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Tassafaronga Village:
2009.11.11 GREENBUILD INTERNATIONAL CONFERENCE + EXPO Tassafaronga Village: A LEED Neighborhood Development Case Study David Baker, FAIA, LEED AP Daniel Simons, AIA, LEED AP David Baker + Partners, Architects www.dbarchitect.com wr r ee tcr wbb hcbwe ctw wr bb1 a wbwo t1 cmewr r a o u ubceocs ee ot r 2 b oob tcr cwr oV m b r b DEVELOPMENT TEAM t wo o 2 bch te cr embo r oe cr ot oct ee tcr wbb SITE Tassafaronga Village located in Oakland, California SITE site Tassafaronga Village SITE industrial Tassafaronga Village site residential the site lies on the industrial/residential edge SITE Site Tassafaronga Village residential to the east SITE Tassafaronga Village industrial to the west SITE EXISTING SITE CONDITIONS Site Tassafaronga Village abandoned pasta factory + decaying public housing school + library industrial uses abandoned pasta factory unused railroad siding playing fields existing public housing community center Tassafaronga Village previous uses of 7.91 acre site p/ 7 oco b 0 bbwr mr woe / u7p t e / uOr o t e A+uOmr woe h t t ADMh tdwr eh e ee tcr wbb kMW mr wo h toa r o mwb wr db r cmewr mo ctwo1 P , ee tcr wbb 60-‐unit apartment building (OHA) Tassafaronga Village kMW mr wo h toa r o mwb wr P ee tcr wbb , 60-‐unit apartment building (OHA) Tassafaronga Village 60-‐unit apartment building (OHA) Tassafaronga Village ee tcr wbb / / oc0 r cme e wr pD mwb wr e db r cmewr P , ee mo ctwo1 tcr wbb Townhouses (OHA) Tassafaronga Village Townhouses (OHA) Tassafaronga Village Townhouses (OHA) Tassafaronga Village Townhouses (OHA) Tassafaronga Village Townhouses (OHA) Tassafaronga Village 8 ee tcr wbb 8 r c2 o h eo oct1 ffAMW mr wo h toa r o mwb wr ffpVAMMei m t cco bwr w ff ee tc. oc o tcr wbb eo 1 r c2 o ee tcr h eo wbb oct1 Renovated pasta factory Tassafaronga Village Renovated pasta factory Tassafaronga Village W ee tcr wbb W AAoc0 r cme e wr 7 mwb wr e wo o ct ma r wo1 eo 1 ee tcr wbb Townhouses (Habitat for Humanity) Tassafaronga Village Townhouses (Habitat for Humanity) Tassafaronga Village Townhouses (Habitat for Humanity) Tassafaronga Village LEED-‐ND Certified Gold Plan Tassafaronga Village LEED for Homes Platinum registered LEED Neighborhood Development • Encourages neighborhood development projects that protect and enhance the overall health, natural environment, and quality of life of communities • Promotes the location and design of neighborhoods that reduce auto dependence by providing jobs and services that are accessible by foot, bicycle, or public transit Tassafaronga Village ee tcr wbb LEED for Homes LEED for Homes is a rating system that promotes the design and construction of high-‐performance green homes. Green homes use less energy, water and natural resources, create less waste, and are more durable and comfortable for occupants. • Tassafaronga Village Tassafaronga LEED ND Gold Certified Site Plan ! ! ! ! ! attempted possible Smart Location + Linkages 21 30 Neighborhood Pattern + Design 22 39 Green Construction + Technology 17 31 Innovation + Design Process 6 6 Platinum Gold Silver Certified 80-‐106 points 60-‐76 points 50-‐59 points 40-‐49 points TOTAL Tassafaronga Village 66 106 Tassafaronga ! LEED for ! Homes Registered Platinum ! ! ! ! ! ! Platinum Gold Silver Certified 80 points 65 points 50 points 35 points ! ! ! attempted possible Innovation + Design Process Location + Linkages Sustainable Sites Water Efficiency Energy + Atmosphere Material + Resources Indoor Environmental Quality Awareness + Education 9 11 10 10 19 22 10 15 16.5 38 12 16 12 21 3 3 TOTAL 91.5 136 Tassafaronga Village ee tcr ct ca e weo t b owr ma cb t co o t ff a bb r w oe ff c ow cr wr br ffr t e mwb wr r 2 bch n wr 1 ffr t e i mwha r o n wr 1 ff ee tcr wbb LOCATION ff ff ee tcr wo cw a oo te c by m moc h r r ff cbmowcr y tc2w cmewr bce ocuuu t r ehcto owcr c e t2w e ccbe tdeVbw t tweV o u ff cbmowcr y tca co 0 bd wbwo1 r t cr r oo r w ct cc wbb SSL Credit 3: Infill Site + Previously Developed (6 points) LOCATION site Tassafaronga Village SSL Credit 4: Reduced Automobile Dependence (5 points) Tassafaronga Village LOCATION LOCATION site Tassafaronga Village BART 1/2 mile 10-‐minute walk-‐shed LOCATION site Tassafaronga Village BRT 1/2 mile 10-‐minute walk-‐shed SSL Credit 6: Housing + Jobs Proximity (3 points) Tassafaronga Village LOCATION SSL Credit 3: Preferred Location (8 points) NPD Credit 8: Street Network (2 points) Tassafaronga Village LOCATION SSL Credit 7: School Proximity (1 point) Tassafaronga Village LOCATION NPD Credit 12: Access to Public Spaces NPD Credit 13: Access to Active Public Spaces Tassafaronga Village LOCATION NPD Credit 12: Access to Public Spaces NPD Credit 13: Access to Active Public Spaces Tassafaronga Village LOCATION NPD Credit 2: Diversity of Uses Tassafaronga Village LOCATION NPD Credit 7: Walkable Streets LOCATION if we school + library industrial uses abandoned pasta factory unused railroad siding playing fields existing public housing community center Tassafaronga Village previous uses of 7.91 acre site DENSITY ff ct 2w t r ohb ff e e t ecmt e a ct ff ff oc bw2 n wr ob1 d e hm bw ot r ewo2w b mhhctoe bc b mewr ee e How we did it: •Smaller unit size •Reduced parking footprint (by including street parking) •Not prioritizing solar orientation ee tcr wbb DENSITY SSL Credit 3: 20-‐29 Centerline Miles per Mile2 in a One-‐Mile Radius (2 points) NPD Credit 8: Greater than 30 centerline miles per Mile2 on site (density higher than neighborhood) 8 12 20 Street grid density across a region in centerline miles: the more urban, the higher the density Tassafaronga Village 48 DENSITY industrial Tassafaronga Village site residential NPD Credit 1: Compact Development (AKA Density) LEED for Homes SS1.2 SS6 LEED for HOMES Unit size reduction (10 points!) Tassafaronga Village DENSITY NPD Credit 3: Diversity of Housing Types (3 points) DENSITY 4 level 1 Tassafaronga Village 4-‐bedroom townhouse NPD Credit 3: Diversity of Housing Types (3 points) level 2 Tassafaronga Village DENSITY level 3 4-‐bedroom townhouse NPD Credit 3: Diversity of Housing Types (3 points) DENSITY studio unit Tassafaronga Village in pasta factory building NPD Credit 4: Affordable Rental Housing (2 + 1 ID) DENSITY 67.52% of the rental units are priced for below 50% AMI income (below $30K) 32.48% of the rental units are priced for 50% to 80% AMI ($30K-‐$48K) NPD Credit 5: Affordable For-‐Sale Housing (2 + 1 ID) Habitat for Humanity Townhouses 11 will be priced for 60% of AMI ($46K-‐$54K) 6 will be priced for 80% of AMI ($62K-‐$72K) 5 will be priced for 100% of AMI ($77K-‐$90K) Tassafaronga Village NPD Credit 6: Reduced Parking Footprint (2 points) IDP (1 point) Tassafaronga Village DENSITY DENSITY private streets with required parking on the street Tassafaronga Village private streets mimic public streets ENERGY + RESOURCE EFFICIENCY ff ff ff ee tcr wbb wr wa wT r 2wtcr a r o bwa h oc 9wa wT o r t 1 n wr 1 c o t oeocta 0 o t cr ewo cr eotm owcr mwb wr e PASTA FACTORY: BEFORE ee tcr wbb REUSED 93% OF BUILDING • Structural steel • Floor framing + decking • Most exterior walls Tassafaronga Village EFFICIENCY What we couldn’t use on site we salvaged Added new floor and some infill walls Tassafaronga Village EFFICIENCY ND standard is 50% (1 point; doesn’t include demolition waste) But recycled asphalt and concrete contributed to GCT Credit 17: Recycled Content for Infrastructure Homes 88% (3 points) Demolition waste was an ID point Tassafaronga Village EFFICIENCY Ground concrete on site Tassafaronga Village EFFICIENCY Sorted waste during construction Tassafaronga Village EFFICIENCY WHERE DID WE END UP? EFFICIENCY 94% of all demolition + construction waste was recycled Tassafaronga Village CALIFORNIA TITLE 24 EFFICIENCY California’s mandate for energy efficiency (Gets harder every 3 years) USGBC recognizes Title 24 and allows it as energy model in place of EnergyStar Since 1975, the amount of electricity per person has grown by almost 50 percent in the rest of the country... California’s numbers have stayed nearly level. Tassafaronga Village TYPICAL TITLE 24 BREAKDOWN IN KBTU Space heating Space cooling Fans Domestic hot water Pumps Tassafaronga Village standard design proposed 7.70 4.22 1.10 18.01 0.06 4.38 1.80 0.32 14.96 0.06 EFFICIENCY proposed with solar hot water 4.38 1.80 0.32 10.67 0.06 EFFICIENCY AC 47.5% kMW mr wo h toa r o mwb wr y C/ uO5 r c2 o h eo c0 r cme e P oct1y ,y DM5 below Title 24! COW OM5 20 c0 r cme e P wo o,y DOW CM5 15 10 5 0 Standard Design + Solar DWH Apartment Building kBtu/sf-yr ee tcr wbb HOW WE DID IT • Good windows: U .35 • Good insulation: R-‐21 walls; R-‐38 roof • High-‐efficiency shared domestic hot water and heating hot water systems • Solar hot water (see GCT 13) Tassafaronga Village EFFICIENCY v EFFICIENCY ee wr emb owcr wr 0 bbe r tcc P cmb r Uo mt cmoA9k 0 bbeV t me 9weowr A9pMtcc t a wr , ff bma wr ma 0 wr c0 wr d hwr 0 wo a ct wr meotwb t o t mo w r Uoh t cta e 0 bb ff ee tcr wbb t wopDy r Wwo cb t co o ty c ee tcr wbb r 0 b r t 1 cmt e hcwr o EFFICIENCY PV ND GCT Credit 12 On-‐Site Energy Generation Homes EA10 EFFICIENCY Townhouses (Habitat): 2.3 KW system per unit (22 units) 50.6 KW Renovated pasta factory: 36 KW Apartment building: 93 KW Total 179.6 KW! Tassafaronga Village t woDy ct ee tcr m wbb ot e EFFICIENCY STORM WATER MANAGEMENT EFFICIENCY • Goal is to slow down flow and treat water prior to entering city system • Soil conditions on site not conducive to infiltration Tassafaronga Village EFFICIENCY PLANTED BIO-‐SWALE o o o o SECTION Homes SS 2.2-2.5 & ID point ND ID point Maintenance not typically part of LEED but should be. Images from website? STREET CURB TREES INLET RIVER ROCK SIDEWALK PLAN VIEW Tassafaronga Village PLANTS DRAIN INLET TO CITY STORM SYSTEM FLOW-‐THROUGH CURBS AT STREET Tassafaronga Village EFFICIENCY PERMEABLE GUTTER where there is no room for swale Tassafaronga Village EFFICIENCY EFFICIENCY TREATMENT PLANTERS PLANTS DOWNSPOUT OVERFLOW DRAIN INLET RIVER ROCK INFILTRATION PLANTER MIX PERFORATED DRAIN PIPE WASHED DRAIN ROCK CONNECTION TO CITY STORM SYSTEM Tassafaronga Village TREATMENT PLANTERS Tassafaronga Village EFFICIENCY GREEN ROOF Tassafaronga Village EFFICIENCY PLANTED PODIUM Tassafaronga Village EFFICIENCY PLANTED PODIUM Tassafaronga Village EFFICIENCY COST ff cr eotm owcr ceoyGOAu+a ff ceoh t ei m t ee tcr ccoyGADA ff ceo ct wbco tc t a yG+VMMM ff ceo ct ct ca e Phtc2w t 8 yGkAVCMM wbb e, Tassafaronga Village Tassafaronga Village Tassafaronga Village Tassafaronga Village Download a PDF of this presentation at: www.dbarchitect.com/Tassafaronga Tassafaronga Village