Bloedel Donovan Park Stormwater & Shoreline Improvements Public Meeting Gina Gobo Austin, PE May 28, 2014 360-778-7000 1
Meeting Overview Introductions Meeting purpose Background Funding & Schedule Existing Studies Existing Condition Photos Design Next Steps Overview photo circa 1960 s 2
Why are we here? Present the design Talk about how it came to be Answer questions Meeting Purpose Bloedel April 2013 SCP August 24, 2004 3
Planning Master Plan circa 1980 s Amendment June 2012 1. stormwater improvements 2. beach improvements 3. pervious pathway 4. non-motorized boathouse 5. enhanced planting 6. native planting mitigation 7. loop trail March 29, 2012 public meeting Background 4
Electric Avenue Background 5
QJ ~ ::::::s c QJ > <( Lake Whatcom u " +-' u QJ ~- ~----- future stormwater infiltration improvements r-, I I future -,..:-..:...4::::;---;79!9, I hand launch I ' Beach Area boat dock future stormwater infiltration improvements _j~~-11111111111~~ /:'), existing - -='---(t:r.;rl 1 sand volley ball p.: f... va"' r-; ~ 1'-\ - 1 existing pathways -..±.~,;:; ''~ ~;; ~ ;;:====:,;._--=:~;:ti;;a[s"---:-~m existing --=++..L~?~~ft;----;:~~'ttM~ playground existing public -~~~~~~7J:~L--;~~~~P-~W.~R'r restroom future boathouse._-::-;:--,.r,,... existing jl community building ' existing ;i.+.;.-+...;i.~'----t:;~ park building existing---- rain garden ~4' l~1:r---- future partial replacement of non-native plants, creation of view corridors ~.~~-~~----=::----future pathway ~~~~~~r.:r:~=----'t.lm:- future stormwater ~ infiltration improvements, typical ~~~~~~...l.=----~lm'"-- existing pavilion patio ~~~;,...-;;-:--~~---- existing pavilion building ~ft'-- future beach enhancement -------hand launch boat doc,/ ", alternate location /,/ boat dock 1 v boat dock e-"7'9z:...-:--- boat ramp 2 --~----boat ramp 3._.~~--- existing rain garden exist i ng -~:-- park sign Background 6
111ti111111111111 ~\.J --...,.,... future native mitigation/planting area relocate steam engine ---~ offsite future boathouse ----- location alternate (approx.) Play Fields 38.70 Lake Whatcom --a- llgihpot..c POWER POLE ElECTIIJCAl cornao. SOX OVCllHEAOPOWERU~E TELEPHONE SOOTH 0 0 QC " CB CONCRITT PADS w/ PICNIC TABLES SANITARY SE WER MANHOLE CATCH BASI ~ QUICK COUPLER S'GN WATE"VALvt BltASS PLUG TBM GAS METER CXJSTING Wl>UWAYS M D TRAILS FUTURE PLANTI'G ENHMCEMENT l823:ej FUTURC SOfT SHOflCLINC C:::::J EXISTING WET\AAD Background 7
What are we doing? Stormwater Improvements Reduce nutrient & bacteria loading Shoreline Improvements Mitigate erosion & reduce maintenance Background Why now? Council Priority Funding Opportunity Bloedel circa 1980 s 8
Who is paying for this? PW Ecology Grant Match $128,000 PW ALEA Grant Match $150,000 Ecology Stormwater Grant $384,000 Aquatic Land Enhancement Account $150,000 Funding and Schedule Low Lake Levels Bloedel November 1, 2012 9
When are we doing this? Design - Now Permit - Now Hearing July 2014 Bid - July 2014 Construction Start Sept 2, 2014 Construction Complete ~ Nov 2014 Funding and Schedule High Lake Levels Bloedel May 15, 2014 10
Existing Conditions Photos Overview 11
July 8, 2012 12
October 10, 2012 13
March 16, 2012 14
October 10, 2012 15
October 10, 2012 16
October 31, 2011 17
October 31, 2011 18
October 31, 2011 19
June 4, 2012 20
June 4, 2012 21
May 15, 2014 22
October 31, 2011 23
November 1, 2012 24
April 2013 25
Existing Studies 1. Jongejan Gerrard Associates, Inc. Bloedel/Donovan Park Renovation Plan. circa 1980. 2. Ayers Professional Group. Bloedel Donovan Park Topographic Survey. November 19, 1998. 3. Larry Steele & Associates. Record of Survey. November 18, 2008. 4. GeoEngineers. Lake Whatcom Watershed Infiltration Study. May 13, 2010. 5. Northwest Ecological Services. Bloedel Donovan Wetland Determination. March 22, 2011. 6. COB. Bloedel Donovan Park Maintenance & Management Plan. March 2012. 7. Washington State University. Turf Letter. March 22, 2012. 8. COB Parks. Bloedel Master Plan Amendment. July 2, 2012. 9. Element Solutions. Critical Areas Report for Proposed Rowing Float & Boat Storage Building. Aug 27, 2012. 10. COB Public Works. Initial Water Quality Sampling Report. May to October 2013 11. GeoEngineers. Geotechnical and Hydro-geologic Memo. July 3, 2013. 12. COB Public Works. Predesign Report. December 10, 2013. Geotechnical Work April 16, 2013 26
Design Pre-Design Report Drainage Basins Preferred Design Cross Sections Preliminary Design Bloedel May 15, 2014 27
Predesign Report 7 design options Criteria for decision Ecology requirements High treatment value Low maintenance Least impact to public 28
u.i > < 0 ~ 0 ~ w 1-1 -LAKE WHATCOM- ll * ~ * B-1. r HA.I II D It 0. ' \. ~ HA1+ Hand /Wger by GooE...J,; by 1911 rs it! ~ gwel c::::::::::::j - A?! ~= B D fl Basl'IC i!t B 0 \\ :1 a 0.. * - la e:i llle!efs It D D " It D 0 Noles I Existing Conditions - Basin p 1. Tho bcatoons al..._.. 119approunlll. 2. Thisctswingls lor ll'lormaflon-. his ID_in Vowinglein.>"'5d,SQISS8dinan- GeoE~. loc. CIMOl _... h occuncy 8"'..,,,... al...,.. lies. The mas:e< le is soeo by GeoEngorwn. he. a!ld.. U"""'aslhoo'lioall1ICXlldallM-. 60 0 r----ljiiiii --FEET 60 I 30".4 DBSION Bloedel Donovan Park!=:Inn- ' lrofil.d Figure 1 t--~~~~- ---.,,--~~~~ GEOENGINl!l!RS Design 29
Design Concept MFD w/sand Design 30
ELECTRIC AVENUE Lake Whatcom EXISTING VOLLEY BALL 31
EXISTING PAVILION 32
l'l (I) < 0 32 MIN 6" EXISTING MEDIA FILTER DRAIN NEW TURF GRAVEL GROUND -1.5' - -------110'----+-------+--+---- >----->-~~~~---~~~--~-------~~~~~~---~~~~---~-------320 OHWM/FLOOD -313' 0 ~ 31 ~-------~ SAND -+-------+---------------r"'----+---...~~3 1 0 MIXTURE EXISTING STEM WALL (TO BE REMOVED) 30 t----t-~~---t~~~+--~~-+-~~--+-~~--+-~~-----t~~~+--~~-+-~~-+-300 o+oo 1+00 2+ 00 2+ 25 SECTION A-A' 33
l'l ({) < 0,.-+ 0 :::J 330- EXISTING GROUND MEDIA FILTER DRAIN MIN6" ==-=i--~~~~~~~1-320 - - OHWM/FLOOD -313' WINTER WSE 309.9' 310-1--~~~~~~~~~~~~~--+~~~~---==\=-~~---""--~~~~1-310 EXISTING BULKHEAD (TO REMAIN) 30 0-----~~--~~--~~--~~--~~-----;~~~--~~--~~~-300 o+oo 1 + oo 2+ 00 SECTION B-B' 00 c i""'himm --FE"" 34
l'l (1) < 0 0 :J 300-1 o+oo EXISTING GROUND MIN 6" NEW SLOPE VARIES 4:1 TO10:1 MEDIA FILTER DRAIN OHWM/FLOOD -313' ~----+----~-J----1- WINTER WSE 309.9' ~::~D~~===~~===:_±-3 1 0 EXISTING BULKHEAD (TO BE REMOVED) 1 +oo SECTION C-C' I 300 2+ 00 35
ITl (!) < 0 0 ::J 33 32 3 1 EXISTING - GROUND - SLOPE VARIES r- 6:1 TO10:1 _/ SAND NEW SLOPE VARIES 4:1 TO 8:1 MIN6" MEDIA FILTER DRAIN EXISTING BULKHEAD (TO BE REMOVED) OHWM/FLOOD -313' WINTER WSE 309.9' -310 30 rt~~~r----~~-r-~~---t~~~-+-~~--+~~~+----~~---+-~~ J_-300 o+oo 1 +'oo 2+ 00 SECTION D-D' 36
Next Steps Complete design Apply for permits City storm/grading Ecology storm Advertise for bid 37
Bloedel Donovan Park Stormwater and Shoreline Improvements Presented by: Gina Gobo Austin, PE Project Engineer, Parks Design and Development Division (360) 778 7000 gaustin@cob.org 38
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