Planning & Design Meetings Landscape Subcommittee Meeting #3 12/3/2009 - PresentationAgenda:•Landscape Master Plan Discussion•Tree Inventory StatusS•Master Plan Mitigation Strategy•Group 1 Projects•New GymnasiumNew Gymnasium•New Classroom Building A•New Classroom Building B•Next Steps•Public CommentsMaster Plan ProcessGunn High School – Landscape Strategy
Master Plan Goals:•Campus Identity / Mission Statement•“Legibilize” the CampusPedestrian / Bike / Vehicular Circulation•Pedestrian / Bike / Vehicular Circulation•Environment that promotes Learning/Synergy•Sustainability•Sustainability•Quality of Life•Positive Culture•Outdoor Gathering Spaces•Academic & Social Skills•SafetyMaster Plan ProcessGunn High School – Landscape Strategy
Pbli D ti ti DiPublic Destination DiagramGunn High School – Landscape StrategyMaster Plan – Public Destinations
Bike Circulation DiagramGunn High School – Landscape StrategyMaster Plan – Bike Circulation
Student Circulation DiagramGunn High School – Landscape StrategyMaster Plan – Student Circulation
Landscape Character DiagramGunn High School – Landscape StrategyMaster Plan – Landscape Character
Entry Character•Native•Tech Sustainible•Traditional CollegiateGunn High School – Landscape StrategyLandscape Character – Entry
Native CharacterGunn High School – Landscape StrategyEntry – Native Character
Tech/Sustainable CharacterGunn High School – Landscape StrategyEntry – Tech/Sustainable Character
Traditional CharacterGunn High School – Landscape StrategyEntry – Traditional Character
Arrival Zone•Way finding•Drop-off•Waiting areasg•Special site featuresGunn High School – Landscape StrategyLandscape Character –Arrival
Quad•Gathering•Social Hub•Eating•CirculationGunn High School – Landscape StrategyLandscape Character – Quad
Courtyard•Small Gathering Areas•Small Gathering Areas•Quiet Study Areas•Thematic (Science, Drama, Art)Gunn High School – Landscape StrategyLandscape Character – Courtyard
Parking Lot• Tree Canopy for Shade/Heat Gain• Low Water Use• Disease Resistant• Small Leaves to avoid blocking storm drains•Growth Rate / CarbonGrowth Rate / Carbon Dioxide Absorbency• Bioswales for Stormwater TreatmentGunn High School – Landscape StrategyLandscape Character – Parking Area
Perimeter Landscape Character• Evergreen Screen• Native / Mediterranean PlantMaterialLWt/LMit•Low Water / Low Maintenance• Entry Celebration• Campus IdentityGunn High School – Landscape StrategyLandscape Character – Perimeter
Spine Character•Orienting, Welcoming•Columnar Trees•Well Lit•WayfindingGunn High School – Landscape StrategyLandscape Character – Pedestrian Spines
Riparian CorridorGunn High School – Landscape StrategyLandscape Character – Pedestrian Spines
Gunn High School – Landscape StrategyTree Inventory
123Healthy mature Coast Live Oak, canopy at 0’Healthy midsize Coast Live OakHealthy small Coast Live Oakleast 40’45Coast Live Oak, Less than 10’ tallSignificant DiebackGunn High School – Landscape StrategyTree Evaluation: quercus Agrifolia
Tree Mitigation Criteria:•A – 3 to 1(avoid removal whenever possible)•B – 1 to 1•C – no mitigation requiredProposed Mitigation StrategyGunn High School – Landscape Strategy
AABHealthy mature Coast Live Oak, canopy at 0’Healthy midsize Coast Live OakHealthy small Coast Live Oakleast 40’BCCoast Live Oak, Less than 10’ tallSignificant DiebackGunn High School – Landscape StrategyTree Evaluation: quercus Agrifolia
AABHealthy mature Valley Oak canopy at least 40’Healthy midsize Valley OakHealthy young Valley OakOak, canopy at least 40Valley OakBCValley Oak less than 10’ tall, diebackValley Oak less than 4’ tall, stuntedGunn High School – Landscape StrategyTree Evaluation: Quercus lobata
AABHealthy mature Healthy midsize Redwoods at least 25’ tallHealthy small Redwoods, at least 10’tallARedwoods, at least 50’ tallRedwoods, at least 25’ tall10 tallCCSmall, stunted growthDead or in declineGunn High School – Landscape StrategyTree Evaluation: Sequoia sempervirens
Gunn High School – Landscape StrategyTree Study: New Gymnasium
Gunn High School – Landscape StrategyTree Study: Classroom Building A
Gunn High School – Landscape StrategyTree Study: New Classroom Building B
Gunn High School – Landscape StrategyMaster Plan: Next Steps & Comments