Planning & Design Meetings 11/10/2009 - PresentationOverview of Master Plan Process:•December 1st& 2nd–Community Workshops•December 8th–Group 2 Project Schematic Design Presentation to the Board•December 15th –Group 2 Schematic Design Approval•January –Concept DesignMaster Plan ProcessPalo Alto High School – Landscape Strategy
Palo Alto High School – Landscape StrategyTree Inventory
Palo Alto High School – Landscape StrategyTree Evaluation: quercus Agrifolia12345Healthy mature oak, canopy at least 40’Healthy midsize oakHealthy small oak, may need pruningMay be crowded by surrounding trees, some foliage diebackNo foliage, dead branches
Palo Alto High School – Landscape StrategyTree Evaluation: Platanus acerifolia12345Healthy mature Sycamore, canopy at least 40’Healthy midsize SycamoresHealthy small Sycamore, may need pruningSignificant diebackDead or in severe decline
Palo Alto High School – Landscape StrategyTree Evaluation: Sequoia sempervirens12345Healthy mature Redwoods, at least 50’ tallHealthy midsize Redwoods, at least 25’ tallHealthy small Redwoods, at least 10’ tallModerate to severe diebackDead or in decline
Tree Mitigation Criteria:•A – 3 to 1(avoid removal whenever possible)•B – 1 to 1•C – no mitigation requiredProposed Mitigation StrategyPalo Alto High School – Landscape Strategy
Palo Alto High School – Landscape StrategyTree Value: quercus AgrifoliaAABBCHealthy mature oak, canopy at least 40’Healthy midsize oakHealthy young oakCrowded by surrounding trees, some foliage diebackNo foliage, dead branches
Palo Alto High School – Landscape StrategyTree Evaluation: Platanus acerifoliaAABCCHealthy mature Sycamore, canopy at least 40’Healthy midsize SycamoresHealthy young Sycamore, needs some pruningDead branchingDead
Palo Alto High School – Landscape StrategyTree Evaluation: Sequoia sempervirensABBCCHealthy mature Redwoods, canopy at least 50’ tallHealthy midsize Redwoods, at least 25’ tallHealthy young Redwoods, at least 10’ tallFoliage dieback & dead branchingDead
Palo Alto High School – Landscape StrategyEl Camino Field•Trees Removed:A Trees –8B Trees –9•Required Tree Replacement: 33•Proposed New Trees: 15•Additional Trees to be planted: 18Proposed Plan:•Olea europea – 4•Quercus agrifolia – 8•Quercus lobata – 1EL CAMINO REAL
Palo Alto High School – Landscape Strategy•Trees to be Removed:A Trees –2B Trees –13•Required Tree Replacement: 19Group 2 Project - Media Arts & Classrooms
Palo Alto High School – Landscape StrategyGroup 2 Project – Ball Fields•Trees to be Removed:A Trees –1B Trees –15•Required Tree Replacement: 18•Proposed New Trees: 41•Trees to Bank: 23Proposed Plan:•Cercis canadensis – 5•Platanus acerifolia - 27•Quercus agrifolia – 9
Palo Alto High School – Landscape StrategyLandscape Character Diagram