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Home My Public Portal AboutEdenfield Neighborhood Meeting - April 14, 2016 (PDF)Edenfield Avenue Green Street Demonstration Project Neighborhood Meeting J CRWA We're all about this town" Edenfield Avenue Green Street Demonstration Project Neighborhood Meeting - Road Reconstruction Elements - Grant Background - What is a Green Street? - Local Examples - Proposed Concept - Timeline and Next Steps - Questions and Feedback J CRWA Typical Road Reconstruction Elements - Road reclamation and paving - Drainage repairs - Granite curbing - Concrete sidewalks - Handicap ramps - Grass borders and street trees PROP. SIDEWALK 4" LOAM & SEED. (TYP.) '`.. 1:19 EXIST- GROUND 1.5%0 (TYP.) MAX. 4" CEM. CONC. WALK SURFACE—' 8" GRAVEL BORROW, TYPE B WHERE REQUIRED/DIRECTED BY DPW SUPERINTENDENT (TYP.) - J CRWA EXIST. ROADWAY PROP. ROADWAY VARIES MATCH EXIST. 6" REVEAL 2.0X (T)P.) 2-0% (ra ) FULL DEPTH PAVEMENT RECLAMATION GRAN. CURB — TYPE VA-4 4" LOAM & SEED NOT TO SCALE PROP. SIDEWALK 5 (MIN.) TIN.) 1:10 1 MAX. �1.S,S� TYP 4" LOAM do SEED ( TYP. ) 4" OEM. CONC WALK SURFACE GROUND - 4" LOAM & SEED GRAN. CURB — TYPE VA-4 *CONSTRUCTION TOLERANCE ±0.5% Ty Watertown D artrfi tof fON . oars ., this town" Complete Streets Approach - Road diets - Accessible ramps - Pavement markings - Reduced crosswalk lengths - Curbing - "Bump outs" - Reduced corner radii - Reclaimed green space - Street trees J CRWA We're all about this town" Stormwater and Water Quality Typical stormwater pollutants - Oils and Gasoline -Trash - Leaves and Mulch - Sediment - Bacteria - Nutrients - Heavy Metals 444 Fish Kill in the Lower Charles River Basin 44 HAI,"i� Eliot JFK SQUARE �m6Na st P'?4 Pout Bridge PalkNorth Revere Science Paint Par o Weeks Museum PorW WA N SQQUAREUAKE ' Bridge S ow AndersonasPa°k Galen St. t� - Herter Bridge CENTRAL Bridge e �e PD Part SQUARE N.eraAfSe^aisc os v�k`'D ao wemnve >�a qMas_RTedddSoEx bFeireslda! Western Ave. 'Longfellow Ledeman Waterto Bridge T Park Dam River St. l ea"<es aiveR a°pD N. ik Bridgeton St, ArsenaBridge St. LLSTON Bridge CAMBRIDGE aµKp,V I -Hatch Magazine rnE Shelf NaNAM7GM ROAD Dah, M155 v�KF BeOCh ESptaa Field Emt 7 B BRIGHTON SSp4gQYd D O Stretch of river with higher density of Fish kill Harvard g �, s BU Bridge Bridge BOSTON commonwealm nve... Each icon represents 4-6 carp or large -mouth bass `a carcasses reported in the Lower Charles in August J Watertown m-ntof fe'reoS//lfc . oarsCRWA6aut ...this town" Grant Background Why a Grant for Edenfield Ave.? - Deteriorated condition of road surface and recently completed infrastructure improvements -Current road reconstruction activities well suited to incorporation of green infrastructure (GI) elements - Increase public awareness and interest in the issues related to stormwater pollution and the potential benefits that GI can provide - Increase departmental capacity to address current and future stormwater needs using low cost, proven technologies - Develop a standard process for incorporating GI into road reconstruction projects TY NWe're town �.rn-,rOf . icCRWA about ...this town" Grant Background - Awarded by Massachusetts Department of Environmental Protection under 319 Non -Point Source Pollution Grant Program - CRWA partnering with the DPW to design and implement a green street demonstration project at Edenfield Avenue - Public outreach efforts will be closely coordinated with the Stormwater Advisory Committee - Green Infrastructure design by Horsley Witten Group and overall project engineering by WorldTech Engineering CRWA WatertownTY Dwa v � rof fe'reos//lic . oarsb ut . , this town" What is Green Infrastructure (GI)? - Mimics natural processes - Treats stormwater as close to source as possible - Maximizes infiltration to reduce surface runoff - Often employ soils and vegetation CRWA WatertownTY Dwar,,�tof fe'reos//lic . oarsb ut . , this town" What is a Green Street A street designed to: • be a visible component of a system of "green infrastructure" that is incorporated into the aesthetics of the community • integrate a system of stormwater management within its right of way • reduce the amount of water that is piped directly to streams and rivers • make the best use of the street tree canopy for stormwater interception as well as temperature mitigation and air quality improvement 0-0 CRWA N town TY �.rn-,rof icabout ... this town" Green Street Benefits • Water quality improvements and volume reductions in stormwater being discharged into receiving bodies of water • Key linking component in community efforts to develop local green infrastructure networks • Improves local air quality by providing interception of airborne particulates and shade for cooling • Reduces heat island effect • Increases property values • Calms traffic and improves pedestrian experience along the street right of way CRWA WatertownTY Dwa v � rof fe'reos//lic . oarsb ut . , this town" Green Street: Local Examples �AWAWAVAFAV "AV AVAW`AMrW I I ^. w 11 . CRWA Chelsea Western Ave., Cambridge Foster St., Cambridge WatertownTY Dwa v � r& fe'reos//li;�this b ut CRWA Proposed Concept LEGEND — — --- EXISTING EDGE OF ROAD PROPOSED HOT MIX ASPHALT ROADWAY PROPOSED CEMENT CONCRETE SIDEWALK/DRIVEWAY PROPOSED GRASS AREA PROPOSED CEMENT CONCRETE WHEELCHAIR RAMP PROPOSED BIORETENTION AREA PROPOSED ENHANCED TREE FILTER TRENCH Watertown Ty DqPxrn-,r0f P[►blic . oars We're all about this town" 5.41.1 7'_0" SIDEWALK GRASS OR GREEN INFRASTRUCTURE AREA Proposed Concept TOWN RIGHT-OF-WAY 32'-0"+ EXISTING ROADWAY 26'-0" PROPOSED ROADWAY 7'_0" � GRASS OR SIDEWALK GREEN INFRASTRUCTURE AREA EXISTING PAVEMENT ELEVATION EXIST. GROUND NEW PAVEMENT f CEMENT CONCRETE NEW GRANITE CURBING NEW GRANITECLIRBING SIDEWALK LOAM & SEED, LOAM & SEED, BIORETENTION AREA, OR BIORETENTION AREA, OR ENHANCED FILTER TREE TRENCH TYPICAL SECTION ENHANCED TREE FILTER TRENCH EDENFIELD AVENUE NOT TO SCALE CRWA r EXIST. G ROUN ❑ GEM ENT CONCRETE SIDEWALK WatertownTy Dwari,�tof fe'reoig//lic . oars6aut ., this town" 1 � , Proposed Gravel C RWA Tree Trench Schematic rroposeo — Perforated Pipe �,urrace Runoff Proposed Diversion Weir �n�a�u iy �a Dui Basin Existing Pipe (for overflows) IF Watertown DeFarirr�er,raf Public arkc We're all a6auf ... this town" Bioswale Schematic J CRWA We're all about this town" rI Lill lYYll �LF.Nllllit"SiiT'" ,.. _ _ _ ■u alllli ilk' _ :. dank—,. �f0� �aaautiYuuiiii ��i1 - - � � �aaalugrgll/,/ Wilk A'•uuunuu ♦ h S llrfC� ..�wr.�yi�f�`S�,'� �iV ^�� `i — _ram �, ...al� /A - a. / to _ r Aww l _ - Proposed Locations of Green Infrastructure Practices CRWA PROPOSED BIORETENTION AREA PROPOSED ENHANCED TREE FILTER TRENCH Watertown DqPxrn-,r0f P[►blic . oars We're all about this town" Proposed Locations of Green Infrastructure Practices _Is 6■�■■ r � E ■�■ T, W LU41V �s1 #60 Cn lu a m • -� ��r� PROPOSED BIORETENTION AREA C RWA PROPOSED ENHANCED TREE FILTER TRENCH Watertown TY DqPxrn-,r0f P[►blic . oars We're all about this town" Proposed locations of Green Infrastructure Practices P' ■■■ f■1'_ i d y •� SQ us f- �.J 1 A" warerrawn.rn,ro • —� ��r� PROPOSED BIORETENTION AREA P[►bli� Q�� CRWA PROPOSED ENHANCED TREE FILTER TRENCH We're a//abouf this town!" Proposed locations of Green Infrastructure Practices *1;e4 jrLD XV I IL • ---MOO, �rri PROPOSE❑ BIORETENTION AREA C RWA PROPOSED ENHANCED TREE FILTER TRENCH We're all about •" W-Wm%�... this town" Project Timeline and Next Steps • Design to be refined based on feedback tonight • Pre- construction meeting to be schedule in late summer/ early fall • Anticipated fall construction • Project presentation and updates available at http://www.watertowndpw.org/Pages/Stormwater`/` mt%20M ISC%201 nfo/Green%201 of rastructu re%20G ra nts CRWA WatertownTY Dwa v � rof fe'reos#lic . oarsb ut . , this town" Questions and Feedback CRWA WatertownTY Dwam�rof fe'reos//lic . oarsb ut . , this town"