green roof at the university of california, davis - teaching green

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Green Roof at the University of California, Davis - Teaching Green

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  • Teaching Green

  • Environmental, Economical, and Educational Benefits: Proposal for a Green Roof at the University of California, Davis

    University of California, DavisDepartment of Environmental Sciences

    Landscape Architecture ProgramSenior Project: June 2007

    Yanet Martinez

    Teaching Green

  • Environmental, Economical, and Educational Benefits:Proposal for a Green Roof at the University of California, Davis

    A Senior Project presented to the faculty of the program of

    Landscape Architecture at the University of California, Davis

    in partial fulfillment of the requirements for the degree of

    Bachelors of Science of Landscape Architecture.

    Presented by

    Yanet Martinez

    at

    University of California, Davis

    on

    the Fiftheenth day of June, 2007

    Acceptance and Approval by:

    Professor Mark Francis, Senior Project Advisor

    Assistant Professor Stephen Wheeler, Committee Member

    Adjunct Assistant Professor Jeff Loux, Committee Member

    Steve McNeil, Committee Member

    Teaching Green

  • The overall purpose of this paper is to provide the students,

    faculty, and administration at the University of California, Da-vis with a general understanding of green roofs, as well as the

    potential benefits that a green roof would have on the campus.

    As new information arises and people become more conscious

    of global environmental issues, the need to design with envi-ronmentally friendly techniques has increased along with the de-mand for knowledgeable individuals capable of executing them.

    To fulfill this demand, it is crucial to educate individuals proper-ly on these issues and their potential solutions. Although green

    roofs alone are not enough to solve all environmental issues, re-cent research and improved technology have demonstrated the

    importance and positive impact that they have, especially in ur-banized regions where solutions for reducing pollution and heat

    islands, as well as expanding the use of vegetation are of prior-ity. Implementing a green roof at the University of California,

    Davis, would provide not only the environmental benefits that

    green roofs typically provide, but also a site for students and

    faculty to learn and conduct research. Through the information

    obtained from text and highly valuable web sources, as well as

    through the overview of campuses that have already applied a

    similar idea and through information gathered from case studies

    of successful green roofs, a general understanding of this long-

    standing yet recently improved technology has been provided.

    I formulated a conceptual design for Hunt Hall, the proposed

    site for this project, fromthe information collected. The de-sign is based on the integration of intensive and extensive roof

    gardens as well as the more recently developing semi-intensive

    roof garden. Suggested layering techniques to satisfy the roof

    of Hunt Hall will be reviewed as well as a suggested plant list

    that would serve as most functional for this region.

    Abstract

  • ii

    Yanet Martinez, a 2007 Landscape Architecture graduating

    senior from the University of California, Davis, was born and

    raised in southern California in the city of Carson, where she

    attended school up through high school, while also helping her

    parents part-time in the family business, a wholesale nursery.

    Prior to transferring to the University of California, Davis,

    Yanet, attended El Camino College in Torrance where she

    completed her general requirements and was a writer for The

    Union, campus newspaper, and an active officer/member for

    the Rotoract Club. While still in Southern California, her interest

    in landscape architecture grew as she became more involved in

    the family business and dealt with different professionals in the

    related field.

    Biographical Sketch

  • iii

    Since her arrival at the UC Davis campus in 2004, Yanet was

    intrigued by the community, diversity and environment of the

    campus, which led to her membership to Kappa Kappa Gamma

    where she participated in philanthropic and community events.

    In early 2005, Yanet was admitted to the Landscape Architecture

    Program. That same year, she traveled to Japan, where she

    participated in a study abroad program offered by the UC Davis

    landscape architecture program. There she traveled to Osaka,

    Kyoto, and Nara, among other places, as she studied the history,

    tradition, and techniques of Japanese gardens. Upon her return,

    Yanet remained an active student of the landscape architecture

    program and also participated in ASLA functions.

    In the summer of 2006, she began an internship with the

    County of Sacramento Department of Regional Parks, where

    she assisted in various projects. She continued to work until

    she once again departed Davis for a study abroad landscape

    architecture program led by California State Polytechnic

    University, Pomona in Italy. During her studies in Italy she

    traveled to cities like Rome, Florence, Arezzo, and Venice where

    she studied architecture, gardens, and history.

    Upon her return to Davis, Yanet continued her internship with

    the County of Sacramento Department of Regional Parks, as

    she completed her final courses. After graduation, Yanet will be

    traveling to South America to see more of the world. Ultimately

    Yanet will work to build a professional career in the field of

    landscape architecture.

  • iv

    To my loving family that just never stop giving of themselves in

    countless ways, both direct and indirect.

    A mi familia quierida que nunca para de dar de ellos mismos en

    maneras innumerables, ambos directo e indirecto.

    Dad.Mom.Nin.Gordo.Johanna.Jordan.

    I luv u much!

    Dedications

  • vI would like to express sincere thanks to the entire faculty,

    staff, and students of the Landscape Architecture program

    for teaching me all that I know and helping me to become the

    individual that I am.

    Mark Francis, for the many conversations that helped clarify

    my thinking upon deciding for a topic, thanks.

    Stephen Wheeler, Jeff Loux, Jim Harding, Steve McNeil,

    your collaboration to this project meant a great deal to me.

    Celine Livengood and Guy Kolling thanks for your support.

    To all the fantabulous LDA class of 2007 who made my

    time at Davis as memorable as I couldve wished, thanks!

    Mooney, Micah, Eddie, and Jaimeyou all are wonderful

    friends. Thanks for all your help!

    To my dearest friends that helped me through my journey and

    kept me sane through the senior project process,

    Tereza and Justin, thanks, luv u!

    Acknowledgements

  • vi

    Abstract ............................................................................................ii

    Biographical Sketch .......................................................................iv

    Dedications .....................................................................................iv

    Acknowledgements ........................................................................v

    List of Illustrations & Photographs ..........................................vii

    Introduction ....................................................................................1

    What is a Green Roof? ..................................................................4

    History of Green Roofs ................................................................6

    Green Roof Layers ......................................................................11

    Intensive Green Roofs .................................................................15

    Extensive Green Roofs ................................................................18

    Semi-Intensive Green Roofs .......................................................21

    Benefits of Green Roofs .............................................................24

    Disadvantages of Green Roofs ..................................................31

    Universities and Green Roofs ....................................................32

    Case Study: Yerba Buena Gardens ............................................38

    Case Study: Union Square ...........................................................43

    Case Study: YMCA ......................................................................48

    Hunt Hall Site Analysis ................................................................53

    Designing a Green Roof .............................................................58

    Hunt Hall Conceptual Design ....................................................62

    Plant List ........................................................................................65

    Bibliography/References .............................................................67

    Table of Contents

  • vii

    1.1. Green Roof ...............................................................................1 1.2. Installation of green roof at UC of Florida .......................2 1.3. Hunt Hall ..................................................................................3

    2.1. Depiction of the Hanging Gardens of Babylonia ..............72.2. Roof garden at Palazzo Piccolomini ..................................