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HomeMy WebLinkAbout1986-09-09 Supplemental Engineering Information SPR I� lr TECHNICAL SUPPLEMENT FOR SPECIAL PERMIT Rivers Development North Andover, Massachusetts Vanasse/Hangen• Engineering, Inc. I i € € 1 c „Q Ef;T S u�r •• _ f,;�USTtti� �r n, VU /�?! oit—no p loll WWI ink CO X W ,0 AA 0 aw (JAI 174.i'. Q'.� 4 vwo kit ; 0 A1 v 0 K , V.1 Zoning Information ZONING INFORMATION COMMERCIAL DISTRICT ITEM ZONING INFORMATION AS DESIGNED FRONT YARD SETBACK 50 ' MINIMUM 52 ' SIDE YARD SETBACK 50 ' MINIMUM 51 ' BACK YARD SETBACK 50 ' MINIMUM 51 . 5 ' TOTAL LOT SIZE 2 . 76 ACRES LOT COVERAGE ( BUILDING ONLY) 35% 27% BU ILD ING HE IGHT 55 ' 20 ' MINIMUM NUMBER OF PARKING SPACES 39 40 HANDICAP 3 3 TOTAL 42 43 1177/486/ siv i I ICI Abutters PROS. 236985 53 2008-182 PROB. 273691 49 1046-91 n32 2-018-256 1848-181 ASSESSORS MAP-106-0 63 2108- 244 PARTIAL 63 1144-491 1547- 535 1998-333 902-119 LIST OF ABUTTERS Assessors Book & Map No. Lot No. Page Owner 106 D 39 & 32 Prob. Rita Houghton 273 691 142 Berry Street North Andover 01845 106 D 38 1046 Robert R. & Joan B. Houghton 91 44 Ash Street North Andover 01845 106 D - 1144 John N. & Therese M. Hagerty 491 1874 Turnpike Street North Andover 01845 106 D - 902 Jean Paul R. Proulx 119 1812 Turnpike Street North Andover 01845 106 D 1547 David White 335 1 Talbot Ave. North Andover 01845 106 D - Prob. John C. Farnum 236985 426 Farnum Street North Andover 01845 106 D 55 1635 Brian J. Cardello 131 32 May Street North Andover 01845 106 D 53 & 54 1454 Susan Berman 118 Tom Casey, Robert Casey Berry Street North Andover 01845 106 D Partial 63 1524 Berry St. Trust 103 Frank Fiore 16 Berry Street North Andover 01845 106 D - 2018 Elm Sq. Builders 256 Realty Trust 1 Elm Square North Andover 01845 106 D 63 & 44 2108 Riparian Realty Trust 244 24 Gould Street Reading, MA 01867 1177/ 586/siv Assessors Book & Map No. Lot No. Pa a Owner 106 D - 2008 Anna Mscisz 182 18 Willow Street North Andover 01845 106 D - 1998 North ,Andover 333 Realty 'gust 1253 Salem Street North Andover 01845 106 D 52 Prop. Nathalie Ross 335346 20 Beaver Street Salem, MA 01970 106 D 49 - Raymond J. Barnes 193 Berry Street North Andover 01845 106 D -- 1848 Nancy Houghton 181 142 Berry Street North Andover 01845 1177/ 586/siv Parking Calculation Com ufafions Job: �'j VeI2_5 -pE Y, 7o b No. //7 Location: 1481,0bV62 __ Sheet I of Calculated by: 46-C— Date: 3o Checked by: Date: _ Title: j(f (fl/ CAC-C UG,4-r1O _,' , Z q bU5T2IR4- U.92E."Ov�6)SF 3 mcEs - /Od0 t A �PfI cEs 57-,e14 A�kwrwe Z)5 6 WE hoDD_ Z 3 8�-O off x_ - /444 _ .. ._ ._- ZSP'4 Ge s d f �2 a Ill h E 1�1/4(-, 3� C' W�►V 7_1 O A/4 L 171400It%4P Vanasse/Hangen Consulting Engineers&Planners CO B rm,ngham Parkway,Boston,MA RM 6171783-7000 Computations Job: — ' '` y��s• �r t�' Job No. //7 7 Location: ANOD✓� Sheet Z of Calculated by: Date: 3a Checked by: :; rj _ _ Date; Title: f A2Kl.y� C 4/4-4Tlo t/ 0OA1111 r c = 13 0,.e Vanesse/Hangen Consuls nN Engineers&Planners 60 RifMngham Parkway,Boston,MA 02135 6171783-7000 Sewer Calculation LW Computations Job: �C IliF.es: �G-1�• Job No. ��77 Location: Sheet of Calculated by: ffGG Date: Checked b Date: Title: �ltl�� Cf�GC U G A7/Q Al <16 Z) 7�,474 i i l 1 1 Vanas"Mangen Conaulnng Engineers&Planners ----60 BKmiMharn Parkway,BcsM.MA 02135 6171783.7000 I Drainage Analysis LM Computations Job: E2S E� Job No. 117 Location: Al, AN64 Sheet of �2 Calculated by: L C— Dater Checked by: //,, r B. Date: f Title: 2Al V4 G E Aw-4 F-t , erU215- t:,,'o T/oNS 60 `7v /YJ���' aF CoMPvTAT1oN� � �XISriNG �oN��Tian/S Gvmf'vTi9r�vNs 9 --/Z . . .._ r uTu lee CQND/r/aN Carrri°uTArru"V VanasaelHangen ConWtinq Engineers&Planners - 60 BKrmngham Pnrkwny,Boston,MA 02135 6171783.7000 Vol Jab: L} !/,F2 Computations ��� --- lob No. Location: N e Sheet Z' of Calculated by: Date: 460 A / (0 Checked by: 7 Date: T,L � �4 41�yAG0 &d 4-fS�I - -_ Title: _ P,e&Pa sIIV6 �v �dN9 Tie ucT N � F/cam - i+1r�v STRiA,�. _?ale p/IV6 dvTWFfc'cY - -f06 C E 4- IS /-D 6,107',r0 l eV RIV '�nla U�T/2iA L Z)/S7-fz/G77' GoAIS7,e e770 Al aF Cz o sra ftV*4d ��s-rokA r�F,4/ 7-/ue'-/ Vanaww/Hangan Consullmg Engineers&Planners '.. -- 6p'BrmrmgnawParkwny,Boston,MA 02155 617IM-7000 taflonS Job: �i�/yE2 �F f� Job No. ��� Compu Location: /{` ����U y4t- Sheet _ of _ Calculated by: Date: a Checked by: Date: Title: 15 �2E5 ,-,V7-_.._ ._ ic7U Gore Pra.T4 7-i4)o�/5 r7t��I Tr 4 NA 4. Fe)2 M U G A � =�I G c �drz 6 4('Y46 Ys 5 r- . u Tv/ e- G6 AID 7-io ,y S 7y'PE .11 /704)2 e�,7102,t-t, �IST2/,3 T/0,�,l 0 /U �2 ADO �� t2 rP �F1�z/ ivc'�' TlJ2M,$ �') PrNG LC ULA T J 7-/aNW4� r2mvc .4 o a 4'-0MCr#Td47�o�/ �crreAj1,VC T FdOM 0Vt-I? -7(.n Vanas"IMangen Consulting Englneets 6 Planners _ --SO Birmingham Parkway,Boston.MA 02M 61717B3.7000 Is Corn u al ions rob: _ /� l y�2 s EV, Job No. //77 p Location: N sheet of Calculated by: L Date: 4 Flo Checked b L Date: 914 N14 GE ANALY5I e � Title: � _liVTE�/5LT_Y: . DUR,47/ON. -FlieEQ(JF,rJCY_ -CU2✓ _ •_Teti.,._. ��P�,� -- /tf, _ 40 - OFF eOe�FP /e/4ivrS --- - _ G,1?,4s� T 4ff4 Na /T/allo 4/-V - Fe-) R CDT// �H /Q Y;EF42 le)6 �'41Z T44AIS AVb R7-1e)l DF 711E 1 bT CEMr �f�2CEL �y �NT�c/P A ridgy/ DF f�N� �r�rug� Vanas"Mangen ConsAng Eng-nom B Ranncrs 698xrrungnam Parkway,SmIon.MA 02136 6177783-70W Liu Computations Jo b: R y Ele S IDIf✓ �� Jo b No. //7 7 r Location: `/, Sheet 5 of Calculated by: '� Date: 4-13dr AP, (, Checked by: Date: Title: /0A/NAG,5 I�ImA-YSJ S 77;�q y- _,�/Sc,y�}2G�S. _-7 v I�Fre-7f0c-74/C E �Dltv'T fN - FwT Cu tila -L-r/.DNS . ( Oo m jxl so o �� /�a DE/�W7, GY SG o!°io GUDab SJ AN a A70 A D W r4 Y.S (11�A kca c( 4 244W L-) , HF �aNGi 7— -*AT r OGGD W S �U �i`�� 2,EF,�2,FNL� �d IN IS f�5 LGDwS /GaN� /ffE /�/G� �i�vT �YU2rf FE ?' Sr [� l9rf'%�vx °a , �Ic�a�s Tr�� Grrfli�'EL �aAD Al ZU W00lO�I> �f1E,�4� �eleo5s oe /4EA6OW �!a IlvT,o 7f1z—,r /l&/poly 7—o -rNE rtF /1,t N C'� 0 I/Y?- 14 tv of)e `� 1,v 14 L� Vanasse/Mangen Comgtvrg Eng:neem d Planners 60 Bnmingoam Parkway,Boston,MA 02135 6171783-7000 Com ufations Job: /�'i�E2S ?�� �/ Job No. Location: . 1A4 AV�O 4 Sheet of Calculated by: L G Date: Checked by: �01 L Date: Title: �2A/NA G E �4A,,Ae-, 77 N 5 TE n E ; l E7-eWT/0A/ //// k E �IN /�2cq OFF -7�4 <ir,E - ovTN ate_ THE k -- sr rs __ 15 �s Fu rv,� Sr 7-�5 ;�)X� VF o.,am eiA/ 7- r�i S AVM 44Ys/ Vaname/Hangen Consufbng Engineers&Planners WBammgnam Pa,kway,Boston.MA 02135 6111783.7000 1 r ■ Job: /i lVFe5' ���t .fob No. COYYpuat10YlS Location: 40/0 d yF',e Sheet of Calculated by: �L� Date: 34 Co Date: Checked by: y - l - Title: 2 ?i,i/,� G l�NAc Ysi SHUN FF GFNE/z/� rF� an�t � vE4aPM�wT . -/s 1� T �E �� , �a___ ._./%u_ _ / n A S F /TO _rff E LIJF 74 4 ND S E G L,1 i2 E_- --(✓E V E 40 PM 457i`1 T ,47F _ a 2 � TIV r/E. Vanes"Mangen Conssdtmg Engineers&Warmers --" 600uminghem Parkway.Boston.MA02135 617176.7-7000 OYYt Job: /!/F2S ��� Job No. 1177 C pufalonS Location: All Sheet 8 of Calculated by: L C Date: Checked by: Date: Title: /J/�A��VF�(F �Il/f1 G Y 5 I gc - r r 04, -Fr, Gl T02 E7.) /N . -rpe 1R20 to 7�E7FMr/0 N �3R5 of D 12 q -- - - la T,rNT/oAl ;F,4SIAI /30 5 Fr 4,8Mle6 PIzoV/045D F42 l0U Y��2 �TvIZM Vanamm/Hangen Consulting Engtr*rs 8 Planners 60 8orm,ngham Parkway,8WOn.MA 02135 617/783-7000 Iff Corn utR ions Job: PIlIlE2A$/ 1� Job No. &77 p Location: '�' ,�ni�a vF2 Sheet _ of Calculated by: Date: 400 Checked by: Date: Title: 1 OA1 D. _0 14 P & 7W T-/ o Vanas"Mangen Corlsdl-nq Engows 8 Planners —WBkmhgham Parkµay,Boston.MA 02135 61V783,7000 ■ JOB_ JOS No. 1I77 LOCATION+ L SHEET _4L_OF__4 _ Ianasse/Hangers Engineering, Inc. CALCULATED BY' f A DATE 7 .3-Ro )onsulting Engineers&Planners �o 0 Birmingham Parkway, Boston, MA 02135 CHECKED BY: DATE i171783.7000 TITLE V C a V U q ( t URBAN HYDROLOGY FOR SMALL WATERSHEDS (TR-55) PEAK DISCHARGE WORKSHEET FOR GRAPHICAL (Tc) METHOD (FIGURE 5-2) Project �-06-IL S VEL&A1E[1r By r _ Date �� r T ,e 7 N ,S Checked Date St. eps Peak Discharge Computation for up to 3 storms; Type II , Duration 24 hours. 1, .. Data: Watershed Condition PRE55-4J7 „0_,u)b 17-Im (present or future). Drainage Area (DA) _ 3, .�?& acres. Ave. Watershed Slope (S) y. Ponding and Swampy areas (PND) Q. a 5S acres, 7'4 % of DA Impervious Area (IMP). 4 acres, % of DA Total Hydraulic Length (HL) oQ feet Hydraulic Length Modified (HLM) = feet, % of HL 1st Storm 2nd Storm 3rd Storm 2. Rainfall Frequency (F) yrs. 3. Rainfall Depth (P) 4 5_ �p inches 4. Runoff Curve Number (CN) See other side for computation GZ 5. Runoff Depth (Q) x oe inches Use P, CN, and Table 2--1<�I� 2A1f lax. I .,_ ( I I 6. Time of Concentration T ) _�hrs,, I i See other side Velocity Method I I for computations Lag-CN Method (check one) Other I r X i � r 7. Unit_ Peak Discharge (q) 05-0 csm/inch of Q Use Tc and Figure 5-2 i I r t 1 X I 8. Drainage Area DA(acres) (p Q Q 5a 1 640(ac/sm)] ' L 640] I sq. miles X *9. Pondin and Swampy Area Peak Factor _Only. use % PND,-.F and Table E-3; when PND is spreadout in watershed and not related to T flow path. c i -10.--Peak Discharge Area Factor where qp Steps #5 x 7 x 8 x 9 �'� 0' � cfc *If the adjustment is not applicable, enter a Factor of 1.0. - (TR NOTICE 55-A, September 1981) �' ■ -_ �aa°— Ld�l m ,) �t�JU:�U}.Pi��.wntfi„���gas No. /(7� LOCATION SHEET,_ OF41 Vanasse/Hangen Engineering, Inca CALCULATED BY• �AA DATE Consulting Engineers&Planners CHECKED 8Y __ DATE �G B(o - 60 Birmingham Parkway, Boston, MA 02135 - --- 6171783-7000 TITLE:_ P2OS". 7' CO Nil 1 JON TR-55 GRAPHICAL (Tc) METHOD, PEAK DISCHARGE WORKSHEET (CONT.) Steps from other side 4. Runoff Curve Number (CN) Hydrologic Land Use Description CN Area Product Soil Group Include Treatment, Practice & Condition (Table 2-2) (acres) (3)x(4) (Appendix ➢) (Table 2-2) (3) (4) (5)• g W009&/)tip GAw ZC6 D, 06 '!5 /o Totals total col. 5 CN (weighted) = +� �� use CN total col. 4 r1 3(o J j 5. Time of Concentration (Tc) Select computation method, (a) is recommended. (a) Velocity Method Length Velocity Travel Time Reach Description of Flow / (ft.) (ft/sec) (sec,) (3) (4) (3) ; (4) /Czo 57- N EA G/7f" 2 ���D 0, lv 5r 19C2�ss el) EA2c- /3A26- aU,vZ� /O v Es 4J'-11,yF",q v Y G r772�`a ---- . :�°Io /� ErTI .c�D G SSA (.✓A u.af1 U � 1/Use Figure 3.1 for overland flow portion of travel time. Totals CP see. Total Travel Time (sec.) T m = f 609 c 3,600 (sec./hr.) L 3,600 ] �, f 7 hrs. (b) Lag-CN (l) Unadjusted Lag Use HL, hrs. Use HL S, CN,, and Figure 3-3. x _. .. *(y) Hydraulic Lag Factor % HLM, CN, and Figure Use re 3-4. .T'� x *(3) Im envious Area Lag Factor Use % IMP, CN, and Figure 3-5. x (4) Constant (Tc = 1.67L) a (5) Time of Concentration (Tc) hrs. -where- Tc -- Wx(2)x(3)x(4) � r Jo b: /�1 v1E�2 S �,� 7o b No. _ //7 7 Computations �o d LF2 3 Location: Sheet of Calculated by: L L Dater j Checked by: Date: Title: I I ! Tj R- 4? ��T-7 - -- . I -L } -,� I j I j f - -a--- - - --- - -- - -�-_ �I � , I j I € I I I I J-J-H ; I f I j I I Vanasse/Hangen ConsAN Engineers&Ramwe — w alrmir4vvf Parkway,Sosm,MA 02135 617r783-7000 W Vanasse/Hangen Consulting Engineers & Planners 60 Birmingham Parkway, Boston, MA 02135 617/783-7000 Name y '_PS__�EY__ ,lob No._f 1-j7___ Sheet No.__L____ Sub loci—A/ Date—4-23 047 /0a—:Year Storm Computed by---U!L-.-_ _1�_2 Min. Pipe Size Checked ----- n Z �-C�lI LOCATION AREA C C-A E FLOW TIME (Miti) DESIGN. PROFI LE Conn Pipe Slope Q full V Inv. Inv. DESCRIPTION FROM TO (Aa) C A Ovid. Ditch Pipe Time {cis} Size fl/ft fps t an9th Fail Rlt�l OU-r Lower IDA Or` Ct34A DM H 4 0.2(0 0.9G 4.Z3 0.2 3 5 — 5 1O Z.3 12" .005 2.8 3.(1 105" 0. 3� 13L 6 128.f f27.57 DMN-q Dr�H 3 0.2-3 5 - 5 10 2,3 IV ,00�r ?<S 3,1p 95' 04r 8 133. 1 %Z7f1 /Z703 U.A. D" C63A DM ;-i3 d.f5 0,90 0 1�} 0�!¢ - 5 1C? I �{ iZ�r QrD/ ¢b 50 '7' -6 130.(P 7-7/o /Z7,03 DMH3 DHNZ p•37. s _ 5 l0 3`1 )8" ,00 71 ROa� • i�A " :T p 1,, Dr',4 H Z` 0.40 D.90 0.3(a 0.3(o E" a&ZA DM H 2 p,f(a 9 0.14 0.14 5 5 10 1.4 IV" .02 5"5' 7.0 7' A14- 1130.3 /Z"O iZG.G TAM H Z DM 1H f 0.87 5 - 5 10 8,7 18" ,00& 9.0 5,0 75/ 0,45" lFo-4 174SF 1t6,1 f p. A. "F Cl�f/a bM1� 1 O,fB 0.9d 0.t1, 0. 1(v — 510 rZ" ,UDr� 3,3 �3 7�� otao 13Q.3 /ZG•Bo /u'zo I�c�or D.A."J4 �j DMJ41 0.31 0.90 0.Z8 0,F-6 - DM { 1 FES1 13 5 - 5 10 13,I 24" 'o/ 25,0 7S fb' do 131.2 !ZGo9 /zsy9 D.A.` C3" C951 Dt4k5 O.Z7 0.90 004- 0.Z4 5 — 5 10 2.4 10" f6Z• 5,5 1,0 120' Z•fa 15. ) /zy,;v /Z�,90 '165A pmf-fS 1.48 jDjol 1.33 1.33 5 - 5 10 13.3 18 0(5 1+C) 7,8 32( 0.48 3o,z E731 1741,83 0,91F 0-70 Lit � `h,zo +Co,z1 0. o�=-1,f o o,CB'5C3 DMJ+50,34 0,3 ,30 22 — 2215,3 2.0 )Z" .005 2.8 3,G -4� 0•33 1z95 lZ7,o4 IZL-93 DM l 5 �Esz 1 .95 22 ZZ 53 10.3 1 15" ,a08 1 10.5- (p.o 1 10` 0.08 13o'? Ilz&'76 fz! . _ -- I Compufafions Job: ____FICIEes E V. Job No. rL 7 7 Location: r A D 4 Sheet of Calculated by: _. L _ Date: Z—O Checked by: Date: Title: i I I - i /I w / — Z� ! k a I ` I f ! i i r I _ • I , 1 i Vanasse/Hangen ConWlmg Engineers&Planners nghamPark*W.Boston.MA 02135 - -- — 6171783-7000 JOB; 61114n/r JOB No. �},1Z� LOCATION+ 2 ! ti R SHEET /V OF 4Z lanasse/Hangers Engineering, Inc, CALCULATED BY' ffL G DATE: 6 bnsUiting Engineers&Planners CHECKED BY' DATE: :! 30 Birmingham Parkway, Boston, MA 02135 3171783-7000 TITLE r�uTuRF CoN�]/T�oNs URBAN HYDROLOGY FOR SMALL WATERSHEDS (TR-55) PEAK DISCHARGE WORKSHEET FOR GRAPHICAL (Tc) METHOD (FIGURE 5-2) i Project 4YC-2f —be VELQPMAVI— By "-4—, Date kzr1V I er�VGN GA.vp Checked Date ' i Steps Peak Discharge Computation for up to 3 storms: Type II , Duration 24 hours. 1, Data: Watershed Condition = EG TU(er 4 0 Al,-; , (present or future). Drainage Area (DA) _ acres. Ave. Watershed Slope (S) Ponding and Swampy areas (PND) d �� acres, % of DA Impervious Area (IMP) _ � acres, % of DA Total Hydraulic Length (HL) 4D feet Hydraulic Length Modified (HLM) = feet, % of HL 1st Storm 2nd Storm 3rd Storm 2. Rainfall Frequency (F) /0 S' /0 0 yra. 3. Rainfall Depth (P) ¢� ��, (�, �' inches 4. Runoff Curve Number (CN) t7 See other side for computation 5. Runoff Depth (Q) j Q0 3�7� ¢,7/ inches Use P, CN, and Table 2-1. I 6. Time of Concentration Tc) t3 0 hrs.l I ' See other side Velocity Method I I for computations Lag-CN Method (check one) Other I I X i I I 7. Unit Peak Discharge (q) I / Use Tc and Figure 5-2 i csm/inch of Q I R i B. Drainage Area DA(acres) �0 � 7 _ C640(ac/sm)_ = C 640 J al , 7 sq. miles � 7 I X I [ I *9. Ponding and Swampy Area Peak Factor Only use % PND, F and Table E-3; j when PND is spreadout in watershed I I and not related to Tc flow path. I a I -10.- Peak Discharge Area Factor where qp - Steps #5.x Y x 8 x 9 c£c *If the adjustment is not applicable, enter a Factor of 1.0. . (TR NOTICE 55--A, September 1981) I L JOB: Klv�/Zs U V"r7'LyPMFX/I- JOB No. 1l// IULOCATIOW d1D ✓E2 SHEET___L� OF �Z Vanasse/Hangers Engineering, Inc. CALCULATED SY'. � �LG DATE 7 9� Consulting Engineers&Planners CHECKED BY: -_()ATE "Zl / 60 Birmingham Parkway, Boston, MA 02135 617/783.7000 TITLE _ UTU/IG C�N�I7 W 5 TR-55 GRAPHICAL (Tc) METHOD, PEAK DISCHARGE WORRSHEET (CONT.) Steps from other side I. I 4. Runoff Curve Number (CN) Hydrologic Land Use Description CN % or Area Product Soil Group Include Treatment, Practice & Condition (Table 2-2) (4cres) (3)x(4) (Appendix S) (Table 2-2) (3) (4) M. Ova CO AID Z6,7 � �2�5 GU�vps Goya Gov�2 5S Or l�l 5'0, Slur D WGr LRA/f� /ME�aa/w � 8 too 9.7 Totals rn total col. 5 Q® CN (weighted) total col. 4 C f ] a l use CN U 5. Time of Concentration (Tc} Select computation method, (a) is recommended. (a) Velocity Method Length Velocity Travel Time Reach Description of Flow (ft.) (£t/sec) (sec.) (3) (4) (3) (4) ►f"0UGHworw 7 to TnvE4 Rr� FGrI Ff T w l;IE�v}� �,��� Z4 a Q r f 3G 9r Z JAL A5 AG�Swa eol , FiRGLDW 1Vf11Y. rlGLAraE Zed ' S%- G-8 ro �MN 4i 7ffAfLdvw o DM II dewojl / Wri-AHO70 flrr GKFIIsl�7� ��]YE,fu/AY 7.7Q ' �rSO /�Ur 0 r. 1/Use Figure 3.1 for overland flow portion of travel time. Totals �aG 7'7 sec. it T = Total Travel Time (sec,) 1. �D G 7i 7 D c 3,600 (sec./hr.) [ 3,600 ] hrs. E (b) Lag-CN Method (1) Unadjusted Lag- (L) Use HL, S, CN, and Figure 3--3. x *(2) Hydraulic Length Modified La& Factor Use % HLM, CN, and Figure 3-4. x *(3) Impervious Area Lag Factor Use % IMP, CN, and Figure 3-5. x (4) Constant (Tc 1.67L) 1.67 (5) Time of Concentration (Tc) hrs. where Tc = (1)x(2)x(3)x(4) a MIN IES PEVCO //77Computations Job: . Location: A101f7-H -1-0-11DOEF-AE! Sheet 2fl of Calculated by: Date: e9 Chocked by: Date: Title: 6-1E 4A.11)I- 1C-L)-r")er Z7OA/ 7 ED L/ z �C 6v (F7) F) ter) 7-- /Z¢ 0--] (j 27M 8010 t IX Vol ONC X), Vanasm/Hangen mulling Engiraers&Planners 60 Elmnqtiarn Parkway.Boston.MA 02135 617f78,1-7000 Computations ufafiOnS Job: d vre s ��V Job No. Location: IV, Ayogyg-2 Sheet _ ZJ of �Z Calculated by: A G L - Date: Checked by: j �- Date: �L �G Title: �R Ad/ -- Cd.vn. I i G UC i Ziy_ I �oTl4e- ' D%Z�Inir 4v T_ — ._ ry.- /o_o-_yE-,`(e _3�jTc2Ni yam_ -�'p/Y vG p2 _IWO7 Ho 4). .TYPE ,:Tl �7, WA; _ I .� CoNv ;e T ' Y�LUES `/N /A,BG� ��'E IN GSM�M _ ro . t ; p, /�r CAC�r,�t� ,QUNO�F DEPTH C�kGIlS� AGTFOR .FiCvM CSM/ E INCH l�4v Re TAoa� �-3 _ = AIIMaeA /W 0 F5 Vanas" Mangen ConsLoting Enginmrs&Planners _._._..,_.... .66 BKrntngham Parkway.Boston.MA 02135 ._..... 6f IM-7000 1 Computations � Job: _ Zk'egS �E!/, Job No. 1177 Location: /Y+ - NbDYEk Sheet f Calculated by: AGG Date: Checked by: 7� L Date: -r Title; _�eAINAGEirL Y515 �u 7yE�-- 4ND. i /-�13 /Do i i - M - to ad .` _I.11 a . i rJ J i .7Z4o Z 7-0 t , 1Z :7 E • 33 ' _ 17. `Z 76 l3 792 3 14, o ¢d I J d - _ 11 s l4 S 07a DJ 11 3 Zoro /Zoa v, 3 Ot S ' Vanaww/Hangers CanmAtin]Engineers&Planners 60 B+rmixpam Parkway,Boston,MA 02135 - -- -- - - 617I783.7000 i I l r� Compula Ions Job: /� 111"45 Div rob No. �/7 7__ Location: 21, AD D y.E 2 Sheet _� of Calculated by: Date: 9A& Checked by: 22 Zf-1 Date: Title: I , 1 5 G/NN /NG. 'r /000 45 _ D, 3 i C T P=CRA/NPA�GL /,�EPrH eI4INF4 c 1- /2.41r/o = P v, 3Z(o = D,o7Z . o, 3z�= DrbSl P� , a7Z P / 0, 051 �P Vanes"MMangen ConsLA;nq Engineers&Planners -— --8@8anmgham NrkVW,BWon,MA 02135 OW763.7000 LIU- Computations Job: /F/ ✓ Job No. 112 7 Location- A/f AAI 0 4 y,R- Sheet 2 of Calculated by: X& C- Date: Checked by: Date: Title: DgAhv,466 AN-4t-Yvs '4c4l rag 6 eo""P'. 7/0 ZA!(F/'p M eil- 7- 9: Ito Y04 ........... . d r- A-6 ea d 1g4"a'q Oq� Ila 1 (9,3. 44C 13e 6 10(11Y6 0 to Ye zo. 36 0 YEAS S 7- 2 9 Ni 5 Vanessa/Hangers Cwwling ENireors&Planners 60 Bvrmgham Parkway,Boston.MA 02$35 617/783-7000 Job: Job No. 7 7Compufations Location: Sheet ZS of Calculated by: Date: 419 8 6 Checked by: L Date: Title: ,,s is T- -- ----- Z5 m L R dr -6 04 vo C'f~2DM ' 6�APN DF PX/p V5 . TIM� ) _ VO/ 4FRE �//r, rz hl,? 2--3 5 5- (Dr -4z 6 Vanamm/Hangen Consutnq Eng.rews&Planners 6O Birmingham Parkway,8osIon.MAOM5 6t7/783.7000 V Computations Job. 1P{y'E2 s ,J E I/ Job No. //7 7 Location: /V AvoOVeR Sheet MO of Calculated by: L C-, Date: Checked by: L Date: 5` / A Title: Av, S1 Fur, Co�v/� i I f -- - Z¢0 /41 T•--..V I I,. - Z O 6 - rr - -— /Ne-/q&S /. Z o Ae,- Fr• - /, Z!c ae— Fr //OcS J ��I 4, 24lo hes Ta z¢v N,es, i Oil F e,49 qe -fir A �Fr Vanasse/Hangen Comullog Engineers d Planners — -60 Bmnngnam Parkway,Boston,MA 02135 s17n937000 I I AF Compufafions Job: lC Ilvu S E f/ Jab No. 17 7 Location: N Sheet of Calculated by: __ 6 G Date: 4 9A Checked by: /% L Date: Title: �2w/Nt?G/� 10,1/AC Y s i.S Fv Tr C G rV O i -4.-- ' -2 a N7 a i _I. ,Ark Z. - _ _Q9 w , - = r D Vanamm/Hangen Consulting Engineers&Planners - 60BmnTngnam Parkway.Boson,MA 02135 6171783-7000 - R OU"T I P40 CIF HYDR OGR AP H . Date 04/08/86 P c:on a F l 1�-- RIVERS 18 Date created 04/08: Description G oo� RdV7 6/N5 ANAL �'s l5 PROPOSED DETENTION BASIN SITE 1 AND SITE 2 f12 `7T"0AAll, RIVERS DEVELOPMENT BERRY ST.: NORTH ANDOVER � j0 ��� 00r4,F7- -T ------SlEES�--------- - -----------------WEIRS------------ - Str Diam Elev Left Length Right Elev Haight Type No. in ft S/S ft S/S ft ft 1 - 10 124.60 1 - HP ----Numhac----------Elemati on----------Slocage----------Quiflaw_---- 1 124.60 0.000 0.00 2 126.00 0.020 2.61 3 128.00 0.360 4.87 4 130.00 1.000 6.25 5 130.50 1.170 6.53 R ca u t i n Sp c�-f-' ",>e d rc)!q r�4a p h 0 1 Description of hYdrograph : Page 1 INFLOW HYDROGRAPH TO DETENTION BASIN 10 YEAR STORM Area 5.04 ac. Rational, 'C' Time of Concent. 18 min. Storm frequencyy Years w 10 HYdrograph # 3 - total outflow hYdrograph Description OUTFLOW HYDROGRAPH 10 YEAR STORM � I Hate 04/08/B6 page 2 Inflow H'graph: INFLOW HYDRaGRAPH TO DETENTION BASIN 10 YEAR STORM Time Inflow Storage Elevation Outflow -hams,a-------------afra-------------ar.-fi----_ ______f�e�;_____ - IZO 0:00.o 0.00 O,00an 124.6o a 0.00 10:40.0 0.48 0.0024 Q 124.77 3 0.12 10:50»0 n.on53 124-97 0.43 11:00.0 0 0.50 0r0057 125r00 0.49 11:10.0 �1 - 0.67 0.0064 V 125.05 0.58 11:210.0 �'S 0.83 0.0075 125.12 W V 0.75 11:30r0 ��! 1.00 �' 0.0085 125.20 0.93 1140,0 2.92 0,0145 125.62 a 2.12 11.50.0 9.67 .c 0.0662 126.27 2.96 12:00.0 15.50 0,1926 127.02 3.85 12:10.0 10.07 0.3105 127.71 4.59 12:20.0 5.37 0.3619 127.95 4.83 12:30.0 3.50 0.3466 127.92 4.80 12.40r0 2.57 0.3231 127.78 4.67 12:50.0 1.93 0.2911 127.59 4.48 13:00.0 1.70 0.2560 127.39 4.26 13:10.0 1.46 0.2205 127.18 4.04 13:20.0 1.31 0»1856 a 4 126.97 3.80 13:30.0 1.20 0.1520 0 126.78 3.58 13:40.0 1.13 0.1204 0 126.59 3.35 13:50.0 1.07 0r0907 w 126,42 3.14 14:00.0 1.00 0.0631 +� ` 126.25 2.94 14:10»0 0.93 0.0372 126.10 2.75 14:20.0 0.87 0.0155 a 125.69 2.20 14:30.0 0.80 0.0071 Q s 125.10 0.69 14:40r0 0.77 0.0077 3 �" 125.14 0.79 14:50.0 0.73 0.0075 tr 125.12 0.75 15:00.0 0.70 0.0073 ; 126.11 0.72 15:10.0 0.68 0.0071 126.10 0.69 15:20.0 0.67 0.0070 125.09 0.67 15:30.0 0.65 0.0069 125.0E 0.66 15:40.0 0.63 0.0068 125.07 0.64 15:50.0 0.62 0.0067 125.07 0.62 16:00.0 0.60 0.0066 125.06 0.61 16:10.0 0.58 0.0064 125.()5 0.59 16:20.0 0.57 0.0063 125.04 0.57 16:30.0 0.55 0.0062 12S.03 0.56 16:40.0 0.53 0.0061 125.03 0.54 16:50.0 0.52 0.0060 125.02 0.53 17:00.0 0.50 0.0059 126.01 0.51 17:10.0 0.48 0.0057 125.00 0.49 17:20.0 0.47 0.0056 124.99 0.48 17:30.0 0.45 0.0055 124.98 0.46 17:40.0 0.43 0.0054 124.98 0.44 17:50.0 0.42 0.0052 124.97 0.43 18:00.0 0.40 0.0061 124.96 0.41 18:10.0 0.39 0.0050 124.95 0.40 18:20.0 0.38 0.0049 124.95 0.39 i INFLOW HYDR©GRAPH TO DETENTION BASIN iQ YEAR STORM 3 OUTFLOW HYDROGRAPH 14 YEAR STORM One horizontal space 25.00 min. One vertial space 0.20 cfs. 34aFi1#iE1F3t•�Eai•�4�fE�{•�f#iF#�E9S•iF3E iF�E•1t•�h��EIF�f•�h3F-ft•�3��Fa4if 3f9k�f*�iE)Eif)kiF3f•3E�E�k�F�f•iEiE#aE•?E�F•1F)FiE•�E3f�F3Eif•�iF�Ei4�f�E�4�i• 3 3 3 3 3 3 3 3 3 3 3 3 3 3 31 31 3i. 1, I� k IT\ *` 3 L *3 a �3 *3 3Z ROU-rzHG OF HYDROGRAPH 2 -3*X- Date 04/08/86 P czbn�d P-l l t-- R I VEER S 1 B Date created 04/08 Description �GoO a �DUT/MGNR� yS/s PROPOSED DETENTION BASIN SITE 1 AND SITE 8 r, RIVERS DEVELOPMENT BERRY ST., NORTH ANDOVER --- ---EIEEE------- ------------------- WEIRS----- ----�---- Str Diam Elev f Left Length Right Elev Height Type No. in ft S/S ft S/S ft ft 1 - 10 184.60 1 - HP __--Num4er----------Elevation----------Storage----------outflow-_-_- 1 184.60 0.000 0.00 8 186.00 0.080 8.61 3 158.00 0.360 4.87 4 130.00 1.000 6.E5 5 130.50 1.170 6.53 R au -t1 c)-f HYd r-c3q r-4ap h 2 Description of hydrograph Page 1 INFLOW HYDROGRAPH TO DETENTION BASIN 100 YEAR STORM Area 1.00 ac. Rational. 'G' = .#* Time of Ooncent. = 1 min. Storm frequency, years 100 Hydrograph # 4 - total outflow hydrograph Description OUTFLOW HYDROCRAPH 100 YEAR STORM i I 33 Date 04/08/86 Page P. Inflow H'graph: INFLOW HYRROGRAPH TO DETENTION BASF 100 YEAR STORM Time Inflow Storage Elevation Outflow !k _hr!Min.�----------__CfS------------dC-fl-_-_- --------feet_....----_ 0:00.0 0.00 0.0000 3 124.60 0.00 10.40a0 0.77 0.00.36 124.85 3 3 0.24 10:50.0 0.78 0.0075 4 125.12 s 0.75 11:00,0 a 0.80 0.0077 3 126.14 ^ 0.79 11.10,0 y! 1«07 1L 0..0086 v 125.20 1L 0.94 11.20,0 �� 1.33 0»0102 125.31 V 1.23 11:30,0 1.60 , 0.0115 o; 126.41 �1 N 1.50 11:40.0 4 a 6B '��01 0.0261 ac W 126.04 Q i 2.67 11:50.a 15,50 0.1235 V 126.61 3.38 12:00.0 24.80 0.3448 127.91 4.79 12:10a0 16.07 0.5560 128.61 5.41 12:20.0 8.67 0.6806 128.91 5.59 12:.30.0 5.60 0.6716 128.97 5.63 12:40.0 4.17 0.6615 128.94 5.61 12:50.0 3.17 0.6351 12B.86 5.56 13:00.0 2.70 0.5993 128.75 5.51 13:10.0 2.37 0.5589 128.62 5.42 13:20.0 2.12 0.6160 128.49 5.31 13:30.0 1.90 0.4714 128.35 6.19 13:40.0 1.77 0.4260 12B.21 5.07 13:50.0 1.63 0.3805 128.06 4.94 14:00.0 1.50 0.3354 127.86 4.74 14:10.0 1.43 0.2921 127.60 4.48 14:20.0 1.37 0.2513 127.36 4.23 14:30.0 1.30 0.2131 127.14 3.99 14:40.0 1.23 0.1773 126.93 3.75 14:50.0 1.17 0.1438 126.73 3.,fir_' 15:00.0 1.10 0.1124 126.54 3.30 15:10.0 1.07 0.0833 126.37 3.09 15:20.0 1.03 0.0666 126.22 2.89 15:30.0 1.00 0.0320 126.07 2.71 15:40.0 0.97 0.0135 125.55 1.94 15:50.0 0.93 0.0078 126.14 0.80 16:00.0 0.90 0.0085 126.20 0.93 16:10.0 0.88 0.0083 125.18 0.89 16:20.0 0.87 0.0082 125.13 0.87 16:30.0 0.85 0.0081 125.17 O.B6 16:40.0 0.83 0.0080 125.16 0.84 16:50.0 0.82 0.0079 125.15 0.02 17:00.0 0.80 0.0078 125.15 0.81 17:10.0 0.78 0.0077 125.14 0.79 17:20.0 0.77 0.0076 125.13 0.77 17:30.0 0.75 0.0075 125.13 0.76 17:40.0 0.73 0.0074 125.12 0.74 17:50.0 0.72 0.0073 125.11 0.72 18:00.0 0.70 0.0072 125.10 0.71 18:10.0 0.68 0.0071 125.10 0.69 18:20.0 0.67 0.0070 125.09 0.67 1 3� i Date 04/OB/86 page 3 Inflow H'graph: INFLOW HYDROGRARH TO DETENTION BASIN 100 YEAR STORM Time Inflow Storage Elevation Outflow -hamin-------------afs------------ac-ft--------------.feed,----------cfz-iluil 18:30.0 0.65 0.0069 125.08 0.66 1B:40.0 0.63 0.0068 125.07 0.64 18:50.0 0.62 0.0067 125.07 0.62 19:00.0 0.60 0.0066 125.06 0.61 19:10.0 0.58 0.0064 125.05 0.59 19:20.0 0.57 0.0063 125.04 0.57 19:30.0 0.55 0.0062 128.03 0.56 19:40.0 0.53 0.0061 126.03 0.54 19:50.0 0.52 0.0060 125.02 0.83 20:00.0 0.50 0.0069 125.01 0.51 20:10.0 0.46 0.0057 125.00 0.49 20:20.0 0.46 0.0056 124.99 0.47 20:30.0 0.44 0.0064 124.98 0.46 20:40.0 0.42 0.0053 124.97 0.43 20:50.0 0.40 0.0052 124.96 0.41 21:00.0 0.38 0.0050 124.95 0.39 21:10.0 0.36 0.0048 124.94 0.38 21:20.0 0.34 0.0047 124.93 0.36 21:30.0 0.33 0.0045 124.92 0.34 21:40.0 0.31 0.0044 124.91 0.32 21:50.0 0.29 0.0042 124.89 0.30 22:00.0 0.27 0.0040 124.88 0.28 22:10.0 0.25 0.0039 124.87 0.26 22:20.0 0.23 0.0037 124.86 0.24 22:30.0 0.21 0.0035 124.84 0.22 22:40.0 0.19 0.0033 124.83 0.20 22:50.0 0.17 0.0031 124.82 0.18 23:00.0 0.15 0.0029 124.80 0.17 23:10.0 0.13 0.0027 124.79 0.15 23:20.0 0.11 0.0025 124.77 0.13 23:30.0 0.09 0.0023 124.76 0.11 23:40.0 0.07 0.0020 124.74 0.09 23:50.0 0.05 0.0018 124.72 0.07 24:00.0 0.03 0.0015 124.70 0.06 24:10.0 0.02 0.0012 124.68 0.04 24:20.0 0.00 0.0009 124.66 0.02 24:30.0 0.00 0.0007 124.65 0.02 24:40.0 0.00 0.0006 124.64 0.01 24:50.0 0.00 0.0004 124.63 0.01 28:00.0 0.00 0.0003 124.62 0.00 25:10.0 0.00 0.0001 124.61 0.00 25:20.0 0.00 0.0000 124.60 0.00 3 8 INFLOW HYDROGRAPH TO DETENTION BASIN 100 YEAR STORM 4 OUTFLOW HYDROGRAPH 100 YEAR STORM One horizontal space = 25.00 min. One vertial space — 0.30 cfs. j ***********a�**��•x•�•�•�c•�•��•�*���a���a��ae•��a�a�a�����•��•������a����•x•����a�a�a�•a��a�•�a��ta�a��a��� 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 42 4 4 4 4 4� 4� b � � O *4 U * *4 *4 *4 4 Table 5-3.--Tabular discharges for type-II storm distribution (csm/in)--Continued Sheet 2 of 5 TINX OF COHCENMIATION - 0.1 hours grwph n ours Tt 11.0 11.5 11.7 11.8 31.9 12.0 2.1. 12.2 12.3 12.4 12.5 12.6 12.1 12.8 2 .0 13.2 13.2 14,0 14.5 15.0 16.o 16,0 .0 0 21 43 141 324 586 658 535 3T2 251 184 148 124 102 86 TT 71 61 51 41 34 3o 24 A 14 0.25 17 31 43 67 134 2T9 461 559 53o 428 318 234 1T9 143 116 97 76 59 45 3T 32 25 18 15 0.50 13 22 29 34 42 65 124 238 3T8 479 499 44T 363 261 216 168 310 T4 51 41 34 26 19 15 0.75 10 1T 21 24 2T 32 41 63 114 203 316 413 45T 443 389 319 198 105 6o 45 37 28 20 15 1.00 8 13 16 18 20 23 26 31 4o 6o 1o3 176 269 358 415 426 344 A2 77 51 41 30 20 16 1.50 5 8 10 11 12 13 15 16 18 21 24 28 36 52 62 132 272 382 192 81 52 34 22 1T 2.00 3 5 6 7 8 8 9 10 11 12 14 15 17 19 21 25 44 151 351 198 85 41 24 18 2.5o 1 3 4 4 5 5 6 6 7 8 8 9 10 11 12 14 1T 28 162 328 200 54 27 19 3.00 0 1 2 2 3 ' 3 3 4 4 5 5 6 6 7 8 9 10 14 33 169 309 94 30 24 3.50 0 0 1 1 1 1 2 2 2 3 3 3 4 4 5 5 6 9 14 38 172 294 35 22 4.00 0 0 0 0 0 0 1 1 1 1 1 - 2 2 2 3 3 4 5 9 15 43 281 42 24 TDIE OF CONCENTRATION - 0.4 hours Hydrogrcph Time in Hours Tt 11.0 11.5 11.7 11.8 11.9 12.0 12.1 12.2 12.3 12.4 12.5 12.6 12. 12.0 12.2 13.0 13.2 13.5 I4.0 14.5 15.0 16.o 18.0 20.0 0 20 39 103 224 419 558 5T5 451 331 247 190 155 127 105 90 80 66 53 42 35 30 24 18 14 0.25 15 28 38 54 98 196 343 467 5o8 464 380 295 228 180 145 119 87 64 4T 38 32 26 19 15 0.50 12 20 26 30 37 53 92 172 286 395 462 453 402 332' 266 211 13T 84 54 42 35 27 19 15 0.75 10 16 19 22 25 29 36 51 85 150 242 338 407 429 4o6 356 241' 128 65 47 38 29 20 16 1.00 8 12 15 17 19 21 24 28 34 49 T8 132 208 292 362 403 368 220 88 55 42 30 21 16 1.50 5 8 9 10 11 12 14 15 17 19 22 25 31 43 65 1o2 220 365 224 93 56 35 22 17 2.00 3 5 16 6 7 8 9 9 10 31 13 14 16 17 20 23 37 119 338 225 99 43 24 18 2.50 1 3 3 4 4 5 5 6 6 7 8 9 10 11 12 13 16 25 132 317 225 58 27 19 3.00 0 1 2 2 2 3 3 3 4 4 5 5 6 T T 8 10 13 28 140 300 107 31 21 3.50 0 0 1 1 1 1 1 2 2 2 3 3 3 4 4 5 6 8 13 32 146 286 36 22 4.00 0 0 0 0 0 0 0 1 1 1 1 1 2 2 2 3 3 5 8 14 36 2T5 44 24 { W '►1MEs IN HOURS 14 Is 16 17 M 19 24 21 22 23 24 .. .....i.. ::: :�: � :I _ N Type I — Hax4aii, coastal side of Sierra Nevada in southern California, and the interior regions of Alaska. Type IA — Storm distribution represents the coastal side of u the Sierra Nevada and the Cascade Mountains in Oregon, _Z as Washington, and northern California, and the coastal - - ? -- '"_".: "'•' "'" regions of Alaska. Users requiring peak rates of dis— PC charge for these areas can obtain the graphs from the West Regional Technical Service Center, SCS, Portland# .j._......_.__. .__........:.:_. .:. _:... n> W Jos Oreg. i t s -j 4(3 Type II - Remaining United States, Puerto Rico, and Virgin Islands. _._ --- V a ..' _.. : _ _._. . . .._ . fl.3 ........... -' 1 _' ' .. _._.. .. .. �..:. - _...._.._.... ... :yam -.._ ".-.-._.. i-....__... � - ._.._......_ ........-_"... • 5 6 T B 9 10 11 12 13 Ii is p 1 2 3 f#Me IN HOURS Figure 1. -Tw6NTY—FauR HOUR j2RINFAI.L- souR4c6; 5C5 --TP— 149 APztl_) 1113 (se-S) ..A McTllst> FOR LSI-34 fT1l & val UMe AND RATE or Rukia:F Ix 5MA1-i- i waTrRSw*DS " v.� 3� 21.58 Table 21.1.5.--Rainfall and time ratios for determining To when the storm duration is greater than 6 hours . Rain.. Time Rain- Time Rain- Time Rain- Time fall ratio Fall ratio fall ratio fall ratio ratio ratio ratio ratio 0 1.000 0.070 0.852 o a4o 0.746 0.210 0.684 .002 .995 .072 .848 .142 .74,4 212 .682 .004 .990 .074 .844 .144 .742 .214 .680 .006 .985 .076 .841 .146 .74o .216 .679 .008 .981 .078 .837 .148 .739 .218 .677 .010 .976 .080 :833 .150 .737 .220 .675 .012 .971 .o82 .830 .152 .735 .222 .673 .014 .967 .o84 .827 .154 .733 .224 .672 .o16 .962 .o86 .824 .156 .732 .226 .67o .018 .957 .o88 .821 .158 .730 .228 .668 .020 .952 .090 .818 .160 .728 .230 .667 .022 .948 .092 .815 .162 .726 .232 .666 .024 .943 .094 .812 .164 .724. .234 .666 .026 .938 .096 .809 .166 .723 .236 .665 .028 .933 .098 .806 .168 .721 .238 .665 .030 .929 .100 .803 .170 .719 .24o .664 .032 .924 .102 .800 .172 .717 .034 .919 .io4 .797 •174 .716 (Change in .036 .915 .lob .794 .176 .714 tabulation .038 .911 .1o8 .791 .178 .712 increment.) x4o .9o8 .110 .788 .18o .710 .250 .662 x42 .9c)4 .112 .785 .182 .709 .300 .651 .04+ .900 .114 .782 .184 .707 .350 .640 .046 .896 .l16 .779 .186 .705 .400 .628 x48 .893 .118 .776 .188 .703 .45o .617 .050 .889 .120 .773 .1.90 .702 .500 .6o6 .052 .885 .1.22 .770 .192 .700 .550 .595 .054 .882 .124 .767 .194 .698 .600 .583 .056 .878 .126 .764 .196 .696 .65o .542 .058 .874 .128 .761 .198 .695 .zoo .500 .06o .870 .130 .758 .200 .693 •750 .447 .062 .867 .132 .755 .202 .691 .800 .386 .o64 .863 .134 .751 .2.o4 .689 .850 .310 .066 .859 .136 .749 .2o6 .687 .900 .220 .068 .856 .138 .747 .208 .686 .950 .116 /f7 1r) CHART RAINFAXiL �^ITF`f 5IT`f CuRvrs .V- 04 ,..,.,. r i l i I , r s 1�•'`� •I. ..f r i r - .r.l, I s r _ 79 .�..�._��_ ._. .._.L—;—�_i�i..r r♦ IY—�iy+�+• • __�.....r �—�,— � � ate• ._�•I —.{��i— -— •'� •may— --- E _ fit -.n 7 .�:.Y•ram _ -71 �E- - --_ �•=�i•_—E=E�_ ==z-- — ��= :;=_-_ �-___-. _ -��.�.'—ram'= 97- -= w _. -- -art _i.�- - � — -�-�- — �' -' "—�j�}=,_...—�- :•i,_._..._ ao �:0—H!#:d in I i Overland Travel Distance In Feet rn O y -n a Ao c Q a O a � � ra O o o n z a � SIOPe in Percent m _ 15%Slope � O 0 o �� F m ID � 30� za. n p O p p D e+ Ski Slppe \� O Q O d O o �O Sp �O ky ?o TO Overland Time at Travel In Minutes O ...................... Sao-=u - 01 S t 9 s s f z 07 S•L• 9- S" b- f- Z" /-o So- so-so- bo- fo- OF OZ 0I 8 L 9 t b F z a/��(� D'/ S"0 9"0 S-O 01"0 f"O Z"O 1'0 80' 90' &Io'z U S39 - D - 39&VH9S/0 V /V vc ac s� LO Q ote, Zoo' S 07 ..q Joe 9 6. w� T oa 4 ' sc°. °' lit goo o. goo ` ro 07 a Ea• Z y o � � 1 g od , tip 0 N1d U �tiwd�� Oz 01 o� �o� did �1 �a1� j °a i-41 ILL 3 GF 06 oz II _ ' e a 40 �o A i45 20 40 8 ° 30 �i OWIk PIPE ' 0 'o z0 0Pril OF o ap 10 20 HQgMAl �� s D - `a 8 � � 6 h YFlogY 4- 8oa— T 3 6 S •15 --- -� Q.� R. TIC AL a cL d oa a m -----CURVE L� O �2 4 , 3 0 05 • p `S �+ 1 Q O 3:4. DL r Q C / S. 5� 1 /-O 2' 00b`� s .o DOG o .. 1 B CM :OQ4 o I8 n .7- AO 009 / •o po IV A -6 C .9 ,0013 c �� S L 0 .B 01 op ` 4 B s -"Doc, 0003 ,,of A/ 2 3 4 5 G .T 9 /• Z -3 4 /0 P4 0 DISCHARGE- 0 - CFS n-.015 0.3 0.4 0.5 0.5 0-8 1-O n=.o 2 2 3 4 5 6 T 8 /0 20 30 40 SO 60 BO fT1 or O.I 2 3 4 S .6 TB I.O 2 3 4 5 6 7 B 10 20 30 40 n=.024