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HomeMy WebLinkAbout1988-02-09 Stormwater Report WITHDRAWN -------------------------- EXISTING SUBCATCHMENT DATA aQ ` E-A)?- STOPi 6'7V6JU`�' -------------------------- SUBCAT # 1 SUBCAT # 2 ----- --- ---------- _ AREA= .41 ACRES AREA= :8 ACRES Cg= 75 CN= 81 To= 6 Tc= 8 RAINFALL= 7 INCHES RAINFALL= 7 INCHES PEAK FLOW= 2.6 CFS PEAK FLOW- 5 CFS VOLUME= . 13 ACRE-FT VOLUME= .29 ACRE-FT SUBCAT # 3 SUBCAT # 4 AREA= .41 ACRES AREA= 1 . 99 ACRES ON= 92 CN= 84 Tc= 6 To- 9 RAINFALL= 7 INCHES RAINFALL= 7 INCHES PEAK FLOW= 3.8 CFS PEAK FLOW= 12 . 1 CFS VOLUME= .2 ACRE-FT VOLUME= .78 ACRE-FT SUBCAT # S SUBCAT # 6 AREA= .73 ACRES AREA- .59 ACRES ON= 94 CN= 81 Tc= 6 Tc= 9 RAINFALL= 7 INCHES RAINFALL= 7 INCHES PEAK FLOW= 7. 1 CFS PEAK FLOW= 3. 4 CFS VOLUME= .35 ACRE-FT VOLUME= .22 ACRE-FT SUBCAT # 7 SUBCAT # 8 AREA= .44 ACRES AREA= 1 .89 ACRES CN= 86 CN= 88 Tc= 6 Tc= 6 RAINFALL= 7 INCHES RAINFALL= 7 INCHES PEAK FLOW= 3.7 CFS PEAK FLOW= 16. 4 CFS VOLUME= . 19 ACRE-FT VOLUME= .8 ACRE-FT SUBCAT # 9 AREA= 3.58 ACRES CND 98 Tc= 6 RAINFALL= 7 INCHES PEAK FLOW= 37.5 CFS VOLUME= 1 ,83 ACRE--FT --------------------- ��P41'6 OF Al4s EXISTING ROUTING DATA o= HOMASE. -----..---_.-•---------- HM c /> WiL r / -------------------- A���el -rs � EXISTING MEMORY DATA SS1oNA►, ------------- ------ 1�m�vr THOMAS E. NEVE ASSOCIATES , INC. TOPSFIELD , MASS . DATE 16 / ICg /—§l PROJECT: CONTACT EAST-LOT#5-NABP-CHANNEL BUILDING COMPANY SHEET � OF �G DESIGN POINT #1 EXISTING' CONDITIONS BEGIN WITH SUBCATCHMENT # 4 VOLUME UNDER THE HYDROGRAPH = .78 ACRE-FT , PEAK = 12 . 1 CFS CALCULATED HYDROGRAPH 12 k1 PERK = 12 , 1 to - 9 - 5 4 3 2 - 90 ^ 11 12 13 114 15 16 17 1B 19 20 TIME (HOURS) DESIGN POINT #2 EXISTING CONDITIONS BEGIN WITH SUBCATCHMENT # 1 VOLUME UNDER THE HYDROGRAPH = . 13 ACRE-FT , PEAK = 2 .G CFS CALCULATED H'(DROGRRPH In PERK = 2 . 5 a 7 r-, 6 5 a f O 3 Li- 3 2 1 90 11 12 13 14 15 16 17 13 19 20 TIME (HOUR) 311C, DESIGN POINT #3 EXISTING CONDITIONS BEGIN WITH SUBCATCHMENT # 2 ADD SUBCATCHMENT # 3 VOLUME UNDER THE HYDROGRAPH = .48 ACRE-FT , PEAR, = 8.8 CFS CALCULATED HYDROGRRPH . ' 1© S PEAK = 8 . 8 8 r U7 f� O la. 3 2 L 0 11 12 13 14 15 16 17 18 19 20 TIME (HOURS) THOMAS E. NEVE ASSOCIATES , INC. TOPSFIELD , MASS, DATE ID /�/_9 PROJECT: CONTACT EAST—LOT#5--NABP—CHANNEL BUILDING COMPANY SHEET_Al__ OF DESIGN POINT #1 PROPOS8�r CONDITIONS BEGIN WITH SUBCATCHMENT # 8 VOLUME UNDER THE HYDROGRAPH .8 ACRE—FT , PEAK 16 .4 CFS CALCULATED HYDROGRAPH 15 14 PERK µ 16 . 4 13 12 10 u v O J 5 L� 4 3 1y 5`- 9 11 12 13 14 15 1G 17 18 19 20 TIME {HOURS) DESIGN POINT #2 PROPOSED CONDITIONS BEGIN WITH SUBCATCHMENT # 5 VOLUME UNDER THE HYDR06RAPH = .35 ACRE—FT , PEAK W 7. 1 CFS CALCULATED HYDROGRAPH 1� S PERK = 7 . 1 a �. 7 C cl 5 4 } LL 3 2 1 _ ----- 9� 11 12 13 14 15 15 17 1S 19 20 TIME (HOURS) to jihf 87 DESIGN POINT 113 PROPOSED CONDITIONS BEGIN WITH SUBCATCHME0 4 6 ADD SUBCATCHMENT # 7 VOLUME UNDER THE HYDROGRAPH .41 ACRE—FT , PEAK 7 CFS CALCULATED HYDRUCRAPH 10 9 PEAK G crn 6 LL J -r 4 J l� 3 2 o14 Y11 12 13 14 15 16 17 13 13 20 TIME (HOURS) . y � , THOMAS E. NEVE ASSOCIATES , INC. TOPSFIELD , MASS. DATE 10/ 87 PROJECT: CONTACT EAST-LOT#t5-NABP-CHANNEL BUILDING COMPANY SHEET _ OF 1� MASTER PLAN-PROPOSED DEVELOPMENT- H,W, MOORE BEGIN WITH SUBCATCHMENT # 9 VOLUME UNDER THE HYDROGRAPH = 1 .83 ACRE-FT , PERK = 37,S CFS CALCULATED HYDROGf &H 36 3� PERK - 37 . 5 3U 23 26 24 22 u 20 18 1G J 12 � 1 13 B S 4 ti 9 D 11 12 13 14 15 16 17 18 19 20 TIME (HOURS) 3 , 4 FLOUJ lfZA71� 0,JT10 i�c12 7. o po 3 71 5 H�t7 P?CJ�OSUZ lrJ THk MASTL-tZ pcAQ 7 o P"006E t l,c-r5 7v 7ri� CCNr��L_ 'D2A(NA6F. At6v)A of T--+e 'PAZKk Trtl5 C.07• SHAI-(- P(7-00UGE A 2uN0Fr- lZA7-p OF 23,4 GAS To TM/1 `C A2cA • G-owevR- z THtE (zAT " or- fzu0oFjF tS 10c2o�sAM A�-r 'DIFS(6Q 9a1►JT5 # 2 r-aoM s,6 4r5 7o -1 1 Gp5. f'15 RUNOFF WIUt F'.0V1 WriO THE wArL-1?SH 6-D THAT c.l-Z0-SS S 2avrc� # IZ5- �-It5 R-UQOFP� WILL J0Ire] TZ"tc UNOFP ;:�(?_o+L# Lo-r# 3 CUlJoj-UEL[]p`D). wr-ter,J Lor*3 15 DtrVnopl✓'D T{tle, ADDg-D ROMOFF WILL- B� C�M��7VSl{ �� Foe . yc.9PPL�M � 7�t- PATS SUBCATCHMENT/WATERSHED DATA SUBCATCHMENT NO. / A ON SME PROJECT: Gar77,-qc7" &-psT Lor- AOFsrrE CONDITION: �XlST/.1/67 _co�uD�r�o�t1 IAmraL D- I sN CALCULATION COVER TYPE SOILS CN AoNsrrE AoFFsrrE ATMAL CNA si l'q 1"t w� -,rl,4,],o E C 75 4 41 D A B C D A B C D A B C D A B C D TOTALS CND JCNI s HYDRAULIC LENGTH, L CALC. BY: DATE: SUBCATCHMENT SLOPE, Sr , 25% CHECK BY: DATE: TIME OF CONCENTRATION, Tc = SOURCES: lob � t el gf1C SUBCATCHMENT/WATERSHED DATA FSUBCATCHMENT NO. 2 A oN srTE PROJECT: AoFf srTE r CONDITION: JATMAL 0 , 66 QN CALCULATION COVER TYPE SOILS CN AoN SITE AoFF SITE ATOTAt CNA A B TURF C 7 0- 579 (72 D A B C D A B C . D A B C D A B C D TOTALS CN = =:�ICN' z 8f HYDRAULIC LENGTH, L= ' CALC. BY. DATE: SUBCATCHMENT SLOPE, Sr 2 - 4-% CHECK BY: DATE: TIME OF CONCENTRATION, Tc = a/y// - SOURCES: SUBCATCHMENT/WATERSHED DATA SUBCATCHMENT NO. 3 A oN SITE PROJECT: .Cori n c 6ws r AoFF 5rrE CONDITION: A`roTAL CN CALCULATION COVER TYPE SOILS CN AoN SITE AoFF srTE ATQTAL CNA A B TuleF C 7 4 PA)ctwouT D 4. 30 �73 A B C D A B C D A B C D A B C D TOTALS CN = CN` = q2 HYDRAULIC LENGTH, L= 8 0 ' CALC. BY. DATE: SUBCATCHMENT SLOPE, S= % LHECK BY: DATE: l TIME OF CONCENTRATION, Tc = 3 SOURCES: SUBCATCHMENT/WATERSHED DATA SUBCATCHMENT NO. A oN SITE PROJECT: AoFFsrTE CONDITION: ox is rl�ya JAToTAL CN CALCULATION - - COVER TYPE SOILS CN AoNSITE AOFFsrTE ATOTAL CNA A C 79 22 C6/l) Lo ' p'44)" i 7 D q 0,7 17 l39%J A B C D A B C D A B C D A B C D TOTALS i CN = CN' HYDRAULIC LENGTH, L= 4-6 0' CALC. BY: DATE: SUBCATCHMENT SLOPE, S= 3 % CHECK BY: DATE: i TIME OF CONCENTRATION, Tc = SOURCES: O�� �o �� I2f l� SUBCATCHM EN WATERSHED DATA SUBCATCHMENT NO. A oN srrE PROJECT: C n7r 9Cr &-,L?S7"- ADFFsrrE CONDITION: ��V "Gaps P/�Qj� AaOl T/Otij A7DTALL 0, 73S CALCULATION COVER TYPE rA ILS CN AoNsRF AoFFsrTF ATMAL CNA 7lJ�F' C d, /2 5 � 7 d� Gu t c��5 Qt� RM/,vr D 9 A B C A 8 C D A C D A B C D TOTALS CN = CN' _ YDRAULIC LENGTH, L= 1601 ICAL BY: DATE: t UBCATCHMENT SLOPE, S= j °1. CHECK BY: DATE: TIME OF CONCENTRATION, Tc = SOURCES: )alt (0107 I A6, SUBCATCHMENT/WATERSHED DATA SUBCATCHMENT NO. AoNm . PROJECT: - AoFF sr TE G4NDITION: A'MTAL D. Sea QN CALCULATION COVER TYPE SOILS CN AoNvsrTE AoFFsr E ATOTAL CNA A B C 74 D, 4/ f3vI�0� � D A B C A r 8 C D A C D ------------ B C D TOTA LS C JCNI # 8� YDRAULIC LENGTH, L= 22 Zo CALC. BY: DATE: SUBCATCHMENT SLOPE S t CHECK BY. DATE: LTIM7E &F�CONCENTf?RATJON, Tc 9 SOURCES: 4-11 e SUBCATCHMENT/WAT ERSHED DATA SUBCATCHMENT NO. 7 A oN srrE PROJECT: IATMAL Ac�sRE GONDITI�N: NN CALCULATION 7 . COVER TYPE SOILS CN AoN sITE AoFF srrE ANrAL CNA A B 7Z)2F C 7 4 Z 2 set' PALC�140v T ' D A B C A B C D A B C D A B C FD N S CN' ULOC LENGTH, L= Zgd' CALC. BY: DATE: TCHMENT SLOPE S= 2 E %HECK BY: DATE: TIME OF CONCENTRATION, Tc = ,5 SOURCES: C loll � 187 SUBCATCHMENT/WATER' SHED DATA SUBCATCHMENT NO. g A onr SrrF l, 9 PROJECT: _ AoFFsrrE CONDITION: 1A'mTAL CALCULATION COVER TYPE SOILS CN AoNSfTE AoFFSrTE ATMAL CNA A B A B C A B C D A C D A C D TOTALS CN = CNI n �8 YDRAULIC LENGTH, Lit CALC. 8Y: DATE: SUBCATCHMENT SLOPE, S= 5 CHECK 8Y: DATE: TIME Of CONCENTRATION, Tc = SOURCES: SUBCATCHMENT/WATERSHED DATA SUBCATCHMENT NO. 9 A oN STE PROJECT: n1ur�Gr sr ��� >� �:= co . Aar srt . CONDITION: kM5rETz pLA1,1-- ..Gor 45.. ATvtAL -3. 59 ¢ O, CALCULATION 94scD aN MAxrel COVER TYPE SOILS CN AoN srrE Aar SrrE ATMAL CNA ie f � A &)11-0141 Gr , e071P,�'Ill B C A B C D A B C D A B C D A 8 C D TOTALS CN = iCN' HYDRAULIC LENGTH, L= 6-00 CALL. BY: DATE: SUBCATCHMENT SLOPE, S= 2- CHECK BY: DATE: TIME OF CONCENTRATION, Tc = SOURCES: