65341 000 — 4F593 81 73960 000 0 00 0 58 28 30 27 -6T— 0 00 65647 000 43593 75 —73960 0 00 0 00 057 2830 --27-6T— 000 65953 0 00 4359369 73 60 000 000 0 57 28 30 27 66 0 00 662 60 0 00 3593 63 ---43-5-93-57— 73960 000 --C F-00— 057 28 30 2 66 0 00 66566 0 00 ---4-35-93-5T— 739 60 000 0 00 0 6 28 30 27 66 0 00 66872 0 00 ---4T69-3 73960 0 00 000 056 2830 2766 000 671 79 0 00 4 73960 ---O00 000 056 28 30 27 66 0 00 674 85 0 00 4359340 73§ 60 000 000 055 28 30 27 66 000 67791 000 4359334 —73960 FO-0 --U-00— 0 55 28 30 _77-6-6 0 00 68098 0 00 ---4Y593 29 73960 000 --FO-0 055 28 30 27 66 0 00 68404 0 00 3593 23 73960 000 --T-o0 054 28 30 27 66 0 00 68710 0 00 ---43T93 18 73960 000 0 00 054 2830 2766 000 69016 0 00 43593 13 739 60 0 00 0 00 0 54 28 30 27 66 0 00 69323 000 4359308 73 60 000 000 --o-5T— 28 30 27 66 0 00 59629 000 9303 73960 000 0 00 053 28 30 27 66 0 00 699 35 000 43592 98 739 60 000 C 00 053 28 30 27 0 00 70242 0 00 ---43-692 93 73960 000 000 0 53 28 30 27 66 0 00 705 48 0 00 -43-59-2-8-T-- 73960 000 --0-0-0-- 0 52 2830 2766 000 70854 0 00 —000 43592 83 73960 000 0 00 052 D8 30 27 66 0 00 71160 4359279 73960 000 000 0 52 28 30 27 66 000 714 67 000 43592 74 73960 000 TOO 052 28 30 27 66 00 71773 0 00 43592 70 73960 000 000 0 51 28 30 27 66 0 00 72079 0 00 43592 65 73960 000 0 00 051 2830 27 66 0 00 72386 0 00 43592 61 —73960 1 0 00 000 0 51 2830 27 66 1 000 72692 0 00 43592 56 73960 00 0 00 wpt- 0 P%nrl 2 6 0 72998 000 4359252 73960 000 000 050 2830 2766 000 73305 0 00 —4359248 73960 000 0 00 050 2830 2766 000 73611 000 4359244 73960 000 0 00 050 2830 27 66 000 73917 000 4359240 73960 000 --U-O0 0 50 28 30 2 66 0 00 74223 000 4359236 73960 000 (70-0— 0 49 28 30 27 66 0 00 74530 000 4359232 73960 000 --To-0 049 28 30 27 66 000 74836 000 4359228 --7359224 73960 000 000 049 2830 2766 000 75142 000 73960 000 000 049 2830 27 66 0 00 75449 000 4359220 73960 000 000 048 2830 27 66 000 75755 000 4359217 —73-95-0 000 000 048 28 30 27 66 0 00 76061 000 3592 13 73960 000 000 048 28 30 27 66 000 76367 0 00 4359209 73960 000 000 0 48 —2830 27 66 000 76674 000 4359206 73960 000 000 047 28 30 27 66 0 00 76980 000 4359202 73960 000 0 00 047 2830 2766 000 77286 000 43591 99 73960 000 --T-O0 047 2830 2766 0 00 77593 000 43591 96 73960 000 000 047 2830 2766 000 77899 0 00 3591 92 73960 000 —U-00— 047 28 30 27 66 0 00 78205 000 43591 89 73960 000 0 00 046 2830 27 66 000 78512 000 —000 4359186 73960 000 000 046 2830 2766 000 78818 4359182 739 60 000 000 046 2830 2766 000 791 24 000 43591 9 73960 000 000 046 2830 2766 000 79430 —000 43591 76 73960 000 000 046 2830 27 66 0 00 79737 0 00 43 91 73 73960 000 000 045 2830 27 66 0 00 80043 0 00 4359170 73960 000 000 045 2830 27 66 0 00 80349 000 4359167 73960 000 0 00 0 45 2830 27 66 —000 80656 0 00 359 64 73960 000 000 045 2830 2 66 0 00 80962 0 00 4359161 73960 000 000 045 2830 2766 000 81268 000 43591 8 73960 Goo ---0 -O0 0 4 2830 27 66 000 81574 0 00 43591 55 73960 000 000 044 2830 27 66 000 81881 0 00 43 91 52 73960 000 000 044 2830 27 66 0 00 82187 000 43591 50 73960 000 000 044 2830 27 66 0 00 82493 000 3591 47 73960 000 000 044 2830 7 66 000 82800 000 4359 44 73960 000 000 043 2830 2766 000 831 06 000 43591 41 73960 000 000 043 2830 2766 000 83412 0 00 43591 39 73960 000 --CFO 0 043 2830 2766 000 83719 000 3 91 36 73960 000 000 043 2830 2 66 —000 84025 000 43591 34 73960 000 000 043 2830 2766 000 84331 000 43591 31 73960 000 000 042 2830 2766 000 84637 000 4359129 73960 000 000 042 2830 2766 000 84944 0 00 43591 26 73960 000 000 0 42 28 30 2766 000 85250 0 00 43591 24 73960 000 000 042 2830 --2-776 0 00 85556 000 43591 21 73960 000 000 0 42 28 30 2766 000 85863 000 43591 19 73960 000 000 0 42 28 30 2766 —000 86169 000 43591 16 73960 000 000 041 2830 2 66 000 86475 000 -43591 14 73960 000 000 041 2830 2766 000 86782 000 43591 12 73960 000 000 041 2830 2766 000 87088 000 43591 10 73960 000 000 041 2830 2766 000 87394 000 43 91 07 73960 000 000 041 28 30 27 66 000 87700 000 4359105 73960 000 000 041 2830 2766 000 88007 0 00 43591 03 73960 000 —T-0-0— 0 40 2830 2766 0 00 883 13 000 43591 01 73960 000 000 040 28 30 27 6 000 88619 000 4359099 73960 000 000 040 2830 2766 000 88926 000 4359096 73960 000 000 040 2830 ----27-66 000 89232 000 4359094 73960 000 000 040 2830 2766 000 89538 0 00 4359092 73960 000 000 0 40 2830 2766 000 89844 000 4359090 73960 000 0 00 039 28 30 27 66 000 901 51 000 4359088 73960 000 000 039 2830 2766 000 90457 000 -4359086 73960 goo 000 039 2830 2766 000 90763 0 00 43590 84 73960 000 000 039 28 30 2766 000 91070 000 43590 82 73950 000 000 0 39 2835 2766 000 91376 000 4359080 73960 000 000 0 9 28 30 27 66 0 00 91682 0 00 43590 79 73960 000 --TO-0 039 28 30 27 66 000 91989 0 00 43590 77 --TS-6-96 73960 000 000 038 2830 2766 000 92295 ON 775 73960 000 000 038 2830 27 66 000 92601 000 43590 73 73960 000 000 038 2830 2766 000 92907 000 43590 1 73960 000 000 038 2830 2766 000 93214 000 4359069 7396 000 —(TO —0 0 38 28 30 2766 000 93520 0 00 43590 68 73960 u 00 0 00 038 2830 2766 000 93826 0 00 43 90 66 73960 000 000 038 28 30 2766 000 941 33 0 00 43590 64 73960 000 000 037 28 30 2766 000 94439 000 43590 62 73960 000 000 037 2830 2766 000 94745 0 00 43590 61 73960 000 000 0 37 28 30 2766 000 95051 000 4359059 73960 000 000 037 —T8--30 27 66 000 95358 0 00 43590 5 73960 000 000 037 28 30 —F7-6-6— 0-00 95664 0 00 43590 56 73960 000 000 0 37 28 30 2766 000 95970 0 00 43590 54 73960 000 000 0 37 2830 27 66 000 96277 0 00 43590 52 73960 000 000 036 28 30 2766 000 96583 0 00 43590 1 73950 000 000 0 36 1 2830 2766 000 Paqe 8 W t Po d BASIN 1 REV 11 02 11 is Routing 100 Year Storm P- 253 MAX STAGE 74083 1 507 MAX FLOW 2617 Tp- 16 55 First Time Step 1 s= 2 35 Time Step 165 Q =096 Time (min) Inflow ON Storage (cu ft) Stage (ft) Outflow (Crs) Riser Weir (Crs) Riser Orifaee (Crs) Barrel Onface ON Hydmlfc Grade Line (Crs) Emergency Spillway (cft) 000 000 29-TOO 64 73800 000 -U-O0 0 0 0 00 2233 000 1 00 0 36 29500 6 73800 000 -CO 0 00 0 00 22 33 000 265 2 0 29536 55 73800 000 000 000 TO 2235 000 431 637 2978507 73803 000 -000 000 000 2246 000 96 11 58 30417 51 73811 000 000 000 000 2274 000 762 17 63 31567 62 73825 000 --FO-0 0 00 0 00 23 23 000 927 23 93 33318 45 73845 0 00 --To-0 -000 000 2396 000 1093 -T2-5 -8 29 85 35694 27 73873 000 000 0 00 --F0-0 --2T89 000 34 82 386 B 1 73906 000 000 FO-0 000 2598 0 00 1424 3835 4211562 739 44 000 000 000 0 00 2 17 665 1589 4010 4592388 73985 294 --f9-4 -1181 2929 2840 000 1755 3990 49614 04 74024 1197 11 97 18 86 -3077 2951 000 1920 3776 52387 04 74052 2086 20 86 22 0 31 81 3030 000 2086 3394 5406 6 74069---- 2471 26 91 24 71 3242 3077 0 00 2251 2980 54981 66 74079 2573 3040 25 73 3274 31 02 000 2417 2617 5538611 740 83 2617 31 98 26 17 32 88 31 12 000 2582 2298 5538633 74083 2617 31 98 2617 32 88 31 12 000 2748 2018 55069 76 74079 25 83 30 74 2 83 32 77 31 04 000 2913 1172 54508 99 74074 2621 28 58 25 21 -T2-5-8 3089 000 3079 1556 53765 41 74066--- 2436 2580 24 36 -3231 3068 0 00 3244 1366 5289153 74057 22 63 2263 23 32 31 99 3044 0 00 3410 1200 5-200103 74048 1954 1954 2220 3167 3019 0 00 3575 105 5T2-5-244 740 4 1704 ---17-OT- 21 22 31 39 29 98 000 3741 925 0606 15 74034 14 98 14 98 -2632 3 1 2980 000 3906 8 12 50037 56 ---49-630 74028 1323 13 23 19 50 3093 2963 000 4072 7 13 67 74023 11 73 11 73 1873 3073 2948 000 4237 626 -53-0 49074 57 74018 1042 10 42 -1801 30 56 --29-33-- 0 00 4403 4866143 74014 929 929 1733 3040 2923 000 4568 '---4-2-,C- 4 83 8285 42 74010 829 ---6-29- 16 68 30 -23- 29 12 0 00 4734 942 01 74006 741 7 41 16 07 30 11 2901 000 4899 3 72 47627 55 74003- 6 63 6 63 15 49 2999 2892 000 5065 -9276 3 27 47339 04 74000 594 --r9-4 1493 29 87 2883 000 2 87-- 4 073 90 73997 533 533 14 40 29 76 28 75 000 5396 252 46829 96 73995 478 478 1389 2966 2868 ---000 556-1- 221 4660 27 73992 430 430 13 41 29 57 2861 000 5727 94 46398 13 73990 387 387 12 94 2949 2854 000 5892 1 71 -770- 46207 02 73988 348 348 12 50 2941 28 48 000 6058 46030 59 39 86 314 3 14 ---1-207- 29 34 28 43 710 6223 1 32 4586 60 739 84 283 2 83 1 T 67 29 27 28 38 0 00 6388 1 16 4571693 739 83 256 256 11 28 2921- 2833 0 00 65 54 1 01 4557 58 739 81 231 231 1 U 90 29 15 28 29 0 00 6719 0 89 45448 63 73980 209 --Y O-9 10 55 29 09 28 25 000 6885 0 78 45329 23 73979 1 90 1 90 10 20 29 04 2821 --000 7050 0 69 218 63 73977 172 1 72 9 88 _T9_00-78-1-8-000 7216 0 60 116 12 73970 156 1 56 9 6 28 95 28 14 000 7381 053 -4502107 39 5 142 1 42 926 26-91 28 11 0 00 7547 047 44932 88 73974 129 1 29 8 97 28 88 28 09 0 00 7712 0 41 44851 02 73974 1 17 -177-- 8 70 2884 -T8-0-6- 0 00 7878 0 36 44775 00 739 73 107 1 07 843 28 81 2804 000 8043 0 31 44704 36 73972 098 --6-98- 8 18 T8-7 -8 2801 000 8209 0 28 44638 69 73971 089 089 7 94 2875 2799 000 8374 024 4457761 739 71 082 082 770- 2873 M-7 0 00 8540 021 44520 77 73970 075 0 75 7 48 28 70 27 96 0 00 8706 0 9 44467 84 73969 068 0 68 7 26 28 68 2794 000 8871 0 16 44418 -54- 73999 063 0 63 -706 28 66 27 92 0 00 9036 14 4437258 73968 058 0 8 6 86 2864 2791 000 9202 013 44329 72 73968 053 -7-5-3 --667 2062 2789 000 9367 Oil 4428972 739 68 049 049 649 -28-60 2788 000 9533 0 10 44252 38 73967 045 045 631 -28T9--- 2787 0 00 9698 0 09 44217 49 73967 041 041 6 15 2857 27 86 000 9864 0 08 44184 88 73966 038 --F3-8 5 9 -T8-5-6 27 85 0 00 10029 007 44154 38 73966 0 35 0 35 5 83 2854 27 84 000 10195 0 O6 44125 84 73966 033 0 33 68 2853 27 83 000 10360 005 4409912 73965 030 030 554 2852- 27 82 000 0626 004 44074 08 73965 028 028 540 28 51 27 81 D 00 10691 004 -003 4 050 60 73965 026 026 5 2 -7-f8-5 0 27811 0 00 10857 44028 58 739 65 0 24 0 24 28 49 2 80 0 00 11022 0 03 44007 92 73965 023 023 5 02 -2848 277779 000 111 88 003 43988 50 73964 0 21 0 21 4 90 --28-C7- 27 79 0 00 11353 002 43970 26-1 73964 020 0 20 4 79 28 47 27 78 0 00 115 19 1 002 1 953 11 39 6 a e 9 018 0 18 wet 41Wd BA9451461 ZEv21Y702 Ill 000 11684 002 4393696 73964 017 017 458 2845 2777 000 11850 002 4392176 73964 016 --T16 48 28 44 27 76 000 12015 001 4390744 73963 01 0 15 4 38 2844 2776 000 12181 001 4389394 73963 014 014 429 28 T37 2776 000 123 46 001 4388121 73963 013 --T13 4 20 8 43 2775 000 12512 0 01 43869 19 73963 0 12 --Ti 411 28 42 2775 0 To- 12677 001 4385783 73963 012 012 402 2842 2774 000 12842 007- 4384710 73963 011 011 394 28 41 2774 0 00 13008 001 4383695 73963 010 010 387 2841 2774 000 13 73 001 —000 4382735 73963 010 -010 3 79 28 40 27 73 0 00 133 39 3818 25 -O9-6T 73962 009 0 09 3 2 28 0 2773 000 13504 000 3-8 73962 009 --r 09 365 28 40 2773 000 13670 0 00 43801 4 73962 008 008 358 2839 2773 000 13835 000 43793 72 73962 008 —008 351 28 39 2772 000 14001 000 4378636 73962 007 --C 07 345 28 39 27 2 000 141 66 0 00 43779 37 73962 007 ---6-07 3 39 28 38 2772 000 14332 -TT4 000 43772 73 —4376641 73962 0 0 -U-67- 333 2838 27 72 000 97 0 00 73962 006 006 327 28 38 27 71 0 00 14663 000 4376040 73962 006 006 322 2837 2771 000 14828 000 4375467 73962 006 --T O-6 316 2837 2771 000 14994 000 4374922 ---4-3744 73962 005 0 05 311 2837 2771 000 16TT9 0 00 02 73962 0 05 --0-0-3-- 306 28 37 27 1 0 00 16325 0 00 43739 06 73962 005 005 3 01 28 36 2771 000 15490 0 00 4373433 73962 005 005 296 2836 2770 000 15656 000 4372981 73962 004 004 292 2836 2770 000 15821 000 43725 49 73961 004 004 287 28 36 27 70 000 15987 0 00 43721 36 73961 0 04 0 04 283 2836 2770 000 161 52 0 00 4371 41 73961 004 0 0 2 79 28 36 27 70 000 16318 0 00 43713 64 73961 004 004 2 75 2835 2770 000 16483 000 4371002 73961 004 004 271 28 35 27 70 0 00 16649 0 00 43 06 55 ----4-37o3 739 61 003 003 267 2835 2769 000 16814 0 00 23 73961 003 003 263 ---28-3T- 2769 000 16980 000 4370004 73961 003 003 2 59 2 35 2769 000 777-45 0 00 43696 98 —73961 003 003 2 56 2835 2769 000 173 1 0 00 43694 0 73961 003 003 2 52 2835 2769 000 1 4 76 0 00 4369123 73961 003 003 249 2834 2769 000 17642 000 43688 52 73961 003 003 245 2934 27 69 0 00 178 07 0 00 43685 91 73961 003 003 2 42 --f8-3-4 27 69 000 17973 0 00 3683 41 739 61 0 02 002 239 2834 2769 000 18138 000 1 4368100 73961 002 002 2 36 28 34 2769 000 18304 000 -4367868 73961 002 002 2 33 28 34 27 69 0 00 18469 0 00 43676 44 73961 002 002 T3- 0 28 34 27 69 0 00 18635 0 00 43674 29 73961 002 002 227 2834 2768 000 18800 0 00 43672 21 73961 002 002 225 2834 2768 000 18965 0 00 43670 21 739 61 002 002 2 22 28 34 2768 000 191 31 0 00 3668 28 73961 002 -T O-2 2 19 28 33 2768 000 19296 000 4366642 73961 002 0 02 217 28 33 2768 000 19462 000 4366462 73961 002 --T —O2 2 14 2833 2768 000 19627 000 4366288-- 73961 002 002 212 2833 2768 000 19793 000 43661 20 739 61 002 002 2 09 2833 2768 000 19958 000 43659 58 73961 002 0 02 2 07 2833 2768 000 201 24 000 43658 01 739 6'F-- 002 002 205 -T8-3-3 2768 000 20289 000 4365649 ---4-3-635 73961 001 001 2 02 28 33 27 68 000 20455 000 02 73961 001 -To -2o0 28 33 2768 0 00 20920 0 00 ---43-6T3 60 739 61 001 001 198 2833 2768 000 20786 0 00 43652 22 73961 001 071- 1 96 2833 2768 000 20951 0 00 43650 89 73961 001 --FO--1 1 94 28 33 27 68 000 211 17 0 00 43649 60 73961 001 0 01 1 92 2833 2768 000 21282 000 364834 73961 001 0 01 1 90 28 33 2768 000 214 48 0 00 43647 13 73961 001 -FO-1 1 88 28 33 2 68 0 00 21613 0 00 43645 95 73961 001 001 1 86 28 32 2 68 0 00 217 79 0 00 43644 81 —73961 001 0 01 1 84 28 32 2767 000 21944 0 00 43643 70 73961 001 --T O-1 1 83 -T8-3-2 2767 000 221 10 0 00 43642 62 73961 0 01 --TO 1 81 28 32 --2-7-6T- 000 2 2 75 000 4364158 73961 —001 --TO-I- 1 79 2832 2767 000 22441 0 00 436 0 56 73961 001 001 1 77 28 32 2767 000 22606 0 0 3639 57 73961 001 001 176 28 32 2767 000 22772 000 43638 61 73961 001 --C 01 1 4 2832 2767 000 22937 0 00 4363 68 73961 001 C 01 1 2 28 32 2767 0 00 231 03 0 00 43636 8 73961 001 001 1 71 2832 2767 000 23268 000 4363589 73961 001 001 169 28 32 2767 000 234 3 0 00 43635 04 73961 001 001 1 68 2832 2767 000 23599 0 00 3634 20 73960 001 0 01 1 66 28 32 2767 000 23765 0 00 43633 39 73960 0 01 0 01 165 28 32 2 67 boo 23930 0 00 3632 60 73960 001 0 01 —163 28 32 27 67 0 00 240 96 000 43631 83 73960 001 0 01 1 52 2832 27-67-- 000 24261 000 43631 08 73960 001 0 01 160 2832 2767 000 24427 000 43630 35 73960 001 0 01 1 59 28 32 2767 000 24592 0 00 3629 64 73960 0 01 FO 1 8 28 32 2767 000 24758 000 43628 94 73960 001 --T —01 1 56 28 32 27 67 0 00 24923 000 43628 26 73960 0 01 001 1 55 28 32 27 67 0 00 25089 0 00 43627 60 73960 001 0 01 1 54 2832 2767 000 25254 000 4362696 73960 001 0 01 1 52 2832 2767 r0 00 25419 0 00 43625 33 73960 001 001 lad, JgA4YO21 k 2jp7n2lu 0 25585 0 00 -4-3 625 2 73960 001 001 1 50 2832 2767 000 25750 000 4362512 73960 001 0 01 149 2857 2767-- 000 25916 0 00 3624 54 --4-3-6-2-397 73960 0 01 U 01 1 48 28 32 2 67 0 00 26081 000 73960 001 --6'0 1 1 6 28 31 27 67 000 26247 0 00 43623 41 73960 001 —TO--1 1 45 -F8--31 2767 0 00 26412 000 43622 7 73960 001 --u-o1 144 28 31 27 67 000 26578 000 362234 73960 001 001 1 143 2831 2767 000 26743 000 4362182 73960 001 001 142 28 31 27 67 000 26909 000 43-6-21-31 73960 000 --0 0—o —141 28 31 --27-6-T- 0 00 27074 0 00 43620 82 73960 0 00 --d—o0— —14o 28 31 27 67 0 00 272 40 000 43-6-2-0M 73960 0 00 0 00 1 39 28 -3T- --T7-6 7 0 00 27406 000 4361986 —43619 —73960 0 00 ---0 0—o 38 2831 -7-67 000 27571 0 00 39 73960 000 000 1 37 2831 2767 000 27736 000 4361894- 73960 000 000 1 36 2831 2767 000 27902 000 W-1850 73960 000 0 00 1 35 28 31 --2-7-6T- 000 28067 0 00 43618 07 73960 000 0 0 1 34 28 31 27 67 -FO-0 28233 0 00 43617 64 73960 000 000 73-3 2831 2767 000 28398 000 4361723 73960 0 00 --d-00— 1 32 2831 2767 000 28664 0 00 43616 82 73960 0 00 0 00 1 31 2831 2767 000 28729 000 43616 42 739 60 000 000 1 30 2831 27 67 000 28895 0 00 43616 03 739 60 000 0 00 1 29 2831 2767 0 00 29060 000 4361563-- 73960 000 000 128 28 31 27 67 0 00 29226 0 00 3615 28 73960 000 000 -1-2T— 2831 2767 000 29391 00 4361491 39 60 000 000 126 -T8-3 -1 2767 0 00 295 57 000 4361455 73960 000 000 1 26 2831 2767 000 29722 000 43614 20 ---4-3673 73960 000 000 125 2831 2755 000 298 88 0 00 86 73960 000 000 1 24 2831 2766 000 30053 0 00 3613 52 73960 000 000 1 23 28 31 27 66 000 30219 000 4361319 739 60 000 000 122 2831 2766 000 303 84 0 00 43612 86 73960 000 0 00 1 22 28 31 27 66 0 00 30550 0 00 43612 55 73960 0 00 000 1 21 2831 2766 000 30715 000 43612 23 73960 000 000 120 2831 2766 000 308 81 000 43611 93 73960 000 000 1 19 28 31 2766 000 31046 0 00 43611 63 73960 000 000 1 18 2831 2766 000 31212 000 4361133 73960 000 000 1 18 2831 2766 000 313 0 00 43611 05 73960 000 000 1 17 -F8--31 27 66 000 31542 0 00 36 0 76 739 60 000 000 1 16 2831 2765 0 00 31708 0 00 4361048- 73960 000 000 1 15 2831 2766 000 31873 0 00 43610 21 73960 000 000 1 15 28 31 27 66 000 32039 0 00 43609 94 73960 000 000 1 14 28 31 27 66 0 00 3T2 04 000 4360968 73960 000 000 T 13 28 31 27 66 000 32370 000 4360942 73960 000 000 1 13 28 31 27 66 0 00 325 35 0 00 43609 17 73960 000 000 1 12 2831 27 66 000 32701 000 43608 92 73960 U-00- 000 1 11 2831 2766 000 32866 000 43608 67 73960 000 000 1 11 28 31 27 66 000 33032 000 —000 43608 43 73960 000 000 1 10 28 31 2 66 000 33197 4360820 73960 000 --TO-0 1 09 2831 2766 000 33363 000 4360 97 73960 000 000 1 09 2831 2766- 000 335 28 0 00 4360774 73960 000 000 1 08 2831 2766 000 336 94 0 00 43607 52 73960 000 000 107 2831 2766 000 338 59 000 43607 30 73960 000 000 1 07 28 31 2766 5,00 34025 0 00 4360 08 73960 000 000 106 2831 2766- 000 341 90 000 4350687 73960 000 000 TO-6 2831 2766 0 To- 34356 0 00 43606 66 73960 000 0 00 1 05 28 31 27 66 000 34521 0 00 —4360645 73960 000 000 1 04 2831 27 66 0 00 34687 000 43606 2 73960 00 000 1 04 2831 2766 000 34862 0 00 4360 0 73960 000 000 1 03 2831 2766 000 35018 0 00 43605 86 73960-- 000 000 1 03 28 31 --2T6-F- 00 351 83 000 4360566 73960 0 00 --CO-0 02 28 31 27 66 0 00 35349 0 00 4360 48 73960 0 00 0 00 1 02 28 31 27 66 0 00 35514 000 43TO5 29 73960 0 00 000 1 01 --2-8-3T- 27 66 000 35680 0 00 43605 11 73960 000 000 1 01 2831 2766- 000 35845 0 00 43604 93 73960 000 000 1 00 28 31 2766 000 360 11 0 00 43604 739 60 0 00 0 00 0 99 28 31 27 66 000 36176 000 43604 58 73960 000 0 00 0 99 28 31 27 66 000 36342 000 4360 40 73960 000 —F0--a— 0 98 28 31 27 66 000 36507 000 4360424 73960 000 000 098 2 31 27 66 0 00 36673 0 00 4360 07 73960 0 00 000 097 2631 2766 000 36838 0 00 43 603 91 73960 000 0 00 ---0-9f— 28 31 2766 000 37004 000 4 43603 73960 000 0 00 96 28 31 2 66 000 37169 000 43603 59 73960 000 000 0 96 28 31 27 66 0 0 3 3 35 0 00 43603 43 73960 000 000 095 28 31 27 66 000 37500 000 43603 28 73960 000 000 0 9 2831 27T6-- 000 37666 0 00 43603 13 73960 000 000 094 2831 2766 000 37831 000 43602 98 73960 000 TO 0 94 28 31 2766 000 379 96 0 00 4360283 73960 000 0 00 0 93 2831 2766 000 381 62 0 00 43602 68 73960 000 —T O-07- 0 93 28 31 27 66 0 00 383 27 0 00 43602 4 73960 000 0 00 0 9 2831 27 68 000 38493 000 0240 73960 000 000 092 28 31 2766 000 38658 000 43602 26 73960 TO-0 ---r0-0 092 2831 2766 000 38824 000 43602 13 73960 000 000 091 1 2831 27 64--F--o 00 38989 000 4390199 73960 000 000 091 2831 2766 000 391 55 0 00 43601 85 739 60 000 000 0 90 28 31 27 66 1 000 39320 000 43601 73 739 60 000 0 00 0 1 2 0 39486 000 4360160 73960 000 000 089 2831 2766 000 39651 000 4360148 73960 000 --TO-0 089 2831— 2766 Too 39817 000 43601 35 73960 000 ---6-00 0 89 28 31 27 66 000 39982 000 43601 23 73960 000 --0 0—o 088 28 31 27 66 000 40148 000 43601 11 73960 000 --0o—o— 088 2831 27 66 0 00 40313 000 4360099 73960 000 --T-O0 087 28 30 27 66 0 00 40479 000 1 4360087 73960 000 000 087 2830 2766 000 40644 000 4360075 73960 000 0 00 087 2830 27 66 000 408 10 000 4360064 73960 000 0 00 086 28 30 2766 000 40975 0 00 43600 52 73960 000 0 00 086 28 30 2 66 0 00 411 41 000 4360041 73960 0 00 0 00 0 85 --2-8-3-6— 2766 000 41306 000 43600 30 73960 000 000 085 2830 27 66 0 00 41472 000 4360019 73960 000 000 085 2830 2766 000 41637 000 360009 73960 000 0 00 U 84 2830 2766 000 418 03 0 00 43599 98 73960 000 ---To-0 084 28 30 27 66 0 00 41968 0 00 4359988 73960 000 0 00 0 83 28 30 2766 000 421 34 000 4359977 739 60 000 000 083 —2870— 27 66 0 00 42299 000 4 599 67 739 60 000 --To-0 083 28 30 27 66 0 00 424 65 000 4359957 73960 000 000 082 -28—SO— 2766 000 42630 000 4359947 73960 000 '--TO-0 0 82 283-0-- 2766 000 427 96 0 00 4359938 73960 000 000 082 2830 27 66 000 U-961 000 4359928 ---r3599 73960 000 000 U-8 1 —T8-3 —0 2766 000 43127 0 00 19 73960 000 000 T8 28 30 2766 000 43292 0 00 3599 09 73960 000 --d-00— 0 81 28 30 2766 000 43458 000 4359900 73960 000 000 080 28 30 2766 000 43623 000 4359891 73960 000 --To-0 080 2830 2766 000 43789 000 4359882 73960 000 000 0 79 2830 Y 66 000 43954 0 00 3598 73 73960 000 000 079 28 30 27 66 000 441 19 000 4359864 73960 000 000 079 28 30 2766 000 44285 000 4359855 73960 000 000 0 78 28 30 2766 000 44450 0 00 4359847 73960 000 000 0 78 —T8-30— 2766 000 44616- 000 4359838 73960 0 00 —000 078 2830 27 66 000 44781 000 4359830 73960 000 000 078 2830 000 449 47 000 43598 22 739 60 009 0 00 0 77 28 30 000 51 12 000 4359814 73960 000 0 00 077 28 30 0 00 45278 000 4359806 73960 000 000 0 77 28 30 P2766 0 00 5 0 00 4359 98 39 60 0 00 0 00 0 76 28 30 0 00 56 9 0 00 43597 90 739 60 0 00 0 00 0 76 28 30 0 00 457 74 0 00 43597 82 739 60 0 00 0 00 0 76 28 30 000 45940 000 4359774 73960 000 000 0 7 28 30 2766 000 461 05 000 4359767 —4359759 73960— 000 000 075 2830 2766 000 46271 0 00 —000 739 60 000 000 0 75 28 30 2766 000 46436 4359752 73960 000 000 0 74 8 30 27 66 0 00 46602 000 4359745 73960 000 000 074 2830 2766 000 46767 0 00 43597 37 73960 000 000 074 8 30 2 66 000 46933 0 0 43597 30 73960 000 000 0 74 28 30 2766 000 47098 0 00 43597 23 73960 000 000 0 73 28 30 2766 000 47264 000 4359716 739 60 000 000 073 2830 27 66 0 00 47429 0 00 4359709 73960 000 0 00 —673 28 36 27 66 000 47595 000 4359703 73960 000 000 072 2830 2756 000 47760 0 00 43596 96 73-9196 73960 000 000 072 -2830 2766 000 47926 0 00 89 73966 000 0 00 —672 28 30 27 66 boo 46091 000 43 96 83 73960 000 0 00 0 72 2830 2766 000 48257 0 00 43596 76 73960 000 000 0 71 2830 2766 000 48422 000 4 3 59670 73960 000 000 --d-71 2830 27 66 000 48588 000 43596 63 —73960 000 -FO —0 071 2830 2766 000 48753 000 43596 57 73960 000 000 0 70 —2830 2766 000 48919 000 43596 51 73960 000 000 0 70 2830 2766 000 49084 0 00 43598 45 73960 000 0 00 0 0 28 30 27 56 000 49250 0 00 43596 39 73960 000 --0 0-O 0 70 28 30 27 66 000 49415 000 4359633 73960 000 000 0 69 2830 2766 000 49581 0 00 4359627 73960 000 000 0 69 28 30 2766 000 49746 000 43596 21 73960 000 000 069 —2830 2766 0 00 499 12 0 0 3596 15 73960- 000 000 0 69 2830 27 66 Duo 50077 000 4-3T9-6 09 ----43—!F96 73960-- 000 000 0 68 —2830 2766 000 50242 000 04 73960 000 000 0 68 2830 --2T-66 000 50408 000 4359598 73960 000 --To-0 068 —2830 2766 000 50573 0 00 43595 93 —73960 0 00 —000 0 68 28 30 2766 000 50739 0 00 43595 87 73960 000 000 067 2830 27 66 0 00 50904 0 00 43595 82 ---43-6-95 73960 000 000 067 2830 2 66 000 51070 0 00 76 73960 000 --d-00— 0 6-r— —T8--30 2766 000 51235 0 00 43595 1 739 60 000 --0 0—O 0 67 2830 2766 000 51401 000 359566 -73960 000 --0 0—o 066 2830 2766 000 51566 000 4359 60 739 60 000 000 0 66 2830 2756 000 17 32 0 00 43595 55 739 60 0 00 0 00 0 66 2830 2766 000 51897 0 00 43595 50 73960 000 000 056 2030 2766 000 52063 0 00 43595 45 73960 000 0 00 0 66 9830 27 66 0 0 Page 19 Wet P d BASIN 1 REV 11 09 11 is ®TA NCDENR Permit No STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form must be filled out printed and submitted The Required Items Checklist (Part III) must be printed filled out and submitted along with all of the required information I PROJECT INFORMATION Project name Diamonds Keep Subdivision Contact person H Mack Summey Jr PE Phone number 336 328 0902 Date 7/19/2012 Drainage area number 2 (to be pro ded by DWQ) o��p W ATF9QG O t 11 DESIGN INFORMATION I h=' k, y f 1 y' Site Characteristics Iff 'L Drainage area 1011898 ft ; rj Impervious area post development 242 629 fe ff Pt v ,/U / impervious 23 98 / Design rainfall depth 23 in DENIM yyiyR Storage Volume Non SA Waters Oi)At.ITM — -� step Minimum volume required 22 414 ft3 — - I Volume provided 30 836 ft3 OK volume provided is equal to or in excess of volume required Storage Volume SA Waters 15 runoff volume Pre - development 1 yr 24 hr runoff Post - development 1 yr 24 hr runoff Minimum volume required Volume provided Peak Flow Calculations Is the pre/post control of the lyr 24hr storm peak flow required 1 yr 24 hr rainfall depth Rational C pre - development Rational C post - development Rainfall intensity 1 yr 24 hr storm Pre - development 1 yr 24 hr peak flow Post - development 1 yr 24 hr peak flow Pre /Post 1 yr 24 hr peak flow control Elevations Temporary pool elevation Permanent pool elevation SHWT elevation (approx at the perm pool elevation) Top of 1 Oft vegetated shelf elevation Bottom of 1 Oft vegetated shelf elevation Sediment cleanout top elevation (bottom of pond) Sediment cleanout bottom elevation Sediment storage provided Is there additional volume stored above the state - required temp pool? Elevation of the top of the additional volume ft3 ft3 ft3 ft3 ft3 Y (Y or N) 28 in 030 (unitless) 050 ( unitless) 012 inthr OK 083 ft3/sec 139 ft3 /sec 056 fe /sec 72225 fmsl 72050 fmsl 72050 fmsl 720 55 fmsl 72045 fmsl Data not needed for calculation option #1 but OK if provided 71750 fmsl 71600 fmsl Data not needed for calculation option #1 but OK If provided 150 ft N (Y or N) fmsl Fo m SW401 Wet Date t o Bas n Re 9- 4/18/12 Parts I & 11 Des gn S mmary Page 1 of 2 Permit No II DESIGN INFORMATION Surface Areas Area temporary pool 20 451 fe Diameter of orifice (If circular) Area REQUIRED permanent pool 16 798 ft in SA/DA ratio 166 (unitless) Driving head (H ) Area PROVIDED permanent pool A,�_,,., 16 798 ft` OK Area bottom of 1 Oft vegetated shelf Ab t pelf 16110 ft` Coefficient of discharge (C) Area sediment cleanout top elevation (bottom of pond) Abot,.d 7 301 fe ft Volumes ft Pre - development 1 yr 24 hr peak flow Volume temporary pool 30 836 ft3 OK Volume permanent pool Vp ,,,,_p, 14 790 ft3 Storage volume drawdown time Volume forebay (sum of forebays if more than one forebay) 3 012 ft3 OK Forebay / of permanent pool volume 204/ / OK SAIDA Table Data Sluice Gate[Valve Design TSS removal 90 / Coastal SA/DA Table Used? N (Y or N) Mountain/Piedmont SA/DA Table Used? Y (Y or N) SAIDA ratio 166 (unitless) Average depth (used in SA/DA table) Calculation option 1 used? (See Figure 10 2b) Y (Y or N) Volume permanent pool V, mica 14 790 ft Area provided permanent pool Apes, jw, 16 798 ft Average depth calculated 3 00 ft OK Average depth used in SA/DA d. (Round to nearest 0 5ft) 3 0 It OK Calculation option 2 used? (See Figure 10 2b) N (Y or N) Area provided permanent pool Ape,mjw, 16 798 ft Area bottom of 10ft vegetated shelf Abut h If 16110 ft` Area sediment cleanout top elevation (bottom of pond) Ab t1m d 7 301 fe Depth (distance b/w, bottom of 10ft shelf and top of sediment) 2 95 ft Average depth calculated 3 00 ft OK Average depth used in SAIDA dam, (Round to down to nearest 0 5ft) 30 ft OK Drawdown Calculations Drawdown through onfice? Y (Y or N) Diameter of orifice (If circular) 300 In Area of onfice (If non - circular) in Coefficient of discharge (CD) (unitless) Driving head (H ) 175 ft Drawdown through weir? N (Y or N) Weir type (unitless) Coefficient of discharge (C) (unitless) Length of weir (L) ft Driving head (H) ft Pre - development 1 yr 24 hr peak flow 1616 ft3 /sec Post development 1 yr 24 hr peak flow 2694 ft /sec Storage volume discharge rate (through discharge onfice or weir) 055 f /sec Storage volume drawdown time 2 80 days OK draws down in 2 5 days Adddtonal Information Vegetated side slopes 3 1 OK Vegetated shelf slope 10 1 OK Vegetated shelf width 100 ft OK Length of flowpath to width ratio 3 1 OK Length to width ratio 20 1 OK Trash rack for overflow & onfice? Y (Y or N) OK Freeboard provided 3 0 ft OK Vegetated filter provided? N (Y or N) OK Recorded drainage easement provided? Y (Y or N) OK Captures all runoff at ultimate build -out? Y (Y or N) OK Drain mechanism for maintenance or emergencies is Sluice Gate[Valve (to be prov ded by DWQ) Fo m SW401 Wet Detent on Bas n Re 9- 4/18112 Parts I & 11 Des gn Summary Page 2 of 2 Permit No (to be provided by DWQ) Please Indicate the page or plan sheet numbers where the supporting documentation can be found An incomplete submittal package will result in a request for additional information This will delay final review and approval of the project Initial in the space provided to indicate the following design requirements have been met If the applicant has designated an agent the agent may initial below If a requirement has not been met attach justification t� 9 A copy of the deed restrictions (if required) 10 A soils report that is based upon an actual field Investigation soil borings and infiltration tests County soil maps are not an acceptable source of soils information Yrf-%n 0V311 se-4 Form SW401 Wet Detention Basin Rev 9 4/18/12 Part III Required Items Checklist Page 1 of 1 Page/ Plan Initials Sheet No 1 Plans (1 50 or larger) of the entire site showing Design at ultimate build out Off site drainage (If applicable) Delineated drainage basins (Include Rational C coefficient per basin) Basin dimensions Pretreatment system High flow bypass system Maintenance access Proposed drainage easement and public right of way (ROW) Overflow device and Boundaries of drainage easement w�i a 2 Partial plan (1 = 30 or larger) and details for the wet detention basin showing Outlet structure with trash rack or similar Maintenance access Permanent pool dimensions Forebay and main pond with hardened emergency spillway Basin cross section Vegetation specification for planting shelf and Filter strip Mr`S 3 Section view of the wet detention basin (1 = 20 or larger) showing Side slopes 31 or lower Pretreatment and treatment areas and Inlet and outlet structures 4 If the basin is used for sediment and erosion control during construction clean out of the basin is specified on the plans prior to use as a wet detention basin w�5 5 A table of elevations areas incremental volumes & accumulated volumes for overall pond and for forebay to verify volume provided m5 6 A construction sequence that shows how the wet detention basin will be protected from sediment until the l entire drainage area is stabilized �1"M1o�►ed 7 The supporting calculations t�9 �1C 8 A copy of the signed and notarized operation and maintenance (0 &M) agreement t� 9 A copy of the deed restrictions (if required) 10 A soils report that is based upon an actual field Investigation soil borings and infiltration tests County soil maps are not an acceptable source of soils information Yrf-%n 0V311 se-4 Form SW401 Wet Detention Basin Rev 9 4/18/12 Part III Required Items Checklist Page 1 of 1 PERMANENT WET DETENTION POND DESIGN RISERIBARREL TION ARCHDALE TOTAL SITE AREA = PROPOSED BUILT UPON AREA FUTURE BUILT UPON AREA = TOTAL ON SITE BUILT UPON AREA - PERCENT BUILT UPON - SITE DATA ON SITE DRAINAGE AREA TO POND ON SITE BUA TO POND = ONSITE / BUA FOR POND SUB BASI OFF SITE DRAINAGE AREA TO POND TOTAL WATERSHED AREA TO POND DISTURBED AREA = OFF SITE B U A TO POND - / OF OFF SITE B U A TO POND = TOTAL B U A TO POND COMPOSITE B U / = TEMP SED STOR USED (Y /N) 23 23 acres 5 57 acres 0 00 acres 5 57 acres 23 98 / 23 23 acres 5 57 acres 23 98 / 0 00 acres 23 23 acres 20 00 acres 0 00 acres 1000/ 5 57 acres 2398/6 Y CHECKED BY TAK DATE 7/22/2012 TEMPORARY SEDIMENT STORAGE 0 5 acre inch per disturbed acre PERMANENT SEDIMENT STORAGE 0125 acre in per total drainage area PERMANENT WATER QUALITY np rap lined DEPTH (minimum 3 feet) 3 0 feet SA/DA r� ^ 1 12 percent 1 0 Inch rainfall to be controlled TYPE X corrugated aluminum 05 reinforced concrete DESIGN STORM 10 year RAINFALL INTENSITY 232 inches per hour RUNOFF COEFFICIENT (POST) 05 TYPE X grass lined np rap lined DESIGN STORM 100 year RAINFALL INTENSITY 3 4 inches per hour RUNOFF COEFFICIENT 05 POND DATA ELEV @ BOT OF POND - 71600 SURFACE AREA= 7301 SF ELEV @ BOT OF PSS = 71600 SURFACE AREA= 7301 SF ELEV @ BOT OF PWQ 71750 SURFACE AREA = 9106 SF ELEV @ NORMAL POOL = 72050 SURFACE AREA = 14� 790 S ELEV @ TOP OF RISER= 72225 SURFACE AREA = 20451 S ELEV @ EMER SPILLWAY= 72325 ELEV @ TOP OF DAM = 72500 INVERT OF BARREL = 71250 POND DESIGN PERMANENT SEDIMENT STORAGE VOLUME REQUIRED 10541 Cubic Feet VOLUME PROVIDED ELEV @ BOT OF PSS = 716 00 SURFACE AREA 7301 Square Feet ELEV @ BOT OF PWQ = 717 50 SURFACE AREA 9106 Square Feet VOLUME PROVIDED - 12305 Cubic Feet OK PERMANENT WATER QUALITY SURFACE AREA REQ D 11333 Square Feet 2MAL POOL ELEVATION = 72050 ;FACE AREA PROVIDED = 14790 Square Feel OK TEMPORARY WATER QUALITY STORAGE REQUIRED Rv - Page 1 0 266 in/in Copy of BASIN 2 revised 7 22 2012 (2) As REQUIRED = ELEV @ BOT OF TWQ = 720 50 SURFACE AREA ELEV @ TOP OF TWQ = 722 25 SURFACE AREA - VOLUME PROVIDED = 14790 Square Feet 20451 Square Feet PRINCIPAL SPILLWAY ELEV @ BOT OF WATER QUALITY RELEASE HOLE = MAX PEAK FLOW= MAXIMUM RELEASE RATE = 17 3 CFS HEAD ABOVE TOP OF RISER = 5 Days 0 72 It ELEVATION AT TOP OF RISER MINIMUM HOLE SIZE = 0022412449 72225 VELOCITY (fUsec) - 514 TRACTIVE FORCE (lb /ft 2) = BARREL BARREL SIZE USED (in) = 24 00 in dia ELEVATION AT TOP OF RISER 72225 ELEVATION OF BARREL INVERT 7125 Hw PROVIDED - 10 47 ft Hw /D PROVIDED- 523559962 Hw /D REQ D FOR DESIGN STORM (FROM CHART) = 065 Hw REQUIRED = 1 30 ft CHECK CULVERT (INLET CONTROL) OK Q (FROM CHART) AT Hw /D PROVIDED - 55 0 CFS RISER RISER (AREA) = 15 TIMES AREA OF 24 00 in dia MIN RISER DIA = 29 39 in dia RISER DIA USED - 36 in dia WEIR EQUATION Qw - 19 2 CFS OK ORIFICE EQUATION Qo - 28 9 CFS OK Qw CONTROLS 19 2 CFS RISER CONTROLS 19 2 CFS PRINCIPAL SPILLWAY SYSTEM OK WATER QUALITY RELEASE HOLE ELEV @ BOT OF WATER QUALITY RELEASE HOLE = 72050 MAXIMUM RELEASE RATE = 2 Days MINIMUM RELEASE RATE - 5 Days MAXIMUM HOLE SIZE = 0056031123 3 21 in dia MINIMUM HOLE SIZE = 0022412449 2 03 in dia EMERGENCY SPILLWAY ELEV @ EMER SPILLWAY 72325 DESIGN STORM PEAK FLOW 39 5 CFS FLOW THROUGH EMER SPILLWAY= 34 2 CFS EMER SPILLWAY SIDE SLOPES (ie 3 if 31 0 if vertical) 3 FLOW DEPTH = 1 00 ft VELOCITY (fUsec) - 514 TRACTIVE FORCE (lb /ft 2) = 125 BOTTOM WIDTH REQUIRED = 3 76 ft Page 2 Copy of BASIN 2 revised 7 22 2012 (2) As ELEV @ TOP OF RISER = ELEV @ BOT OF PSS = H= AREA OF RISER - VOLUME OF RISER - AREA OF BARREL = EXPOSED LENGTH = VOLUME OF BARREL WEIGHT OF WATER DISPLACED = FACTOR OF SAFETY (1 25 / ) VOLUME OF ANCHOR PROVIDED - VOLUME OF ANCHOR REQUIRED = PROJECT Drainage Area Disturbed Area Impervious Surface % Impervious Pool Volume Req d Sods (A B C or D) Scs Curve Number 72225 71600 625ft 7 1 SF 44 2 Cubic Feet 31 SF 1000ft 31 4 Cubic Feet 4870 Cubic Feet 39 3 Cubic Feet 11POND ROUTING (CHAINSAW METHOD) DIAMONDS KEEP 2323 acres 2000 acres 557 acres 240/ 080 in /acre C 80 4717 10 Ibl 5896 38 Ib STORM EVENT C I (INhr) A (acre) Q 08) 10 Year P18- DeYeIO Brent 030 579 23 23 4035 10 Year Pdawmro meat 050 Cw at riser- 2323 1732 100 Year Post - Development 050 4800 in 2323 3421 Temp Sediment Storage Volume 1/2 ac in /ac ss =(area 0 5 43560)/12 36 300 00 cf Perm Sediment Storage Volume 118 ac in/ac ss =(area 0 125 43560)/12= 10 541 cf Permanent Pool Volume pp =(area factor•43560) /12= 67 460 cf Total Pond Volume TPV= 114 301 cf Toe of Dam Elevation 71600 Top of Dam Elevation 72500 Dam Width 10 Riser Diameter of riser- 3600 in Elev of riser top- 72225 It Cw at riser- 300 Cd at nser- 060 Trash Rack- 4800 in Barrel Diameter of barrel 2400 in Inv in= 71250 ft 10 YEAR FLOW AFTER ROUTING 100 YEAR FLOW AFTER ROUTING Ks= 7350 86 a- 8 90 b= 125 Page 3 Copy of BASIN 2 revised 7 22 2012 (2) As Inv Out- 71800 Length of barrel= 80 00]ft Cdb= 060 Slope= 6 88 / Emergency Spillway Cw= 300 Ecr- 72325 It Dam width 10 00 It Side Slope (Hor to Vert) 3 1 Bottom Width in Feet (Lw) 10 Slope in / 001 Manning n 0 062 Depth (ft) 042 Flow (cfs) 060 Velocity (ft/sec) Oil Tractive Force (lb /ft 2) 000 Anti flotation Device Riser Height (ft) 975 Barrel Length to Dam (ft) 10 Weight of Water Displaced by Riser (lb) Weight of Water Displaced by Barrel (lb) Weight of Water Displaced by Concrete (lb ) TOTAL Weight of Concrete Block (lb ) Factor of Safety 1 15 Size of Anti -seep Collars (in) 60 Stage Storage Function 00001 4298 1959 0 6258 7200 Contour Contour Area (sq ft ) Incr Vol (cu ft Accum Vol (cu fQ In S In Z Stage (It) Z at (ft) 71600 7301 00 71700 8491 00 78960 78960 897 000 1 0 1 1 71800 973700 91140 170100 974 069 20 20 71900 1104000 103885 273985 1022 1 10 30 1 29 72000 1239900 117195 391180 1057 1 39 40 38 72050 1479000 67973 459153 1073 150 45 43 721 00 1733800 80320 539473 1090 161 50 49 72200 1894200 181400 720873 11 19 179 60 62 72300 2196000 204510 925383 1144 195 70 76 Page 4 Copy of BASIN 2 revised 7 22 2012 (2) As Routing 10 Year Storm MAX STAGE ELEV 722 97 P 232 MAX FLOW CFS 17 32 1 232 4035 Tp= 28 77 First Time Step- s 250 Time Step 288 Q 077 Time (min) Inflow (cfs ) Storage (cu ft Stage (ft) Outflow Riser Weir (cft) Riser Onface cfs Barrel Onface (cfs) Hydraulic Grade Line (cfs ) Emergency Spillway (afs 000 000 4819622 72050 000 000 000 000 17 25 000 100 008 4819622 72050 000 000 000 000 17 25 000 388 1 19 4821008 72050 000 000 000 000 1725 000 675 350 4841541 72052 000 000 000 1 000 1730 000 963 679 4901978 72056 000 000 000 000 1746 1251 10 73 5019171 72065 000 000 000 000 1775 ___000 000 1539 1494 5204414 72079 000 000 000 000 1820 000 1826 1901 5462340 72097 000 000 000 000 1881 000 21 14 2253 5790469 72121 000 000 000 000 1955 000 2402 2517 6179447 72149 000 000 000 000 1 2038 000 2689 2666 6613965 721 80 000 000 1 000 000 2125 000 2977 2687 7074257 72212 000 000 000 0 00 2213 000 3265 2576 7538031 72244 226 226 14 66 4522 2297 000 3552 2345 7943682 72271 885 885 2311 4591 2367 000 3840 2063 8195646 72288 1416 14 16 2703 4633 2410 000 4128 1811 8307227 72296 1676 1676 2859 4651 2428 000 4416 1590 8330633 72297 1732 1732 2890 4655 1 2432 000 4703 1397 8306236 72295 1673 1673 2857 4651 2428 000 4991 1226 8258471 72292 1561 1561 1 2792 4643 2420 000 5279 1077 8200767 72288 1428 1428 2710 4634 2411 000 5566 946 8140171 72284 1293 1293 2622 4624 2401 000 5854 830 8080269 72280 1163 11 63 2531 4614 2391 000 6142 729 8022813 72276 1043 1043 2441 4604 2381 000 6429 640 7968595 72273 934 934 2353 4595 2372 000 6717 562 7917901 72269 835 835 2267 4587 2363 000 7005 494 7870757 72266 747 747 1 2184 4579 2355 000 7293 433 7827053 72263 668 668 21 04 4571 2348 000 7580 381 7786615 72260 597 597 2027 4564 2341 000 7868 334 7749238 72258 534 534 1953 4558 2334 000 8156 293 7714713 72256 478 478 1882 4552 2328 000 8443 258 7682831 72253 428 428 1814 4547 2323 000 8731 226 7653394 72251 384 384 1749 4542 2317 000 9019 1 99 7626212 72250 344 344 1 1687 4537 1 2313 000 9306 174 76011 10 72248 309 309 1627 4533 2308 000 9594 1 53 7577924 72246 277 2 77 1570 4529 2304 000 9882 135 7556502 72245 249 249 1515 4525 2300 1 000 10170 1 18 7536706 72243 224 224 1462 4521 2297 000 10457 104 7518406 72242 202 202 1412 4518 2294 000 10745 091 7501485 72241 1 82 182 1363 4515 2291 000 11033 080 7485832 72240 164 164 1317 4513 2288 000 11320 070 7471348 72239 148 148 1273 1 4510 2285 000 11608 062 7457941 72238 1 34 134 1230 4508 2283 000 11896 054 7445526 72237 121 121 1190 4506 2281 000 12183 048 7434025 72236 109 109 11 51 4504 2279 000 12471 042 7423367 72236 099 099 11 13 4502 2277 000 12759 037 7413487 72235 090 090 1078 4500 2275 000 13047 032 7404322 72234 081 081 1 1043 4499 2273 000 13334 028 7395819 72234 074 074 1010 4497 2272 000 13622 025 7387926 72233 067 067 979 4496 2270 1 000 13910 022 7380596 72233 061 061 949 4494 2269 000 141 97 019 7373786 72232 056 056 920 4493 2268 000 14485 017 7367456 72232 051 051 892 4492 2267 000 14773 015 7361569 72231 046 046 865 4491 2266 000 15060 013 7356092 72231 042 042 840 1 4490 2265 000 15348 Oil 7350994 72231 039 039 815 4489 2264 000 15636 010 7346246 72230 036 036 792 4488 2263 000 15924 009 7341822 72230 033 033 769 4488 2262 000 16211 008 7337698 72230 030 030 748 4487 2261 000 16499 007 7333851 72230 028 028 727 4486 2261 000 16787 006 7330261 72229 025 025 1 707 4486 2260 000 17074 005 7326909 72229 023 023 688 4485 2259 000 17362 005 7323777 72229 022 022 670 4484 2259 1 000 17650 004 7320850 72229 020 020 652 4484 2258 000 17937 004 1 73181 12 1 72228 1 018 0 18 635 4483 2258 000 18225 003 1 7315550 1 72228 0 17 0 17 6 1 44 22 7 18513 003 7313151 72228 016 016 603 4483 2257 000 18801 002 7310903 72228 015 015 588 4482 2257 000 19088 002 7308796 72228 014 014 574 4482 2256 000 19376 002 7306820 72228 013 0 13 560 4481 2256 000 19664 002 7304965 72228 012 0 12 547 4481 2255 000 19951 001 7303223 72227 011 0 11 534 4481 2255 000 20239 001 7301586 72227 010 0 10 521 4481 2255 000 20527 001 7300046 72227 009 009 510 4480 2255 000 20814 001 7298598 72227 009 009 498 4480 2254 000 211 02 001 7297234 72227 008 008 487 4480 2254 000 21390 001 7295950 72227 008 008 476 4480 2254 000 21678 001 7294739 72227 007 007 466 4479 2254 000 21965 001 7293597 72227 007 007 456 4479 2253 1 000 22253 001 7292519 72227 006 006 447 4479 2253 000 22541 000 7291502 72227 006 006 438 4479 2253 000 22828 000 7290540 72227 006 006 429 4479 2253 000 231 16 000 7289630 72227 005 005 420 4478 2253 000 23404 000 7288770 72226 005 005 412 4478 2253 000 23691 000 7287955 72226 005 005 404 4478 2252 000 23979 000 72871 83 72226 004 004 396 4478 2252 000 24267 000 7286451 72226 004 004 389 4478 2252 000 24555 000 7285757 72226 004 004 382 4478 2252 000 24842 000 7285098 72226 004 004 375 4478 2252 000 251 30 000 7284473 72226 004 004 368 4478 2252 000 25418 000 7283878 72226 003 003 362 4477 2252 000 25705 000 7283313 72226 003 003 355 4477 2252 1 000 25993 000 7282775 72226 003 003 1 349 4477 2251 000 26281 000 7282263 72226 003 003 344 4477 2251 000 26569 000 7281775 72226 0 03 003 338 4477 2251 000 26856 000 7281310 72226 003 003 332 4477 2251 000 27144 000 7280867 72226 003 003 327 4477 2251 000 27432 000 7280444 72226 002 002 322 4477 2251 000 27719 000 7280040 72226 002 002 317 4477 2251 000 28007 000 7279654 72226 002 002 312 4477 2251 000 28295 000 7279285 72226 002 002 307 4477 2251 000 28582 000 7278933 72226 002 002 302 4477 2251 000 28870 000 7278595 72226 002 002 298 4476 2251 000 29158 000 7278272 72226 002 002 294 4476 2251 000 29446 000 7277963 72226 002 002 289 4476 2251 000 29733 000 7277666 72226 002 002 285 44 76 2251 000 30021 000 7277381 72226 002 002 281 4476 2250 000 30309 000 7277109 72226 002 002 277 4476 2250 000 30596 000 7276847 72226 001 001 274 4476 22 50 000 30884 000 7276595 72226 001 001 270 4476 22 50 000 31172 000 7276353 72226 001 001 266 4476 2250 000 31459 000 7276121 72226 001 001 263 4476 2250 000 31747 000 7275898 72226 001 001 259 4476 2250 000 32035 000 7275683 72226 001 001 256 4476 2250 000 32323 000 7275476 72226 001 001 253 4476 2250 000 32610 000 7275277 72226 001 001 250 44 76 2250 000 32898 000 7275085 72226 001 001 247 4476 2250 000 331 86 000 7274900 72226 001 001 244 4476 2250 000 33473 000 7274721 72226 001 001 241 4476 2250 000 33761 000 7274549 72225 001 001 238 4476 2250 000 34049 000 7274383 72225 001 001 235 4476 2250 000 34336 000 7274223 72225 001 001 232 4476 2250 000 34624 000 7274068 72225 001 001 1 230 4476 2250 000 34912 000 7273919 72225 001 001 227 4476 2250 000 35200 000 7273774 72225 001 001 224 4476 2250 000 35487 000 7273634 72225 001 001 222 4476 2250 000 35775 000 7273499 72225 001 001 220 4476 2250 00 36063 000 7273369 72225 001 001 217 4476 2250 000 36350 000 7273242 72225 001 001 215 4476 2250 000 36638 000 72731 19 72225 001 001 1 213 4476 2250 000 36926 000 7273001 72225 001 001 210 4476 2250 000 37213 000 7272886 72225 001 001 208 4475 2250 000 37501 000 7272774 72225 001 001 206 4475 2250 000 37789 000 7272666 72225 001 001 204 4475 2250 000 38077 000 7272562 72225 001 001 202 4475 2250 000 38364 000 7272460 72225 001 001 200 4475 2250 000 38652 000 7272361 72225 001 001 1 98 4475 2250 000 38940 000 7272265 72225 001 001 1 96 4475 2250 000 39227 000 7272173 72225 001 001 1 94 4475 2250 000 39515 000 7272082 72225 001 001 1 92 4475 2249 000 39803 000 7271995 72225 000 000 1 90 4475 2249 000 40090 000 7271909 72225 000 000 188 4475 2249 002 40378 000 7271826 72225 000 000 187 4475 2249 000 40666 000 7271746 72225 000 000 185 4475 2249 0 00 aye v copy or umom z revwsea i ZZ Zal Z kZ) XIS 40954 000 7271668 72225 000 000 1 83 4475 2249 000 41241 000 7271591 72225 000 000 1 82 4475 2249 000 41529 000 7271517 72225 000 000 1 80 4475 2249 000 41817 000 7271445 72225 000 0 00 178 4475 2249 000 421 04 000 7271375 72225 000 000 1 77 4475 2249 000 42392 000 7271306 72225 000 000 175 4475 2249 000 42680 000 7271240 72225 000 000 1 74 4475 2249 000 42967 000 7271175 72225 000 000 1 72 4475 2249 000 43255 000 72711 11 72225 000 000 171 4475 2249 000 43543 000 7271050 72225 000 000 169 4475 2249 000 43831 000 7270990 72225 000 000 168 4475 22 49 000 441 18 000 7270931 72225 000 000 i 67 44 75 2249 000 44406 000 7270874 72225 000 000 165 4475 1 2249 000 44694 000 7270818 72225 000 000 164 4475 2249 000 44981 000 7270764 72225 000 000 162 4475 2249 000 45269 000 7270711 72225 000 000 1 61 4475 2249 000 45557 000 7270659 72225 000 000 1 60 4475 2249 000 45844 000 7270608 72225 000 000 1 59 4475 2249 000 461 32 000 7270559 72225 000 000 1 57 4475 2249 000 46420 000 7270511 72225 006 000 1 56 4475 2249 000 46708 000 7270464 72225 000 000 1 55 4475 2249 000 46995 000 7270418 72225 000 000 1 1 54 44 75 2249 000 47283 000 7270373 72225 000 000 1 53 4475 2249 000 47571 000 7270329 72225 000 000 1 51 4475 2249 000 47858 000 7270286 72225 000 000 150 4475 2249 000 48146 000 7270244 72225 000 000 149 4475 2249 000 48434 000 7270203 72225 000 000 148 4475 2249 000 48721 000 7270162 72225 000 000 1 47 4475 2249 000 49009 000 7270123 72225 000 000 1 146 4475 2249 000 49297 000 7270085 72225 000 000 145 4475 2249 000 49585 000 7270047 72225 000 000 144 4475 2249 000 49872 000 7270010 72225 000 000 143 1 4475 2249 000 50160 000 7269974 72225 000 000 142 4475 1 2249 000 50448 000 7269939 72225 000 000 141 4475 2249 000 50735 000 7269904 72225 000 000 140 4475 2249 000 51023 000 7269870 72225 000 000 1 39 4475 2249 000 51311 000 7269837 72225 000 000 1 38 4475 2249 000 51599 000 7269805 72225 Goo 000 1 1 37 4475 2249 000 51886 000 7269773 72225 000 000 1 36 4475 2249 1 000 52174 000 7269742 72225 000 000 1 35 4475 2249 000 52462 000 7269711 72225 000 000 1 34 4475 2249 000 52749 000 7269681 72225 000 000 1 33 4475 2249 000 53037 000 7269652 72225 000 000 1 32 4475 2249 000 53325 000 7269623 72225 000 000 1 32 4475 2249 0 00 53612 000 7269595 72225 000 000 1 31 4475 2249 000 53900 000 7269568 72225 000 000 1 30 4475 2249 000 541 88 000 7269540 72225 000 000 129 4475 2249 000 54476 000 7269514 72225 000 000 128 4475 2249 000 54763 000 7269488 72225 000 000 127 4475 2249 000 55051 000 7269462 72225 000 000 1 27 4475 2249 000 55339 000 7269437 72225 000 000 126 4475 2249 000 55626 000 7269412 72225 000 000 125 4475 2249 000 55914 000 7269388 72225 020 000 124 4475 2249 000 56202 000 7269364 72225 000 000 123 4475 2249 000 56489 000 7269341 72225 000 000 123 4475 2249 000 56777 000 7269318 72225 000 000 1 22 44 75 2249 0 00 57065 000 7269296 72225 000 000 121 4475 2249 000 57353 000 7269274 72225 000 000 1 1 21 4475 2249 000 57640 000 7269252 72225 000 000 120 4475 2249 000 57928 000 7269231 72225 000 000 1 19 4475 2249 000 58216 000 7269210 72225 000 000 1 18 4475 2249 000 58503 000 72691 89 72225 000 000 1 18 4475 2249 000 58791 000 7269169 72225 000 000 1 17 4475 2249 000 59079 000 7269149 72225 000 000 1 16 4475 2249 ----o00 59366 000 72691 30 72225 000 000 1 16 4475 2249 000 59654 000 72691 11 72225 000 000 1 15 4475 2249 000 59942 000 7269092 72225 000 000 1 14 4475 2249 000 60230 000 7269073 72225 000 000 1 14 4475 2249 000 60517 000 7269055 72225 000 000 1 13 4475 2249 000 60805 000 7269037 72225 000 000 1 12 4475 2249 000 61093 000 7269020 72225 000 000 1 12 4475 22 49 000 61380 000 7269002 72225 000 000 1 11 4475 2249 000 61668 000 7268985 72225 000 000 1 11 4475 2249 000 61956 000 7268969 72225 000 000 1 10 4475 2249 000 62243 000 7268952 72225 000 000 1 09 4475 2249 000 62531 000 7268936 72225 000 000 1 09 4475 2249 000 62819 000 7268920 72225 000 000 1 08 4475 2249 000 631 07 1 000 7268904 72225 000 1000 1 1 08 4475 2249 000 .U. 1 NUF/Y UI 0M011I 4 1 "ISCU 1 44 LU 14 ,L) A 63394 000 7268889 72225 000 000 1 07 4475 2249 000 63682 000 7268874 72225 000 000 1 06 4475 22 49 000 63970 000 7268859 72225 000 000 1 06 4475 22 49 000 64257 000 7268844 72225 000 0 00 105 4475 2249 000 64545 000 7268830 72225 000 000 1 05 4475 2249 000 64833 000 7268815 72225 000 000 1 04 4475 2249 000 651 20 000 7268801 72225 000 000 104 1 4475 2249 1 000 65408 000 7268788 72225 000 000 103 4475 2249 000 65696 000 7268774 72225 000 000 1 03 4475 2249 000 65984 000 7268761 72225 000 000 102 4475 2249 000 66271 000 7268747 72225 000 000 102 4475 2249 000 66559 000 7268734 72225 000 000 101 4475 2249 000 66847 000 7268722 72225 000 000 1 01 4475 2249 000 67134 000 7268709 72225 000 000 1 00 4475 2249 000 67422 000 7268697 72225 000 000 1 00 4475 2249 000 67710 000 7268684 72225 000 000 099 4475 2249 000 67997 000 7268672 72225 000 000 099 4475 22 49 000 68285 000 7268660 72225 000 000 098 4475 2249 000 68573 000 7268649 72225 000 000 098 4475 2249 000 68861 000 7268637 72225 000 000 097 4475 2249 000 69148 000 7268626 72225 000 000 1 097 4475 2249 000 69436 000 7268615 72225 000 000 096 4475 2249 000 69724 000 7268603 72225 000 000 096 4475 2249 000 70011 000 7268593 72225 000 000 095 4475 2249 000 70299 000 7268582 72225 000 000 095 4475 2249 000 70587 000 7268571 72225 000 000 0 94 4475 2249 000 70874 000 7268561 72225 000 000 094 4475 2249 000 71162 000 7268551 72225 000 000 094 4475 2249 000 71450 000 7268540 72225 000 000 093 4475 2249 000 71738 000 7268530 72225 000 000 093 4475 2249 000 72025 000 7268520 72225 000 000 092 4475 2249 000 72313 000 7268511 72225 000 000 092 4475 2249 000 72601 000 7268501 72225 000 000 091 4475 2249 000 72888 000 7268492 72225 000 000 091 4475 2249 000 73176 000 7268482 72225 000 000 091 4475 2249 000 73464 000 7268473 72225 000 000 090 4475 2249 000 73751 000 7268464 72225 000 000 090 4475 2249 000 74039 000 7268455 72225 000 000 089 4475 2249 000 74327 000 7268446 72225 000 000 089 4475 2249 000 74615 000 7268437 72225 000 0 00 089 4475 2249 000 74902 000 7268429 72225 000 000 088 4475 2249 000 751 90 000 7268420 72225 000 000 088 4475 2249 0 00 754 78 000 7268412 72225 000 000 087 4475 2249 000 75765 000 7268404 72225 000 000 087 4475 2249 000 76053 000 7268395 72225 000 000 087 4475 2249 000 76341 000 7268387 72225 000 000 086 4475 2249 000 76629 000 7268379 72225 000 000 086 4475 2249 000 76916 000 7268371 72225 000 000 086 4475 1 2249 000 77204 000 7268364 72225 000 000 085 4475 2249 000 77492 000 7268356 72225 000 000 085 4475 2249 000 77779 000 7268348 72225 000 000 085 4475 2249 000 78067 000 7268341 72225 000 000 084 4475 2249 000 78355 000 7268334 72225 000 000 084 4475 2249 000 78642 000 7268326 72225 000 000 084 4475 2249 000 78930 000 7268319 72225 000 000 083 4475 2249 000 79218 000 7268312 72225 000 000 083 4475 2249 000 79506 000 7268305 72225 000 000 082 4475 2249 000 79793 000 7268298 72225 000 000 1 082 4475 2249 000 80081 000 7268291 72225 000 000 082 4475 2249 000 80369 000 7268284 72225 000 000 081 4475 2249 000 80656 000 7268278 72225 000 000 081 4475 2249 000 80944 000 7268271 72225 000 000 081 4475 2249 000 81232 000 7268264 72225 000 000 081 4475 2249 000 81519 000 7268258 72225 000 000 080 4475 2249 000 81807 000 7268252 72225 000 000 080 4475 2249 000 82095 000 7268245 72225 000 000 080 4475 2249 000 82383 000 7268239 72225 000 000 079 4475 2249 000 82670 000 7268233 72225 000 000 079 4475 2249 000 82958 000 7268227 72225 000 000 079 4475 2249 000 83246 000 7268221 72225 000 000 078 4475 2249 000 83533 000 7268215 72225 000 000 078 4475 2249 000 83821 000 7268209 72225 000 000 078 4475 2249 0 00 84109 000 7268203 72225 000 000 077 4475 2249 000 84396 000 72681 97 72225 000 000 077 4475 2249 000 84684 000 72681 92 72225 000 000 077 4475 2249 000 84972 000 7268186 72225 000 000 077 4475 2249 000 85260 000 72681 81 72225 000 000 076 4475 2249 000 85547 1 000 1 7268175 1 72225 1 000 000 075 44 75 2249 0 00 .V.. VUpy VI Dr1JIIY L ICVWCU I LL LV IL k/) RIS 85835 000 7268170 72225 000 000 076 4475 2249 000 861 23 000 7268164 72225 000 000 075 4475 2249 000 86410 000 72681 59 72225 000 000 075 4475 2249 000 86698 000 72681 54 72225 000 000 075 4475 2249 000 86986 000 7268149 72225 000 000 075 4475 2249 000 87273 000 7268143 72225 000 000 074 4475 2249 000 87561 000 72681 38 72225 000 0 00 074 4475 2249 000 87849 000 7268133 72225 000 000 074 4475 2249 000 881 37 000 7268128 72225 000 000 073 44 75 2249 000 88424 000 72681 23 72225 000 000 073 4475 2249 000 88712 000 72681 19 72225 000 000 073 4475 22 49 000 89000 000 72681 14 72225 000 000 073 4475 2249 000 89287 000 72681 09 72225 000 000 072 4475 1 2249 0 00 89575 000 72681 04 72225 000 000 072 4475 2249 000 89863 000 72681 00 72225 000 000 0 72 4475 2249 000 901 50 000 7268095 72225 000 000 072 4475 2249 000 90438 000 7268091 72225 000 1 000 1 071 4475 2249 000 90726 1 000 1 7268086 1 72225 000 1 000 1 071 4475 2249 000 Page 9 Copy of BASIN 2 revised 7 22 2012 (2) As Routing 100 Year Storm P= 3 40 Emergency Spillway Activated MAX STAGE 72367 i- 3 40 MAX FLOW 3421 Tp= 39 87 First Time Stel 1 s= 2 50 Time Step- 399 Q -156 Time (min) Inflow (cfs ) Storage (cu ft Stage (f D Outflow Riser Weir Riser Ortface (CIS) Barrel Orifece (ors) Hydmlic Grade line crs Emergency Spillway (cfs 000 000 4819622 72050 000 000 000 000 1725 000 1 00 006 4819622 72050 000 000 000 000 1725 000 499 1 50 4821088 72050 000 000 000 000 1725 000 897 473 4857092 72053 000 000 000 1 000 1734 000 1296 943 4970354 72061 000 000 000 000 1763 000 1695 1514 5196028 72078 000 000 000 000 1818 000 2094 2130 5558266 721 04 000 000 000 000 1903 000 2492 2731 6067853 72141 000 000 000 000 2014 000 2891 3257 6721149 721 87 000 000 000 000 2146 000 3290 3658 7500446 72241 181 1 81 1360 4515 2291 000 3689 3895 8332509 72297 1736 1736 2893 4656 2432 000 4087 3943 8848907 72332 2566 31 12 3514 4739 25 15 051 4486 3799 9178408 72353 3018 41 09 3855 4791 2566 452 4885 3476 9365273 72366 3369 4711 4035 4821 2594 775 5284 3061 9390894 72367 3421 4796 4059 4825 25 98 823 5682 2688 9304798 72362 3249 4514 3978 4811 2585 664 6081 2360 9170568 72353 3004 4085 3848 1 4790 2565 440 6480 2073 9016526 72343 2764 3609 3692 4766 2541 223 6879 1820 88511 84 72332 2568 31 18 3516 4740 2515 053 7277 1598 8672232 72320 2487 2614 3315 4711 2487 000 7676 1403 8459534 72306 2051 2051 3058 4676 2453 000 8075 1232 8304538 72295 1669 1669 2855 4651 1 2428 000 8474 1082 8199985 72288 1426 1426 1 2709 4634 2410 000 8872 950 8117663 72283 1243 1243 2588 4620 000 9271 834 8047485 72278 1094 1094 2480 4608 .2397 2385 000 9670 733 7985307 72274 967 967 2380 4598 2375 000 10069 643 79291 87 72270 857 857 2286 4588 2365 000 10467 565 7878075 72267 760 760 21 97 4580 2356 000 10866 496 7831309 72263 675 675 21 12 4572 1 2348 000 11265 436 7788413 72261 600 600 1 2030 4565 2341 000 11664 382 7749012 72258 534 534 1953 4558 2334 000 12062 336 7712788 72255 475 475 1878 4552 2328 000 12461 295 7679466 72253 423 423 1807 4546 2322 000 12860 259 7648798 72251 377 377 1739 4541 23 17 000 13259 227 7620563 72249 336 336 1673 4536 2312 1 000 13657 200 7594559 72247 300 300 1611 4531 2307 000 14056 175 7570602 72246 268 268 1 1551 4527 2303 000 14455 154 7548525 72244 239 239 1494 4524 2299 000 14854 1 35 7528174 72243 214 214 1439 4520 2295 000 15252 1 19 7509409 72242 1 91 1 91 1386 4517 2292 000 15651 1 04 7492101 72240 1 71 1 71 1336 1 4514 2289 000 16050 092 74761 32 72239 1 53 1 53 1288 4511 2286 1 000 16448 080 7461395 72238 1 37 1 37 1241 4508 2284 000 16847 071 7447790 72237 123 1 23 1197 4506 2281 000 17246 062 7435226 72237 1 10 1 10 11 55 4504 2279 000 17645 054 7423621 72236 099 099 11 14 4502 2277 000 18043 048 7412897 72235 089 089 1 1075 4500 2275 000 18442 042 7402984 72234 080 080 10 38 4498 2273 000 18841 037 7393819 72234 072 072 1003 4497 1 2271 000 19240 032 7385341 72233 065 065 976-8 4495 2270 000 19638 028 7377497 72233 059 059 936 4494 2269 000 20037 025 7370236 72232 053 053 904 4493 2267 000 20436 022 7363513 72232 048 048 874 4491 2266 000 20835 019 7357285 72231 043 043 1 846 4490 2265 000 21233 017 7351514 72231 039 039 818 4489 1 2264 000 21632 015 7346165 72230 036 036 792 4488 2263 000 22031 013 7341204 72230 032 032 766 4487 2262 000 22430 Oil 7336601 72230 029 029 742 4487 2261 000 22828 010 7332329 72229 027 027 719 4486 2260 000 23227 009 7328362 72229 024 024 696 4485 2260 000 23626 008 7324677 72229 022 1 022 1 675 4485 2259 000 24025 007 7321252 72229 020 020 655 1 4484 1 2258 1 000 24423 006 7318068 72228 018 018 635 44 83 22 58 000 24822 1 005 1 73151 05 1 72228 1 017 0 17 616 4483 1 2257 000 25221 1 005 1 7312349 1 72228 0 15 0 15 I 5 9 44 22 7 25620 004 7309782 72228 014 014 581 4482 2256 000 26018 004 7307390 72228 013 013 564 4482 2256 000 26417 003 7305162 72228 012 012 548 4481 2256 000 26816 003 7303083 72227 011 0 11 533 4481 2255 000 27215 002 7301144 72227 010 0 10 518 4480 2255 000 27613 002 7299334 72227 009 009 504 4480 2254 000 28012 002 7297643 72227 008 008 490 4480 2254 000 28411 002 7296063 72227 008 008 477 4480 2254 050 28810 001 7294585 - 72227 007 007 465 4479 2254 000 29208 001 7293203 72227 007 007 453 4479 2253 000 29607 001 7291909 72227 006 006 441 4479 2253 000 30006 001 7290697 72227 006 006 430 4479 2253 000 30405 001 7289562 72227 005 005 420 4478 2253 000 30803 001 7288497 72226 005 005 409 4478 2252 000 31202 001 7287497 72226 005 005 400 4478 2252 000 31601 001 7286559 72226 004 004 390 4478 2252 000 32000 001 7285678 72226 004 004 381 4478 2252 000 32398 000 7284849 72226 004 004 372 4478 2252 000 32797 000 7284070 72226 003 003 384 4477 2252 000 331 96 000 7283337 72226 003 003 356 4477 2252 000 33594 000 7282646 72226 003 003 348 44 77 2251 000 33993 000 7281995 72226 003 003 340 4477 2251 000 34392 000 7281381 72226 003 003 333 4477 2251 000 34791 000 7280802 72226 002 002 326 4477 2251 000 35189 000 7280256 72226 002 002 319 4477 2251 000 35588 000 7279740 72226 002 002 313 4477 2251 000 35987 000 7279251 72226 002 002 307 4477 2251 000 36386 000 7278790 72226 002 002 301 4477 2251 000 36784 000 7278353 72226 002 002 295 4476 2251 000 371 83 000 7277939 72226 002 002 289 4476 2251 000 37582 000 7277547 72226 002 002 284 4476 2250 000 37981 000 7277175 72226 002 002 278 4476 2250 000 38379 000 7276822 72226 001 001 273 4476 2250 000 38778 000 7276487 72226 001 001 268 4476 2250 000 391 77 000 7276169 72226 001 001 264 4476 2250 000 39576 000 7275867 72226 001 001 259 4476 2250 000 39974 000 7275579 72226 001 001 254 4476 2250 000 40373 000 7275305 72226 001 001 250 4476 2250 000 40772 000 7275045 72226 001 001 246 4476 2250 000 411 71 000 7274796 72226 001 001 242 4476 2250 000 41569 000 7274559 72225 001 001 238 4478 2250 000 41968 000 7274333 72225 001 001 234 4476 2250 000 42367 000 72741 18 72225 001 001 230 4476 2250 000 42766 000 7273912 72225 001 001 227 4476 2250 000 43164 000 7273715 72225 001 001 223 4476 2250 000 43563 000 7273527 72225 001 001 220 4476 2250 000 43962 000 7273347 72225 001 001 217 4476 2250 000 44361 000 7273175 72225 001 001 214 4476 2250 000 44759 000 7273010 72225 001 001 210 4476 2250 000 451 58 000 7272852 72225 001 001 207 4475 2250 000 45557 000 7272700 72225 001 001 205 4475 2250 000 45956 000 7272555 72225 001 001 202 4475 2250 000 46354 000 7272416 72225 001 001 199 4475 2250 000 46753 000 7272282 72225 001 001 196 4475 2250 000 471 52 000 72721 53 72225 001 001 194 4475 2250 000 47551 000 7272030 72225 000 0 00 191 4475 2249 000 47949 000 7271911 72225 000 0 00 1 89 4475 2249 000 48348 000 7271797 72225 000 0 00 1 86 4475 2249 000 48747 000 7271687 72225 000 0 00 1 84 4475 2249 000 49145 000 7271581 72225 000 0 00 1 81 4475 2249 000 49544 000 7271479 72225 000 0 00 179 4475 2249 000 49943 000 7271381 72225 000 000 177 4475 2249 000 50342 000 7271286 72225 000 000 175 4475 2249 000 50740 000 7271194 72225 000 000 1 173 4475 2249 000 51139 000 7271106 72225 000 000 1 71 4475 2249 000 51538 000 7271021 72225 000 000 1 69 4475 2249 000 51937 000 7270939 72225 000 000 1 67 4475 2249 000 52335 000 7270860 72225 000 000 165 4475 2249 000 52734 000 7270783 72225 000 000 163 4475 2249 000 531 33 000 7270709 72226 000 000 161 4475 2249 000 53532 000 7270638 72225 000 000 1 59 4475 2249 000 53930 000 7270568 72225 000 000 158 4475 2249 000 54329 000 7270501 72225 000 000 1 56 4475 2249 000 54728 000 7270436 72225 000 000 1 54 4475 2249 000 551 27 000 7270373 72225 000 000 1 53 4475 2249 000 55525 000 7270312 72225 000 000 1 51 4475 22 49 000 55924 000 7270253 72225 000 000 149 4475 2249 0 00 56323 000 7270196 72225 000 000 148 44 75 22 49 1 000 .Uv . . —py VI pr+J11V L ICVlbcu I LL LV 14 k4) mi 56722 000 7270141 72225 000 000 146 4475 2249 000 57120 000 7270087 72225 000 000 145 4475 2249 000 57519 000 7270035 72225 000 000 143 4475 2249 000 57918 000 7269984 72225 000 000 142 4475 2249 000 58317 000 7269935 72225 000 000 141 4475 2249 000 58715 000 7269887 72226 000 000 1 39 4475 2249 000 591 14 000 7269841 72225 000 000 138 4475 2249 000 59513 000 7269796 72225 000 000 137 4475 2249 000 59912 000 7269752 72225 000 000 1 35 4475 2249 000 60310 000 7269709 72225 000 000 1 34 4475 2249 000 60709 000 7269668 72225 000 000 133 4475 2249 000 611 08 000 7269628 72225 000 000 1 32 4475 2249 000 61507 000 7269589 72225 000 000 131 4475 2249 000 61905 000 7269550 72225 000 000 129 4475 2249 000 62304 000 7269513 72225 000 000 128 4475 2249 000 62703 000 7269477 72225 000 000 127 4475 2249 000 631 02 000 7269442 72225 000 000 126 4475 2249 000 63500 000 7269408 72225 000 000 125 4475 2249 000 63899 000 7269374 72225 000 000 1 24 4475 2249 000 64298 000 7269342 72225 000 000 123 4475 2249 000 64696 000 7269310 72225 000 000 122 4475 2249 000 65095 000 7269279 72225 000 000 1 21 4475 2249 000 65494 000 7269249 72225 000 000 120 4475 2249 000 65893 000 7269220 72225 000 000 1 19 4475 2249 000 662 91 000 72691 91 72225 000 000 1 18 4475 2249 000 66690 000 7269163 72225 000 000 1 17 4475 2249 000 67089 000 72691 36 72225 000 000 1 16 4475 2249 000 67488 000 72691 09 72225 000 000 1 15 4475 2249 000 67886 000 7269083 72225 000 000 1 14 4475 2249 000 68285 000 7269057 72225 000 000 1 13 4475 2249 000 68684 000 7269033 72225 000 000 1 12 4475 2249 000 69083 000 7269008 72225 000 000 1 11 4475 2249 000 69481 000 7268985 72225 000 000 1 11 4475 2249 000 69880 000 7268961 72225 000 000 1 10 4475 2249 000 70279 000 7268939 72225 000 000 1 09 4475 2249 000 70678 000 7268917 72225 000 000 108 4475 2249 000 71076 000 7268895 72225 000 000 1 07 4475 2249 000 71475 000 7268874 72225 000 000 1 06 4475 2249 000 71874 000 7268853 72225 000 000 1 06 4475 2249 000 72273 000 7268833 72225 000 000 1 05 4475 2249 000 72671 000 7268813 72225 000 000 1 04 4475 2249 000 73070 000 7268794 72225 000 000 1 03 4475 2249 000 73469 000 7268775 72225 000 000 1 03 4475 2249 000 73868 000 7268758 72225 000 000 102 4475 2249 000 74266 000 7268738 72225 000 000 101 4475 2249 000 74665 000 7268720 72225 000 000 1 01 4475 2249 000 75064 000 7268703 72225 000 000 100 4475 2249 000 75463 000 7268685 72225 000 000 099 4475 2249 000 75861 000 7268669 72225 000 000 099 4475 2249 000 76260 000 7268652 72225 000 000 098 4475 2249 000 76659 000 7268636 72225 000 000 097 4475 2249 000 77058 000 7268621 72225 000 000 097 4475 2249 000 77456 000 7268605 72225 000 000 096 4475 2249 000 77855 000 7268590 72225 000 000 095 4475 2249 000 78254 000 7268575 72225 000 000 095 4475 2249 000 78653 000 7268561 72225 000 000 094 4475 2249 1 000 79051 000 7268546 72225 000 000 093 4475 2249 000 79450 000 7268532 72225 000 000 093 4475 2249 000 79849 000 7268519 72225 000 000 092 4475 2249 000 80247 000 7268505 72225 000 000 092 4475 2249 000 80646 000 7268492 72225 000 000 091 4475 2249 000 81045 000 7268479 72225 000 000 091 4475 2249 000 81444 000 7268466 72225 000 000 090 4475 1 2249 000 81842 000 7268454 72225 000 000 089 4475 2249 000 82241 000 7268442 72225 000 000 089 4475 2249 000 82640 000 7268429 72225 000 000 088 4475 2249 000 83039 000 7268418 72225 000 000 088 4475 2249 000 83437 000 7268406 72225 000 000 087 4475 2249 000 83836 000 7268395 72225 000 000 087 4475 2249 1 000 04235 000 7268384 72225 000 000 086 4475 2249 000 84634 000 7268373 72225 000 000 086 4475 5249 000 85032 000 7268362 72225 000 000 085 4475 2249 000 85431 000 7268351 72225 000 000 085 4475 2249 000 85830 000 7268341 72225 000 000 084 4475 2249 000 86229 000 7268330 72225 000 000--- 0 84 4475 2249 000 86627 000 7268320 72225 000 000 1 083 4475 2249 000 87026 000 7268311 72225 000 000 083 4475 22 49 000 87425 000 1 7268301 72225 1 000 000 082 4475 2249 000 reye 14 -'opy or rsHam z reviseo I LL ZUIZ 1YJ XIS 87824 000 7268291 72225 000 000 082 4475 2249 000 88222 000 7268282 72225 000 000 081 4475 2249 000 88621 000 7268273 72225 000 000 081 4475 2249 000 89020 000 7268263 72225 000 000 080 4475 2249 000 89419 000 7268255 72225 000 000 080 4475 2249 000 89817 000 7268246 72225 000 000 0 80 4475 2249 000 90216 000 7268237 72225 000 000 079 4475 2249 000 90615 000 7268229 72225 000 000 079 4475 2249 000 91014 000 7268220 72225 000 000 078 4475 2249 000 91412 000 7268212 72225 000 000 078 4475 2249 000 91811 000 7268204 72225 000 000 077 4475 2249 000 92210 000 7268196 72225 000 000 077 4475 2249 000 92609 000 72681 88 72225 000 000 1 077 4475 2249 000 93007 000 72681 80 72225 000 000 076 4475 1 2249 000 93406 000 7268173 72225 000 000 076 4475 22 49 000 93805 000 72681 65 72225 000 000 075 4475 2249 000 94204 000 72681 58 72225 000 000 075 4475 2249 000 94602 000 72681 51 72225 000 000 075 4475 2249 000 95001 000 7268144 72225 000 000 074 4475 2249 000 95400 000 72681 36 72225 000 000 07-4--- 44 75 2249 000 95799 000 72681 30 72225 000 000 074 4475 1 2249 000 96197 000 72681 23 72225 000 000 073 4475 2249 -600 96596 000 72681 16 72225 000 000 073 4475 2249 000 96995 000 72681 09 72225 000 000 072 4475 2249 000 97393 000 72681 03 72225 000 000 072 4475 2249 000 97792 000 7268096 72225 000 000 072 4475 2249 000 981 91 000 7268090 72225 000 000 071 4475 2249 000 98590 000 7268084 72225 000 000 071 4475 1 2249 000 98988 000 7268078 72225 000 000 071 4475 2249 000 99387 000 7268072 72225 000 000 070 4475 2249 000 99786 000 7268066 72225 000 000 070 4475 2249 000 1001 85 000 7268060 72225 000 000 070 4475 2249 000 100583 000 7268054 72225 000 000 069 4475 2249 000 100982 .000 7268048 72225 000 000 1 069 4475 2249 000 101381 000 7268043 72225 000 000 069 4475 2249 000 101780 0 00 7268037 72225 000 000 068 4475 2249 000 1021 78 000 7268032 72225 000 000 068 4475 2249 000 102577 000 7268026 72225 000 000 068 4475 2249 000 102976 000 7268021 72225 000 000 067 4475 2249 000 103375 000 7268016 72225 000 000 067 4475 2249 000 103773 000 7268011 72225 000 000 067 4475 2249 000 1041 72 000 7268005 72225 000 000 066 4475 2249 000 104571 000 7268000 72225 000 000 066 4475 2249 000 104970 000 7267995 72225 000 000 066 4475 2249 000 105368 000 7267991 72225 000 000 066 4475 2249 06-0— 105767 000 72679 86 72225 000 000 065 4475 2249 000 106166 000 7267981 72225 000 000 065 4475 2249 000 1065 65 000 7267976 72225 000 000 065 4475 22 49 000 106963 000 7267972 72225 000 000 064 4475 2249 000 107362 .000 7267967 72225 000 000 064 4475 2249 000 107761 000 7267962 72225 000 000 064 4475 —2249 000 108160 000 7267958 72225 000 000 064 4475 2249 000 108558 000 7267954 72225 000 000 063 4475 2249 000 108957 000 7267949 72225 000 000 063 4475 2249 000 109356 000 7267945 72225 000 000 063 4475 2249 000 109755 000 7267941 72225 000 000 062 4475 1 2249 000 1101 53 000 7267937 72225 000 000 062 4475 2249 000 110552 000 7267932 72225 000 000 062 4475 2249 000 110951 000 7267928 2225 000 000 062 4475 22 49 000 111350 000 7267924 72225 000 000 061 4475 2249 000 111748 000 7267920 722 25 000 000 061 4475 2249 000 112147 000 7267916 72225 000 000 061 1 4475 2249 1 000 112546 000 7267913 72225 000 000 061 4475 2249 000 112944 000 7267909 72225 000 000 060 4475 2249 000 113343 000 7267905 72225 000 000 060 4475 2249 000 113742 000 7267901 72225 000 000 060 4475 2249 000 114141 000 7267898 72225 000 000 060 4475 2249 000 114539 000 7267894 72225 000 000 059 4475 1 2249 000 114938 000 7267890 72225 000 000 059 4475 2249 000 115337 000 7267887 72225 000 000 059 4475 2249 000 115736 000 7267883 72225 000 000 059 4475 2249 000 1161 34 000 7267880 72225 000 000 058 4475 2249 000 1165 33 000 7267876 72225 000 000 058 4475 22 49 000 116932 0 00 7267873 72225 000 000 058 4475 2249 000 117331 000 7267870 72225 000 000 058 4475 2249 000 1177 29 000 7267866 72225 000 000 058 4475 2249 000 1181 28 000 7267863 2225 000 000 057 4475 2249 000 118527 000 7267860 72225 000 000 057 4475 2249 000 �a� ; v NUJJY UI DMO[IV L IUVIJCU / GL LU I L kZ) XIS 118926 000 7267857 72225 000 000 057 4475 2249 000 119324 000 7267853 72225 000 000 057 4475 2249 000 119723 000 7267850 72225 000 000 056 4475 2249 000 120122 000 7267847 72225 000 000 056 4475 2249 000 120521 000 7267844 72225 000 000 056 4475 2249 000 120919 000 7267841 72225 000 0 00 056 4475 22 49 000 121318 000 7267838 72225 000 0 00 056 4475 2249 000 121717 000 7267835 72225 000 000 055 4475 2249 000 1221 16 000 7267832 72225 000 000 055 4475 2249 000 122514 000 7267830 72225 000 000 055 4475 2249 000 122913 000 7267827 72225 000 000 055 4475 2249 000 123312 000 7267824 72225 000 000 055 4475 2249 000 123711 000 7267821 72225 000 000 054 4475 2249 000 1241 09 000 7267818 72225 000 000 054 4475 2249 000 124508 000 7267816 72225 000 000 054 4475 2249 000 124907 000 7267813 72225 000 1 000 1 054 4475 2249 000 125306 000 7267810 72225 000 1 000 1 054 4475 2249 000 Page 14 Copy of BASIN 2 revised 7 22 2012 (2) As m CL N O M O N M N 3 _Tf, 0 W V) a Q 3 0 m I a I Q m m E a 0 I N �ql��riaa�wu�L. Q „ . 0 �� It�A�\\\`\��. ' $ SAND FILTER FOR DRAINAGE BASIN 4 rr� r nzinccnnLr,455ociat(f5,, 1 �1� r iee"I Land flannin�5:r - Consul f. 0 5ox968 Asheboro, NC 2720 -f rhone: 336-- 328 --0902 Fax: 336 - 328 --0922 Email- mac%@ashe.boro.com 9 10 11 12 13 14 15 16 17 SAND FILTER FOR DRAINAGE BASIN 5 SAND FILTER DETA[LS FOR BASIN 5 WET DETENTION POND FOR DRAINAGP WET DETENTJON POND DETAILS.; FORBA8INS 8-12 LANDSCAPE AMAINTENANCE PLAN •R r j i WET DETENTION POND FORDRAINAGE BASIN 13 WET DETENTION POND DETAILS FOR BAS.IN 13 LANDSCAPE AND MAINTENANCE PLAN FOR'BAS.IN 13 SHEET INDEX SHEET NO. DESCRIPTION e1; 1 DRAINAGE BASIN INDEX MAP 2 WET DETENTION POND FOR DRAINAGE BASIN 1 3 WET DETENTION POND DETAILS. FOR BASIN 1 4 LANDSCAPE AND MAINTENANCE PLAN FOR BASIN 1 5 WET DETENTION POND FOR DRAINAGE BASIN 2 6 WET DETENTION POND DETAILS FOR BASIN 2 7 LANDSCAPE AND MAINTENANCE PLAN FOR BASIN 2 ' $ SAND FILTER FOR DRAINAGE BASIN 4 rr� r nzinccnnLr,455ociat(f5,, 1 �1� r iee"I Land flannin�5:r - Consul f. 0 5ox968 Asheboro, NC 2720 -f rhone: 336-- 328 --0902 Fax: 336 - 328 --0922 Email- mac%@ashe.boro.com 9 10 11 12 13 14 15 16 17 SAND FILTER FOR DRAINAGE BASIN 5 SAND FILTER DETA[LS FOR BASIN 5 WET DETENTION POND FOR DRAINAGP WET DETENTJON POND DETAILS.; FORBA8INS 8-12 LANDSCAPE AMAINTENANCE PLAN •R r j i WET DETENTION POND FORDRAINAGE BASIN 13 WET DETENTION POND DETAILS FOR BAS.IN 13 LANDSCAPE AND MAINTENANCE PLAN FOR'BAS.IN 13 ROBBINS COUNTRy RD o<o �o< q R� Q SITE WL.gGE R VICINITY MAP NOT TO SCALE a 0 in M Q N M N rn BASIN . 1 TOTAL AREA: 15.88 AC. LOT AREA: 12.82 ABC. LO R/W AREA: 1.67 AC. BUA: 4.68 AC. = 29,44% / 1. BUA NOTE: BUILT UPON AREA (BUA) IS NOT TO EXCEED 4500 SF FER / LOT. OWNERS ARE RESTRICTED TO NOT EXCEED THIS EI FA AS ° RECORDED ON EACH INDIVIDUAL DEED. THIS INCLUDES ,ALL 0 IMPERVIOUS AREA SUCH AS CONCRETE, ASPHALT OR GRAVEL DRIVEWAYS, WALKWAYS, ANY OUT BUILDINGS AND HOUSE AREA. W BUA SHOWN ON THIS PLAN IS REPRESENTATIVE ONLY 30USE m m FLOOR PLAN MAY VARY BUT TOTAL LOT MAY NOT BE = XCEEDED. i 2. \ ♦ + 3 +-� `- WE ASSOCIATED BERMS TO BE MAINTAINED BY DEVELOPER UNTIL SUC -' TIME THAT DIAMONDS KEEP SUBDIVISION HOMEOWNERS ASSOCIATION (HCA) TAKES OVER MAINTENANCE AS ESTABLISHED IN THE HOA DOCUMEIRTS. • ALL WET PONDS, SAND FILTERS & BERMS ASSOCIATED WITH EACH :3MP TO LINE MUN RONFORDED BE CERTIFIED BY DESIGN ENGINEER ONCE COMPLETED. 4.. �°H PHASE DRAINAGE EASEMENTS WILL BE RECORDED ON FINAL PLATS FOR EACH / ' Xp � 4 , oRWICEe i3sD� M'6T Pow if INV 738.1. \ ` • , i NORMAL j W. - 73B a D• HOA. EACH BMP WILL HAVE ACCESS, DRAINAGE AND MAINTENANCE, EASEMENTS IF NOT LOCATED IN COMMON AREAS TO ENSURE ACCESS TO MaMEW � `""" DAYUOFiT o a - a 0 in M Q N M N rn .B LO STORMWATER NOTES: 1. BUA NOTE: BUILT UPON AREA (BUA) IS NOT TO EXCEED 4500 SF FER LOT. OWNERS ARE RESTRICTED TO NOT EXCEED THIS EI FA AS ° RECORDED ON EACH INDIVIDUAL DEED. THIS INCLUDES ,ALL 0 IMPERVIOUS AREA SUCH AS CONCRETE, ASPHALT OR GRAVEL DRIVEWAYS, WALKWAYS, ANY OUT BUILDINGS AND HOUSE AREA. W BUA SHOWN ON THIS PLAN IS REPRESENTATIVE ONLY 30USE m m FLOOR PLAN MAY VARY BUT TOTAL LOT MAY NOT BE = XCEEDED. i 2. ALL STORMWATER DEVICES, INCLUDING WET PONDS, SANDFILTERS, D 3 ASSOCIATED BERMS TO BE MAINTAINED BY DEVELOPER UNTIL SUC -' TIME THAT DIAMONDS KEEP SUBDIVISION HOMEOWNERS ASSOCIATION (HCA) TAKES OVER MAINTENANCE AS ESTABLISHED IN THE HOA DOCUMEIRTS. 3. ALL WET PONDS, SAND FILTERS & BERMS ASSOCIATED WITH EACH :3MP TO I a BE CERTIFIED BY DESIGN ENGINEER ONCE COMPLETED. 4.. �°H PHASE DRAINAGE EASEMENTS WILL BE RECORDED ON FINAL PLATS FOR EACH TO ENSURE DRAINAGE THROUGHOUT DEVELOPMENT CAN BE MAINTAANED BY HOA. EACH BMP WILL HAVE ACCESS, DRAINAGE AND MAINTENANCE, EASEMENTS IF NOT LOCATED IN COMMON AREAS TO ENSURE ACCESS TO EACH BMP FOR MAINTENANCE. o a - n I J Pf d 7' J h �U (0'� N,. 2 BASIN TOTAL AREA: 6.15 AC. 1 [ ► [%.1. LOT AREA: 3.72 AC. ' ♦ ♦ ♦�ingots l R/W AREA: 0.40 AC. , 1 BUA: 1 °39 AC. = 22.60% ` [ - - c . [ [ - BASIN 11 (TREATED 38.39 ACRES ANDO! `SOU [ TOTAL AREA: 4.77 AC. { IN BMP TY OF ARCHDAL w BASIN 9 .,.,� [ [ To AREA: 3.1Q6 'AC. LOT AREA; _.1.94 AC. , / • ' E' TOTAL AREA• 3.26 AC. R/W ARM ::0.51 AC. LOT AREA: 1.66 AC. LOT AREA: 1.55 AC. [ ! BUA: 1.03 AC. = 21.49% R AREA: 0.42 AC. R/ W AREA. 0.61 AC. TREATED IN BMP [ BUA: 0.92 AC. = 28.16% BUA., 1.09 AC. = --� 34.56% C IN BASIN 12 - (TREATED IN BMP' ((TREATED IN BMP ) [ IN BASIN 12) . • ° • � � IN BASIN 12) 1 Uv " • ' 4 I N E f _ _ RAND PH COUNTY CITY GREEN�'�AY AND OPENS A AREA ARCHDALE .� 7 177 / - ( n 178 ' I • °. `-•. p @J 179 80 ' 0 4 ro u E 182 1 0, o1z, 83 • /j / /�, j /+ Q Q E. J 184 ;� 192 193 /� %j _/ G� I lL� 191 \ 194 f \ /•% % j - 7 = O v /• /j a ;� o �-. 26 125 L 186 l 190 _ J �/ 1 ` - \195 lu 89 \� L� lu J 124 123 -7 ` 187 1 188 C J OS$_ ND - _ 196 I 0 C 122 ��- L� �' • GREEN Y (A OfN SPA E AREA Z / 121 --_- - - -- - v 1 134 \� L / / 119 �- - 102 1 /� �., v 198 135 J 8� --- �' 1001 ® vQ l \/ /�" J (� l / 1 r ("��' t , \ 101 , I g9� \ �_ O ®/ 133 _ _ 136 -/ +� / 117 116 �`� L- 199 ;/� ' / 1 , �1 t 103 .. . -j \ \� 149 /�- + , - // r`� / D 1510 1 ® 97 ` 200 ♦ t J / 132 137 148 �/'' 113 t �, 104 \ C ,�� Q \ v \\ ,70 �►,/ �\ ` / BASIN 13 + r 138 \ 151 169 �' 'J 96 �`, / �Q TOTAL AREA: 10.99 AC. � 13, 112 171 � �--•� _ > � \ � 201 / � LOT AREA: 8.80 AC. 147 --7 � 105 L / - �, i� / • /, R/W AREA: 1.70 AC. �•-- -- � 152 111 I i 3s -, ( / \ %-- 1 \ ; BUA. 4.18 AC. = 38.07 % / ,.. L 168 �,� J L_ J 95 t % k ?� / / /. O o ' ; 153 �� ! 127 j 129 /O, t40 �"`- G r 110 167 ` 173 I NO �� \ 145 �� 1 I \� i- 94 �' rk L , , r' `1 -1 _ / ss BASIN 7 -Ij --- _ _r I 154 [/� 109 1 10 107 �-- ; ;tip �r ` 87 ` TOTAL AREA: 4.68 AC. °z 128 (\ 141 r--- - L - -� 166 I� 174 I 202 O ��P \ __ o f L '� �__ ► 1`` 144 ~'� - �- ' + 'O J 93 J Q� o / , _ LOT AREA. 2.75 AC. o �-I 1 55 (`� ____� �' L- -I (` • Pe �O / R/W AREA: 0.68 AC. r I 1 _-1 ; I ' �- -7 � 203 I / � s8 � � � BUA: 1.22 AC. = 26.11% W 157 (' _ 158 159 I Iti L_ -I I /� Cs, 85 TRADE -OW - BASIN 12 143 L 160 161 �I [ '�L � 92 � � � l ( 6 162 1 53 164 165 1 ) 2 - - 15 J _ J -j w� 89 + 3 /�- L _ _. _ _ ] L J f i ' 204 '� co 5 '�.,.,, __ - -- - � � J + � 176 � ++ (- � ,.•:� --` --� �. J l / '1' AC --__ _ - -_ -� 205 oil Fit f ) g �13 �,4 15� �2� 28 JJ L -J L I� J L J L ' [ + ; 26-� r--g --� ' L 71 - ',` +' 72 , ' �82 z of RANDOLPH COUNTY L, _.-.J L_ _I I; +' I`- . j-- , Q 16 ; , �[ I 45 48 I F 73 -1r�' ( (--- -- -1+`1' ± �25� (-3o1f I I 1 __J _} i L70 j I j Jam' +; 81 BASIN 6 7 I L- ---J L_ -J , ' ; -1 f --� ; - - JJ I �-- --j N,-TOTAL, AREA: 7.41 AC. L I �4 49 ( F 69 N w N D / 74 � �C I- s0 - LOT AREA: 4.95 AC. X 24 31 I I-- --� L _ r EN' P E �-- -- J W, ' ; R/W AREA: 0.98 AC. L- -I ' + (� --I I (-- , _ --� BUA: 2.03 AC• = 27.35% ^ BASIN C (� q 43 50 '' 6 %/j [ / 75 ~� 79 tTRADE -OFF - . BASIN 12) 4. Q. -1 r -1 [ ! i_ _ -J L_ - _I Z �- TOTAL AREA: 20.00 AC. n 1 23 32 _ _�_ _ I I/ I L `,, w LOT AREA: 16.`'C 3 AC. � � � � �--- .J ' j I" �( \-- "� (� �- R/W AREA. 3.01 AC. �\ /` BUA: 7.73 AC. _ 38.63% 33 i --� L___ J ( I , L_ I 76 / 52 ; r 66 1 ® \ / \ SITE DA uA: Z \ C,, ' 34 i ' ___ �� (� ' I (-- --- " 77 TAX PARCELS: 7726 -49 -4252, 7726 -49 -4730, � 7726-49-0779. 7726 -39 -3960, 7726 -39 -1551 \ L- -- J ' Ci Y OAF ARC L - _ 35 �` 40 5 i; s LPH COUNTY DEED REFERENCES: DB -1485 PG _962, DB -1618 PG _1116, W / �a + • , DB -1874 PG -1564, DB -1500 PG 659, DB -1485 PG 957 O �-� --� ; UTILITIES.; PUBLIC WATER AND SEWER Z S4 a I I 64\ ;% . \ .' BASIN 5 / / . • \° ^ _ 39 `�; ; TOTAL AREA: 6.56 AC. LENGTH OF ROAD: 10,073.81 LINEAR FT. ..... �4roF PoN N t 36 C / L -IA, 0 -- p� LOT AREA: 5.10 ACo • ` w ww�O eORa61 G' f -- V, ; I- 63 -I NO. OF LOTS: 205 LOTS M 55 1 R/W AREA: 0.76 AC. V I L_ = AREA LGiS: 12,000- 15,000 SQUARE FT. L1., 1 q Y 37 L BUA. 2.30 . AC. 34.98 38 r ` "- 62 AREA TO BE DEDICATED AS NEW R /W: 522,753.32 SQUARE FT. i 6 ` �� } i� \ \\ pFN \ I 56 •• a w *� t .M4 f �, ! . \ \ , t /I \ \ \ ARE `+ 1 ` 61 • • • BUILT U'IFON AREA NOTE: 'Q �57� / `�' %f - �; - \ ✓ }E * \ C /� \ ` J BUILT UPON AREA (BUA) IS NOT TO EXCEED 4500 SF PER z NORMAL � - rto ao• � � \ �`I \ / \ � \ G, LOT OWNERS ARE RESTRICTED TO NOT EXCEED THIS BUA AS RECORDED ON EACH INDIVIDUAL DEED. THIS INCLUDES ALL 60 BASIN IMPERVauUS AREA SUCH AS CONCRETE, ASPHALT OR GRAVEL � 48' 1 \ +. +r ~ \ \ \\'� Ajy C� \ 58 � ° AREA. 9UA SHOWN ON THIS PLAN S RIEPRESENTATIVE ONLY. F TOTAL AREA• 2.41 AC. "°' ;, \ \ 0 F I 59 LOT AREA: 2.05 AC. HOUSE ,FLOOR PLAN MAY VARY BUT BUA FOR TOTAL LOT ' MAY NOT BE EXCEEDED. R/W AREA: 0.23 AC. l ( _ BUA. 0.89 AC. 37. ®5% 0 . `W• a BASIN 3 OWNER /DEVELOPER: TOTAL EA: 4.31 AC. - LOT AREA. °2.91 AC. DIAMOND W BUILDERS, LLC 0' SPILLWAY } i � � '* � � EXtEND 4• R AREA- •31 AC• CONTACT: GARY WHITE uNS ELEYA Y N: NMi P3oo ! \ ", - - - c>� I^ PONNDD, � MkrFOMr BUA: 1.00 AC. = 23.29% c3 Z 9814 U.S. HIGHWAY 311 c �, RE1 dE art t �` �`' � \; <- ._., ._._ ° / .-' -. \ e, i +`cAAa o o \ f! ARCHDALE, N.C. 27263 1 (336) 434 -4440 Sheet No. BA h-- i \ DIAMONDS KEEP TRINITY TOWNSHIP, ARCHDALE, RANDOLPH 0 COUNTY DP -R'A`P cuss B 1a° l / \ \ 17 of 0- N N 0 N M N r rn 3 L0 i 0 Z 0 CL W ,a - m i a rn 3 i m I a m 0 0 ' O I N d oil Z - INVER-T FES -_ r -RAP\ < -- WELD (STING ORIFfC - "_'-- -- _ _ - -. _ ----- - - --- HOLELOSED ABD DRlL.L /CUB' A NEW 2.5 HOLE AT ELEVATION 738.00 10'__5�tERGENEY- SPfLLWAr ELEVATION: 741.00 \ - � LINE SPILLWAY WITH NAG P300 ! f' REINFORCED VEGETATION -OR'" -APPROVED EQUAL \ \ \ TOP RISER 739.60' EX. ORIFICE: 738.5j3 / \ WET POND # 9 EX. INV 735.1' 1 s \ NORMAL POOL ELEV. - 738.00 ' -- ------- _.._.__- lo XTEND EXISTING 24" CMP \ \ \ AW ADDITIONAL- 32-70 - - DAYLIGHT \ \ I SEQUENCE OF CONSTRUCTION: 1. SUBMIT PLAN, CALCULATIONS, FEES AND FORMS. 2. OBTAIN PERMIT. 3. CONTACT NCDENR TO SET UP A PRE - CONSTRUCTION MEETING, GIVING AT LEAST 3 WORKING DAYS NOTICE. NS 4. INSTALL CONSTRUCTION ENTRANCES AND CLEAR AND GRUB ONLY ENOUGH AREA TO INSTALL ALL KEY EROSION CONTROL DEVICES SUCH AS: SEDIMENT TRAPS, ROCK CHECK DAMS, EARTH BERMS, SILT FENCE, ETC. 5. CLEAR, GRUB AND REMOVE ALL OBJECTIONABLE MATERIAL. SUITABLE TOPSOIL SHOULD BE STOCKPILED FOR LATER USE. 6. INSTALL ADDITIONAL EROSION CONTROL MEASURES AS APPLICABLE; MATTING, INLET PROTECTION, SLOPE DRAINS, ETC. 7. EFFORTS SHOULD BE MADE TO MINIMIZE EXPOSURE TIME OF LAND DISTURBANCES. 8. MAINTAIN ALL TEMPORARY AND PERMANENT EROSION CONTROL DEVICES. 9. GROUND COVER SHALL BE PROVIDED WITHIN 15 DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING. PERMANENT GROUND COVER SHALL BE PROVIDED FOR ALL DISTURBED AREAS WITHIN 21 CALENDAR DAYS FOLLOWING COMPLETION OF CONSTRUCTION OF DEVELOPMENT. 10. REMOVE AND STABILIZE TEMPORARY EROSION CONTROL MEASURES WHEN VEGETATION IS ESTABLISHED. TRASH RACK TOP OF RISER 739.60- 2.50" ORIFICE 738.00- SEDIMENT STORAGE 735.00 BOTTOM OF POND 733.00 INV. 735.1C:! 738.00 WET DETENTION POND FOR DRAINAGE: BASIN 1 SCALE: 1"=20' a4b }. ill - t �•i"vt'f"i"�Illllf a e f * It lilt i t r PLA y+ j �. rw I J {. f� �' i6 k{ 7 L�4sSy J f V �'`iv tai fF . fi` ' FY y$ 3 f. FILL MATERIAL FOR THE EMBANKMENT;. SHALL BE .FREE OF ROOTS OR OTHER tl�� F WOOD WOOD/ VEGETATION VEGETATION AS WELL AS OVER -SIZED STONES, ROCKS, ORGANIC 4fr MATERIAL OR OTHER OB�EFCTIONABLE MATERIAL. THE EMBANKMENT SHALL BE the pool area, the blasted area shall be over- excavated COMPACTED IN NOT GREATER THAN 9 ": LIFTS BY TRAVERSING WITH 5 EQUIPMENT. and brought back to finish grade with clean relatively 3. SEDIMENT SHALL BE REENOVED AND TRAP, RESTORED TO IT ORIGINAL impervious soil material compacted in place. 742A 3233 {?0 DEPTH OF THE TRAP. THIS DEPTH SHALL BE . MARKED IN THE FIELD. 4. 2. Earth Fill Dams 7n:00 3955 00 3594.0 3 4.0 734 4740 Q0 434745_ 7941.5 735 587 Q0 5163 5 1.3105.0 730100 5491 Q0 01039:,0 19144.0 737.00 7452.00 6071:.5 26115..5 738.00 11 °057.00 925915 35375.0 739.00 12274 Ofl 1167Q . 47045.5 740.00 13'539.00 129U6` 5` 59952.0 741.00 14:$60 Q0 14199;5 74151.E 742.00 1 S238.00 1:554.912l 69700.5 10' TOP OF DAM 743.00 1 (- EMERGENCY SPILLlNAY 741.00 E 60" ANTI SEEP G;OLLARS 1. 75 LF, 24" C. A. A. ? @ 0.50% CUT OFF TRE`';ICH 4' MIN. POND PROFILE NOT TO SCALE Dam and Embankment Construction: GENERAL. NOTES�MAINTENANCE REQUIREMENTS' 1. General - The pond and dam area shall be cleared, grubbed and stripped of all vegetative material and 1. AREA UNDER EMBANKME�IiT TO BE CLEANED, GRUBBED AND STRIPPED OF ANY topsoil prior to dam construction. The disposal of VEGETAION AND ROOT MA.T. trees, stumps, construction debris, vegetative material, 2. FILL MATERIAL FOR THE EMBANKMENT;. SHALL BE .FREE OF ROOTS OR OTHER etc. shall not be permitted in the dam or pool area of WOOD WOOD/ VEGETATION VEGETATION AS WELL AS OVER -SIZED STONES, ROCKS, ORGANIC pond. When blasting is used to remove rock from MATERIAL OR OTHER OB�EFCTIONABLE MATERIAL. THE EMBANKMENT SHALL BE the pool area, the blasted area shall be over- excavated COMPACTED IN NOT GREATER THAN 9 ": LIFTS BY TRAVERSING WITH to a depth of at least two feet (2') below finish grade EQUIPMENT. and brought back to finish grade with clean relatively 3. SEDIMENT SHALL BE REENOVED AND TRAP, RESTORED TO IT ORIGINAL impervious soil material compacted in place. DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO '1/2 THE DESIGN DEPTH OF THE TRAP. THIS DEPTH SHALL BE . MARKED IN THE FIELD. 4. 2. Earth Fill Dams REMOVED SEDIMENT SHALL BE PLACED IN A DESIGNATED DISPOSAL AREA AND Q Z PROTECTED AGAINST EROSION. 5. a) Soil materials used for earth fill which are highly THE WEIR MUST BE CONSTRUCTED LEVEL AND TO GRADE TO ASSURE. DESIGN 6. permeable or which exhibit significant shrinkage STONES SHALL BE MACHINE PLACED AND SHOULD BE HARD, ANGULAR AND WEATHER RESISTANT. swell, or dispersion shall not be used in the 7. EMERGENCY SPILLWAY SHALL BE DIRECTED TO NATURAL, STABLE AREAS embankment unless specific detailed design 8. ALL CUT AND FILL SLOPES SHALL BE 2:1 OR FLATTER. computations (foundation analysis, slope stability, 9. ALL DISTURBED AREAS SHALL BE STABILIZED IMMEDIATELY UPON flow net analysis, etc.) are submitted as part of COMPLETION OF CONSTRU 1ION'OF THE BASIN. the plan approval. 10. TRAP SHALL BE INSPECTED REGULARLY AND AFTER EACH RAINFALL WITH REPAIRS MADE AS NECESSARY. b) A cutoff trench (core trench) shall be provided with a minimum width of four feet (4'). The centerline of the cutoff trench shall not be located downstream of the inside top of slope of SPILLWAY PIPE SPECIFICATIONS the dam. The cutoff trench shall be carefully ® back- filled with highly impermeable material and compacted to at least ninety -five percent (957o) A. CORRUGATED ALUMINUM ALLOY PIPE (C. A. A. P. of standard proctor density. 1. THE PIPE SHALL MEET THE APPLICABLE REQUIREMENTS c) The minimum top width of the dam shall be ten OF CURRENT A A.S.H.T.O. SPECIFICATIONS M -196,' feet (10') and slopes shall not be steeper than LATEST EDITION. 3:1 (three horizontal to one vertical) on the dam or embankments around the pond. 2. THE PIPE SHALL BE FABRICATED' WITH TWO ANNULAR CORRUGATED REROLLED ENDS OR BE FURNISHED WITH d) All disturbed ground areas and embankments FLANGED ENDS TO BE CONNECTED USING STAINLESS surrounding the pond shall be mechanically STEEL HARDWARE AND CLOSED CELL NEOPRENE GASKETS. stabilized or have permanent ground cover WHERE REROLLED ENDS ARE USED, A HUGGER TYPE BAND established in accordance with Guilford County WITH "0" RING GASKETS WILL BE REQUIRED. guidelines prior to final approval. '^�+ 3. THE PIPE SHALL BE FORMED FROM SHEET CONFORMING' TO I STATE TO THE BEST OF MY KNOWLEDGE BASED UPON INSPECTIONS THE REQUIREMENTS OF A.A.S.H.T.O. SPECIFICATION MIr PERFORMED BY MYSELF OR PERSONNEL UNDER MY DIRECTION THAT THE PERMANENT RUNOFF CONTROL STRUCTURE, , THE CORE ALLO, SHALL BE 3004 -H34, CLAD ON BOTH BEST MANAGEMENT PRACTICE (S) FOR SIDES WITH ALLOY 7072. (NAME OF PLAT) WILL CONTROL AND TREAT THE RUNOFF FROM THE PROJECT SITE Uj BETWEEN THE PRE- AND POST DEVELOPMENT FOR, AT A MINIMUM, THE 1 YEAR, 24 -HOUR STORM, IS DULY RECORDED IN THE OFFICE OF THE RANDOLPH COUNTY REGISTER OF DEEDS, AND HAS BEEN COMPLETED IN CONFORMANCE WITH THE APPROVED PLANS AND SPECIFICATIONS DATE (APPROVED DATE) SIGNATURE: (SEAL) DATE: PROPOSED 48" DIA. 10 GAUGE 3" x 1" CORRUGATED ALUMINUM TRASH RACK, SEE THIS SHEET FOR DETAILS 41 TOP OF DAM 743.00 10' WIDE EMERGENCY SPILLWAY N TS INV. 735.00 6" N TOP OF RISER. 739.60 F MPORARY WATER QUALITY- ZONE TE " 0 1/2 U -BOLT ELEV. 737.50 NOTCH TRASH RACK 2.50" WATER QUALITY AROUND BARREL RELEASE ORIFICE 6" DRAIN ELEV. 738.00 PERMANENT POOL SHEAR GATE 3' DEEP 24" C.A.A.P. BARREL /30" C.A.A.P. LIFT ROD •-•a- CAD 0.50% RISER &FRAME ELEV.. 735.00 POURED I INVERT � ZSEDIMENT INV. 698.50 STORAGE FILL W/ 3000 N PSI CONCRETE ELEV. 733.00 150 PCF o a 3000 PSI CONCRETE I 150 PCF -� N CONCRETE RISER 4' -0" SQUARE FOOTING TO BE ON UNDISTURBED SOIL RISER PIPE DETAIL NOT TO SCALE 24" x 1/4" THICK ALUMINUM ANTI - VORTEX PLATES EACH WAY WELD INTERSECTIONS 5/8" DIA. ALUMINUM RODS 0 12" O.C. EACH WAY, TYPICAL WELD ALL INTERSECTIONS PROPOSED 4E 3" x 1" CORP TRASH RACK PROPOSED 30" DIA. C.A.A.P. RISER ELEVATION 24" x 1/4" THICK ALUMIMUM AN11- VORTEX PLATES WELD INTERSECTIONS 30" C.A.A.P. RISER 5/8" DIA. ALUMINUM RODS 0 12" O.C. EACH WAY, TYPICAL WELD ALL INTERSECTIONS PLAN TRASH RACK DETAILS NOT TO SCALE z� J C) Q CO LU _ Q Z C4 0 C4 o F-- ® Q W CL O Ca o. _ �' Z 0 0 '^�+ Uj F-► Uj Z cro 41 Z � i v . 0 Sheet No. of 17 M CL N L0 LR M N O N M N n 3 0 Z 0 a. W . N M m i 3 M i N a i n. m a� Y N E" a 0 N I w WET DETENTION POND FOR DRAINAGE LANDSCAPING AND MAINTENANCE SCALE: 1"=20' Z +J Cr oc m� w L3, Qv W Z 4� Z ozcn o. 0 zZ 21. Z z � Q Z z D � Z -.r N Uj QN Sheet No of (7 WET DETENTION POND- I LANDSAPING SCHEDULE Soil Specifications SIZE Soils used within planting area must adhere to the following requirements: COMMON NAN_ BOTANICAL NAME QUANTITY CLASSIFICA TION - The soil mix must be uniform and free of stones, stumps, roots, or other similar material greater than 2 inches. '•`•`•` AGROSTIS PERENNANS "H" 10q, OF SEED MIXTURE - A minimum organic content of 10% by dry weight for areas planted with woody -'• • • • • • BENT GRASS species and 5% for turf areas. • • ' SWAMP SUNFOLWER HEUANTHUS ANGUST /FOL /US "'H » >09 0F SEED M IXTURE The pH should be between 5.5 and 7.0. if the pH falls outside of this range, it may be modified with lime to increase the pH or iron sulfate and sulfur to lower . • • - • ' ' • , , , BUT TERFL Y WEED ASCLEPIAS TUBEROSA 109' OF SEED MIXTURE the pH. The lime or iron sulfate must be mixed uniformly into the soil prior to TRIDENS FLA VUS "H" 33X OF SEED MIXTURE use. `.' • ` -' •' • PURPLE TOP BIG BLUE STEM ANDROPOGON GERARDII "H" 20Y' OF SEED MIXTURE AGROSTIS ALBA 177 OF SEED MIXTURE RED TOP 22 PLANTS SPACED 24" FROM (AND AL TERNA TED BETWEEN) THREE SQUARE BULRUSH AND * DUCK POTATO SAGI TTARIA LA TIFOLIA „H» SOFT STEM BULRUSH. PLANT IN THE FIRST 6" OF WATER LEVEL. PO TA TO AND 22 PLAN SPACED 24" FROM (AND AL TERNA TED BETWEEN) DUCK THREE SQUARE BULrYSH SCIRPUS AMERICANUS H SOFT STEM BULRUSH. PLANT IN THE FIRST 6" OF WATER LEVEL. ' TS SPACED 24" FROM (AND AL TERNA TED BETWEEN) THREE SQUARE BULRUSH AND STEM BULRUSH` SCIRPUS VALIDUS "H" 22 PLAN DUCK' POTATO. PLANT IN THE FIRST 6" OF WA TER LEVEL. SOFT USE SEEDING RATES ,QTR LANDSCAPING STANDARDS FOR AREAS TO BE SEEDED. Z +J Cr oc m� w L3, Qv W Z 4� Z ozcn o. 0 zZ 21. Z z � Q Z z D � Z -.r N Uj QN Sheet No of (7 m a d \ 2. N m a d u 2. N N M N N p Z O LO N m _ V \ Q \ j } \ m �. N a a m ID y v 1 2 l a a u d u 2. SEQUENCE OF CONSTRUCTION.- 1. SUBMIT PLAN, CALCULATIONS, FEES AND FORMS. 2. OBTAIN PERMIT. 3. CONTACT NCDENR TO SET UP A PRE - CONSTRUCTION MEETING, GIVING AT LEAST 3 WORKING DAYS NOTICE. 4. INSTALL CONSTRUCTION ENTRANCES AND CLEAR AND GRUB ONLY ENOUGH AREA TO INSTALL ALL KEY EROSION CONT ROL DEVICES SUCH AS: SEDIMENT TRAPS, ROCK CHECK DAMS, EARTH BERMS, SILT FENCE, ETC. 5. CLEAR, GRUB AND REMOVE ALL OBJECTIONABLE MATERIAL. SUITABLE TOPSOIL SHOULD BE STOCKPILED FOR LATER USE. 6. INSTALL ADDITIONAL EROSION CONTROL MEASURES AS APPLICABLE; MATTING, INLET PROTECTION, SLOPE DRAINS, ETC. 7. EFFORTS SHOULD BE MADE TO MINIMIZE EXPOSURE TIME OF LAND DISTURBANCES. 8. MAINTAIN ALL TEMPORARY AND PERMANENT EROSION CONTROL DEVICES. 9. GROUND COVER SHALL BE PROVIDED WITHIN 15 DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING. PERMANENT GROUND COVER SHALL BE PROVIDED FOR ALL DISTURBED AREAS WITHIN 21 CALENDAR DAYS FOLLOWING COMPLETION OF CONSTRUCTION OF DEVELOPMENT. 10. REMOVE AND STABILIZE TEMPORARY EROSION CONTROL MEASURES WHEN VEGETATION IS ESTABLISHED. TRASH RACK TOP OF RISER 722.25- �7 3.00" ORIFICE 720.50 - �' SEDIMENT STORAGE 717.50- BOTTOM OF POND 716.00 i w .t, A INV. 716.40 WET DETENTION HUNU I UK UNAINAUt HZ�IIV Z SCALE: 1 " =20' 720.50 r tr :• � Z Z �, '� 7�+'> dl s6 d d.� .<' `� art +JT�" c, Y o2 ? .;_;:. . < s 3x 5 � 1aJ 1 7�` r no 10' MIN[- TOP OF DA, �,r 725.00 1 �- EMERGENCY SP[_LWAY 723.25_ 3 1 f , 60" ANTI SEEP COLLARS 80 LF, 24" C.A.A.P Q 0.50% CUT OFF TP.ENCH 4' MIN, POND P1 OFILE NOT TO SCrALE Dam and Embankment Construction: GENERAL NOTES�MAINTENANCE .REQUIREMENTS 1. General - The pond and dam area shall be cleared, grubbed and stripped of all vegetative material and 1. AREA UNDER EMBANKMENT, TO BE CLEANED, GRUBBED AND .STRIPPED OF- ANY topsoil prior to dam construction. The disposal of VEGETAION AND ROOT MAT:. trees, stumps, construction debris, vegetative material, 2• FILL MATERIAL FOR THE EMBANKMENT SHALL BE FREE OF ROOTS OR OTHER WOOD VEGETATION AS WEL AS OVER -SIZED STONES,'. ROCKS, ORGANIC etc.' shall not be permitted in the dam or pool area of MATERIAL OR OTHER OBJECTIONABLE MATERIAL... THE EMBANKMENT SHALL BE the `pond. When blasting is used to remove rock from the pool area, the blasted area shall be over - excavated COMPACTED IN NOT GREATER THAN 9 „ LIFTS BY TRAVERSING WITH to a depth of at least two feet (2') below finish grade EQUIPMENT. - and brought back to finish grade with clean relatively 3. 'SEDIMENT SHALL BE REMOVED* AND TRAP RESTORED TO,IT ORIGINAL impervious soil material compacted acted in lace: DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO 1/2 THE DESIGN P P P DEPTH OF THE TRAP. THIS DEPTH SHALL. BE MARKED IN THE FIELD. 4. REMOVED SEDIMENT SHALL BE PLACED IN A DESIGNATED 'DISPOSAL. AREA AND 2. Earth Fill Dams PROTECTED AGAINST EROSION. 5. THE WEIR MUST BE CONSTRUCTED LEVEL AND TO GRADE TO ASSURE DESIGN a) Soil materials used for earth fill which are highly 6. STONES SHALL BE MACHINE PLACED AND SHOULD BE HARD, ANGULAR AND permeable or which exhibit significant shrinkage WEATHER RESISTANT. swell, or dispersion shall not be used in the 7. EMERGENCY SPILLWAY SHALL BE DIRECTED TO 'NATURAL, STABLE AREAS : embankment unless specific detailed design 8. ALL CUT AND FILL SLOPES SHALL BE 2:1 OR FLATTER. computations (foundation analysis, slope stability, 9. ALL DISTURBED AREAS SHALL BE STABILIZED IMMEDIATELY UPON flow net analysis, etc.) are submitted as part of COMPLETION OF CONSTRUCTION OF THE BASIN. the plan approval. 10. TRAP SHALL BE INSPECTED REGULARLY AND AFTER EACH RAINFALL WITH REPAIRS MADE AS NECESSARY. b) A cutoff trench (core trench) shall be provided with a minimum width of four feet (4'). The centerline of the cutoff trench shall not be located downstream of the inside top of slope of SPILLWAY PIPE SPECIFICATIONS the dam. The cutoff trench shall be carefully back- filled with highly impermeable material and A. CORRUGATED ALUMINUM' ALLOY PIPE (C.A.A.P.) compacted to at least ninety -five percent (95%) of standard proctor density. 1. THE PIPE SHALL MEET THE APPLICABLE REQUIREMENTS c) The minimum top width of the dam shall be ten OF CURRENT A.A.S.H.T.O. SPECIFICATIONS M -196, feet (10') and slopes shall not be steeper than LATEST EDITION. 3:1 (three horizontal to one vertical) on the dam or embankments around the pond. 2. THE PIPE SHALL BE FABRICATED WITH TWO ANNULAR CORRUGATED REROLLED ENDS OR BE FURNISHED ,WITH d) All disturbed ground areas and embankments FLANGED ENDS TO BE CONNECTED USING 'STAINLESS surrounding the pond shall be mechanically STEEL HARDWARE AND CLOSED CELL NEOPRENE GASKETS. stabilized or have permanent ground cover WHERE REROLLED ENDS ARE USED, A- HUGGER TYPE BAND established in accordance with Guilford County WITH "0" RING GASKETS WILL BE REQUIRED. guidelines prior to final approval. 3. THE PIPE SHALL BE FORMED FROM SHEET" CONFORMING TO I STATE TO THE BEST OF MY KNOWLEDGE BASED UPON INSPECTIONS THE REQUIREMENTS OF A.A.S.H.T.O. SPECIFICATION M =197. PERFORMED BY MYSELF OR PERSONNEL UNDER MY DIRECTION THAT THE THE CORE ALLOY SHALL BE 3004 -H34, CLAD ON BOTH PERMANENT RUNOFF CONTROL STRUCTURE, SIDES WITH ALLOY 7072. BEST MANAGEMENT PRACTICE (S) FOR (NAME OF PLAT) WILL CONTROL AND TREAT THE RUNOFF FROM THE PROJECT SITE BETWEEN THE PRE- AND POST DEVELOPMENT FOR, AT A MINIMUM, THE 1 YEAR, 24 -HOUR STORM, IS DULY RECORDED IN THE OFFICE OF THE RANDOLPH COUNTY REGISTER OF DEEDS, AND HAS BEEN COMPLETED IN CONFORMANCE WITH THE APPROVED PLANS AND SPECIFICATIONS DATE (APPROVED DATE) SIGNATURE: (SEAL) DATE: PROPOSED 54" DIA. 10 GAUGE 3" x 1" CORRUGATED ALUMINUM . TRASH RACK, SEE THIS SHEET FOR DETAILS TO P OF DAM 725.00 3 -11 10' WIDE EMERGENCY SPILLWAY N TS INV. 718.00 0 OF RISER. MPORARY WATER QUALITY ZONE 0 ry-1 /2" U -BOLT ELEV. 720.50 NOTCH TRASH RACK 3.00" WATER QUALITY RELEASE ORIFICE AROUND BARREL 6" DRAIN 24" C.A.A.P. BARREL -.0- CAD 0.50% INV. 718.40 ELEV. 720.50 PERMANENT POOL SHEAR GATE 3' DEEP LIFT ROD /6" C.A.A.P. & FRAME RISER 7 ELEV. 717.50 POURED INVERT x SEDIMENT STORAGE FILL W/ 3000 PSI CONCRETE ELEV. 716.00 150 PCF o t O 3000 PSI CONCRETE 150 PCF -� CONCRETE RISER 4' -0" SQUARE FOOTING TO BE ON UNDISTURBED SOIL RISER PIPE DETAIL NOT TO SCALE 24" x 1/4" THICK ALUMINUM ANTI- VORTEX PLATES EACH WAY WELD INTERSECTIONS 5%8" DIA. ALUMINUM RODS 0 12" O.C. 5/8" DIA. ALUMINUM RODS 0 12" OoC. EACH WAY, TYPICAL EACH WAY, TYPICAL WELD ALL INTERSECTIONS WELD ALL INTERSECTIONS PROPOSED 54" DIA. 10 GAUGE 3" x 1" CORRUGATED ALUMINUM TRASH ;SACK SKIRT 6" a N 1 24" x 1/4- THICK ALUS-IIMUM [PROPOSED 36" DIA. ANTI - VORTEX PLATES .A.P. RISER WELD INTERSECTIONS i 36" C.A.A.P. RISER 2" TYP ELEVATION PLAN TRASH RACK DETAILS NOT TO SCALE J Ll TO P OF DAM 725.00 3 -11 10' WIDE EMERGENCY SPILLWAY N TS INV. 718.00 0 OF RISER. MPORARY WATER QUALITY ZONE 0 ry-1 /2" U -BOLT ELEV. 720.50 NOTCH TRASH RACK 3.00" WATER QUALITY RELEASE ORIFICE AROUND BARREL 6" DRAIN 24" C.A.A.P. BARREL -.0- CAD 0.50% INV. 718.40 ELEV. 720.50 PERMANENT POOL SHEAR GATE 3' DEEP LIFT ROD /6" C.A.A.P. & FRAME RISER 7 ELEV. 717.50 POURED INVERT x SEDIMENT STORAGE FILL W/ 3000 PSI CONCRETE ELEV. 716.00 150 PCF o t O 3000 PSI CONCRETE 150 PCF -� CONCRETE RISER 4' -0" SQUARE FOOTING TO BE ON UNDISTURBED SOIL RISER PIPE DETAIL NOT TO SCALE 24" x 1/4" THICK ALUMINUM ANTI- VORTEX PLATES EACH WAY WELD INTERSECTIONS 5%8" DIA. ALUMINUM RODS 0 12" O.C. 5/8" DIA. ALUMINUM RODS 0 12" OoC. EACH WAY, TYPICAL EACH WAY, TYPICAL WELD ALL INTERSECTIONS WELD ALL INTERSECTIONS PROPOSED 54" DIA. 10 GAUGE 3" x 1" CORRUGATED ALUMINUM TRASH ;SACK SKIRT 6" a N 1 24" x 1/4- THICK ALUS-IIMUM [PROPOSED 36" DIA. ANTI - VORTEX PLATES .A.P. RISER WELD INTERSECTIONS i 36" C.A.A.P. RISER 2" TYP ELEVATION PLAN TRASH RACK DETAILS NOT TO SCALE J Ll M 0- M in M N 0 N M N \ m 3 0 Z 0 W N M m 3 0 i M N Q r a m m Y C a WET DETENTION POND FOR DRAINAGE 3ASIN 2 LANDSCAPING AND MAINTENANCE PLAN SCALE: 1 " =20' WET DETENTION POND 2 LANDSCAPING SCHEDULE Soil Specifications Soils used within planting area must adhere to the following requirements: The soil mix must be uniform and free of stones, stumps, roots, or other similar material greater than 2 inches. I-- - A minimum organic content of 10% by dry weight for areas planted with woody Z species and 5% for turf areas. - The pH should be between 5.5 and 7.0. If the pH falls outside of this range, it I-- may be modified with lime to increase the pH or iron sulfate and sulfur to lower the pH. The lime or iron sulfate must be mixed uniformly into the soil prior to use. COMMON NA M£ BOTANICAL NAME SIZE CLASSIFICA TION QUANTITY ... ` • • • • • , • . - • • BENT GRASS AGROSTIS PERENNANS H 103v OF .SEED MIXTURE '.'.'.'.'. • • • SWAMP SUNFOLWER HELIANTHUS ANGUSTIFOLIUS "H" 109' OF :SEED M IXTURE • - BU Y WEED ASCLEPIAS TUBEROSA "H" 107S OF ..SEED M IXTURE ` PURPLE TOP TRIDENS FLA VUS 'W" 339' OF SEED MIXTURE ` ' ' • ` ' BIG BLUE STEM ANDROPOGON GERARDI/ 'W" 20' OF :SEED MIXTURE - RED TOP AGROSTIS ALBA 'W" 179' OF .SEED M IXTURE DUCK POTATO SAG /TTAR /A LA T/FOLIA „ „ H 41 PLAN.%S SPACED 24" FROM (AND AL TERNA TED BETWEEN) THREE SQUARE BULRUSH AND SOFT STEM BULRUSH. PLANT IN THE FIRST 6" OF WA TER LEVEL. THREE SQUARE BULRUSf-' SC /RPUS AMERICANUS „ H 41 PLANTS SPACED 24" FROM (AND AL TERNA TED BETWEEN) DUCK PO TA TO AND Sheet No. SOFT STEM BULRUSH. PLANT IN THE FIRST 6" OF WA TER LEVEL. SOFT STEM BULRUSH SCIRPUS VALIDUS "H" 41 PLANTS SPACED 24" FROM (AND ALTERNATED BETWEEN) THREE SQUARE BULRUSH AND of l� DUCK PO „ %A TO. PLANT IN THE FIRST 6" OF WA TER LEVEL. USE SEEDING RATES PER ANOSCAPING STANDARDS FOR AREAS TO BE SEEDED. Soil Specifications Soils used within planting area must adhere to the following requirements: The soil mix must be uniform and free of stones, stumps, roots, or other similar material greater than 2 inches. I-- - A minimum organic content of 10% by dry weight for areas planted with woody Z species and 5% for turf areas. - The pH should be between 5.5 and 7.0. If the pH falls outside of this range, it I-- may be modified with lime to increase the pH or iron sulfate and sulfur to lower the pH. The lime or iron sulfate must be mixed uniformly into the soil prior to use. 0 ms: Sheet No. of l�