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HomeMy WebLinkAbout8 Study Session PPT Storm Drain t��G�� Si0 ^ 1L4 �,l131 11 bPm 2/13/2017 1 • +Storm brain Stud_ Session City Council:Meeting 2/443/17 =_ 1-n. i �''•N-•` : i-fir... .'' - � a i 4 - + j a Presentation Overview 1. City of Seal Beach Storm Drain System > Definitions > SD System overview > SD Projects Completed to Date(since 2007) 2. Proposed SD Projects Defined in the SD Master Plan 3. CIP Budget Workshop (March 2016)/ CIP Project Priority 4. Project Financing Options 1. 2/13/2017 - - Introduction ()What is a Master Plan of Drainage? Guide for establishing logical and cost effective funding levels for future drainage improvements to protect public safety and property. Storm Drain System Elements • Hydrology and Hydraulics Analysis ( Master Plan) ry • Storm Water Runoff Conveyance lip -i ,, Open Channels rz Streets and Gutters, .�. , . ' Pipes / Box Culverts :; _Ji� "'^,t',4,. , Catch Basin / Grates a' • Storm Water Pump Stations arc s 2 2/13/2017 Improvement Types • Pump Station Improvements • Storm Drain Pipelines • Open Channels • Capacity Improvements • Catch Basins 6 fig Definition • What is a 100 year flood? • Flood that has a 1% chance of happening independently each year. • Analogy • You are given a loo cards numbered consecutively from 1 - too with card t representing a 100 year flood. Each year you pick at random one of the cards from a full deck. 3 2/13/2017 Flood Protection Goals • Major Goal Keep water at least 1' below finished floor elevations for a too year flood. • Other Goals ▪ Arterials • to year flood - keep one lane of traffic open ▪ Local Streets • 10 year flood- maintain water below curb County of Orange Standard Flood Protection Goals Street' Medium'Area`-1 { 100,Ye-6r Flood 'Top of Curb= \ II—.Level. = I�221..i p.12' I , '12 i. / Pad Elev.—; N 10-51ear,Flood'Level'ill. FinishediFloor ofdrowest Habitable— 25-Year;Sump Conditions' Room for Residences andOther.� Non-Flood Proof.Structuresc Arterial•Highway 4 2/13/2017 County of Orange Standard Flood Protection Goals Street' 100„Yea[Flood - - Level; I 1 . . :I 1.2''1 it Pad Elev A • . Fmist\ed Fla&of Lowest Habitable'' :10-Year Flood-Level>=� Room for Residences andOt_her 25-Year Sump Cobdl6onsJ, Non=Flood.Pioof;Stnictores Local'Street . For aae al highway and Local street, depth.times velocity'caanot exceed six.; 1 _4Ot'vl i\/ ,/ w n pU.S.NAVAL © .. r ✓' S'l WEAPONS 1 ®„�A.,o„,_ ' T:`c `] STATION 1 0...... L ,?J p . 4.-.7..v.„-: , I ___t S..o_..._ S. Z ' WILDLIFE . ti ...REFUGE / N A %q % 5 • 2/13/2017 ..- 77 494,2--/C.' c-+ ' �` a �*:: z�. 1 t't q/ �� IBC w ! f ,f i•• .0 `1 .-�. .; 4,1 lt1Y"V` ?--3t,'' —max.. – _ 2 •••• ! ":;:.31.1.r. ,ASS -S., `c N + /1 ra jgy-<b . � �6 /, . ;"k 1 ,/M r ► by ?i t � "'y i —t-- \am I .r h . * + -, d ti s - 44,1 ..-mo ®_ M G....` ` = E,..www y -4s, : .a,,'" — =S;'. � " ... 54113•04071 =1/2.......,A 1.9.nd m"fi-.Sw smo.. -G.M1Swn4m w , CO• I ® iir V, / Ali / — wad j t-, • i Yr -- 'Y` y 1 1 ,;,�/�� t Est". 4 'C x or!, �� '�''-,_.ks ,k_ r 1 a ' Id1 Dn'' / / I. r '� jr¢r fir.`' YS"3 it.t +.� , mr� ham- ii 6 2/13/2017 _ ,.......,—.o.,.. 7 ! I. 41S5i mi.wn� F h -C,+5F 2_. I= _ 1, ��, , me ��e we 7s:.;[ . E., ... Felt SIIIIMIONNEMENIMMIEMEMIIMMEW : �---.___ ELF Seal Beach Storm.Drain to-Year.Project History 'Fr Pro'ect Cost . Corsair,Storm Drain Construction 8570,860.00 06/07 Seal Beach Blvd?Storm;Drain Improvements $189,040.00 07/08 Lampson Avenue.Storm Drain Outlet $204,147.00 08/09 West End Pump Station $2,992,792.00 09/10 Candleberry'Avenue:Storm Drain S1,950,373.00 io/u Electric Avenue Storm Drain $1,923,106.00 Navy Drainage Easements $192,593.71 12/13 Environmental Cleanup Program $14,228.26 13/14 Bridgeport Storm Drain Improvements $1,731,712.32 i4/i5 Ironwood Property Purchase Storm Drain $769,900.00 15/16 VFD Purchase/Install $80,000.00 16/17 VFD&Sump Pump Purchase/Install $193,637.00 TOTAL $10,82,389.29 7 • 2/13/2017 ' r 15ii1 Recent Projects-College Park East - -J . . - _ ��- - - .- ./—� s • a i Recent Projects—Old Town/Hill "---`-."' "---- --— -- V N.,,,,•-- , . - ° 'tom ,r 4% ‘.." ‘..• `_ "' as n ' Y 1 1 4 f ..6.,.s 0,• ,/77-NN , 8 n cn •--I O N m ti N n ' ,r" r iid Id f �: J.- ' 4. ,em . - j ""�• '� ,* °4::. i0111111 [1144" it j •7 kc r •a-4 v n ij .1 :wn a y 7' ��a s ;,$ / r �o- f „[� $ �l YF �' it• � rg , .v./%� . t, r' f' I l'" i 'n. p i• IN.} �� ,, ,N. / N, � ..+♦ i i II I o, 2/13/2017 Mar a -k Lagana :1/_ I• - nya Prwmr i /_, - Mann Nary : I - M%pr% I:r / /i 1 -- EasLr9 GY 51arm Oran lRaxln Petrol I i!! Canty Fads, I I.uars. //i •t` ce U,Bourmry ♦ A.' 1� '*IV tTh : i r' C-, i• S ri, I :1 `A 3 1 I ce '„ 7 i i.rl g I . i r : 1 , .i I II� k y Y 41. ♦ q Jware at as d� Storm Drain Improvement Costs - 2008 Master Plan of Drainage Old Tower/Southwest CPE/Northeast CPW/Northwest Total m I` 513 804,916 52,962 773 t $ o $16!767,689. Mum Priorediity $23,491,315 $16,713543 $4o,2o4,818 LOW Priority $7,77.9;345 I$18 452;729 180 $28;428 ,254 Total $45,075,576 $38,129,005 52,196,180 $85,400,761 10 2/13/2017 Storm Drain Improvement Costs - 2017 Cost Estimates Old Town/Southwest •CPE/Northeast CPW/Northwest Total R011 H40.4 ty . " $17,148,096 53,673,839 a y i $20,791,935, Medium, o ity $29,,129,231 $20,724,744 849;853,975 Prior Low 8,9,646;388 .g1220681•304 $2;723 2631 $$35',251;035, Priori ' Total $55,893,715 $47,279,967 $2,723,263 $105,896,945 22' • • i• . 5 • • CIP Budget Workshop March 2016 . �y • 11 2/13/2017 ------------------------- --- --- t Project Priority •IRedi= High Priority (o - 2 Years) •[Ye11ow,'=.Medium Priority (3.- 6 Years) • ;Green= Low Priority (7 - 10 Years) CIP Budget Summary - High FIi9 ! !tY� Funding Source aF nu ded'tUnfunded-a General, [$S 55!,0001[$1111, 60.7 State Gas Tax [$ A5(ool($ Measure M2 [$ 30O 000][$ - Sewer Capital [$ ,807000 Water Capital ElE33}255!r001[$ 1r1, 550Y000] Traffic Impact Fees [$.' .1 VIM[$ SBTV3 [$ 225{000][$ - Grants [$ ; 74 000 [$ ;;,, Sub-Total L,$ 5s673r000 $17211550T0611 Total $18,223,000 12 4 2/13/2017 CIP Budget Summary - Medium Funding Source Medium Priority Funded Unfunded General ;$ '1 042;200 ,$ 17,431,230 State Gas Tax $ 225,000 :$ 970,000 , Measure M2 .$ 275;000 `$ 550,000 ' Sewer Capital '$ 490,000 $ 300,000 Water Capital $ 840000 '$ 1,500,000 Sub-Total '$ 4872,200 $ 20,751,230 Total $23,623,430 OP Budget. Summary Low Funding Source Low Priority Funded Unfunded General $' 5,000,000; V20,775;730, State Gas Tax $ 100;000 $ Measure M2 $ - $ 18,000,000 Sewer Capital $ 30,-000, $ 20;000: Water Capital. $' 500,000: $ 5;1'00,000. Community Facility Districts $' 200,000 $ 50,000: Sub-Total $ 515'30;000 $143,945,730` Total $149775,730 13 '4 2/13/2017 CIP Budget Summary Funding Source Funded Unfunded Total Ending.Fund Balance General $ 6,697,200 $139,206,960 $145904160 '$ '8,018,251 State Gas Tax, $ 600,000, $ 970,000 $ 1,570000 $ 134,635 Measure M2 $ 575,000 $ 18,550,000 ;$ 19,125,000 $ 38;860 Sewer Capital $ 600,000. $ _ 320,000 $ 920,000 '..$ "16!250,333 Water Capital $ 4,596000.° $ 18,150;000 $ 27745,000 $ 15677,058 Traffic Impact Fees $ -140,000 $ - $ 140;000 $ 299,179 SBTV3 $ 225,000 $ - $ 225;000 $ 426,792 Grants $ 743;000 $ - $ 743,000 $ - Community Facility Districts $ 200,000 $ 50,000 $ 25Q000 _$ (6,668) Total $14,375,200. $177,246,960 '$191,622;160 $ 40,838;440 + Unassigned Ending Fund Balance *Debt Service Financing Options • Rate Increases • Grants • Bonds/Loans 14