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HomeMy WebLinkAbout1990-05-15 Stormwater Report Part II DENIED I Data for W.B.KENT&SONS-PRE-DEVELOPED HYDROLOGY( 100YR) Page 57 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 HydroCAQ Release 2.40 c ) 1986 , 1990 Agolied Micr co u er Sy stems I REACH 3 DISCHARGE MAIN STREAM BEHIND ELM SQUARE 1 .6 1 .5 1 . 4 1 . 3 1 . 2 *' ! . 1 1 . 0 . g x , g p 12 ' x 1 . 8' CHANNEL . 4 SIDE SLOPE= 2 . 3 n=. C45 L-1500' S=. 0037 . 2 . 1 0. 0® to to to lri u7 r� 1n lS7 DISCHARGE (cfs ) REACH 3 INFLOW & OUTFLOH MRI14 STREAM BEHIND ELM SQUARE 150 130jl 12' x 1 . B' CHANNEL 12L� SIDE SLOPE= 2 110n=. 045 L 1500' S=.0037 ^ !@0� 90 STOR-IND METHOD �' 60 VELOCITY= 3 FPS 7r000i�ITFiCT- 501 SEC O040Oin= 149. 3 CFS 30Gout= 112. 4 CFS 20 10c� m 1- rn W r� co m m TIME (hours ) Data For W.B.KENTBSONS--PRE-DEVELOPED HYDROLOGY( 100YR) Page 58 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 H„ydC oCAD Release 2.40 (c ) 1986 ,_ 1990 Apolied Microcomputer Systems REACH 3 MAIN STREAM BEHIND ELM SQUARE OUTFLOW PEAK= 112.4 CFS @ 11 . 99 HOURS HOUR .00 . 10 .20 .30_ _-_.40 _ .50_. .60 .90 10.00 1 .3 .8 1 .3 2.2 2.9 3.6 4. 1 4.7 5.4 5.9 11 .00 1 6.5 7. 1 7.8 8.7 9.8 11 .2 15.9 29.3 55.S 95.8 12.00 1 112 .0 84.8 56.4 45.6 43.5 44. 1 44.7 44.7 43.7 41 .7 13.00 1 39.4 36.8 34.5 32.4 30.6 29. 1 27.7 26.5 26.6 24.8 14.00 € 24. 1 23.4 22.9 22.4 22 .0 21 .7 21 .4 21 . 1 20.8 20.6 15.00 1 20.4 20.2 20.0 19.8 19.7 19.5 19.3 19.2 19. 1 18.9 16.00 1 18.8 18.6 18.5 18.4 18.3 18.2 18. 1 18.0 18.0 17.9 17.00 1 17.8 17.7 17.7 17.G 17.5 17.5 17.4 17.4 17.3 17.3 18.00 1 17.2 17. 1 17. 1 17.0 17.0 16.9 16.9 16.8 16.7 IG.7 19.00 1 16.6 16.6 16.5 16.5 16.4 16.3 16.3 16.2 16.2 16. 1 20.00 I 16 . i REACH 4 -> X ,Y = 11 .7 4.4 <1 1 } REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VF L. TIME Qout ( IN ) (FT ) (FT ) (FT/FT ) (FT ) (FT/FT ) (FPS ) (SEC ) ( FS ) 4 21 .0 - - - .015 82 .0050 4.6 18 10.3 REACH 4 CULVERT FROM KENT SITE UNDER 114(CENTER) DEPTH END AREA DISCH (FT ) (S -FT ) (CFS ) 21 " PIPE STOR-IND METHOD 0.0 0.0 0.0 MAX. DEPTH- 1 .75 FT .2 . 1 .2 n= .015 PEAK VELOCITY= 4.6 FPS .4 .3 .9 LENGTH- 82 FT CONTACT TIME = 18 SEC .5 .6 1 .9 SLOPE- .00S FT/FT Qin = 17.8 CFS @ 17.46 HRS 1 .2 1 .8 8. 1 Qoot= 10.3 CFS @ 11 .80 HRS 1 .4 2 . 1 9.5 ATTEN- 42 % LAG= 0.0 MIN 1 .6 2,3 10.3 IN/OUT= 12.43 / 7.550 AF 1 .6 2 .3 10.4 1 .7 2.4 10.3 1 .8 2 .4 9.7 Data for W.B.KENT&SONS-PRE-DEVELOPED HYDROLOGY( 100YR) Page 59 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSF'IELD, MA. 31JAN90 HydroCAD Re ass 2.40 (c ) 1986 1990 Applied Mic o om uter S s e 5 REACH 4 DISCHARGE CULVERT FROM KENT SITE UNDER 114(CENTER) 1 .7 1 .5 1 .4 1 . 3 1 . 2 4- 1 . 1 u 1 . 0 . 7 . q6. 5 x 21 " PIPE . 4 n=.015 L=82 ' S=.005 . 2 . 1 0. 14 w m rr to m r• m m LC1 DISCHARGE (cfs ) REACH 4 INFLOW & OUTFLOW CULVERT FROM KENT SITE UNDER 114 (CENTER) 17 16 21 " PIPE 14 n-. 015 L=B2 ' S=. 005 13 12 STOR—IND METHOD ti 10 VELOCITY= 4 . 6 FPS ---------------- -CCIdTAGT=-0- SEC o Oin= 17. 8 CFS E- 5 Gout= 10. 3 CFS 4 LAG= 0 MIN 3 2 1 0CD cv m v- Ul w rl to m TIME (hours ) Data For W.B.KENTBSONS-PRE-DEVELOPED HYDROLOGY( 100YR) Page 60 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 droCAD Release 2.40 (c 1986 990 Applied Microcomputer Systems REACH 4 CULVERT FROM KENT SITE UNDER 114(CENTER) OUTFLOW PEAK= 10.3 CFS @ 11 .80 HOURS HOUR 0.00 . 10 .20 .30_ . 40 _ _ 50 .60 _-_.70 .80 .90 10.00 1� . 1 .7 1 .4 2. 1 3.0 3.6 4.2 4.8 sa.5 6. 1 11 .00 1 6.7 7.3 8. 1 9.0 9.6 9.5 9.6 9.8 10.3 9.7 12.00 1 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 13.00 1 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 14.00 1 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 15.00 1 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 16.00 1 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 17.00 1 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 18.00 1 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 19.00 1 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 9.7 20.00 1 9.7 REACH 5 -? REACH 2 X ,Y = 6.2 2.3 C1 2J REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN ) (FT ) (FT ) (FT/FT ) (FT ) (FT/FT ) (FPS ) (SE ) (CFS ) 5 24.0x2 - - - - .015 60 .00255 2.0 30 1 .9 REACH 5 CULVERTS UNDER ELM SQUARE DRIVEWAY DEPTH END AREA DISCH (FT ) (S -FT ) (CFS ) 24" PIPE X 2 STOR--IND METHOD 0.0 0.0 0.0 MAX. DEPTH= .41 FT .2 .3 .4 n- .015 PEAK VELOCITY= 2.0 FPS .4 .9 1 .7 LENGTH= 60 FT CONTACT TIME = 30 SEC .6 1 .6 3.6 SLOPE= .0025 FT/FT Qin = 1 . 9 CFS @ 13.76 HRS 1 .4 4.7 16.4 Qout= 1 .9 CFS @ 13.77 HRS 1 .6 5.4 19.2 ATTEN= 0 % LAG= .2 MIN 1 .8 6.0 20.9 IN/OUT= 1 . 15 / 1 . 15 AF 1 .9 6. 1 21 . 1 1 .9 6.2 20.9 2.0 6.3 19.6 Data for W.O.KENTBSONS--PRE-DEVELOPED HYDROLOGY( 100YR) Page 61 Prepared by 'THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 Kv-droCAQ Relca5e2.40 c ) 1986 1990 Al2olied Microcomputer Svatemrg REACH 5 DISCHARGE CULVERTS UNDER ELM SQURRE DRIVEWAY 2. 0 1 . $ 1 . 4 z 1 . 0 r ,g .6 24" PIPE X 2 . 4 n-. 015 L=60' S=. 0025 . 2 0. 0a tv r ua as m rat tr -4 DISCHARGE (cfs ) REACH 5 INFLOW & OUTFLOW CULVERTS UNDER ELM SQURRE DRIVEWAY 1 .8 1 . PIPE X 2 1 . 5 n=. 015 L=60' 025 1 . 4 1 1 . 2 STOR-IND METHOD 2 VELOCITY= 2 FPS , 9 CONTACT= 30 SEC . E3 6 Qin= 1 . 9 CFS . 6 Qout= 1 . 9 CFS 4 LAG- . 2 MIN . . 3 , 2 . 1 0. 0C D ro Ln are n � � TIME (hours ) Data for W.B.KENT&SONS-PRE-DEVELOPED HYDROLOGY( 100YR) Page 62 Prepared by THOMAS E. NEVE ASSOCIATES, INC. ,TOPSFIELD , MA. 31JAN90 d a AQ Releag5e 2.40 (c ) 1986 1990 -Avolied iaraaom ut S at s REACH 5 CULVERTS UNDER ELM SQUARE DRIVEWAY OUTFLOW PEAK= 1 .9 CFS @ 13.77 HOURS HOUR 0.00 0 .20 .30 .40 .50 .80 .70 .80 0 10.00 1 0.0 0.0 0.0 . 1 . 1 .3 .4 .4 .4 .4 11 .00 1 .4 .4 .4 .4 .4 .5 .5 .5 .5 .6 12.00 1 .7 1 .0 1 .2 1 .4 1 .6 1 .6 1 .7 1 .7 1 .8 1 .8 13.00 1 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 119 1 .9 1 .8 14.00 1 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 15.00 1 1 .8 1 .8 1 .8 1 .8 1 .B 1 .8 1 .8 1 .8 1 .7 1 .7 16.00 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .6 17.00 1 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 18.00 1 1 .6 1 .5 1 .5 1 .5 1 .5 1 .5 1 .5 1 .5 1 .5 1 .5 19.00 1 1 .5 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 20.00 1 1 .4 REACH 6 -> X ,Y 10.8 1 .6 <1 0 REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN) (FT ) (FT ) (FT/FT) (FT) (FT/FT ) (FPS ) (SEC) (CFS ) 6 18.0 - - .015 94 .0100 5.8 16 9. 1 REACH 6 CULVERT UNDER 114 FROM KENT(RT. SIDE) DEPTH END AREA DISCH (FT ) (SQ-FT ) (CFS) 18" PIPE STOR-IND METHOD 0.0 0.0 0.0 MAX. DEPTH- 1 .50 FT .2 . 1 .2 n= .015 PEAK VELOCITY= 5.8 FPS .3 .3 .8 LENGTH= 94 FT CONTACT TIME = 16 SEC .4 .4 1 .8 SLOPE= .01 FT/FT Qin = 36. 9 CFS @ 12.04 HRS 1 . 1 1 .3 7.6 Qout- 9. 1 CFS @ 11 ,80 HRS 1 .2 1 .5 8.9 ATTEN= 75 % LAG- 0.0 MIN 1 .4 1 .7 9.7 IN/OUT= 2.41 / 2.41 AF 1 .4 1 .7 9.8 1 .5 1 .8 9.7 1 .5 1 .8 9. 1 Data for W.B.KENT&SONS-PRE-DEVELOPED HYDR0LOGY( IOGYR) Page 63 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,T©PSFIELD , MA. 31JANBO droC D Release 2,40 (c ) 1986 1990 Applied Microcom uter Systems REACH 6 DISCHARGE CULVERT UNDER 114 FROM KENT(RT. SIDE) 1 .5 1 .4 1 . 3 1 . 2 1 . 1 ^ 1 . 0 .9 ' S loll PIPE . 4 . n=.015 L=94 ' S=.01 . 2 . 1 0 0m i rUn; mVr1; t� u, co co r" r� nno3mm DISCHARGE (cfs ) REACH 6 INFLOW & OUTFLOW CULVERT UNDER 114 FROM KENT(RT, SIDE) 34 30 10" PIPE 20 n=.015 L=94' 5=.01 26 24 STOR-IND METHOD 22 VELOCITY= 5. 8 FPS l8 CONTACT- 16 SEC 16 014 Gin= 36 . 9 CFS 10 _ _ Qout= 9 . 1 CFS 8 �� LAG= 0 MIN y 4 2 0m ay Cif TIME (hours ) Data for W.B.KENT&SONS-PRE-DEVELOPED HYDROLOGY( 100YR) Page 64 Prepared by THOMAS E. NEVE ASSOCIATES, INC. ,TOPSFIELD , MA. 31JAN90 HydraCAD Release 2.40 (c ) 1986 . 1990 Applied Microcca�uter .S_y_atema REACH 6 CULVERT UNDER 114 FROM KENT(RT. SIDE) QUTFLOW PEAK= 9. 1 CFS @ 11 .80 HOURS HOUR 0.00 . 10 .20 .3 .40 .50 0 0 80 .90 10.00 1 .3 .5 .4 .5 .5 .6 .7 .8 .8 1 .0 11 .00 1 1 . 1 1 .2 1 .4 1 .6 1 .8 2.2 2.8 5.3 9. 1 9. 1 12.00 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 13.00 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 9. 1 8.5 14.00 1 2.0 1 .8 1 .9 1 .7 1 .8 1 .7 1 .7 1 .6 1 .6 1 .5 15.00 1 1 .5 1 .5 1 .5 1 .4 1 .4 1 .4 1 .3 1 .3 1 .3 1 .2 16.00 1 1 .2 1 .2 1 . 1 1 . 1 1 . 1 1 . 1 1 . 1 1 . 1 1 . 1 1 .0 17.00 1 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 .9 .9 18.00 1 .9 .9 .9 .9 . 9 .9 .8 .8 .8 .8 19.00 1 .8 .8 .8 .8 .7 .7 .7 .7 .7 .7 20.00 1 .7 Data for W.B.KENT&SONS-PRE-DEVELOPED HYDROLOGY( 100YR) Page 65 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 HYdroCAD Release 2.40 (c ) 1986 . 1990 Applied Microcomputer System POND 1 to 3 �_______________=== =c=== =___-_________--_==�___-______________�� POND 1 -> REACH 5 X ,Y 3.6 2.3 C1 2) FOND ROUTING BY STOR-IND METHOD POND OUTLET SPECIAL START FLOOD PEAK PEAK Qpeak Qpeak Qpeak NO. DEVICES OUTLETS ELEV. ELEV. ELEV. STORAGE ATTEN. LAG OUT (FT) (FT ) (FT ) (AF ) (% ) (MIN) (CFS ) 1 2 - 95.2 97.5 9S.8 1 .44 94 100.5 1 .9 POND 1 POND UPSTREAM OF ELM SQ. DRIVEWAY STARTING ELEV= 96.2 FT FLOOD ELEV= 97.5 FT ELEVATION CUM.STOR STOR-IND METHOD (FT ) (AF) PEAK ELEVATION= 95.8 FT ' r 95.2 0.00 PEAK STORAGE = 1 .44 AF 95.5 .04 Qin - 31 .2 CFS @ 12.09 HRS 97.5 10.39 Qout= 1 .9 CFS @ 13.76 HRS ATTEN- 94 % LAG- 100.5 MIN IN/OUT= 2.22 / 1 . 115 A1- INVCRT (fT ) RUTLLT DCVICCG 05.2 2 4" CULV[rZT n=.015 L=G0' 05.3 24" CULVCRT n=.01 L=GO' 5=.0055'1' Ko=.S Cc=.'O CU=. TOTAL 01QC11ARGE ysVLEVATI N, f E C T 0.0 . 1 2 .3 .7 .0 05.2 1 0.0 0.0 . 1 .4 .O 1 .4 2. 1 L,J 3.O 4.0 90.2 1 0. 1 7.4 0.0 10.2 11 .7 1'.3 14.0 1U.5 10.2 10.0 07.2 1 21 . 2 1 2Y.0 2G. 1 Data for W.D.KINT&owo, mE DEVELOPED 11YOROLOGY( 100 R) rage GG rreparsd by TI10MP�C E, NEVE f1 12 %4 ,TCS , INC. ,TQr;f IELD , M;. 31,1AN00 IlvdroCAD Release 7 ,40 . (c ) 19001 , 1_050 Applied Micrwcor.iwuter ayota is POND 1 DISCHARGE POND UPSTREAM OF ELM SO. DRIVEWAY flnnd PIP-v. 7 . � - - - - - - - - - - - - - - - - - - - - - �x 97 .2 ., 97 •0 T 96 , E ram- 96 '' � 9G . 0 , 61 95 .9 I Ld 05 . E � .- •-+ W •- -- cu n.r cu ru DISCHARGE (ofu ) POND 1 INFLOW & OUTFLOW P014D UPSTREAM OF ELM 50. DRIVEWAY 90 2D STOR—IND METHOD PERK ELEV= 95 .9 FT 2� PFRK TOR= 1 _ 44 AF 22 rh- 1�i 2t� 4- thin= 31 . 2 CFS ° Ira Qoutc 1 . 9 CFS 14 LAG- 100. 5 MIN 12 � 10 4 2 in w N _00 m cm TIME (hours ) Data for W.D.KENT&SCING PRE DEVELOPED E YDROLOGY( 100YR) Page 07 fraparad by THOMAS E. NEVE ASSOCIATES, INC. ,TOPSrIELD , MA. 31J11NOO UydroCAD Release 2.40 (c ) 1 OG 1050 Applied Microcom u4ar Systems 1 POND 1 POND UPSTREAM Of ELM ;Q. DRIVEWAY QUTFLO; PE( m 1 .`0 us @_ 13,7G_IIOUR IIRUR 0.00 . 10 .20 .30 .40 .50 Go .70 O0 .00 10.00 1 0.0 0.0 0.0 . 1 .4 .4 ,4 .4 11 .00 E .4 .4 .4 .4 .4 .E .G .E .S .G I. 12.00 1 .0 1 .0 1 .2 1 .4 KG KG 1 .7 1 .7 1 .0 1 .0 13.00 1 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 14.00 E 1 .0 1 .O 1 .0 1 .0 1 .0 110 1 .0 1 .0 1 .0 1 .O 15.00 1 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 1 .7 1 .7 10.00 1 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .0 17.00 1 1 .0 1 .G KG KG 13 1 .0 1 .0 1 .G 1 .G KG 10.00 1 1 .5 1 .5 1 .5 1 .5 1 .5 KG 1 .5 K 5 1 .5 1 .11-i 10.00 1 1 .5 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 20.00 1 1 .4 POND 2 7 REACH 4 k ,Y = O.G 4.4 .1 27 POND ROUTING BY "TOR IND METHOD _ POND OUTLET SPECIAL START FLOOD PEAK r'EAK Qpeak Qpeak Qpeak NO. DEVICES OUTLETS ELCV. ELEV. ELEV. STORAGE ATTEN. LAG OUT XT ) crT ) (FT ) (An (" ) (MIN ) (c 2 1 00.2 04.0 03.0 7. 12 00 320.0 17.0 POND 2 PONDING FROM 114 CROSSCULVERT(RENT CENTER) STARTING ELEV- 00.2 FT FLOOD ELEV- 04.0 rT ELEVATION CUM.;TOR STOR IND METHOD (FT ) (Ar ) PEAK ELEVATION= 03. 9 rT 00.2 0.00 PCi1K STORAGE 7. 12 ^F 02.0 .01 Q i n - 123.7 CrS @ 1 1 ,00 11RS 04.0 7.40 Qou4= 17.E CrS @ 17.4G IIRS A TTEN= 00 % LAG= 320.0 MIN IN/OUT= 10.40 12.43 Ar INVERT (FT ) OUTLET DEVICES , 00.2 21" CULVERT n=.015 L-02' .Sw.0051%1 Ve=.2 0=0 Cd=.75 TOTAL DISCHARGE vs ELEVATIO FEET _ 0.0 1 2 13 .4 .G .G .7 .0 .0 00.2 1 0.0 0.0 . 1 .3 .G 1 .0 1 .4 1 .0 2.4 3.0 01 .2 1 3.7 4.4 5. 1 5.0 G.; 7.3 0.0 0.0 0.; 10. 1 92.2 1 10.7 11 .2 113 11 .7 11 .0 12.4 123 13.4 13.0 14.4 03.2 1 14.0 15.3 15.7 1G. 1 1G.5 iG.O 17.3 17.7 10. 1 Da"a for W.0.91NT&GONs rRE ©IVILOrED HYDROLOGY( 100YR) raga Go rrapaar/�e/d�� by TIItMAS I..� NIVE` AuCC+1CIATIG7�, INO. ,TOr;I-IELO, MA. E di tJ4.AQ Rela 5e 2.40 (c ) 1 V 1 050 Applied Micr 1.,V1'1 Le J 5 4ar-11 POND 2 DISCHARGE PONDING FROM 114 CROSSCULVERT(KENT—CENTER) f I n n r! PO 4�r r, - - - - - - - - - - - -�r J. i 93 .2 C' 92 r 92 :2 ✓' (E i 8 � Ld 90. a / (9}fie}}, gLJLVI;R I, I I DISCHAPGE (cfw ) POND 2 INFLOW a OUTFLOW PONDING FROM 114 CROSSCULVERT(KENT—CENTER) 120 i 10 STOR—IND METHOD 100 PERT{ ELEV= 93 .9 FT 90 PFRK STOR= 7 . I ? RF- 80 70 Oin= 123. 7 CFS 8Q Clout= 17 . 8 CFS S LRG= 328 MIN 20 --------- --- 10 ` - .-- W .•i .+Y +-1 W N .-1 t-1 � � . TIME (hours ) Data for W.D.€CCNT&GONG PRE DEVELOPED €IYDROLOGYt i00YR) Page GO freparad by TIICMAG E. NEVC ASSOCIATES ,/��INC. ,TOPSFICLD , MA. 31JAN90 li�'drVCAD Release 2,40 Cc ) 100E 1000 Applied Microcomputer GyOtsmA POND 2 PONDING CROM 114 CROGGCUL ERTt ENT CENTER) UTrLOW PEAK 17.0 C1"G I 17.4G II Uf'G IIOUR 0.00 . 10 .20 30 .40 .50 .G0 .70 .00 00 10.00 1 . 1 .0 1 .4 2.2 3.0 3.G 4.2 4.0 G.; G. 1 11 .00 1 0.7 7.3 0. 1 0.0 0.5 0.G 0.0 0.0 10.3 11 .2 12.00 1 11 .7 12 .; 13.3 13.7 14. 1 14.4 14.7 15.0 15.3 15.G i3.00 I 15.0 10.0 1G.2 1G.4 1G.G 1G.G 10.0 10.0 10.0 17.0 14.00 1 17. 1 17+ . 1 17.2 17.3 17.3 17.3 17.4 17.4 17.5 17.5 15.00 1 17.5 17.5 17.0 17.0 17.G 173 17.0 17.7 17.7 17.7 10.00 € 17.7 17.7 17.7 17.7 17.7 17.7 17.7 17.0 17.0 17.0 17.00 1 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 10.00 1 17.0 17.0 17.0 17.0 17.7 17.7 17.7 17.7 17.7 17.7 M O O 1 17.7 17.7 17.7 17.7 17.7 17.7 17.7 17.7 17.0 17.0 20.00 € 17.0 .. I Data for W.B.KENT&SONS POST-DEVELOPED HYDROLOGY( 10OYR) Page 70 Prepared by THOMAS E. NEVI= ASSOCIATES, INC. ,TOPSFIELD , MA. 31JANSO Hy.droGAD Release 2.40 (a ) 1986 , 1990 hpi3lipd MicrooQmQWter S ste e SUBCATCHMENT 1 to 12 SUBCATCHMENT 1 -> REACH 1 X ,Y = 2.4 5.3 G1 2> RUNOFF BY SCS TR-20 METHOD: TYPE II 24-HOUR RAINFALL= 7.0 IN SUBCAT AREA LEN SLOPE Ta WGT'D PEAK NUMBER (ACRE ) (FT ) (% } (MIN ) --- GROUND COVERS (%CN ) _ -- CN 1 63. 18 2010 2.5 64 5%30 83%55 12%93 - S8 - 71 .8 SUBCATCHMENT 1 DRAINAGE AREA SW OF 114 PERCENT CN 5.00 30 SCS TR-20 METHOD 83.00 55 TYPE II 24-HOUR 12 .00 93 RAINFALL= 7.0 IN 100.00 58 PEAK= 71 .8 CFS @ 12.67 HRS ' AREA- 63. 18 AC Tc= 64 MIN VOLUME= 11 . 19 AF LENGTH= 2010 FT SLOPE= 2.S Y. SUBCATCHMENT 1 RUNOFF DRAINAGE FIRER SW OF 114 70 65 RRER= 63. 18 AC 613 Tc= 64 MIN S5 CN= 58 50 40 SCS TR-20 METHOD 35 TYPE II 24-HOUR 30 RAINFALL= 7 . 0 IN 0 25 20 PEAK= 71 . 8 CFS 15 @ 12 .67 HRS 10 OLUME= 11 . 19 AF 5 TIME (hours ) Date for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 71 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 droG D Release 2.40 (c ) 1986 1990 Apglied Microcomputer Systems SUBCATCHMENT I DRAINAGE AREA 5W OF 114 RUNOFF PEAK= 71 .8 CFS @ 12.67 HOURS HOUR 0.00 0 .20 0 40 .50 0 .70 .80 .90 10.00 1 0.0 0.0 0,0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 .00 1 0.0 . 1 .2 .3 .S .7 1 . 1 1 .6 2.7 5.0 12.00 1 10. 1 18.5 30. 1 43.9 56.9 66 .3 70.9 71 .7 68.9 63.8 13.00 1 56.9 49.8 43.8 38.B 34.6 31 .0 27.9 25.3 23.0 21 . 1 14.00 1 19.4 18.0 16.7 15.6 14.7 13.8 13. 1 12.4 11 .9 11 .4 1S.00 1 10. 9 10.6 10.2 9.9 9.6 9.3 9. 1 8.8 8.6 8.4 16.00 1 8.2 8. 1 7.9 7.7 7.5 7.3 7.2 7.0 6.9 6.8 17.00 1 6.6 6.5 6.5 6.4 6.3 6.2 6. 1 6. 1 6.0 5. 9 18.00 1 5.8 5.8 5.7 5.6 5.6 5.5 S.4 5.4 5.3 S.2 19.00 1 5.2 5. 1 5,0 5.0 4.9 4.8 4.8 4.7 4.6 4.6 20.00 1 4.5 SUBCATCHMENT 3 -? POND 1 X ,Y = 2.6 3,7 C1 27 RUNOFF BY SCS TR-20 METHOD: TYPE II 24-HOUR RAINFALL- 7.0 IN - SUBCAT AREA LEN SLOPE Tc WGT'0 PEAK NUMBER (ACRE ) (FT ) (% ) (MIN ) --- GROUND COVERS ( Y.CN ) ---- ON C (CFS) 3 5.96 770 1 .3 21 43%93 30%93 27%S5 - 83 - 31 .2 SUBCATCHMENT 3 ELM SQUARE ORAINAGE PERCENT ON 43.00 93 SGS TR--20 METHOD 30.00 93 TYPE 11 24-HOUR 27.00 55 RAINFALL= 7.0 IN 100.00 83 PEAK= 31 .2 CFS @ 12,09 HRS AREA= 5.96 AC Tc- 21 MIN VOLUME= 2.22 AF LENGTH- 770 FT SLOPE= 1 .3 % Data For W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 72 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD, MA. 31JAN90 droCAO Release 2 .40 (c ) 198E 1990 Apglied Microco uter 5 st ms SUBCATCHMENT 3 RUNOFF" ELM SQURRE DRAINAGE 30 28 AREA= 5 .96 AC 26 - 24 To= 21 MIN .. 22 CN= 83 18 SCS TR-20 METHOD `� 16 TYPE II 24-HOUR 14 RRINf ALL- 7 . 0 IN O 12 1 PERK= 31 .2 CF'S 8 0 12 ,09 HRS Fi 4 VOLUME= 2. 22 AF 2 0� -w cu ro �r u� co n. crs rJr �s TIME (hours ) SUBCATCHMENT 3 ELM SQUARE DRAINAGE RUNOFF PEAK= 31 .2 CFS @ 12.03_ HOUR�" HOUR 0.00 . 1 .20 .3 .40 .50 .60 .70 .80 .9 10.00 € .7 .8 .8 .9 .9 1 .0 1 . 1 1 .2 1 .3 1 .4 11 .00 1 1 .5 1 .6 1 .8 2.0 2.3 2.6 3. 1 4.9 9.0 16.7 12 .00 1 27.2 31 .2 24.5 16. 1 10.8 7.8 5.9 4.7 3.9 3.4 13.00 1 3.0 2.7 2.5 2.4 2.2 2. 1 2.0 1 .9 1 .8 1 .7 14.00 1 1 .7 1 .6 1 .5 1 .5 1 .4 1 .4 1 .4 1 .3 1 .3 1 .3 15.00 1 1 .2 1 .2 1 .2 1 .2 1 . 1 1 . 1 1 . 1 1 . 1 1 .0 1 .0 15.00 1 1 .0 .9 . 9 .9 .9 .9 .9 .9 .9 .8 17.00 1 .8 .8 .8 .8 .8 .8 .8 .8 .8 .7 18.00 1 .7 .7 .7 .7 .7 .7 .7 .7 .7 .6 19.00 1 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 20.00 1 .5 SUBCATCHMENT 6 REACH 2 X ,Y 4.0 7.2 C1 2? RUNOFF BY SCS TR-ZO METHOD: TYPE II Y4-HOUR RAINFALL- 7.0 IN SUBCAT AREA LEN SLOPE Tc WGT'D PEAK NUMBER (ACRE) (FT ) ( % ) (MIN ) --- GROUND CODERS ( %CN) ---- CN C (CF5 )_ 6 21 .63 1500 3.0 51 40%S5 40%30 20%98 - 54 - 23.4 Data for W.B.KENT&SANS-POST-DEVELOPED HYDROLOGY( 100YR) Page 73 Prepared by THOMAS E. NEVE ASSOCIATES, INC. ,TOPSFIELD, MA. 31JANOO HydroCAD Release 2.40 (c ) 1986 . 1990 Applied Microcomputer_Sv5tem5 -- -- SUBCATCHMENT 6 FLAW FROM RIPARIAN PARK INTO R-2 PERCENT PN- 40.00 55 SCS TR-20 METHOD 40.00 30 TYPE II 24-HOUR 0.00 98 RAINFALL= 7.0 IN 100.00 54 PEAK= 23.4 CFS @ 12.61 HRS AREA= 21 .63 AC Tc= 51 MIN VOLUME- 3.22 AF LENGTH= 1500 FT SLOPE= 3.0 SUBCATCHMENT 6 RUNOFF PLOW FROM RIPARIAN PRRK I14TO R-2 22 20 AREA= 21 . 63 AC Tc= 51 MIN 16 CN- 54 16 14 SCS TR-20 METHOD U 12 TYPE II 24-HOUR 10 RAINFALL= 7 .0 IN a $ -� PERK- 23 .4 CFS �. 6 @ 12. 51 HRS 4 VOLUME- 3. 22 AF 2 0 -" RJ m It to cD N 0a C7 TIME (hours ) SUBCATCHMENT B FLOW FROM RIPARIAN PART( INTO R-2 RUNOFF PEAK= 23.4 CFS @ 12.51 HOURS HOUR 0100 . 10 .20 .30 .40 .50 .60 .70 .80 .90 10.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 .00 1 0.0 0.0 0.0 0.0 0.0 0.0 . 1 .2 .6 1 .7 12.00 1 4. 1 8.2 13.6 18.8 22.2 23.4 22.7 20.7 18.0 16.3 13.00 1 13.2 11 .4 10.0 8.9 7. 9 7. 1 6.5 5.9 5.5 5. 1 14.00 1 4.7 4.5 4.2 4.0 3.8 3.6 3.4 3.3 3.2 3. 1 15.00 1 3.0 2.9 2.9 2.8 2.7 2.7 2.6 2.6 2.S 2.5 16 .00 1 2.4 2.4 2 .3 2.2 2.2 2. 1 2. 1 2. 1 2.0 2.0 17.00 1 2.0 1 .9 1 .9 1 .9 1 .9 1 .9 1 .8 1 .8 1 .8 1 .8 18.00 1 1 .8 1 .7 1 .7 1 .7 1 .7 1 .7 1 .6 1 .6 1 .6 1 .6 19.00 1 1 .6 1 .5 1 .5 1 .5 1 .5 1 .5 1 .4 1 .4 1 .4 1 .4 20.00 1 1 .4 SUBCATCHMENT 7 -> POND 3 X ,Y 6.7 2.4 <1 2> RUNOFF BY SCS TR-20 METHOD: TYPE II 24-HOUR RAINFALL- 7.0 IN SUBCAT AREA LEN SLOPE Tc WGT'D PEAK UMBER (ACRE ) (FT ) ( % ) (MIN ) -- G OUND COVERS ( %CN ) ----- CN C (CFS ) Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 74 Prepared by THOMAS E. NE VE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 Hy-droCAD Release 2,40 (c ) 1986 1990 Applied Microcomouter Systems 7 7.80 1000 1 .6 34 46%SS 38%77 16%98 - 70 - 22.3 SUBCATCHMENT 7 DRAINAGE AREA IN SE CORNER OF KENT SITE PERCENT CN 46.00 S5 SCS TR-20 METHOD 38.00 77 TYPE II 24--HOUR 16.00 98 RAINFALL= 7.0 IN 100.00 70 PEAK= 22.3 CFS @ 12.25 HRS AREA= 7.80 AC Tc= 34 MIN VOLUME- 2. 14 AF LENGTH= 1000 FT SLOPE= 1 .6 SUBCATCHMENT 7 RUNOFF DRAINAGE RRER IN SE CORNER OF KENT SITE 2 AREA= 7. 8 RC 18 To= 34 MIN 16 CN= 70 SCS TR-20 METHOD TYPE II 24-HOUR 10 RAINFALL- 7 . 0 IN 0 (3 1L g PERK- 22.3 CFS 4 e 12 .2E HRS VOLUME- 2. 14 AF 2 �� ru m '�r In Q N w m Ca TIME (hours ) SUBCATCHMENT 7 DRAINAGE AREA IN SE CORNER OF KENT SITE RUNOFF PEAK= 22.3 CFS @ 12.2S HOURS HOUR 0.00 . 10 .20 .30 .40 .50 .60 .70 .80 .90 10.00 1 .2 .3 .3 .3 .4 .4 .4 .S .S .6 11 .00 ! .7 .8 .9 1 .0 1 . 1 1 .3 1 .6 2. 1 3.3 6. 1 12.00 1 11 .3 17.6 21 .8 21 .7 1B.7 14.7 11 .3 8.9 7.2 5.9 13.00 1 4.9 4.2 3.7 3.3 3.0 2.8 2.6 2.4 2.2 2. 1 14.00 1 2.0 1 .9 1 .8 1 .8 1 .7 1 .6 1 .6 1 .5 1 .5 1 .6 15.00 1 1 .4 1 .4 1 .4 1 .4 1 .3 1 .3 1 .3 1 .2 1 .2 1 .2 16.00 1 1 .2 1 . 1 1 . 1 1 . 1 1 .0 1 .0 1 .0 1 .0 1 .0 1 .0 17.00 1 1 .0 1 .0 .9 .9 . 9 .9 .9 .9 .9 .9 18.00 1 .9 .8 .8 .8 .8 .8 .8 .8 .8 .8 19.00 1 .7 .7 .7 .7 .7 .7 .7 .7 .7 .7 20.00 1 .6 SUBCATCHMENT 8 > POND 2 X ,Y = 8.6 7.2 C1 1> Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 75 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD, MA. 31JAN90 droCAQ Relea5e 2.40 (c ) 1986 , 1990 Agglied Mic ocom ute S stems RUNOFF BY SCS TR-20 METHOD: TYPE II Z4-HOUR RAINFALL= 7.0 IN SUBCAT AREA LEN SLOPE Tc WGT'D PEAK UMBER ( C E ) (FT ) (% ) N) GEOUNO COVERS (%C ) --- CN C . C S) 8 1 .67 380 2.6 10 42%93 13%98 4S%55 - 77 - 10.3 SUBCATCHMENT 8 DRAINAGE AREA SW OF KENT DRIVEWAY PERCENT CN 42,00 93 SCS TR-20 METHOD 13.00 98 TYPE II 24-HOUR 45.00 55 RAINFALL= 7.0 IN 100.00 77 PEAK= 10.3 CFS @ 11 .97 HRS AREA= 1 .67 AC Tc= 10 MIN VOLUME- .55 AF LENGTH= 380 FT SLOPE= 2.6 I SUBCHTCHMENT 8 RUNOFF" DRAINAGE AREA SW OF KENT DRIVEWAY g , ARER= 1 . 67 RC $ . 0 To= 10 MIN 7 . 5 CN= 77 7 .0 SCS TR-20 METHOD ° 5. TYPE II 24-HOUR 4 S RAINFALL= 7 . 0 IN 4 . 0 5 , 0 PERK= 10. 3 CFS 25 2 . 0 @ 11 .97 HRS 1 . 5 VOLUMES . 55 RF 0. 0 ru m v in co N co am @ TIME (hours ) SUBCATCHMENT 8 DRAINAGE AREA SW OF KENT DRIVEWAY RUNOFF PEAK= 10.3 ,CFS @ 11 ._97 HOURS HOUR 0.00 . 10 20 .30 .40 .SO .60 .70 .8 .90 10.00 1 . 1 .2 .2 .2 .2 .2 .2 .3 .3 .3 11 .00 1 .4 .4 .4 .5 .6 .7 1 .2 2.5 4.7 8.9 12.00 1 9.9 4.9 2.4 1 .7 1 .3 1 . 1 .9 .8 .8 .7 13.00 1 .7 .6 .6 .6 .5 .5 .5 .5 .4 .4 14.00 1 .4 .4 .4 .4 .4 .4 .3 .3 .3 .3 15.00 1 .3 .3 .3 .3 .3 + .3 .3 .3 .3 .3 16.00 1 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 17.00 1 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 18.00 1 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 19.00 1 .2 .2 .2 ,2 .2 .2 . 1 . 1 . 1 . 1 20.00 1 . 1 i Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 10OYR) Page 76 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 droCAD R lease 2.40 (c ) 1986 1990 Agplied Microcomputer Systems SUBCATCHMENT 9 ) REACH 7 X ,Y = 5.9 1 .0 .1 1> RUNOFF BY SCS TR-20 METHOD: TYPE II Z4-HOUR RAINFALL= 7.0 IN SUBCAT AREA LEN SLOPE Tc WGT'D PEAK NUMBER (ACRE ) (FT ) (% ) (MIN ) - GROUND COVERS (%CN) ON C (CFS ) 9 .37 180 2.8 6 49%55 51%93 - - 74 - 2.4 SUBCATCHMENT 9 DRAINAGE AREA NE OF KENT DRIVEWAY PERCENT CN 49.00 55 SCS TR-20 METHOD 51 .00 93 TYPE II 24-HOUR 100.00 74 RAINFALL= 7.0 IN AREA= .37 AC Tc= 6 MIN PEAK= 2.4 CFS @ 11 .91 HRS LENGTH= 180 FT SLOPE= 2.8 % VOLUME= . 11 AF SUBCATCHMENT 9 RUNOFF DRAINAGE AREA NE OF KENT DRIVEWAY 2. 4 2• RRER= . 37 RC 2 . 0 To= 6 MIN 1 . 0 CN= 74 1 . 6 ti 1 . 4 SCS TR-20 METHOD 1 . 2 TYPE II 24•-HOUR 1 . RAINFALL.= 7 . 0 IN -a PERK= 2 . 4 CFS @ 11 . 91 HRS . 4LJ VOLUME= . 11 AF . 2 0. 00 cu m v- In w N co cn 0 TIME (hours ) Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 77 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 Hv�droCAD Releas 2.40 (c ) 1986 1990 Applied Microcomputer Systems SUBCATCHMENT 9 DRAINAGE AREA NE OF KENT DRIVEWAY RQNOFF .PEAKm 2.4 CFS @ 11 .91 HOURS HOUR 0,00 0 .20 30 .40 .50 0 0 .80 .90 10.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 . 1 . 1 . 1 11 .00 1 . 1 . 1 . 1 . 1 . 1 .2 .3 .7 1 .3 2.4 12.00 1 1 .6 .5 .3 .3 .2 .2 .2 .2 .2 . 1 13.00 1 . 1 . 1 . 1 . 1 . 1 . 1 . 1 . 1 . 1 . 1 14.00 1 . 1 . 1 . 1 . 1 . 1 . 1 . 1 . 1 . 1 . 1 15.00 1 16.00 1 . 1 . 1 . 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20.00 1 0.0 SUBCATCHMENT 10 REACH 9 X ,Y 7.3 6.7 C1 1> RUNOFF BY SCS TR-20 METHOD: TYPE II 24-HOUR RAINFALL- 7.0 IN SUBCAT AREA LEN SLOPE To WGT'D PEAK NUMBER (ACRE) (FT ) % (MIN) GROUND COVERS (%CN) --- ON C (CFS) 10 .36 450 .7 10 100%98 - - - 98 - 2.9 SUBCATCHMENT 10 FRONT 1/7 OF BUILDING AND LEFT SIDE DRIVE --PERCENJ ON 100.00 98 SOS TR-20 METHOD TYPE II 24-HOUR AREA= .36 AC Tc= 10 MIN RAINFALL= 7.0 IN LENGTH= 450 FT SLOPE= .7 % PEAK- 2.9 CFS @ 11 .96 HRS VOLUME= . 16 AF Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 78 Prepared by THOMAS E. NEVE ASSOCIATES, INC. ,TOPSFIELD , MA. 313ANSO HydrOCAD Release 2.40 (c ) 1986 . 1990 ApRlie_d___Microcomouter System SUBCATCHMENT 10 RUNOFF FRONT 1/2 OF BUILDING AND LEFT SIDE DRIVE 2 . 8 2 . 6 AREA= .36 FCC 2 . 2 Tc= 10 MIN 2 . 2 CN= 98 1 .8 1 . 8 SCS TR�-20 METHOD v 1 , 4 TYPE II 24-HOUR RAINF9LL= 7 . 0 IN 1 .0 , g PEAK= 2 .9 CFS LL. .6 @ 11 .9E HRS , 4 VOLUME- . 16 AF . 2 0.0 €v rn u� ca N m cn cs TIME (hours ) SUBCATCHMENT 10 FRONT 1/2 OF BUILDING AND LEFT SIDE DRIVE RUNOF PEAK= 2.9 CFS 11 .96 HOURS HOUR 0.00 . 10 .20 .30 40 .50 .60 .70 .80 .90 10.00 1 . 1 . 1 . 1 . 1 . 1 . 1 . i . 1 . ! .2 11 .00 1 .2 .2 .2 .2 .3 .3 .5 .9 1 .6 2.7 12.00 1 2.8 1 .3 .6 .4 .3 .3 .2 .2 .2 .2 13.00 1 .2 .2 . 1 . 1 . 1 14.00 1 . 1 i5.00 1 . ! 16.00 1 . 1 17.00 1 . 1 . 1 . 1 . I . 1 0.0 0.0 0.0 0.0 0.0 18.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20.00 1 0.0 SUBCATCHMENT 11 -> REACH 8 X ,Y W 8.0 3.3 <1 0 RUNOFF BY SCS TR-20 METHOD. TYPE II 24-HOUR RAINFALL- 7.0 IN SUBCAT AREA LEN SLOPE Tc WGT'D PEAT( UMBER (ACRE ) (FT ) (% ) (MIN ) --- GROUND COVERS ( %C ) - CN C (CFS1 11 . 19 450 .7 10 100%98 - - - 98 1 .5 Data for W.B.KENT&SONS-POSTTDEVELOPED HYDROLOGY( 100YR) Page 79 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 d oCAD R i se 2.40 ( ) 1986 , 1,990 Agolied Microcomputer Systems SUBCATCHMENT it RIGHT SIDE OF DRIVE DRAINAGE PERCENT -ON SOS TR-20 METHOD100.00 98 TYPE II 24-HOUR AREA= . 19 AC Tc= 10 MIN RAINFALL= 7.0 IN LENGTH= 450 FT SLOPE= .7 % PEAK= 1 .5 CFS @ 11 .96 HRS VOLUME= .09 AF SUBCRTCHMENT 11 RUNOFF RIGHT SIDE OF DRIVE DRRINFIGE 1 . 4 ARER= . 19 AC 1 . 3 1 . 8 To= 10 MIN 1 . 1 CN= 98 0 • 9 SCS TR-20 METHOD o . 8 TYPE II 24-HOUR v • 2 RRINFRLL= 7 . 0 IN m . 6 t� . 5 . 4 PERK= 1 . 5 CFS C 11 .96 HRS . 3 -. VOLUME= .09 RF . 1 • 0i11 RI rn In CD N 00 cn � TIME (hours ) SUBCATCHMENT 11 RIGHT SIDE OF DRIVE DRAINAGE RUNOFF P -AK= 1 .5 CFS @ 1 1 .96 HOURS HOUR 0.00 . 10 .20 .30 40 .50 .60 .70 _.80 .90 11 .00 1 . 1 . 1 . 1 . 1 . 1 . i .2 .5 .8 1 .4 12.00 1 1 .5 .7 .3 .2 .2 13.00 14 .00 1 . 1 . 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15.00 ( 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20.00 1 0.0 SUBCATCHMENT 12 -? REACH 3 X ,Y = 6 . 1 6.6 <1 0 RUNOFF BY SCS TR-20 METHOD: TYPE II Z4-HOUR RAINFALL- 7.0 IN SUBCAT AREA LEN SLOPE Tc WGT'D PEAK NUMBER (ACRE.) (FT ) (MIN ) --- GROUND COVERS ( %CN) ---- CN C (CFS) Data for W.B.RENT&SONS-POST-DEVELOPED HYDROL.OGY( 100YR) Page 80 Prepared by THOMAS E. NEVE ASSOCIATES, INC. ,TOPSFIELD , MA. 31JAN90 N dr CAD Release 2.4 (c ) 1986 1990 Applied Microcomputer Systems 12 17.00 600 2.5 7 90%98 10%93 97 - 150.7 SUBCATCHMENT 12 FLOW NORTHEAST OF RENT INTO R-3 PERCENT 90.00 98 0 SCS TR-20 METHOD 10.00 93 TYPE II 24--HOUR 100.00 97 RAINFALL- 7.0 IN AREA- 17.00 AC Tc= 7 MIN PEAK= 1SO.7 CFS @ 11 .91 HRS LENGTH= 600 FT SLOPE= 2.S % VOLUME= 7.61 AF SUBCRTCHMENT 12 RUNOFF FLOW NORTHERST OF KENT INTO R-3 150 14p RRER= 17 RC 1313 1213 Tc= 7 MIN 11d CN= 97 100 4- 90 SCS TR-20 METHOD 80 TYPE 11 24-HOUR 70 RAINFALL= 7. 0 IN 60 A PERK= 150. 7 CFS 3 @ 11 .91 HRS 20 VOLUME= 7.61 RF 10 0m -w cu cn r M C n cup m m cu TIME (hours) SUBCATCHMENT 12 FLOW NORTHEAST OF KENT INTO R-3 RUNOFF PEAK= 1SO.7 CFS @ 11 .91 HOUR HOUR 0.00 . 10 20 30 .40 .50 .60 .70__. .80 .90 10.00 1 4.5 4.7 5.0 5.3 5.6 5.9 6.2 6.7 7.2 7.7 11 .00 1 8.2 8.9 10.0 11 .2 12.3 14.3 28.4 54.2 91 .5 150.3 12 .00 1 109.3 37.2 21 .8 17.5 14.7 12. 1 10.3 9.5 8.9 8.3 13.00 1 7.7 7.2 6.8 6.5 6.2 5.8 5.5 5.3 5.0 4.8 14.00 1 4.6 4.4 4.3 4.2 4. 1 4. 1 4.0 3.9 3.8 3.7 16.00 1 3.6 3.6 3.5 3.4 3.3 3.2 3. 1 3. 1 3.0 2.9 16.00 1 2.8 2.7 2.7 2.7 2.7 2.6 2.6 2.6 2.5 2.5 17.00 1 Z.S 2.4 2.4 2.4 2.4 2.3 2.3 2.3 2.2 2.2 18.00 1 2.2 2. 1 2. 1 2. 1 2. 1 2.0 2.0 2.0 1 .9 1 .9 19.00 1 1 .9 1 .8 1 .8 1 .8 1 .8 1 .7 1 .7 1 .7 1 .6 1 .6 20.00 1 1 .6 Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 81 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 droGAD Release 2.4 (c ) } 86 1990 Applied Microcomi3uter S ste s REACH 1 to g REACH 1 REACH 2 X ,Y 3.9 5.3 C1 1 > REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN) (FT ) (FT ) (FT/FT ) T ) (FT/FT) (FPS ) (SEC) ( CFS ) 1 21 .0 - - - - .015 78 .0073 S.5 14 11 .7 REACH 1 CULVERT UNDER 114 TO RIPARIAN PARK DEPTH END AREA DISCH (FT ) (SQ-FT ) (CFS ) 21 " PIPE STOR-INO METHOD 0.0 0.0 0.0 MAX. DEPTH= 1 .75 FT .2 . 1 .2 n= .015 PEAK VELOCITY= 5.5 FPS .4 .3 1 .0 LENGTH= 78 FT CONTACT TIME = 14 SEC .5 .6 2.3 SLOPE= .0073 FT/FT Qin = 71 .8 CFS @ 12.67 HR5 1 .2 I .B 9.8 Qout= 11 .7 CFS @ 12. 10 HRS 1 .4 2. 1 11 .5 ATTEN= 84 % LAG= 0.0 MIN 1 .6 2.3 12.5 IN/OUT= 11 . 19 / 7.94 AF 1 .6 2.3 12.6 1 .7 2.4 12.5 1 .8 2.4 11 .7 REACH 1 DISCHARGE CULVERT UNDER 114 TO RIPARIAN PARK 1 . 7 1 . 6 1 . 4 1 . 3 1 . 2 . 9 x .8 - . 7 ;5 21 " PIPE . 4 n=. 015 L=78' S-. 0073 . 3 . 2 . 1 0. 0� ns m sr �n co n as m m sv DISCHARGE (cfs ) Data for W.B.KENT&SON5-POST-DEVELOPED HYDROLOGY( 10OYR) Page 82 Prepared by THOMAS E. NEVE ASSOCIATE'S , INC. ,TQPSFIELD , MA. 31JANOO droCAD R 1 ase 2.40 (c ) 1986 1990 Applied Micr000mouter System REACH 1 INFLOW & OUTFLOW CULVERT UNDER 114 TO RIPARIRN PARK 70 65 21 " PIPE G0 n=. 015 L=78 ' S=. 0073 55 513 STOR-IND METHOD u45 VELOCITY= 5. 5 FPS 35 CONTACT= 14 SEC o 250 Qin= 71 . 8 CFS LL 20 Gout= 11 . 7 CFS 15 LAG= 0 MIN ------10 5 ----� 0O co m tr in cn r. w (7) c� TIME (hours ) REACH 1 CULVERT UNDER 114 TO RIPARIAN PARK OUTFLOW PEAK= 1 1 .7 CFS _@ 12. 10 HOURS HOUR 0.00 10 .20 .30 .40 50 .60 .70 _ ._80 ._90 . 10.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 .00 1 0.0 . 1 .2 .3 .5 .7 1 . 1 1 .6 2.7 4.9 12.00 1 9.8 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 13.00 1 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 14.00 1 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 15.00 1 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 16 .00 € 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 17.00 1 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 18.00 1 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 19.00 1 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 11 .7 20.00 1 11 .7 REACH 2 -> REACH 3 X ,Y 5.4 5.3 41 2> REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO, DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN) (FT ) (FT ) (FT/FT ) (FT) (FT/FT ) (FPS ) (SEC) (CFS ) 2 - 12.0 1 .8 2.00 2.00 .045 1200 .0037 2.2 553 36. 1 Data for W.B.KENT&SONS•-POST-DEVELOPED HY©R0L0GY( 10OYR)•. Page 83 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD, MA. 31JANSO Hy roCAD Release 2,40 1988 990 Applied i rococo uta S st m (TEACH 2 STREAM THRU RIPARIAN PARK DEPTH END AREA OISCH (FT ) (SQ-FT_)_ (CFS.) 12' x 1 .8' CHANNEL STOR-IND METHOD 0.0 0.0 0.0 SIDE SLOPE= 2 '/' MAX. DEPTH- 1 .31 FT .2 2.2 1 .4 n= .045 PEAK VELOCITY= 2.2 FPS .4 4.4 4.3 LENGTH- 1200 FT CONTACT TIME = SS3 SEC .5 6.6 8.4 SLOPE- .0037 FT/FT Qin = 37. 1 CFS @ 12.52 HR5 .8 9.6 15.2 Qout= 36. 1 CFS @ 12.63 HRS 1 . 1 13.5 26 . 1 ATTEN= 3 % LAG= 6.9 MIN 1 .4 18.3 41 .6 IN/OUT= 12.49 / 12.23 AF 1 .8 23.2 59.7 REACH 2 DISCHARGE STREAM THRU RIPARIAN PORK 1 .8 1 . 7 1 . 6 1 . 5 1 . 4 1 .3 1 .2 1 . 0 . 9 x , 0 CL A . 5 12 ' x 1 .8 ' CHANNEL . 4 SIDE SLOPE= 2 .3 n-. 045 L-1200' S-.0037 . 1 0.0 Lri �1 tf3 6i tf7 l!? I$1 II3 @ 117 p1 DISCHARGE (cfs ) REACH 2 INFLOW & OUTFLOW STREAM THRU RIPARIAN PARK 36 , 34 ,r 12 ' x 1 .8' CHANNEL 30 SIDE SLOPE= 2 28 'S n=. 045 L=1200' S=.0037 26 r` 24 I '\ u 2 i STOR--IND METHOD 2 8 I VELOCITY 2 . 2 FPS T= 553 SEC 14 12 J Qin= 37. 1 CFS 9 Qout= 36. 1 CFS 4 LAG- 6 . 9 MIN 1 2 ' cu t r7 St Ln CCf F� 0 61 6! TIME (hours) Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 84 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD, MA. 31JANSO droC D Release 2.4 ( ) 1986 1990 Anglied Mi ro o jauter teas REACH 2 STREAM THRU RIPARIAN PARK QQTFLOW PEAK= 38 . 1 CFS@12.63 HOURS HOUR 0.00 . 10 .20 .30 .40 .50 .60 .70 80 .90 10.00 1 0.0 010 0.0 0.0 . 1 . 1 .2 .2 .3 .4 11 .00 1 .4 .4 .5 .6 .6 .8 .9 1 . 1 1 .6 3.0 12.00 1 6. 1 11 .8 18.5 25.0 30.8 34.5 36.0 35.7 34.0 31 .7 13.00 1 29.3 27.3 25.6 24.3 23. 1 22 . 1 21 .3 20.6 20.0 19.5 14.00 1 19. 1 18.7 18.4 18. 1 17.9 17.7 17.5 17.3 17.2 17.0 15.00 € 16.9 16,8 16.7 16.7 16.6 16.5 16.4 16 .4 16.3 16.2 16.00 1 16.2 16. 1 16.0 16.0 15. 9 15.8 15.8 15.7 15.7 155.6 17.00 1 15.6 15.5 15.5 15.5 15.4 15.4 15.4 15.3 15.3 15.3 18.00 1 15.2 15.2 15.2 15.2 15. 1 15. 1 15. 1 15.0 15.0 15.0 19.00 1 15.0 14.9 14.9 14.9 14.8 14.8 14.8 14.7 14.7 14.7 20.00 1 14.6 REACH 3 -> POND 2 X ,Y = 7.2 5.3 C1 1 > REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN) (FT ) (FT ) (FT/FT ) (FT ) (FT/FT ) (FPS ) (SEC ) (CFS ) 3 - 12.0 1 .6 2.00 2.00 .045 1500 .0037 3.0 494 120. 1 REACH 3 STREAM BEHIND ELM SQ. THRU KENT SITE DEPTH END AREA DISCH (FT ) (SQ-FT ) (CFS ) 12' x 1 .8' CHANNEL STOR-IND METHOD 0.0 0.0 0.0 SIDE SLOPE- 2 '/' MAX. DEPTH= 3.00 FT .2 2.2 1 .4 n= .045 PEAK VELOCITY= 3.0 FPS .4 4.4 4.3 LENGTH= 1500 FT CONTACT .TIME = 494 SEC .5 6.6 8.4 SLOPE= .0037 FT/FT Qin - 1S3.9 CFS @ 11 .91 HRS .8 9.6 15.2 Qout= 120. 1 CFS @ 12.00 HRS 1 . 1 13.5 26. 1 ATTEN- 22 Y LAG= 5.3 MIN 1 .4 18.3 41 .6 IN/OUT= 19.85 / 19.50 AF 1 .8 23.2 59.7 Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 85 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JANSO HlvdroCAD Release 2_.40 (_c ) 198G� 1990 A lied MicrocoM uter 5 stemg REACH 3 DISCHARGE STREAM BEHIND ELM SO. THRU KENT SITE 1 . 8 1 .7 1 .8 1 .4 1 . 3 1 . 2 1 . 8 9 z .. 8 . 7 � .5 12 ' x 1 .8 ' CHANNEL . 4 SIDE SLOPE= 2 .3 n=. 045 L-1500' S=. 0037 .2 1 0'.0m Lo w in m �n m u r m in ►n �i N m m DISCHRRGE (cfs) REACH 3 INFLOW 8 OUTFLOW STREAM BEHIND ELM SQ. THRU KENT SITE 150 140 12 ' x 1 . 8 ' CHANNEL I30 SIDE SLOPE= 2 120 n=.045 L=1S00' S-. 0037 110 100 y 90 t STOR-•IND METHOD u BO VELOCITY= 3 FPS 70 CONTACT= 494 SEC B0 ; 50 Qin= 153 . 9 CFS !i 40 E Y 30 Qout= 120. 1 CFS 20 r G 5 . 3 MIN 10 0m -y eu e�7 v u; co n ao cn tsi TIME (hours ) i Data for W.B.K ENT&SONS-POST-DEVELOPED HYDROLOGY( 1(DOYR) Page 87 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 313AN90 d oCAD Release 2..4 (c ) 1986 , 1990 Applied Micrgconputer Systems REACH 4 DISCHARGE CULVERT X—ING 114 IN CENTER OF KENT SITE 1 . 7 1 .6 1 .4 ' 1 .3 * 1 . 0 . 9 [L . 6 La , 5 21 " PIPE . 4 n=.015 L=82 ' S=. 0048 . 3 . 2 . 1 0. 0 cu m v- ir-, W DISCHARGE (cfs ) REACH 4 INFLOW & OUTFLOW CULVERT X—ING 114 IN CENTER OF KENT SITE 21 " PIPE n=. 015 L=82 ' S=. 0048 5 14 13 STOR—IND METHOD 2 VELOCITY= 4 . 5 FPS W lg ----------------C.OATRCT__.I B- SEC 0 8 Qin= 19 . 3 CFS -1 6 Qout= 9 . 5 CFS LAG= 0 MIN 3 0m tv r� d rn rls r� ao m m TIME (hours ) i i Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 88 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 droC O Release 2.40 (c ) 1986 1990 A li d Microcomputer Sy5tgms REACH 4 CULVERT X-ING 114 IN CENTER OF KENT SITE OUTFLOW PEAK= 9.5 CFS @__1_ .00 HOURS HOUR 0.00 . 10 .20 30 40 50 .60 .70 .80 .90 10.00 1 0.0 0.0 0.0 0.0 0.0 0.0 . 1 . 1 .2 .3 11 .00 1 .4 .6 .8 1 . 1 1 .4 1 .8 2.4 3.4 5.7 9.2 12.00 1 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.S 9.5 13.00 1 9.5 9.5 9.6 9.5 9.5 9.5 9.5 9.5 9.5 9.5 14.00 1 9.5 9.5 9.S 9.5 9.5 9.5 9.5 9.S 9.5 9.5 15.00 1 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 16.00 1 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 17.00 1 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 18.00 1 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 19.00 1 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 20.00 1 9.5 REACH 5 -> REACH 2 X ,Y = S.5 3.7 C1 2> REACH ROUTING BY STAR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN ) (FT ) (FT ) (FT/FT ) (FT) (FT/FT ) (FPS ) (SEC ) (CFS ) 5 24.0x2 - - - .015 60 .0035 2.3 26 2.2 REACH 5 TWIN CULVERTS UNDER ELM SQ. DRIVE DEPTH END AREA DISCH (FT ) (SQ-FT ) (CFS ) 24" PIPE X 2 STOR-IND METHOD 0.0 0.0 0.0 MAX. DEPTH= .41 FT .2 .3 .5 n- .015 PEAK VELOCITY= 2 .3 FPS .4 . 9 2.0 LENGTH= 60 FT CONTACT TIME = 26 SEC .6 1 .6 4.5 SLOPE= .0035 FT/FT Qin 2.2 CFS @ 13.46 HRS 1 .4 4.7 19.4 Qout= 2.2 CFS @ 13.48 HRS 1 .6 5.4 22.7 ATTEN= 0 % LAG= 1 . 1 MIN 1 .8 6.0 24.7 IN/OUT- 1 .34 / 1 .34 AF 1 .9 6. 1 25.0 1 .9 6.2 24.7 2.0 6.3 23.2 Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 1100YR) Page 89 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JANSO droC D Belease 2.40 c ? 198g , 1990 Agglied Microcomputer Systems REACH 5 DISCHARGE TWIN CULVERTS UNDER ELM SO. DRIVE 2 . 0 1 .8 1 . 6 1 . 4 � 1 . 2 1 . 0 i- . 8 a_ w , 6 24 " PIPE X 2 . 4 n=. 015 L=60' S=. 0035 . 2 0. 0m r� ca r rc co m cu v DISCHARGE (cfs ) REACH 5 INFLOW & OUTFLOW TWIN CULVERTS UNDER ELM SO. DRIVE 2 .0 ``` 24 " PIPE X 2 1 . 8 n=. 015 L=�0' S= 0035 1 .6 1 . 4 STOR--IND METHOD VELOCITY= 2 . 3 FPS 1 . 2 CONTRCT= 26 SEC 1 .0 C? . 8 Oin= 2 . 2 CFS . 6 Clout= 2 . 2 CFS . 4 LAG= 1 . 1 MIN . 2 e. O� rU TIME (Fours ) 1 Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 90 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD, MA. 31JAN90 HydroQAD Release 2.40 (c ) 1986 . 1990 Applied Microcomputer Systems REACH 5 TWIN CULVERTS UNDER ELM SQ. DRIVE OUTFLOW PEAK= 2.2 CFS @ 13.48 HOURS HOUR 0.00 . 10 .20 30 .40 .50 .60 .70 .80 .90 10.00 1 0.0 0.0 . 1 .2 .2 .4 .5 .6 .6 .6 11 .00 1 .6 .6 .6 .6 .7 .7 .7 .7 .8 . 9 12.00 1 1 .0 1 .3 1 .5 1 .7 1 .9 2.0 2. 1 2. 1 2. 1 2. 1 13.00 1 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 14.00 1 2.2 2. 1 2 . 1 2. 1 2 . 1 2. 1 2. 1 2. 1 2. 1 2. 1 15.00 1 2. 1 2. 1 2.0 2.0 2.0 2.0 2.O 2.0 2.0 2.0 16.00 1 2.0 1 .9 1 .9 1 .9 1 .9 1 .9 1 .6 1 .9 1 .9 1 .8 17.00 1 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .7 1 .7 1 .7 18.00 1 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .6 1 .6 1 .8 19.00 1 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .5 1 .5 1 .5 20.00 1 1 .5 REACH 6 X ,Y = 11 . 1 1 .7 C1 2: REACH ROUTING BY STOR-IND METHOD REACH 130TTOM SIDE PEAK CONTACT PEAK NO. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN ) (FT ) (FT ) (FT/FT ) (FT ) (FT/FT ) (FPS ) (SEC ) (CFS ) 6 18.0 - - - - .015 94 .0100 5. 1 19 3.7 REACH 6 CULVERT X-ING EASTERLY END OF KENT SITE DEPTH END AREA DISCH (FT ) (SO-FT ) _ (CFS 18" PIPE: STOR-IND METHOD 0.0 0.0 0.0 MAX. DEPTH= .65 FT .2 . 1 .2 n= .015 PEAK VELOCITY= 5. 1 FPS .3 .3 .8 LENGTH= 94 FT CONTACT TIME = 19 SEC .4 .4 1 .8 SLOPE= .01 FT/FT Qin = 3.7 CFS @ 13.25 HRS 1 . 1 1 .3 7.6 Qout= 3.7 CFS @ 13.27 HRS 1 .2 1 .5 8.9 ATTEN= 0 % LAG= 1 .0 MIN 1 .4 1 .7 9.7 IN/OUT- 1 .60 / 1 .59 AF 1 .4 1 .7 9.8 1 .5 1 .8 9.7 1 .5 1 .8 9. 1 Data for W.B.KENTBSONS-POST-DEVELOPED HY©ROLOGY( 1(DOYR) Page 91 Prepared by THOMAS E. NEVE ASSOCIATES, INC. ,TOPSF=IELD , MIA. 31JAN90 HydroCAD Release 2. 40 (c ) 1986 1990 lied Microcomoilter Systems REACH 6 DISCHARGE CULVERT X-ING EASTERLY END OF KENT SITE 1 .5 1 . 4 1 . 3 1 . 2 1 . 1 1 . 0 . 9 . 8 z 7 tell PIPE . 3 n=.015 L=94 ' S=. 01 . 2 . 1 0.0m -, .• cu cv m cn In, cn co ca r* r� as 0a ai vi DISCH9RGE (cfs ) REACH 6 INFLOW & OUTFLOW CULVERT X-ING EASTERLY END OF KENT SITE 3 6 ] :' 1e" PIPE 3 . 0 n=.015 L=94 ' S=. 01 2 . 8 2 .6 TOR—IND METHOD 2 . 4 2 . 0 . U VELO ' TY= 5. 1 FPS 1 . 0 CONTFl� 19 SEC 1 : 4 Qin= 3.7 ' 1 .0 Qout= 3 . 7 CFS $ LAG= 1 MIN . 4 . 2 . to co N co m m TIME (hours ) Data for W.S.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 92 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 Hydro CAD Release 2 ,40 (c 1986 1990 Applied Micr com uter Systems REACH 6 CULVERT X-ING EASTERLY END OF KENT SITE OUTFLOW PEAX= 3.7 CFS @ 13.27 HOURS HOUR 0.00 . 10 .20 .30 40 0 .60 .70 .80 .90 10.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 .00 1 0.0 0.0 0.0 0.0 0,0 0.0 0.0 0.0 . 1 . 1 12.00 ! 3 .5 .9 1 .5 2. 1 2.6 3.0 3.3 3.4 3.6 13.00 1 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.6 3.6 3.5 14.00 1 3.5 3.4 3.4 3.3 3.3 3.2 3.2 3. 1 3. 1 3.0 15.00 1 3.0 2.9 2.8 2.8 2.8 2.7 2.7 2.6 2.6 2.5 16.00 1 2.5 2.4 2.4 2.4 2.3 2.3 2.2 2.2 2.2 2. 1 17.00 1 2. 1 2. 1 2.0 2.0 2.0 1 .9 1 .9 1 .9 1 .8 1 .8 18.00 1 1 .8 1 .8 1 .7 1 .7 1 .7 1 .7 1 .6 1 .6 1 .6 1 .6 19.00 1 1 .5 1 .5 1 .5 1 .5 1 .5 1 .4 1 .4 1 .4 1 .4 1 .4 20.00 1 1 .3 REACH 7 -> POND 3 X ,Y = 7.7 1 .0 <1 2> REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK N0. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN) (FT ) (F ) (FT/FT) (FT ) (FT/FT ) (FPS ) EC ) (CFS ) 7 24.0 - - - .015 45 .0111 4.4 i0 2.4 REACH 7 CROSS CULVERT KENT DRIVEWAY DEPTH END AREA DISCH (FT ) (SQ--FT ) (CFS ) 24" PIPE STOR-IND METHOD 0.0 0.0 0.0 MAX. DEPTH= .45 FT .2 .2 ,4 n= .015 PEAK VELOCITY= 4.4 FPS .4 .4 1 .8 LENGTH= 45 FT CONTACT TIME = 10 SEC .6 .8 4.0 SLOPE- .0111 FT/FT Qin = 2,4 CFS @ 11 .91 HRS 1 .4 2.3 17.3 Qout= 2.4 CFS @ 11 .91 HRS 1 .6 2.7 20.2 ATTEN= 1 % LAG= . 1 MIN 1 .8 3.0 22.0 IN/OUT= . 11 / . 11 AF 1 .9 3. 1 22.2 1 .9 3. 1 22.0 2.0 3. 1 20.7 I Data For W.S.KENT&SONS-POST-DEVELOPED HYOROLOGY( 10OYR) Page 93 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 H droCAD Rei as .40 (c ) 1986 1990 Aoplied Microcomputer Sv5temr, REACH CROSS CULVERT KENT DRIVEWAY 2 .0 _ 1 . 8 1 .8 ,y 1 . 4 1 .2 � 1 . 0 tjj . 6 24" PIPE . 4 n=. 015 L=45' S=. 0111 . 2 0' 0E cu "r u3 ao t9 cv It co m @ cv DISCHARGE (cfs ) RERCH 7 INFLOW & OUTFLOW CROSS CULVERT KENT DRIVEWAY 2 . 4 2 .2 24 " PIPE 2 . 0 n=.015 L=45 ' S=.0111 1 . 0 1 .6 STOR-IND METHOD 4 1 . 4 VELOCITY= 4 . 4 FPS 1 .2 CONTRCT= 10 SEC 0 1 . 8 Qin= 2 . 4 CFS � , 6 Gout- 2 . 4 CFS LRG= . 1 MIN . 4 . 2 0. 0m fu m It 0 co N co m m —4 TIME (hours) I Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 94 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 .. droCRD Release 2.4 ( ) 1986 , 1990 Applied Hicrocomuuter System REACH 7 CROSS CULVERT K£NT DRIVEWAY OUTFLOW PEAK= 2.4 CFS @ 11 .91 HOURS HOUR 0.00 10 20 30 40 50 .60 .70 .80 ._90 10.00 1� 0.0 0.0 0.0 0.0 0.0 0.0 0.0 . 1 . 1 . 1 11 .00 1 . 1 . 1 . 1 . 1 . 1 . 1 .3 .7 1 .3 2.4 12.00 1 1 .6 .5 .4 .3 .3 .2 .2 .2 .2 . 1 14.00 1 . 1 . 1 1S.00 1 16.00 1 . 1 . 1 . 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20.00 1 0.0 REACH 8 -7 POND 3 X ,Y = 9.5 3.3 <1 27 REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO. DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qout ( IN ) (FT ) (FT ) (FT/FT (FT ) (FT/FT ).- (FPS ) (SEC ) (CFS ) 8 - 5.0 1 .0 .50 .50 .040 20 . 1250 2.8 7 1 .6 REACH 8 CURB CUT SPILLWAY AT DRIVE LOWPOINT DEPTH END AREA DISCH (FT ) (S T ) (CFS ) 5' x 1 ' CHANNEL STOR-IND METHOD 0.0 0.0 0.0 SIDE SLOPE= .5 '/ ' MAX. DEPTH= . 10 FT . 1 .5 1 .4 n= .04 PEAK VELOCITY- 2.8 FPS .2 1 . 1 4.6 LENGTH= 20 FT CONTACT TIME - 7 SEC .3 1 .7 9. 1 SLOPE= . 125 FT/FT Qin = 1 .5 CFS @ 11 .96 HRS .4 2.5 16.9 Qout= 1 .6 CFS @ 11 .96 HRS .6 3.7 30. 1 ATTEN= 0 % LAG= .2 MIN .8 5.3 50.2 IN/OUT= .09 / .09 AF 1 .0 7.0 75.2 f Data for W.B.KENT&SONS--POST-DEVELOPED HYDROLOCY( 100YR) Page 5S j Prepared by THOMA5 E. NEVE ASSOCIATES , ING. ,TOPSFIELD , MA. 31JAN90 draC D Re ease 2,40 (c ) 19BQ . 3990 Ap plied Microcomputer 9y5tems REACH 8 DISCHARGE CURB CUT SPILLWAY AT DRIVE LOWPOINT 1 .Q . 8 . 6 2 . S . 4 Ld S ' x 1 ' CHANNEL SIDE SLOPE= .5 n=.04 L-20' S=. 125 . 1 0. 0m u3 61 l!i 6i vY @ tri 63 u7 m U,1 8 u'1 •• ,• CV W M CO �f tY LO In i.D CD I, r- DISCHARGE (cfs ) REACH 6 INFLOW & OUTFLOW CURS CUT SPILLWAY AT DRIVE LOWPOINT 1 .4 1 .3 5 x 1 ' CHANNEL. 1 . 2 SIDE SLOPE= . 5 1 . 1 n=.04 L=20' S=. 125 r, 1 . 0 4- • 3 STOR-IND METHOD •$ VELOCITY= 2. 8 FPS •7 CONTRCT= 7 SEC o • S .4 Qin= 1 . 5 CFS . 3 Gout= 1 . 6 CFS .2 LAG= . 2 MIN . 1 0. 0 to w N co m m TIME (hours ) s Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( 10OYR) Page 96 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 draCAD Releas 2.40 (c ) 1986 199@ A 1 ' d i.croco ut r Systems REACH 8 CURB CUT SPILLWAY AT DRIVE LOWPOINT QUTFLOW PEAK= 1 .6 CFS 0 11 ,96HOURS HOUR 0.00 . 10 0 3 .40 0 .60 0 .8 .90 10.00 1 0.0 . 1 . 1 . 1 . 1 . 1 . 1 . 1 . I . 1 11 .00 1 . 1 . 1 . 1 . 1 . 1 . 1 .2 .55 .6 1 .4 12.00 1 1 .5 .7 .3 .2 .2 .2 . 1 . 1 . 1 . 1 14.00 1 . 1 . 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20.00 1 0.0 REACH 9 -7 POND 2 X ,Y = 7.3 7.2 <1 27 REACH ROUTING BY STOR-IND METHOD REACH BOTTOM SIDE PEAK CONTACT PEAK NO, DIAM WIDTH DEPTH SLOPES n LENGTH SLOPE VEL. TIME Qaut ( IN ) (FT ) (FT ) (FT/FT ) (FT) _ (FT/F_T ) (FPS ) (SEC) (CFS_) 9 - 5.0 1 .0 .60 .50 .040 20 . 1250 3.7 5 2.9 REACH 9 CURB CUT SPILLWAY KENT DRIVE DEPTH END AREA DISCH (FT ) (SQ--FT ) (CFS ) 5' x I ' CHANNEL STOR-IND METHOD 0.0 0.0 0.0 SIDE SLOPE= .5 '/' MAX. DEPTH= . 14 FT . 1 .5 1 .4 n- .04 PEAK VELOCITY= 3.7 FPS .2 1 . 1 4.6 LENGTH= 20 FT CONTACT TIME = 5 SEC .3 1 .7 9. 1 SLOPE= . 125 FT/FT Qin - 2.9 CFS @ 11 .96 HRS .4 2.5 16.9 Gout- 2.9 CFS @ 11 .96 HRS .S 3.7 30. 1 ATTEN= 0 % LAG= . 1 MIN .8 5.3 50.2 IN/OUT= . 16 / , 16 AF 1 .0 7.0 75.2 I Data for W.S.KENT&SONS-POST-DEVELOPED HYDR0L OGY( 1O0YR) Page 97 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 HydroCAD Release 2.40 (c ) 198.6 . 1990 Aar3lied Microcomputer Systems REACH 9 DISCHARGE CURB CUT SPILLWAY KENT DRIVE 1 , @ ,9 .6 • 7 .6 . 5 . 4 .3 5 ' x 1 ' CHANNEL . SIDE SLOPE= . 5 n=.04 L=20' 5=. 125 . 1 0.0 Lnin u i €rr tv N M cS, V yr IF, 0 to to N r` DISCHARGE (cfs ) REACH 9 INFLOW & OUTFLOW CURB CUT SPILLWAY KENT DRIVE 2 .8 2 '6 5 ' x 1 ' CHANNEL. 2 '4 SIDE SLOPE= .5 2 . 2 2 .0L = @4 L=2@' 5=. 125 1 .8 METHOD 1 . 6 114TY= 3. 7 FPS 1 . 2TACT= 5 SEC � 1 . 0 ,8in= 2.9 CFS .6ut- 2.9 CFS . 4LAG- . 1 MIN . 2 @. 0G) as m It u-) W r- ao as cu TIME (hours ) i Data for W.B.K ENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 98 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 By-dcoCAD -Relear;t .4 (c ) 1986 1990 Applied Mic acorn utar 5 s em6 REACH 9 CURB CUT SPILLWAY KENT DRIVE OUTFLOW PEAK- 2.9 CF5_@___1.1_,96 HOURS i HOUR 0.00 0 .20 0 0 50 .60 .70 .80 .90 10.00 1 . 1 , 1 . i . 1 . 1 . 1 . 1 . 1 . I .2 11 .00 1 .2 .2 .2 .2 .3 .3 .5 19 1 .6 2.7 12.00 1 2.8 1 .4 .7 .4 .3 .3 .2 .2 .2 .2 13.00 1 .2 .2 14.00 1 15.00 I 16.00 1 17.00 1 . 1 . 1 . 1 . 1 . 1 0.0 0.0 0.0 0.0 0.0 18.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20.00 1 0.0 Data for W.B.KENT850NS--POST-DEVELOPED HYDROLOGY( 10OYR) Page 99 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 droCAD Release 2.40 (c ) 1986 1990 Amilied Microcommier S stems POND 1 to 3 POND 1 -> REACH 5 X ,Y = 4.0 3.7 C1 2> POND ROUTING BY STOR-IND METHOD POND OUTLET SPECIAL START FLOOD PEAK PEAK Qpeak Qpeak Qpeak NO. DEVICES OUTLETS ELEV. ELEV, ELEV. STORAGE ATTEN. LAG OUT (FT ) (FT) (FT ) (AF ) ( % ) (MIN ) (CFS) 1 2 - 95.2 97.5 95.8 1 .36 93 82.2 2.2 POND 1 WESTERLY OF ELM SQ. DRIVE STARTING ELEV= 95.2 FT FLOOD ELEV- 97.5 FT ELEVATION CUM.STOR STOR-IND METHOD (FT ) (AF ) PEAK ELEVATION= 95.8 FT 95.2 0.00 PEAK STORAGE = 1 .36 AF 95.5 .04 Qin - 31 .2 CFS @ 12.09 HRS 97.5 10.39 Qout= 2.2 CFS @ 13.46 HRS ATTEN= 93 % LAG= 82.2 MIN IN/OUT- 2.22 / 1 .34 AF INVERT (FT ) OUTLET DEVICES 95.2 24" CULVERT n=.015 L=60' 5=.0011/' Ke-.5 Cc=.9 Cd=.6 95.2 24" CULVERT n=.015 L-60' 5=.0055'/' Ke=.S Cc-.9 Cd=.6 TOTAL DISCHARGE vs ELEVATION FEET 0.0 1 .2 .3 .4 .5 .6 .7 .8 .9 95.2 1 0.0 . 1 .3 .F 1 . 1 1 .7 2.5 3.4 4.4 5.6 96.2 1 6.8 8. 1 9.5 11 .0 12.6 14. 1 15.8 17.4 19. 1 20.7 97.2 1 22.3 23.9 25.4 26.8 Data for W,D.KENT&SONS-POST-DEVELOPED HYDROLOGY( 10QYR) Page 100 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 HydroCAD Release 2.40 (c ) 1986 ._ 1_990 Applied Microcomputer Systems POND 1 DISCHARGE WESTERLY OF ELM SQ. DRIVE flood e1ev. - - - - - - - - - - - - - - - - - - - - - - 97 .4 - - 97 . 2 57 . 0 56. 8 " 96. 6 0 96. 4 996. 2 96 . 1 W 55 . 8 W 95 . 6 95 . 4 24 " CULVERT & 24 " ULVE T 95 . 2 cv �r w oo t� �u a w oo n3 a w DISCHRRGE (cfs ) POND 1 INFLOW & OUTFLOW WESTERLY OF ELM SO. DRIVE 31 2B STOR-IND METHOD 226 -4 PERK ELEV= 95. 6 FT 22 PERK. STOR= 1 . 36 RF 20 18 Oin= 31 . 2 CFS 16 Q0Ut= 2 . 2 CFS 14 LRG= 82 . 2 MIN 12 1 t� g 6 4 2 -- - ---------- ------ 0CR _ _ c' m tr in w N m a) TIME (hours ) Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( IOOYR) Page 101 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 HydroCAD Release 2,40 (c ) 1986 . 1990 Applied Microcomputer Svstgm5--- POND 1 WESTERLY OF ELM SIB. DRIVE OUTFLOW PEAK= 2.2 CFS @ 13.46. HOURS HOUR 0.00 . 10 20 .30 .40 .50 60 .70 .80 .90 10.00 1 0.0 0.0 . 1 .2 .3 .4 .5 .6 .6 .6 11 .00 1 .6 .6 .6 .6 .7 .7 .7 .7 .8 .9 12.00 1 1 .0 1 .3 1 .6 1 .8 1 .9 2.0 2. 1 2. 1 2. 1 2. 1 13.00 1 2.2 2.2 2 .2 2 .2 2.2 2.2 2.2 2.2 2.2 2.2 14.00 1 2.2 2. 1 2. 1 2. 1 2. 1 2. 1 2. 1 2. 1 2. 1 2. 1 15.00 1 2. 1 2. 1 2.0 2.0 2.0 2.0 2 .0 2.0 2.0 2.0 16.00 1 2.0 1 .9 1 .9 1 .9 1 .9 1 .9 1 .9 1 .9 1 .9 1 .8 17.00 1 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .8 1 .7 1 .7 1 .7 18.00 1 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .7 1 .6 1 .6 1 .6 19.00 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .5 1 .5 1 .5 20.00 1 1 .5 POND 2 -> REACH 4 X ,Y 9.0 5.3 C 1 1 POND ROUTING BY STOR-IND METHOD POND OUTLET SPECIAL START FLOCK? PEAK PEAK Qpeak Qpeak Qpeak NO. DEVICES OUTLETS ELEV. ELEV. ELEV. STORAGE ATTEN. LAG OUT (FT ) (FT ) (FT ) (AF ( %) (MIN ) (CFS ) 2 1 - 90.2 94.0 94.6 8. 10 85 248.8 19.3 POND 2 WESTERLY OF KENT DRIVEWAY STARTING ELEV= 90.2 FT FLOOD ELEV= 94.0 FT ELEVATION CUM.STOR STOR-IND METHOD ( FT ) (AF ) PEAK ELEVATION= 94.6 FT 90.2 0.00 PEAK STORAGE = 8. 10 AF 92.0 1 .83 Qin = 132.9 CFS @ 11 . 99 HRS 94.0 6.61 Qout= 19.3 CFS @ 16. 14 HRS ATTEN= 85 % LAG= 248.8 MIN IN/OUT= 20.21 / 12.54 AF INVERT (FT ) OUTLET DEVICES 90.2 21" CULVERT n=.015 L=82' S-.0048'/' Ke=.5 Cc=.9 Cd=.5 TOTAL DISCHARGE vs ELEVATION FEET 0.0 . 1 .2 .4 .5 .6 .7 .8 .9 90.2 1 0.0 0.0 . 1 .3 .6 .9 1 .3 1 .8 2.3 2.9 91 .2 1 3.5 4. 1 4.8 5.4 6. 1 6.8 7.6 8.2 8.9 9.5 92.2 1 10.0 10.5 10.9 11 .0 11 .2 11 .7 12.2 12.7 13. 1 13.6 93.2 14.0 14.4 14.9 15.3 15,6 16.0 16.4 16.7 17. 1 i i Data for W.B.KENT&SONS-POST-DEVELOPED HYDROLOGY( IOOYR) Page 102 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD, MA. 31JAN90 draCAD Release 2.40 (c ) 1 86 1990 Applied Micros M uter S stems i POND 8 DISCHARGE WESTERLY OF KENT DRIVEWAY g94 . g0 _f-1 ood e l ev-- - - - - - - - - - - - - - - 93. 6 93. 4 gg - 3. , 9 92. z 92 A 81 . 8 > 91 . 4 -�Ld 91 . w 090. 8 . 4 1 " U V RT 90. ru n-, t Lr, W N DISCHARGE (cfs ) POND 2 INFLOW & OUTFLOW WESTERLY OF KENT DRIVEWAY 130 120 STOR-IND METHOD 110 PERK ELEV= 94 .6 FT 100 PEAK STOR= 8. 10 AF ., 90 � 80 Qin= 132. 9 CFS 70 Qout= 19. 3 CFS 60 LAG- 248.8 MIN 0 50 -J 40 30 20 _ _ --- 10 0m ("1 M V- tr) to N cm m m TIME (hours) I Data for W.B.KENT&SONS-POST--DEVELOPED HYDROLOGY( 100YR) Page 103 Prepared by THOMAS E. NEVE ASSOCIATES, INC. ,TOPSFIELD , MA. 31JAN90 droCAD Ralease 2.40 (c ) 196Q , 1990 Applied Microcomputer Systems i POND 2 WESTERLY OF KENT DRIVEWAY OUTFLOW PEAK= 19.3 CFS @ 16. 14 HOURS HOUR 0.00 � . 10 .20 .30 .40 .50 ._60 .70 .80 _ .90 10.00 1 0.0 0.0 0.0 0.0 0.0 0.0 . 1 . 1 .2 .3 11 .00 1 .4 .6 .8 1 . 1 1 .4 1 .8 2.4 3.5 5.8 9.4 12.00 1 11 .0 12.3 13.5 14.2 14.7 15.2 15.6 16.0 16.4 16.8 13.00 1 17. 1 17.3 17.6 17.8 18.0 18. 1 18.3 18.4 18.5 18.6 14.00 1 18.7 18.8 18.8 18.9 19.0 19.0 19.0 19. 1 19. 1 19. 1 15.00 1 19.2 19.2 19.2 19.2 19.3 19.3 19.3 19.3 19.3 19.3 16.00 1 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 17.00 1 19.3 19.3 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19. 1 18.00 1 19. 1 19. 1 19. 1 19. 1 19. 1 19.0 19.0 19.0 19.0 19.0 19.00 1 18.9 18.9 18. 9 18. 9 18.8 18.8 18.8 18.8 18.7 18.? 20.00 1 18.7 POND 3 -) REACH 6 X ,Y = 9.6 1 .7 C1 2} POND ROUTING BY STOR-IND METHOD POND OUTLET SPECIAL START FLOOD PEAK PEAK Qpeek Qpeak Qpeak NO. DEVICES OUTLETS ELEV. ELEV. ELEV. STORAGE ATTEN. LAG OUT (FT ) (FT) (FT ) (AF ) (% } (MIN) (CFS ) 3 1 - 92.2 96.0 93.2 1 .32 84 60.5 3.7 POND 3 EASTERLY CORNER OF KENT SITE STARTING ELEV= 92.2 FT FLOOD ELEV= 96.0 FT ELEVATION CUM.STOR STOR-IND METHOD (FT ) ( ) PEAK ELEVATION- 93.2 FT 92.2 0.00 PEAK STORAGE = 1 .32 AF 94.0 2.48 Qin = 22.9 CFS @ 12.24 HRS 96 .0 8.69 Qout= 3.7 CFS @ 13.2S HRS ATTEN= 84 1 LAG= 60.5 MIN IN/OUT= 2 .34 / 1 .60 AF - INVERT (FT ) OUTLET DEVICES 92.2 18" CULVERT n=.015 L=94' S=.01 '/' Ke=.5 Cc=.9 Cd=.6 TOTAL DISCHARGE vs ELEVATION FEET 0.0 . 1 .2 .3 .4 .5 .6 .7 .8 .9 92.2 I 0.0 0.0 .2 .4 .8 1 .2 1 .6 2.2 2.7 3.3 93.2 1 4.0 4.6 5.3 6.0 6.6 7.2 7.8 8.3 8.7 9,0 94.2 1 8.8 9. 1 9.4 9.6 9.9 10.2 10.4 10.7 10.9 11 .2 95.2 1 11 .4 11 .6 11 .9 12. 1 12.3 12.5 12.7 12.9 13. 1 Data for W.B,KENT&SONS-POST-DEVELOPED HYDROLOGY( 100YR) Page 104 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD , MA. 31JAN90 droCAD el asa 2. 0 (c ) 11986 1990 ApIi d Microcomuter Systems POND 3 DISCHARGE EASTERLY CORNER OF KENT SITE 999f. Cgg _flood elev. - - - - - - - - - - - - - - - 95 :6 95 . 4 5 .0 gg1 : 42 z 94 : 2 Q 3 : cr 93 . 6 -' > 93 . 4 3 . ® w 92 . 6 R 4 92 . 2 16" C LVERT v -• CL1 C i d- �n co r� av m G4 -+ cu sri DISCHARGE (cfs ) POND 3 INFLOW & OUTFLOW EASTERLY CORNER OF KENT SITE 22 2© STOR-IND METHOD 18 PERK ELEV= 93 .2 FT 16 PEAK STOR= 1 . 32 RF ., 14 Gin= 22 .9 CFS 0 12 Qout= 3 . 7 CFS .f 10 LAG= 60. 5 MIN 0 8 J 4 (u m v U7 iL N CO (T) TIME (hours ) Data for W.B.KENT&SONS-PAST-DEVELOPED HYDROLOGY( 100YR) Page 105 Prepared by THOMAS E. NEVE ASSOCIATES , INC. ,TOPSFIELD, MA. 31JAN90 Ky_' CAD Release 2.40 (c ) 1986 ,_1990 Applied Microcomputer Systems POND 3 EASTERLY CORNER OF KENT SITE OUTFLOW PEAK= 3.7 CFS @ 13.2S HOURS HOUR 0.00 . 10 .20 .30 .40 .50 .60 .70 .80 .90 10.00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11 .00 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 . 1 1 12.00 1 .3 .5 1 .0 1 .5 2. 1 2.6 3.0 3.3 3.5 3.6 13.00 1 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.6 3.6 3.5 14.00 1 3.5 3.4 3.4 3.3 3.3 3.2 3.2 3. 1 3. 1 3.0 15.00 1 2.9 2.9 2.8 2.8 2.7 2 .7 2.7 2.6 2.8 2.5 16.00 1 2.6 2 .4 2.4 2 .4 2 .3 2.3 2.2 2.2 2.2 2. 1 17.00 1 2. 1 2. 1 2.0 2.0 2.0 1 .9 1 .9 1 . 9 1 .8 1 .8 18.00 1 1 .8 1 .8 1 .7 1 .7 1 .7 1 .7 1 .6 1 .6 1 .6 1 .6 19.00 E 1 .5 1 .5 1 .5 1 .5 1 .5 1 .4 1 .4 1 .4 1 .4 1 .4 20.00 1 1 .3