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HomeMy WebLinkAboutD-1769LK ^^V 1` DRAIIVA65 ANALYSIS FOR STORYBOOK BIOMES PROJECT 30/ oe 305 N. W 3�� ST. ADDENDUM 2. 2L 9/ 0 oR�ENV�� FCLY dy., ✓a 'V /YEwEL L //Vc. 05. /° O. BOX 39r. 2ENTO&, WA. 99057 (20co) 255- Z/90 ;-� ?M9 BooK HON1E5 L /ND A VE P2o IeC T� PI T,yE P2o✓Ecr Wl-IIcH coNsis SOF ColzrQUCTING TvuD AODITIorr-41- f10HES W/ 0121✓EWAY5, ONE C0ttHDN IZ' U2l✓EPVAy � AN bA-1 2GEHCY PAI2ICING PAD WILL C�UALIFy FROM PROVIDING' O&I-SITC- CONT1201.5 70 CONTROL RUNOFF 2A7E 105E tcF2 56CTICV,4 I,Z,3 /CIN6 CO l9go NYX4el4JC5 MANUAL - RUNOFF FIZOH TH& l2' CONC2ETE D2/✓EW AND %I5Pr/4Gr U21 ✓EWA y Z F170" EACH OF 7-HE T74 2eE LD7,S T,06 THET IN1TN 1200F Flay 7NE NEW COiV57-A&C[1014 WILL 8E COL4 E-(TED AAto 01-sCHA26ED TN IZCV6H A DI,SP,E2.5AG TA-FNCH A T THE LOT 801IN042y ANAL ps OF THE P2Ck/ECT U5ED DESIGN 0A7A -E PA2AHE7'E2,5 FOUN ., IN eI/V(, CO. 5TOE" /j/2AINAGE DE5/GA1 MANUAL (IgkO) AND 'W,4 7r2 WOr 45 " SOFTYVA2 5 QSING THE 5euH METFOOD AND THE USE2 / VD04 4)A7A , ,OE TFQF//NE /MAFRO YI5 ,42E-4 F02 /DE VEZOPI-!FAIT CA 5E.' EXI5T/1v6 6L05 (33X24 *- /2x Zo) = 1032 51F, El'1E26E�lCy PA/7,e/N6 (54 )(IZ) & 46 S. F, CoNIHoN 021vEfV4 y (18D x I Z) = 2100 s.F LOT DRIVEWAYS (Co9 X 16) = 124 Z 5,F, (3 5x l8) _ 630 S.F. (55 v 16) - (U 44 5-F FILL,ET,,5 (2I,5 .v co) _ / 29 s,F; UNITS (IOT3 Zt3) (Z x /ow) _ ZGrpo 5F, -IDTAL 1"PEQVAWS = &3L'5 S, F, O, ZDA L AIL T�/PE 13e C (6EA/tSITE ) PV020006IC OP44vp = c CN PAVEMENT = 98 Cal 1t11E,400W1A45TUQE = 8S Cal LAWAI,5 = 8(o CH 19W6(S8 = 51 100 y2 570PH p = 3191l 2 yIL 57-IZN p = Zo IN. WATEQWOP_/ZS" SOFT- WAS ritc- • 5T02vak gAs/tv /0, Ex I /D OEV ,QEFE P TO OU TPU r ( /oo ye) ( l oo y/a) CN (5/TE Exl6ro46 6E56 EX. Hou,SES ) _ (013 4) (S co) -{o l "W81) = 6 2, 7 (INIS 15 FC/Z EX S/TE W / LAr ANO 2 607.5 OF 92USN) L1CP- (0.49- 0-3Z) = 0./7 CPS 4 O,SO CPS T-145aEF02E DETENTIO&I N07- 2600. 0EV_L- oPN/EN7'AIZ U *t• A (To7-4t, ((/3o Z-&57—f /3 2.4)(.S) t30 150t 30) = 29ZSq 9 5F. ONCLUOC-, PORTIOVI OF RIW) 0,671 A c IFA15 TING S /TE TOTAL. A17EA = 29259 q sF = O, �7Z Ac EX45TI1,I6 ec.lxs 33.YZ4 t I Z x 20 - lo3Z , 5.F = O , o24 4c MEADO" l PASNUTAMW Z8 Z2 -7, % 5F = o. 643 Ac. 501(. PIPE 0E4USITE ti ,Br C G2ouP G EVF 0PED SITt- DU/AG ! 31, 6-7Z= 4.46 Dq /Ac I NPE2VIOU5 = 46P/o TABLE 3, S. 2 8 f IZEV, 5,EE F Foe AcT41g VALURS CA-C7 114PEZVlocts- O,OZ4 AC CAI PE2V IOUJ = 0,646 AC CN = f3/ (F3fZUSN) ICEVFLUPEP /MP Z L) /0Us = CN = 98 (Pa v'r) PE2V/OU-5 = ,47 Z A L CN= B6 (LAWW) /vU yI2 - 24 ff2 3. 9 ►t4 e rtEs i0 y2 - 2, q 1AICNCr.S 2 yP- - 24 fill 2,o 1NcHEs Z5y2 - 3, 4 IIVCHES j2AVFL TIVIE CISE 51+C-ET FLOG WITH 5f- 2T LA�VtJ o, s; W L= 180' Y?s a 0,40 ( tx 3z 5/ 16o = Iq.*,/, ITE NZEA- = 0, ao A c N I Du /AG �/0 1 FlPFTZ VIOUS = l 5'/0 P�2VIDu5 (a 9©) C• t35)= 0 , ?G5 Ac CN = BS- lZT A 7!ti? Folz GAFF.=ITE 1 ONSrTE L = 500 5 = � 0000 = Z3,3010 1= 120 S = 25//20 = Z0.&% r.> 11/27/90John R. Newell, Inc. P.S page 1 STORYBOOK LIND AVE PROJE 3 LOT SITE WITH 100 YR STORM --EXISTING AND DEVELOPED ------------- BASIN SUMMARY BASIN ID: Al SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: TcReach - Sheet PEAK RATE: 0.32 BASIN ID: A2 SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: NAME: EXISTING SITE WITH 100 YR. 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 3.90 inches AREA..: 0.65 Acres 10.00 min CN....: 82.70 17.52 min IMPERVIOUS AREA 0.20 AREA..: 0.02 Acres CN..... 98.00 L: 180.00 ns:0.4000 p2yr: 2.00 s:0.1940 cfs VOL: 0.12 Ac-ft TIME: 480 min NAME: DEVELOPED BASIN WITH 100 YR. 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 3.90 inches AREA..: 0.47 Acres 10.00 min CN....: 86.00 7.99 min IMPERVIOUS AREA 0.20 AREA..: 0.20 Acres TcReach - Sheet L: 180.00 PEAK RATE: 0.49 cfs VOL: CN..... 98.00 ns:0.1500 p2yr: 2.00 s:0.1940 0.16 Ac-ft TIME: 480 min ,STORYBOOK LIND AVE PROJ r 3 LOT SITE WITH li YR STORM --EXISTING AND D---.LOPED ------------------ DETAIL BASIN SUMMARY BASIN ID: A2 SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: NAME: DEVELOPED BASIN WITH 100 YR. 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 3.90 inches AREA..: 0.47 Acres 10.00 min CN....: 86.00 7.99 min IMPERVIOUS AREA 0.20 AREA..: 0.20 Acres TcReach - Sheet L: 180.00 PEAK RATE: 0.49 cfs VOL: CN..... 98.00 ns:0.1500 p2yr: 2.00 s:0.1940 0.16 Ac-ft TIME: 480 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 350 0.0757 690 0.0991 1030 0.0581 1370 0.0588 1710 20 360 0.0833 700 0.0993 1040 0.0578 1380 0.0588 1720 30 370 0.0868 710 0.0995 1050 0.0577 1390 0.0588 1730 40 0.0010 380 0.0893 720 0.0998 1060 0.0578 1400 0.0589 1740 50 0.0028 390 0.0915 730 0.1000 1070 0.0578 1410 0.0589 1750 60 0.0047 400 0.0935 740 0.1002 1080 0.0578 1420 0.0589 1760 70 0.0064 410 0.1108 750 0.1004 1090 0.0579 1430 0.0590 1770 80 0.0078 420 0.1323 760 0.1006 1100 0.0579 1440 0.0590 1780 90 0.0090 430 0.1398 770 0.0927 1110 0.0579 1450 0.0363 1790 100 0.0100 440 0.1634 780 0.0829 1120 0.0580 1460 0.0084 1800 110 0.0120 450 0.1915 790 0.0807 1130 0.0580 1470 0.0019 1810 120 0.0143 460 0.2736 800 0.0803 1140 0.0580 1480 0.0004 1820 130 0.0155 470 0.4659 810 0.0803 1150 0.0581 1490 0.0001 1830 140 0.0164 480 0.4884 820 0.0803 1160 0.0581 1500 1840 150 0.0171 490 0.3301 830 0.0804 1170 0.0582 1510 1850 160 0.0177 500 0.2299 840 0.0806 1180 0.0582 1520 1860 170 0.0197 510 0.1855 850 0.0807 1190 0.0582 1530 1870 180 0.0220 520 0.1763 860 0.0808 1200 0.0583 1540 1880 190 0.0232 530 0.1519 870 0.0809 1210 0.0583 1550 1890 200 0.0247 540 0.1238 880 0.0810 1220 0.0583 1560 1900 210 0.0267 550 0.1176 890 0.0772 1230 0.0584 1570 1910 220 0.0288 560 0.1166 900 0.0726 1240 0.0584 1580 1920 230 0.0330 570 0.1167 910 0.0716 1250 0.0584 1590 1930 240 0.0378 580 0.1171 920 0.0714 1260 0.0585 1600 1940 250 0.0407 590 0.1175 930 0.0714 1270 0.0585 1610 1950 260 0.0431 600 0.1180 940 0.0715 1280 0.0585 1620 1960 270 0.0454 610 0.1184 950 0.0715 1290 0.0585 1630 1970 280 0.0474 620 0.1188 960 0.0716 1300 0.0586 1640 1980 290 0.0528 630 0.1192 970 0.0717 1310 0.0586 1650 1990 300 0.0592 640 0.1196 980 0.0717 1320 0.0586 1660 2000 310 0.0624 650 0.1115 990 0.0718 1330 0.0587 1670 2010 320 0.0649 660 0.1015 1000 0.0719 1340 0.0587 1680 2020 330 0.0671 670 0.0994 1010 0.0664 1350 0.0587 1690 2030 340 0.0692 680 0.0990 1020 0.0596 1360 0.0588 1700 2040 STORYBOOK LIND AVE PROJ r 3 LOT SITE WITH 10 'R STORM --EXISTING AND D ---------------------- DETAIL BASIN SUMMARY BASIN ID: Al SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: 'LOPED NAME: EXISTING SITE WITH 100 YR. 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA. 3.90 inches AREA..: 0.65 Acres 10.00 min CN....: 82.70 17.52 min IMPERVIOUS AREA 0.20 AREA..: 0.02 Acres TcReach - Sheet L: 180.00 PEAK RATE: 0.32 cfs VOL: CN..... 98.00 ns:0.4000 p2yr: 2.00 s:0.1940 0.12 Ac-ft TIME: 480 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 350 0.0359 690 0.0872 1030 0.0554 1370 0.0543 1710 20 360 0.0409 700 0.0870 1040 0.0541 1380 0.0544 1720 30 370 0.0449 710 0.0870 1050 0.0534 1390 0.0544 1730 40 380 0.0485 720 0.0872 1060 0.0530 1400 0.0545 1740 50 0.0002 390 0.0517 730 0.0874 1070 0.0528 1410 0.0545 1750 60 0.0004 400 0.0547 740 0.0877 1080 0.0528 1420 0.0546 1760 70 0.0006 410 0.0633 750 0.0881 1090 0.0528 1430 0.0546 1770 80 0.0008 420 0.0755 760 0.0884 1100 0.0528 1440 0.0547 1780 90 0.0009 430 0.0843 770 0.0846 1110 0.0528 1450 0.0426 1790 100 0.0011 440 0.0991 780 0.0784 1120 0.0529 1460 0.0237 1800 110 0.0013 450 0.1177 790 0.0751 1130 0.0529 1470 0.0132 1810 120 0.0015 460 0.1621 800 0.0733 1140 0.0530 1480 0.0073 1820 130 0.0017 470 0.2662 810 0.0724 1150 0.0531 1490 0.0041 1830 140 0.0018 480 0.3190 820 0.0720 1160 0.0531 1500 0.0023 1840 150 0.0019 490 0.2776 830 0.0719 1170 0.0532 1510 0.0013 1850 160 0.0020 500 0.2261 840 0.0719 1180 0.0533 1520 0.0007 1860 170 0.0022 510 0.1881 850 0.0720 1190 0.0533 1530 0.0004 1870 180 0.0024 520 0.1679 860 0.0721 1200 0.0534 1540 0.0002 1880 190 0.0026 530 0.1464 870 0.0722 1210 0.0534 1550 0.0001 1890 200 0.0027 540 0.1240 880 0.0724 1220 0.0535 1560 1900 210 0.0028 550 0.1118 890 0.0706 1230 0.0536 1570 1910 220 0.0029 560 0.1054 900 0.0676 1240 0.0536 1580 1920 230 0.0032 570 0.1022 910 0.0660 1250 0.0537 1590 1930 240 0.0044 580 0.1007 920 0.0652 1260 0.0537 1600 1940 250 0.0062 590 0.1002 930 0.0648 1270 0.0538 1610 1950 260 0.0083 600 0.1003 940 0.0647 1280 0.0538 1620 1960 270 0.0106 610 0.1006 950 0.0646 1290 0.0539 1630 1970 280 0.0130 620 0.1011 960 0.0646 1300 0.0540 1640 1980 290 0.0161 630 0.1016 970 0.0647 1310 0.0540 1650 1990 300 0.0198 640 0.1022 980 0.0648 1320 0.0541 1660 2000 310 0.0231 650 0.0986 990 0.0649 1330 0.0541 1670 2010 320 0.0262 660 0.0926 1000 0.0650 1340 0.0542 1680 2020 330 0.0291 670 0.0895 1010 0.0622 1350 0.0542 1690 2030 340 0.0319 680 0.0879 1020 0.0578 1360 0.0543 1700 2040 P ` 1 ri U. S. ,VEPARTMENT OF AGRICC URE � SOIL CONSERVATION SERVII S011 pe L beaus 4e C- \\Iw p =. C 122° 5' R. 4 E. R. 5 E. SEATTLE (CITY P.O.) 10 MI.12'30" 6 Mi. TO INT: ,� •',B mMa No T _ BIB River AR 0 k Ath etic I _ ybsIt BM n Ycield I ! Bec900 T B�• ••.• S '• r e r. F ' • 125 :� _ •y 1 'aWIN• TZ =t F m IBec D Be I •• •n w BeC• sc z: P P • ti ROAD l- �•• S F d ++ \ u 0 tr O�0NET `RwOF, ; L. r h T G I jl 1Wu ►"� Wo Pu Ur �13 6 N Py ( , I I� I BeC Golf urse j Foe — �t Ur � BM o ` I o 1E 30._ +• N, Sew ge pRT H , . • I u \ .. \so 0 Disp sal �' c h2 N Ur Ur � M 16 ~• tj :12a �l:.i , ` °a P. �' ` Irk • i i liT l• `• i Ut Longacrej.—I- i Pu Pu• .�• \ 515 ` •:� �� PvBecl j40" 1r Uri i�r Ur ter. Wo BeD �u •.u, ~ J I u• I ��►gD 'fir. I ur' •�J ';��'_ •�- 1 o Track t •• 14PP B 1 IIil 27'30"�L� Ur e v I Url Ng I ❑❑ R s rvoir p0 py — — 2 So Tu m i ... Z W Pu m Sk I i Wo M Pu u I I 1 V r I 25 0__, IBM V •� 169 203 ABC Urn Py Sk I I n Wo Ur I • lUr v 1 II Tu •% �. 1' v KING COUNTY, W HINGTON, SURFACE WA R DESIGN MANUAL FIGURE 3.5.2A HYDROLOGIC SOIL GROUP OF THE SOILS IN KING COUNTY SOIL GROUP HYDROLOGIC GROUP* SOIL GROUP HYDROLOGIC GROUP* Alderwood C Orcas Peat D D Arents, Alderwood Material C Oridia C Arents, Everett Material B Ovall C Beausite Pilchuck Bellingham D Puget Puyallup B Briscot Buckley D Ragnar B D Coastal Beaches Variable D Renton Riverwash Variable Earimont Silt Loam C Salal C Edgewick Everett A Sammamish D Indianola A Seattle D D Kitsap C Shacar C Klaus Mixed Alluvial Land C Variable Si Silt Snohomish D C Neilton A Sultan D Newberg B C Tukwila Urban Variable Nooksack Normal Sandy Loam D Woodinville D HYDROLOGIC SOIL GROUP CLASSIFICATIONS A. (Low runoff potential). Soils having high infiltration rates, even when thoroughly wetted, and consisting chiefly of deep, well -to -excessively drained sands or gravels. These soils have a high rate of water transmission. B. (Moderately low runoff potential). Soils having moderate infiltration rates when thoroughly wetted, and consisting chiefly of moderately fine to moderately coarse textures. These soils have a moderate rate of water transmission. C. (Moderately high runoff potential). Soils having slow Infiltration rates when thoroughly wetted, and consisting chiefly of soils with a layer that Impedes downward movement of water, or soils with moderately fine to fine textures. These soils have a slow rate of water transmission. D. (High runoff potential). Soils having very slow infiltration rates when thoroughly wetted and consisting chiefly of clay soils with a high swelling potential, soils with a permanent high water table, soils with a hardpan or clay layer at or near the surface, and shallow soils over nearly impervious material. These soils have a very slow rate of water transmission. From SCS, TR-55, Second Edition, June 1986, Exhibit A-1. Revisions made from SCS, Soil Interpretation Record, Form #5, September 1988. 3.5.2-2 1/'90 YI KING COUNTY, WASHI TON, SURFACE WATER I SIGN MANUAL -rerti 2R 4Wq WESTERN WASHINGTON RUNOFF CURVE NUMBERS SCS WESTERN WASHINGTON RUNOFF CURVE NUMBERS (Published by SCS in 1982) Runoff curve numbers for selected agricultural, suburban and urban land use for Type to rainfall distribution, 24-hour storm duration. CURVE NUMBERS BY HYDROLOGIC SOIL GROUP LAND USE DESCRIPTION A B C D Cultivated land(1): winter condition 86 91 94 95 Mountain open areas: low growing brush and grasslands 74 82 89 92 Meadow or pasture: 65 78 89 Wood or forest land: Wood or forest land: undisturbed young second growth or brush 42 64 76 81 55 72 (81 86 Orchard: with cover crop 81 88 92 94 Open spaces, lawns, parks, golf courses, cemeteries, landscaping. good condition: grass cover on 75% 68 80 � 90 or more of the area fair condition: grass cover on 50% 77 85 90 92 to 75% of the area Gravel roads and parking lots 76 85 89 91 72 82 87 89 Dirt roads and parking lots Impervious surfaces, pavement, roofs, etc. 98 98 98 100 100 100 100 Open water bodies: lakes, wetlands, ponds, etc. Single Family Residential (2) Dwelling Unit/Gross Acre % Impervious (3) 15 Separate curve number 1.0 DU/GA 1.5 DU/GA 20 shall be selected 2.0 DU/GA 25 30 for pervious and impervious portion 2.5 DU/GA 3.0 DU/GA 34 of the site or basin 3.5 DU/GA 38 4.0 DU/GA 42 04P 4.5 DU/GA 5.0 DU/GA 4 8 5.5 DU/GA 50 6.0 DU/GA 52 6.5 DU/GA 54 7.0 DU/GA 56 Planned unit developments, % impervious must be computed condominiums, apartments, commercial business and industrial areas. .nfar tt% Natinnal Fnnineerino (1) i-or a more oetaiieu uescnNuun ui awl l.0U.a.- Handbook, Section 4, Hydrology, Chapter 9, August 1972. (2) Assumes roof and driveway runoff is directed into street/storm system. (3) The remaining pervious areas (lawn) are considered to be in good condition for these curve numbers. 3.5.2-3 I/90 `KING COUNTY, WASI GTON, SURFACE WATEF ESIGN MANUAL TABLE 3.5.2C "n" AND "V VALUES USED IN TIME CALCULATIONS FOR HYDROGRAPHS n; Shoot Flow Equation Maru vng's Values (For the initial 300 ft Oftravel) n.- Smooth surfaces (concrete, asphalt, gravel, or bare hard packed sell) , 0.011 Fallow fields or loose sell surface (no residue) 0.05 Cultivated soil with residue cover ( t < - 0.20 tt/h) 0.06 Cultivated suit with residue Cover (S> 0.20 ft/ft) 0.17 Staon prairie grass and Lawns 0 1-► 0.24 Dense grasses Bermuda grass 0.41 Range (natural) 0.13 Woods or forest with light underbrush --""" tv. Woods or forest with dense underbrush 0.80 *Manning values for sheet flow orgy, from Overton and Meadows 1976 (See TR-55, tife6) 'k' Values Used In Travel Time/Tune of Concentration Calculations Shallow Concentrated Flow (After the katial 300 ft. of sheet flow, R - 0.1) k, 1. Forest with heavy ground liner and meadows (n-0.10) 3 2. Brushy ground with some trees (n - 0.060) 5 3. Fallow or minimum Wage cultivation (n-0.040) 8 4. High grass (n - 0.035) 5. Shun grass, pasture and lawns (n-0.030) it 6, Nearly bare ground (n-0.025) 13 7. Paved and gravel areas (n-0.012) 27 Channel Flow (Intermittent) (At the beguaung of visible channels: R-02) k. I. Forested Swale with heavy ground liner (n = 0,10) 5 2. Fomstod drainage course/ravine with defined channel bed (n-0.050) 10 3. Rock -lined watorway (n=0.035) 15 4. Grassed waterway (n-0.030) 17 5. Earth -lined waterway (n-0.025) 20 6. CMP pipe (n-0.024) 21 7. Concrete pipe (0.012) 42 8. Other waterways and pipes 0.508/n Channel Flow (Continuous stream, R - 0.4) k° 9. Meandering stream with some pods (n - 0.040) 20 10. Rock -lined stream (n-0.035) 23 11. Grassaiped stream (n-0.030) 27 12. Other streams. man-made Charnels and pipe 0.807/n•• --See Chapter 5, Table 5.3.6C for additional Mannktga'n' values for open Channels 3.5.2-7 I/90 ADDENDUM ti 2. 2/• 91 g102 21 pETEICt i1WF .57012A6E 4 OEIFICE 5/iF.5, FOR A DETENTION �T2UCTUeE TO MIT/CATE COWN572EArI C2ANAGF P208LF �1C , AL50 O 7EIZM I1,1 /Dye FLD IN 2A7E FDC DIS C"A126E @ FLOW ,5PeEAOfC USE (, WA7E2 WOUS ` SOFT WAIZF � 12 UN M5114S FO e EX I5TIN6 DEVELOPED CONDITIONS Rae 2, I0, ZS Y2. EUENr5. CNUTE ICOW EVC-N7 W,15 PL2EVIOUSLY ANAi-YiF-0, 5tE ATTACHED "6A51 4 ,5UtInA21E5 roZ EXI3T11VC g DEVELQptD COAIOITIDNSe 6)'5 suHkIAIZY '94SIN N°, EVENT CONDITION HVD1ZD Iq Q (MAX) A 13 zye Exk5T1lo.Ic / O.Ub CF�, A 14 /0 y/z EX 16 71t4G 2 0,16 A 1S Zs ya Ex15TINC 3 0, Z - A 16 2VIZ ,DEVELOPED 4 0.18 A 17 /0 y2 DEVELOPED 5 0.3Z A 18 75ye DEVELOPED 6 0,34 5ri�E OE TEitl T10n1 VOL, € D15CNAZGE FO/Z Z ID y2 EVENT-5 SEE. alrPcIT DATA USE of= 3(9"0 C,MP (?, p,5o7d USE Z D2IFlCES 1 Sr EL ! 5/ 6UO Znd FL l55.4{� 0 = 1, 58 A,! 9111r 6 MAX EL (/Dye) = /56, 7(o FM 10'�Z Q CMAX) WI O DE'[ENIiON Q = 0,32 cps POCL l0 HIZ p C Flax) U1I DEZFN110wa Q = 0,18 CF S C1 s� PT = OdB I IS- 0,Ol2CFL I 2/21/91 John Newell, Inc. page 1 STORYBOOK HOMES LIND AVE PROJECT BASIN SUMMARIES FOR VARIOUS RAINFALLS ------------------ BASIN SUMMARY BASIN ID: A13 SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: NAME: EXISTING W/ 2YR. EVENT 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 2.00 inches AREA..: 0.65 Acres 10.00 min CN....: 82.70 17.52 min IMPERVIOUS AREA 0.20 AREA..: 0.02 Acres PEAK RATE: 0.08 cfs VOL: BASIN ID: A14 SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: CN..... 98.00 0.04 Ac-ft TIME: 480 min NAME: EXISTING W/ 10 YR. EVENT 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 2.90 inches AREA..: 0.65 Acres 10.00 min CN....: 82.70 17.52 min IMPERVIOUS AREA 0.20 AREA..: 0.02 Acres PEAK RATE: 0.18 cfs VOL: BASIN ID: A15 SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: CN..... 98.00 0.08 Ac-ft TIME: 480 min NAME: EXISTING W/ 25 YR. STORM 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 3.40 inches AREA..: 0.65 Acres 10-.00 min CN....: 82.70 17.52 min IMPERVIOUS AREA 0.20 AREA..: 0.02 Acres PEAK RATE: 0.25 cfs VOL: CN..... 98.00 0.10 Ac-ft TIME: 480 min 2/21/91 John Newell, Inc. STORYBOOK HOMES LIND AVE PROJECT BASIN SUMMARIES FOR VARIOUS RAINFALLS BASIN SUMMARY BASIN ID: A16 SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: NAME: DEVELOPED W/ 2 YR. STORM page 2 ----------------- 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 2.00 inches AREA..: 0.47 Acres 10.00 min CN....: 86.00 7.99 min IMPERVIOUS AREA 0.20 AREA..: 0.20 Acres PEAK RATE: 0.18 cfs VOL: BASIN ID: A17 SBUH METHODOLOGY TOTAL AREA........ RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: CN..... 98.00 0.06 Ac-ft TIME: 480 min NAME: DEVELOPED W 10 YR.EVENT 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 2.90 inches AREA..: 0.47 Acres 10.00 min CN....: 86.00 7.99 min IMPERVIOUS AREA 0.20 AREA..: 0.20 Acres PEAK RATE: 0.32 cfs VOL: BASIN ID: A18 SBUH METHODOLOGY TOTAL AREA.......: RAINFALL TYPE....: PRECIPITATION....: TIME INTERVAL....: TIME OF CONC.....: ABSTRACTION COEFF: CN..... 98.00 0.11 Ac-ft TIME: 480 min NAME: DEVELOPED W/ 25 YR. STORM 0.67 Acres BASEFLOWS: 0.00 cfs USER1 PERVIOUS AREA 3.40 inches AREA..: 0.67 Acres 10.00 min CN....: 86.00 7.99 min IMPERVIOUS AREA 0.20 AREA..: 0.00 Acres PEAK RATE: 0.34 cfs VOL: CN..... 98.00 0.11 Ac-ft TIME: 480 min 2/21/91 John Newell, Inc. page 1 S__RYBOOK HOMES LIND AVE PRO :T BASIN SUMMARIES FOR VARIOUS RAINFALLS ------------------ STAGE STORAGE TABLE UNDERGROUND PIPE ID No. 11 Description: 65 FT OF 36 INCH DIA PIPE Diameter: 3.00 ft. Length: 65.00 ft. Slope...: 0.0050 ft/ft STAGE <---- STORAGE ---- > STAGE <---- STORAGE ---- > STAGE <---- STORAGE ---- > STAGE <---- STORAGE ---- > (ft) ---cf--- --AC-Ft- (ft)---cf --- --Ac-Ft- (ft) ---cf-----Ac-Ft- (ft)---cf -----Ac-Ft- ________________________________________________________________________________________________________ 153.68 0.0000 0.0000 154.50 75.715 0.0017 155.40 240.86 0.0055 156.30 401.41 0.0092 153.70 0.0130 0.0000 154.60 92.075 0.0021 155.50 260.70 0.0060 156.40 415.56 0.0095 153.80 1.1381 0.0000 154.70 109.20 0.0025 155.60 279.37 0.0064 156.50 428.30 0.0098 153.90 5.1256 0.0001 154.80 126.97 0.0029 155.70 298.35 0.0068 156.60 439.23 0.0101 154.00 12.941 0.0003 154.90 145.25 0.0033 155.80 316.99 0.0073 156.70 447.97 0.0103 154.10 21.725 0.0005 155.00 163.94 0.0038 155.90 335.20 0.0077 156.80 455.16 0.0104 154.20 32.969 0.0008 155.10 182.94 0.0042 156.00 352.87 0.0081 156.90 458.65 0.0105 154.30 45.944 0.0011 155.20 202.21 0.0046 156.10 369.89 0.0085 157.00 459.46 0.0105 154.40 60.276 0.0014 155.30 221.50 0.0051 156.20 386.12 0.0089 157.00 459.46 0.0105 2/21/91 John Newell, Inc. page 2 STORYBOOK HOMES LIND AVE PROJECT BASIN SUMMARIES FOR VARIOUS RAINFALLS STAGE DISCHARGE TABLE MULTIPLE ORIFICE ID No. 11 Description: ORIFICE WITH 65 FT OF 36 INCH Outlet Elev: 153.68 Elev: 151.68 ft Orifice Diameter: 1.5000 in. Elev: 155.48 ft Orifice 2 Diameter: 1.5820 in. STAGE -DISCHARGE --- > STAGE <--DISCHARGE --- > STAGE <--DISCHARGE --- > STAGE -DISCHARGE --- > (ft) --- CfS--------- (ft) --- CfS-- ------- (ft) --- CfS--------- (ft) --- CfS--------- -------------------------------------- 153.68 0.0000 154.70 0.0617 155.80 0.1273 156.90 0.1905 153.70 0.0086 154.80 0.0646 155.90 0.1350 157.00 0.1950 153.80 0.0212 154.90 0.0674 156.00 0.1420 157.10 0.1994 153.90 0.0286 155.00 0.0702 156.10 0.1485 157.20 0.2036 154.00 0.0345 155.10 0.0728 156.20 0.1546 157.30 0.2078 154.10 0.0396 155.20 0.0753 156.30 0.1603 157.40 0.2119 154.20 0.0440 155.30 0.0777 156.40 0.1658 157.50 0.2159 154.30 0.0481 155.40 0.0801 156.50 0.1711 157.60 0.2198 154.40 0.0518 155.50 0.0920 156.60 0.1762 157.68 0.2229 154.50 0.0553 155.60 0.1081 156.70 0.1811 154.60 0.0586 155.70 0.1186 156.80 0.1859 File Basin Hydrograp__ Storage Discharge L :1 pool J2eeeeeeeeeeeeeeeeeeeeee; *Rectangular vault ° *Trapezoidal basin ° *Underground pipe ° °Sto list ° 3eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee; UNDERGROUND PIPE ° STORAGE STRUCTURE ID: 11 ° ............ o °eeeeeeef *Name: 65 FT OF 36 INCH DIA PIPE °urvilinear *Pipe Length (ft)... : 65.00 °2 *Pipe Diameter (ft).: 3.00 ° *Pipe Slope (ft/ft).: 0.0050 °50 'Stage-Sto Increment: 0.10 °00 *Starting Elevation : 153.68 °00 °Structure Vol (cf).: 459.46 050 Ac-ft.: 0.01 °20 ° °PGUP PGDN F3: Get F6: Delete F10: Exit ° .................................................................................... aeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeef Available Memory remaining: 163485 bytes Current Data Set Name: \STORYBK File Basin Hydrograp-- Storage Discharge L d pool John Newell, Inc. LEVEL POOL ROUTING INSTRUCTIONS o o PRE INFLO STG STG OUTFL o o DESCRIPTION HYD # HYD # STOR DIS HYD # o . ID ID o o o[2 YR. EVENT 11 [4 1 101 : : o[10 YR. EVENT [2 [5 o[ odf o[ o[ CLEAR F10: EXIT aeeeeeeeeeeeeeeeeeeed6ddddd&6666666666666666666666666666666666666666f Available Memory remaining: 163485 bytes Current Data Set Name: \STORYBK File Basin Hydrograp.. Storage Discharge L___1pool ................................................................................................................................... 3eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee; MULTIPLE ORIFICE ° ° DISCHARGE STRUCTURE ID:11 0 ° ° °Name: ORIFICE WITH 65 FT OF 36 INCH *Peak Dsgn Release Rate: 0.34 cfs Orif /flow/elev ° *Orifice Coefficient...: 0.62 Dia (in)/cfs/ ft ° *Lowest Orifice Dia (in)..: 1.50 1.50 0.12 cfs ° °h1: Outlet to 2nd Orifice: 1.80 155.48 ft ° *Second Orifice Dia (in)... 1.58 1.58 0.10 cfs ° ° °h2: 2nd to 3rd Orifice.... 0.00 ° *Third Orifice Dia (in)... 0.00 ° °h3: 3rd to 4th Orifice...: 0.00 ° *Fourth Orifice Dia (in)..: 0.00 ° °h4: 4th to 5th Orifice...: 0.00 ° *Top Orifice Dia (in)..: 0.00 ° :Elevation of Lowest Orifice....: 151.68 ° *Outlet Elevation ................ 153.68 *Max Elev Above Outlet........... 157.68 ° °Stage-Disch Increment........... 0.10 ° ° Av°PGUP PGDN F3: Get F6: Delete F10: Exit ° .................................................................................................................................. Cuaeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeef File Basin HydrograL Storage Discharge I al pool John Newell, Inc. 6- 666eeeeeeeeeeeeeeeeeeei Estimate Basin Size Based on Input Table o G Sizing 2 YR. EVENT Orifice diameter: 1.50 inches o 'Sizing 10 YR. EVENT Orifice diameter: 1.58 inches o o <====Done! Press any key to continue====> Min Pipe Slope (ft/ft)..: 0.0050 Max Pipe Slope.(ft/ft)..: 0.2000 Min Full Velocity (fps).: 2.00 Min Cover at Struct (ft): 2.50 Pipe Safety Factor....... 1.20 Available Memory remaining: 163485 bytes Current Data Set Name: \STORYBK File Basin Hydrograph Storage Discharge Level pool John Newell, Inc. 2666666666666eeeeei 66666i ROUTING COMPARISON TABLE o MATCH INFLOW STO DIS PEAK PEAK OUT o DESCRIPTION PEAK PEAK No. No. STG OUT HYD 0.08 0.18 11 11 155.38 0.08 10 '2 YR. EVENT *10 YR. EVENT 0.18 0.32 11 11 156.76 0.18 11 o o o o ==========>Done<============ F10to Exit ...... ...... .. .. .. .. &6666&666666666&&666666666666&6eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee66666f Available Memory remaining: 163485 bytes Current Data Set Name: \STORYBK File Basin Hydrograph Storage Discharge Level pool John Newell, Inc. 666661 * o LEVEL POOL ROUTING INSTRUCTIONS OUTFL o PRE INFLO STG STG DESCRIPTION HYD # HYD # STOR DIS HYD # o I ID ID